Upstream release 0.1.1

1 files changed, 130 insertions, 0 deletions

diff --git a/libdbusmenu-gtk/menuitem.c b/libdbusmenu-gtk/menuitem.c
new file mode 100644
index 0000000..deded06
--- /dev/null
+++ b/libdbusmenu-gtk/menuitem.c
@@ -0,0 +1,130 @@
+/*
+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/>
+*/
+
+#include "menuitem.h"
+
+/**
+	dbusmenu_menuitem_property_set_image:
+	@menuitem: The #DbusmenuMenuitem to set the property on.
+	@property: Name of the property to set.
+	@data: The image to place on the property.
+
+	This function takes the pixbuf that is stored in @data and
+	turns it into a base64 encoded PNG so that it can be placed
+	onto a standard #DbusmenuMenuitem property.
+
+	Return value: Whether the function was able to set the property
+		or not.
+*/
+gboolean
+dbusmenu_menuitem_property_set_image (DbusmenuMenuitem * menuitem, const gchar * property, const GdkPixbuf * data)
+{
+	g_return_val_if_fail(GDK_IS_PIXBUF(data), FALSE);
+	g_return_val_if_fail(DBUSMENU_IS_MENUITEM(menuitem), FALSE);
+	g_return_val_if_fail(property != NULL && property[0] != '\0', FALSE);
+
+	GError * error = NULL;
+	gchar * png_data;
+	gsize png_data_len;
+
+	if (!gdk_pixbuf_save_to_buffer((GdkPixbuf *)data, &png_data, &png_data_len, "png", &error, NULL)) {
+		if (error == NULL) {
+			g_warning("Unable to create pixbuf data stream: %d", png_data_len);
+		} else {
+			g_warning("Unable to create pixbuf data stream: %s", error->message);
+			g_error_free(error);
+			error = NULL;
+		}
+
+		return FALSE;
+	}
+
+	gchar * prop_str = g_base64_encode((guchar *)png_data, png_data_len);
+	gboolean propreturn = FALSE;
+	propreturn = dbusmenu_menuitem_property_set(menuitem, property, prop_str);
+
+	g_free(prop_str);
+	g_free(png_data);
+
+	return propreturn;
+}
+
+/**
+	dbusmenu_menuitem_property_get_image:
+	@menuitem: The #DbusmenuMenuite to look for the property on
+	@property: The name of the property to look for.
+
+	This function looks on the menu item for a property by the
+	name of @property.  If one exists it tries to turn it into
+	a #GdkPixbuf.  It assumes that the property is a base64 encoded
+	PNG file like the one created by #dbusmenu_menuite_property_set_image.
+
+	Return value: A pixbuf or #NULL to signal error.
+*/
+GdkPixbuf *
+dbusmenu_menuitem_property_get_image (DbusmenuMenuitem * menuitem, const gchar * property)
+{
+	g_return_val_if_fail(DBUSMENU_IS_MENUITEM(menuitem), NULL);
+	g_return_val_if_fail(property != NULL && property[0] != '\0', NULL);
+
+	const gchar * value = dbusmenu_menuitem_property_get(menuitem, property);
+
+	/* There is no icon */
+	if (value == NULL || value[0] == '\0') {
+		return NULL;
+	}
+
+	gsize length = 0;
+	guchar * icondata = g_base64_decode(value, &length);
+	
+	GInputStream * input = g_memory_input_stream_new_from_data(icondata, length, NULL);
+	if (input == NULL) {
+		g_warning("Cound not create input stream from icon property data");
+		g_free(icondata);
+		return NULL;
+	}
+
+	GError * error = NULL;
+	GdkPixbuf * icon = gdk_pixbuf_new_from_stream(input, NULL, &error);
+
+	if (error != NULL) {
+		g_warning("Unable to build Pixbuf from icon data: %s", error->message);
+		g_error_free(error);
+	}
+
+	error = NULL;
+	g_input_stream_close(input, NULL, &error);
+	if (error != NULL) {
+		g_warning("Unable to close input stream: %s", error->message);
+		g_error_free(error);
+	}
+	g_free(icondata);
+
+	return icon;
+}
+