[nautilus] Interpret a blank search as a search for any name

[William Jon McCann <mccann src gnome org>]

commit b38a9cdc2fc92df1a7de6541aa289bf98dda6443
Author: William Jon McCann <jmccann redhat com>
Date:   Fri Jul 13 19:22:52 2012 -0400

    Interpret a blank search as a search for any name
    
    This allows us to filter the list based on other parameters
    like file type and to make clearing the search make more sense.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=679900

 libnautilus-private/nautilus-query.c |    4 ++--
 src/nautilus-query-editor.c          |   27 +++++----------------------
 2 files changed, 7 insertions(+), 24 deletions(-)
---
diff --git a/libnautilus-private/nautilus-query.c b/libnautilus-private/nautilus-query.c
index e96ba64..76c4e50 100644
--- a/libnautilus-private/nautilus-query.c
+++ b/libnautilus-private/nautilus-query.c
@@ -86,7 +86,7 @@ void
 nautilus_query_set_text (NautilusQuery *query, const char *text)
 {
 	g_free (query->details->text);
-	query->details->text = g_strdup (text);
+	query->details->text = g_strstrip (g_strdup (text));
 }
 
 char *
@@ -125,7 +125,7 @@ nautilus_query_add_mime_type (NautilusQuery *query, const char *mime_type)
 char *
 nautilus_query_to_readable_string (NautilusQuery *query)
 {
-	if (!query || !query->details->text) {
+	if (!query || !query->details->text || query->details->text[0] == '\0') {
 		return g_strdup (_("Search"));
 	}
 
diff --git a/src/nautilus-query-editor.c b/src/nautilus-query-editor.c
index b993830..a30fd0f 100644
--- a/src/nautilus-query-editor.c
+++ b/src/nautilus-query-editor.c
@@ -1071,16 +1071,6 @@ nautilus_query_editor_set_visible (NautilusQueryEditor *editor,
 	}
 }
 
-static gboolean
-query_is_valid (NautilusQueryEditor *editor)
-{
-	const char *text;
-
-	text = gtk_entry_get_text (GTK_ENTRY (editor->details->entry));
-
-	return text != NULL && text[0] != '\0';
-}
-
 static void
 nautilus_query_editor_changed_force (NautilusQueryEditor *editor, gboolean force_reload)
 {
@@ -1089,13 +1079,11 @@ nautilus_query_editor_changed_force (NautilusQueryEditor *editor, gboolean force
 	if (editor->details->change_frozen) {
 		return;
 	}
-	
-	if (query_is_valid (editor)) {
-		query = nautilus_query_editor_get_query (editor);
-		g_signal_emit (editor, signals[CHANGED], 0,
-			       query, force_reload);
-		g_object_unref (query);
-	}
+
+	query = nautilus_query_editor_get_query (editor);
+	g_signal_emit (editor, signals[CHANGED], 0,
+		       query, force_reload);
+	g_object_unref (query);
 }
 
 static void
@@ -1142,11 +1130,6 @@ nautilus_query_editor_get_query (NautilusQueryEditor *editor)
 
 	query_text = gtk_entry_get_text (GTK_ENTRY (editor->details->entry));
 
-	/* Empty string is a NULL query */
-	if (query_text && query_text[0] == '\0') {
-		return NULL;
-	}
-	
 	query = nautilus_query_new ();
 	nautilus_query_set_text (query, query_text);