macos: fix backdrop when displaying popover

Previously, the popover would cause the window to go into the :backdrop
state which is not what we want for consistency with other platforms. This
fixes that by walking up the surface chain when we get notified of
loosing or acquiring "key" input from the display server.

diff --git a/gdk/macos/gdkmacosdisplay.c b/gdk/macos/gdkmacosdisplay.c
index f14a1b16f8974bc17e31412589bd6ce5d3a4b59c..36f94f2b63458525bf6a331b4d46c744a5809d8e 100644 (file)
--- a/gdk/macos/gdkmacosdisplay.c
+++ b/gdk/macos/gdkmacosdisplay.c
@@ -480,6 +480,21 @@ _gdk_macos_display_surface_became_key (GdkMacosDisplay *self,
   event = gdk_focus_event_new (GDK_SURFACE (surface), keyboard, TRUE);
   _gdk_event_queue_append (GDK_DISPLAY (self), event);
 
+  /* For each parent surface, we want them to look like they
+   * are also still focused, so ensure they have that same
+   * state associated with them.
+   */
+  if (GDK_IS_POPUP (surface))
+    {
+      for (GdkSurface *parent = GDK_SURFACE (surface)->parent;
+           parent != NULL;
+           parent = parent->parent)
+        {
+          if (GDK_IS_TOPLEVEL (parent))
+            gdk_synthesize_surface_state (parent, 0, GDK_TOPLEVEL_STATE_FOCUSED);
+        }
+    }
+
   /* We just became the active window.  Unlike X11, Mac OS X does
    * not send us motion events while the window does not have focus
    * ("is not key").  We send a dummy motion notify event now, so that
@@ -516,6 +531,21 @@ _gdk_macos_display_surface_resigned_key (GdkMacosDisplay *self,
                                 _gdk_display_get_next_serial (GDK_DISPLAY (self)));
     }
 
+  /* For each parent surface, we want them to look like they
+   * are also still focused, so ensure they have that same
+   * state associated with them.
+   */
+  if (GDK_IS_POPUP (surface))
+    {
+      for (GdkSurface *parent = GDK_SURFACE (surface)->parent;
+           parent != NULL;
+           parent = parent->parent)
+        {
+          if (GDK_IS_TOPLEVEL (parent))
+            gdk_synthesize_surface_state (parent, GDK_TOPLEVEL_STATE_FOCUSED, 0);
+        }
+    }
+
   _gdk_macos_display_clear_sorting (self);
 }