xdg-activation-v1: new protocol implementation

This implements the new xdg-activation-v1 protocol [1].

[1]: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/50

include/wlr/types/wlr_xdg_activation_v1.h

@@ -0,0 +1,59 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
+#ifndef WLR_TYPES_WLR_XDG_ACTIVATION_V1
+#define WLR_TYPES_WLR_XDG_ACTIVATION_V1
+
+#include <wayland-server-core.h>
+
+struct wlr_xdg_activation_token_v1 {
+	struct wlr_xdg_activation_v1 *activation;
+	struct wl_list link; // wlr_xdg_activation_v1.tokens
+
+	// The source surface that created the token.
+	struct wlr_surface *surface; // can be NULL
+	// The seat on which activation is being requested.
+	struct wlr_seat *seat; // can be NULL
+	// The serial for the input event that created the token.
+	uint32_t serial; // invalid if seat is NULL
+	// The application ID to be activated. This is just a hint.
+	char *app_id; // can be NULL
+
+	// private state
+
+	char *token;
+	struct wl_resource *resource; // can be NULL
+
+	struct wl_listener seat_destroy;
+	struct wl_listener surface_destroy;
+};
+
+struct wlr_xdg_activation_v1 {
+	struct wl_global *global;
+
+	struct wl_list tokens; // wlr_xdg_activation_token_v1.link
+
+	struct {
+		struct wl_signal destroy;
+		struct wl_signal request_activate; // wlr_xdg_activation_v1_request_activate_event
+	} events;
+
+	struct wl_listener display_destroy;
+};
+
+struct wlr_xdg_activation_v1_request_activate_event {
+	// The token used to request activation.
+	struct wlr_xdg_activation_token_v1 *token;
+	// The surface requesting for activation.
+	struct wlr_surface *surface;
+};
+
+struct wlr_xdg_activation_v1 *wlr_xdg_activation_v1_create(
+	struct wl_display *display);
+
+#endif

meson.build

@@ -105,7 +105,6 @@ pixman = dependency('pixman-1')
 math = cc.find_library('m')
 rt = cc.find_library('rt')
 
-
 wlr_files = []
 wlr_deps = [
 	wayland_server,

protocol/meson.build

@@ -1,4 +1,4 @@
-wayland_protos = dependency('wayland-protocols', version: '>=1.17')
+wayland_protos = dependency('wayland-protocols', version: '>=1.21')
 wl_protocol_dir = wayland_protos.get_variable(pkgconfig: 'pkgdatadir')
 
 wayland_scanner_dep = dependency('wayland-scanner', native: true)
@@ -23,6 +23,7 @@ protocols = {
 	'relative-pointer-unstable-v1': wl_protocol_dir / 'unstable/relative-pointer/relative-pointer-unstable-v1.xml',
 	'tablet-unstable-v2': wl_protocol_dir / 'unstable/tablet/tablet-unstable-v2.xml',
 	'text-input-unstable-v3': wl_protocol_dir / 'unstable/text-input/text-input-unstable-v3.xml',
+	'xdg-activation-v1': wl_protocol_dir / 'staging/xdg-activation/xdg-activation-v1.xml',
 	'xdg-decoration-unstable-v1': wl_protocol_dir / 'unstable/xdg-decoration/xdg-decoration-unstable-v1.xml',
 	'xdg-foreign-unstable-v1': wl_protocol_dir / 'unstable/xdg-foreign/xdg-foreign-unstable-v1.xml',
 	'xdg-foreign-unstable-v2': wl_protocol_dir / 'unstable/xdg-foreign/xdg-foreign-unstable-v2.xml',

types/meson.build

@@ -62,10 +62,10 @@ wlr_files += files(
 	'wlr_virtual_keyboard_v1.c',
 	'wlr_virtual_pointer_v1.c',
 	'wlr_xcursor_manager.c',
+	'wlr_xdg_activation_v1.c',
 	'wlr_xdg_decoration_v1.c',
 	'wlr_xdg_foreign_v1.c',
 	'wlr_xdg_foreign_v2.c',
 	'wlr_xdg_foreign_registry.c',
 	'wlr_xdg_output_v1.c',
 )
-