[grilo] test-ui: Support search all

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit 02688fe8f32a512a1872e71e32865b2e21f04f1c
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Wed Feb 2 21:17:57 2011 +0100

    test-ui: Support search all
    
    If search text entry is empty, perform a search all.
    
    Signed-off-by: Juan A. Suarez Romero <jasuarez igalia com>

 tools/grilo-test-ui/main.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/tools/grilo-test-ui/main.c b/tools/grilo-test-ui/main.c
index 0c91f56..6d15117 100644
--- a/tools/grilo-test-ui/main.c
+++ b/tools/grilo-test-ui/main.c
@@ -1078,7 +1078,12 @@ search_btn_clicked_cb (GtkButton *btn, gpointer user_data)
 			SEARCH_MODEL_SOURCE, &source,
 			-1);
     text = gtk_entry_get_text (GTK_ENTRY (view->search_text));
-    search (source, text);
+    /* Special case: empty search means search all */
+    if (text[0] == '\0') {
+      search (source, NULL);
+    } else {
+      search (source, text);
+    }
 
     if (source) {
       g_object_unref (source);