widget: gdk_display_get_monitor can return NULL

Fixes #1466
2018-11-20 12:44:23 +01:00 · 2018-11-20 12:44:23 +01:00 · d76a0feef6
commit d76a0feef6
parent 08a07d4ae5
1 changed files with 4 additions and 1 deletions
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@ -7617,7 +7617,10 @@ gtk_widget_get_scale_factor (GtkWidget *widget)
  display = _gtk_widget_get_display (widget);
  monitor = gdk_display_get_monitor (display, 0);

-  return gdk_monitor_get_scale_factor (monitor);
+  if (monitor)
+    return gdk_monitor_get_scale_factor (monitor);
+
+  return 1;
 }

 /**