From: Cosimo Cecchi <cosimoc@gnome.org>
Date: Sat, 5 Mar 2016 02:11:30 +0000 (-0800)
Subject: range: avoid setting slider coordinates to negative numbers
X-Git-Tag: archive/raspbian/3.24.39-1+rpi1~1^2~65^2~39^2~2666
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success/%22http:/www.example.com/cgi/success?a=commitdiff_plain;h=f3e068bb31fffa6e647d021d334ee578049e9a4d;p=gtk%2B3.0.git

range: avoid setting slider coordinates to negative numbers

This can happen if the theme sets a negative margin, but the coordinate
should never be negative.
---

diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index 0d6c097b23..66cf084b2b 100644
--- a/gtk/gtkrange.c
+++ b/gtk/gtkrange.c
@@ -2617,13 +2617,13 @@ update_initial_slider_position (GtkRange      *range,
 
   if (priv->orientation == GTK_ORIENTATION_VERTICAL)
     {
-      priv->slide_initial_slider_position = slider_alloc->y;
-      priv->slide_initial_coordinate_delta = y - slider_alloc->y;
+      priv->slide_initial_slider_position = MAX (0, slider_alloc->y);
+      priv->slide_initial_coordinate_delta = y - priv->slide_initial_slider_position;
     }
   else
     {
-      priv->slide_initial_slider_position = slider_alloc->x;
-      priv->slide_initial_coordinate_delta = x - slider_alloc->x;
+      priv->slide_initial_slider_position = MAX (0, slider_alloc->x);
+      priv->slide_initial_coordinate_delta = x - priv->slide_initial_slider_position;
     }
 }