Fix rendering bug due to unsynchronized cairo surface size (Bug#38497)

* src/xterm.c (handle_one_xevent) <ConfigureNotify> [USE_CAIRO && !USE_GTK]:
Call x_cr_update_surface_desired_size for a related frame as a fallback.

diff --git a/src/xterm.c b/src/xterm.c
index ada3cec1636561fe80e89a675805db6bab27a6f0..21d99f0c7bbc8c7acb8f270123e0187e231aad99 100644 (file)
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -8934,6 +8934,10 @@ handle_one_xevent (struct x_display_info *dpyinfo,
       if (f)
        x_cr_update_surface_desired_size (f, configureEvent.xconfigure.width,
                                          configureEvent.xconfigure.height);
+      else if (any && configureEvent.xconfigure.window == FRAME_X_WINDOW (any))
+       x_cr_update_surface_desired_size (any,
+                                         configureEvent.xconfigure.width,
+                                         configureEvent.xconfigure.height);
 #endif
 #ifdef USE_GTK
       if (!f