[evolution] Bug #641343 - Cannot scroll to bottom of folder list while dragging

[Milan Crha <mcrha src gnome org>]

commit 7a7d6cd2f114e93fe321865abffd297d8743651b
Author: Milan Crha <mcrha redhat com>
Date:   Wed Feb 23 15:53:40 2011 +0100

    Bug #641343 - Cannot scroll to bottom of folder list while dragging

 mail/em-folder-tree.c |   11 +----------
 1 files changed, 1 insertions(+), 10 deletions(-)
---
diff --git a/mail/em-folder-tree.c b/mail/em-folder-tree.c
index 69a3435..86a0bda 100644
--- a/mail/em-folder-tree.c
+++ b/mail/em-folder-tree.c
@@ -2427,9 +2427,6 @@ tree_autoscroll (EMFolderTree *folder_tree)
 	GdkRectangle rect;
 	GdkWindow *window;
 	gint offset, y;
-	gdouble page_size;
-	gdouble upper;
-	gdouble value;
 
 	/* get the y pointer position relative to the treeview */
 	tree_view = GTK_TREE_VIEW (folder_tree);
@@ -2450,13 +2447,7 @@ tree_autoscroll (EMFolderTree *folder_tree)
 	}
 
 	adjustment = gtk_tree_view_get_vadjustment (tree_view);
-
-	page_size = gtk_adjustment_get_value (adjustment);
-	upper = gtk_adjustment_get_upper (adjustment);
-	value = gtk_adjustment_get_value (adjustment);
-
-	value = CLAMP (value + offset, 0.0, upper - page_size);
-	gtk_adjustment_set_value (adjustment, value);
+	gtk_adjustment_set_value (adjustment, MAX (gtk_adjustment_get_value (adjustment) + offset, 0.0));
 
 	return TRUE;
 }