[gtk+/gtk-3-0] switch: fix boundaries for the switch motion



commit 78051a69357a9133ba7564ab907e7da3bf56713d
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Thu Mar 17 18:27:03 2011 -0400

    switch: fix boundaries for the switch motion
    
    We were ignoring the focus ring padding, and we were incorrectly setting
    handle_x to padding.left, while the draw handler already takes padding
    into account while redrawing.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=645134

 gtk/gtkswitch.c |   19 ++++++++++++++++---
 1 files changed, 16 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkswitch.c b/gtk/gtkswitch.c
index d6a6ea7..b33a168 100644
--- a/gtk/gtkswitch.c
+++ b/gtk/gtkswitch.c
@@ -162,17 +162,30 @@ gtk_switch_motion (GtkWidget      *widget,
       GtkStyleContext *context;
       GtkStateFlags state;
       GtkBorder padding;
+      gint width, focus_width, focus_pad;
+
+      gtk_widget_style_get (widget,
+                            "focus-line-width", &focus_width,
+                            "focus-padding", &focus_pad,
+                            NULL);
 
       context = gtk_widget_get_style_context (widget);
       state = gtk_widget_get_state_flags (widget);
+
+      gtk_style_context_save (context);
+      gtk_style_context_add_class (context, GTK_STYLE_CLASS_SLIDER);
       gtk_style_context_get_padding (context, state, &padding);
+      gtk_style_context_restore (context);
+      
       gtk_widget_get_allocation (widget, &allocation);
 
+      width = allocation.width - 2 * (focus_width + focus_pad);
+
       /* constrain the handle within the trough width */
-      if (position > (allocation.width / 2 - padding.right))
-        priv->handle_x = allocation.width / 2 - padding.right;
+      if (position > (width / 2) - padding.right)
+        priv->handle_x = width / 2 - padding.right;
       else if (position < padding.left)
-        priv->handle_x = padding.left;
+        priv->handle_x = 0;
       else
         priv->handle_x = position;
 



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