From 47d0d18db9156781cec933b315a58e7bf583e6a1 Mon Sep 17 00:00:00 2001
From: Kirill Primak <vyivel@posteo.net>
Date: Fri, 30 Jul 2021 14:18:14 +0300
Subject: [PATCH] xdg-shell: notify txn system on cache event

---
 include/sway/tree/view.h |  1 +
 sway/desktop/xdg_shell.c | 16 ++++++++++++----
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/include/sway/tree/view.h b/include/sway/tree/view.h
index 0f0ace9c1..d1a0a3d08 100644
--- a/include/sway/tree/view.h
+++ b/include/sway/tree/view.h
@@ -117,6 +117,7 @@ struct sway_xdg_shell_view {
 	struct sway_view view;
 
 	struct wl_listener ack_configure;
+	struct wl_listener cache;
 	struct wl_listener commit;
 	struct wl_listener request_move;
 	struct wl_listener request_resize;
diff --git a/sway/desktop/xdg_shell.c b/sway/desktop/xdg_shell.c
index a4b479a22..6e7cdf173 100644
--- a/sway/desktop/xdg_shell.c
+++ b/sway/desktop/xdg_shell.c
@@ -290,6 +290,13 @@ static void handle_ack_configure(struct wl_listener *listener, void *data) {
 	}
 }
 
+static void handle_cache(struct wl_listener *listener, void *data) {
+	struct sway_xdg_shell_view *xdg_shell_view =
+		wl_container_of(listener, xdg_shell_view, cache);
+	struct sway_view *view = &xdg_shell_view->view;
+	transaction_notify_view_ready(view);
+}
+
 static void handle_commit(struct wl_listener *listener, void *data) {
 	struct sway_xdg_shell_view *xdg_shell_view =
 		wl_container_of(listener, xdg_shell_view, commit);
@@ -318,10 +325,6 @@ static void handle_commit(struct wl_listener *listener, void *data) {
 		desktop_damage_view(view);
 	}
 
-	if (view->container->node.instruction) {
-		transaction_notify_view_ready(view);
-	}
-
 	view_damage_from(view);
 }
 
@@ -429,6 +432,7 @@ static void handle_unmap(struct wl_listener *listener, void *data) {
 	view_unmap(view);
 
 	wl_list_remove(&xdg_shell_view->ack_configure.link);
+	wl_list_remove(&xdg_shell_view->cache.link);
 	wl_list_remove(&xdg_shell_view->commit.link);
 	wl_list_remove(&xdg_shell_view->new_popup.link);
 	wl_list_remove(&xdg_shell_view->request_fullscreen.link);
@@ -473,6 +477,10 @@ static void handle_map(struct wl_listener *listener, void *data) {
 	wl_signal_add(&xdg_surface->events.ack_configure,
 		&xdg_shell_view->ack_configure);
 
+	xdg_shell_view->cache.notify = handle_cache;
+	wl_signal_add(&xdg_surface->surface->events.cache,
+		&xdg_shell_view->cache);
+
 	xdg_shell_view->commit.notify = handle_commit;
 	wl_signal_add(&xdg_surface->surface->events.commit,
 		&xdg_shell_view->commit);