swayfx/include/swaybar/bar.h
Ian Fan 5484f308b9 swaybar: prevent signal handler from firing during termination
This prevents a heap-use-after-free crash when sway terminates.
2019-02-15 14:09:14 +00:00

112 lines
2.7 KiB
C

#ifndef _SWAYBAR_BAR_H
#define _SWAYBAR_BAR_H
#include <wayland-client.h>
#include "config.h"
#include "input.h"
#include "pool-buffer.h"
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
#include "xdg-output-unstable-v1-client-protocol.h"
struct swaybar_config;
struct swaybar_output;
#if HAVE_TRAY
struct swaybar_tray;
#endif
struct swaybar_workspace;
struct loop;
struct swaybar {
char *id;
char *mode;
bool mode_pango_markup;
// only relevant when bar is in "hide" mode
bool visible_by_modifier;
bool visible_by_urgency;
bool visible;
struct wl_display *display;
struct wl_compositor *compositor;
struct zwlr_layer_shell_v1 *layer_shell;
struct zxdg_output_manager_v1 *xdg_output_manager;
struct wl_shm *shm;
struct wl_seat *seat;
struct swaybar_config *config;
struct swaybar_pointer pointer;
struct status_line *status;
struct loop *eventloop;
int ipc_event_socketfd;
int ipc_socketfd;
struct wl_list outputs; // swaybar_output::link
#if HAVE_TRAY
struct swaybar_tray *tray;
#endif
bool running;
};
struct swaybar_output {
struct wl_list link; // swaybar::outputs
struct swaybar *bar;
struct wl_output *output;
struct zxdg_output_v1 *xdg_output;
struct wl_surface *surface;
struct zwlr_layer_surface_v1 *layer_surface;
uint32_t wl_name;
struct wl_list workspaces; // swaybar_workspace::link
struct wl_list hotspots; // swaybar_hotspot::link
char *name;
char *identifier;
bool focused;
uint32_t width, height;
int32_t scale;
enum wl_output_subpixel subpixel;
struct pool_buffer buffers[2];
struct pool_buffer *current_buffer;
bool dirty;
bool frame_scheduled;
uint32_t output_height, output_width, output_x, output_y;
};
struct swaybar_workspace {
struct wl_list link; // swaybar_output::workspaces
int num;
char *name;
char *label;
bool focused;
bool visible;
bool urgent;
};
bool bar_setup(struct swaybar *bar, const char *socket_path);
void bar_run(struct swaybar *bar);
void bar_teardown(struct swaybar *bar);
void set_bar_dirty(struct swaybar *bar);
/*
* Determines whether the bar should be visible and changes it to be so.
* If the current visibility of the bar is the different to what it should be,
* then it adds or destroys the layer surface as required,
* as well as sending the cont or stop signal to the status command.
* If the current visibility of the bar is already what it should be,
* then this function is a no-op, unless moving_layer is true, which occurs
* when the bar changes from "hide" to "dock" mode or vice versa, and the bar
* needs to be destroyed and re-added in order to change its layer.
*
* Returns true if the bar is now visible, otherwise false.
*/
bool determine_bar_visibility(struct swaybar *bar, bool moving_layer);
void free_workspaces(struct wl_list *list);
#endif