From 132427ea0415796584dbf37012aa3fca5c2d4a83 Mon Sep 17 00:00:00 2001
From: gnome-mpv <gnome-mpv@nowhere>
Date: Wed, 27 May 2020 21:59:12 +0700
Subject: [PATCH] main-window: Don't resize while maximized or in fullscreen
 mode

Fixes #540.
---
 src/celluloid-main-window.c | 35 ++++++++++++++++++++++-------------
 1 file changed, 22 insertions(+), 13 deletions(-)

diff --git a/src/celluloid-main-window.c b/src/celluloid-main-window.c
index 7dc2a00..5b46889 100644
--- a/src/celluloid-main-window.c
+++ b/src/celluloid-main-window.c
@@ -670,22 +670,31 @@ celluloid_main_window_resize_video_area(	CelluloidMainWindow *wnd,
 						gint width,
 						gint height )
 {
-	CelluloidMainWindowPrivate *priv = get_private(wnd);
+	/* As of GNOME 3.36, attempting to resize the window while it is
+	 * maximized will cause the UI to stop rendering. Resizing while
+	 * fullscreen is unaffected, but it doesn't make sense to resize there
+	 * either.
+	 */
+	if(	!get_private(wnd)->fullscreen &&
+		!gtk_window_is_maximized(GTK_WINDOW(wnd)) )
+	{
+		CelluloidMainWindowPrivate *priv = get_private(wnd);
 
-	g_signal_connect(	priv->vid_area,
-				"size-allocate",
-				G_CALLBACK(resize_video_area_finalize),
-				wnd );
+		g_signal_connect(	priv->vid_area,
+					"size-allocate",
+					G_CALLBACK(resize_video_area_finalize),
+					wnd );
 
-	priv->resize_target[0] = width;
-	priv->resize_target[1] = height;
-	resize_to_target(wnd);
+		priv->resize_target[0] = width;
+		priv->resize_target[1] = height;
+		resize_to_target(wnd);
 
-	/* The size may not change, so this is needed to ensure that
-	 * resize_video_area_finalize() will be called so that the event handler
-	 * will be disconnected.
-	 */
-	gtk_widget_queue_allocate(priv->vid_area);
+		/* The size may not change, so this is needed to ensure that
+		 * resize_video_area_finalize() will be called so that the event handler
+		 * will be disconnected.
+		 */
+		gtk_widget_queue_allocate(priv->vid_area);
+	}
 }
 
 void