Merging in the development branches

1 files changed, 281 insertions, 0 deletions

diff --git a/libdbusmenu-gtk/menu.c b/libdbusmenu-gtk/menu.c
new file mode 100644
index 0000000..bc7458c
--- /dev/null
+++ b/libdbusmenu-gtk/menu.c
@@ -0,0 +1,281 @@
+/*
+A library to take the object model made consistent by libdbusmenu-glib
+and visualize it in GTK.
+
+Copyright 2009 Canonical Ltd.
+
+Authors:
+    Ted Gould <ted@canonical.com>
+
+This program is free software: you can redistribute it and/or modify it 
+under the terms of either or both of the following licenses:
+
+1) the GNU Lesser General Public License version 3, as published by the 
+Free Software Foundation; and/or
+2) the GNU Lesser General Public License version 2.1, 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 warranties of 
+MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR 
+PURPOSE.  See the applicable version of the GNU Lesser General Public 
+License for more details.
+
+You should have received a copy of both the GNU Lesser General Public 
+License version 3 and version 2.1 along with this program.  If not, see 
+<http://www.gnu.org/licenses/>
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gtk/gtk.h>
+
+#include "menu.h"
+#include "libdbusmenu-glib/client.h"
+#include "client.h"
+
+/* Properties */
+enum {
+	PROP_0,
+	PROP_DBUSOBJECT,
+	PROP_DBUSNAME
+};
+
+/* Private */
+typedef struct _DbusmenuGtkMenuPrivate DbusmenuGtkMenuPrivate;
+struct _DbusmenuGtkMenuPrivate {
+	DbusmenuGtkClient * client;
+
+	gchar * dbus_object;
+	gchar * dbus_name;
+};
+
+#define DBUSMENU_GTKMENU_GET_PRIVATE(o) \
+(G_TYPE_INSTANCE_GET_PRIVATE ((o), DBUSMENU_GTKMENU_TYPE, DbusmenuGtkMenuPrivate))
+
+/* Prototypes */
+static void dbusmenu_gtkmenu_class_init (DbusmenuGtkMenuClass *klass);
+static void dbusmenu_gtkmenu_init       (DbusmenuGtkMenu *self);
+static void dbusmenu_gtkmenu_dispose    (GObject *object);
+static void dbusmenu_gtkmenu_finalize   (GObject *object);
+static void set_property (GObject * obj, guint id, const GValue * value, GParamSpec * pspec);
+static void get_property (GObject * obj, guint id, GValue * value, GParamSpec * pspec);
+/* Internal */
+static void build_client (DbusmenuGtkMenu * self);
+
+/* GObject Stuff */
+G_DEFINE_TYPE (DbusmenuGtkMenu, dbusmenu_gtkmenu, GTK_TYPE_MENU);
+
+static void
+dbusmenu_gtkmenu_class_init (DbusmenuGtkMenuClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+	g_type_class_add_private (klass, sizeof (DbusmenuGtkMenuPrivate));
+
+	object_class->dispose = dbusmenu_gtkmenu_dispose;
+	object_class->finalize = dbusmenu_gtkmenu_finalize;
+	object_class->set_property = set_property;
+	object_class->get_property = get_property;
+
+	g_object_class_install_property (object_class, PROP_DBUSOBJECT,
+	                                 g_param_spec_string(DBUSMENU_CLIENT_PROP_DBUS_OBJECT, "DBus Object we represent",
+	                                              "The Object on the client that we're getting our data from.",
+	                                              NULL,
+	                                              G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
+	g_object_class_install_property (object_class, PROP_DBUSNAME,
+	                                 g_param_spec_string(DBUSMENU_CLIENT_PROP_DBUS_NAME, "DBus Client we connect to",
+	                                              "Name of the DBus client we're connecting to.",
+	                                              NULL,
+	                                              G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
+
+	return;
+}
+
+static void
+dbusmenu_gtkmenu_init (DbusmenuGtkMenu *self)
+{
+	DbusmenuGtkMenuPrivate * priv = DBUSMENU_GTKMENU_GET_PRIVATE(self);
+
+	priv->client = NULL;
+
+	priv->dbus_object = NULL;
+	priv->dbus_name = NULL;
+
+	return;
+}
+
+static void
+dbusmenu_gtkmenu_dispose (GObject *object)
+{
+	DbusmenuGtkMenuPrivate * priv = DBUSMENU_GTKMENU_GET_PRIVATE(object);
+
+	if (priv->client != NULL) {
+		g_object_unref(G_OBJECT(priv->client));
+		priv->client = NULL;
+	}
+
+	G_OBJECT_CLASS (dbusmenu_gtkmenu_parent_class)->dispose (object);
+	return;
+}
+
+static void
+dbusmenu_gtkmenu_finalize (GObject *object)
+{
+	DbusmenuGtkMenuPrivate * priv = DBUSMENU_GTKMENU_GET_PRIVATE(object);
+
+	g_free(priv->dbus_object);
+	priv->dbus_object = NULL;
+
+	g_free(priv->dbus_name);
+	priv->dbus_name = NULL;
+
+	G_OBJECT_CLASS (dbusmenu_gtkmenu_parent_class)->finalize (object);
+	return;
+}
+
+static void
+set_property (GObject * obj, guint id, const GValue * value, GParamSpec * pspec)
+{
+	DbusmenuGtkMenuPrivate * priv = DBUSMENU_GTKMENU_GET_PRIVATE(obj);
+
+	switch (id) {
+	case PROP_DBUSNAME:
+		priv->dbus_name = g_value_dup_string(value);
+		if (priv->dbus_name != NULL && priv->dbus_object != NULL) {
+			build_client(DBUSMENU_GTKMENU(obj));
+		}
+		break;
+	case PROP_DBUSOBJECT:
+		priv->dbus_object = g_value_dup_string(value);
+		if (priv->dbus_name != NULL && priv->dbus_object != NULL) {
+			build_client(DBUSMENU_GTKMENU(obj));
+		}
+		break;
+	default:
+		g_warning("Unknown property %d.", id);
+		return;
+	}
+
+	return;
+}
+
+static void
+get_property (GObject * obj, guint id, GValue * value, GParamSpec * pspec)
+{
+	DbusmenuGtkMenuPrivate * priv = DBUSMENU_GTKMENU_GET_PRIVATE(obj);
+
+	switch (id) {
+	case PROP_DBUSNAME:
+		g_value_set_string(value, priv->dbus_name);
+		break;
+	case PROP_DBUSOBJECT:
+		g_value_set_string(value, priv->dbus_object);
+		break;
+	default:
+		g_warning("Unknown property %d.", id);
+		return;
+	}
+
+	return;
+}
+
+/* Internal Functions */
+
+static void
+root_child_added (DbusmenuMenuitem * root, DbusmenuMenuitem * child, guint position, DbusmenuGtkMenu * menu)
+{
+	g_debug("Root new child");
+	DbusmenuGtkMenuPrivate * priv = DBUSMENU_GTKMENU_GET_PRIVATE(menu);
+	gtk_menu_shell_insert(GTK_MENU_SHELL(menu), GTK_WIDGET(dbusmenu_gtkclient_menuitem_get(priv->client, child)), position);
+	gtk_widget_show(GTK_WIDGET(menu));
+	return;
+}
+
+static void
+root_child_moved (DbusmenuMenuitem * root, DbusmenuMenuitem * child, guint newposition, guint oldposition, DbusmenuGtkMenu * menu)
+{
+	g_debug("Root child moved");
+	DbusmenuGtkMenuPrivate * priv = DBUSMENU_GTKMENU_GET_PRIVATE(menu);
+	gtk_menu_reorder_child(GTK_MENU(menu), GTK_WIDGET(dbusmenu_gtkclient_menuitem_get(priv->client, child)), newposition);
+	return;
+}
+
+static void
+root_child_delete (DbusmenuMenuitem * root, DbusmenuMenuitem * child, DbusmenuGtkMenu * menu)
+{
+	g_debug("Root child deleted");
+	if (g_list_length(dbusmenu_menuitem_get_children(root)) == 0) {
+		gtk_widget_hide(GTK_WIDGET(menu));
+	}
+	return;
+}
+
+static void
+root_changed (DbusmenuGtkClient * client, DbusmenuMenuitem * newroot, DbusmenuGtkMenu * menu) {
+	if (newroot == NULL) {
+		gtk_widget_hide(GTK_WIDGET(menu));
+		return;
+	}
+
+	g_signal_connect(G_OBJECT(newroot), DBUSMENU_MENUITEM_SIGNAL_CHILD_ADDED,   G_CALLBACK(root_child_added),  menu);
+	g_signal_connect(G_OBJECT(newroot), DBUSMENU_MENUITEM_SIGNAL_CHILD_MOVED,   G_CALLBACK(root_child_moved),  menu);
+	g_signal_connect(G_OBJECT(newroot), DBUSMENU_MENUITEM_SIGNAL_CHILD_REMOVED, G_CALLBACK(root_child_delete), menu);
+
+	GList * child = NULL;
+	guint count = 0;
+	for (child = dbusmenu_menuitem_get_children(newroot); child != NULL; child = g_list_next(child)) {
+		gtk_menu_append(menu, GTK_WIDGET(dbusmenu_gtkclient_menuitem_get(client, child->data)));
+		count++;
+	}
+
+	if (count > 0) {
+		gtk_widget_show(GTK_WIDGET(menu));
+	} else {
+		gtk_widget_hide(GTK_WIDGET(menu));
+	}
+
+	return;
+}
+
+/* Builds the client and connects all of the signals
+   up for it so that it's happy-happy */
+static void
+build_client (DbusmenuGtkMenu * self)
+{
+	DbusmenuGtkMenuPrivate * priv = DBUSMENU_GTKMENU_GET_PRIVATE(self);
+
+	if (priv->client == NULL) {
+		priv->client = dbusmenu_gtkclient_new(priv->dbus_name, priv->dbus_object);
+
+		/* Register for layout changes, this should come after the
+		   creation of the client pulls it from DBus */
+		g_signal_connect(G_OBJECT(priv->client), DBUSMENU_GTKCLIENT_SIGNAL_ROOT_CHANGED, G_CALLBACK(root_changed), self);
+	}
+
+	return;
+}
+
+/* Public API */
+
+/**
+	dbusmenu_gtkmenu_new:
+	@dbus_name: Name of the #DbusmenuServer on DBus
+	@dbus_name: Name of the object on the #DbusmenuServer
+
+	Creates a new #DbusmenuGtkMenu object and creates a #DbusmenuClient
+	that connects across DBus to a #DbusmenuServer.
+
+	Return value: A new #DbusmenuGtkMenu sync'd with a server
+*/
+DbusmenuGtkMenu *
+dbusmenu_gtkmenu_new (gchar * dbus_name, gchar * dbus_object)
+{
+	return g_object_new(DBUSMENU_GTKMENU_TYPE,
+	                    DBUSMENU_CLIENT_PROP_DBUS_OBJECT, dbus_object,
+	                    DBUSMENU_CLIENT_PROP_DBUS_NAME, dbus_name,
+	                    NULL);
+}
+