Merge pull request #519 from emersion/xwayland-primary-selection

Implement xwayland primary selection sync

include/wlr/types/wlr_data_device.h

@@ -34,6 +34,7 @@ struct wlr_data_source {
 	struct wl_resource *resource;
 	struct wlr_data_offer *offer;
 	struct wlr_seat_client *seat_client;
+
 	struct wl_array mime_types;
 
 	bool accepted;
@@ -123,4 +124,8 @@ void wlr_seat_client_send_selection(struct wlr_seat_client *seat_client);
 void wlr_seat_set_selection(struct wlr_seat *seat,
 		struct wlr_data_source *source, uint32_t serial);
 
+void wlr_data_source_init(struct wlr_data_source *source);
+
+void wlr_data_source_finish(struct wlr_data_source *source);
+
 #endif

include/wlr/types/wlr_primary_selection.h

@@ -48,6 +48,11 @@ void wlr_primary_selection_device_manager_destroy(
 
 void wlr_seat_client_send_primary_selection(struct wlr_seat_client *seat_client);
 void wlr_seat_set_primary_selection(struct wlr_seat *seat,
-		struct wlr_primary_selection_source *source, uint32_t serial);
+	struct wlr_primary_selection_source *source, uint32_t serial);
+
+void wlr_primary_selection_source_init(
+	struct wlr_primary_selection_source *source);
+void wlr_primary_selection_source_finish(
+	struct wlr_primary_selection_source *source);
 
 #endif

include/wlr/xwm.h

@@ -32,6 +32,7 @@ enum atom_name {
 	_NET_WM_STATE_MAXIMIZED_HORZ,
 	WM_STATE,
 	CLIPBOARD,
+	PRIMARY,
 	WL_SELECTION,
 	TARGETS,
 	CLIPBOARD_MANAGER,
@@ -49,6 +50,24 @@ enum net_wm_state_action {
 	NET_WM_STATE_TOGGLE = 2,
 };
 
+struct wlr_xwm_selection {
+	struct wlr_xwm *xwm;
+	xcb_atom_t atom;
+	xcb_window_t window;
+	xcb_selection_request_event_t request;
+	xcb_window_t owner;
+	xcb_timestamp_t timestamp;
+	int incr;
+	int source_fd;
+	int property_start;
+	xcb_get_property_reply_t *property_reply;
+	struct wl_event_source *property_source;
+	int flush_property_on_delete;
+	struct wl_array source_data;
+	xcb_atom_t target;
+	bool property_set;
+};
+
 struct wlr_xwm {
 	struct wlr_xwayland *xwayland;
 	struct wl_event_source *event_source;
@@ -63,20 +82,9 @@ struct wlr_xwm {
 	xcb_render_pictformat_t render_format_id;
 	xcb_cursor_t cursor;
 
-	// selection properties
 	xcb_window_t selection_window;
-	xcb_selection_request_event_t selection_request;
-	xcb_window_t selection_owner;
-	xcb_timestamp_t selection_timestamp;
-	int incr;
-	int data_source_fd;
-	int property_start;
-	xcb_get_property_reply_t *property_reply;
-	struct wl_event_source *property_source;
-	int flush_property_on_delete;
-	struct wl_array source_data;
-	xcb_atom_t selection_target;
-	bool selection_property_set;
+	struct wlr_xwm_selection clipboard_selection;
+	struct wlr_xwm_selection primary_selection;
 
 	struct wlr_xwayland_surface *focus_surface;
 
@@ -86,7 +94,8 @@ struct wlr_xwm {
 	const xcb_query_extension_reply_t *xfixes;
 
 	struct wl_listener compositor_surface_create;
-	struct wl_listener seat_selection_change;
+	struct wl_listener seat_selection;
+	struct wl_listener seat_primary_selection;
 };
 
 struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland);

types/wlr_data_device.c

@@ -856,16 +856,7 @@ void data_device_manager_get_data_device(struct wl_client *client,
 static void data_source_resource_destroy(struct wl_resource *resource) {
 	struct wlr_data_source *source =
 		wl_resource_get_user_data(resource);
-	char **p;
-
-	wl_signal_emit(&source->events.destroy, source);
-
-	wl_array_for_each(p, &source->mime_types) {
-		free(*p);
-	}
-
-	wl_array_release(&source->mime_types);
-
+	wlr_data_source_finish(source);
 	free(source);
 }
 
@@ -927,6 +918,25 @@ static struct wl_data_source_interface data_source_impl = {
 	.set_actions = data_source_set_actions,
 };
 
+void wlr_data_source_init(struct wlr_data_source *source) {
+	wl_array_init(&source->mime_types);
+	wl_signal_init(&source->events.destroy);
+}
+
+void wlr_data_source_finish(struct wlr_data_source *source) {
+	if (source == NULL) {
+		return;
+	}
+
+	wl_signal_emit(&source->events.destroy, source);
+
+	char **p;
+	wl_array_for_each(p, &source->mime_types) {
+		free(*p);
+	}
+	wl_array_release(&source->mime_types);
+}
+
 static void data_device_manager_create_data_source(struct wl_client *client,
 		struct wl_resource *resource, uint32_t id) {
 	struct wlr_data_source *source = calloc(1, sizeof(struct wlr_data_source));
@@ -934,25 +944,21 @@ static void data_device_manager_create_data_source(struct wl_client *client,
 		wl_resource_post_no_memory(resource);
 		return;
 	}
+	wlr_data_source_init(source);
 
-	source->resource =
-		wl_resource_create(client, &wl_data_source_interface,
-			wl_resource_get_version(resource), id);
+	source->resource = wl_resource_create(client, &wl_data_source_interface,
+		wl_resource_get_version(resource), id);
 	if (source->resource == NULL) {
 		free(source);
 		wl_resource_post_no_memory(resource);
 		return;
 	}
+	wl_resource_set_implementation(source->resource, &data_source_impl,
+		source, data_source_resource_destroy);
 
 	source->accept = client_data_source_accept;
 	source->send = client_data_source_send;
 	source->cancel = client_data_source_cancel;
-
-	wl_array_init(&source->mime_types);
-	wl_signal_init(&source->events.destroy);
-
-	wl_resource_set_implementation(source->resource, &data_source_impl,
-		source, data_source_resource_destroy);
 }
 
 static const struct wl_data_device_manager_interface

types/wlr_primary_selection.c

@@ -144,15 +144,7 @@ static const struct gtk_primary_selection_source_interface source_impl = {
 static void source_resource_handle_destroy(struct wl_resource *resource) {
 	struct wlr_primary_selection_source *source =
 		wl_resource_get_user_data(resource);
-
-	wl_signal_emit(&source->events.destroy, source);
-
-	char **p;
-	wl_array_for_each(p, &source->mime_types) {
-		free(*p);
-	}
-	wl_array_release(&source->mime_types);
-
+	wlr_primary_selection_source_finish(source);
 	free(source);
 }
 
@@ -262,6 +254,27 @@ static void device_resource_handle_destroy(struct wl_resource *resource) {
 }
 
 
+void wlr_primary_selection_source_init(
+		struct wlr_primary_selection_source *source) {
+	wl_array_init(&source->mime_types);
+	wl_signal_init(&source->events.destroy);
+}
+
+void wlr_primary_selection_source_finish(
+		struct wlr_primary_selection_source *source) {
+	if (source == NULL) {
+		return;
+	}
+
+	wl_signal_emit(&source->events.destroy, source);
+
+	char **p;
+	wl_array_for_each(p, &source->mime_types) {
+		free(*p);
+	}
+	wl_array_release(&source->mime_types);
+}
+
 static void device_manager_handle_create_source(struct wl_client *client,
 		struct wl_resource *manager_resource, uint32_t id) {
 	struct wlr_primary_selection_source *source =
@@ -270,6 +283,7 @@ static void device_manager_handle_create_source(struct wl_client *client,
 		wl_client_post_no_memory(client);
 		return;
 	}
+	wlr_primary_selection_source_init(source);
 
 	int version = wl_resource_get_version(manager_resource);
 	source->resource = wl_resource_create(client,
@@ -284,9 +298,6 @@ static void device_manager_handle_create_source(struct wl_client *client,
 
 	source->send = client_source_send;
 	source->cancel = client_source_cancel;
-
-	wl_array_init(&source->mime_types);
-	wl_signal_init(&source->events.destroy);
 }
 
 void device_manager_handle_get_device(struct wl_client *client,

xwayland/xwm.c

@@ -46,6 +46,7 @@ const char *atom_map[ATOM_LAST] = {
 	"_NET_WM_STATE_MAXIMIZED_HORZ",
 	"WM_STATE",
 	"CLIPBOARD",
+	"PRIMARY",
 	"_WL_SELECTION",
 	"TARGETS",
 	"CLIPBOARD_MANAGER",