[gtksourceview/wip/search] search: scan also all the buffer if the text is NULL

[Sébastien Wilmet <swilmet src gnome org>]

commit f3b0d216727ae88ecda384d3c567d1678bad9f92
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Jun 20 22:18:21 2013 +0200

    search: scan also all the buffer if the text is NULL
    
    To remove the found_tag. The found_tag was already removed, but only if
    the region becomes visible on screen. So when we scrolled, we could see
    the search matches disappearing. Now the found_tag is removed in an
    idle, chunks by chunks (to not block the UI).

 gtksourceview/gtksourcesearch.c |   27 +++++++--------------------
 1 files changed, 7 insertions(+), 20 deletions(-)
---
diff --git a/gtksourceview/gtksourcesearch.c b/gtksourceview/gtksourcesearch.c
index 3990929..19bcd4a 100644
--- a/gtksourceview/gtksourcesearch.c
+++ b/gtksourceview/gtksourcesearch.c
@@ -473,15 +473,9 @@ update (GtkSourceSearch *search)
 
        clear_search (search);
 
-       gtk_text_buffer_get_bounds (search->priv->buffer, &start, &end);
-
-       if (search->priv->text == NULL)
-       {
-               g_signal_emit_by_name (search->priv->buffer, "highlight-updated", &start, &end);
-               return;
-       }
-
        search->priv->region = gtk_text_region_new (search->priv->buffer);
+
+       gtk_text_buffer_get_bounds (search->priv->buffer, &start, &end);
        add_subregion_to_scan (search, &start, &end);
 }
 
@@ -682,22 +676,15 @@ _gtk_source_search_update_highlight (GtkSourceSearch   *search,
        g_return_if_fail (start != NULL);
        g_return_if_fail (end != NULL);
 
-       if (dispose_has_run (search))
+       if (dispose_has_run (search) ||
+           is_text_region_empty (search->priv->region))
        {
                return;
        }
 
-       if (is_text_region_empty (search->priv->region))
-       {
-               region_to_highlight = gtk_text_region_new (search->priv->buffer);
-               gtk_text_region_add (region_to_highlight, start, end);
-       }
-       else
-       {
-               region_to_highlight = gtk_text_region_intersect (search->priv->region,
-                                                                start,
-                                                                end);
-       }
+       region_to_highlight = gtk_text_region_intersect (search->priv->region,
+                                                        start,
+                                                        end);
 
        if (region_to_highlight == NULL)
        {