[gnome-builder] GbSearchBox: select first row upon GDK_KEY_Down key-press-event

[Christian Hergert <chergert src gnome org>]

commit 79dfebb2242dab8789503414a6d1e24cc066ed65
Author: Christian Hergert <christian hergert me>
Date:   Mon Dec 15 17:06:43 2014 -0800

    GbSearchBox: select first row upon GDK_KEY_Down key-press-event

 src/search/gb-search-box.c     |   24 ++++++++++++++++++------
 src/search/gb-search-display.c |   27 +++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 6 deletions(-)
---
diff --git a/src/search/gb-search-box.c b/src/search/gb-search-box.c
index ce65649..8a4a87d 100644
--- a/src/search/gb-search-box.c
+++ b/src/search/gb-search-box.c
@@ -166,17 +166,29 @@ gb_search_box_entry_key_press_event (GbSearchBox    *box,
   g_return_val_if_fail (key, GDK_EVENT_PROPAGATE);
   g_return_val_if_fail (GTK_IS_SEARCH_ENTRY (entry), GDK_EVENT_PROPAGATE);
 
-  if (key->keyval == GDK_KEY_Escape)
+  switch (key->keyval)
     {
-      GtkWidget *toplevel;
+    case GDK_KEY_Escape:
+      {
+        GtkWidget *toplevel;
 
-      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (box->priv->button),
-                                    FALSE);
+        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (box->priv->button),
+                                      FALSE);
 
-      toplevel = gtk_widget_get_toplevel (GTK_WIDGET (entry));
-      gtk_window_set_focus (GTK_WINDOW (toplevel), NULL);
+        toplevel = gtk_widget_get_toplevel (GTK_WIDGET (entry));
+        gtk_window_set_focus (GTK_WINDOW (toplevel), NULL);
 
+        return GDK_EVENT_STOP;
+      }
+      break;
+
+    case GDK_KEY_Down:
+    case GDK_KEY_KP_Down:
+      gtk_widget_grab_focus (GTK_WIDGET (box->priv->display));
       return GDK_EVENT_STOP;
+
+    default:
+      break;
     }
 
   return GDK_EVENT_PROPAGATE;
diff --git a/src/search/gb-search-display.c b/src/search/gb-search-display.c
index d646b65..488e727 100644
--- a/src/search/gb-search-display.c
+++ b/src/search/gb-search-display.c
@@ -202,6 +202,31 @@ gb_search_display_row_activated (GbSearchDisplay *display,
 }
 
 static void
+gb_search_display_grab_focus (GtkWidget *widget)
+{
+  GbSearchDisplay *display = (GbSearchDisplay *)widget;
+  GtkListBoxRow *row;
+
+  g_return_if_fail (GB_IS_SEARCH_DISPLAY (display));
+
+  /*
+   * WORKAROUND:
+   *
+   * Getting the row at y of 0 does not work (returns NULL). And getting the
+   * row at index 0 does not take into account sort.
+   *
+   * https://bugzilla.gnome.org/show_bug.cgi?id=741208
+   */
+  row = gtk_list_box_get_row_at_y (display->priv->list_box, 1);
+
+  if (row)
+    {
+      gtk_list_box_select_row (display->priv->list_box, row);
+      gtk_widget_grab_focus (GTK_WIDGET (row));
+    }
+}
+
+static void
 gb_search_display_constructed (GObject *object)
 {
   GbSearchDisplay *self = (GbSearchDisplay *)object;
@@ -276,6 +301,8 @@ gb_search_display_class_init (GbSearchDisplayClass *klass)
   object_class->get_property = gb_search_display_get_property;
   object_class->set_property = gb_search_display_set_property;
 
+  widget_class->grab_focus = gb_search_display_grab_focus;
+
   gParamSpecs [PROP_CONTEXT] =
     g_param_spec_object ("context",
                          _("Context"),