Progress update:

  - Get the "New" button and menu working.

  - Add a GtkMenuToolButton subclass called EMenuToolButton, which does
    some behind-the-scenes stuff to make the "New" button work properly.

  - Kill EComboButton and its associated a11y widget.


svn path=/branches/kill-bonobo/; revision=36045

1 files changed, 148 insertions, 0 deletions

diff --git a/widgets/misc/e-menu-tool-button.c b/widgets/misc/e-menu-tool-button.c
new file mode 100644
index 0000000000..be77895fbe
--- /dev/null
+++ b/widgets/misc/e-menu-tool-button.c
@@ -0,0 +1,148 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-menu-tool-button.c
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "e-menu-tool-button.h"
+
+static gpointer parent_class;
+
+static GtkWidget *
+menu_tool_button_clone_image (GtkWidget *source)
+{
+	GtkIconSize size;
+	GtkImageType image_type;
+	const gchar *icon_name;
+
+	/* XXX This isn't general purpose because it requires that the
+	 *     source image be using a named icon.  Somewhat surprised
+	 *     GTK+ doesn't offer something like this. */
+	image_type = gtk_image_get_storage_type (GTK_IMAGE (source));
+	g_return_val_if_fail (image_type == GTK_IMAGE_ICON_NAME, NULL);
+	gtk_image_get_icon_name (GTK_IMAGE (source), &icon_name, &size);
+
+	return gtk_image_new_from_icon_name (icon_name, size);
+}
+
+static GtkMenuItem *
+menu_tool_button_get_first_menu_item (GtkMenuToolButton *menu_tool_button)
+{
+	GtkWidget *menu;
+	GList *children;
+
+	menu = gtk_menu_tool_button_get_menu (menu_tool_button);
+	if (!GTK_IS_MENU (menu))
+		return NULL;
+
+	/* XXX GTK+ 2.12 provides no accessor function. */
+	children = GTK_MENU_SHELL (menu)->children;
+	if (children == NULL || children->next == NULL)
+		return NULL;
+
+	/* Return the /second/ menu item, which turns out to be the first
+	 * visible item.  The first menu item is some kind of placeholder? */
+	return GTK_MENU_ITEM (children->next->data);
+}
+
+static void
+menu_tool_button_update_icon (GtkToolButton *tool_button)
+{
+	GtkMenuItem *menu_item;
+	GtkMenuToolButton *menu_tool_button;
+	GtkImageMenuItem *image_menu_item;
+	GtkWidget *image;
+
+	menu_tool_button = GTK_MENU_TOOL_BUTTON (tool_button);
+	menu_item = menu_tool_button_get_first_menu_item (menu_tool_button);
+	if (!GTK_IS_IMAGE_MENU_ITEM (menu_item))
+		return;
+
+	image_menu_item = GTK_IMAGE_MENU_ITEM (menu_item);
+	image = gtk_image_menu_item_get_image (image_menu_item);
+	if (!GTK_IS_IMAGE (image))
+		return;
+
+	image = menu_tool_button_clone_image (image);
+	gtk_tool_button_set_icon_widget (tool_button, image);
+	gtk_widget_show (image);
+}
+
+static void
+menu_tool_button_clicked (GtkToolButton *tool_button)
+{
+	GtkMenuItem *menu_item;
+	GtkMenuToolButton *menu_tool_button;
+
+	menu_tool_button = GTK_MENU_TOOL_BUTTON (tool_button);
+	menu_item = menu_tool_button_get_first_menu_item (menu_tool_button);
+
+	if (GTK_IS_MENU_ITEM (menu_item))
+		gtk_menu_item_activate (menu_item);
+}
+
+static void
+menu_tool_button_class_init (EMenuToolButtonClass *class)
+{
+	GtkToolButtonClass *tool_button_class;
+
+	parent_class = g_type_class_peek_parent (class);
+
+	tool_button_class = GTK_TOOL_BUTTON_CLASS (class);
+	tool_button_class->clicked = menu_tool_button_clicked;
+}
+
+static void
+menu_tool_button_init (EMenuToolButton *button)
+{
+	g_signal_connect (
+		button, "notify::menu",
+		G_CALLBACK (menu_tool_button_update_icon), NULL);
+}
+
+GType
+e_menu_tool_button_get_type (void)
+{
+	static GType type = 0;
+
+	if (G_UNLIKELY (type == 0)) {
+		const GTypeInfo type_info = {
+			sizeof (EMenuToolButtonClass),
+			(GBaseInitFunc) NULL,
+			(GBaseFinalizeFunc) NULL,
+			(GClassInitFunc) menu_tool_button_class_init,
+			(GClassFinalizeFunc) NULL,
+			NULL,  /* class_data */
+			sizeof (EMenuToolButton),
+			0,     /* n_preallocs */
+			(GInstanceInitFunc) menu_tool_button_init,
+			NULL   /* value_table */
+		};
+
+		type = g_type_register_static (
+			GTK_TYPE_MENU_TOOL_BUTTON, "EMenuToolButton",
+			&type_info, 0);
+	}
+
+	return type;
+}
+
+GtkToolItem *
+e_menu_tool_button_new (const gchar *label)
+{
+	return g_object_new (E_TYPE_MENU_TOOL_BUTTON, "label", label, NULL);
+}