[rhythmbox] header: munge button events to pretend the slider trough is much wider

[Jonathan Matthew <jmatthew src gnome org>]

commit 493e85023f8fe9bf0996141d2eb6bcdbd657e833
Author: Jonathan Matthew <jonathan d14n org>
Date:   Sat Oct 27 23:31:25 2012 +1000

    header: munge button events to pretend the slider trough is much wider

 widgets/rb-header.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/widgets/rb-header.c b/widgets/rb-header.c
index 3ea65e1..54fcb71 100644
--- a/widgets/rb-header.c
+++ b/widgets/rb-header.c
@@ -886,6 +886,8 @@ slider_press_callback (GtkWidget *widget,
 		       GdkEventButton *event,
 		       RBHeader *header)
 {
+	int height;
+
 	header->priv->slider_dragging = TRUE;
 	header->priv->slider_drag_moved = FALSE;
 	header->priv->latest_set_time = -1;
@@ -900,6 +902,10 @@ slider_press_callback (GtkWidget *widget,
 	event->button = 2;
 #endif
 
+	/* more hack: pretend the trough is at least 20 pixels high */
+	height = gtk_widget_get_allocated_height (widget);
+	if (abs (event->y - (height / 2)) < 10)
+		event->y = height / 2;
 
 	return FALSE;
 }