add ea-combo-button.[ch] to Makefile.

2005-01-04  Harry Lu  <harry.lu@sun.com>

        * widgets/Makefile.am: add ea-combo-button.[ch] to Makefile.
        * widgets/ea-combo-button.c:
        * widgets/ea-combo-button.h: implement a11y object for e-combo-button.
        * widgets/ea-widgets.c: (e_combo_button_a11y_init): set a11y factory.
        * widgets/ea-widgets.h: add declaration.

svn path=/trunk/; revision=28228

1 files changed, 170 insertions, 0 deletions

diff --git a/a11y/widgets/ea-combo-button.c b/a11y/widgets/ea-combo-button.c
new file mode 100644
index 0000000000..aad60c3023
--- /dev/null
+++ b/a11y/widgets/ea-combo-button.c
@@ -0,0 +1,170 @@
+/*
+ * Authors: Harry Lu  <harry.lu@sun.com>
+ *
+ * Copyright (C) 2004 Ximian, Inc.
+ */
+
+#include <config.h>
+#include "ea-combo-button.h"
+#include <gtk/gtkbutton.h>
+#include <gtk/gtklabel.h>
+#include <glib/gi18n.h>
+
+static AtkObjectClass *parent_class;
+static GType parent_type;
+
+/*Action IDs */
+enum {
+	ACTIVATE_DEFAULT,
+	POPUP_MENU,	
+	LAST_ACTION
+};
+
+/* Static functions */
+static G_CONST_RETURN gchar*
+ea_combo_button_get_name (AtkObject *a11y)
+{
+	GtkWidget *widget;
+	GtkWidget *label;
+	EComboButton *button;
+
+	widget = GTK_ACCESSIBLE (a11y)->widget;
+	if (!widget)
+		return NULL;
+
+	button = E_COMBO_BUTTON (widget);
+	label = e_combo_button_get_label (button);
+	if (label)
+		return gtk_label_get_text (GTK_LABEL (label));
+
+	return _("Combo Button");
+}
+
+/* Action interface */
+static G_CONST_RETURN gchar *
+ea_combo_button_action_get_name (AtkAction *action, gint i)
+{
+	switch (i)
+	{
+		case ACTIVATE_DEFAULT:
+			return _("Activate Default");
+		case POPUP_MENU:
+			return _("Popup Menu");
+		default:
+			return NULL;
+	}
+}
+
+static gboolean
+ea_combo_button_do_action (AtkAction *action,
+                       gint      i)
+{
+	GtkWidget *widget;
+	EComboButton *button;
+
+	widget = GTK_ACCESSIBLE (action)->widget;
+	if (!widget || !GTK_WIDGET_IS_SENSITIVE (widget) || !GTK_WIDGET_VISIBLE (widget))
+		return FALSE;
+
+	button = E_COMBO_BUTTON (widget);
+
+	switch (i)
+	{
+		case ACTIVATE_DEFAULT:
+			g_signal_emit_by_name (button, "activate_default");
+			return TRUE;
+		case POPUP_MENU:
+			return e_combo_button_popup_menu (button);
+		default:
+			return FALSE;
+	}
+}
+
+static gint
+ea_combo_button_get_n_actions (AtkAction *action)
+{
+  return LAST_ACTION;
+}
+
+static void
+atk_action_interface_init (AtkActionIface *iface)
+{
+	g_return_if_fail (iface != NULL);	
+
+	iface->do_action = ea_combo_button_do_action;
+	iface->get_n_actions = ea_combo_button_get_n_actions;
+	iface->get_name = ea_combo_button_action_get_name;
+}
+
+static void
+ea_combo_button_class_init (EaComboButtonClass *klass)
+{
+	AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass);
+
+	parent_class  = g_type_class_ref (parent_type);
+
+	atk_object_class->get_name = ea_combo_button_get_name;
+}
+
+static void
+ea_combo_button_init (EaComboButton *a11y)
+{
+	/* Empty for now */
+}
+
+GType
+ea_combo_button_get_type (void)
+{
+	static GType type = 0;
+
+	if (!type) {
+		AtkObjectFactory *factory;
+		GTypeQuery query;
+
+		GTypeInfo info = {
+			sizeof (EaComboButtonClass),
+			(GBaseInitFunc) NULL,
+			(GBaseFinalizeFunc) NULL,
+			(GClassInitFunc) ea_combo_button_class_init,
+			(GClassFinalizeFunc) NULL,
+			NULL, /* class_data */
+			sizeof (EaComboButton),
+			0,
+			(GInstanceInitFunc) ea_combo_button_init,
+			NULL /* value_tree */
+		};
+
+		static const GInterfaceInfo atk_action_info = {
+			(GInterfaceInitFunc) atk_action_interface_init,
+			(GInterfaceFinalizeFunc) NULL,
+			NULL
+		};
+
+		factory = atk_registry_get_factory (atk_get_default_registry (), GTK_TYPE_BUTTON);
+		parent_type = atk_object_factory_get_accessible_type (factory);
+		g_type_query (parent_type, &query);
+
+		info.class_size = query.class_size;
+		info.instance_size = query.instance_size;
+
+		type = g_type_register_static (parent_type, "EaComboButton", &info, 0);
+		g_type_add_interface_static (type, ATK_TYPE_ACTION,
+					     &atk_action_info);
+
+	}
+
+	return type;
+}
+
+AtkObject *
+ea_combo_button_new (GtkWidget *widget)
+{
+	EaComboButton *a11y;
+
+	a11y = g_object_new (ea_combo_button_get_type (), NULL);
+
+	GTK_ACCESSIBLE (a11y)->widget = GTK_WIDGET (widget);
+	ATK_OBJECT (a11y)->role = ATK_ROLE_PUSH_BUTTON;
+
+	return ATK_OBJECT (a11y);
+}