Add ATK names to the Up, Down, and Root buttons. Keep the focus from

2007-05-16  Matthias Clasen  <mclasen@redhat.com>

        * gtk/gtkpathbar.c: Add ATK names to the Up, Down, and Root
        buttons. Keep the focus from vanishing when Up or Down arrows
        become insensitive or invisible.  (#357005, Patrick Wade)



svn path=/trunk/; revision=17856

1 files changed, 76 insertions, 1 deletions

diff --git a/gtk/gtkpathbar.c b/gtk/gtkpathbar.c
index 3e78225ada..fdda4f9308 100644
--- a/gtk/gtkpathbar.c
+++ b/gtk/gtkpathbar.c
@@ -98,6 +98,12 @@ static void gtk_path_bar_scroll_up                (GtkWidget        *button,
 static void gtk_path_bar_scroll_down              (GtkWidget        *button,
 						   GtkPathBar       *path_bar);
 static void gtk_path_bar_stop_scrolling           (GtkPathBar       *path_bar);
+static gboolean gtk_path_bar_slider_up_defocus    (GtkWidget        *widget,
+						   GdkEventButton   *event,
+						   GtkPathBar       *path_bar);
+static gboolean gtk_path_bar_slider_down_defocus  (GtkWidget        *widget,
+						   GdkEventButton   *event,
+						   GtkPathBar       *path_bar);
 static gboolean gtk_path_bar_slider_button_press  (GtkWidget        *widget,
 						   GdkEventButton   *event,
 						   GtkPathBar       *path_bar);
@@ -132,10 +138,17 @@ get_slider_button (GtkPathBar  *path_bar,
 		   GtkArrowType arrow_type)
 {
   GtkWidget *button;
+  AtkObject *atk_obj;
 
   gtk_widget_push_composite_child ();
 
   button = gtk_button_new ();
+  atk_obj = gtk_widget_get_accessible (button);
+  if (arrow_type == GTK_ARROW_LEFT)
+    atk_object_set_name (atk_obj, _("Up Path"));
+  else
+    atk_object_set_name (atk_obj, _("Down Path"));
+
   gtk_button_set_focus_on_click (GTK_BUTTON (button), FALSE);
   gtk_container_add (GTK_CONTAINER (button), gtk_arrow_new (arrow_type, GTK_SHADOW_OUT));
   gtk_container_add (GTK_CONTAINER (path_bar), button);
@@ -165,6 +178,9 @@ gtk_path_bar_init (GtkPathBar *path_bar)
   g_signal_connect (path_bar->up_slider_button, "clicked", G_CALLBACK (gtk_path_bar_scroll_up), path_bar);
   g_signal_connect (path_bar->down_slider_button, "clicked", G_CALLBACK (gtk_path_bar_scroll_down), path_bar);
 
+  g_signal_connect (path_bar->up_slider_button, "focus_out_event", G_CALLBACK (gtk_path_bar_slider_up_defocus), path_bar);
+  g_signal_connect (path_bar->down_slider_button, "focus_out_event", G_CALLBACK (gtk_path_bar_slider_down_defocus), path_bar);
+
   g_signal_connect (path_bar->up_slider_button, "button_press_event", G_CALLBACK (gtk_path_bar_slider_button_press), path_bar);
   g_signal_connect (path_bar->up_slider_button, "button_release_event", G_CALLBACK (gtk_path_bar_slider_button_release), path_bar);
   g_signal_connect (path_bar->down_slider_button, "button_press_event", G_CALLBACK (gtk_path_bar_slider_button_press), path_bar);
@@ -794,6 +810,62 @@ gtk_path_bar_stop_scrolling (GtkPathBar *path_bar)
 }
 
 static gboolean
+gtk_path_bar_slider_up_defocus (GtkWidget      *widget,
+                                    GdkEventButton *event,
+                                    GtkPathBar     *path_bar)
+{
+  GList *list;
+  GList *up_button = NULL;
+
+  if (event->type != GDK_FOCUS_CHANGE)
+    return FALSE;
+
+  for (list = g_list_last (path_bar->button_list); list; list = list->prev)
+    {
+      if (gtk_widget_get_child_visible (BUTTON_DATA (list->data)->button))
+        {
+          up_button = list;
+          break;
+        }
+    }
+
+  /* don't let the focus vanish */
+  if ((!GTK_WIDGET_IS_SENSITIVE (path_bar->up_slider_button)) || 
+      (!gtk_widget_get_child_visible (path_bar->up_slider_button)))
+    gtk_widget_grab_focus (BUTTON_DATA (up_button->data)->button);
+
+  return FALSE;
+}
+
+static gboolean
+gtk_path_bar_slider_down_defocus (GtkWidget      *widget,
+                                    GdkEventButton *event,
+                                    GtkPathBar     *path_bar)
+{
+  GList *list;
+  GList *down_button = NULL;
+
+  if (event->type != GDK_FOCUS_CHANGE)
+    return FALSE;
+
+  for (list = path_bar->button_list; list; list = list->next)
+    {
+      if (gtk_widget_get_child_visible (BUTTON_DATA (list->data)->button))
+        {
+          down_button = list;
+          break;
+        }
+    }
+
+  /* don't let the focus vanish */
+  if ((!GTK_WIDGET_IS_SENSITIVE (path_bar->down_slider_button)) || 
+      (!gtk_widget_get_child_visible (path_bar->down_slider_button)))
+    gtk_widget_grab_focus (BUTTON_DATA (down_button->data)->button);
+
+  return FALSE;
+}
+
+static gboolean
 gtk_path_bar_slider_button_press (GtkWidget      *widget, 
 				  GdkEventButton *event,
 				  GtkPathBar     *path_bar)
@@ -1279,6 +1351,7 @@ make_directory_button (GtkPathBar  *path_bar,
     { "text/uri-list", 0, 0 }
   };
 
+  AtkObject *atk_obj;
   GtkWidget *child = NULL;
   GtkWidget *label_alignment = NULL;
   ButtonData *button_data;
@@ -1289,6 +1362,7 @@ make_directory_button (GtkPathBar  *path_bar,
 
   button_data->type = find_button_type (path_bar, path);
   button_data->button = gtk_toggle_button_new ();
+  atk_obj = gtk_widget_get_accessible (button_data->button);
   gtk_button_set_focus_on_click (GTK_BUTTON (button_data->button), FALSE);
 
   switch (button_data->type)
@@ -1296,7 +1370,8 @@ make_directory_button (GtkPathBar  *path_bar,
     case ROOT_BUTTON:
       button_data->image = gtk_image_new ();
       child = button_data->image;
-      button_data->label = NULL;
+      button_data->label = gtk_label_new (NULL);
+      atk_object_set_name (atk_obj, _("File System Root"));
       break;
     case HOME_BUTTON:
     case DESKTOP_BUTTON: