Merge lp:~azzar1/unity/fix-highdpi-force-quit-dialog into lp:unity

[Andrea Azzarone]

Correctly position the force quit dialog when scaling is different than 1.0

[Marco Trevisan (Treviño) (3v1n0)]

Thanks

review: Approve

=== modified file 'decorations/DecorationsForceQuitDialog.cpp'
--- decorations/DecorationsForceQuitDialog.cpp	2016-08-06 16:24:55 +0000
+++ decorations/DecorationsForceQuitDialog.cpp	2016-10-31 14:33:59 +0000
@@ -478,9 +478,11 @@
 
   void UpdateDialogPosition()
   {
+    gint scale = gtk_widget_get_scale_factor(dialog_);
+    scale = std::max<gint>(1, scale);
     auto const& win_geo = win_->inputRect();
-    nux::Size walloc(gtk_widget_get_allocated_width(dialog_), gtk_widget_get_allocated_height(dialog_));
-    gtk_window_move(GTK_WINDOW(dialog_), win_geo.centerX() - walloc.width/2, win_geo.centerY() - walloc.height/2);
+    nux::Size walloc(gtk_widget_get_allocated_width(dialog_) * scale, gtk_widget_get_allocated_height(dialog_) * scale);
+    gtk_window_move(GTK_WINDOW(dialog_), (win_geo.centerX() - walloc.width/2) / scale, (win_geo.centerY() - walloc.height/2) / scale);
   }
 
   ForceQuitDialog* parent_;