gtk_broadway_selection.issue1630.patch

diff --git a/gtk/gtkselection.c b/gtk/gtkselection.c
index b976d19..7f4919a 100644
--- a/gtk/gtkselection.c
+++ b/gtk/gtkselection.c
@@ -112,6 +112,10 @@
 #include <gdk/wayland/gdkwayland.h>
 #endif
 
+#ifdef GDK_WINDOWING_BROADWAY
+#include "broadway/gdkbroadway.h"
+#endif
+
 #undef DEBUG_SELECTION
 
 /* Maximum size of a sent chunk, in bytes. Also the default size of
@@ -2284,6 +2288,26 @@ gtk_selection_init (void)
   gtk_selection_atoms[TARGETS] = gdk_atom_intern_static_string ("TARGETS");
   gtk_selection_atoms[SAVE_TARGETS] = gdk_atom_intern_static_string ("SAVE_TARGETS");
 
+#if defined GDK_WINDOWING_BROADWAY
+  /* This patch is a workaround to circumvent unimplemented
+     clipboard functionality in broadwayd. It eliminates
+     35s delay on popup menu before first clipboard copy,
+     by initializing selection to an empty string.
+   
+     https://gitlab.gnome.org/GNOME/gtk/issues/1630
+  */ 
+  GdkDisplay *display = gdk_display_get_default ();
+
+  if (GDK_IS_BROADWAY_DISPLAY (display))
+  {
+      g_debug("gtk_selection_init: patched");
+
+      gtk_clipboard_set_text (
+          gtk_clipboard_get_default (display),
+          "", -1);
+  }
+#endif
+
   initialize = FALSE;
 }