add bar colours for focused_(workspace|statusline|separator)

If these aren't defined in config, color settings without 'focused_'
prefix are used as a fallback.

include/sway/commands.h

@@ -160,12 +160,14 @@ sway_cmd bar_cmd_workspace_buttons;
 
 sway_cmd bar_colors_cmd_active_workspace;
 sway_cmd bar_colors_cmd_background;
-sway_cmd bar_colors_cmd_background;
+sway_cmd bar_colors_cmd_focused_background;
 sway_cmd bar_colors_cmd_binding_mode;
 sway_cmd bar_colors_cmd_focused_workspace;
 sway_cmd bar_colors_cmd_inactive_workspace;
 sway_cmd bar_colors_cmd_separator;
+sway_cmd bar_colors_cmd_focused_separator;
 sway_cmd bar_colors_cmd_statusline;
+sway_cmd bar_colors_cmd_focused_statusline;
 sway_cmd bar_colors_cmd_urgent_workspace;
 
 sway_cmd input_cmd_accel_profile;

include/sway/config.h

@@ -148,6 +148,9 @@ struct bar_config {
 		char background[10];
 		char statusline[10];
 		char separator[10];
+		char focused_background[10];
+		char focused_statusline[10];
+		char focused_separator[10];
 		char focused_workspace_border[10];
 		char focused_workspace_bg[10];
 		char focused_workspace_text[10];
@@ -164,6 +167,10 @@ struct bar_config {
 		char binding_mode_bg[10];
 		char binding_mode_text[10];
 
+		bool has_focused_background;
+		bool has_focused_statusline;
+		bool has_focused_separator;
+
 		bool has_binding_mode_border;
 		bool has_binding_mode_bg;
 		bool has_binding_mode_text;

include/swaybar/bar.h

@@ -9,6 +9,7 @@ struct bar {
 	struct config *config;
 	struct status_line *status;
 	list_t *outputs;
+	struct output *focused_output;
 
 	int ipc_event_socketfd;
 	int ipc_socketfd;
@@ -22,6 +23,7 @@ struct output {
 	list_t *workspaces;
 	char *name;
 	int idx;
+	bool focused;
 };
 
 struct workspace {

include/swaybar/config.h

@@ -40,6 +40,10 @@ struct config {
 		uint32_t statusline;
 		uint32_t separator;
 
+		uint32_t focused_background;
+		uint32_t focused_statusline;
+		uint32_t focused_separator;
+
 		struct box_colors focused_workspace;
 		struct box_colors active_workspace;
 		struct box_colors inactive_workspace;

sway/commands.c

@@ -277,6 +277,9 @@ 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 },

sway/commands/bar/colors.c

@@ -49,6 +49,21 @@ struct cmd_results *bar_colors_cmd_background(int argc, char **argv) {
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }
 
+struct cmd_results *bar_colors_cmd_focused_background(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "focused_background", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+
+	if ((error = add_color("focused_background", config->current_bar->colors.focused_background, argv[0]))) {
+		return error;
+	}else {
+		config->current_bar->colors.has_focused_background = true;
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
 struct cmd_results *bar_colors_cmd_binding_mode(int argc, char **argv) {
 	struct cmd_results *error = NULL;
 	if ((error = checkarg(argc, "binding_mode", EXPECTED_EQUAL_TO, 3))) {
@@ -131,6 +146,21 @@ struct cmd_results *bar_colors_cmd_separator(int argc, char **argv) {
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }
 
+struct cmd_results *bar_colors_cmd_focused_separator(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "focused_separator", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+
+	if ((error = add_color("focused_separator", config->current_bar->colors.focused_separator, argv[0]))) {
+		return error;
+	} else {
+		config->current_bar->colors.has_focused_separator = true;
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
 struct cmd_results *bar_colors_cmd_statusline(int argc, char **argv) {
 	struct cmd_results *error = NULL;
 	if ((error = checkarg(argc, "statusline", EXPECTED_EQUAL_TO, 1))) {
@@ -144,6 +174,21 @@ struct cmd_results *bar_colors_cmd_statusline(int argc, char **argv) {
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }
 
+struct cmd_results *bar_colors_cmd_focused_statusline(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "focused_statusline", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+
+	if ((error = add_color("focused_statusline", config->current_bar->colors.focused_statusline, argv[0]))) {
+		return error;
+	} else {
+		config->current_bar->colors.has_focused_statusline = true;
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
 struct cmd_results *bar_colors_cmd_urgent_workspace(int argc, char **argv) {
 	struct cmd_results *error = NULL;
 	if ((error = checkarg(argc, "urgent_workspace", EXPECTED_EQUAL_TO, 3))) {

sway/ipc-json.c

@@ -312,6 +312,24 @@ json_object *ipc_json_describe_bar_config(struct bar_config *bar) {
 	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.has_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.has_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.has_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));

swaybar/ipc.c

@@ -108,6 +108,7 @@ static void ipc_parse_config(struct config *config, const char *payload) {
 
 	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;
@@ -116,6 +117,9 @@ static void ipc_parse_config(struct config *config, const char *payload) {
 		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);
@@ -143,6 +147,18 @@ static void ipc_parse_config(struct config *config, const char *payload) {
 			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));
 		}
@@ -235,6 +251,13 @@ static void ipc_update_workspaces(struct bar *bar) {
 				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);
 			}

swaybar/render.c

@@ -49,7 +49,7 @@ static void render_sharp_line(cairo_t *cairo, uint32_t color, double x, double y
 	}
 }
 
-static void render_block(struct window *window, struct config *config, struct status_block *block, double *x, bool edge) {
+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);
@@ -159,7 +159,11 @@ static void render_block(struct window *window, struct config *config, struct st
 
 	// render separator
 	if (!edge && block->separator) {
-		cairo_set_source_u32(window->cairo, config->colors.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);
@@ -275,6 +279,7 @@ void render(struct output *output, struct config *config, struct status_line *li
 
 	struct window *window = output->window;
 	cairo_t *cairo = window->cairo;
+	bool is_focused = output->focused;
 
 	// Clear
 	cairo_save(cairo);
@@ -285,11 +290,20 @@ void render(struct output *output, struct config *config, struct status_line *li
 	cairo_set_operator(cairo, CAIRO_OPERATOR_SOURCE);
 
 	// Background
-	cairo_set_source_u32(cairo, config->colors.background);
+	if (is_focused) {
+		cairo_set_source_u32(cairo, config->colors.focused_background);
+	} else {
+		cairo_set_source_u32(cairo, config->colors.background);
+	}
 	cairo_paint(cairo);
 
 	// Command output
-	cairo_set_source_u32(cairo, config->colors.statusline);
+	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) {
@@ -305,7 +319,7 @@ void render(struct output *output, struct config *config, struct status_line *li
 		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);
+				render_block(window, config, block, &pos, edge, is_focused);
 				edge = false;
 			}
 		}