[PATCH 12/22] display: ignore display that do not have toplevel window

[marcandre.lureau@xxxxxxxxxx]

From: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>

virt_viewer_display_get_preferred_monitor_geometry() may be called
during application initialization (when the VTE console is being
shown, virt_viewer_session_update_displays_geometry() is called when
the visibility menu item is toggled). But the other displays may not
yet be associated with a window, ignore them.

Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
---
 src/virt-viewer-display.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/virt-viewer-display.c b/src/virt-viewer-display.c
index b3cc095..a1fcb82 100644
--- a/src/virt-viewer-display.c
+++ b/src/virt-viewer-display.c
@@ -687,7 +687,9 @@ void virt_viewer_display_get_preferred_monitor_geometry(VirtViewerDisplay* self,
 
     g_return_if_fail(preferred != NULL);
 
-    if (!virt_viewer_display_get_enabled(self)) {
+    top = gtk_widget_get_toplevel(GTK_WIDGET(self));
+    if (!virt_viewer_display_get_enabled(self) ||
+        !GTK_IS_WINDOW(top)) {
         preferred->width = 0;
         preferred->height = 0;
         preferred->x = 0;
@@ -695,7 +697,6 @@ void virt_viewer_display_get_preferred_monitor_geometry(VirtViewerDisplay* self,
         return;
     }
 
-    top = gtk_widget_get_toplevel(GTK_WIDGET(self));
     gtk_window_get_position(GTK_WINDOW(top), &topx, &topy);
     topx = MAX(topx, 0);
     topy = MAX(topy, 0);
-- 
2.18.0.321.gffc6fa0e39

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