feat: global shortcuts support through dbus (my behated)

Author: dy-tea

arch/PKGBUILD

@@ -11,6 +11,7 @@ depends=(
 	'libevdev.so'
 	'libinput'
 	'libpixman-1.so'
+	'libsystemd.so'
 	'libudev.so'
 	'libwayland-server.so'
 	'libxcb'

arch/doors-portals.conf

@@ -1,3 +1,4 @@
 [preferred]
 default=wlr;*
 org.freedesktop.impl.portal.Inhibit=none
+org.freedesktop.impl.portal.GlobalShortcuts=doors;wlr;*

include/global_shortcuts.h

@@ -0,0 +1,60 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <wayland-server-core.h>
+#include <xkbcommon/xkbcommon.h>
+
+struct sd_bus;
+struct sd_bus_slot;
+
+// D-Bus interface / bus names
+#define GS_IMPL_IFACE "org.freedesktop.impl.portal.GlobalShortcuts"
+#define GS_SESSION_IFACE "org.freedesktop.portal.Session"
+#define GS_REQUEST_IFACE "org.freedesktop.portal.Request"
+#define GS_BUS_NAME "org.freedesktop.impl.portal.desktop.doors"
+#define GS_OBJECT_PATH "/org/freedesktop/portal/desktop"
+#define GS_VERSION 2
+
+// Portal response codes
+#define GS_RESPONSE_SUCCESS 0
+#define GS_RESPONSE_CANCELLED 1
+#define GS_RESPONSE_ERROR 2
+
+typedef struct gs_shortcut {
+	char *id;
+	char *description;
+	char *trigger_description; // human-readable, e.g. "Super+K"
+	uint32_t modifiers; // XKB modifier mask (WLR_MODIFIER_*)
+	xkb_keysym_t keysym;
+	bool has_trigger;
+
+	struct gs_session *session;
+	struct wl_list link; // gs_session.shortcuts
+} gs_shortcut_t;
+
+typedef struct gs_session {
+	char *app_id;
+	char *session_path;
+	char *request_path;
+	bool destroyed;
+	struct wl_list shortcuts; // gs_shortcut.link
+	struct wl_list link; // gs_state.sessions
+	struct sd_bus_slot *session_slot;
+	struct sd_bus_slot *request_slot;
+} gs_session_t;
+
+typedef struct gs_state {
+	struct sd_bus *bus;
+	struct sd_bus_slot *main_slot;
+	struct sd_bus_slot *session_fallback_slot;
+	struct sd_bus_slot *request_fallback_slot;
+	struct wl_event_source *bus_event_source;
+	struct wl_list sessions; // gs_session.link
+	bool initialized;
+} gs_state_t;
+
+void global_shortcuts_init(void);
+void global_shortcuts_fini(void);
+bool global_shortcuts_handle_key(uint32_t modifiers, uint32_t keycode, const xkb_keysym_t *syms,
+	int nsyms, uint32_t state, uint32_t time_msec);

meson.build

@@ -34,6 +34,12 @@ libs = [
 	wayland_protos,
 ]
 
+libsystemd = dependency('libsystemd', required: false)
+if libsystemd.found()
+  libs += libsystemd
+  add_project_arguments('-DHAVE_SYSTEMD=1', language: 'c')
+endif
+
 if host_machine.system() == 'freebsd'
   libs += declare_dependency(link_args: ['/usr/local/lib/libinotify.so', '-lpthread'])
 endif
@@ -96,6 +102,7 @@ executable(
 		'src' / 'effects_gles2.c',
 		'src' / 'effects_vk.c',
 		'src' / 'gesture.c',
+		'src' / 'global_shortcuts.c',
 		'src' / 'idle.c',
 		'src' / 'idle_power.c',
 		'src' / 'ipc.c',

src/cursor.c

@@ -198,7 +198,12 @@ static void apply_leaf_positions(desktop_t *d) {
 
 		unsigned int bw = effective_border_width(d);
 		if (bw != 0) {
-			struct wlr_box geo = {0, 0, r.width, r.height};
+			struct wlr_box geo = {
+				0,
+				0,
+				r.width,
+				r.height
+			};
 			update_borders(client_border_tree(n->client), client_border_rects(n->client), geo, bw);
 			update_border_colors(n->client);
 			if (n->client->border_radius > 0.0f) {