[Xfce4-commits] [xfce/xfce4-power-manager] 20/63: Fix hover effect on the scale's slider

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eric pushed a commit to branch master
in repository xfce/xfce4-power-manager.

commit 483ee8b3cf840d2a777759f09a300bee40976704
Author: Simon Steinbeiss <simon.steinbeiss at elfenbeinturm.at>
Date:   Wed Mar 11 23:55:07 2015 +0100

    Fix hover effect on the scale's slider
    
    Borrowed from upstream libido, thanks to Lars Uebernickel.
---
 panel-plugins/power-manager-plugin/scalemenuitem.c |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/panel-plugins/power-manager-plugin/scalemenuitem.c b/panel-plugins/power-manager-plugin/scalemenuitem.c
index 3a598e4..72b09ea 100644
--- a/panel-plugins/power-manager-plugin/scalemenuitem.c
+++ b/panel-plugins/power-manager-plugin/scalemenuitem.c
@@ -306,6 +306,15 @@ scale_menu_item_motion_notify_event (GtkWidget      *menuitem,
   gtk_widget_get_allocation (priv->scale, &alloc);
   gtk_widget_translate_coordinates (menuitem, priv->scale, event->x, event->y, &x, &y);
 
+  /* don't translate coordinates when the scale has the "grab" -
+   * GtkRange expects coords relative to its event window in that case
+   */
+  if (!priv->grabbed)
+  {
+    event->x = x;
+    event->y = y;
+  }
+
   if (priv->grabbed ||
       (x > 0 && x < alloc.width && y > 0 && y < alloc.height))
     gtk_widget_event (scale, (GdkEvent*)event);

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