Merge pull request #1648 from swaywm/swaybar-layers

Port swaybar to layer shell

common/ipc-client.c

@@ -1,4 +1,4 @@
-#define _POSIX_C_SOURCE 2
+#define _POSIX_C_SOURCE 200809L
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
@@ -14,13 +14,31 @@ static const char ipc_magic[] = {'i', '3', '-', 'i', 'p', 'c'};
 static const size_t ipc_header_size = sizeof(ipc_magic)+8;
 
 char *get_socketpath(void) {
-	FILE *fp = popen("sway --get-socketpath", "r");
-	if (!fp) {
-		return NULL;
+	const char *swaysock = getenv("SWAYSOCK");
+	if (swaysock) {
+		return strdup(swaysock);
 	}
-	char *line = read_line(fp);
-	pclose(fp);
-	return line;
+	FILE *fp = popen("sway --get-socketpath 2>/dev/null", "r");
+	if (fp) {
+		char *line = read_line(fp);
+		pclose(fp);
+		if (line && *line) {
+			return line;
+		}
+	}
+	const char *i3sock = getenv("I3SOCK");
+	if (i3sock) {
+		return strdup(i3sock);
+	}
+	fp = popen("i3 --get-socketpath 2>/dev/null", "r");
+	if (fp) {
+		char *line = read_line(fp);
+		pclose(fp);
+		if (line && *line) {
+			return line;
+		}
+	}
+	return NULL;
 }
 
 int ipc_open_socket(const char *socket_path) {

common/meson.build

@@ -1,5 +1,7 @@
 deps = [
 	cairo,
+	pango,
+	pangocairo,
 	wlroots
 ]
 
@@ -14,6 +16,7 @@ lib_sway_common = static_library(
 		'ipc-client.c',
 		'log.c',
 		'list.c',
+		'pango.c',
 		'readline.c',
 		'stringop.c',
 		'util.c'

common/pango.c

@@ -0,0 +1,65 @@
+#include <cairo/cairo.h>
+#include <pango/pangocairo.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+PangoLayout *get_pango_layout(cairo_t *cairo, const char *font,
+		const char *text, int32_t scale, bool markup) {
+	PangoLayout *layout = pango_cairo_create_layout(cairo);
+	PangoAttrList *attrs;
+	if (markup) {
+		char *buf;
+		pango_parse_markup(text, -1, 0, &attrs, &buf, NULL, NULL);
+		pango_layout_set_markup(layout, buf, -1);
+		free(buf);
+	} else {
+		attrs = pango_attr_list_new();
+		pango_layout_set_text(layout, text, -1);
+	}
+	pango_attr_list_insert(attrs, pango_attr_scale_new(scale));
+	PangoFontDescription *desc = pango_font_description_from_string(font);
+	pango_layout_set_font_description(layout, desc);
+	pango_layout_set_single_paragraph_mode(layout, 1);
+	pango_layout_set_attributes(layout, attrs);
+	pango_attr_list_unref(attrs);
+	pango_font_description_free(desc);
+	return layout;
+}
+
+void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
+		int32_t scale, bool markup, const char *fmt, ...) {
+	static char buf[2048];
+
+	va_list args;
+	va_start(args, fmt);
+	if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
+		strcpy(buf, "[buffer overflow]");
+	}
+	va_end(args);
+
+	PangoLayout *layout = get_pango_layout(cairo, font, buf, scale, markup);
+	pango_cairo_update_layout(cairo, layout);
+	pango_layout_get_pixel_size(layout, width, height);
+	g_object_unref(layout);
+}
+
+void pango_printf(cairo_t *cairo, const char *font,
+		int32_t scale, bool markup, const char *fmt, ...) {
+	static char buf[2048];
+
+	va_list args;
+	va_start(args, fmt);
+	if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
+		strcpy(buf, "[buffer overflow]");
+	}
+	va_end(args);
+
+	PangoLayout *layout = get_pango_layout(cairo, font, buf, scale, markup);
+	pango_cairo_update_layout(cairo, layout);
+	pango_cairo_show_layout(cairo, layout);
+	g_object_unref(layout);
+}

include/pango.h

@@ -0,0 +1,16 @@
+#ifndef _SWAY_PANGO_H
+#define _SWAY_PANGO_H
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <cairo/cairo.h>
+#include <pango/pangocairo.h>
+
+PangoLayout *get_pango_layout(cairo_t *cairo, const char *font,
+		const char *text, int32_t scale, bool markup);
+void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
+		int32_t scale, bool markup, const char *fmt, ...);
+void pango_printf(cairo_t *cairo, const char *font,
+		int32_t scale, bool markup, const char *fmt, ...);
+
+#endif

include/sway/commands.h

@@ -74,6 +74,9 @@ void free_cmd_results(struct cmd_results *results);
  */
 const char *cmd_results_to_json(struct cmd_results *results);
 
+struct cmd_results *add_color(const char *name,
+		char *buffer, const char *color);
+
 typedef struct cmd_results *sway_cmd(int argc, char **argv);
 
 sway_cmd cmd_assign;
@@ -138,6 +141,7 @@ sway_cmd cmd_splith;
 sway_cmd cmd_splitt;
 sway_cmd cmd_splitv;
 sway_cmd cmd_sticky;
+sway_cmd cmd_swaybg_command;
 sway_cmd cmd_unmark;
 sway_cmd cmd_workspace;
 sway_cmd cmd_ws_auto_back_and_forth;

include/sway/config.h

@@ -1,17 +1,18 @@
 #ifndef _SWAY_CONFIG_H
 #define _SWAY_CONFIG_H
-
 #define PID_WORKSPACE_TIMEOUT 60
-
 #include <libinput.h>
 #include <stdint.h>
 #include <string.h>
+#include <time.h>
 #include <wlr/types/wlr_box.h>
 #include <xkbcommon/xkbcommon.h>
-#include <time.h>
 #include "list.h"
 #include "tree/layout.h"
 #include "tree/container.h"
+#include "wlr-layer-shell-unstable-v1-protocol.h"
+
+// TODO: Refactor this shit
 
 /**
  * Describes a variable created via the `set` command.
@@ -152,24 +153,13 @@ struct bar_config {
 	char *id;
 	uint32_t modifier;
 	list_t *outputs;
-	//enum desktop_shell_panel_position position; // TODO
+	char *position;
 	list_t *bindings;
 	char *status_command;
 	bool pango_markup;
 	char *swaybar_command;
 	char *font;
 	int height; // -1 not defined
-
-#ifdef ENABLE_TRAY
-	// Tray
-	char *tray_output;
-	char *icon_theme;
-	uint32_t tray_padding;
-	uint32_t activate_button;
-	uint32_t context_button;
-	uint32_t secondary_button;
-#endif
-
 	bool workspace_buttons;
 	bool wrap_scroll;
 	char *separator_symbol;
@@ -292,6 +282,7 @@ struct sway_config {
 	list_t *active_bar_modifiers;
 	struct sway_mode *current_mode;
 	struct bar_config *current_bar;
+	char *swaybg_command;
 	uint32_t floating_mod;
 	uint32_t dragging_key;
 	uint32_t resizing_key;
@@ -420,11 +411,6 @@ void apply_output_config(struct output_config *oc,
 		struct sway_container *output);
 void free_output_config(struct output_config *oc);
 
-/**
- * Updates the list of active bar modifiers
- */
-void update_active_bar_modifiers(void);
-
 int workspace_output_cmp_workspace(const void *a, const void *b);
 
 int sway_binding_cmp(const void *a, const void *b);
@@ -433,27 +419,17 @@ int sway_binding_cmp_keys(const void *a, const void *b);
 void free_sway_binding(struct sway_binding *sb);
 struct sway_binding *sway_binding_dup(struct sway_binding *sb);
 
-int sway_mouse_binding_cmp(const void *a, const void *b);
-int sway_mouse_binding_cmp_qsort(const void *a, const void *b);
-int sway_mouse_binding_cmp_buttons(const void *a, const void *b);
-void free_sway_mouse_binding(struct sway_mouse_binding *smb);
-
+/* Bar stuff */
 void load_swaybars();
+void invoke_swaybar(struct bar_config *bar);
 void terminate_swaybg(pid_t pid);
-
-/**
- * Allocate and initialize default bar configuration.
- */
 struct bar_config *default_bar_config(void);
+void free_bar_config(struct bar_config *bar);
 
-/**
- * Global config singleton.
- */
+/* Global config singleton. */
 extern struct sway_config *config;
 
-/**
- * Config file currently being read.
- */
+/* Config file currently being read */
 extern const char *current_config_path;
 
 #endif

include/sway/ipc-json.h

@@ -9,5 +9,6 @@ json_object *ipc_json_get_version();
 json_object *ipc_json_describe_container(struct sway_container *c);
 json_object *ipc_json_describe_container_recursive(struct sway_container *c);
 json_object *ipc_json_describe_input(struct sway_input_device *device);
+json_object *ipc_json_describe_bar_config(struct bar_config *bar);
 
 #endif

include/sway/ipc-server.h

@@ -12,6 +12,10 @@ void ipc_terminate(void);
 
 struct sockaddr_un *ipc_user_sockaddr(void);
 
+void ipc_event_workspace(struct sway_container *old,
+		struct sway_container *new, const char *change);
 void ipc_event_window(struct sway_container *window, const char *change);
+void ipc_event_barconfig_update(struct bar_config *bar);
+void ipc_event_mode(const char *mode);
 
 #endif

include/sway/layers.h

@@ -14,8 +14,6 @@ struct sway_layer_surface {
 	struct wl_listener unmap;
 	struct wl_listener surface_commit;
 	struct wl_listener output_destroy;
-	struct wl_listener output_mode;
-	struct wl_listener output_transform;
 
 	bool configured;
 	struct wlr_box geo;

include/sway/output.h

@@ -21,6 +21,7 @@ struct sway_output {
 	struct wl_listener frame;
 	struct wl_listener destroy;
 	struct wl_listener mode;
+	struct wl_listener transform;
 
 	pid_t bg_pid;
 };

include/swaybar/bar.h

@@ -1,36 +1,49 @@
 #ifndef _SWAYBAR_BAR_H
 #define _SWAYBAR_BAR_H
-
-#include "client/registry.h"
-#include "client/window.h"
+#include <wayland-client.h>
+#include "pool-buffer.h"
 #include "list.h"
 
-struct bar {
-	struct config *config;
+struct swaybar_config;
+struct swaybar_output;
+struct swaybar_workspace;
+
+struct swaybar {
+	struct wl_display *display;
+	struct wl_compositor *compositor;
+	struct zwlr_layer_shell_v1 *layer_shell;
+	struct wl_shm *shm;
+
+	struct swaybar_config *config;
+	struct swaybar_output *focused_output;
 	struct status_line *status;
-	list_t *outputs;
-	struct output *focused_output;
 
 	int ipc_event_socketfd;
 	int ipc_socketfd;
-	int status_read_fd;
-	int status_write_fd;
-	pid_t status_command_pid;
+
+	struct wl_list outputs;
 };
 
-struct output {
-	struct window *window;
-	struct registry *registry;
-	list_t *workspaces;
-#ifdef ENABLE_TRAY
-	list_t *items;
-#endif
+struct swaybar_output {
+	struct wl_list link;
+	struct swaybar *bar;
+	struct wl_output *output;
+	struct wl_surface *surface;
+	struct zwlr_layer_surface_v1 *layer_surface;
+
+	struct wl_list workspaces;
+
 	char *name;
-	int idx;
+	size_t index;
 	bool focused;
+
+	uint32_t width, height;
+	struct pool_buffer buffers[2];
+	struct pool_buffer *current_buffer;
 };
 
-struct workspace {
+struct swaybar_workspace {
+	struct wl_list link;
 	int num;
 	char *name;
 	bool focused;
@@ -38,35 +51,11 @@ struct workspace {
 	bool urgent;
 };
 
-/** Global bar state */
-extern struct bar swaybar;
+// TODO: Rename stuff to match wlroots conventions (init/create/etc)
+void bar_setup(struct swaybar *bar,
+	const char *socket_path,
+	const char *bar_id);
+void bar_run(struct swaybar *bar);
+void bar_teardown(struct swaybar *bar);
 
-/** True if sway needs to render */
-extern bool dirty;
-
-/**
- * Setup bar.
- */
-void bar_setup(struct bar *bar, const char *socket_path, const char *bar_id);
-
-/**
- * Create new output struct from name.
- */
-struct output *new_output(const char *name);
-
-/**
- * Bar mainloop.
- */
-void bar_run(struct bar *bar);
-
-/**
- * free workspace list.
- */
-void free_workspaces(list_t *workspaces);
-
-/**
- * Teardown bar.
- */
-void bar_teardown(struct bar *bar);
-
-#endif /* _SWAYBAR_BAR_H */
+#endif

include/swaybar/config.h

@@ -1,49 +1,35 @@
 #ifndef _SWAYBAR_CONFIG_H
 #define _SWAYBAR_CONFIG_H
-
-#include <stdint.h>
 #include <stdbool.h>
-
-#include "list.h"
+#include <stdint.h>
+#include <wayland-client.h>
 #include "util.h"
 
-/**
- * Colors for a box with background, border and text colors.
- */
 struct box_colors {
 	uint32_t border;
 	uint32_t background;
 	uint32_t text;
 };
 
-/**
- * Swaybar config.
- */
-struct config {
+struct config_output {
+	struct wl_list link;
+	char *name;
+	size_t index;
+};
+
+struct swaybar_config {
 	char *status_command;
 	bool pango_markup;
-	uint32_t position;
+	uint32_t position; // zwlr_layer_surface_v1_anchor
 	char *font;
 	char *sep_symbol;
 	char *mode;
+	bool mode_pango_markup;
 	bool strip_workspace_numbers;
 	bool binding_mode_indicator;
 	bool wrap_scroll;
 	bool workspace_buttons;
-	bool all_outputs;
-	list_t *outputs;
-
-#ifdef ENABLE_TRAY
-	// Tray
-	char *tray_output;
-	char *icon_theme;
-
-	uint32_t tray_padding;
-	uint32_t activate_button;
-	uint32_t context_button;
-	uint32_t secondary_button;
-#endif
-
+	struct wl_list outputs;
 	int height;
 
 	struct {
@@ -63,24 +49,8 @@ struct config {
 	} colors;
 };
 
-/**
- * Parse position top|bottom|left|right.
- */
+struct swaybar_config *init_config();
+void free_config(struct swaybar_config *config);
 uint32_t parse_position(const char *position);
 
-/**
- * Parse font.
- */
-char *parse_font(const char *font);
-
-/**
- * Initialize default sway config.
- */
-struct config *init_config();
-
-/**
- * Free config struct.
- */
-void free_config(struct config *config);
-
-#endif /* _SWAYBAR_CONFIG_H */
+#endif

include/swaybar/event_loop.h

@@ -1,6 +1,5 @@
 #ifndef _SWAYBAR_EVENT_LOOP_H
 #define _SWAYBAR_EVENT_LOOP_H
-
 #include <stdbool.h>
 #include <time.h>
 
@@ -23,4 +22,5 @@ bool remove_timer(timer_t timer);
 void event_loop_poll();
 
 void init_event_loop();
-#endif /*_SWAYBAR_EVENT_LOOP_H */
+
+#endif

include/swaybar/ipc.h

@@ -1,23 +1,10 @@
 #ifndef _SWAYBAR_IPC_H
 #define _SWAYBAR_IPC_H
+#include <stdbool.h>
+#include "swaybar/bar.h"
 
-#include "bar.h"
-
-/**
- * Initialize ipc connection to sway and get sway state, outputs, bar_config.
- */
-void ipc_bar_init(struct bar *bar, const char *bar_id);
-
-/**
- * Handle ipc event from sway.
- */
-bool handle_ipc_event(struct bar *bar);
-
-
-/**
- * Send workspace command to sway
- */
-void ipc_send_workspace_command(const char *workspace_name);
-
-#endif /* _SWAYBAR_IPC_H */
+void ipc_initialize(struct swaybar *bar, const char *bar_id);
+bool handle_ipc_event(struct swaybar *bar);
+void ipc_get_workspaces(struct swaybar *bar);
 
+#endif

include/swaybar/render.h

@@ -1,22 +1,10 @@
 #ifndef _SWAYBAR_RENDER_H
 #define _SWAYBAR_RENDER_H
 
-#include "config.h"
-#include "bar.h"
+struct swaybar;
+struct swaybar_output;
+struct swaybar_config;
 
-/**
- * Render swaybar.
- */
-void render(struct output *output, struct config *config, struct status_line *line);
+void render_frame(struct swaybar *bar, struct swaybar_output *output);
 
-/**
- * Set window height and modify internal spacing accordingly.
- */
-void set_window_height(struct window *window, int height);
-
-/**
- * Compute the size of a workspace name
- */
-void workspace_button_size(struct window *window, const char *workspace_name, int *width, int *height);
-
-#endif /* _SWAYBAR_RENDER_H */
+#endif

include/swaybar/status_line.h

@@ -1,61 +1,30 @@
 #ifndef _SWAYBAR_STATUS_LINE_H
 #define _SWAYBAR_STATUS_LINE_H
-
 #include <stdint.h>
+#include <stdio.h>
 #include <stdbool.h>
-
-#include "list.h"
 #include "bar.h"
 
-typedef enum {UNDEF, TEXT, I3BAR} command_protocol;
+enum status_protocol {
+	PROTOCOL_UNDEF,
+	PROTOCOL_TEXT,
+	PROTOCOL_I3BAR,
+};
 
 struct status_line {
-	list_t *block_line;
-	const char *text_line;
-	command_protocol protocol;
-	bool click_events;
+	pid_t pid;
+	int read_fd, write_fd;
+	FILE *read, *write;
+
+	enum status_protocol protocol;
+	const char *text;
+
+	char *buffer;
+	size_t buffer_size;
 };
 
-struct status_block {
-	char *full_text, *short_text, *align;
-	bool urgent;
-	uint32_t color;
-	int min_width;
-	char *name, *instance;
-	bool separator;
-	int separator_block_width;
-	bool markup;
-	// Airblader features
-	uint32_t background;
-	uint32_t border;
-	int border_top;
-	int border_bottom;
-	int border_left;
-	int border_right;
+struct status_line *status_line_init(char *cmd);
+void status_line_free(struct status_line *status);
+bool handle_status_readable(struct status_line *status);
 
-	// Set during rendering
-	int x;
-	int width;
-};
-
-/**
- * Initialize status line struct.
- */
-struct status_line *init_status_line();
-
-/**
- * handle status line activity.
- */
-bool handle_status_line(struct bar *bar);
-
-/**
- * Handle mouse clicks.
- */
-bool status_line_mouse_event(struct bar *bar, int x, int y, uint32_t button);
-
-/**
- * Free status line struct.
- */
-void free_status_line(struct status_line *line);
-
-#endif /* _SWAYBAR_STATUS_LINE_H */
+#endif

meson.build

@@ -35,6 +35,7 @@ pixman         = dependency('pixman-1')
 libcap         = dependency('libcap')
 libinput       = dependency('libinput')
 math           = cc.find_library('m')
+rt             = cc.find_library('rt')
 git = find_program('git', required: false)
 a2x = find_program('a2x', required: false)
 
@@ -99,8 +100,10 @@ subdir('protocols')
 subdir('common')
 subdir('sway')
 subdir('swaymsg')
+
 subdir('client')
 subdir('swaybg')
+subdir('swaybar')
 
 config = configuration_data()
 config.set('sysconfdir', join_paths(prefix, sysconfdir))

sway/commands.c

@@ -91,68 +91,69 @@ void apply_seat_config(struct seat_config *seat) {
 	sway_input_manager_apply_seat_config(input_manager, seat);
 }
 
-/**
- * Check and add color to buffer.
- *
- * return error object, or NULL if color is valid.
- */
-struct cmd_results *add_color(const char *name, char *buffer, const char *color) {
-	int len = strlen(color);
-	if (len != 7 && len != 9) {
-		return cmd_results_new(CMD_INVALID, name, "Invalid color definition %s", color);
-	}
-
-	if (color[0] != '#') {
-		return cmd_results_new(CMD_INVALID, name, "Invalid color definition %s", color);
-	}
-
-	int i;
-	for (i = 1; i < len; ++i) {
-		if (!isxdigit(color[i])) {
-			return cmd_results_new(CMD_INVALID, name, "Invalid color definition %s", color);
-		}
-	}
-
-	// copy color to buffer
-	strncpy(buffer, color, len);
-	// add default alpha channel if color was defined without it
-	if (len == 7) {
-		buffer[7] = 'f';
-		buffer[8] = 'f';
-	}
-	buffer[9] = '\0';
-
-	return NULL;
-}
-
-/**
- * handlers that can run in either config or command context
- * Keep alphabetized
- */
+/* Keep alphabetized */
 static struct cmd_handler handlers[] = {
+	{ "bar", cmd_bar },
 	{ "bindcode", cmd_bindcode },
 	{ "bindsym", cmd_bindsym },
 	{ "exec", cmd_exec },
 	{ "exec_always", cmd_exec_always },
 	{ "include", cmd_include },
 	{ "input", cmd_input },
+	{ "mode", cmd_mode },
 	{ "output", cmd_output },
 	{ "seat", cmd_seat },
 	{ "workspace", cmd_workspace },
 };
 
-/**
- * Commands that can *only* run in the config loading context
- * Keep alphabetized
- */
-static struct cmd_handler config_handlers[] = {
-	{ "set", cmd_set },
+static struct cmd_handler bar_handlers[] = {
+	{ "activate_button", bar_cmd_activate_button },
+	{ "binding_mode_indicator", bar_cmd_binding_mode_indicator },
+	{ "bindsym", bar_cmd_bindsym },
+	{ "colors", bar_cmd_colors },
+	{ "context_button", bar_cmd_context_button },
+	{ "font", bar_cmd_font },
+	{ "height", bar_cmd_height },
+	{ "hidden_state", bar_cmd_hidden_state },
+	{ "icon_theme", bar_cmd_icon_theme },
+	{ "id", bar_cmd_id },
+	{ "mode", bar_cmd_mode },
+	{ "modifier", bar_cmd_modifier },
+	{ "output", bar_cmd_output },
+	{ "pango_markup", bar_cmd_pango_markup },
+	{ "position", bar_cmd_position },
+	{ "secondary_button", bar_cmd_secondary_button },
+	{ "separator_symbol", bar_cmd_separator_symbol },
+	{ "status_command", bar_cmd_status_command },
+	{ "strip_workspace_numbers", bar_cmd_strip_workspace_numbers },
+	{ "swaybar_command", bar_cmd_swaybar_command },
+	{ "tray_output", bar_cmd_tray_output },
+	{ "tray_padding", bar_cmd_tray_padding },
+	{ "workspace_buttons", bar_cmd_workspace_buttons },
+	{ "wrap_scroll", bar_cmd_wrap_scroll },
 };
 
-/**
- * Commands that can *not* run in the config loading context
- * Keep alphabetized
- */
+static struct cmd_handler bar_colors_handlers[] = {
+	{ "active_workspace", bar_colors_cmd_active_workspace },
+	{ "background", bar_colors_cmd_background },
+	{ "binding_mode", bar_colors_cmd_binding_mode },
+	{ "focused_background", bar_colors_cmd_focused_background },
+	{ "focused_separator", bar_colors_cmd_focused_separator },
+	{ "focused_statusline", bar_colors_cmd_focused_statusline },
+	{ "focused_workspace", bar_colors_cmd_focused_workspace },
+	{ "inactive_workspace", bar_colors_cmd_inactive_workspace },
+	{ "separator", bar_colors_cmd_separator },
+	{ "statusline", bar_colors_cmd_statusline },
+	{ "urgent_workspace", bar_colors_cmd_urgent_workspace },
+};
+
+/* Config-time only commands. Keep alphabetized */
+static struct cmd_handler config_handlers[] = {
+	{ "set", cmd_set },
+	{ "swaybg_command", cmd_swaybg_command },
+};
+
+/* Runtime-only commands. Keep alphabetized */
 static struct cmd_handler command_handlers[] = {
 	{ "exit", cmd_exit },
 	{ "focus", cmd_focus },
@@ -200,13 +201,19 @@ static struct cmd_handler *find_handler(char *line, enum cmd_status block) {
 
 	bool config_loading = config->reading || !config->active;
 
-	if (block == CMD_BLOCK_INPUT) {
-		// input commands can run in either context
+	if (block == CMD_BLOCK_BAR) {
+		return bsearch(&d, bar_handlers,
+				sizeof(bar_handlers) / sizeof(struct cmd_handler),
+				sizeof(struct cmd_handler), handler_compare);
+	} else if (block == CMD_BLOCK_BAR_COLORS) {
+		return bsearch(&d, bar_colors_handlers,
+				sizeof(bar_colors_handlers) / sizeof(struct cmd_handler),
+				sizeof(struct cmd_handler), handler_compare);
+	} else if (block == CMD_BLOCK_INPUT) {
 		return bsearch(&d, input_handlers,
 				sizeof(input_handlers) / sizeof(struct cmd_handler),
 				sizeof(struct cmd_handler), handler_compare);
 	} else if (block == CMD_BLOCK_SEAT) {
-		// seat commands can run in either context
 		return bsearch(&d, seat_handlers,
 				sizeof(seat_handlers) / sizeof(struct cmd_handler),
 				sizeof(struct cmd_handler), handler_compare);
@@ -558,3 +565,35 @@ const char *cmd_results_to_json(struct cmd_results *results) {
 	free(root);
 	return json;
 }
+
+/**
+ * Check and add color to buffer.
+ *
+ * return error object, or NULL if color is valid.
+ */
+struct cmd_results *add_color(const char *name,
+		char *buffer, const char *color) {
+	int len = strlen(color);
+	if (len != 7 && len != 9) {
+		return cmd_results_new(CMD_INVALID, name,
+				"Invalid color definition %s", color);
+	}
+	if (color[0] != '#') {
+		return cmd_results_new(CMD_INVALID, name,
+				"Invalid color definition %s", color);
+	}
+	for (int i = 1; i < len; ++i) {
+		if (!isxdigit(color[i])) {
+			return cmd_results_new(CMD_INVALID, name,
+					"Invalid color definition %s", color);
+		}
+	}
+	strncpy(buffer, color, len);
+	// add default alpha channel if color was defined without it
+	if (len == 7) {
+		buffer[7] = 'f';
+		buffer[8] = 'f';
+	}
+	buffer[9] = '\0';
+	return NULL;
+}

sway/commands/bar.c

@@ -0,0 +1,57 @@
+#include <string.h>
+#include <strings.h>
+#include <wlr/util/log.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "util.h"
+
+struct cmd_results *cmd_bar(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "bar", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+
+	if (config->reading && strcmp("{", argv[0]) != 0) {
+		return cmd_results_new(CMD_INVALID, "bar",
+				"Expected '{' at start of bar config definition.");
+	}
+
+	if (!config->reading) {
+		if (argc > 1) {
+			if (strcasecmp("mode", argv[0]) == 0) {
+				return bar_cmd_mode(argc-1, argv + 1);
+			}
+
+			if (strcasecmp("hidden_state", argv[0]) == 0) {
+				return bar_cmd_hidden_state(argc-1, argv + 1);
+			}
+		}
+		return cmd_results_new(CMD_FAILURE, "bar", "Can only be used in config file.");
+	}
+
+	// Create new bar with default values
+	struct bar_config *bar = default_bar_config();
+	if (!bar) {
+		return cmd_results_new(CMD_FAILURE, "bar", "Unable to allocate bar state");
+	}
+
+	// set bar id
+	for (int i = 0; i < config->bars->length; ++i) {
+		if (bar == config->bars->items[i]) {
+			const int len = 5 + numlen(i); // "bar-" + i + \0
+			bar->id = malloc(len * sizeof(char));
+			if (bar->id) {
+				snprintf(bar->id, len, "bar-%d", i);
+			} else {
+				return cmd_results_new(CMD_FAILURE,
+						"bar", "Unable to allocate bar ID");
+			}
+			break;
+		}
+	}
+
+	// Set current bar
+	config->current_bar = bar;
+	wlr_log(L_DEBUG, "Configuring bar %s", bar->id);
+	return cmd_results_new(CMD_BLOCK_BAR, NULL, NULL);
+}

sway/commands/bar/activate_button.c

@@ -0,0 +1,8 @@
+#include <stdlib.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_activate_button(int argc, char **argv) {
+	// TODO TRAY
+	return cmd_results_new(CMD_INVALID, "activate_button", "TODO TRAY");
+}

sway/commands/bar/binding_mode_indicator.c

@@ -0,0 +1,27 @@
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_binding_mode_indicator(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc,
+			"binding_mode_indicator", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE,
+				"binding_mode_indicator", "No bar defined.");
+	}
+	if (strcasecmp("yes", argv[0]) == 0) {
+		config->current_bar->binding_mode_indicator = true;
+		wlr_log(L_DEBUG, "Enabling binding mode indicator on bar: %s",
+				config->current_bar->id);
+	} else if (strcasecmp("no", argv[0]) == 0) {
+		config->current_bar->binding_mode_indicator = false;
+		wlr_log(L_DEBUG, "Disabling binding mode indicator on bar: %s",
+				config->current_bar->id);
+	}
+	return cmd_results_new(CMD_INVALID, "binding_mode_indicator",
+			"Invalid value %s", argv[0]);
+}

sway/commands/bar/bindsym.c

@@ -0,0 +1,11 @@
+#include <stdlib.h>
+#include <string.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "list.h"
+#include "log.h"
+#include "stringop.h"
+
+struct cmd_results *bar_cmd_bindsym(int argc, char **argv) {
+	return cmd_results_new(CMD_FAILURE, "bindsym", "TODO"); // TODO
+}

sway/commands/bar/colors.c

@@ -0,0 +1,124 @@
+#include <string.h>
+#include "sway/commands.h"
+
+static struct cmd_results *parse_single_color(char **color,
+		const char *cmd_name, int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, cmd_name, EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	if (!*color && !(*color = malloc(10))) {
+		return NULL;
+	}
+	error = add_color(cmd_name, *color, argv[0]);
+	if (error) {
+		return error;
+	}
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+static struct cmd_results *parse_three_colors(char ***colors,
+		const char *cmd_name, int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if (argc != 3) {
+		return cmd_results_new(CMD_INVALID,
+				cmd_name, "Requires exactly three color values");
+	}
+	for (size_t i = 0; i < 3; i++) {
+		if (!*colors[i] && !(*(colors[i]) = malloc(10))) {
+			return NULL;
+		}
+		error = add_color(cmd_name, *(colors[i]), argv[i]);
+		if (error) {
+			return error;
+		}
+	}
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+struct cmd_results *bar_cmd_colors(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "colors", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	if (strcmp("{", argv[0]) != 0) {
+		return cmd_results_new(CMD_INVALID, "colors",
+				"Expected '{' at the start of colors config definition.");
+	}
+	return cmd_results_new(CMD_BLOCK_BAR_COLORS, NULL, NULL);
+}
+
+struct cmd_results *bar_colors_cmd_active_workspace(int argc, char **argv) {
+	char **colors[3] = {
+		&(config->current_bar->colors.active_workspace_border),
+		&(config->current_bar->colors.active_workspace_bg),
+		&(config->current_bar->colors.active_workspace_text)
+	};
+	return parse_three_colors(colors, "active_workspace", argc, argv);
+}
+
+struct cmd_results *bar_colors_cmd_background(int argc, char **argv) {
+	return parse_single_color(&(config->current_bar->colors.background),
+			"background", argc, argv);
+}
+
+struct cmd_results *bar_colors_cmd_focused_background(int argc, char **argv) {
+	return parse_single_color(&(config->current_bar->colors.focused_background),
+			"focused_background", argc, argv);
+}
+
+struct cmd_results *bar_colors_cmd_binding_mode(int argc, char **argv) {
+	char **colors[3] = {
+		&(config->current_bar->colors.binding_mode_border),
+		&(config->current_bar->colors.binding_mode_bg),
+		&(config->current_bar->colors.binding_mode_text)
+	};
+	return parse_three_colors(colors, "binding_mode", argc, argv);
+}
+
+struct cmd_results *bar_colors_cmd_focused_workspace(int argc, char **argv) {
+	char **colors[3] = {
+		&(config->current_bar->colors.focused_workspace_border),
+		&(config->current_bar->colors.focused_workspace_bg),
+		&(config->current_bar->colors.focused_workspace_text)
+	};
+	return parse_three_colors(colors, "focused_workspace", argc, argv);
+}
+
+struct cmd_results *bar_colors_cmd_inactive_workspace(int argc, char **argv) {
+	char **colors[3] = {
+		&(config->current_bar->colors.inactive_workspace_border),
+		&(config->current_bar->colors.inactive_workspace_bg),
+		&(config->current_bar->colors.inactive_workspace_text)
+	};
+	return parse_three_colors(colors, "inactive_workspace", argc, argv);
+}
+
+struct cmd_results *bar_colors_cmd_separator(int argc, char **argv) {
+	return parse_single_color(&(config->current_bar->colors.separator),
+			"separator", argc, argv);
+}
+
+struct cmd_results *bar_colors_cmd_focused_separator(int argc, char **argv) {
+	return parse_single_color(&(config->current_bar->colors.focused_separator),
+			"focused_separator", argc, argv);
+}
+
+struct cmd_results *bar_colors_cmd_statusline(int argc, char **argv) {
+	return parse_single_color(&(config->current_bar->colors.statusline),
+			"statusline", argc, argv);
+}
+
+struct cmd_results *bar_colors_cmd_focused_statusline(int argc, char **argv) {
+	return parse_single_color(&(config->current_bar->colors.focused_separator),
+			"focused_separator", argc, argv);
+}
+
+struct cmd_results *bar_colors_cmd_urgent_workspace(int argc, char **argv) {
+	char **colors[3] = {
+		&(config->current_bar->colors.urgent_workspace_border),
+		&(config->current_bar->colors.urgent_workspace_bg),
+		&(config->current_bar->colors.urgent_workspace_text)
+	};
+	return parse_three_colors(colors, "urgent_workspace", argc, argv);
+}

sway/commands/bar/context_button.c

@@ -0,0 +1,8 @@
+#include <stdlib.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_context_button(int argc, char **argv) {
+	// TODO TRAY
+	return cmd_results_new(CMD_INVALID, "context_button", "TODO TRAY");
+}

sway/commands/bar/font.c

@@ -0,0 +1,21 @@
+#define _POSIX_C_SOURCE 200809L
+#include <string.h>
+#include "sway/commands.h"
+#include "log.h"
+#include "stringop.h"
+
+struct cmd_results *bar_cmd_font(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "font", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE, "font", "No bar defined.");
+	}
+	char *font = join_args(argv, argc);
+	free(config->current_bar->font);
+	config->current_bar->font = strdup(font);
+	wlr_log(L_DEBUG, "Settings font '%s' for bar: %s",
+			config->current_bar->font, config->current_bar->id);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/height.c

@@ -0,0 +1,20 @@
+#include <stdlib.h>
+#include <string.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_height(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "height", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	int height = atoi(argv[0]);
+	if (height < 0) {
+		return cmd_results_new(CMD_INVALID, "height",
+				"Invalid height value: %s", argv[0]);
+	}
+	config->current_bar->height = height;
+	wlr_log(L_DEBUG, "Setting bar height to %d on bar: %s",
+			height, config->current_bar->id);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/hidden_state.c

@@ -0,0 +1,73 @@
+#define _XOPEN_SOURCE 500
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/ipc-server.h"
+#include "log.h"
+
+static struct cmd_results *bar_set_hidden_state(struct bar_config *bar,
+		const char *hidden_state) {
+	char *old_state = bar->hidden_state;
+	if (strcasecmp("toggle", hidden_state) == 0 && !config->reading) {
+		if (strcasecmp("hide", bar->hidden_state) == 0) {
+			bar->hidden_state = strdup("show");
+		} else if (strcasecmp("show", bar->hidden_state) == 0) {
+			bar->hidden_state = strdup("hide");
+		}
+	} else if (strcasecmp("hide", hidden_state) == 0) {
+		bar->hidden_state = strdup("hide");
+	} else if (strcasecmp("show", hidden_state) == 0) {
+		bar->hidden_state = strdup("show");
+	} else {
+		return cmd_results_new(CMD_INVALID, "hidden_state",
+				"Invalid value %s", hidden_state);
+	}
+	if (strcmp(old_state, bar->hidden_state) != 0) {
+		if (!config->reading) {
+			ipc_event_barconfig_update(bar);
+		}
+		wlr_log(L_DEBUG, "Setting hidden_state: '%s' for bar: %s",
+				bar->hidden_state, bar->id);
+	}
+	// free old mode
+	free(old_state);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+struct cmd_results *bar_cmd_hidden_state(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "hidden_state", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	if ((error = checkarg(argc, "hidden_state", EXPECTED_LESS_THAN, 3))) {
+		return error;
+	}
+	if (config->reading && argc > 1) {
+		return cmd_results_new(CMD_INVALID, "hidden_state",
+				"Unexpected value %s in config mode", argv[1]);
+	}
+
+	const char *state = argv[0];
+	if (config->reading) {
+		return bar_set_hidden_state(config->current_bar, state);
+	}
+
+	const char *id = NULL;
+	if (argc == 2) {
+		id = argv[1];
+	}
+	struct bar_config *bar;
+	for (int i = 0; i < config->bars->length; ++i) {
+		bar = config->bars->items[i];
+		if (id && strcmp(id, bar->id) == 0) {
+			return bar_set_hidden_state(bar, state);
+		}
+
+		error = bar_set_hidden_state(bar, state);
+		if (error) {
+			return error;
+		}
+	}
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/icon_theme.c

@@ -0,0 +1,8 @@
+#define _XOPEN_SOURCE 500
+#include <string.h>
+#include "sway/commands.h"
+
+struct cmd_results *bar_cmd_icon_theme(int argc, char **argv) {
+	// TODO TRAY
+	return cmd_results_new(CMD_INVALID, "icon_theme", "TODO TRAY");
+}

sway/commands/bar/id.c

@@ -0,0 +1,30 @@
+#define _XOPEN_SOURCE 500
+#include <string.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_id(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "id", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+
+	const char *name = argv[0];
+	const char *oldname = config->current_bar->id;
+	// check if id is used by a previously defined bar
+	for (int i = 0; i < config->bars->length; ++i) {
+		struct bar_config *find = config->bars->items[i];
+		if (strcmp(name, find->id) == 0 && config->current_bar != find) {
+			return cmd_results_new(CMD_FAILURE, "id",
+					"Id '%s' already defined for another bar. Id unchanged (%s).",
+					name, oldname);
+		}
+	}
+
+	wlr_log(L_DEBUG, "Renaming bar: '%s' to '%s'", oldname, name);
+
+	// free old bar id
+	free(config->current_bar->id);
+	config->current_bar->id = strdup(name);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/mode.c

@@ -0,0 +1,74 @@
+#define _XOPEN_SOURCE 500
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/ipc-server.h"
+#include "log.h"
+
+static struct cmd_results *bar_set_mode(struct bar_config *bar, const char *mode) {
+	char *old_mode = bar->mode;
+	if (strcasecmp("toggle", mode) == 0 && !config->reading) {
+		if (strcasecmp("dock", bar->mode) == 0) {
+			bar->mode = strdup("hide");
+		} else if (strcasecmp("hide", bar->mode) == 0) {
+			bar->mode = strdup("dock");
+		}
+	} else if (strcasecmp("dock", mode) == 0) {
+		bar->mode = strdup("dock");
+	} else if (strcasecmp("hide", mode) == 0) {
+		bar->mode = strdup("hide");
+	} else if (strcasecmp("invisible", mode) == 0) {
+		bar->mode = strdup("invisible");
+	} else {
+		return cmd_results_new(CMD_INVALID, "mode", "Invalid value %s", mode);
+	}
+
+	if (strcmp(old_mode, bar->mode) != 0) {
+		if (!config->reading) {
+			ipc_event_barconfig_update(bar);
+		}
+		wlr_log(L_DEBUG, "Setting mode: '%s' for bar: %s", bar->mode, bar->id);
+	}
+
+	// free old mode
+	free(old_mode);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+struct cmd_results *bar_cmd_mode(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "mode", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	if ((error = checkarg(argc, "mode", EXPECTED_LESS_THAN, 3))) {
+		return error;
+	}
+	if (config->reading && argc > 1) {
+		return cmd_results_new(CMD_INVALID,
+				"mode", "Unexpected value %s in config mode", argv[1]);
+	}
+
+	const char *mode = argv[0];
+	if (config->reading) {
+		return bar_set_mode(config->current_bar, mode);
+	}
+
+	const char *id = NULL;
+	if (argc == 2) {
+		id = argv[1];
+	}
+
+	struct bar_config *bar;
+	for (int i = 0; i < config->bars->length; ++i) {
+		bar = config->bars->items[i];
+		if (id && strcmp(id, bar->id) == 0) {
+			return bar_set_mode(bar, mode);
+		}
+		error = bar_set_mode(bar, mode);
+		if (error) {
+			return error;
+		}
+	}
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/modifier.c

@@ -0,0 +1,35 @@
+#include <string.h>
+#include "sway/commands.h"
+#include "log.h"
+#include "stringop.h"
+#include "util.h"
+
+struct cmd_results *bar_cmd_modifier(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "modifier", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE, "modifier", "No bar defined.");
+	}
+
+	uint32_t mod = 0;
+	list_t *split = split_string(argv[0], "+");
+	for (int i = 0; i < split->length; ++i) {
+		uint32_t tmp_mod;
+		if ((tmp_mod = get_modifier_mask_by_name(split->items[i])) > 0) {
+			mod |= tmp_mod;
+			continue;
+		} else {
+			free_flat_list(split);
+			return cmd_results_new(CMD_INVALID, "modifier",
+					"Unknown modifier '%s'", split->items[i]);
+		}
+	}
+	free_flat_list(split);
+	config->current_bar->modifier = mod;
+	wlr_log(L_DEBUG,
+			"Show/Hide the bar when pressing '%s' in hide mode.", argv[0]);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/output.c

@@ -0,0 +1,49 @@
+#define _XOPEN_SOURCE 500
+#include <stdbool.h>
+#include <string.h>
+#include "sway/commands.h"
+#include "list.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_output(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "output", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE, "output", "No bar defined.");
+	}
+
+	const char *output = argv[0];
+	list_t *outputs = config->current_bar->outputs;
+	if (!outputs) {
+		outputs = create_list();
+		config->current_bar->outputs = outputs;
+	}
+
+	bool add_output = true;
+	if (strcmp("*", output) == 0) {
+		// remove all previous defined outputs and replace with '*'
+		for (int i = 0; i < outputs->length; ++i) {
+			free(outputs->items[i]);
+			list_del(outputs, i);
+		}
+	} else {
+		// only add output if not already defined with either the same
+		// name or as '*'
+		for (int i = 0; i < outputs->length; ++i) {
+			const char *find = outputs->items[i];
+			if (strcmp("*", find) == 0 || strcmp(output, find) == 0) {
+				add_output = false;
+				break;
+			}
+		}
+	}
+
+	if (add_output) {
+		list_add(outputs, strdup(output));
+		wlr_log(L_DEBUG, "Adding bar: '%s' to output '%s'",
+				config->current_bar->id, output);
+	}
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/pango_markup.c

@@ -0,0 +1,28 @@
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_pango_markup(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "pango_markup", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE, "pango_markup", "No bar defined.");
+	}
+	if (strcasecmp("enabled", argv[0]) == 0) {
+		config->current_bar->pango_markup = true;
+		wlr_log(L_DEBUG, "Enabling pango markup for bar: %s",
+				config->current_bar->id);
+	} else if (strcasecmp("disabled", argv[0]) == 0) {
+		config->current_bar->pango_markup = false;
+		wlr_log(L_DEBUG, "Disabling pango markup for bar: %s",
+				config->current_bar->id);
+	} else {
+		error = cmd_results_new(CMD_INVALID, "pango_markup",
+				"Invalid value %s", argv[0]);
+		return error;
+	}
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/position.c

@@ -0,0 +1,26 @@
+#define _POSIX_C_SOURCE 200809L
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_position(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "position", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE, "position", "No bar defined.");
+	}
+	char *valid[] = { "top", "bottom", "left", "right" };
+	for (size_t i = 0; i < sizeof(valid) / sizeof(valid[0]); ++i) {
+		if (strcasecmp(valid[i], argv[0]) == 0) {
+			wlr_log(L_DEBUG, "Setting bar position '%s' for bar: %s",
+					argv[0], config->current_bar->id);
+			config->current_bar->position = strdup(argv[0]);
+			return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+		}
+	}
+	return cmd_results_new(CMD_INVALID,
+			"position", "Invalid value %s", argv[0]);
+}

sway/commands/bar/secondary_button.c

@@ -0,0 +1,8 @@
+#include <stdlib.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_secondary_button(int argc, char **argv) {
+	// TODO TRAY
+	return cmd_results_new(CMD_INVALID, "secondary_button", "TODO TRAY");
+}

sway/commands/bar/separator_symbol.c

@@ -0,0 +1,20 @@
+#define _XOPEN_SOURCE 500
+#include <string.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_separator_symbol(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "separator_symbol", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE,
+				"separator_symbol", "No bar defined.");
+	}
+	free(config->current_bar->separator_symbol);
+	config->current_bar->separator_symbol = strdup(argv[0]);
+	wlr_log(L_DEBUG, "Settings separator_symbol '%s' for bar: %s",
+			config->current_bar->separator_symbol, config->current_bar->id);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/status_command.c

@@ -0,0 +1,20 @@
+#include <string.h>
+#include "sway/commands.h"
+#include "log.h"
+#include "stringop.h"
+
+struct cmd_results *bar_cmd_status_command(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "status_command", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE,
+				"status_command", "No bar defined.");
+	}
+	free(config->current_bar->status_command);
+	config->current_bar->status_command = join_args(argv, argc);
+	wlr_log(L_DEBUG, "Feeding bar with status command: %s",
+			config->current_bar->status_command);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/strip_workspace_numbers.c

@@ -0,0 +1,29 @@
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_strip_workspace_numbers(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc,
+				"strip_workspace_numbers", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE,
+				"strip_workspace_numbers", "No bar defined.");
+	}
+	if (strcasecmp("yes", argv[0]) == 0) {
+		config->current_bar->strip_workspace_numbers = true;
+		wlr_log(L_DEBUG, "Stripping workspace numbers on bar: %s",
+				config->current_bar->id);
+	} else if (strcasecmp("no", argv[0]) == 0) {
+		config->current_bar->strip_workspace_numbers = false;
+		wlr_log(L_DEBUG, "Enabling workspace numbers on bar: %s",
+				config->current_bar->id);
+	} else {
+		return cmd_results_new(CMD_INVALID,
+				"strip_workspace_numbers", "Invalid value %s", argv[0]);
+	}
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/swaybar_command.c

@@ -0,0 +1,20 @@
+#include <string.h>
+#include "sway/commands.h"
+#include "log.h"
+#include "stringop.h"
+
+struct cmd_results *bar_cmd_swaybar_command(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "swaybar_command", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE,
+				"swaybar_command", "No bar defined.");
+	}
+	free(config->current_bar->swaybar_command);
+	config->current_bar->swaybar_command = join_args(argv, argc);
+	wlr_log(L_DEBUG, "Using custom swaybar command: %s",
+			config->current_bar->swaybar_command);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/tray_output.c

@@ -0,0 +1,8 @@
+#define _XOPEN_SOURCE 500
+#include <string.h>
+#include "sway/commands.h"
+
+struct cmd_results *bar_cmd_tray_output(int argc, char **argv) {
+	// TODO TRAY
+	return cmd_results_new(CMD_INVALID, "tray_output", "TODO TRAY");
+}

sway/commands/bar/tray_padding.c

@@ -0,0 +1,9 @@
+#include <stdlib.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_tray_padding(int argc, char **argv) {
+	// TODO TRAY
+	return cmd_results_new(CMD_INVALID, "tray_padding", "TODO TRAY");
+}

sway/commands/bar/workspace_buttons.c

@@ -0,0 +1,28 @@
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_workspace_buttons(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "workspace_buttons", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE,
+				"workspace_buttons", "No bar defined.");
+	}
+	if (strcasecmp("yes", argv[0]) == 0) {
+		config->current_bar->workspace_buttons = true;
+		wlr_log(L_DEBUG, "Enabling workspace buttons on bar: %s",
+				config->current_bar->id);
+	} else if (strcasecmp("no", argv[0]) == 0) {
+		config->current_bar->workspace_buttons = false;
+		wlr_log(L_DEBUG, "Disabling workspace buttons on bar: %s",
+				config->current_bar->id);
+	} else {
+		return cmd_results_new(CMD_INVALID, "workspace_buttons",
+				"Invalid value %s", argv[0]);
+	}
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/bar/wrap_scroll.c

@@ -0,0 +1,27 @@
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_wrap_scroll(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "wrap_scroll", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE, "wrap_scroll", "No bar defined.");
+	}
+	if (strcasecmp("yes", argv[0]) == 0) {
+		config->current_bar->wrap_scroll = true;
+		wlr_log(L_DEBUG, "Enabling wrap scroll on bar: %s",
+				config->current_bar->id);
+	} else if (strcasecmp("no", argv[0]) == 0) {
+		config->current_bar->wrap_scroll = false;
+		wlr_log(L_DEBUG, "Disabling wrap scroll on bar: %s",
+				config->current_bar->id);
+	} else {
+		return cmd_results_new(CMD_INVALID,
+				"wrap_scroll", "Invalid value %s", argv[0]);
+	}
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/mode.c

@@ -0,0 +1,59 @@
+#define _XOPEN_SOURCE 500
+#include <stdbool.h>
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/ipc-server.h"
+#include "list.h"
+#include "log.h"
+
+struct cmd_results *cmd_mode(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "mode", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+
+	const char *mode_name = argv[0];
+	bool new_mode = (argc == 2 && strcmp(argv[1], "{") == 0);
+	if (new_mode && !config->reading) {
+		return cmd_results_new(CMD_FAILURE,
+				"mode", "Can only be used in config file.");
+	}
+	struct sway_mode *mode = NULL;
+	// Find mode
+	for (int i = 0; i < config->modes->length; ++i) {
+		struct sway_mode *test = config->modes->items[i];
+		if (strcasecmp(test->name, mode_name) == 0) {
+			mode = test;
+			break;
+		}
+	}
+	// Create mode if it doesn't exist
+	if (!mode && new_mode) {
+		mode = calloc(1, sizeof(struct sway_mode));
+		if (!mode) {
+			return cmd_results_new(CMD_FAILURE,
+					"mode", "Unable to allocate mode");
+		}
+		mode->name = strdup(mode_name);
+		mode->keysym_bindings = create_list();
+		mode->keycode_bindings = create_list();
+		list_add(config->modes, mode);
+	}
+	if (!mode) {
+		error = cmd_results_new(CMD_INVALID,
+				"mode", "Unknown mode `%s'", mode_name);
+		return error;
+	}
+	if ((config->reading && new_mode) || (!config->reading && !new_mode)) {
+		wlr_log(L_DEBUG, "Switching to mode `%s'",mode->name);
+	}
+	// Set current mode
+	config->current_mode = mode;
+	if (!new_mode) {
+		// trigger IPC mode event
+		ipc_event_mode(config->current_mode->name);
+	}
+	return cmd_results_new(new_mode ? CMD_BLOCK_MODE : CMD_SUCCESS, NULL, NULL);
+}

sway/commands/reload.c

@@ -11,8 +11,7 @@ struct cmd_results *cmd_reload(int argc, char **argv) {
 		return cmd_results_new(CMD_FAILURE, "reload", "Error(s) reloading config.");
 	}
 
-	/* load_swaybars(); -- for when it's implemented */
-
+	load_swaybars();
 	arrange_windows(&root_container, -1, -1);
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }

sway/commands/swaybg_command.c

@@ -0,0 +1,20 @@
+#include <string.h>
+#include "sway/commands.h"
+#include "log.h"
+#include "stringop.h"
+
+struct cmd_results *cmd_swaybg_command(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "swaybg_command", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+
+	if (config->swaybg_command) {
+		free(config->swaybg_command);
+	}
+	config->swaybg_command = join_args(argv, argc);
+	wlr_log(L_DEBUG, "Using custom swaybg command: %s",
+			config->swaybg_command);
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/config.c

@@ -403,12 +403,6 @@ bool load_main_config(const char *file, bool is_active) {
 		free_config(old_config);
 	}
 	config->reading = false;
-
-	if (success) {
-		// TODO: bar
-		//update_active_bar_modifiers();
-	}
-
 	return success;
 }
 

sway/config/bar.c

@@ -0,0 +1,238 @@
+#define _POSIX_C_SOURCE 200809L
+#define _XOPEN_SOURCE 700
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <wordexp.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <signal.h>
+#include <strings.h>
+#include "sway/config.h"
+#include "stringop.h"
+#include "list.h"
+#include "log.h"
+
+static void terminate_swaybar(pid_t pid) {
+	int ret = kill(pid, SIGTERM);
+	if (ret != 0) {
+		wlr_log_errno(L_ERROR, "Unable to terminate swaybar %d", pid);
+	} else {
+		int status;
+		waitpid(pid, &status, 0);
+	}
+}
+
+void free_bar_config(struct bar_config *bar) {
+	if (!bar) {
+		return;
+	}
+	free(bar->mode);
+	free(bar->position);
+	free(bar->hidden_state);
+	free(bar->status_command);
+	free(bar->font);
+	free(bar->separator_symbol);
+	// TODO: Free mouse bindings
+	list_free(bar->bindings);
+	if (bar->outputs) {
+		free_flat_list(bar->outputs);
+	}
+	if (bar->pid != 0) {
+		terminate_swaybar(bar->pid);
+	}
+	free(bar->colors.background);
+	free(bar->colors.statusline);
+	free(bar->colors.separator);
+	free(bar->colors.focused_background);
+	free(bar->colors.focused_statusline);
+	free(bar->colors.focused_separator);
+	free(bar->colors.focused_workspace_border);
+	free(bar->colors.focused_workspace_bg);
+	free(bar->colors.focused_workspace_text);
+	free(bar->colors.active_workspace_border);
+	free(bar->colors.active_workspace_bg);
+	free(bar->colors.active_workspace_text);
+	free(bar->colors.inactive_workspace_border);
+	free(bar->colors.inactive_workspace_bg);
+	free(bar->colors.inactive_workspace_text);
+	free(bar->colors.urgent_workspace_border);
+	free(bar->colors.urgent_workspace_bg);
+	free(bar->colors.urgent_workspace_text);
+	free(bar->colors.binding_mode_border);
+	free(bar->colors.binding_mode_bg);
+	free(bar->colors.binding_mode_text);
+	free(bar);
+}
+
+struct bar_config *default_bar_config(void) {
+	struct bar_config *bar = NULL;
+	bar = malloc(sizeof(struct bar_config));
+	if (!bar) {
+		return NULL;
+	}
+	if (!(bar->mode = strdup("dock"))) goto cleanup;
+	if (!(bar->hidden_state = strdup("hide"))) goto cleanup;
+	bar->outputs = NULL;
+	bar->position = strdup("bottom");
+	if (!(bar->bindings = create_list())) goto cleanup;
+	if (!(bar->status_command = strdup("while :; do date +'%Y-%m-%d %l:%M:%S %p'; sleep 1; done"))) goto cleanup;
+	bar->pango_markup = false;
+	bar->swaybar_command = NULL;
+	bar->font = NULL;
+	bar->height = -1;
+	bar->workspace_buttons = true;
+	bar->wrap_scroll = false;
+	bar->separator_symbol = NULL;
+	bar->strip_workspace_numbers = false;
+	bar->binding_mode_indicator = true;
+	bar->verbose = false;
+	bar->pid = 0;
+	// set default colors
+	if (!(bar->colors.background = strndup("#000000ff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.statusline = strndup("#ffffffff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.separator = strndup("#666666ff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.focused_workspace_border = strndup("#4c7899ff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.focused_workspace_bg = strndup("#285577ff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.focused_workspace_text = strndup("#ffffffff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.active_workspace_border = strndup("#333333ff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.active_workspace_bg = strndup("#5f676aff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.active_workspace_text = strndup("#ffffffff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.inactive_workspace_border = strndup("#333333ff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.inactive_workspace_bg = strndup("#222222ff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.inactive_workspace_text = strndup("#888888ff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.urgent_workspace_border = strndup("#2f343aff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.urgent_workspace_bg = strndup("#900000ff", 9))) {
+		goto cleanup;
+	}
+	if (!(bar->colors.urgent_workspace_text = strndup("#ffffffff", 9))) {
+		goto cleanup;
+	}
+	// if the following colors stay undefined, they fall back to background,
+	// statusline, separator and urgent_workspace_*.
+	bar->colors.focused_background = NULL;
+	bar->colors.focused_statusline = NULL;
+	bar->colors.focused_separator = NULL;
+	bar->colors.binding_mode_border = NULL;
+	bar->colors.binding_mode_bg = NULL;
+	bar->colors.binding_mode_text = NULL;
+
+	list_add(config->bars, bar);
+	return bar;
+cleanup:
+	free_bar_config(bar);
+	return NULL;
+}
+
+void invoke_swaybar(struct bar_config *bar) {
+	// Pipe to communicate errors
+	int filedes[2];
+	if (pipe(filedes) == -1) {
+		wlr_log(L_ERROR, "Pipe setup failed! Cannot fork into bar");
+		return;
+	}
+
+	bar->pid = fork();
+	if (bar->pid == 0) {
+		close(filedes[0]);
+
+		// run custom swaybar
+		size_t len = snprintf(NULL, 0, "%s -b %s",
+				bar->swaybar_command ? bar->swaybar_command : "swaybar",
+				bar->id);
+		char *command = malloc(len + 1);
+		if (!command) {
+			const char msg[] = "Unable to allocate swaybar command string";
+			size_t len = sizeof(msg);
+			if (write(filedes[1], &len, sizeof(int))) {};
+			if (write(filedes[1], msg, len)) {};
+			close(filedes[1]);
+			exit(1);
+		}
+		snprintf(command, len + 1, "%s -b %s",
+				bar->swaybar_command ? bar->swaybar_command : "swaybar",
+				bar->id);
+		char *const cmd[] = { "sh", "-c", command, NULL, };
+		close(filedes[1]);
+		execvp(cmd[0], cmd);
+		exit(1);
+	}
+	close(filedes[0]);
+	ssize_t len;
+	if (read(filedes[1], &len, sizeof(int)) == sizeof(int)) {
+		char *buf = malloc(len);
+		if(!buf) {
+			wlr_log(L_ERROR, "Cannot allocate error string");
+			return;
+		}
+		if (read(filedes[1], buf, len)) {
+			wlr_log(L_ERROR, "%s", buf);
+		}
+		free(buf);
+	}
+	close(filedes[1]);
+}
+
+static bool active_output(const char *name) {
+	struct sway_container *cont = NULL;
+	for (int i = 0; i < root_container.children->length; ++i) {
+		cont = root_container.children->items[i];
+		if (cont->type == C_OUTPUT && strcasecmp(name, cont->name) == 0) {
+			return true;
+		}
+	}
+	return false;
+}
+
+void load_swaybars() {
+	for (int i = 0; i < config->bars->length; ++i) {
+		struct bar_config *bar = config->bars->items[i];
+		bool apply = false;
+		if (bar->outputs) {
+			for (int j = 0; j < bar->outputs->length; ++j) {
+				char *o = bar->outputs->items[j];
+				if (!strcmp(o, "*") || active_output(o)) {
+					apply = true;
+					break;
+				}
+			}
+		} else {
+			apply = true;
+		}
+		if (apply) {
+			if (bar->pid != 0) {
+				terminate_swaybar(bar->pid);
+			}
+			wlr_log(L_DEBUG, "Invoking swaybar for bar id '%s'", bar->id);
+			invoke_swaybar(bar);
+		}
+	}
+}

sway/config/output.c

@@ -180,19 +180,20 @@ void apply_output_config(struct output_config *oc, struct sway_container *output
 		wlr_log(L_DEBUG, "Setting background for output %d to %s",
 				output_i, oc->background);
 
-		size_t bufsize = 12;
-		char output_id[bufsize];
-		snprintf(output_id, bufsize, "%d", output_i);
-		output_id[bufsize-1] = 0;
-
-		char *const cmd[] = {
-			"./swaybg/swaybg",
-			output_id,
-			oc->background,
-			oc->background_option,
-			NULL,
-		};
+		size_t len = snprintf(NULL, 0, "%s %d %s %s",
+				config->swaybg_command ? config->swaybg_command : "swaybg",
+				output_i, oc->background, oc->background_option);
+		char *command = malloc(len + 1);
+		if (!command) {
+			wlr_log(L_DEBUG, "Unable to allocate swaybg command");
+			return;
+		}
+		snprintf(command, len + 1, "%s %d %s %s",
+				config->swaybg_command ? config->swaybg_command : "swaybg",
+				output_i, oc->background, oc->background_option);
+		wlr_log(L_DEBUG, "-> %s", command);
 
+		char *const cmd[] = { "sh", "-c", command, NULL };
 		output->sway_output->bg_pid = fork();
 		if (output->sway_output->bg_pid == 0) {
 			execvp(cmd[0], cmd);

sway/desktop/layer_shell.c

@@ -156,7 +156,6 @@ void arrange_layers(struct sway_output *output) {
 	struct wlr_box usable_area = { 0 };
 	wlr_output_effective_resolution(output->wlr_output,
 			&usable_area.width, &usable_area.height);
-	struct wlr_box usable_area_before = output->usable_area;
 
 	// Arrange exclusive surfaces from top->bottom
 	arrange_layer(output, &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
@@ -167,11 +166,11 @@ void arrange_layers(struct sway_output *output) {
 			&usable_area, true);
 	arrange_layer(output, &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
 			&usable_area, true);
-	memcpy(&output->usable_area, &usable_area, sizeof(struct wlr_box));
 
-	if (memcmp(&usable_area_before,
-			&usable_area, sizeof(struct wlr_box)) != 0) {
-		wlr_log(L_DEBUG, "arrange");
+	if (memcmp(&usable_area, &output->usable_area,
+				sizeof(struct wlr_box)) != 0) {
+		wlr_log(L_DEBUG, "Usable area changed, rearranging output");
+		memcpy(&output->usable_area, &usable_area, sizeof(struct wlr_box));
 		arrange_windows(output->swayc, -1, -1);
 	}
 
@@ -193,22 +192,10 @@ static void handle_output_destroy(struct wl_listener *listener, void *data) {
 	struct sway_layer_surface *sway_layer =
 		wl_container_of(listener, sway_layer, output_destroy);
 	wl_list_remove(&sway_layer->output_destroy.link);
-	wl_list_remove(&sway_layer->output_mode.link);
-	wl_list_remove(&sway_layer->output_transform.link);
 	sway_layer->layer_surface->output = NULL;
 	wlr_layer_surface_close(sway_layer->layer_surface);
 }
 
-static void handle_output_mode(struct wl_listener *listener, void *data) {
-	struct wlr_output *output = data;
-	arrange_layers((struct sway_output *)output->data);
-}
-
-static void handle_output_transform(struct wl_listener *listener, void *data) {
-	struct wlr_output *output = data;
-	arrange_layers((struct sway_output *)output->data);
-}
-
 static void handle_surface_commit(struct wl_listener *listener, void *data) {
 	struct sway_layer_surface *layer =
 		wl_container_of(listener, layer, surface_commit);
@@ -233,6 +220,8 @@ static void unmap(struct wlr_layer_surface *layer_surface) {
 static void handle_destroy(struct wl_listener *listener, void *data) {
 	struct sway_layer_surface *sway_layer = wl_container_of(
 			listener, sway_layer, destroy);
+	wlr_log(L_DEBUG, "Layer surface destroyed (%s)",
+			sway_layer->layer_surface->namespace);
 	if (sway_layer->layer_surface->mapped) {
 		unmap(sway_layer->layer_surface);
 	}
@@ -243,12 +232,10 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
 	wl_list_remove(&sway_layer->surface_commit.link);
 	if (sway_layer->layer_surface->output != NULL) {
 		wl_list_remove(&sway_layer->output_destroy.link);
-		wl_list_remove(&sway_layer->output_mode.link);
-		wl_list_remove(&sway_layer->output_transform.link);
 	}
 	struct sway_output *output = sway_layer->layer_surface->output->data;
-	arrange_layers(output);
 	free(sway_layer);
+	arrange_layers(output);
 }
 
 static void handle_map(struct wl_listener *listener, void *data) {
@@ -289,14 +276,6 @@ void handle_layer_shell_surface(struct wl_listener *listener, void *data) {
 	wl_signal_add(&layer_surface->output->events.destroy,
 		&sway_layer->output_destroy);
 
-	sway_layer->output_mode.notify = handle_output_mode;
-	wl_signal_add(&layer_surface->output->events.mode,
-		&sway_layer->output_mode);
-
-	sway_layer->output_transform.notify = handle_output_transform;
-	wl_signal_add(&layer_surface->output->events.transform,
-		&sway_layer->output_transform);
-
 	sway_layer->destroy.notify = handle_destroy;
 	wl_signal_add(&layer_surface->events.destroy, &sway_layer->destroy);
 	sway_layer->map.notify = handle_map;

sway/desktop/output.c

@@ -268,6 +268,12 @@ static void handle_output_mode(struct wl_listener *listener, void *data) {
 	arrange_windows(output->swayc, -1, -1);
 }
 
+static void handle_output_transform(struct wl_listener *listener, void *data) {
+	struct sway_output *output = wl_container_of(listener, output, transform);
+	arrange_layers(output);
+	arrange_windows(output->swayc, -1, -1);
+}
+
 void handle_new_output(struct wl_listener *listener, void *data) {
 	struct sway_server *server = wl_container_of(listener, server, new_output);
 	struct wlr_output *wlr_output = data;
@@ -306,6 +312,8 @@ void handle_new_output(struct wl_listener *listener, void *data) {
 	output->destroy.notify = handle_output_destroy;
 	wl_signal_add(&wlr_output->events.mode, &output->mode);
 	output->mode.notify = handle_output_mode;
+	wl_signal_add(&wlr_output->events.transform, &output->transform);
+	output->transform.notify = handle_output_transform;
 
 	arrange_layers(output);
 	arrange_windows(&root_container, -1, -1);

sway/input/seat.c

@@ -6,6 +6,7 @@
 #include "sway/input/cursor.h"
 #include "sway/input/input-manager.h"
 #include "sway/input/keyboard.h"
+#include "sway/ipc-server.h"
 #include "sway/output.h"
 #include "sway/tree/view.h"
 #include "log.h"
@@ -309,18 +310,30 @@ void sway_seat_set_focus(struct sway_seat *seat, struct sway_container *containe
 		if (container->type == C_VIEW) {
 			struct sway_view *view = container->sway_view;
 			view_set_activated(view, true);
-			struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat->wlr_seat);
+			struct wlr_keyboard *keyboard =
+				wlr_seat_get_keyboard(seat->wlr_seat);
 			if (keyboard) {
-				wlr_seat_keyboard_notify_enter(seat->wlr_seat, view->surface,
-						keyboard->keycodes, keyboard->num_keycodes,
-						&keyboard->modifiers);
+				wlr_seat_keyboard_notify_enter(seat->wlr_seat,
+						view->surface, keyboard->keycodes,
+						keyboard->num_keycodes, &keyboard->modifiers);
 			} else {
-				wlr_seat_keyboard_notify_enter(seat->wlr_seat, view->surface,
-						NULL, 0, NULL);
+				wlr_seat_keyboard_notify_enter(
+						seat->wlr_seat, view->surface, NULL, 0, NULL);
 			}
 		}
 	}
 
+	if (last_focus) {
+		struct sway_container *last_ws = last_focus;
+		if (last_ws && last_ws->type != C_WORKSPACE) {
+			last_ws = container_parent(last_focus, C_WORKSPACE);
+		}
+		if (last_ws) {
+			wlr_log(L_DEBUG, "sending workspace event");
+			ipc_event_workspace(last_ws, container, "focus");
+		}
+	}
+
 	if (last_focus && last_focus->type == C_VIEW &&
 			!sway_input_manager_has_focus(seat->input, last_focus)) {
 		struct sway_view *view = last_focus->sway_view;

sway/ipc-json.c

@@ -9,6 +9,7 @@
 #include "sway/input/seat.h"
 #include <wlr/types/wlr_box.h>
 #include <wlr/types/wlr_output.h>
+#include "wlr-layer-shell-unstable-v1-protocol.h"
 
 json_object *ipc_json_get_version() {
 	int major = 0, minor = 0, patch = 0;
@@ -198,3 +199,136 @@ json_object *ipc_json_describe_input(struct sway_input_device *device) {
 
 	return object;
 }
+
+json_object *ipc_json_describe_bar_config(struct bar_config *bar) {
+	if (!sway_assert(bar, "Bar must not be NULL")) {
+		return NULL;
+	}
+
+	json_object *json = json_object_new_object();
+	json_object_object_add(json, "id", json_object_new_string(bar->id));
+	json_object_object_add(json, "mode", json_object_new_string(bar->mode));
+	json_object_object_add(json, "hidden_state",
+			json_object_new_string(bar->hidden_state));
+	json_object_object_add(json, "position",
+			json_object_new_string(bar->position));
+	json_object_object_add(json, "status_command",
+			json_object_new_string(bar->status_command));
+	json_object_object_add(json, "font",
+			json_object_new_string((bar->font) ? bar->font : config->font));
+	if (bar->separator_symbol) {
+		json_object_object_add(json, "separator_symbol",
+				json_object_new_string(bar->separator_symbol));
+	}
+	json_object_object_add(json, "bar_height",
+			json_object_new_int(bar->height));
+	json_object_object_add(json, "wrap_scroll",
+			json_object_new_boolean(bar->wrap_scroll));
+	json_object_object_add(json, "workspace_buttons",
+			json_object_new_boolean(bar->workspace_buttons));
+	json_object_object_add(json, "strip_workspace_numbers",
+			json_object_new_boolean(bar->strip_workspace_numbers));
+	json_object_object_add(json, "binding_mode_indicator",
+			json_object_new_boolean(bar->binding_mode_indicator));
+	json_object_object_add(json, "verbose",
+			json_object_new_boolean(bar->verbose));
+	json_object_object_add(json, "pango_markup",
+			json_object_new_boolean(bar->pango_markup));
+
+	json_object *colors = json_object_new_object();
+	json_object_object_add(colors, "background",
+			json_object_new_string(bar->colors.background));
+	json_object_object_add(colors, "statusline",
+			json_object_new_string(bar->colors.statusline));
+	json_object_object_add(colors, "separator",
+			json_object_new_string(bar->colors.separator));
+
+	if (bar->colors.focused_background) {
+		json_object_object_add(colors, "focused_background",
+				json_object_new_string(bar->colors.focused_background));
+	} else {
+		json_object_object_add(colors, "focused_background",
+				json_object_new_string(bar->colors.background));
+	}
+
+	if (bar->colors.focused_statusline) {
+		json_object_object_add(colors, "focused_statusline",
+				json_object_new_string(bar->colors.focused_statusline));
+	} else {
+		json_object_object_add(colors, "focused_statusline",
+				json_object_new_string(bar->colors.statusline));
+	}
+
+	if (bar->colors.focused_separator) {
+		json_object_object_add(colors, "focused_separator",
+				json_object_new_string(bar->colors.focused_separator));
+	} else {
+		json_object_object_add(colors, "focused_separator",
+				json_object_new_string(bar->colors.separator));
+	}
+
+	json_object_object_add(colors, "focused_workspace_border",
+			json_object_new_string(bar->colors.focused_workspace_border));
+	json_object_object_add(colors, "focused_workspace_bg",
+			json_object_new_string(bar->colors.focused_workspace_bg));
+	json_object_object_add(colors, "focused_workspace_text",
+			json_object_new_string(bar->colors.focused_workspace_text));
+
+	json_object_object_add(colors, "inactive_workspace_border",
+			json_object_new_string(bar->colors.inactive_workspace_border));
+	json_object_object_add(colors, "inactive_workspace_bg",
+			json_object_new_string(bar->colors.inactive_workspace_bg));
+	json_object_object_add(colors, "inactive_workspace_text",
+			json_object_new_string(bar->colors.inactive_workspace_text));
+
+	json_object_object_add(colors, "active_workspace_border",
+			json_object_new_string(bar->colors.active_workspace_border));
+	json_object_object_add(colors, "active_workspace_bg",
+			json_object_new_string(bar->colors.active_workspace_bg));
+	json_object_object_add(colors, "active_workspace_text",
+			json_object_new_string(bar->colors.active_workspace_text));
+
+	json_object_object_add(colors, "urgent_workspace_border",
+			json_object_new_string(bar->colors.urgent_workspace_border));
+	json_object_object_add(colors, "urgent_workspace_bg",
+			json_object_new_string(bar->colors.urgent_workspace_bg));
+	json_object_object_add(colors, "urgent_workspace_text",
+			json_object_new_string(bar->colors.urgent_workspace_text));
+
+	if (bar->colors.binding_mode_border) {
+		json_object_object_add(colors, "binding_mode_border",
+				json_object_new_string(bar->colors.binding_mode_border));
+	} else {
+		json_object_object_add(colors, "binding_mode_border",
+				json_object_new_string(bar->colors.urgent_workspace_border));
+	}
+
+	if (bar->colors.binding_mode_bg) {
+		json_object_object_add(colors, "binding_mode_bg",
+				json_object_new_string(bar->colors.binding_mode_bg));
+	} else {
+		json_object_object_add(colors, "binding_mode_bg",
+				json_object_new_string(bar->colors.urgent_workspace_bg));
+	}
+
+	if (bar->colors.binding_mode_text) {
+		json_object_object_add(colors, "binding_mode_text",
+				json_object_new_string(bar->colors.binding_mode_text));
+	} else {
+		json_object_object_add(colors, "binding_mode_text",
+				json_object_new_string(bar->colors.urgent_workspace_text));
+	}
+
+	json_object_object_add(json, "colors", colors);
+
+	// Add outputs if defined
+	if (bar->outputs && bar->outputs->length > 0) {
+		json_object *outputs = json_object_new_array();
+		for (int i = 0; i < bar->outputs->length; ++i) {
+			const char *name = bar->outputs->items[i];
+			json_object_array_add(outputs, json_object_new_string(name));
+		}
+		json_object_object_add(json, "outputs", outputs);
+	}
+	return json;
+}

sway/ipc-server.c

@@ -21,6 +21,7 @@
 #include "sway/ipc-server.h"
 #include "sway/server.h"
 #include "sway/input/input-manager.h"
+#include "sway/input/seat.h"
 #include "list.h"
 #include "log.h"
 
@@ -241,33 +242,10 @@ int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data) {
 }
 
 static void ipc_send_event(const char *json_string, enum ipc_command_type event) {
-	static struct {
-		enum ipc_command_type event;
-		enum ipc_feature feature;
-	} security_mappings[] = {
-		{ IPC_EVENT_WORKSPACE, IPC_FEATURE_EVENT_WORKSPACE },
-		{ IPC_EVENT_OUTPUT, IPC_FEATURE_EVENT_OUTPUT },
-		{ IPC_EVENT_MODE, IPC_FEATURE_EVENT_MODE },
-		{ IPC_EVENT_WINDOW, IPC_FEATURE_EVENT_WINDOW },
-		{ IPC_EVENT_BINDING, IPC_FEATURE_EVENT_BINDING },
-		{ IPC_EVENT_INPUT, IPC_FEATURE_EVENT_INPUT }
-	};
-
-	uint32_t security_mask = 0;
-	for (size_t i = 0; i < sizeof(security_mappings) / sizeof(security_mappings[0]); ++i) {
-		if (security_mappings[i].event == event) {
-			security_mask = security_mappings[i].feature;
-			break;
-		}
-	}
-
 	int i;
 	struct ipc_client *client;
 	for (i = 0; i < ipc_client_list->length; i++) {
 		client = ipc_client_list->items[i];
-		if (!(client->security_policy & security_mask)) {
-			continue;
-		}
 		if ((client->subscribed_events & event_mask(event)) == 0) {
 			continue;
 		}
@@ -279,6 +257,32 @@ static void ipc_send_event(const char *json_string, enum ipc_command_type event)
 	}
 }
 
+void ipc_event_workspace(struct sway_container *old,
+		struct sway_container *new, const char *change) {
+	wlr_log(L_DEBUG, "Sending workspace::%s event", change);
+	json_object *obj = json_object_new_object();
+	json_object_object_add(obj, "change", json_object_new_string(change));
+	if (strcmp("focus", change) == 0) {
+		if (old) {
+			json_object_object_add(obj, "old",
+					ipc_json_describe_container_recursive(old));
+		} else {
+			json_object_object_add(obj, "old", NULL);
+		}
+	}
+
+	if (new) {
+		json_object_object_add(obj, "current",
+				ipc_json_describe_container_recursive(new));
+	} else {
+		json_object_object_add(obj, "current", NULL);
+	}
+
+	const char *json_string = json_object_to_json_string(obj);
+	ipc_send_event(json_string, IPC_EVENT_WORKSPACE);
+	json_object_put(obj);
+}
+
 void ipc_event_window(struct sway_container *window, const char *change) {
 	wlr_log(L_DEBUG, "Sending window::%s event", change);
 	json_object *obj = json_object_new_object();
@@ -287,8 +291,26 @@ void ipc_event_window(struct sway_container *window, const char *change) {
 
 	const char *json_string = json_object_to_json_string(obj);
 	ipc_send_event(json_string, IPC_EVENT_WINDOW);
+	json_object_put(obj);
+}
 
-	json_object_put(obj); // free
+void ipc_event_barconfig_update(struct bar_config *bar) {
+	wlr_log(L_DEBUG, "Sending barconfig_update event");
+	json_object *json = ipc_json_describe_bar_config(bar);
+
+	const char *json_string = json_object_to_json_string(json);
+	ipc_send_event(json_string, IPC_EVENT_BARCONFIG_UPDATE);
+	json_object_put(json);
+}
+
+void ipc_event_mode(const char *mode) {
+	wlr_log(L_DEBUG, "Sending mode::%s event", mode);
+	json_object *obj = json_object_new_object();
+	json_object_object_add(obj, "change", json_object_new_string(mode));
+
+	const char *json_string = json_object_to_json_string(obj);
+	ipc_send_event(json_string, IPC_EVENT_MODE);
+	json_object_put(obj);
 }
 
 int ipc_client_handle_writable(int client_fd, uint32_t mask, void *data) {
@@ -357,6 +379,27 @@ void ipc_client_disconnect(struct ipc_client *client) {
 	free(client);
 }
 
+static void ipc_get_workspaces_callback(struct sway_container *workspace,
+		void *data) {
+	if (workspace->type != C_WORKSPACE) {
+		return;
+	}
+	json_object *workspace_json = ipc_json_describe_container(workspace);
+	// override the default focused indicator because
+	// it's set differently for the get_workspaces reply
+	struct sway_seat *seat =
+		sway_input_manager_get_default_seat(input_manager);
+	struct sway_container *focused_ws = sway_seat_get_focus(seat);
+	if (focused_ws->type != C_WORKSPACE) {
+		focused_ws = container_parent(focused_ws, C_WORKSPACE);
+	}
+	bool focused = workspace == focused_ws;
+	json_object_object_del(workspace_json, "focused");
+	json_object_object_add(workspace_json, "focused",
+			json_object_new_boolean(focused));
+	json_object_array_add((json_object *)data, workspace_json);
+}
+
 void ipc_client_handle_command(struct ipc_client *client) {
 	if (!sway_assert(client != NULL, "client != NULL")) {
 		return;
@@ -412,6 +455,17 @@ void ipc_client_handle_command(struct ipc_client *client) {
 		goto exit_cleanup;
 	}
 
+	case IPC_GET_WORKSPACES:
+	{
+		json_object *workspaces = json_object_new_array();
+		container_for_each_descendant_dfs(&root_container,
+				ipc_get_workspaces_callback, workspaces);
+		const char *json_string = json_object_to_json_string(workspaces);
+		ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
+		json_object_put(workspaces); // free
+		goto exit_cleanup;
+	}
+
 	case IPC_SUBSCRIBE:
 	{
 		// TODO: Check if they're permitted to use these events
@@ -446,7 +500,6 @@ void ipc_client_handle_command(struct ipc_client *client) {
 		}
 
 		json_object_put(request);
-
 		ipc_send_reply(client, "{\"success\": true}", 17);
 		goto exit_cleanup;
 	}
@@ -483,6 +536,41 @@ void ipc_client_handle_command(struct ipc_client *client) {
 		goto exit_cleanup;
 	}
 
+	case IPC_GET_BAR_CONFIG:
+	{
+		if (!buf[0]) {
+			// Send list of configured bar IDs
+			json_object *bars = json_object_new_array();
+			for (int i = 0; i < config->bars->length; ++i) {
+				struct bar_config *bar = config->bars->items[i];
+				json_object_array_add(bars, json_object_new_string(bar->id));
+			}
+			const char *json_string = json_object_to_json_string(bars);
+			ipc_send_reply(client, json_string, (uint32_t)strlen(json_string));
+			json_object_put(bars); // free
+		} else {
+			// Send particular bar's details
+			struct bar_config *bar = NULL;
+			for (int i = 0; i < config->bars->length; ++i) {
+				bar = config->bars->items[i];
+				if (strcmp(buf, bar->id) == 0) {
+					break;
+				}
+				bar = NULL;
+			}
+			if (!bar) {
+				const char *error = "{ \"success\": false, \"error\": \"No bar with that ID\" }";
+				ipc_send_reply(client, error, (uint32_t)strlen(error));
+				goto exit_cleanup;
+			}
+			json_object *json = ipc_json_describe_bar_config(bar);
+			const char *json_string = json_object_to_json_string(json);
+			ipc_send_reply(client, json_string, (uint32_t)strlen(json_string));
+			json_object_put(json); // free
+		}
+		goto exit_cleanup;
+	}
+
 	default:
 		wlr_log(L_INFO, "Unknown IPC command type %i", client->current_command);
 		goto exit_cleanup;

sway/meson.build

@@ -6,6 +6,7 @@ sway_sources = files(
 	'input/seat.c',
 	'input/cursor.c',
 	'input/keyboard.c',
+	'commands/bar.c',
 	'commands/bind.c',
 	'commands/exit.c',
 	'commands/exec.c',
@@ -15,10 +16,36 @@ sway_sources = files(
 	'commands/include.c',
 	'commands/input.c',
 	'commands/layout.c',
+	'commands/mode.c',
 	'commands/seat.c',
 	'commands/seat/attach.c',
 	'commands/seat/fallback.c',
 	'commands/set.c',
+	'commands/swaybg_command.c',
+	'commands/bar/activate_button.c',
+	'commands/bar/binding_mode_indicator.c',
+	'commands/bar/bindsym.c',
+	'commands/bar/colors.c',
+	'commands/bar/context_button.c',
+	'commands/bar/font.c',
+	'commands/bar/height.c',
+	'commands/bar/hidden_state.c',
+	'commands/bar/icon_theme.c',
+	'commands/bar/id.c',
+	'commands/bar/mode.c',
+	'commands/bar/modifier.c',
+	'commands/bar/output.c',
+	'commands/bar/pango_markup.c',
+	'commands/bar/position.c',
+	'commands/bar/secondary_button.c',
+	'commands/bar/separator_symbol.c',
+	'commands/bar/status_command.c',
+	'commands/bar/strip_workspace_numbers.c',
+	'commands/bar/swaybar_command.c',
+	'commands/bar/tray_output.c',
+	'commands/bar/tray_padding.c',
+	'commands/bar/workspace_buttons.c',
+	'commands/bar/wrap_scroll.c',
 	'commands/input/accel_profile.c',
 	'commands/input/click_method.c',
 	'commands/input/drag_lock.c',
@@ -39,6 +66,7 @@ sway_sources = files(
 	'commands/reload.c',
 	'commands/workspace.c',
 	'config.c',
+	'config/bar.c',
 	'config/output.c',
 	'config/seat.c',
 	'config/input.c',

sway/server.c

@@ -8,6 +8,8 @@
 #include <wlr/render/gles2.h>
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_layer_shell.h>
+#include <wlr/types/wlr_screenshooter.h>
+#include <wlr/types/wlr_gamma_control.h>
 #include <wlr/types/wlr_wl_shell.h>
 // TODO WLR: make Xwayland optional
 #include <wlr/xwayland.h>
@@ -45,10 +47,12 @@ bool server_init(struct sway_server *server) {
 
 	server->compositor = wlr_compositor_create(
 			server->wl_display, server->renderer);
-
 	server->data_device_manager =
 		wlr_data_device_manager_create(server->wl_display);
 
+	wlr_screenshooter_create(server->wl_display);
+	wlr_gamma_control_manager_create(server->wl_display);
+
 	server->new_output.notify = handle_new_output;
 	wl_signal_add(&server->backend->events.new_output, &server->new_output);
 

sway/sway.5.txt

@@ -43,6 +43,9 @@ The following commands may only be used in the configuration file.
 	Sets variable $name to _value_. You can use the new variable in the arguments
 	of future commands.
 
+**swaybg_command** <command>::
+	Executes custom bg command, default is _swaybg_.
+
 The following commands cannot be used directly in the configuration file.
 They are expected to be used with **bindsym** or at runtime through **swaymsg**(1).
 

sway/tree/container.c

@@ -131,8 +131,8 @@ struct sway_container *container_output_create(
 	}
 
 	apply_output_config(oc, output);
-
 	container_add_child(&root_container, output);
+	load_swaybars();
 
 	// Create workspace
 	char *ws_name = workspace_next_name(output->name);

swaybar/bar.c

@@ -1,390 +1,198 @@
 #define _XOPEN_SOURCE 500
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
+#include <assert.h>
 #include <errno.h>
-#include <sys/wait.h>
-#include <signal.h>
+#include <fcntl.h>
 #include <poll.h>
-#ifdef __FreeBSD__
-#include <dev/evdev/input-event-codes.h>
-#else
-#include <linux/input-event-codes.h>
-#endif
-#ifdef ENABLE_TRAY
-#include <dbus/dbus.h>
-#include "swaybar/tray/sni_watcher.h"
-#include "swaybar/tray/tray.h"
-#include "swaybar/tray/sni.h"
-#endif
-#include "swaybar/ipc.h"
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <wayland-client.h>
+#include <wlr/util/log.h>
 #include "swaybar/render.h"
 #include "swaybar/config.h"
-#include "swaybar/status_line.h"
 #include "swaybar/event_loop.h"
+#include "swaybar/status_line.h"
 #include "swaybar/bar.h"
+#include "swaybar/ipc.h"
 #include "ipc-client.h"
 #include "list.h"
-#include "log.h"
+#include "pango.h"
+#include "pool-buffer.h"
+#include "wlr-layer-shell-unstable-v1-client-protocol.h"
 
-static void bar_init(struct bar *bar) {
+static void bar_init(struct swaybar *bar) {
 	bar->config = init_config();
-	bar->status = init_status_line();
-	bar->outputs = create_list();
+	wl_list_init(&bar->outputs);
 }
 
-static void spawn_status_cmd_proc(struct bar *bar) {
-	if (bar->config->status_command) {
-		int pipe_read_fd[2];
-		int pipe_write_fd[2];
-
-		if (pipe(pipe_read_fd) != 0) {
-			sway_log(L_ERROR, "Unable to create pipes for status_command fork");
-			return;
-		}
-		if (pipe(pipe_write_fd) != 0) {
-			sway_log(L_ERROR, "Unable to create pipe for status_command fork (write)");
-			close(pipe_read_fd[0]);
-			close(pipe_read_fd[1]);
-			return;
-		}
-
-		bar->status_command_pid = fork();
-		if (bar->status_command_pid == 0) {
-			close(pipe_read_fd[0]);
-			dup2(pipe_read_fd[1], STDOUT_FILENO);
-			close(pipe_read_fd[1]);
-			
-			dup2(pipe_write_fd[0], STDIN_FILENO);
-			close(pipe_write_fd[0]);
-			close(pipe_write_fd[1]);
-			
-			char *const cmd[] = {
-				"sh",
-				"-c",
-				bar->config->status_command,
-				NULL,
-			};
-			execvp(cmd[0], cmd);
-			return;
-		}
-
-		close(pipe_read_fd[1]);
-		bar->status_read_fd = pipe_read_fd[0];
-		fcntl(bar->status_read_fd, F_SETFL, O_NONBLOCK);
-		
-		close(pipe_write_fd[0]);
-		bar->status_write_fd = pipe_write_fd[1];
-		fcntl(bar->status_write_fd, F_SETFL, O_NONBLOCK);
-	}
-}
-
-struct output *new_output(const char *name) {
-	struct output *output = malloc(sizeof(struct output));
+struct swaybar_output *new_output(const char *name) {
+	struct swaybar_output *output = malloc(sizeof(struct swaybar_output));
 	output->name = strdup(name);
-	output->window = NULL;
-	output->registry = NULL;
-	output->workspaces = create_list();
-#ifdef ENABLE_TRAY
-	output->items = create_list();
-#endif
 	return output;
 }
 
-static void mouse_button_notify(struct window *window, int x, int y,
-		uint32_t button, uint32_t state_w) {
-	sway_log(L_DEBUG, "Mouse button %d clicked at %d %d %d", button, x, y, state_w);
-	if (!state_w) {
-		return;
-	}
-
-	struct output *clicked_output = NULL;
-	for (int i = 0; i < swaybar.outputs->length; i++) {
-		struct output *output = swaybar.outputs->items[i];
-		if (window == output->window) {
-			clicked_output = output;
-			break;
-		}
-	}
-
-	if (!sway_assert(clicked_output != NULL, "Got pointer event for non-existing output")) {
-		return;
-	}
-
-	double button_x = 0.5;
-	for (int i = 0; i < clicked_output->workspaces->length; i++) {
-		struct workspace *workspace = clicked_output->workspaces->items[i];
-		int button_width, button_height;
-
-		workspace_button_size(window, workspace->name, &button_width, &button_height);
-
-		button_x += button_width;
-		if (x <= button_x) {
-			ipc_send_workspace_command(workspace->name);
-			break;
-		}
-	}
-
-	switch (button) {
-	case BTN_LEFT:
-		status_line_mouse_event(&swaybar, x, y, 1);
-		break;
-	case BTN_MIDDLE:
-		status_line_mouse_event(&swaybar, x, y, 2);
-		break;
-	case BTN_RIGHT:
-		status_line_mouse_event(&swaybar, x, y, 3);
-		break;
-	}
-
-#ifdef ENABLE_TRAY
-	tray_mouse_event(clicked_output, x, y, button, state_w);
-#endif
-
+static void layer_surface_configure(void *data,
+		struct zwlr_layer_surface_v1 *surface,
+		uint32_t serial, uint32_t width, uint32_t height) {
+	struct swaybar_output *output = data;
+	output->width = width;
+	output->height = height;
+	zwlr_layer_surface_v1_ack_configure(surface, serial);
+	render_frame(output->bar, output);
 }
 
-static void mouse_scroll_notify(struct window *window, enum scroll_direction direction) {
-	sway_log(L_DEBUG, "Mouse wheel scrolled %s", direction == SCROLL_UP ? "up" : "down");
-
-	// If there are status blocks and click_events are enabled
-	// check if the position is within the status area and if so
-	// tell the status line to output the event and skip workspace
-	// switching below.
-	int num_blocks = swaybar.status->block_line->length;
-	if (swaybar.status->click_events && num_blocks > 0) {
-		struct status_block *first_block = swaybar.status->block_line->items[0];
-		int x = window->pointer_input.last_x;
-		int y = window->pointer_input.last_y;
-		if (x > first_block->x) {
-			if (direction == SCROLL_UP) {
-				status_line_mouse_event(&swaybar, x, y, 4);
-			} else {
-				status_line_mouse_event(&swaybar, x, y, 5);
-			}
-			return;
-		}
-	}
-
-	if (!swaybar.config->wrap_scroll) {
-		// Find output this window lives on
-		int i;
-		struct output *output = NULL;
-		for (i = 0; i < swaybar.outputs->length; ++i) {
-			output = swaybar.outputs->items[i];
-			if (output->window == window) {
-				break;
-			}
-		}
-		if (!sway_assert(i != swaybar.outputs->length, "Unknown window in scroll event")) {
-			return;
-		}
-		int focused = -1;
-		for (i = 0; i < output->workspaces->length; ++i) {
-			struct workspace *ws = output->workspaces->items[i];
-			if (ws->focused) {
-				focused = i;
-				break;
-			}
-		}
-		if (!sway_assert(focused != -1, "Scroll wheel event received on inactive output")) {
-			return;
-		}
-		if ((focused == 0 && direction == SCROLL_UP) ||
-				(focused == output->workspaces->length - 1 && direction == SCROLL_DOWN)) {
-			// Do not wrap
-			return;
-		}
-	}
-
-	const char *workspace_name = direction == SCROLL_UP ? "prev_on_output" : "next_on_output";
-	ipc_send_workspace_command(workspace_name);
+static void layer_surface_closed(void *_output,
+		struct zwlr_layer_surface_v1 *surface) {
+	// TODO: Deal with hotplugging
+	struct swaybar_output *output = _output;
+	zwlr_layer_surface_v1_destroy(output->layer_surface);
+	wl_surface_destroy(output->surface);
 }
 
-void bar_setup(struct bar *bar, const char *socket_path, const char *bar_id) {
-	/* initialize bar with default values */
+struct zwlr_layer_surface_v1_listener layer_surface_listener = {
+	.configure = layer_surface_configure,
+	.closed = layer_surface_closed,
+};
+
+static void handle_global(void *data, struct wl_registry *registry,
+		uint32_t name, const char *interface, uint32_t version) {
+	struct swaybar *bar = data;
+	if (strcmp(interface, wl_compositor_interface.name) == 0) {
+		bar->compositor = wl_registry_bind(registry, name,
+				&wl_compositor_interface, 1);
+	} else if (strcmp(interface, wl_shm_interface.name) == 0) {
+		bar->shm = wl_registry_bind(registry, name,
+				&wl_shm_interface, 1);
+	} else if (strcmp(interface, wl_output_interface.name) == 0) {
+		static size_t index = 0;
+		struct swaybar_output *output =
+			calloc(1, sizeof(struct swaybar_output));
+		output->bar = bar;
+		output->output = wl_registry_bind(registry, name,
+				&wl_output_interface, 1);
+		output->index = index++;
+		wl_list_init(&output->workspaces);
+		wl_list_insert(&bar->outputs, &output->link);
+	} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
+		bar->layer_shell = wl_registry_bind(
+				registry, name, &zwlr_layer_shell_v1_interface, 1);
+	}
+}
+
+static void handle_global_remove(void *data, struct wl_registry *registry,
+		uint32_t name) {
+	// who cares
+}
+
+static const struct wl_registry_listener registry_listener = {
+	.global = handle_global,
+	.global_remove = handle_global_remove,
+};
+
+static void render_all_frames(struct swaybar *bar) {
+	struct swaybar_output *output;
+	wl_list_for_each(output, &bar->outputs, link) {
+		render_frame(bar, output);
+	}
+}
+
+void bar_setup(struct swaybar *bar,
+		const char *socket_path, const char *bar_id) {
 	bar_init(bar);
-
-	/* Initialize event loop lists */
 	init_event_loop();
 
-	/* connect to sway ipc */
 	bar->ipc_socketfd = ipc_open_socket(socket_path);
 	bar->ipc_event_socketfd = ipc_open_socket(socket_path);
-
-	ipc_bar_init(bar, bar_id);
-
-	int i;
-	for (i = 0; i < bar->outputs->length; ++i) {
-		struct output *bar_output = bar->outputs->items[i];
-
-		bar_output->registry = registry_poll();
-
-		if (!bar_output->registry->desktop_shell) {
-			sway_abort("swaybar requires the compositor to support the desktop-shell extension.");
-		}
-
-		struct output_state *output = bar_output->registry->outputs->items[bar_output->idx];
-
-		bar_output->window = window_setup(bar_output->registry,
-				output->width / output->scale, 30, output->scale, false);
-		if (!bar_output->window) {
-			sway_abort("Failed to create window.");
-		}
-		desktop_shell_set_panel(bar_output->registry->desktop_shell,
-				output->output, bar_output->window->surface);
-		desktop_shell_set_panel_position(bar_output->registry->desktop_shell,
-				bar->config->position);
-
-		window_make_shell(bar_output->window);
-
-		/* set font */
-		bar_output->window->font = bar->config->font;
-
-		/* set mouse event callbacks */
-		bar_output->window->pointer_input.notify_button = mouse_button_notify;
-		bar_output->window->pointer_input.notify_scroll = mouse_scroll_notify;
-
-		/* set window height */
-		set_window_height(bar_output->window, bar->config->height);
-	}
-	/* spawn status command */
-	spawn_status_cmd_proc(bar);
-
-#ifdef ENABLE_TRAY
-	init_tray(bar);
-#endif
-}
-
-bool dirty = true;
-
-static void respond_ipc(int fd, short mask, void *_bar) {
-	struct bar *bar = (struct bar *)_bar;
-	sway_log(L_DEBUG, "Got IPC event.");
-	dirty = handle_ipc_event(bar);
-}
-
-static void respond_command(int fd, short mask, void *_bar) {
-	struct bar *bar = (struct bar *)_bar;
-	dirty = handle_status_line(bar);
-}
-
-static void respond_output(int fd, short mask, void *_output) {
-	struct output *output = (struct output *)_output;
-	if (wl_display_dispatch(output->registry->display) == -1) {
-		sway_log(L_ERROR, "failed to dispatch wl: %d", errno);
-	}
-}
-
-void bar_run(struct bar *bar) {
-	add_event(bar->ipc_event_socketfd, POLLIN, respond_ipc, bar);
-	add_event(bar->status_read_fd, POLLIN, respond_command, bar);
-
-	int i;
-	for (i = 0; i < bar->outputs->length; ++i) {
-		struct output *output = bar->outputs->items[i];
-		add_event(wl_display_get_fd(output->registry->display),
-				POLLIN, respond_output, output);
+	ipc_initialize(bar, bar_id);
+	if (bar->config->status_command) {
+		bar->status = status_line_init(bar->config->status_command);
 	}
 
-	while (1) {
-		if (dirty) {
-			int i;
-			for (i = 0; i < bar->outputs->length; ++i) {
-				struct output *output = bar->outputs->items[i];
-				if (window_prerender(output->window) && output->window->cairo) {
-					render(output, bar->config, bar->status);
-					window_render(output->window);
-					wl_display_flush(output->registry->display);
-				}
+	assert(bar->display = wl_display_connect(NULL));
+
+	struct wl_registry *registry = wl_display_get_registry(bar->display);
+	wl_registry_add_listener(registry, &registry_listener, bar);
+	wl_display_roundtrip(bar->display);
+	assert(bar->compositor && bar->layer_shell && bar->shm);
+
+	// TODO: we might not necessarily be meant to do all of the outputs
+	struct swaybar_output *output;
+	wl_list_for_each(output, &bar->outputs, link) {
+		struct config_output *coutput;
+		wl_list_for_each(coutput, &bar->config->outputs, link) {
+			if (coutput->index != output->index) {
+				continue;
 			}
+			output->name = strdup(coutput->name);
+			assert(output->surface = wl_compositor_create_surface(
+					bar->compositor));
+			output->layer_surface = zwlr_layer_shell_v1_get_layer_surface(
+					bar->layer_shell, output->surface, output->output,
+					ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM, "panel");
+			assert(output->layer_surface);
+			zwlr_layer_surface_v1_add_listener(output->layer_surface,
+					&layer_surface_listener, output);
+			zwlr_layer_surface_v1_set_anchor(output->layer_surface,
+					bar->config->position);
+			break;
 		}
+	}
+	ipc_get_workspaces(bar);
+	render_all_frames(bar);
+}
 
-		dirty = false;
+static void display_in(int fd, short mask, void *_bar) {
+	struct swaybar *bar = (struct swaybar *)_bar;
+	if (wl_display_dispatch(bar->display) == -1) {
+		bar_teardown(bar);
+		exit(0);
+	}
+}
 
+static void ipc_in(int fd, short mask, void *_bar) {
+	struct swaybar *bar = (struct swaybar *)_bar;
+	if (handle_ipc_event(bar)) {
+		render_all_frames(bar);
+	}
+}
+
+static void status_in(int fd, short mask, void *_bar) {
+	struct swaybar *bar = (struct swaybar *)_bar;
+	if (handle_status_readable(bar->status)) {
+		render_all_frames(bar);
+	}
+}
+
+void bar_run(struct swaybar *bar) {
+	add_event(wl_display_get_fd(bar->display), POLLIN, display_in, bar);
+	add_event(bar->ipc_event_socketfd, POLLIN, ipc_in, bar);
+	if (bar->status) {
+		add_event(bar->status->read_fd, POLLIN, status_in, bar);
+	}
+	while (1) {
 		event_loop_poll();
-#ifdef ENABLE_TRAY
-		dispatch_dbus();
-#endif
 	}
 }
 
-void free_workspaces(list_t *workspaces) {
-	int i;
-	for (i = 0; i < workspaces->length; ++i) {
-		struct workspace *ws = workspaces->items[i];
-		free(ws->name);
-		free(ws);
-	}
-	list_free(workspaces);
-}
-
-static void free_output(struct output *output) {
-	window_teardown(output->window);
-	if (output->registry) {
-		registry_teardown(output->registry);
-	}
-
-	free(output->name);
-
-	if (output->workspaces) {
-		free_workspaces(output->workspaces);
-	}
-
-	free(output);
-}
-
-static void free_outputs(list_t *outputs) {
-	int i;
-	for (i = 0; i < outputs->length; ++i) {
-		free_output(outputs->items[i]);
-	}
-	list_free(outputs);
-}
-
-static void terminate_status_command(pid_t pid) {
-	if (pid) {
-		// terminate status_command process
-		int ret = kill(pid, SIGTERM);
-		if (ret != 0) {
-			sway_log(L_ERROR, "Unable to terminate status_command [pid: %d]", pid);
-		} else {
-			int status;
-			waitpid(pid, &status, 0);
-		}
+static void free_outputs(struct wl_list *list) {
+	struct swaybar_output *output, *tmp;
+	wl_list_for_each_safe(output, tmp, list, link) {
+		wl_list_remove(&output->link);
+		free(output->name);
+		free(output);
 	}
 }
 
-void bar_teardown(struct bar *bar) {
+void bar_teardown(struct swaybar *bar) {
+	free_outputs(&bar->outputs);
 	if (bar->config) {
 		free_config(bar->config);
 	}
-
-	if (bar->outputs) {
-		free_outputs(bar->outputs);
-	}
-
+	close(bar->ipc_event_socketfd);
+	close(bar->ipc_socketfd);
 	if (bar->status) {
-		free_status_line(bar->status);
+		status_line_free(bar->status);
 	}
-
-	/* close sockets/pipes */
-	if (bar->status_read_fd) {
-		close(bar->status_read_fd);
-	}
-
-	if (bar->status_write_fd) {
-		close(bar->status_write_fd);
-	}
-
-	if (bar->ipc_socketfd) {
-		close(bar->ipc_socketfd);
-	}
-
-	if (bar->ipc_event_socketfd) {
-		close(bar->ipc_event_socketfd);
-	}
-
-	/* terminate status command process */
-	terminate_status_command(bar->status_command_pid);
 }

swaybar/config.c

@@ -1,40 +1,32 @@
 #define _XOPEN_SOURCE 500
 #include <stdlib.h>
 #include <string.h>
-#include "wayland-desktop-shell-client-protocol.h"
-#include "log.h"
 #include "swaybar/config.h"
+#include "wlr-layer-shell-unstable-v1-client-protocol.h"
 
 uint32_t parse_position(const char *position) {
+	uint32_t horiz = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
+		ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
+	uint32_t vert = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
+		ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
 	if (strcmp("top", position) == 0) {
-		return DESKTOP_SHELL_PANEL_POSITION_TOP;
+		return ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | horiz;
 	} else if (strcmp("bottom", position) == 0) {
-		return DESKTOP_SHELL_PANEL_POSITION_BOTTOM;
+		return ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM | horiz;
 	} else if (strcmp("left", position) == 0) {
-		return DESKTOP_SHELL_PANEL_POSITION_LEFT;
+		return ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | vert;
 	} else if (strcmp("right", position) == 0) {
-		return DESKTOP_SHELL_PANEL_POSITION_RIGHT;
+		return ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT | vert;
 	} else {
-		return DESKTOP_SHELL_PANEL_POSITION_BOTTOM;
+		return ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM | horiz;
 	}
 }
 
-char *parse_font(const char *font) {
-	char *new_font = NULL;
-	if (strncmp("pango:", font, 6) == 0) {
-		font += 6;
-	}
-
-	new_font = strdup(font);
-
-	return new_font;
-}
-
-struct config *init_config() {
-	struct config *config = calloc(1, sizeof(struct config));
+struct swaybar_config *init_config() {
+	struct swaybar_config *config = calloc(1, sizeof(struct swaybar_config));
 	config->status_command = NULL;
 	config->pango_markup = false;
-	config->position = DESKTOP_SHELL_PANEL_POSITION_BOTTOM;
+	config->position = parse_position("bottom");
 	config->font = strdup("monospace 10");
 	config->mode = NULL;
 	config->sep_symbol = NULL;
@@ -42,27 +34,16 @@ struct config *init_config() {
 	config->binding_mode_indicator = true;
 	config->wrap_scroll = false;
 	config->workspace_buttons = true;
-	config->all_outputs = false;
-	config->outputs = create_list();
+	wl_list_init(&config->outputs);
 
 	/* height */
 	config->height = 0;
 
-#ifdef ENABLE_TRAY
-	config->tray_output = NULL;
-	config->icon_theme = NULL;
-	config->tray_padding = 2;
-	/**
-	 * These constants are used by wayland and are defined in
-	 * linux/input-event-codes.h
-	 */
-	config->activate_button = 0x110; /* BTN_LEFT */
-	config->context_button = 0x111; /* BTN_RIGHT */
-#endif
-
 	/* colors */
 	config->colors.background = 0x000000FF;
+	config->colors.focused_background = 0x000000FF;
 	config->colors.statusline = 0xFFFFFFFF;
+	config->colors.focused_statusline = 0xFFFFFFFF;
 	config->colors.separator = 0x666666FF;
 
 	config->colors.focused_workspace.border = 0x4C7899FF;
@@ -88,7 +69,7 @@ struct config *init_config() {
 	return config;
 }
 
-void free_config(struct config *config) {
+void free_config(struct swaybar_config *config) {
 	free(config->status_command);
 	free(config->font);
 	free(config->mode);

swaybar/event_loop.c

@@ -4,19 +4,18 @@
 #include <string.h>
 #include <strings.h>
 #include <poll.h>
-#include "swaybar/bar.h"
+#include <time.h>
 #include "swaybar/event_loop.h"
 #include "list.h"
-#include "log.h"
 
 struct event_item {
-	void(*cb)(int fd, short mask, void *data);
+	void (*cb)(int fd, short mask, void *data);
 	void *data;
 };
 
 struct timer_item {
 	timer_t timer;
-	void(*cb)(timer_t timer, void *data);
+	void (*cb)(timer_t timer, void *data);
 	void *data;
 };
 
@@ -138,7 +137,8 @@ void event_loop_poll() {
 void init_event_loop() {
 	event_loop.fds.length = 0;
 	event_loop.fds.capacity = 10;
-	event_loop.fds.items = malloc(event_loop.fds.capacity * sizeof(struct pollfd));
+	event_loop.fds.items = malloc(
+			event_loop.fds.capacity * sizeof(struct pollfd));
 	event_loop.items = create_list();
 	event_loop.timers = create_list();
 }

swaybar/ipc.c

@@ -1,37 +1,132 @@
 #define _XOPEN_SOURCE 500
+#include <limits.h>
 #include <string.h>
 #include <strings.h>
 #include <json-c/json.h>
+#include <wlr/util/log.h>
 #include "swaybar/config.h"
 #include "swaybar/ipc.h"
 #include "ipc-client.h"
-#include "list.h"
-#include "log.h"
 
-void ipc_send_workspace_command(const char *workspace_name) {
-	uint32_t size = strlen("workspace \"\"") + strlen(workspace_name) + 1;
-
-	char command[size];
-	sprintf(command, "workspace \"%s\"", workspace_name);
-
-	ipc_single_command(swaybar.ipc_socketfd, IPC_COMMAND, command, &size);
+char *parse_font(const char *font) {
+	char *new_font = NULL;
+	if (strncmp("pango:", font, 6) == 0) {
+		font += 6;
+	}
+	new_font = strdup(font);
+	return new_font;
 }
 
-static void ipc_parse_config(struct config *config, const char *payload) {
+static void ipc_parse_colors(
+		struct swaybar_config *config, json_object *colors) {
+	json_object *background, *statusline, *separator;
+	json_object *focused_background, *focused_statusline, *focused_separator;
+	json_object *focused_workspace_border, *focused_workspace_bg, *focused_workspace_text;
+	json_object *inactive_workspace_border, *inactive_workspace_bg, *inactive_workspace_text;
+	json_object *active_workspace_border, *active_workspace_bg, *active_workspace_text;
+	json_object *urgent_workspace_border, *urgent_workspace_bg, *urgent_workspace_text;
+	json_object *binding_mode_border, *binding_mode_bg, *binding_mode_text;
+	json_object_object_get_ex(colors, "background", &background);
+	json_object_object_get_ex(colors, "statusline", &statusline);
+	json_object_object_get_ex(colors, "separator", &separator);
+	json_object_object_get_ex(colors, "focused_background", &focused_background);
+	json_object_object_get_ex(colors, "focused_statusline", &focused_statusline);
+	json_object_object_get_ex(colors, "focused_separator", &focused_separator);
+	json_object_object_get_ex(colors, "focused_workspace_border", &focused_workspace_border);
+	json_object_object_get_ex(colors, "focused_workspace_bg", &focused_workspace_bg);
+	json_object_object_get_ex(colors, "focused_workspace_text", &focused_workspace_text);
+	json_object_object_get_ex(colors, "active_workspace_border", &active_workspace_border);
+	json_object_object_get_ex(colors, "active_workspace_bg", &active_workspace_bg);
+	json_object_object_get_ex(colors, "active_workspace_text", &active_workspace_text);
+	json_object_object_get_ex(colors, "inactive_workspace_border", &inactive_workspace_border);
+	json_object_object_get_ex(colors, "inactive_workspace_bg", &inactive_workspace_bg);
+	json_object_object_get_ex(colors, "inactive_workspace_text", &inactive_workspace_text);
+	json_object_object_get_ex(colors, "urgent_workspace_border", &urgent_workspace_border);
+	json_object_object_get_ex(colors, "urgent_workspace_bg", &urgent_workspace_bg);
+	json_object_object_get_ex(colors, "urgent_workspace_text", &urgent_workspace_text);
+	json_object_object_get_ex(colors, "binding_mode_border", &binding_mode_border);
+	json_object_object_get_ex(colors, "binding_mode_bg", &binding_mode_bg);
+	json_object_object_get_ex(colors, "binding_mode_text", &binding_mode_text);
+	if (background) {
+		config->colors.background = parse_color(
+				json_object_get_string(background));
+	}
+	if (statusline) {
+		config->colors.statusline = parse_color(
+				json_object_get_string(statusline));
+	}
+	if (separator) {
+		config->colors.separator = parse_color(
+				json_object_get_string(separator));
+	}
+	if (focused_background) {
+		config->colors.focused_background = parse_color(
+				json_object_get_string(focused_background));
+	}
+	if (focused_statusline) {
+		config->colors.focused_statusline = parse_color(
+				json_object_get_string(focused_statusline));
+	}
+	if (focused_separator) {
+		config->colors.focused_separator = parse_color(
+				json_object_get_string(focused_separator));
+	}
+	if (focused_workspace_border) {
+		config->colors.focused_workspace.border = parse_color(
+				json_object_get_string(focused_workspace_border));
+	}
+	if (focused_workspace_bg) {
+		config->colors.focused_workspace.background = parse_color(
+				json_object_get_string(focused_workspace_bg));
+	}
+	if (focused_workspace_text) {
+		config->colors.focused_workspace.text = parse_color(
+				json_object_get_string(focused_workspace_text));
+	}
+	if (active_workspace_border) {
+		config->colors.active_workspace.border = parse_color(
+				json_object_get_string(active_workspace_border));
+	}
+	if (active_workspace_bg) {
+		config->colors.active_workspace.background = parse_color(
+				json_object_get_string(active_workspace_bg));
+	}
+	if (active_workspace_text) {
+		config->colors.active_workspace.text = parse_color(
+				json_object_get_string(active_workspace_text));
+	}
+	if (inactive_workspace_border) {
+		config->colors.inactive_workspace.border = parse_color(
+				json_object_get_string(inactive_workspace_border));
+	}
+	if (inactive_workspace_bg) {
+		config->colors.inactive_workspace.background = parse_color(
+				json_object_get_string(inactive_workspace_bg));
+	}
+	if (inactive_workspace_text) {
+		config->colors.inactive_workspace.text = parse_color(
+				json_object_get_string(inactive_workspace_text));
+	}
+	if (binding_mode_border) {
+		config->colors.binding_mode.border = parse_color(
+				json_object_get_string(binding_mode_border));
+	}
+	if (binding_mode_bg) {
+		config->colors.binding_mode.background = parse_color(
+				json_object_get_string(binding_mode_bg));
+	}
+	if (binding_mode_text) {
+		config->colors.binding_mode.text = parse_color(
+				json_object_get_string(binding_mode_text));
+	}
+}
+
+static void ipc_parse_config(
+		struct swaybar_config *config, const char *payload) {
 	json_object *bar_config = json_tokener_parse(payload);
 	json_object *markup, *mode, *hidden_bar, *position, *status_command;
 	json_object *font, *bar_height, *wrap_scroll, *workspace_buttons, *strip_workspace_numbers;
 	json_object *binding_mode_indicator, *verbose, *colors, *sep_symbol, *outputs;
-#ifdef ENABLE_TRAY
-	json_object *tray_output, *icon_theme, *tray_padding, *activate_button, *context_button;
-	json_object *secondary_button;
-	json_object_object_get_ex(bar_config, "tray_output", &tray_output);
-	json_object_object_get_ex(bar_config, "icon_theme", &icon_theme);
-	json_object_object_get_ex(bar_config, "tray_padding", &tray_padding);
-	json_object_object_get_ex(bar_config, "activate_button", &activate_button);
-	json_object_object_get_ex(bar_config, "context_button", &context_button);
-	json_object_object_get_ex(bar_config, "secondary_button", &secondary_button);
-#endif
 	json_object_object_get_ex(bar_config, "mode", &mode);
 	json_object_object_get_ex(bar_config, "hidden_bar", &hidden_bar);
 	json_object_object_get_ex(bar_config, "position", &position);
@@ -47,230 +142,98 @@ static void ipc_parse_config(struct config *config, const char *payload) {
 	json_object_object_get_ex(bar_config, "colors", &colors);
 	json_object_object_get_ex(bar_config, "outputs", &outputs);
 	json_object_object_get_ex(bar_config, "pango_markup", &markup);
-
 	if (status_command) {
 		free(config->status_command);
 		config->status_command = strdup(json_object_get_string(status_command));
 	}
-
 	if (position) {
 		config->position = parse_position(json_object_get_string(position));
 	}
-
 	if (font) {
 		free(config->font);
 		config->font = parse_font(json_object_get_string(font));
 	}
-
 	if (sep_symbol) {
 		free(config->sep_symbol);
 		config->sep_symbol = strdup(json_object_get_string(sep_symbol));
 	}
-
 	if (strip_workspace_numbers) {
 		config->strip_workspace_numbers = json_object_get_boolean(strip_workspace_numbers);
 	}
-
 	if (binding_mode_indicator) {
 		config->binding_mode_indicator = json_object_get_boolean(binding_mode_indicator);
 	}
-
 	if (wrap_scroll) {
 		config->wrap_scroll = json_object_get_boolean(wrap_scroll);
 	}
-
 	if (workspace_buttons) {
 		config->workspace_buttons = json_object_get_boolean(workspace_buttons);
 	}
-
 	if (bar_height) {
 		config->height = json_object_get_int(bar_height);
 	}
-
 	if (markup) {
 		config->pango_markup = json_object_get_boolean(markup);
 	}
 
-#ifdef ENABLE_TRAY
-	if (tray_output) {
-		free(config->tray_output);
-		config->tray_output = strdup(json_object_get_string(tray_output));
+	struct config_output *output, *tmp;
+	wl_list_for_each_safe(output, tmp, &config->outputs, link) {
+		wl_list_remove(&output->link);
+		free(output->name);
+		free(output);
 	}
-
-	if (icon_theme) {
-		free(config->icon_theme);
-		config->icon_theme = strdup(json_object_get_string(icon_theme));
-	}
-
-	if (tray_padding) {
-		config->tray_padding = json_object_get_int(tray_padding);
-	}
-
-	if (activate_button) {
-		config->activate_button = json_object_get_int(activate_button);
-	}
-
-	if (context_button) {
-		config->context_button = json_object_get_int(context_button);
-	}
-
-	if (secondary_button) {
-		config->secondary_button = json_object_get_int(secondary_button);
-	}
-#endif
-
-	// free previous outputs list
-	int i;
-	for (i = 0; i < config->outputs->length; ++i) {
-		free(config->outputs->items[i]);
-	}
-	list_free(config->outputs);
-	config->outputs = create_list();
-
 	if (outputs) {
 		int length = json_object_array_length(outputs);
-		json_object *output;
-		const char *output_str;
-		for (i = 0; i < length; ++i) {
-			output = json_object_array_get_idx(outputs, i);
-			output_str = json_object_get_string(output);
-			if (strcmp("*", output_str) == 0) {
-				config->all_outputs = true;
+		for (int i = 0; i < length; ++i) {
+			json_object *output = json_object_array_get_idx(outputs, i);
+			const char *name = json_object_get_string(output);
+			if (strcmp("*", name) == 0) {
+				// TODO: do we need to clear out the list here or something
 				break;
 			}
-			list_add(config->outputs, strdup(output_str));
+			struct config_output *coutput = calloc(
+					1, sizeof(struct config_output));
+			coutput->name = strdup(name);
+			coutput->index = SIZE_MAX;
+			wl_list_insert(&config->outputs, &coutput->link);
 		}
-	} else {
-		config->all_outputs = true;
 	}
 
 	if (colors) {
-		json_object *background, *statusline, *separator;
-		json_object *focused_background, *focused_statusline, *focused_separator;
-		json_object *focused_workspace_border, *focused_workspace_bg, *focused_workspace_text;
-		json_object *inactive_workspace_border, *inactive_workspace_bg, *inactive_workspace_text;
-		json_object *active_workspace_border, *active_workspace_bg, *active_workspace_text;
-		json_object *urgent_workspace_border, *urgent_workspace_bg, *urgent_workspace_text;
-		json_object *binding_mode_border, *binding_mode_bg, *binding_mode_text;
-		json_object_object_get_ex(colors, "background", &background);
-		json_object_object_get_ex(colors, "statusline", &statusline);
-		json_object_object_get_ex(colors, "separator", &separator);
-		json_object_object_get_ex(colors, "focused_background", &focused_background);
-		json_object_object_get_ex(colors, "focused_statusline", &focused_statusline);
-		json_object_object_get_ex(colors, "focused_separator", &focused_separator);
-		json_object_object_get_ex(colors, "focused_workspace_border", &focused_workspace_border);
-		json_object_object_get_ex(colors, "focused_workspace_bg", &focused_workspace_bg);
-		json_object_object_get_ex(colors, "focused_workspace_text", &focused_workspace_text);
-		json_object_object_get_ex(colors, "active_workspace_border", &active_workspace_border);
-		json_object_object_get_ex(colors, "active_workspace_bg", &active_workspace_bg);
-		json_object_object_get_ex(colors, "active_workspace_text", &active_workspace_text);
-		json_object_object_get_ex(colors, "inactive_workspace_border", &inactive_workspace_border);
-		json_object_object_get_ex(colors, "inactive_workspace_bg", &inactive_workspace_bg);
-		json_object_object_get_ex(colors, "inactive_workspace_text", &inactive_workspace_text);
-		json_object_object_get_ex(colors, "urgent_workspace_border", &urgent_workspace_border);
-		json_object_object_get_ex(colors, "urgent_workspace_bg", &urgent_workspace_bg);
-		json_object_object_get_ex(colors, "urgent_workspace_text", &urgent_workspace_text);
-		json_object_object_get_ex(colors, "binding_mode_border", &binding_mode_border);
-		json_object_object_get_ex(colors, "binding_mode_bg", &binding_mode_bg);
-		json_object_object_get_ex(colors, "binding_mode_text", &binding_mode_text);
-		if (background) {
-			config->colors.background = parse_color(json_object_get_string(background));
-		}
-
-		if (statusline) {
-			config->colors.statusline = parse_color(json_object_get_string(statusline));
-		}
-
-		if (separator) {
-			config->colors.separator = parse_color(json_object_get_string(separator));
-		}
-
-		if (focused_background) {
-			config->colors.focused_background = parse_color(json_object_get_string(focused_background));
-		}
-
-		if (focused_statusline) {
-			config->colors.focused_statusline = parse_color(json_object_get_string(focused_statusline));
-		}
-
-		if (focused_separator) {
-			config->colors.focused_separator = parse_color(json_object_get_string(focused_separator));
-		}
-
-		if (focused_workspace_border) {
-			config->colors.focused_workspace.border = parse_color(json_object_get_string(focused_workspace_border));
-		}
-
-		if (focused_workspace_bg) {
-			config->colors.focused_workspace.background = parse_color(json_object_get_string(focused_workspace_bg));
-		}
-
-		if (focused_workspace_text) {
-			config->colors.focused_workspace.text = parse_color(json_object_get_string(focused_workspace_text));
-		}
-
-		if (active_workspace_border) {
-			config->colors.active_workspace.border = parse_color(json_object_get_string(active_workspace_border));
-		}
-
-		if (active_workspace_bg) {
-			config->colors.active_workspace.background = parse_color(json_object_get_string(active_workspace_bg));
-		}
-
-		if (active_workspace_text) {
-			config->colors.active_workspace.text = parse_color(json_object_get_string(active_workspace_text));
-		}
-
-		if (inactive_workspace_border) {
-			config->colors.inactive_workspace.border = parse_color(json_object_get_string(inactive_workspace_border));
-		}
-
-		if (inactive_workspace_bg) {
-			config->colors.inactive_workspace.background = parse_color(json_object_get_string(inactive_workspace_bg));
-		}
-
-		if (inactive_workspace_text) {
-			config->colors.inactive_workspace.text = parse_color(json_object_get_string(inactive_workspace_text));
-		}
-
-		if (binding_mode_border) {
-			config->colors.binding_mode.border = parse_color(json_object_get_string(binding_mode_border));
-		}
-
-		if (binding_mode_bg) {
-			config->colors.binding_mode.background = parse_color(json_object_get_string(binding_mode_bg));
-		}
-
-		if (binding_mode_text) {
-			config->colors.binding_mode.text = parse_color(json_object_get_string(binding_mode_text));
-		}
+		ipc_parse_colors(config, colors);
 	}
 
 	json_object_put(bar_config);
 }
 
-static void ipc_update_workspaces(struct bar *bar) {
-	int i;
-	for (i = 0; i < bar->outputs->length; ++i) {
-		struct output *output = bar->outputs->items[i];
-		if (output->workspaces) {
-			free_workspaces(output->workspaces);
-		}
-		output->workspaces = create_list();
+static void free_workspaces(struct wl_list *list) {
+	struct swaybar_workspace *ws, *tmp;
+	wl_list_for_each_safe(ws, tmp, list, link) {
+		wl_list_remove(&ws->link);
+		free(ws->name);
+		free(ws);
 	}
+}
 
+void ipc_get_workspaces(struct swaybar *bar) {
+	bar->focused_output = NULL;
+	struct swaybar_output *output;
+	wl_list_for_each(output, &bar->outputs, link) {
+		free_workspaces(&output->workspaces);
+		output->focused = false;
+	}
 	uint32_t len = 0;
-	char *res = ipc_single_command(bar->ipc_socketfd, IPC_GET_WORKSPACES, NULL, &len);
+	char *res = ipc_single_command(bar->ipc_socketfd,
+			IPC_GET_WORKSPACES, NULL, &len);
 	json_object *results = json_tokener_parse(res);
 	if (!results) {
 		free(res);
 		return;
 	}
-
-	int length = json_object_array_length(results);
+	size_t length = json_object_array_length(results);
 	json_object *ws_json;
 	json_object *num, *name, *visible, *focused, *out, *urgent;
-	for (i = 0; i < length; ++i) {
+	for (size_t i = 0; i < length; ++i) {
 		ws_json = json_object_array_get_idx(results, i);
 
 		json_object_object_get_ex(ws_json, "num", &num);
@@ -280,113 +243,95 @@ static void ipc_update_workspaces(struct bar *bar) {
 		json_object_object_get_ex(ws_json, "output", &out);
 		json_object_object_get_ex(ws_json, "urgent", &urgent);
 
-		int j;
-		for (j = 0; j < bar->outputs->length; ++j) {
-			struct output *output = bar->outputs->items[j];
-			if (strcmp(json_object_get_string(out), output->name) == 0) {
-				struct workspace *ws = malloc(sizeof(struct workspace));
+		wl_list_for_each(output, &bar->outputs, link) {
+			const char *ws_output = json_object_get_string(out);
+			if (strcmp(ws_output, output->name) == 0) {
+				struct swaybar_workspace *ws =
+					calloc(1, sizeof(struct swaybar_workspace));
 				ws->num = json_object_get_int(num);
 				ws->name = strdup(json_object_get_string(name));
 				ws->visible = json_object_get_boolean(visible);
 				ws->focused = json_object_get_boolean(focused);
 				if (ws->focused) {
-					if (bar->focused_output) {
-						bar->focused_output->focused = false;
-					}
-					bar->focused_output = output;
 					output->focused = true;
 				}
 				ws->urgent = json_object_get_boolean(urgent);
-				list_add(output->workspaces, ws);
+				wl_list_insert(&output->workspaces, &ws->link);
 			}
 		}
 	}
-
 	json_object_put(results);
 	free(res);
 }
 
-void ipc_bar_init(struct bar *bar, const char *bar_id) {
-	// Get bar config
-	uint32_t len = strlen(bar_id);
-	char *res = ipc_single_command(bar->ipc_socketfd, IPC_GET_BAR_CONFIG, bar_id, &len);
-
-	ipc_parse_config(bar->config, res);
-	free(res);
-
-	// Get outputs
-	len = 0;
-	res = ipc_single_command(bar->ipc_socketfd, IPC_GET_OUTPUTS, NULL, &len);
+static void ipc_get_outputs(struct swaybar *bar) {
+	uint32_t len = 0;
+	char *res = ipc_single_command(bar->ipc_socketfd,
+			IPC_GET_OUTPUTS, NULL, &len);
 	json_object *outputs = json_tokener_parse(res);
-	int i;
-	int length = json_object_array_length(outputs);
-	json_object *output, *output_name, *output_active;
-	const char *name;
-	bool active;
-	for (i = 0; i < length; ++i) {
-		output = json_object_array_get_idx(outputs, i);
+	for (size_t i = 0; i < json_object_array_length(outputs); ++i) {
+		json_object *output = json_object_array_get_idx(outputs, i);
+		json_object *output_name, *output_active;
 		json_object_object_get_ex(output, "name", &output_name);
 		json_object_object_get_ex(output, "active", &output_active);
-		name = json_object_get_string(output_name);
-		active = json_object_get_boolean(output_active);
+		const char *name = json_object_get_string(output_name);
+		bool active = json_object_get_boolean(output_active);
 		if (!active) {
 			continue;
 		}
-
-		bool use_output = false;
-		if (bar->config->all_outputs) {
-			use_output = true;
+		if (wl_list_empty(&bar->config->outputs)) {
+			struct config_output *coutput = calloc(
+					1, sizeof(struct config_output));
+			coutput->name = strdup(name);
+			coutput->index = i;
+			wl_list_insert(&bar->config->outputs, &coutput->link);
 		} else {
-			int j = 0;
-			for (j = 0; j < bar->config->outputs->length; ++j) {
-				const char *conf_name = bar->config->outputs->items[j];
-				if (strcasecmp(name, conf_name) == 0) {
-					use_output = true;
+			struct config_output *coutput;
+			wl_list_for_each(coutput, &bar->config->outputs, link) {
+				if (strcmp(name, coutput->name) == 0) {
+					coutput->index = i;
 					break;
 				}
 			}
 		}
-
-		if (!use_output) {
-			continue;
-		}
-
-		// add bar to the output
-		struct output *bar_output = container_output_create(name);
-		bar_output->idx = i;
-		list_add(bar->outputs, bar_output);
 	}
-	free(res);
 	json_object_put(outputs);
-
-	const char *subscribe_json = "[ \"workspace\", \"mode\" ]";
-	len = strlen(subscribe_json);
-	res = ipc_single_command(bar->ipc_event_socketfd, IPC_SUBSCRIBE, subscribe_json, &len);
 	free(res);
-
-	ipc_update_workspaces(bar);
 }
 
-bool handle_ipc_event(struct bar *bar) {
+void ipc_initialize(struct swaybar *bar, const char *bar_id) {
+	uint32_t len = strlen(bar_id);
+	char *res = ipc_single_command(bar->ipc_socketfd,
+			IPC_GET_BAR_CONFIG, bar_id, &len);
+	ipc_parse_config(bar->config, res);
+	free(res);
+	ipc_get_outputs(bar);
+
+	const char *subscribe = "[ \"workspace\", \"mode\" ]";
+	len = strlen(subscribe);
+	free(ipc_single_command(bar->ipc_event_socketfd,
+			IPC_SUBSCRIBE, subscribe, &len));
+}
+
+bool handle_ipc_event(struct swaybar *bar) {
 	struct ipc_response *resp = ipc_recv_response(bar->ipc_event_socketfd);
 	if (!resp) {
 		return false;
 	}
 	switch (resp->type) {
 	case IPC_EVENT_WORKSPACE:
-		ipc_update_workspaces(bar);
+		ipc_get_workspaces(bar);
 		break;
 	case IPC_EVENT_MODE: {
 		json_object *result = json_tokener_parse(resp->payload);
 		if (!result) {
 			free_ipc_response(resp);
-			sway_log(L_ERROR, "failed to parse payload as json");
+			wlr_log(L_ERROR, "failed to parse payload as json");
 			return false;
 		}
-		json_object *json_change;
+		json_object *json_change, *json_pango_markup;
 		if (json_object_object_get_ex(result, "change", &json_change)) {
 			const char *change = json_object_get_string(json_change);
-
 			free(bar->config->mode);
 			if (strcmp(change, "default") == 0) {
 				bar->config->mode = NULL;
@@ -394,9 +339,16 @@ bool handle_ipc_event(struct bar *bar) {
 				bar->config->mode = strdup(change);
 			}
 		} else {
-			sway_log(L_ERROR, "failed to parse response");
+			wlr_log(L_ERROR, "failed to parse response");
+			json_object_put(result);
+			free_ipc_response(resp);
+			return false;
+		}
+		if (json_object_object_get_ex(result,
+					"pango_markup", &json_pango_markup)) {
+			bar->config->mode_pango_markup = json_object_get_boolean(
+					json_pango_markup);
 		}
-
 		json_object_put(result);
 		break;
 	}
@@ -404,7 +356,6 @@ bool handle_ipc_event(struct bar *bar) {
 		free_ipc_response(resp);
 		return false;
 	}
-
 	free_ipc_response(resp);
 	return true;
 }

swaybar/main.c

@@ -4,23 +4,22 @@
 #include <string.h>
 #include <stdbool.h>
 #include <getopt.h>
+#include <wlr/util/log.h>
 #include "swaybar/bar.h"
 #include "ipc-client.h"
-#include "log.h"
 
-/* global bar state */
-struct bar swaybar;
-
-void sway_terminate(int exit_code) {
-	bar_teardown(&swaybar);
-	exit(exit_code);
-}
+static struct swaybar swaybar;
 
 void sig_handler(int signal) {
 	bar_teardown(&swaybar);
 	exit(0);
 }
 
+void sway_terminate(int code) {
+	bar_teardown(&swaybar);
+	exit(code);
+}
+
 int main(int argc, char **argv) {
 	char *socket_path = NULL;
 	char *bar_id = NULL;
@@ -75,20 +74,23 @@ int main(int argc, char **argv) {
 		}
 	}
 
-	if (!bar_id) {
-		sway_abort("No bar_id passed. Provide --bar_id or let sway start swaybar");
+	if (debug) {
+		wlr_log_init(L_DEBUG, NULL);
+	} else {
+		wlr_log_init(L_ERROR, NULL);
 	}
 
-	if (debug) {
-		init_log(L_DEBUG);
-	} else {
-		init_log(L_ERROR);
+	if (!bar_id) {
+		wlr_log(L_ERROR, "No bar_id passed. "
+				"Provide --bar_id or let sway start swaybar");
+		return 1;
 	}
 
 	if (!socket_path) {
 		socket_path = get_socketpath();
 		if (!socket_path) {
-			sway_abort("Unable to retrieve socket path");
+			wlr_log(L_ERROR, "Unable to retrieve socket path");
+			return 1;
 		}
 	}
 
@@ -100,9 +102,6 @@ int main(int argc, char **argv) {
 	free(bar_id);
 
 	bar_run(&swaybar);
-
-	// gracefully shutdown swaybar and status_command
 	bar_teardown(&swaybar);
-
 	return 0;
 }

swaybar/meson.build

@@ -0,0 +1,27 @@
+executable(
+	'swaybar',
+	[
+		'bar.c',
+		'config.c',
+		'event_loop.c',
+		'ipc.c',
+		'main.c',
+		'render.c',
+		'status_line.c',
+	],
+	include_directories: [sway_inc],
+	dependencies: [
+		cairo,
+		client_protos,
+		gdk_pixbuf,
+		jsonc,
+		math,
+		pango,
+		pangocairo,
+		rt,
+		wayland_client,
+		wlroots,
+	],
+	link_with: [lib_sway_common, lib_sway_client],
+	install: true
+)

swaybar/render.c

@@ -1,228 +1,120 @@
+#include <limits.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <string.h>
-
-#include "client/cairo.h"
-#include "client/pango.h"
-#include "client/window.h"
+#include <wlr/util/log.h>
+#include "cairo.h"
+#include "pango.h"
+#include "pool-buffer.h"
+#include "swaybar/bar.h"
 #include "swaybar/config.h"
-#include "swaybar/status_line.h"
 #include "swaybar/render.h"
-#ifdef ENABLE_TRAY
-#include "swaybar/tray/tray.h"
-#include "swaybar/tray/sni.h"
-#endif
-#include "log.h"
+#include "swaybar/status_line.h"
+#include "wlr-layer-shell-unstable-v1-client-protocol.h"
 
+static const int ws_horizontal_padding = 5;
+static const double ws_vertical_padding = 1.5;
+static const double border_width = 1;
 
-/* internal spacing */
-static int margin = 3;
-static int ws_horizontal_padding = 5;
-static double ws_vertical_padding = 1.5;
-static int ws_spacing = 1;
+static uint32_t render_status_line_text(cairo_t *cairo,
+		struct swaybar_config *config, struct status_line *status,
+		bool focused, uint32_t width, uint32_t height) {
+	if (!status->text) {
+		return 0;
+	}
+	cairo_set_source_u32(cairo, focused ?
+			config->colors.focused_statusline : config->colors.statusline);
+	static const int margin = 3;
+	int text_width, text_height;
+	get_text_size(cairo, config->font, &text_width, &text_height,
+			1, config->pango_markup, "%s", status->text);
+	uint32_t ideal_height = text_height + ws_vertical_padding * 2;
+	if (height < ideal_height) {
+		return ideal_height;
+	}
+	double text_y = height / 2.0 - text_height / 2.0;
+	cairo_move_to(cairo, width - text_width - margin, (int)floor(text_y));
+	pango_printf(cairo, config->font, 1, config->pango_markup,
+			"%s", status->text);
+	return ideal_height;
+}
 
-/**
- * Renders a sharp line of any width and height.
- *
- * The line is drawn from (x,y) to (x+width,y+height) where width/height is 0
- * if the line has a width/height of one pixel, respectively.
- */
-static void render_sharp_line(cairo_t *cairo, uint32_t color, double x, double y, double width, double height) {
-	cairo_set_source_u32(cairo, color);
+static uint32_t render_status_line_i3bar(cairo_t *cairo,
+		struct swaybar_config *config, struct status_line *status,
+		bool focused, uint32_t width, uint32_t height) {
+	// TODO
+	return 0;
+}
 
-	if (width > 1 && height > 1) {
-		cairo_rectangle(cairo, x, y, width, height);
-		cairo_fill(cairo);
-	} else {
-		if (width == 1) {
-			x += 0.5;
-			height += y;
-			width = x;
-		}
-
-		if (height == 1) {
-			y += 0.5;
-			width += x;
-			height = y;
-		}
-
-		cairo_move_to(cairo, x, y);
-		cairo_set_line_width(cairo, 1.0);
-		cairo_line_to(cairo, width, height);
-		cairo_stroke(cairo);
+static uint32_t render_status_line(cairo_t *cairo,
+		struct swaybar_config *config, struct status_line *status,
+		bool focused, uint32_t width, uint32_t height) {
+	switch (status->protocol) {
+	case PROTOCOL_TEXT:
+		return render_status_line_text(cairo,
+				config, status, focused, width, height);
+	case PROTOCOL_I3BAR:
+		return render_status_line_i3bar(cairo,
+				config, status, focused, width, height);
+	default:
+		return 0;
 	}
 }
 
-static void render_block(struct window *window, struct config *config, struct status_block *block, double *x, bool edge, bool is_focused) {
-	int width, height, sep_width;
-	get_text_size(window->cairo, window->font, &width, &height,
-			window->scale, block->markup, "%s", block->full_text);
-
-	int textwidth = width;
-	double block_width = width;
-
-	if (width < block->min_width) {
-		width = block->min_width;
+static uint32_t render_binding_mode_indicator(cairo_t *cairo,
+		struct swaybar_config *config, const char *mode, double x,
+		uint32_t height) {
+	int text_width, text_height;
+	get_text_size(cairo, config->font, &text_width, &text_height,
+			1, true, "%s", mode);
+	uint32_t ideal_height = text_height + ws_vertical_padding * 2
+		+ border_width * 2;
+	if (height < ideal_height) {
+		return ideal_height;
 	}
+	uint32_t width = text_width + ws_horizontal_padding * 2 + border_width * 2;
 
-	*x -= width;
+	cairo_set_source_u32(cairo, config->colors.binding_mode.background);
+	cairo_rectangle(cairo, x, 0, width, height);
+	cairo_fill(cairo);
 
-	if (block->border != 0 && block->border_left > 0) {
-		*x -= (block->border_left + margin);
-		block_width += block->border_left + margin;
-	}
-
-	if (block->border != 0 && block->border_right > 0) {
-		*x -= (block->border_right + margin);
-		block_width += block->border_right + margin;
-	}
-
-	// Add separator
-	if (!edge) {
-		if (config->sep_symbol) {
-			get_text_size(window->cairo, window->font, &sep_width, &height,
-					window->scale, false, "%s", config->sep_symbol);
-			if (sep_width > block->separator_block_width) {
-				block->separator_block_width = sep_width + margin * 2;
-			}
-		}
-
-		*x -= block->separator_block_width;
-	} else {
-		*x -= margin;
-	}
-
-	double pos = *x;
-
-	block->x = (int)pos;
-	block->width = (int)block_width;
-
-	// render background
-	if (block->background != 0x0) {
-		cairo_set_source_u32(window->cairo, block->background);
-		cairo_rectangle(window->cairo, pos - 0.5, 1, block_width, (window->height * window->scale) - 2);
-		cairo_fill(window->cairo);
-	}
-
-	// render top border
-	if (block->border != 0 && block->border_top > 0) {
-		render_sharp_line(window->cairo, block->border,
-				pos - 0.5,
-				1,
-				block_width,
-				block->border_top);
-	}
-
-	// render bottom border
-	if (block->border != 0 && block->border_bottom > 0) {
-		render_sharp_line(window->cairo, block->border,
-				pos - 0.5,
-				(window->height * window->scale) - 1 - block->border_bottom,
-				block_width,
-				block->border_bottom);
-	}
-
-	// render left border
-	if (block->border != 0 && block->border_left > 0) {
-		render_sharp_line(window->cairo, block->border,
-				pos - 0.5,
-				1,
-				block->border_left,
-				(window->height * window->scale) - 2);
-
-		pos += block->border_left + margin;
-	}
-
-	// render text
-	double offset = 0;
-
-	if (strncmp(block->align, "left", 5) == 0) {
-		offset = pos;
-	} else if (strncmp(block->align, "right", 5) == 0) {
-		offset = pos + width - textwidth;
-	} else if (strncmp(block->align, "center", 6) == 0) {
-		offset = pos + (width - textwidth) / 2;
-	}
-
-	cairo_move_to(window->cairo, offset, margin);
-	cairo_set_source_u32(window->cairo, block->color);
-	pango_printf(window->cairo, window->font, window->scale,
-			block->markup, "%s", block->full_text);
-
-	pos += width;
-
-	// render right border
-	if (block->border != 0 && block->border_right > 0) {
-		pos += margin;
-
-		render_sharp_line(window->cairo, block->border,
-				pos - 0.5,
-				1,
-				block->border_right,
-				(window->height * window->scale) - 2);
-
-		pos += block->border_right;
-	}
-
-	// render separator
-	if (!edge && block->separator) {
-		if (is_focused) {
-			cairo_set_source_u32(window->cairo, config->colors.focused_separator);
-		} else {
-			cairo_set_source_u32(window->cairo, config->colors.separator);
-		}
-		if (config->sep_symbol) {
-			offset = pos + (block->separator_block_width - sep_width) / 2;
-			cairo_move_to(window->cairo, offset, margin);
-			pango_printf(window->cairo, window->font, window->scale,
-					false, "%s", config->sep_symbol);
-		} else {
-			cairo_set_line_width(window->cairo, 1);
-			cairo_move_to(window->cairo, pos + block->separator_block_width/2,
-					margin);
-			cairo_line_to(window->cairo, pos + block->separator_block_width/2,
-					(window->height * window->scale) - margin);
-			cairo_stroke(window->cairo);
-		}
-	}
+	cairo_set_source_u32(cairo, config->colors.binding_mode.border);
+	cairo_rectangle(cairo, x, 0, width, border_width);
+	cairo_fill(cairo);
+	cairo_rectangle(cairo, x, 0, border_width, height);
+	cairo_fill(cairo);
+	cairo_rectangle(cairo, x + width - border_width, 0, border_width, height);
+	cairo_fill(cairo);
+	cairo_rectangle(cairo, x, height - border_width, width, border_width);
+	cairo_fill(cairo);
 
+	double text_y = height / 2.0 - text_height / 2.0;
+	cairo_set_source_u32(cairo, config->colors.binding_mode.text);
+	cairo_move_to(cairo, x + width / 2 - text_width / 2, (int)floor(text_y));
+	pango_printf(cairo, config->font, 1, true, "%s", mode);
+	return ideal_height;
 }
 
-static const char *strip_workspace_name(bool strip_num, const char *ws_name) {
-	bool strip = false;
-	int i;
-
-	if (strip_num) {
-		int len = strlen(ws_name);
-		for (i = 0; i < len; ++i) {
-			if (!('0' <= ws_name[i] && ws_name[i] <= '9')) {
-				if (':' == ws_name[i] && i < len-1 && i > 0) {
-					strip = true;
-					++i;
-				}
-				break;
+static const char *strip_workspace_number(const char *ws_name) {
+	size_t len = strlen(ws_name);
+	for (size_t i = 0; i < len; ++i) {
+		if (ws_name[i] < '0' || ws_name[i] > '9') {
+			if (':' == ws_name[i] && i < len - 1 && i > 0) {
+				return ws_name + i + 1;
 			}
+			return ws_name;
 		}
 	}
-
-	if (strip) {
-		return ws_name + i;
-	}
-
 	return ws_name;
 }
 
-void workspace_button_size(struct window *window, const char *workspace_name, int *width, int *height) {
-	const char *stripped_name = strip_workspace_name(swaybar.config->strip_workspace_numbers, workspace_name);
-
-	get_text_size(window->cairo, window->font, width, height,
-			window->scale, true, "%s", stripped_name);
-	*width += 2 * ws_horizontal_padding;
-	*height += 2 * ws_vertical_padding;
-}
-
-static void render_workspace_button(struct window *window, struct config *config, struct workspace *ws, double *x) {
-	const char *stripped_name = strip_workspace_name(config->strip_workspace_numbers, ws->name);
+static uint32_t render_workspace_button(cairo_t *cairo,
+		struct swaybar_config *config, struct swaybar_workspace *ws,
+		double *x, uint32_t height) {
+	const char *name = ws->name;
+	if (config->strip_workspace_numbers) {
+		name = strip_workspace_number(ws->name);
+	}
 
 	struct box_colors box_colors;
 	if (ws->urgent) {
@@ -235,133 +127,124 @@ static void render_workspace_button(struct window *window, struct config *config
 		box_colors = config->colors.inactive_workspace;
 	}
 
-	int width, height;
-	workspace_button_size(window, stripped_name, &width, &height);
+	int text_width, text_height;
+	get_text_size(cairo, config->font, &text_width, &text_height,
+			1, true, "%s", name);
+	uint32_t ideal_height = ws_vertical_padding * 2 + text_height
+		+ border_width * 2;
+	if (height < ideal_height) {
+		return ideal_height;
+	}
+	uint32_t width = ws_horizontal_padding * 2 + text_width + border_width * 2;
 
-	// background
-	cairo_set_source_u32(window->cairo, box_colors.background);
-	cairo_rectangle(window->cairo, *x, 1.5, width - 1, height);
-	cairo_fill(window->cairo);
+	cairo_set_source_u32(cairo, box_colors.background);
+	cairo_rectangle(cairo, *x, 0, width, height);
+	cairo_fill(cairo);
 
-	// border
-	cairo_set_source_u32(window->cairo, box_colors.border);
-	cairo_rectangle(window->cairo, *x, 1.5, width - 1, height);
-	cairo_stroke(window->cairo);
+	cairo_set_source_u32(cairo, box_colors.border);
+	cairo_rectangle(cairo, *x, 0, width, border_width);
+	cairo_fill(cairo);
+	cairo_rectangle(cairo, *x, 0, border_width, height);
+	cairo_fill(cairo);
+	cairo_rectangle(cairo, *x + width - border_width, 0, border_width, height);
+	cairo_fill(cairo);
+	cairo_rectangle(cairo, *x, height - border_width, width, border_width);
+	cairo_fill(cairo);
 
-	// text
-	cairo_set_source_u32(window->cairo, box_colors.text);
-	cairo_move_to(window->cairo, (int)*x + ws_horizontal_padding, margin);
-	pango_printf(window->cairo, window->font, window->scale,
-			true, "%s", stripped_name);
+	double text_y = height / 2.0 - text_height / 2.0;
+	cairo_set_source_u32(cairo, box_colors.text);
+	cairo_move_to(cairo, *x + width / 2 - text_width / 2, (int)floor(text_y));
+	pango_printf(cairo, config->font, 1, true, "%s", name);
 
-	*x += width + ws_spacing;
+	*x += width;
+	return ideal_height;
 }
 
-static void render_binding_mode_indicator(struct window *window, struct config *config, double pos) {
-	int width, height;
-	get_text_size(window->cairo, window->font, &width, &height,
-			window->scale, false, "%s", config->mode);
-
-	// background
-	cairo_set_source_u32(window->cairo, config->colors.binding_mode.background);
-	cairo_rectangle(window->cairo, pos, 1.5, width + ws_horizontal_padding * 2 - 1,
-			height + ws_vertical_padding * 2);
-	cairo_fill(window->cairo);
-
-	// border
-	cairo_set_source_u32(window->cairo, config->colors.binding_mode.border);
-	cairo_rectangle(window->cairo, pos, 1.5, width + ws_horizontal_padding * 2 - 1,
-			height + ws_vertical_padding * 2);
-	cairo_stroke(window->cairo);
-
-	// text
-	cairo_set_source_u32(window->cairo, config->colors.binding_mode.text);
-	cairo_move_to(window->cairo, (int)pos + ws_horizontal_padding, margin);
-	pango_printf(window->cairo, window->font, window->scale,
-			false, "%s", config->mode);
-}
-
-void render(struct output *output, struct config *config, struct status_line *line) {
-	int i;
-
-	struct window *window = output->window;
-	cairo_t *cairo = window->cairo;
-	bool is_focused = output->focused;
-
-	// Clear
-	cairo_save(cairo);
-	cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR);
-	cairo_paint(cairo);
-	cairo_restore(cairo);
+static uint32_t render_to_cairo(cairo_t *cairo,
+		struct swaybar *bar, struct swaybar_output *output) {
+	struct swaybar_config *config = bar->config;
 
 	cairo_set_operator(cairo, CAIRO_OPERATOR_SOURCE);
-
-	// Background
-	if (is_focused) {
+	if (output->focused) {
 		cairo_set_source_u32(cairo, config->colors.focused_background);
 	} else {
 		cairo_set_source_u32(cairo, config->colors.background);
 	}
 	cairo_paint(cairo);
 
-#ifdef ENABLE_TRAY
-	uint32_t tray_width = tray_render(output, config);
-#else
-	const uint32_t tray_width = window->width * window->scale;
-#endif
-
-	// Command output
-	if (is_focused) {
-		cairo_set_source_u32(cairo, config->colors.focused_statusline);
-	} else {
-		cairo_set_source_u32(cairo, config->colors.statusline);
-	}
-
-	int width, height;
-
-	if (line->protocol == TEXT) {
-		get_text_size(window->cairo, window->font, &width, &height,
-				window->scale, config->pango_markup, "%s", line->text_line);
-		cairo_move_to(cairo, tray_width - margin - width, margin);
-		pango_printf(window->cairo, window->font, window->scale,
-				config->pango_markup, "%s", line->text_line);
-	} else if (line->protocol == I3BAR && line->block_line) {
-		double pos = tray_width - 0.5;
-		bool edge = true;
-		for (i = line->block_line->length - 1; i >= 0; --i) {
-			struct status_block *block = line->block_line->items[i];
-			if (block->full_text && block->full_text[0]) {
-				render_block(window, config, block, &pos, edge, is_focused);
-				edge = false;
-			}
-		}
-	}
-
-	cairo_set_line_width(cairo, 1.0);
-	double x = 0.5;
-
-	// Workspaces
+	uint32_t max_height = 0;
+	/*
+	 * Each render_* function takes the actual height of the bar, and returns
+	 * the ideal height. If the actual height is too short, the render function
+	 * can do whatever it wants - the buffer won't be committed. If the actual
+	 * height is too tall, the render function should adapt its drawing to
+	 * utilize the available space.
+	 */
+	double x = 0;
 	if (config->workspace_buttons) {
-		for (i = 0; i < output->workspaces->length; ++i) {
-			struct workspace *ws = output->workspaces->items[i];
-			render_workspace_button(window, config, ws, &x);
+		struct swaybar_workspace *ws;
+		wl_list_for_each_reverse(ws, &output->workspaces, link) {
+			uint32_t h = render_workspace_button(
+					cairo, config, ws, &x, output->height);
+			max_height = h > max_height ? h : max_height;
 		}
 	}
-
-	// binding mode indicator
-	if (config->mode && config->binding_mode_indicator) {
-		render_binding_mode_indicator(window, config, x);
+	if (config->binding_mode_indicator && config->mode) {
+		uint32_t h = render_binding_mode_indicator(
+				cairo, config, config->mode, x, output->height);
+		max_height = h > max_height ? h : max_height;
 	}
+	if (bar->status) {
+		uint32_t h = render_status_line(cairo, config, bar->status,
+				output->focused, output->width, output->height);
+		max_height = h > max_height ? h : max_height;
+	}
+
+	return max_height > output->height ? max_height : output->height;
 }
 
-void set_window_height(struct window *window, int height) {
-	int text_width, text_height;
-	get_text_size(window->cairo, window->font,
-			&text_width, &text_height, window->scale, false,
-			"Test string for measuring purposes");
-	if (height > 0) {
-		margin = (height - text_height) / 2;
-		ws_vertical_padding = margin - 1.5;
+void render_frame(struct swaybar *bar,
+		struct swaybar_output *output) {
+	cairo_surface_t *recorder = cairo_recording_surface_create(
+			CAIRO_CONTENT_COLOR_ALPHA, NULL);
+	cairo_t *cairo = cairo_create(recorder);
+	cairo_save(cairo);
+	cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR);
+	cairo_paint(cairo);
+	cairo_restore(cairo);
+	uint32_t height = render_to_cairo(cairo, bar, output);
+	if (bar->config->height >= 0 && height < (uint32_t)bar->config->height) {
+		height = bar->config->height;
 	}
-	window->height = (text_height + margin * 2) / window->scale;
+	if (height != output->height) {
+		// Reconfigure surface
+		zwlr_layer_surface_v1_set_size(
+				output->layer_surface, 0, height);
+		zwlr_layer_surface_v1_set_exclusive_zone(output->layer_surface, height);
+		// TODO: this could infinite loop if the compositor assigns us a
+		// different height than what we asked for
+		wl_surface_commit(output->surface);
+		wl_display_roundtrip(bar->display);
+	} else {
+		// Replay recording into shm and send it off
+		output->current_buffer = get_next_buffer(bar->shm,
+				output->buffers, output->width, output->height);
+		cairo_t *shm = output->current_buffer->cairo;
+
+		cairo_save(shm);
+		cairo_set_operator(shm, CAIRO_OPERATOR_CLEAR);
+		cairo_paint(shm);
+		cairo_restore(shm);
+
+		cairo_set_source_surface(shm, recorder, 0.0, 0.0);
+		cairo_paint(shm);
+
+		wl_surface_attach(output->surface,
+				output->current_buffer->buffer, 0, 0);
+		wl_surface_damage(output->surface, 0, 0, output->width, output->height);
+		wl_surface_commit(output->surface);
+		wl_display_roundtrip(bar->display);
+	}
+	cairo_surface_destroy(recorder);
+	cairo_destroy(cairo);
 }

swaybar/status_line.c

@@ -1,530 +1,81 @@
-#define _XOPEN_SOURCE 700
+#define _POSIX_C_SOURCE
+#include <fcntl.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>
 #include <unistd.h>
-#include <json-c/json.h>
-
+#include <wlr/util/log.h>
 #include "swaybar/config.h"
 #include "swaybar/status_line.h"
-#include "log.h"
-#include "util.h"
+#include "readline.h"
 
-#define I3JSON_MAXDEPTH 4
-#define I3JSON_UNKNOWN 0
-#define I3JSON_ARRAY 1
-#define I3JSON_STRING 2
-
-struct {
-	int bufsize;
-	char *buffer;
-	char *line_start;
-	char *parserpos;
-	bool escape;
-	int depth;
-	int bar[I3JSON_MAXDEPTH+1];
-} i3json_state = { 0, NULL, NULL, NULL, false, 0, { I3JSON_UNKNOWN } };
-
-static char line[1024];
-static char line_rest[1024];
-
-static char event_buff[1024];
-
-static void free_status_block(void *item) {
-	if (!item) {
-		return;
-	}
-	struct status_block *sb = (struct status_block*)item;
-	if (sb->full_text) {
-		free(sb->full_text);
-	}
-	if (sb->short_text) {
-		free(sb->short_text);
-	}
-	if (sb->align) {
-		free(sb->align);
-	}
-	if (sb->name) {
-		free(sb->name);
-	}
-	if (sb->instance) {
-		free(sb->instance);
-	}
-	free(sb);
-}
-
-static void parse_json(struct bar *bar, const char *text) {
-	json_object *results = json_tokener_parse(text);
-	if (!results) {
-		sway_log(L_DEBUG, "Failed to parse json");
-		return;
-	}
-
-	if (json_object_array_length(results) < 1) {
-		return;
-	}
-
-	if (bar->status->block_line) {
-		list_foreach(bar->status->block_line, free_status_block);
-		list_free(bar->status->block_line);
-	}
-
-	bar->status->block_line = create_list();
-
-	int i;
-	for (i = 0; i < json_object_array_length(results); ++i) {
-		json_object *full_text, *short_text, *color, *min_width, *align, *urgent;
-		json_object *name, *instance, *separator, *separator_block_width;
-		json_object *background, *border, *border_top, *border_bottom;
-		json_object *border_left, *border_right, *markup;
-
-		json_object *json = json_object_array_get_idx(results, i);
-		if (!json) {
-			continue;
+bool handle_status_readable(struct status_line *status) {
+	char *line = read_line_buffer(status->read,
+			status->buffer, status->buffer_size);
+	switch (status->protocol) {
+	case PROTOCOL_I3BAR:
+		// TODO
+		break;
+	case PROTOCOL_TEXT:
+		status->text = line;
+		return true;
+	case PROTOCOL_UNDEF:
+		if (!line) {
+			return false;
 		}
-
-		json_object_object_get_ex(json, "full_text", &full_text);
-		json_object_object_get_ex(json, "short_text", &short_text);
-		json_object_object_get_ex(json, "color", &color);
-		json_object_object_get_ex(json, "min_width", &min_width);
-		json_object_object_get_ex(json, "align", &align);
-		json_object_object_get_ex(json, "urgent", &urgent);
-		json_object_object_get_ex(json, "name", &name);
-		json_object_object_get_ex(json, "instance", &instance);
-		json_object_object_get_ex(json, "markup", &markup);
-		json_object_object_get_ex(json, "separator", &separator);
-		json_object_object_get_ex(json, "separator_block_width", &separator_block_width);
-		json_object_object_get_ex(json, "background", &background);
-		json_object_object_get_ex(json, "border", &border);
-		json_object_object_get_ex(json, "border_top", &border_top);
-		json_object_object_get_ex(json, "border_bottom", &border_bottom);
-		json_object_object_get_ex(json, "border_left", &border_left);
-		json_object_object_get_ex(json, "border_right", &border_right);
-
-		struct status_block *new = calloc(1, sizeof(struct status_block));
-
-		if (full_text) {
-			new->full_text = strdup(json_object_get_string(full_text));
-		}
-
-		if (short_text) {
-			new->short_text = strdup(json_object_get_string(short_text));
-		}
-
-		if (color) {
-			new->color = parse_color(json_object_get_string(color));
+		if (line[0] == '{') {
+			// TODO: JSON
 		} else {
-			new->color = bar->config->colors.statusline;
+			status->text = line;
+			status->protocol = PROTOCOL_TEXT;
 		}
-
-		if (min_width) {
-			json_type type = json_object_get_type(min_width);
-			if (type == json_type_int) {
-				new->min_width = json_object_get_int(min_width);
-			} else if (type == json_type_string) {
-				/* the width will be calculated when rendering */
-				new->min_width = 0;
-			}
-		}
-
-		if (align) {
-			new->align = strdup(json_object_get_string(align));
-		} else {
-			new->align = strdup("left");
-		}
-
-		if (urgent) {
-			new->urgent = json_object_get_int(urgent);
-		}
-
-		if (name) {
-			new->name = strdup(json_object_get_string(name));
-		}
-
-		if (instance) {
-			new->instance = strdup(json_object_get_string(instance));
-		}
-
-		if (markup) {
-			new->markup = false;
-			const char *markup_str = json_object_get_string(markup);
-			if (strcmp(markup_str, "pango") == 0) {
-				new->markup = true;
-			}
-		}
-
-		if (separator) {
-			new->separator = json_object_get_int(separator);
-		} else {
-			new->separator = true; // i3bar spec
-		}
-
-		if (separator_block_width) {
-			new->separator_block_width = json_object_get_int(separator_block_width);
-		} else {
-			new->separator_block_width = 9; // i3bar spec
-		}
-
-		// Airblader features
-		if (background) {
-			new->background = parse_color(json_object_get_string(background));
-		} else {
-			new->background = 0x0; // transparent
-		}
-
-		if (border) {
-			new->border = parse_color(json_object_get_string(border));
-		} else {
-			new->border = 0x0; // transparent
-		}
-
-		if (border_top) {
-			new->border_top = json_object_get_int(border_top);
-		} else {
-			new->border_top = 1;
-		}
-
-		if (border_bottom) {
-			new->border_bottom = json_object_get_int(border_bottom);
-		} else {
-			new->border_bottom = 1;
-		}
-
-		if (border_left) {
-			new->border_left = json_object_get_int(border_left);
-		} else {
-			new->border_left = 1;
-		}
-
-		if (border_right) {
-			new->border_right = json_object_get_int(border_right);
-		} else {
-			new->border_right = 1;
-		}
-
-		list_add(bar->status->block_line, new);
-	}
-
-	json_object_put(results);
-}
-
-// continue parsing from last parserpos
-static int i3json_parse(struct bar *bar) {
-	char *c = i3json_state.parserpos;
-	int handled = 0;
-	while (*c) {
-		if (i3json_state.bar[i3json_state.depth] == I3JSON_STRING) {
-			if (!i3json_state.escape && *c == '"') {
-				--i3json_state.depth;
-			}
-			i3json_state.escape = !i3json_state.escape && *c == '\\';
-		} else {
-			switch (*c) {
-			case '[':
-				++i3json_state.depth;
-				if (i3json_state.depth > I3JSON_MAXDEPTH) {
-					sway_abort("JSON too deep");
-				}
-				i3json_state.bar[i3json_state.depth] = I3JSON_ARRAY;
-				if (i3json_state.depth == 2) {
-					i3json_state.line_start = c;
-				}
-				break;
-			case ']':
-				if (i3json_state.bar[i3json_state.depth] != I3JSON_ARRAY) {
-					sway_abort("JSON malformed");
-				}
-				--i3json_state.depth;
-				if (i3json_state.depth == 1) {
-					// c[1] is valid since c[0] != '\0'
-					char p = c[1];
-					c[1] = '\0';
-					parse_json(bar, i3json_state.line_start);
-					c[1] = p;
-					++handled;
-					i3json_state.line_start = c+1;
-				}
-				break;
-			case '"':
-				++i3json_state.depth;
-				if (i3json_state.depth > I3JSON_MAXDEPTH) {
-					sway_abort("JSON too deep");
-				}
-				i3json_state.bar[i3json_state.depth] = I3JSON_STRING;
-				break;
-			}
-		}
-		++c;
-	}
-	i3json_state.parserpos = c;
-	return handled;
-}
-
-// Read line from file descriptor, only show the line tail if it is too long.
-// In non-blocking mode treat "no more data" as a linebreak.
-// If data after a line break has been read, return it in rest.
-// If rest is non-empty, then use that as the start of the next line.
-static int read_line_tail(int fd, char *buf, int nbyte, char *rest) {
-	if (fd < 0 || !buf || !nbyte) {
-		return -1;
-	}
-	int l;
-	char *buffer = malloc(nbyte*2+1);
-	char *readpos = buffer;
-	char *lf;
-	// prepend old data to new line if necessary
-	if (rest) {
-		l = strlen(rest);
-		if (l > nbyte) {
-			strcpy(buffer, rest + l - nbyte);
-			readpos += nbyte;
-		} else if (l) {
-			strcpy(buffer, rest);
-			readpos += l;
-		}
-	}
-	// read until a linefeed is found or no more data is available
-	while ((l = read(fd, readpos, nbyte)) > 0) {
-		readpos[l] = '\0';
-		lf = strchr(readpos, '\n');
-		if (lf) {
-			// linefeed found, replace with \0
-			*lf = '\0';
-			// give data from the end of the line, try to fill the buffer
-			if (lf-buffer > nbyte) {
-				strcpy(buf, lf - nbyte + 1);
-			} else {
-				strcpy(buf, buffer);
-			}
-			// we may have read data from the next line, save it to rest
-			if (rest) {
-				rest[0] = '\0';
-				strcpy(rest, lf + 1);
-			}
-			free(buffer);
-			return strlen(buf);
-		} else {
-			// no linefeed found, slide data back.
-			int overflow = readpos - buffer + l - nbyte;
-			if (overflow > 0) {
-				memmove(buffer, buffer + overflow , nbyte + 1);
-			}
-		}
-	}
-	if (l < 0) {
-		free(buffer);
-		return l;
-	}
-	readpos[l]='\0';
-	if (rest) {
-		rest[0] = '\0';
-	}
-	if (nbyte < readpos - buffer + l - 1) {
-		memcpy(buf, readpos - nbyte + l + 1, nbyte);
-	} else {
-		strncpy(buf, buffer, nbyte);
-	}
-	buf[nbyte-1] = '\0';
-	free(buffer);
-	return strlen(buf);
-}
-
-// make sure that enough buffer space is available starting from parserpos
-static void i3json_ensure_free(int min_free) {
-	int _step = 10240;
-	int r = min_free % _step;
-	if (r) {
-		min_free += _step - r;
-	}
-	if (!i3json_state.buffer) {
-		i3json_state.buffer = malloc(min_free);
-		i3json_state.bufsize = min_free;
-		i3json_state.parserpos = i3json_state.buffer;
-	} else {
-		int len = 0;
-		int pos = 0;
-		if (i3json_state.line_start) {
-			len = strlen(i3json_state.line_start);
-			pos = i3json_state.parserpos - i3json_state.line_start;
-			if (i3json_state.line_start != i3json_state.buffer) {
-				memmove(i3json_state.buffer, i3json_state.line_start, len+1);
-			}
-		} else {
-			len = strlen(i3json_state.buffer);
-		}
-		if (i3json_state.bufsize < len+min_free) {
-			i3json_state.bufsize += min_free;
-			if (i3json_state.bufsize > 1024000) {
-				sway_abort("Status line json too long or malformed.");
-			}
-			i3json_state.buffer = realloc(i3json_state.buffer, i3json_state.bufsize);
-			if (!i3json_state.buffer) {
-				sway_abort("Could not allocate json buffer");
-			}
-		}
-		if (i3json_state.line_start) {
-			i3json_state.line_start = i3json_state.buffer;
-			i3json_state.parserpos = i3json_state.buffer + pos;
-		} else {
-			i3json_state.parserpos = i3json_state.buffer;
-		}
-	}
-	if (!i3json_state.buffer) {
-		sway_abort("Could not allocate buffer.");
-	}
-}
-
-// append data and parse it.
-static int i3json_handle_data(struct bar *bar, char *data) {
-	int len = strlen(data);
-	i3json_ensure_free(len);
-	strcpy(i3json_state.parserpos, data);
-	return i3json_parse(bar);
-}
-
-// read data from fd and parse it.
-static int i3json_handle_fd(struct bar *bar) {
-	i3json_ensure_free(10240);
-	// get fresh data at the end of the buffer
-	int readlen = read(bar->status_read_fd, i3json_state.parserpos, 10239);
-	if (readlen < 0) {
-		return readlen;
-	}
-	i3json_state.parserpos[readlen] = '\0';
-	return i3json_parse(bar);
-}
-
-bool status_line_mouse_event(struct bar *bar, int x, int y, uint32_t button) {
-	sway_log(L_DEBUG, "status_line_mouse_event.");
-	if (!bar->status->click_events) {
-		sway_log(L_DEBUG, "click_events are not enabled.");
 		return false;
 	}
-
-	if (bar->status->protocol == I3BAR) {
-		sway_log(L_DEBUG, "Sending click event.");
-
-		// find clicked block
-		struct status_block *clicked_block = NULL;
-		struct status_block *current_block = NULL;
-		int num_blocks = bar->status->block_line->length;
-
-		if (num_blocks == 0) {
-			return false;
-		} else {
-			current_block = bar->status->block_line->items[0];
-			if (x < current_block->x) {
-				return false;
-			}
-		}
-
-		for (int i = 0; i < num_blocks; i++) {
-			current_block = bar->status->block_line->items[i];
-			if (x < (current_block->x + current_block->width)) {
-				clicked_block = current_block;
-				break;
-			}
-		}
-
-		if (!clicked_block || !clicked_block->name) {
-			return false;
-		}
-
-		// event example {"name":"capture","instance":"label","button":1,"x":3431,"y":18}
-	
-		struct json_object *event_json = json_object_new_object();
-		json_object_object_add(event_json, "name", json_object_new_string(clicked_block->name));
-		if (clicked_block->instance) {
-			json_object_object_add(event_json, "instance", json_object_new_string(clicked_block->instance));
-		}
-		json_object_object_add(event_json, "button", json_object_new_int(button));
-		json_object_object_add(event_json, "x", json_object_new_int(x));
-		json_object_object_add(event_json, "y", json_object_new_int(y));
-
-		int len = snprintf(event_buff, sizeof(event_buff), "%s\n", json_object_to_json_string(event_json));
-
-		json_object_put(event_json);
-
-		if (len <= (int)sizeof(event_buff)) { // if not truncated
-			write(bar->status_write_fd, event_buff, len);
-			return true;
-		}
-	}
-
 	return false;
 }
 
-bool handle_status_line(struct bar *bar) {
-	bool dirty = false;
+struct status_line *status_line_init(char *cmd) {
+	struct status_line *status = calloc(1, sizeof(struct status_line));
+	status->buffer_size = 4096;
+	status->buffer = malloc(status->buffer_size);
 
-	switch (bar->status->protocol) {
-	case I3BAR:
-		sway_log(L_DEBUG, "Got i3bar protocol.");
-		if (i3json_handle_fd(bar) > 0) {
-			dirty = true;
-		}
-		break;
-	case TEXT:
-		sway_log(L_DEBUG, "Got text protocol.");
-		read_line_tail(bar->status_read_fd, line, sizeof(line), line_rest);
-		dirty = true;
-		bar->status->text_line = line;
-		break;
-	case UNDEF:
-		sway_log(L_DEBUG, "Detecting protocol...");
-		if (read_line_tail(bar->status_read_fd, line, sizeof(line), line_rest) < 0) {
-			break;
-		}
-		dirty = true;
-		bar->status->text_line = line;
-		bar->status->protocol = TEXT;
-		if (line[0] == '{') {
-			// detect i3bar json protocol
-			json_object *proto = json_tokener_parse(line);
-			if (proto) {
-
-				json_object *version;
-				if (json_object_object_get_ex(proto, "version", &version)
-							&& json_object_get_int(version) == 1
-				) {
-					sway_log(L_DEBUG, "Switched to i3bar protocol.");
-					bar->status->protocol = I3BAR;
-				}
-
-				json_object *click_events;
-				if (json_object_object_get_ex(proto, "click_events", &click_events)
-						&& json_object_get_boolean(click_events)) {
-
-					sway_log(L_DEBUG, "Enabling click events.");
-					bar->status->click_events = true;
-
-					const char *events_array = "[\n";
-					write(bar->status_write_fd, events_array, strlen(events_array));
-				}
-
-				i3json_handle_data(bar, line_rest);
-
-				json_object_put(proto);
-			}
-		}
-		break;
+	int pipe_read_fd[2];
+	int pipe_write_fd[2];
+	if (pipe(pipe_read_fd) != 0 || pipe(pipe_write_fd) != 0) {
+		wlr_log(L_ERROR, "Unable to create pipes for status_command fork");
+		exit(1);
 	}
 
-	return dirty;
-}
+	status->pid = fork();
+	if (status->pid == 0) {
+		dup2(pipe_read_fd[1], STDOUT_FILENO);
+		close(pipe_read_fd[0]);
+		close(pipe_read_fd[1]);
 
-struct status_line *init_status_line() {
-	struct status_line *line = malloc(sizeof(struct status_line));
-	line->block_line = create_list();
-	line->text_line = NULL;
-	line->protocol = UNDEF;
-	line->click_events = false;
+		dup2(pipe_write_fd[0], STDIN_FILENO);
+		close(pipe_write_fd[0]);
+		close(pipe_write_fd[1]);
 
-	return line;
-}
-
-void free_status_line(struct status_line *line) {
-	if (line->block_line) {
-		list_foreach(line->block_line, free_status_block);
-		list_free(line->block_line);
+		char *const _cmd[] = { "sh", "-c", cmd, NULL, };
+		execvp(_cmd[0], _cmd);
+		exit(1);
 	}
+
+	close(pipe_read_fd[1]);
+	status->read_fd = pipe_read_fd[0];
+	fcntl(status->read_fd, F_SETFL, O_NONBLOCK);
+	close(pipe_write_fd[0]);
+	status->write_fd = pipe_write_fd[1];
+	fcntl(status->write_fd, F_SETFL, O_NONBLOCK);
+
+	status->read = fdopen(status->read_fd, "r");
+	status->write = fdopen(status->write_fd, "w");
+	return status;
+}
+
+void status_line_free(struct status_line *status) {
+	close(status->read_fd);
+	close(status->write_fd);
+	kill(status->pid, SIGTERM);
+	free(status);
 }

swaybar/tray/dbus.c

@@ -1,197 +0,0 @@
-#define _XOPEN_SOURCE 700
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdbool.h>
-#include <poll.h>
-#include <signal.h>
-#include <time.h>
-#include <dbus/dbus.h>
-#include "swaybar/tray/dbus.h"
-#include "swaybar/event_loop.h"
-#include "log.h"
-
-DBusConnection *conn = NULL;
-
-static void dispatch_watch(int fd, short mask, void *data) {
-	sway_log(L_DEBUG, "Dispatching watch");
-	DBusWatch *watch = data;
-
-	if (!dbus_watch_get_enabled(watch)) {
-		return;
-	}
-
-	uint32_t flags = 0;
-
-	if (mask & POLLIN) {
-		flags |= DBUS_WATCH_READABLE;
-	} if (mask & POLLOUT) {
-		flags |= DBUS_WATCH_WRITABLE;
-	} if (mask & POLLHUP) {
-		flags |= DBUS_WATCH_HANGUP;
-	} if (mask & POLLERR) {
-		flags |= DBUS_WATCH_ERROR;
-	}
-
-	dbus_watch_handle(watch, flags);
-}
-
-static dbus_bool_t add_watch(DBusWatch *watch, void *_data) {
-	if (!dbus_watch_get_enabled(watch)) {
-		// Watch should not be polled
-		return TRUE;
-	}
-
-	short mask = 0;
-	uint32_t flags = dbus_watch_get_flags(watch);
-
-	if (flags & DBUS_WATCH_READABLE) {
-		mask |= POLLIN;
-	} if (flags & DBUS_WATCH_WRITABLE) {
-		mask |= POLLOUT;
-	}
-
-	int fd = dbus_watch_get_unix_fd(watch);
-
-	sway_log(L_DEBUG, "Adding DBus watch fd: %d", fd);
-	add_event(fd, mask, dispatch_watch, watch);
-
-	return TRUE;
-}
-
-static void remove_watch(DBusWatch *watch, void *_data) {
-	int fd = dbus_watch_get_unix_fd(watch);
-
-	remove_event(fd);
-}
-
-static void dispatch_timeout(timer_t timer, void *data) {
-	sway_log(L_DEBUG, "Dispatching DBus timeout");
-	DBusTimeout *timeout = data;
-
-	if (dbus_timeout_get_enabled(timeout)) {
-		dbus_timeout_handle(timeout);
-	}
-}
-
-static dbus_bool_t add_timeout(DBusTimeout *timeout, void *_data) {
-	if (!dbus_timeout_get_enabled(timeout)) {
-		return TRUE;
-	}
-
-	timer_t *timer = malloc(sizeof(timer_t));
-	if (!timer) {
-		sway_log(L_ERROR, "Cannot allocate memory");
-		return FALSE;
-	}
-	struct sigevent ev = {
-		.sigev_notify = SIGEV_NONE,
-	};
-
-	if (timer_create(CLOCK_MONOTONIC, &ev, timer)) {
-		sway_log(L_ERROR, "Could not create DBus timer");
-		return FALSE;
-	}
-
-	int interval = dbus_timeout_get_interval(timeout);
-	int interval_sec = interval / 1000;
-	int interval_msec = (interval_sec * 1000) - interval;
-
-	struct timespec period = {
-		(time_t) interval_sec,
-		((long) interval_msec) * 1000 * 1000,
-	};
-	struct itimerspec time = {
-		period,
-		period,
-	};
-
-	timer_settime(*timer, 0, &time, NULL);
-
-	dbus_timeout_set_data(timeout, timer, NULL);
-
-	sway_log(L_DEBUG, "Adding DBus timeout. Interval: %ds %dms", interval_sec, interval_msec);
-	add_timer(*timer, dispatch_timeout, timeout);
-
-	return TRUE;
-}
-static void remove_timeout(DBusTimeout *timeout, void *_data) {
-	timer_t *timer = (timer_t *) dbus_timeout_get_data(timeout);
-	sway_log(L_DEBUG, "Removing DBus timeout.");
-
-	if (timer) {
-		remove_timer(*timer);
-		timer_delete(*timer);
-		free(timer);
-	}
-}
-
-static bool should_dispatch = true;
-
-static void dispatch_status(DBusConnection *connection, DBusDispatchStatus new_status,
-		void *_data) {
-	if (new_status == DBUS_DISPATCH_DATA_REMAINS) {
-		should_dispatch = true;
-	}
-}
-
-/* Public functions below */
-
-void dispatch_dbus() {
-	if (!should_dispatch || !conn) {
-		return;
-	}
-
-	DBusDispatchStatus status;
-
-	do {
-		status = dbus_connection_dispatch(conn);
-	} while (status == DBUS_DISPATCH_DATA_REMAINS);
-
-	if (status != DBUS_DISPATCH_COMPLETE) {
-		sway_log(L_ERROR, "Cannot dispatch dbus events: %d", status);
-	}
-
-	should_dispatch = false;
-}
-
-int dbus_init() {
-	DBusError error;
-	dbus_error_init(&error);
-
-	conn = dbus_bus_get(DBUS_BUS_SESSION, &error);
-	if (conn == NULL) {
-		sway_log(L_INFO, "Compiled with dbus support, but unable to connect to dbus");
-		sway_log(L_INFO, "swaybar will be unable to display tray icons.");
-		return -1;
-	}
-
-	dbus_connection_set_exit_on_disconnect(conn, FALSE);
-	if (dbus_error_is_set(&error)) {
-		sway_log(L_ERROR, "Cannot get bus connection: %s\n", error.message);
-		conn = NULL;
-		return -1;
-	}
-
-	sway_log(L_INFO, "Unique name: %s\n", dbus_bus_get_unique_name(conn));
-
-	// Will be called if dispatch status changes
-	dbus_connection_set_dispatch_status_function(conn, dispatch_status, NULL, NULL);
-
-	if (!dbus_connection_set_watch_functions(conn, add_watch, remove_watch,
-			NULL, NULL, NULL)) {
-		dbus_connection_set_watch_functions(conn, NULL, NULL, NULL, NULL, NULL);
-		sway_log(L_ERROR, "Failed to activate DBUS watch functions");
-		return -1;
-	}
-
-	if (!dbus_connection_set_timeout_functions(conn, add_timeout, remove_timeout,
-			NULL, NULL, NULL)) {
-		dbus_connection_set_watch_functions(conn, NULL, NULL, NULL, NULL, NULL);
-		dbus_connection_set_timeout_functions(conn, NULL, NULL, NULL, NULL, NULL);
-		sway_log(L_ERROR, "Failed to activate DBUS timeout functions");
-		return -1;
-	}
-
-	return 0;
-}

swaybar/tray/icon.c

@@ -1,400 +0,0 @@
-#define _XOPEN_SOURCE 700
-#define _POSIX_C_SOURCE 200809L
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <dirent.h>
-#include <sys/stat.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <limits.h>
-#include "swaybar/tray/icon.h"
-#include "swaybar/bar.h"
-#include "swaybar/config.h"
-#include "stringop.h"
-#include "log.h"
-
-/**
- * REVIEW:
- * This file repeats lots of "costly" operations that are the same for every
- * icon. It's possible to create a dictionary or some other structure to cache
- * these, though it may complicate things somewhat.
- *
- * Also parsing (index.theme) is currently pretty messy, so that could be made
- * much better as well. Over all, things work, but are not optimal.
- */
-
-/* Finds all themes that the given theme inherits */
-static list_t *find_inherits(const char *theme_dir) {
-	const char inherits[] = "Inherits";
-	const char index_name[] = "index.theme";
-	list_t *themes = create_list();
-	FILE *index = NULL;
-	char *path = malloc(strlen(theme_dir) + sizeof(index_name));
-	if (!path) {
-		goto fail;
-	}
-	if (!themes) {
-		goto fail;
-	}
-
-	strcpy(path, theme_dir);
-	strcat(path, index_name);
-
-	index = fopen(path, "r");
-	if (!index) {
-		goto fail;
-	}
-
-	char *buf = NULL;
-	size_t n = 0;
-	while (!feof(index) && getline(&buf, &n, index) != -1) {
-		if (n <= sizeof(inherits) + 1) {
-			continue;
-		}
-		if (strncmp(inherits, buf, sizeof(inherits) - 1) == 0) {
-			char *themestr = buf + sizeof(inherits);
-			themes = split_string(themestr, ",");
-			break;
-		}
-	}
-	free(buf);
-
-fail:
-	free(path);
-	if (index) {
-		fclose(index);
-	}
-	return themes;
-}
-
-static bool isdir(const char *path) {
-	struct stat statbuf;
-	if (stat(path, &statbuf) != -1) {
-		if (S_ISDIR(statbuf.st_mode)) {
-			return true;
-		}
-	}
-	return false;
-
-}
-
-/**
- * Returns the directory of a given theme if it exists.
- * The returned pointer must be freed.
- */
-static char *find_theme_dir(const char *theme) {
-	char *basedir;
-	char *icon_dir;
-
-	if (!theme) {
-		return NULL;
-	}
-
-	if (!(icon_dir = malloc(1024))) {
-		sway_log(L_ERROR, "Out of memory!");
-		goto fail;
-	}
-
-	if ((basedir = getenv("HOME"))) {
-		if (snprintf(icon_dir, 1024, "%s/.icons/%s", basedir, theme) >= 1024) {
-			sway_log(L_ERROR, "Path too long to render");
-			// XXX perhaps just goto trying in /usr/share? This
-			// shouldn't happen anyway, but might with a long global
-			goto fail;
-		}
-
-		if (isdir(icon_dir)) {
-			return icon_dir;
-		}
-	}
-
-	if ((basedir = getenv("XDG_DATA_DIRS"))) {
-		if (snprintf(icon_dir, 1024, "%s/icons/%s", basedir, theme) >= 1024) {
-			sway_log(L_ERROR, "Path too long to render");
-			// ditto
-			goto fail;
-		}
-
-		if (isdir(icon_dir)) {
-			return icon_dir;
-		}
-	}
-
-	// Spec says use "/usr/share/pixmaps/", but I see everything in
-	// "/usr/share/icons/" look it both, I suppose.
-	if (snprintf(icon_dir, 1024, "/usr/share/pixmaps/%s", theme) >= 1024) {
-		sway_log(L_ERROR, "Path too long to render");
-		goto fail;
-	}
-	if (isdir(icon_dir)) {
-		return icon_dir;
-	}
-
-	if (snprintf(icon_dir, 1024, "/usr/share/icons/%s", theme) >= 1024) {
-		sway_log(L_ERROR, "Path too long to render");
-		goto fail;
-	}
-	if (isdir(icon_dir)) {
-		return icon_dir;
-	}
-
-fail:
-	free(icon_dir);
-	sway_log(L_ERROR, "Could not find dir for theme: %s", theme);
-	return NULL;
-}
-
-/**
- * Returns all theme dirs needed to be looked in for an icon.
- * Does not check for duplicates
- */
-static list_t *find_all_theme_dirs(const char *theme) {
-	list_t *dirs = create_list();
-	if (!dirs) {
-		return NULL;
-	}
-	char *dir = find_theme_dir(theme);
-	if (dir) {
-		list_add(dirs, dir);
-		list_t *inherits = find_inherits(dir);
-		list_cat(dirs, inherits);
-		list_free(inherits);
-	}
-	dir = find_theme_dir("hicolor");
-	if (dir) {
-		list_add(dirs, dir);
-	}
-
-	return dirs;
-}
-
-struct subdir {
-	int size;
-	char name[];
-};
-
-static int subdir_str_cmp(const void *_subdir, const void *_str) {
-	const struct subdir *subdir = _subdir;
-	const char *str = _str;
-	return strcmp(subdir->name, str);
-}
-/**
- * Helper to find_subdirs. Acts similar to `split_string(subdirs, ",")` but
- * generates a list of struct subdirs
- */
-static list_t *split_subdirs(char *subdir_str) {
-	list_t *subdir_list = create_list();
-	char *copy = strdup(subdir_str);
-	if (!subdir_list || !copy) {
-		list_free(subdir_list);
-		free(copy);
-		return NULL;
-	}
-
-	char *token;
-	token = strtok(copy, ",");
-	while(token) {
-		int len = strlen(token) + 1;
-		struct subdir *subdir =
-			malloc(sizeof(struct subdir) + sizeof(char [len]));
-		if (!subdir) {
-			// Return what we have
-			return subdir_list;
-		}
-		subdir->size = 0;
-		strcpy(subdir->name, token);
-
-		list_add(subdir_list, subdir);
-
-		token = strtok(NULL, ",");
-	}
-	free(copy);
-
-	return subdir_list;
-}
-/**
- * Returns a list of all subdirectories of a theme.
- * Take note: the subdir names are all relative to `theme_dir` and must be
- * combined with it to form a valid directory.
- *
- * Each member of the list is of type (struct subdir *) this struct contains
- * the name of the subdir, along with size information. These must be freed
- * bye the caller.
- *
- * This currently ignores min and max sizes of icons.
- */
-static list_t* find_theme_subdirs(const char *theme_dir) {
-	const char index_name[] = "/index.theme";
-	list_t *dirs = NULL;
-	char *path = malloc(strlen(theme_dir) + sizeof(index_name));
-	FILE *index = NULL;
-	if (!path) {
-		sway_log(L_ERROR, "Failed to allocate memory");
-		goto fail;
-	}
-
-	strcpy(path, theme_dir);
-	strcat(path, index_name);
-
-	index = fopen(path, "r");
-	if (!index) {
-		sway_log(L_ERROR, "Could not open file: %s", path);
-		goto fail;
-	}
-
-	char *buf = NULL;
-	size_t n = 0;
-	const char directories[] = "Directories";
-	while (!feof(index) && getline(&buf, &n, index) != -1) {
-		if (n <= sizeof(directories) + 1) {
-			continue;
-		}
-		if (strncmp(directories, buf, sizeof(directories) - 1) == 0) {
-			char *dirstr = buf + sizeof(directories);
-			dirs = split_subdirs(dirstr);
-			break;
-		}
-	}
-	// Now, find the size of each dir
-	struct subdir *current_subdir = NULL;
-	const char size[] = "Size";
-	while (!feof(index) && getline(&buf, &n, index) != -1) {
-		if (buf[0] == '[') {
-			int len = strlen(buf);
-			if (buf[len-1] == '\n') {
-				len--;
-			}
-			// replace ']'
-			buf[len-1] = '\0';
-
-			int index;
-			if ((index = list_seq_find(dirs, subdir_str_cmp, buf+1)) != -1) {
-				current_subdir = (dirs->items[index]);
-			}
-		}
-
-		if (strncmp(size, buf, sizeof(size) - 1) == 0) {
-			if (current_subdir) {
-				current_subdir->size = atoi(buf + sizeof(size));
-			}
-		}
-	}
-	free(buf);
-fail:
-	free(path);
-	if (index) {
-		fclose(index);
-	}
-	return dirs;
-}
-
-/* Returns the file of an icon given its name and size */
-static char *find_icon_file(const char *name, int size) {
-	int namelen = strlen(name);
-	list_t *dirs = find_all_theme_dirs(swaybar.config->icon_theme);
-	if (!dirs) {
-		return NULL;
-	}
-	int min_size_diff = INT_MAX;
-	char *current_file = NULL;
-
-	for (int i = 0; i < dirs->length; ++i) {
-		char *dir = dirs->items[i];
-		list_t *subdirs = find_theme_subdirs(dir);
-
-		if (!subdirs) {
-			continue;
-		}
-
-		for (int i = 0; i < subdirs->length; ++i) {
-			struct subdir *subdir = subdirs->items[i];
-
-			// Only use an unsized if we don't already have a
-			// canidate this should probably change to allow svgs
-			if (!subdir->size && current_file) {
-				continue;
-			}
-
-			int size_diff = abs(size - subdir->size);
-
-			if (size_diff >= min_size_diff) {
-				continue;
-			}
-
-			char *path = malloc(strlen(subdir->name) + strlen(dir) + 2);
-
-			strcpy(path, dir);
-			path[strlen(dir)] = '/';
-			strcpy(path + strlen(dir) + 1, subdir->name);
-
-			DIR *icons = opendir(path);
-			if (!icons) {
-				free(path);
-				continue;
-			}
-
-			struct dirent *direntry;
-			while ((direntry = readdir(icons)) != NULL) {
-				int len = strlen(direntry->d_name);
-				if (len <= namelen + 2) { //must have some ext
-					continue;
-				}
-				if (strncmp(direntry->d_name, name, namelen) == 0) {
-					char *ext = direntry->d_name + namelen + 1;
-#ifdef WITH_GDK_PIXBUF
-					if (strcmp(ext, "png") == 0 ||
-							strcmp(ext, "xpm") == 0 ||
-							strcmp(ext, "svg") == 0) {
-#else
-					if (strcmp(ext, "png") == 0) {
-#endif
-						free(current_file);
-						char *icon_path = malloc(strlen(path) + len + 2);
-
-						strcpy(icon_path, path);
-						icon_path[strlen(path)] = '/';
-						strcpy(icon_path + strlen(path) + 1, direntry->d_name);
-						current_file = icon_path;
-						min_size_diff = size_diff;
-					}
-				}
-			}
-			free(path);
-			closedir(icons);
-		}
-		free_flat_list(subdirs);
-	}
-	free_flat_list(dirs);
-
-	return current_file;
-}
-
-cairo_surface_t *find_icon(const char *name, int size) {
-	char *image_path = find_icon_file(name, size);
-	if (image_path == NULL) {
-		return NULL;
-	}
-
-	cairo_surface_t *image = NULL;
-#ifdef WITH_GDK_PIXBUF
-	GError *err = NULL;
-	GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(image_path, &err);
-	if (!pixbuf) {
-		sway_log(L_ERROR, "Failed to load icon image: %s", err->message);
-	}
-	image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
-	g_object_unref(pixbuf);
-#else
-	// TODO make svg work? cairo supports it. maybe remove gdk alltogether
-	image = cairo_image_surface_create_from_png(image_path);
-#endif //WITH_GDK_PIXBUF
-	if (!image) {
-		sway_log(L_ERROR, "Could not read icon image");
-		return NULL;
-	}
-
-	free(image_path);
-	return image;
-}

swaybar/tray/sni.c

@@ -1,481 +0,0 @@
-#define _XOPEN_SOURCE 500
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdint.h>
-#include <stdbool.h>
-#include <dbus/dbus.h>
-#include <arpa/inet.h>
-#include <netinet/in.h>
-#include "swaybar/tray/dbus.h"
-#include "swaybar/tray/sni.h"
-#include "swaybar/tray/icon.h"
-#include "swaybar/bar.h"
-#include "client/cairo.h"
-#include "log.h"
-
-// Not sure what this is but cairo needs it.
-static const cairo_user_data_key_t cairo_user_data_key;
-
-struct sni_icon_ref *sni_icon_ref_create(struct StatusNotifierItem *item,
-		int height) {
-	struct sni_icon_ref *sni_ref = malloc(sizeof(struct sni_icon_ref));
-	if (!sni_ref) {
-		return NULL;
-	}
-	sni_ref->icon = cairo_image_surface_scale(item->image, height, height);
-	sni_ref->ref = item;
-
-	return sni_ref;
-}
-
-void sni_icon_ref_free(struct sni_icon_ref *sni_ref) {
-	if (!sni_ref) {
-		return;
-	}
-	cairo_surface_destroy(sni_ref->icon);
-	free(sni_ref);
-}
-
-/* Gets the pixmap of an icon */
-static void reply_icon(DBusPendingCall *pending, void *_data) {
-	struct StatusNotifierItem *item = _data;
-
-	DBusMessage *reply = dbus_pending_call_steal_reply(pending);
-
-	if (!reply) {
-		sway_log(L_ERROR, "Did not get reply");
-		goto bail;
-	}
-
-	int message_type = dbus_message_get_type(reply);
-
-	if (message_type == DBUS_MESSAGE_TYPE_ERROR) {
-		char *msg;
-
-		dbus_message_get_args(reply, NULL,
-				DBUS_TYPE_STRING, &msg,
-				DBUS_TYPE_INVALID);
-
-		sway_log(L_ERROR, "Message is error: %s", msg);
-		goto bail;
-	}
-
-	DBusMessageIter iter;
-	DBusMessageIter variant; /* v[a(iiay)] */
-	DBusMessageIter array; /* a(iiay) */
-	DBusMessageIter d_struct; /* (iiay) */
-	DBusMessageIter icon; /* ay */
-
-	dbus_message_iter_init(reply, &iter);
-
-	// Each if here checks the types above before recursing
-	if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
-		sway_log(L_ERROR, "Relpy type incorrect");
-		sway_log(L_ERROR, "Should be \"v\", is \"%s\"",
-				dbus_message_iter_get_signature(&iter));
-		goto bail;
-	}
-	dbus_message_iter_recurse(&iter, &variant);
-
-	if (strcmp("a(iiay)", dbus_message_iter_get_signature(&variant)) != 0) {
-		sway_log(L_ERROR, "Relpy type incorrect");
-		sway_log(L_ERROR, "Should be \"a(iiay)\", is \"%s\"",
-				dbus_message_iter_get_signature(&variant));
-		goto bail;
-	}
-
-	if (dbus_message_iter_get_element_count(&variant) == 0) {
-		// Can't recurse if there are no items
-		sway_log(L_INFO, "Item has no icon");
-		goto bail;
-	}
-	dbus_message_iter_recurse(&variant, &array);
-
-	dbus_message_iter_recurse(&array, &d_struct);
-
-	int width;
-	dbus_message_iter_get_basic(&d_struct, &width);
-	dbus_message_iter_next(&d_struct);
-
-	int height;
-	dbus_message_iter_get_basic(&d_struct, &height);
-	dbus_message_iter_next(&d_struct);
-
-	int len = dbus_message_iter_get_element_count(&d_struct);
-
-	if (!len) {
-		sway_log(L_ERROR, "No icon data");
-		goto bail;
-	}
-
-	// Also implies len % 4 == 0, useful below
-	if (len != width * height * 4) {
-		sway_log(L_ERROR, "Incorrect array size passed");
-		goto bail;
-	}
-
-	dbus_message_iter_recurse(&d_struct, &icon);
-
-	int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
-	// FIXME support a variable stride
-	// (works on my machine though for all tested widths)
-	if (!sway_assert(stride == width * 4, "Stride must be equal to byte length")) {
-		goto bail;
-	}
-
-	// Data is by reference, no need to free
-	uint8_t *message_data;
-	dbus_message_iter_get_fixed_array(&icon, &message_data, &len);
-
-	uint8_t *image_data = malloc(stride * height);
-	if (!image_data) {
-		sway_log(L_ERROR, "Could not allocate memory for icon");
-		goto bail;
-	}
-
-	// Transform from network byte order to host byte order
-	// Assumptions are safe because the equality above
-	uint32_t *network = (uint32_t *) message_data;
-	uint32_t *host = (uint32_t *)image_data;
-	for (int i = 0; i < width * height; ++i) {
-		host[i] = ntohl(network[i]);
-	}
-
-	cairo_surface_t *image = cairo_image_surface_create_for_data(
-			image_data, CAIRO_FORMAT_ARGB32,
-			width, height, stride);
-
-	if (image) {
-		if (item->image) {
-			cairo_surface_destroy(item->image);
-		}
-		item->image = image;
-		// Free the image data on surface destruction
-		cairo_surface_set_user_data(image,
-				&cairo_user_data_key,
-				image_data,
-				free);
-		item->dirty = true;
-		dirty = true;
-
-		dbus_message_unref(reply);
-		dbus_pending_call_unref(pending);
-		return;
-	} else {
-		sway_log(L_ERROR, "Could not create image surface");
-		free(image_data);
-	}
-
-bail:
-	if (reply) {
-		dbus_message_unref(reply);
-	}
-	dbus_pending_call_unref(pending);
-	sway_log(L_ERROR, "Could not get icon from item");
-	return;
-}
-static void send_icon_msg(struct StatusNotifierItem *item) {
-	DBusPendingCall *pending;
-	DBusMessage *message = dbus_message_new_method_call(
-			item->name,
-			"/StatusNotifierItem",
-			"org.freedesktop.DBus.Properties",
-			"Get");
-	const char *iface;
-	if (item->kde_special_snowflake) {
-		iface = "org.kde.StatusNotifierItem";
-	} else {
-		iface = "org.freedesktop.StatusNotifierItem";
-	}
-	const char *prop = "IconPixmap";
-
-	dbus_message_append_args(message,
-			DBUS_TYPE_STRING, &iface,
-			DBUS_TYPE_STRING, &prop,
-			DBUS_TYPE_INVALID);
-
-	bool status =
-		dbus_connection_send_with_reply(conn, message, &pending, -1);
-
-	dbus_message_unref(message);
-
-	if (!(pending || status)) {
-		sway_log(L_ERROR, "Could not get item icon");
-		return;
-	}
-
-	dbus_pending_call_set_notify(pending, reply_icon, item, NULL);
-}
-
-/* Get an icon by its name */
-static void reply_icon_name(DBusPendingCall *pending, void *_data) {
-	struct StatusNotifierItem *item = _data;
-
-	DBusMessage *reply = dbus_pending_call_steal_reply(pending);
-
-	if (!reply) {
-		sway_log(L_INFO, "Got no icon name reply from item");
-		goto bail;
-	}
-
-	int message_type = dbus_message_get_type(reply);
-
-	if (message_type == DBUS_MESSAGE_TYPE_ERROR) {
-		char *msg;
-
-		dbus_message_get_args(reply, NULL,
-				DBUS_TYPE_STRING, &msg,
-				DBUS_TYPE_INVALID);
-
-		sway_log(L_INFO, "Could not get icon name: %s", msg);
-		goto bail;
-	}
-
-	DBusMessageIter iter; /* v[s] */
-	DBusMessageIter variant; /* s */
-
-	dbus_message_iter_init(reply, &iter);
-	if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
-		sway_log(L_ERROR, "Relpy type incorrect");
-		sway_log(L_ERROR, "Should be \"v\", is \"%s\"",
-				dbus_message_iter_get_signature(&iter));
-		goto bail;
-	}
-	dbus_message_iter_recurse(&iter, &variant);
-
-
-	if (dbus_message_iter_get_arg_type(&variant) != DBUS_TYPE_STRING) {
-		sway_log(L_ERROR, "Relpy type incorrect");
-		sway_log(L_ERROR, "Should be \"s\", is \"%s\"",
-				dbus_message_iter_get_signature(&iter));
-		goto bail;
-	}
-
-	char *icon_name;
-	dbus_message_iter_get_basic(&variant, &icon_name);
-
-	cairo_surface_t *image = find_icon(icon_name, 256);
-
-	if (image) {
-		sway_log(L_DEBUG, "Icon for %s found with size %d", icon_name,
-				cairo_image_surface_get_width(image));
-		if (item->image) {
-			cairo_surface_destroy(item->image);
-		}
-		item->image = image;
-		item->dirty = true;
-		dirty = true;
-
-		dbus_message_unref(reply);
-		dbus_pending_call_unref(pending);
-		return;
-	}
-
-bail:
-	if (reply) {
-		dbus_message_unref(reply);
-	}
-	dbus_pending_call_unref(pending);
-	// Now try the pixmap
-	send_icon_msg(item);
-	return;
-}
-static void send_icon_name_msg(struct StatusNotifierItem *item) {
-	DBusPendingCall *pending;
-	DBusMessage *message = dbus_message_new_method_call(
-			item->name,
-			"/StatusNotifierItem",
-			"org.freedesktop.DBus.Properties",
-			"Get");
-	const char *iface;
-	if (item->kde_special_snowflake) {
-		iface = "org.kde.StatusNotifierItem";
-	} else {
-		iface = "org.freedesktop.StatusNotifierItem";
-	}
-	const char *prop = "IconName";
-
-	dbus_message_append_args(message,
-			DBUS_TYPE_STRING, &iface,
-			DBUS_TYPE_STRING, &prop,
-			DBUS_TYPE_INVALID);
-
-	bool status =
-		dbus_connection_send_with_reply(conn, message, &pending, -1);
-
-	dbus_message_unref(message);
-
-	if (!(pending || status)) {
-		sway_log(L_ERROR, "Could not get item icon name");
-		return;
-	}
-
-	dbus_pending_call_set_notify(pending, reply_icon_name, item, NULL);
-}
-
-void get_icon(struct StatusNotifierItem *item) {
-	send_icon_name_msg(item);
-}
-
-void sni_activate(struct StatusNotifierItem *item, uint32_t x, uint32_t y) {
-	const char *iface =
-		(item->kde_special_snowflake ? "org.kde.StatusNotifierItem"
-		 : "org.freedesktop.StatusNotifierItem");
-	DBusMessage *message = dbus_message_new_method_call(
-			item->name,
-			"/StatusNotifierItem",
-			iface,
-			"Activate");
-
-	dbus_message_append_args(message,
-			DBUS_TYPE_INT32, &x,
-			DBUS_TYPE_INT32, &y,
-			DBUS_TYPE_INVALID);
-
-	dbus_connection_send(conn, message, NULL);
-
-	dbus_message_unref(message);
-}
-
-void sni_context_menu(struct StatusNotifierItem *item, uint32_t x, uint32_t y) {
-	const char *iface =
-		(item->kde_special_snowflake ? "org.kde.StatusNotifierItem"
-		 : "org.freedesktop.StatusNotifierItem");
-	DBusMessage *message = dbus_message_new_method_call(
-			item->name,
-			"/StatusNotifierItem",
-			iface,
-			"ContextMenu");
-
-	dbus_message_append_args(message,
-			DBUS_TYPE_INT32, &x,
-			DBUS_TYPE_INT32, &y,
-			DBUS_TYPE_INVALID);
-
-	dbus_connection_send(conn, message, NULL);
-
-	dbus_message_unref(message);
-}
-void sni_secondary(struct StatusNotifierItem *item, uint32_t x, uint32_t y) {
-	const char *iface =
-		(item->kde_special_snowflake ? "org.kde.StatusNotifierItem"
-		 : "org.freedesktop.StatusNotifierItem");
-	DBusMessage *message = dbus_message_new_method_call(
-			item->name,
-			"/StatusNotifierItem",
-			iface,
-			"SecondaryActivate");
-
-	dbus_message_append_args(message,
-			DBUS_TYPE_INT32, &x,
-			DBUS_TYPE_INT32, &y,
-			DBUS_TYPE_INVALID);
-
-	dbus_connection_send(conn, message, NULL);
-
-	dbus_message_unref(message);
-}
-
-static void get_unique_name(struct StatusNotifierItem *item) {
-	// I think that we're fine being sync here becaues the message is
-	// directly to the message bus. Could be async though.
-	DBusMessage *message = dbus_message_new_method_call(
-			"org.freedesktop.DBus",
-			"/org/freedesktop/DBus",
-			"org.freedesktop.DBus",
-			"GetNameOwner");
-
-	dbus_message_append_args(message,
-			DBUS_TYPE_STRING, &item->name,
-			DBUS_TYPE_INVALID);
-
-	DBusMessage *reply = dbus_connection_send_with_reply_and_block(
-			conn, message, -1, NULL);
-
-	dbus_message_unref(message);
-
-	if (!reply) {
-		sway_log(L_ERROR, "Could not get unique name for item: %s",
-				item->name);
-		return;
-	}
-
-	char *unique_name;
-	if (!dbus_message_get_args(reply, NULL,
-				DBUS_TYPE_STRING, &unique_name,
-				DBUS_TYPE_INVALID)) {
-		sway_log(L_ERROR, "Error parsing method args");
-	} else {
-		if (item->unique_name) {
-			free(item->unique_name);
-		}
-		item->unique_name = strdup(unique_name);
-	}
-
-	dbus_message_unref(reply);
-}
-
-struct StatusNotifierItem *sni_create(const char *name) {
-	// Make sure `name` is well formed
-	if (!dbus_validate_bus_name(name, NULL)) {
-		sway_log(L_INFO, "Name (%s) is not a bus name. We cannot create an item.", name);
-		return NULL;
-	}
-
-	struct StatusNotifierItem *item = malloc(sizeof(struct StatusNotifierItem));
-	item->name = strdup(name);
-	item->unique_name = NULL;
-	item->image = NULL;
-	item->dirty = false;
-
-	// If it doesn't use this name then assume that it uses the KDE spec
-	// This is because xembed-sni-proxy uses neither "org.freedesktop" nor
-	// "org.kde" and just gives us the items "unique name"
-	//
-	// We could use this to our advantage and fill out the "unique name"
-	// field with the given name if it is neither freedesktop or kde, but
-	// that's makes us rely on KDE hackyness which is bad practice
-	const char freedesktop_name[] = "org.freedesktop";
-	if (strncmp(name, freedesktop_name, sizeof(freedesktop_name) - 1) != 0) {
-		item->kde_special_snowflake = true;
-	} else {
-		item->kde_special_snowflake = false;
-	}
-
-	get_icon(item);
-
-	get_unique_name(item);
-
-	return item;
-}
-/* Return 0 if `item` has a name of `str` */
-int sni_str_cmp(const void *_item, const void *_str) {
-	const struct StatusNotifierItem *item = _item;
-	const char *str = _str;
-
-	return strcmp(item->name, str);
-}
-/* Returns 0 if `item` has a unique name of `str` */
-int sni_uniq_cmp(const void *_item, const void *_str) {
-	const struct StatusNotifierItem *item = _item;
-	const char *str = _str;
-
-	if (!item->unique_name) {
-		return false;
-	}
-	return strcmp(item->unique_name, str);
-}
-void sni_free(struct StatusNotifierItem *item) {
-	if (!item) {
-		return;
-	}
-	free(item->name);
-	if (item->unique_name) {
-		free(item->unique_name);
-	}
-	if (item->image) {
-		cairo_surface_destroy(item->image);
-	}
-	free(item);
-}

swaybar/tray/sni_watcher.c

@@ -1,497 +0,0 @@
-#define _XOPEN_SOURCE 500
-#include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdbool.h>
-#include <dbus/dbus.h>
-#include "swaybar/tray/dbus.h"
-#include "list.h"
-#include "log.h"
-
-static list_t *items = NULL;
-static list_t *hosts = NULL;
-
-/**
- * Describes the function of the StatusNotifierWatcher
- * See https://freedesktop.org/wiki/Specifications/StatusNotifierItem/StatusNotifierWatcher/
- *
- * We also implement KDE's special snowflake protocol, it's like this but with
- * all occurrences 'freedesktop' replaced with 'kde'. There is no KDE introspect.
- */
-static const char *interface_xml =
-	"<!DOCTYPE node PUBLIC '-//freedesktop//DTD D-BUS Object Introspection 1.0//EN'"
-	"'http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd'>"
-	"<node>"
-	"  <interface name='org.freedesktop.DBus.Introspectable'>"
-	"    <method name='Introspect'>"
-	"       <arg name='xml_data' direction='out' type='s'/>"
-	"    </method>"
-	"  </interface>"
-	"  <interface name='org.freedesktop.DBus.Properties'>"
-	"    <method name='Get'>"
-	"       <arg name='interface' direction='in' type='s'/>"
-	"       <arg name='propname' direction='in' type='s'/>"
-	"       <arg name='value' direction='out' type='v'/>"
-	"    </method>"
-	"    <method name='Set'>"
-	"       <arg name='interface' direction='in' type='s'/>"
-	"       <arg name='propname' direction='in' type='s'/>"
-	"       <arg name='value' direction='in' type='v'/>"
-	"    </method>"
-	"    <method name='GetAll'>"
-	"       <arg name='interface' direction='in' type='s'/>"
-	"       <arg name='props' direction='out' type='a{sv}'/>"
-	"    </method>"
-	"  </interface>"
-	"  <interface name='org.freedesktop.StatusNotifierWatcher'>"
-	"    <method name='RegisterStatusNotifierItem'>"
-	"      <arg type='s' name='service' direction='in'/>"
-	"    </method>"
-	"    <method name='RegisterStatusNotifierHost'>"
-	"      <arg type='s' name='service' direction='in'/>"
-	"    </method>"
-	"    <property name='RegisteredStatusNotifierItems' type='as' access='read'/>"
-	"    <property name='IsStatusNotifierHostRegistered' type='b' access='read'/>"
-	"    <property name='ProtocolVersion' type='i' access='read'/>"
-	"    <signal name='StatusNotifierItemRegistered'>"
-	"      <arg type='s' name='service' direction='out'/>"
-	"    </signal>"
-	"    <signal name='StatusNotifierItemUnregistered'>"
-	"      <arg type='s' name='service' direction='out'/>"
-	"    </signal>"
-	"    <signal name='StatusNotifierHostRegistered'>"
-	"      <arg type='' name='service' direction='out'/>"
-	"    </signal>"
-	"  </interface>"
-	"</node>";
-
-static void host_registered_signal(DBusConnection *connection) {
-	// Send one signal for each protocol
-	DBusMessage *signal = dbus_message_new_signal(
-			"/StatusNotifierWatcher",
-			"org.freedesktop.StatusNotifierWatcher",
-			"StatusNotifierHostRegistered");
-
-	dbus_connection_send(connection, signal, NULL);
-	dbus_message_unref(signal);
-
-
-	signal = dbus_message_new_signal(
-			"/StatusNotifierWatcher",
-			"org.kde.StatusNotifierWatcher",
-			"StatusNotifierHostRegistered");
-
-	dbus_connection_send(connection, signal, NULL);
-	dbus_message_unref(signal);
-}
-static void item_registered_signal(DBusConnection *connection, const char *name) {
-	DBusMessage *signal = dbus_message_new_signal(
-			"/StatusNotifierWatcher",
-			"org.freedesktop.StatusNotifierWatcher",
-			"StatusNotifierItemRegistered");
-	dbus_message_append_args(signal,
-			DBUS_TYPE_STRING, &name,
-			DBUS_TYPE_INVALID);
-	dbus_connection_send(connection, signal, NULL);
-	dbus_message_unref(signal);
-
-	signal = dbus_message_new_signal(
-			"/StatusNotifierWatcher",
-			"org.kde.StatusNotifierWatcher",
-			"StatusNotifierItemRegistered");
-	dbus_message_append_args(signal,
-			DBUS_TYPE_STRING, &name,
-			DBUS_TYPE_INVALID);
-	dbus_connection_send(connection, signal, NULL);
-	dbus_message_unref(signal);
-}
-static void item_unregistered_signal(DBusConnection *connection, const char *name) {
-	DBusMessage *signal = dbus_message_new_signal(
-			"/StatusNotifierWatcher",
-			"org.freedesktop.StatusNotifierWatcher",
-			"StatusNotifierItemUnregistered");
-	dbus_message_append_args(signal,
-			DBUS_TYPE_STRING, &name,
-			DBUS_TYPE_INVALID);
-	dbus_connection_send(connection, signal, NULL);
-	dbus_message_unref(signal);
-
-	signal = dbus_message_new_signal(
-			"/StatusNotifierWatcher",
-			"org.kde.StatusNotifierWatcher",
-			"StatusNotifierItemUnregistered");
-	dbus_message_append_args(signal,
-			DBUS_TYPE_STRING, &name,
-			DBUS_TYPE_INVALID);
-	dbus_connection_send(connection, signal, NULL);
-	dbus_message_unref(signal);
-}
-
-static void respond_to_introspect(DBusConnection *connection, DBusMessage *request) {
-	DBusMessage *reply;
-
-	reply = dbus_message_new_method_return(request);
-	dbus_message_append_args(reply,
-			DBUS_TYPE_STRING, &interface_xml,
-			DBUS_TYPE_INVALID);
-	dbus_connection_send(connection, reply, NULL);
-	dbus_message_unref(reply);
-}
-
-static void register_item(DBusConnection *connection, DBusMessage *message) {
-	DBusError error;
-	char *name;
-
-	dbus_error_init(&error);
-	if (!dbus_message_get_args(message, &error,
-				DBUS_TYPE_STRING, &name,
-				DBUS_TYPE_INVALID)) {
-		sway_log(L_ERROR, "Error parsing method args: %s\n", error.message);
-	}
-
-	sway_log(L_INFO, "RegisterStatusNotifierItem called with \"%s\"\n", name);
-
-	// Don't add duplicate or not real item
-	if (!dbus_validate_bus_name(name, NULL)) {
-		sway_log(L_INFO, "This item is not valid, we cannot keep track of it.");
-		return;
-	}
-
-	if (list_seq_find(items, (int (*)(const void *, const void *))strcmp, name) != -1) {
-		return;
-	}
-	if (!dbus_bus_name_has_owner(connection, name, &error)) {
-		return;
-	}
-
-	list_add(items, strdup(name));
-	item_registered_signal(connection, name);
-
-	// It's silly, but xembedsniproxy wants a reply for this function
-	DBusMessage *reply = dbus_message_new_method_return(message);
-	dbus_connection_send(connection, reply, NULL);
-	dbus_message_unref(reply);
-}
-
-static void register_host(DBusConnection *connection, DBusMessage *message) {
-	DBusError error;
-	char *name;
-
-	dbus_error_init(&error);
-	if (!dbus_message_get_args(message, &error,
-				DBUS_TYPE_STRING, &name,
-				DBUS_TYPE_INVALID)) {
-		sway_log(L_ERROR, "Error parsing method args: %s\n", error.message);
-	}
-
-	sway_log(L_INFO, "RegisterStatusNotifierHost called with \"%s\"\n", name);
-
-	// Don't add duplicate or not real host
-	if (!dbus_validate_bus_name(name, NULL)) {
-		sway_log(L_INFO, "This item is not valid, we cannot keep track of it.");
-		return;
-	}
-
-
-	if (list_seq_find(hosts, (int (*)(const void *, const void *))strcmp, name) != -1) {
-		return;
-	}
-	if (!dbus_bus_name_has_owner(connection, name, &error)) {
-		return;
-	}
-
-	list_add(hosts, strdup(name));
-	host_registered_signal(connection);
-}
-
-static void get_property(DBusConnection *connection, DBusMessage *message) {
-	DBusError error;
-	char *interface;
-	char *property;
-
-	dbus_error_init(&error);
-	if (!dbus_message_get_args(message, &error,
-				DBUS_TYPE_STRING, &interface,
-				DBUS_TYPE_STRING, &property,
-				DBUS_TYPE_INVALID)) {
-		sway_log(L_ERROR, "Error parsing prop args: %s\n", error.message);
-		return;
-	}
-
-	if (strcmp(property, "RegisteredStatusNotifierItems") == 0) {
-		sway_log(L_INFO, "Replying with items\n");
-		DBusMessage *reply;
-		reply = dbus_message_new_method_return(message);
-		DBusMessageIter iter;
-		DBusMessageIter sub;
-		DBusMessageIter subsub;
-
-		dbus_message_iter_init_append(reply, &iter);
-
-		dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
-				"as", &sub);
-		dbus_message_iter_open_container(&sub, DBUS_TYPE_ARRAY,
-				"s", &subsub);
-
-		for (int i = 0; i < items->length; ++i) {
-			dbus_message_iter_append_basic(&subsub,
-					DBUS_TYPE_STRING, &items->items[i]);
-		}
-
-		dbus_message_iter_close_container(&sub, &subsub);
-		dbus_message_iter_close_container(&iter, &sub);
-
-		dbus_connection_send(connection, reply, NULL);
-		dbus_message_unref(reply);
-	} else if (strcmp(property, "IsStatusNotifierHostRegistered") == 0) {
-		DBusMessage *reply;
-		DBusMessageIter iter;
-		DBusMessageIter sub;
-		int registered = (hosts == NULL || hosts->length == 0) ? 0 : 1;
-
-		reply = dbus_message_new_method_return(message);
-
-		dbus_message_iter_init_append(reply, &iter);
-
-		dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
-				"b", &sub);
-		dbus_message_iter_append_basic(&sub,
-				DBUS_TYPE_BOOLEAN, &registered);
-
-		dbus_message_iter_close_container(&iter, &sub);
-
-		dbus_connection_send(connection, reply, NULL);
-		dbus_message_unref(reply);
-	} else if (strcmp(property, "ProtocolVersion") == 0) {
-		DBusMessage *reply;
-		DBusMessageIter iter;
-		DBusMessageIter sub;
-		const int version = 0;
-
-		reply = dbus_message_new_method_return(message);
-
-		dbus_message_iter_init_append(reply, &iter);
-
-		dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
-				"i", &sub);
-		dbus_message_iter_append_basic(&sub,
-				DBUS_TYPE_INT32, &version);
-
-		dbus_message_iter_close_container(&iter, &sub);
-		dbus_connection_send(connection, reply, NULL);
-		dbus_message_unref(reply);
-	}
-}
-
-static void set_property(DBusConnection *connection, DBusMessage *message) {
-	// All properties are read only and we don't allow new properties
-	return;
-}
-
-static void get_all(DBusConnection *connection, DBusMessage *message) {
-	DBusMessage *reply;
-	reply = dbus_message_new_method_return(message);
-	DBusMessageIter iter; /* a{v} */
-	DBusMessageIter arr;
-	DBusMessageIter dict;
-	DBusMessageIter sub;
-	DBusMessageIter subsub;
-	int registered = (hosts == NULL || hosts->length == 0) ? 0 : 1;
-	const int version = 0;
-	const char *prop;
-
-	// Could clean this up with a function for each prop
-	dbus_message_iter_init_append(reply, &iter);
-	dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
-			"{sv}", &arr);
-
-	prop = "RegisteredStatusNotifierItems";
-	dbus_message_iter_open_container(&arr, DBUS_TYPE_DICT_ENTRY,
-			NULL, &dict);
-	dbus_message_iter_append_basic(&dict,
-			DBUS_TYPE_STRING, &prop);
-	dbus_message_iter_open_container(&dict, DBUS_TYPE_VARIANT,
-			"as", &sub);
-	dbus_message_iter_open_container(&sub, DBUS_TYPE_ARRAY,
-			"s", &subsub);
-	for (int i = 0; i < items->length; ++i) {
-		dbus_message_iter_append_basic(&subsub,
-				DBUS_TYPE_STRING, &items->items[i]);
-	}
-	dbus_message_iter_close_container(&sub, &subsub);
-	dbus_message_iter_close_container(&dict, &sub);
-	dbus_message_iter_close_container(&arr, &dict);
-
-	prop = "IsStatusNotifierHostRegistered";
-	dbus_message_iter_open_container(&arr, DBUS_TYPE_DICT_ENTRY,
-			NULL, &dict);
-	dbus_message_iter_append_basic(&dict,
-			DBUS_TYPE_STRING, &prop);
-	dbus_message_iter_open_container(&dict, DBUS_TYPE_VARIANT,
-			"b", &sub);
-	dbus_message_iter_append_basic(&sub,
-			DBUS_TYPE_BOOLEAN, &registered);
-	dbus_message_iter_close_container(&dict, &sub);
-	dbus_message_iter_close_container(&arr, &dict);
-
-	prop = "ProtocolVersion";
-	dbus_message_iter_open_container(&arr, DBUS_TYPE_DICT_ENTRY,
-			NULL, &dict);
-	dbus_message_iter_append_basic(&dict,
-			DBUS_TYPE_STRING, &prop);
-	dbus_message_iter_open_container(&dict, DBUS_TYPE_VARIANT,
-			"i", &sub);
-	dbus_message_iter_append_basic(&sub,
-			DBUS_TYPE_INT32, &version);
-	dbus_message_iter_close_container(&dict, &sub);
-	dbus_message_iter_close_container(&arr, &dict);
-
-	dbus_message_iter_close_container(&iter, &arr);
-
-	dbus_connection_send(connection, reply, NULL);
-	dbus_message_unref(reply);
-}
-
-static DBusHandlerResult message_handler(DBusConnection *connection, 
-		DBusMessage *message, void *data) {
-	const char *interface_name = dbus_message_get_interface(message);
-	const char *member_name = dbus_message_get_member(message);
-
-	// In order of the xml above
-	if (strcmp(interface_name, "org.freedesktop.DBus.Introspectable") == 0 &&
-			strcmp(member_name, "Introspect") == 0) {
-		// We don't have an introspect for KDE
-		respond_to_introspect(connection, message);
-		return DBUS_HANDLER_RESULT_HANDLED;
-	} else if (strcmp(interface_name, "org.freedesktop.DBus.Properties") == 0) {
-		if (strcmp(member_name, "Get") == 0) {
-			get_property(connection, message);
-			return DBUS_HANDLER_RESULT_HANDLED;
-		} else if (strcmp(member_name, "Set") == 0) {
-			set_property(connection, message);
-			return DBUS_HANDLER_RESULT_HANDLED;
-		} else if (strcmp(member_name, "GetAll") == 0) {
-			get_all(connection, message);
-			return DBUS_HANDLER_RESULT_HANDLED;
-		} else {
-			return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-		}
-	} else if (strcmp(interface_name, "org.freedesktop.StatusNotifierWatcher") == 0 ||
-			strcmp(interface_name, "org.kde.StatusNotifierWatcher") == 0) {
-		if (strcmp(member_name, "RegisterStatusNotifierItem") == 0) {
-			register_item(connection, message);
-			return DBUS_HANDLER_RESULT_HANDLED;
-		} else if (strcmp(member_name, "RegisterStatusNotifierHost") == 0) {
-			register_host(connection, message);
-			return DBUS_HANDLER_RESULT_HANDLED;
-		} else {
-			return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-		}
-	}
-	return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static DBusHandlerResult signal_handler(DBusConnection *connection,
-		DBusMessage *message, void *_data) {
-	if (dbus_message_is_signal(message, "org.freedesktop.DBus", "NameOwnerChanged")) {
-		// Only eat the message if it is name that we are watching
-		const char *name;
-		const char *old_owner;
-		const char *new_owner;
-		int index;
-		if (!dbus_message_get_args(message, NULL,
-				DBUS_TYPE_STRING, &name,
-				DBUS_TYPE_STRING, &old_owner,
-				DBUS_TYPE_STRING, &new_owner,
-				DBUS_TYPE_INVALID)) {
-			sway_log(L_ERROR, "Error getting LostName args");
-			return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-		}
-		if (strcmp(new_owner, "") != 0) {
-			// Name is not lost
-			return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-		}
-		if ((index = list_seq_find(items, (int (*)(const void *, const void *))strcmp, name)) != -1) {
-			sway_log(L_INFO, "Status Notifier Item lost %s", name);
-			free(items->items[index]);
-			list_del(items, index);
-			item_unregistered_signal(connection, name);
-
-			return DBUS_HANDLER_RESULT_HANDLED;
-		}
-		if ((index = list_seq_find(hosts, (int (*)(const void *, const void *))strcmp, name)) != -1) {
-			sway_log(L_INFO, "Status Notifier Host lost %s", name);
-			free(hosts->items[index]);
-			list_del(hosts, index);
-
-			return DBUS_HANDLER_RESULT_HANDLED;
-		}
-	}
-	return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static const DBusObjectPathVTable vtable = {
-	.message_function = message_handler,
-	.unregister_function = NULL,
-};
-
-int init_sni_watcher() {
-	DBusError error;
-	dbus_error_init(&error);
-	if (!conn) {
-		sway_log(L_ERROR, "Connection is null, cannot initiate StatusNotifierWatcher");
-		return -1;
-	}
-
-	items = create_list();
-	hosts = create_list();
-
-	int status = dbus_bus_request_name(conn, "org.freedesktop.StatusNotifierWatcher",
-			DBUS_NAME_FLAG_REPLACE_EXISTING,
-			&error);
-	if (status == DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
-		sway_log(L_DEBUG, "Got watcher name");
-	} else if (status == DBUS_REQUEST_NAME_REPLY_IN_QUEUE) {
-		sway_log(L_INFO, "Could not get watcher name, it may start later");
-	}
-	if (dbus_error_is_set(&error)) {
-		sway_log(L_ERROR, "dbus err getting watcher name: %s\n", error.message);
-		return -1;
-	}
-
-	status = dbus_bus_request_name(conn, "org.kde.StatusNotifierWatcher",
-			DBUS_NAME_FLAG_REPLACE_EXISTING,
-			&error);
-	if (status == DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
-		sway_log(L_DEBUG, "Got kde watcher name");
-	} else if (status == DBUS_REQUEST_NAME_REPLY_IN_QUEUE) {
-		sway_log(L_INFO, "Could not get kde watcher name, it may start later");
-	}
-	if (dbus_error_is_set(&error)) {
-		sway_log(L_ERROR, "dbus err getting kde watcher name: %s\n", error.message);
-		return -1;
-	}
-
-	dbus_connection_try_register_object_path(conn,
-			"/StatusNotifierWatcher",
-			&vtable, NULL, &error);
-	if (dbus_error_is_set(&error)) {
-		sway_log(L_ERROR, "dbus_err: %s\n", error.message);
-		return -1;
-	}
-
-	dbus_bus_add_match(conn,
-			"type='signal',\
-			sender='org.freedesktop.DBus',\
-			interface='org.freedesktop.DBus',\
-			member='NameOwnerChanged'",
-			&error);
-
-	if (dbus_error_is_set(&error)) {
-		sway_log(L_ERROR, "DBus error getting match args: %s", error.message);
-	}
-
-	dbus_connection_add_filter(conn, signal_handler, NULL, NULL);
-	return 0;
-}

swaybar/tray/tray.c

@@ -1,398 +0,0 @@
-#define _XOPEN_SOURCE 700
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/wait.h>
-#include <dbus/dbus.h>
-#include "swaybar/bar.h"
-#include "swaybar/tray/tray.h"
-#include "swaybar/tray/dbus.h"
-#include "swaybar/tray/sni.h"
-#include "swaybar/tray/sni_watcher.h"
-#include "swaybar/bar.h"
-#include "swaybar/config.h"
-#include "list.h"
-#include "log.h"
-
-struct tray *tray;
-
-static void register_host(char *name) {
-	DBusMessage *message;
-
-	message = dbus_message_new_method_call(
-			"org.freedesktop.StatusNotifierWatcher",
-			"/StatusNotifierWatcher",
-			"org.freedesktop.StatusNotifierWatcher",
-			"RegisterStatusNotifierHost");
-	if (!message) {
-		sway_log(L_ERROR, "Cannot allocate dbus method call");
-		return;
-	}
-
-	dbus_message_append_args(message,
-			DBUS_TYPE_STRING, &name,
-			DBUS_TYPE_INVALID);
-
-	dbus_connection_send(conn, message, NULL);
-
-	dbus_message_unref(message);
-}
-
-static void get_items_reply(DBusPendingCall *pending, void *_data) {
-	DBusMessage *reply = dbus_pending_call_steal_reply(pending);
-
-	if (!reply) {
-		sway_log(L_ERROR, "Got no items reply from sni watcher");
-		goto bail;
-	}
-
-	int message_type = dbus_message_get_type(reply);
-
-	if (message_type == DBUS_MESSAGE_TYPE_ERROR) {
-		char *msg;
-
-		dbus_message_get_args(reply, NULL,
-				DBUS_TYPE_STRING, &msg,
-				DBUS_TYPE_INVALID);
-
-		sway_log(L_ERROR, "Message is error: %s", msg);
-		goto bail;
-	}
-
-	DBusMessageIter iter;
-	DBusMessageIter variant;
-	DBusMessageIter array;
-
-	dbus_message_iter_init(reply, &iter);
-	if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
-		sway_log(L_ERROR, "Replyed with wrong type, not v(as)");
-		goto bail;
-	}
-	dbus_message_iter_recurse(&iter, &variant);
-	if (dbus_message_iter_get_arg_type(&variant) != DBUS_TYPE_ARRAY ||
-			dbus_message_iter_get_element_type(&variant) != DBUS_TYPE_STRING) {
-		sway_log(L_ERROR, "Replyed with wrong type, not v(as)");
-		goto bail;
-	}
-
-	// Clear list
-	list_foreach(tray->items, (void (*)(void *))sni_free);
-	list_free(tray->items);
-	tray->items = create_list();
-
-	// O(n) function, could be faster dynamically reading values
-	int len = dbus_message_iter_get_element_count(&variant);
-
-	dbus_message_iter_recurse(&variant, &array);
-	for (int i = 0; i < len; i++) {
-		const char *name;
-		dbus_message_iter_get_basic(&array, &name);
-
-		struct StatusNotifierItem *item = sni_create(name);
-
-		if (item) {
-			sway_log(L_DEBUG, "Item registered with host: %s", name);
-			list_add(tray->items, item);
-			dirty = true;
-		}
-	}
-
-bail:
-	dbus_message_unref(reply);
-	dbus_pending_call_unref(pending);
-	return;
-}
-static void get_items() {
-	DBusPendingCall *pending;
-	DBusMessage *message = dbus_message_new_method_call(
-			"org.freedesktop.StatusNotifierWatcher",
-			"/StatusNotifierWatcher",
-			"org.freedesktop.DBus.Properties",
-			"Get");
-
-	const char *iface = "org.freedesktop.StatusNotifierWatcher";
-	const char *prop = "RegisteredStatusNotifierItems";
-	dbus_message_append_args(message,
-			DBUS_TYPE_STRING, &iface,
-			DBUS_TYPE_STRING, &prop,
-			DBUS_TYPE_INVALID);
-
-	bool status =
-		dbus_connection_send_with_reply(conn, message, &pending, -1);
-	dbus_message_unref(message);
-
-	if (!(pending || status)) {
-		sway_log(L_ERROR, "Could not get items");
-		return;
-	}
-
-	dbus_pending_call_set_notify(pending, get_items_reply, NULL, NULL);
-}
-
-static DBusHandlerResult signal_handler(DBusConnection *connection,
-		DBusMessage *message, void *_data) {
-	if (dbus_message_is_signal(message, "org.freedesktop.StatusNotifierWatcher",
-				"StatusNotifierItemRegistered")) {
-		const char *name;
-		if (!dbus_message_get_args(message, NULL,
-				DBUS_TYPE_STRING, &name,
-				DBUS_TYPE_INVALID)) {
-			sway_log(L_ERROR, "Error getting StatusNotifierItemRegistered args");
-			return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-		}
-
-		if (list_seq_find(tray->items, sni_str_cmp, name) == -1) {
-			struct StatusNotifierItem *item = sni_create(name);
-
-			if (item) {
-				list_add(tray->items, item);
-				dirty = true;
-			}
-		}
-
-		return DBUS_HANDLER_RESULT_HANDLED;
-	} else if (dbus_message_is_signal(message, "org.freedesktop.StatusNotifierWatcher",
-				"StatusNotifierItemUnregistered")) {
-		const char *name;
-		if (!dbus_message_get_args(message, NULL,
-				DBUS_TYPE_STRING, &name,
-				DBUS_TYPE_INVALID)) {
-			sway_log(L_ERROR, "Error getting StatusNotifierItemUnregistered args");
-			return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-		}
-
-		int index;
-		if ((index = list_seq_find(tray->items, sni_str_cmp, name)) != -1) {
-			sni_free(tray->items->items[index]);
-			list_del(tray->items, index);
-			dirty = true;
-		} else {
-			// If it's not in our list, then our list is incorrect.
-			// Fetch all items again
-			sway_log(L_INFO, "Host item list incorrect, refreshing");
-			get_items();
-		}
-
-		return DBUS_HANDLER_RESULT_HANDLED;
-	} else if (dbus_message_is_signal(message, "org.freedesktop.StatusNotifierItem",
-				"NewIcon") || dbus_message_is_signal(message,
-				"org.kde.StatusNotifierItem", "NewIcon")) {
-		const char *name;
-		int index;
-		struct StatusNotifierItem *item;
-
-		name = dbus_message_get_sender(message);
-		if ((index = list_seq_find(tray->items, sni_uniq_cmp, name)) != -1) {
-			item = tray->items->items[index];
-			sway_log(L_INFO, "NewIcon signal from item %s", item->name);
-			get_icon(item);
-		}
-
-		return DBUS_HANDLER_RESULT_HANDLED;
-	}
-	return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static int init_host() {
-	tray = (struct tray *)malloc(sizeof(tray));
-
-	tray->items = create_list();
-
-	DBusError error;
-	dbus_error_init(&error);
-	char *name = NULL;
-	if (!conn) {
-		sway_log(L_ERROR, "Connection is null, cannot init SNI host");
-		goto err;
-	}
-	name = calloc(sizeof(char), 256);
-
-	if (!name) {
-		sway_log(L_ERROR, "Cannot allocate name");
-		goto err;
-	}
-
-	pid_t pid = getpid();
-	if (snprintf(name, 256, "org.freedesktop.StatusNotifierHost-%d", pid)
-			>= 256) {
-		sway_log(L_ERROR, "Cannot get host name because string is too short."
-				"This should not happen");
-		goto err;
-	}
-
-	// We want to be the sole owner of this name
-	if (dbus_bus_request_name(conn, name, DBUS_NAME_FLAG_DO_NOT_QUEUE,
-			&error) != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
-		sway_log(L_ERROR, "Cannot get host name and start the tray");
-		goto err;
-	}
-	if (dbus_error_is_set(&error)) {
-		sway_log(L_ERROR, "Dbus err getting host name: %s\n", error.message);
-		goto err;
-	}
-	sway_log(L_DEBUG, "Got host name");
-
-	register_host(name);
-
-	get_items();
-
-	// Perhaps use addmatch helper functions like wlc does?
-	dbus_bus_add_match(conn,
-			"type='signal',\
-			sender='org.freedesktop.StatusNotifierWatcher',\
-			member='StatusNotifierItemRegistered'",
-			&error);
-	if (dbus_error_is_set(&error)) {
-		sway_log(L_ERROR, "dbus_err: %s", error.message);
-		goto err;
-	}
-	dbus_bus_add_match(conn,
-			"type='signal',\
-			sender='org.freedesktop.StatusNotifierWatcher',\
-			member='StatusNotifierItemUnregistered'",
-			&error);
-	if (dbus_error_is_set(&error)) {
-		sway_log(L_ERROR, "dbus_err: %s", error.message);
-		return -1;
-	}
-
-	// SNI matches
-	dbus_bus_add_match(conn,
-			"type='signal',\
-			interface='org.freedesktop.StatusNotifierItem',\
-			member='NewIcon'",
-			&error);
-	if (dbus_error_is_set(&error)) {
-		sway_log(L_ERROR, "dbus_err %s", error.message);
-		goto err;
-	}
-	dbus_bus_add_match(conn,
-			"type='signal',\
-			interface='org.kde.StatusNotifierItem',\
-			member='NewIcon'",
-			&error);
-	if (dbus_error_is_set(&error)) {
-		sway_log(L_ERROR, "dbus_err %s", error.message);
-		goto err;
-	}
-
-	dbus_connection_add_filter(conn, signal_handler, NULL, NULL);
-
-	free(name);
-	return 0;
-
-err:
-	// TODO better handle errors
-	free(name);
-	return -1;
-}
-
-void tray_mouse_event(struct output *output, int x, int y,
-		uint32_t button, uint32_t state) {
-
-	struct window *window = output->window;
-	uint32_t tray_padding = swaybar.config->tray_padding;
-	int tray_width = window->width * window->scale;
-
-	for (int i = 0; i < output->items->length; ++i) {
-		struct sni_icon_ref *item =
-			 output->items->items[i];
-		int icon_width = cairo_image_surface_get_width(item->icon);
-
-		tray_width -= tray_padding;
-		if (x <= tray_width && x >= tray_width - icon_width) {
-			if (button == swaybar.config->activate_button) {
-				sni_activate(item->ref, x, y);
-			} else if (button == swaybar.config->context_button) {
-				sni_context_menu(item->ref, x, y);
-			} else if (button == swaybar.config->secondary_button) {
-				sni_secondary(item->ref, x, y);
-			}
-			break;
-		}
-		tray_width -= icon_width;
-	}
-}
-
-uint32_t tray_render(struct output *output, struct config *config) {
-	struct window *window = output->window;
-	cairo_t *cairo = window->cairo;
-
-	// Tray icons
-	uint32_t tray_padding = config->tray_padding;
-	uint32_t tray_width = window->width * window->scale;
-	const int item_size = (window->height * window->scale) - (2 * tray_padding);
-
-	if (item_size < 0) {
-		// Can't render items if the padding is too large
-		return tray_width;
-	}
-
-	if (config->tray_output && strcmp(config->tray_output, output->name) != 0) {
-		return tray_width;
-	}
-
-	for (int i = 0; i < tray->items->length; ++i) {
-		struct StatusNotifierItem *item =
-			tray->items->items[i];
-		if (!item->image) {
-			continue;
-		}
-
-		struct sni_icon_ref *render_item = NULL;
-		int j;
-		for (j = i; j < output->items->length; ++j) {
-			struct sni_icon_ref *ref =
-				output->items->items[j];
-			if (ref->ref == item) {
-				render_item = ref;
-				break;
-			} else {
-				sni_icon_ref_free(ref);
-				list_del(output->items, j);
-			}
-		}
-
-		if (!render_item) {
-			render_item = sni_icon_ref_create(item, item_size);
-			list_add(output->items, render_item);
-		} else if (item->dirty) {
-			// item needs re-render
-			sni_icon_ref_free(render_item);
-			output->items->items[j] = render_item =
-				sni_icon_ref_create(item, item_size);
-		}
-
-		tray_width -= tray_padding;
-		tray_width -= item_size;
-
-		cairo_operator_t op = cairo_get_operator(cairo);
-		cairo_set_operator(cairo, CAIRO_OPERATOR_OVER);
-		cairo_set_source_surface(cairo, render_item->icon, tray_width, tray_padding);
-		cairo_rectangle(cairo, tray_width, tray_padding, item_size, item_size);
-		cairo_fill(cairo);
-		cairo_set_operator(cairo, op);
-
-		item->dirty = false;
-	}
-
-
-	if (tray_width != window->width * window->scale) {
-		tray_width -= tray_padding;
-	}
-
-	return tray_width;
-}
-
-void init_tray(struct bar *bar) {
-	if (!bar->config->tray_output || strcmp(bar->config->tray_output, "none") != 0) {
-		/* Connect to the D-Bus */
-		dbus_init();
-
-		/* Start the SNI watcher */
-		init_sni_watcher();
-
-		/* Start the SNI host */
-		init_host();
-	}
-}