swayfx/sway/extensions.c
Drew DeVault 71afa38890 Add swaylock protocol, add resource destructors
This prevents sway crashing if swaybg or swaybar dies.
2015-12-03 08:35:22 -05:00

120 lines
4.1 KiB
C

#include <stdlib.h>
#include <wlc/wlc.h>
#include <wlc/wlc-wayland.h>
#include "wayland-desktop-shell-server-protocol.h"
#include "layout.h"
#include "log.h"
#include "extensions.h"
struct desktop_shell_state desktop_shell;
void background_surface_destructor(struct wl_resource *resource) {
sway_log(L_DEBUG, "Background surface killed");
int i;
for (i = 0; i < desktop_shell.backgrounds->length; ++i) {
struct background_config *config = desktop_shell.backgrounds->items[i];
if (config->resource == resource) {
list_del(desktop_shell.backgrounds, i);
break;
}
}
}
void panel_surface_destructor(struct wl_resource *resource) {
sway_log(L_DEBUG, "Panel surface killed");
int i;
for (i = 0; i < desktop_shell.panels->length; ++i) {
struct panel_config *config = desktop_shell.panels->items[i];
if (config->resource == resource) {
list_del(desktop_shell.panels, i);
arrange_windows(&root_container, -1, -1);
break;
}
}
}
static void set_background(struct wl_client *client, struct wl_resource *resource,
struct wl_resource *_output, struct wl_resource *surface) {
wlc_handle output = wlc_handle_from_wl_output_resource(_output);
if (!output) {
return;
}
sway_log(L_DEBUG, "Setting surface %p as background for output %d", surface, (int)output);
struct background_config *config = malloc(sizeof(struct background_config));
config->output = output;
config->surface = wlc_resource_from_wl_surface_resource(surface);
config->resource = surface;
list_add(desktop_shell.backgrounds, config);
wl_resource_set_destructor(surface, background_surface_destructor);
}
static void set_panel(struct wl_client *client, struct wl_resource *resource,
struct wl_resource *_output, struct wl_resource *surface) {
wlc_handle output = wlc_handle_from_wl_output_resource(_output);
if (!output) {
return;
}
sway_log(L_DEBUG, "Setting surface %p as panel for output %d", surface, (int)output);
struct panel_config *config = malloc(sizeof(struct panel_config));
config->output = output;
config->surface = wlc_resource_from_wl_surface_resource(surface);
config->resource = surface;
list_add(desktop_shell.panels, config);
wl_resource_set_destructor(surface, panel_surface_destructor);
desktop_shell.panel_size = *wlc_surface_get_size(config->surface);
arrange_windows(&root_container, -1, -1);
}
static void set_lock_surface(struct wl_client *client, struct wl_resource *resource, struct wl_resource *surface) {
sway_log(L_ERROR, "desktop_set_lock_surface is not currently supported");
}
static void unlock(struct wl_client *client, struct wl_resource *resource) {
sway_log(L_ERROR, "desktop_unlock is not currently supported");
}
static void set_grab_surface(struct wl_client *client, struct wl_resource *resource, struct wl_resource *surface) {
sway_log(L_ERROR, "desktop_set_grab_surface is not currently supported");
}
static void desktop_ready(struct wl_client *client, struct wl_resource *resource) {
// nop
}
static void set_panel_position(struct wl_client *client, struct wl_resource *resource, uint32_t position) {
desktop_shell.panel_position = position;
arrange_windows(&root_container, -1, -1);
}
static struct desktop_shell_interface desktop_shell_implementation = {
.set_background = set_background,
.set_panel = set_panel,
.set_lock_surface = set_lock_surface,
.unlock = unlock,
.set_grab_surface = set_grab_surface,
.desktop_ready = desktop_ready,
.set_panel_position = set_panel_position
};
static void desktop_shell_bind(struct wl_client *client, void *data,
unsigned int version, unsigned int id) {
if (version > 3) {
// Unsupported version
return;
}
struct wl_resource *resource = wl_resource_create(client, &desktop_shell_interface, version, id);
if (!resource) {
wl_client_post_no_memory(client);
}
wl_resource_set_implementation(resource, &desktop_shell_implementation, NULL, NULL);
}
void register_extensions(void) {
wl_global_create(wlc_get_wl_display(), &desktop_shell_interface, 3, NULL, desktop_shell_bind);
desktop_shell.backgrounds = create_list();
desktop_shell.panels = create_list();
desktop_shell.panel_position = DESKTOP_SHELL_PANEL_POSITION_BOTTOM;
}