[gtk+] mir: skip windows that aren't visible

[William Hua <williamhua src gnome org>]

commit 4f19be1c822240cb70be85ec030585fa2450a7ad
Author: William Hua <william attente ca>
Date:   Wed Dec 3 11:30:34 2014 -0500

    mir: skip windows that aren't visible

 gdk/mir/gdkmir-private.h    |   10 +++++-----
 gdk/mir/gdkmireventsource.c |    2 +-
 gdk/mir/gdkmirwindowimpl.c  |   15 +++++++++------
 3 files changed, 15 insertions(+), 12 deletions(-)
---
diff --git a/gdk/mir/gdkmir-private.h b/gdk/mir/gdkmir-private.h
index 7654e08..ca8d239 100644
--- a/gdk/mir/gdkmir-private.h
+++ b/gdk/mir/gdkmir-private.h
@@ -134,10 +134,10 @@ void _gdk_mir_print_resize_event (const MirResizeEvent *event);
 void _gdk_mir_print_event (const MirEvent *event);
 
 /* TODO: Remove once we have proper transient window support. */
-GdkWindow * _gdk_mir_window_get_transient_child (GdkWindow *window,
-                                                 gint       x,
-                                                 gint       y,
-                                                 gint      *out_x,
-                                                 gint      *out_y);
+GdkWindow * _gdk_mir_window_get_visible_transient_child (GdkWindow *window,
+                                                         gint       x,
+                                                         gint       y,
+                                                         gint      *out_x,
+                                                         gint      *out_y);
 
 #endif /* __GDK_PRIVATE_MIR_H__ */
diff --git a/gdk/mir/gdkmireventsource.c b/gdk/mir/gdkmireventsource.c
index 7e4b9d0..68b0430 100644
--- a/gdk/mir/gdkmireventsource.c
+++ b/gdk/mir/gdkmireventsource.c
@@ -473,7 +473,7 @@ gdk_mir_event_source_convert_events (GdkMirEventSource *source)
               x = event->event.motion.pointer_coordinates[0].x;
               y = event->event.motion.pointer_coordinates[0].y;
 
-              child = _gdk_mir_window_get_transient_child (window, x, y, &x, &y);
+              child = _gdk_mir_window_get_visible_transient_child (window, x, y, &x, &y);
 
               if (child && child != window)
                 {
diff --git a/gdk/mir/gdkmirwindowimpl.c b/gdk/mir/gdkmirwindowimpl.c
index 78c5111..d62a24a 100644
--- a/gdk/mir/gdkmirwindowimpl.c
+++ b/gdk/mir/gdkmirwindowimpl.c
@@ -912,11 +912,11 @@ gdk_mir_window_impl_set_transient_for (GdkWindow *window,
 
 /* TODO: Remove once we have proper transient window support. */
 GdkWindow *
-_gdk_mir_window_get_transient_child (GdkWindow *window,
-                                     gint       x,
-                                     gint       y,
-                                     gint      *out_x,
-                                     gint      *out_y)
+_gdk_mir_window_get_visible_transient_child (GdkWindow *window,
+                                             gint       x,
+                                             gint       y,
+                                             gint      *out_x,
+                                             gint      *out_y)
 {
   GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
   GdkWindow *child = NULL;
@@ -930,7 +930,10 @@ _gdk_mir_window_get_transient_child (GdkWindow *window,
   y -= window->y;
 
   for (i = impl->transient_children; i && !child; i = i->next)
-    child = _gdk_mir_window_get_transient_child (i->data, x, y, out_x, out_y);
+    {
+      if (GDK_MIR_WINDOW_IMPL (GDK_WINDOW (i->data)->impl)->visible)
+        child = _gdk_mir_window_get_visible_transient_child (i->data, x, y, out_x, out_y);
+    }
 
   if (child)
     return child;