[libgd] gd-main-view: Make selection_mode_do_select_range handle any order

[Alexander Larsson <alexl src gnome org>]

commit 70f3b79601d3c11839c134b1a959472a9d66fc23
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Apr 11 11:17:06 2013 +0200

    gd-main-view: Make selection_mode_do_select_range handle any order
    
    This makes the function work no matter what order the two iters
    are in the model, where previously it would break unless first_element
    was before last_element.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=697645

 libgd/gd-main-view.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/libgd/gd-main-view.c b/libgd/gd-main-view.c
index 97136d3..8b54ca3 100644
--- a/libgd/gd-main-view.c
+++ b/libgd/gd-main-view.c
@@ -327,8 +327,19 @@ selection_mode_do_select_range (GdMainView *self,
   GtkTreePath *path, *last_path;
   gboolean equal;
 
+  path = gtk_tree_model_get_path (self->priv->model, first_element);
   last_path = gtk_tree_model_get_path (self->priv->model, last_element);
-  iter = *first_element;
+  if (gtk_tree_path_compare (path, last_path) > 0)
+    {
+      gtk_tree_path_free (last_path);
+      last_path = path;
+      iter = *last_element;
+    }
+  else
+    {
+      gtk_tree_path_free (path);
+      iter = *first_element;
+    }
 
   do
     {