Introduce surface_{enter,leave}_output()

We can centralize all output-related surface events from there.

include/sway/surface.h

@@ -15,4 +15,9 @@ struct sway_surface {
 	struct wl_event_source *frame_done_timer;
 };
 
+void surface_enter_output(struct wlr_surface *surface,
+	struct sway_output *output);
+void surface_leave_output(struct wlr_surface *surface,
+	struct sway_output *output);
+
 #endif

sway/desktop/layer_shell.c

@@ -13,6 +13,7 @@
 #include "sway/layers.h"
 #include "sway/output.h"
 #include "sway/server.h"
+#include "sway/surface.h"
 #include "sway/tree/arrange.h"
 #include "sway/tree/workspace.h"
 
@@ -382,8 +383,7 @@ static void handle_map(struct wl_listener *listener, void *data) {
 	struct sway_output *output = wlr_output->data;
 	output_damage_surface(output, sway_layer->geo.x, sway_layer->geo.y,
 		sway_layer->layer_surface->surface, true);
-	wlr_surface_send_enter(sway_layer->layer_surface->surface,
-		sway_layer->layer_surface->output);
+	surface_enter_output(sway_layer->layer_surface->surface, output);
 	cursor_rebase_all();
 }
 
@@ -510,7 +510,7 @@ static void popup_handle_map(struct wl_listener *listener, void *data) {
 	struct sway_layer_surface *layer = popup_get_layer(popup);
 	struct wlr_output *wlr_output = layer->layer_surface->output;
 	sway_assert(wlr_output, "wlr_layer_surface_v1 has null output");
-	wlr_surface_send_enter(popup->wlr_popup->base->surface, wlr_output);
+	surface_enter_output(popup->wlr_popup->base->surface, wlr_output->data);
 	popup_damage(popup, true);
 }
 

sway/desktop/surface.c

@@ -4,6 +4,7 @@
 #include <wlr/types/wlr_compositor.h>
 #include "sway/server.h"
 #include "sway/surface.h"
+#include "sway/output.h"
 
 static void handle_destroy(struct wl_listener *listener, void *data) {
 	struct sway_surface *surface = wl_container_of(listener, surface, destroy);
@@ -44,3 +45,13 @@ void handle_compositor_new_surface(struct wl_listener *listener, void *data) {
 		wl_resource_post_no_memory(wlr_surface->resource);
 	}
 }
+
+void surface_enter_output(struct wlr_surface *surface,
+		struct sway_output *output) {
+	wlr_surface_send_enter(surface, output->wlr_output);
+}
+
+void surface_leave_output(struct wlr_surface *surface,
+		struct sway_output *output) {
+	wlr_surface_send_leave(surface, output->wlr_output);
+}

sway/lock.c

@@ -5,6 +5,7 @@
 #include "sway/input/seat.h"
 #include "sway/output.h"
 #include "sway/server.h"
+#include "sway/surface.h"
 
 struct sway_session_lock_surface {
 	struct wlr_session_lock_surface_v1 *lock_surface;
@@ -31,7 +32,7 @@ static void handle_surface_map(struct wl_listener *listener, void *data) {
 	if (server.session_lock.focused == NULL) {
 		set_lock_focused_surface(surf->surface);
 	}
-	wlr_surface_send_enter(surf->surface, surf->output->wlr_output);
+	surface_enter_output(surf->surface, surf->output);
 	output_damage_whole(surf->output);
 }
 

sway/tree/container.c

@@ -18,6 +18,7 @@
 #include "sway/ipc-server.h"
 #include "sway/output.h"
 #include "sway/server.h"
+#include "sway/surface.h"
 #include "sway/tree/arrange.h"
 #include "sway/tree/view.h"
 #include "sway/tree/workspace.h"
@@ -1265,14 +1266,14 @@ bool container_is_fullscreen_or_child(struct sway_container *container) {
 
 static void surface_send_enter_iterator(struct wlr_surface *surface,
 		int x, int y, void *data) {
-	struct wlr_output *wlr_output = data;
-	wlr_surface_send_enter(surface, wlr_output);
+	struct sway_output *output = data;
+	surface_enter_output(surface, output);
 }
 
 static void surface_send_leave_iterator(struct wlr_surface *surface,
 		int x, int y, void *data) {
-	struct wlr_output *wlr_output = data;
-	wlr_surface_send_leave(surface, wlr_output);
+	struct sway_output *output = data;
+	surface_leave_output(surface, output);
 }
 
 void container_discover_outputs(struct sway_container *con) {
@@ -1298,7 +1299,7 @@ void container_discover_outputs(struct sway_container *con) {
 			sway_log(SWAY_DEBUG, "Container %p entered output %p", con, output);
 			if (con->view) {
 				view_for_each_surface(con->view,
-						surface_send_enter_iterator, output->wlr_output);
+						surface_send_enter_iterator, output);
 				if (con->view->foreign_toplevel) {
 					wlr_foreign_toplevel_handle_v1_output_enter(
 							con->view->foreign_toplevel, output->wlr_output);
@@ -1310,7 +1311,7 @@ void container_discover_outputs(struct sway_container *con) {
 			sway_log(SWAY_DEBUG, "Container %p left output %p", con, output);
 			if (con->view) {
 				view_for_each_surface(con->view,
-					surface_send_leave_iterator, output->wlr_output);
+					surface_send_leave_iterator, output);
 				if (con->view->foreign_toplevel) {
 					wlr_foreign_toplevel_handle_v1_output_leave(
 							con->view->foreign_toplevel, output->wlr_output);

sway/tree/view.c

@@ -25,6 +25,7 @@
 #include "sway/output.h"
 #include "sway/input/seat.h"
 #include "sway/server.h"
+#include "sway/surface.h"
 #include "sway/tree/arrange.h"
 #include "sway/tree/container.h"
 #include "sway/tree/view.h"
@@ -1148,7 +1149,7 @@ void view_child_init(struct sway_view_child *child,
 	if (container != NULL) {
 		struct sway_workspace *workspace = container->pending.workspace;
 		if (workspace) {
-			wlr_surface_send_enter(child->surface, workspace->output->wlr_output);
+			surface_enter_output(child->surface, workspace->output);
 		}
 	}