[gnome-builder] search: don't display search results until the entry has text

[Christian Hergert <chergert src gnome org>]

commit 66a5d9f2c97979ea76ba6f0ec8789aac44a6ffc2
Author: Christian Hergert <christian hergert me>
Date:   Sun Jan 18 20:04:59 2015 -0800

    search: don't display search results until the entry has text

 src/search/gb-search-box.c |   18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletions(-)
---
diff --git a/src/search/gb-search-box.c b/src/search/gb-search-box.c
index dbba308..88ca9e8 100644
--- a/src/search/gb-search-box.c
+++ b/src/search/gb-search-box.c
@@ -27,6 +27,7 @@
 #include "gb-search-display.h"
 #include "gb-search-manager.h"
 #include "gb-search-result.h"
+#include "gb-string.h"
 #include "gb-widget.h"
 #include "gb-workbench.h"
 
@@ -138,11 +139,16 @@ gb_search_box_entry_focus_in (GbSearchBox   *box,
                               GdkEventFocus *focus,
                               GtkWidget     *entry)
 {
+  const gchar *text;
+
   g_return_val_if_fail (GB_IS_SEARCH_BOX (box), FALSE);
   g_return_val_if_fail (focus, FALSE);
   g_return_val_if_fail (GTK_IS_SEARCH_ENTRY (entry), FALSE);
 
-  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (box->priv->button), TRUE);
+  text = gtk_entry_get_text (GTK_ENTRY (box->priv->entry));
+
+  if (!gb_str_empty0 (text))
+    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (box->priv->button), TRUE);
 
   return GDK_EVENT_PROPAGATE;
 }
@@ -161,11 +167,21 @@ static void
 gb_search_box_entry_changed (GbSearchBox    *box,
                              GtkSearchEntry *entry)
 {
+  GtkToggleButton *button;
+  const gchar *text;
+  gboolean active;
   guint delay_msec = SHORT_DELAY_TIMEOUT_MSEC;
 
   g_return_if_fail (GB_IS_SEARCH_BOX (box));
   g_return_if_fail (GTK_IS_SEARCH_ENTRY (entry));
 
+  button = GTK_TOGGLE_BUTTON (box->priv->button);
+  text = gtk_entry_get_text (GTK_ENTRY (entry));
+  active = !gb_str_empty0 (text);
+
+  if (gtk_toggle_button_get_active (button) != active)
+    gtk_toggle_button_set_active (button, active);
+
   if (!box->priv->delay_timeout)
     {
       const gchar *search_text;