[gtk: 1/2] Add stub gtk_window_export_handle implementation for some backends

[Matthias Clasen <matthiasc src gnome org>]

commit a1d03e69a4252cf29976fd56e65099f4bc6cf9cb
Author: Luca Bacci <luca bacci982 gmail com>
Date:   Tue Jun 21 11:45:19 2022 +0200

    Add stub gtk_window_export_handle implementation for some backends

 gtk/gtkwindow.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index c2ff60da32..2c8c5502e8 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -94,6 +94,10 @@
 #include "wayland/gdksurface-wayland.h"
 #endif
 
+#ifdef GDK_WINDOWING_MACOS
+#include "macos/gdkmacos.h"
+#endif
+
 #ifdef GDK_WINDOWING_BROADWAY
 #include "broadway/gdkbroadway.h"
 #endif
@@ -6264,6 +6268,27 @@ gtk_window_export_handle (GtkWindow               *window,
         }
     }
 #endif
+#ifdef GDK_WINDOWING_MACOS
+  if (GDK_IS_MACOS_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
+    {
+      callback (window, NULL, user_data);
+      return TRUE;
+    }
+#endif
+#ifdef GDK_WINDOWING_WIN32
+  if (GDK_IS_WIN32_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
+    {
+      callback (window, NULL, user_data);
+      return TRUE;
+    }
+#endif
+#ifdef GDK_WINDOWING_BROADWAY
+  if (GDK_IS_BROADWAY_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
+    {
+      callback (window, NULL, user_data);
+      return TRUE;
+    }
+#endif
 
   g_warning ("Couldn't export handle for %s surface, unsupported windowing system",
              G_OBJECT_TYPE_NAME (priv->surface));
@@ -6287,6 +6312,18 @@ gtk_window_unexport_handle (GtkWindow *window)
   if (GDK_IS_X11_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
     return;
 #endif
+#ifdef GDK_WINDOWING_MACOS
+  if (GDK_IS_MACOS_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
+    return;
+#endif
+#ifdef GDK_WINDOWING_WIN32
+  if (GDK_IS_WIN32_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
+    return;
+#endif
+#ifdef GDK_WINDOWING_BROADWAY
+  if (GDK_IS_BROADWAY_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
+    return;
+#endif
 
   g_warning ("Couldn't unexport handle for %s surface, unsupported windowing system",
              G_OBJECT_TYPE_NAME (priv->surface));