/* GStreamer Navigation * Copyright (C) 2003 Ronald Bultje * * navigation.c: navigation design virtual class function wrappers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include static void gst_navigation_class_init (GstNavigationInterface *iface); GType gst_navigation_get_type (void) { static GType gst_navigation_type = 0; if (!gst_navigation_type) { static const GTypeInfo gst_navigation_info = { sizeof (GstNavigationInterface), (GBaseInitFunc) gst_navigation_class_init, NULL, NULL, NULL, NULL, 0, 0, NULL, }; gst_navigation_type = g_type_register_static (G_TYPE_INTERFACE, "GstNavigation", &gst_navigation_info, 0); } return gst_navigation_type; } static void gst_navigation_class_init (GstNavigationInterface *iface) { /* default virtual functions */ iface->send_event = NULL; } void gst_navigation_send_event (GstNavigation *navigation, GstCaps *caps) { GstNavigationInterface *iface = GST_NAVIGATION_GET_IFACE (navigation); if (iface->send_event) { iface->send_event (navigation, caps); } } void gst_navigation_send_key_event (GstNavigation *navigation, const char *key) { gst_navigation_send_event (navigation, GST_CAPS_NEW ("key_event", "application/x-gst-navigation", "key", GST_PROPS_STRING (key))); } void gst_navigation_send_mouse_event (GstNavigation *navigation, double x, double y) { gst_navigation_send_event (navigation, GST_CAPS_NEW ("mouse_event", "application/x-gst-navigation", "pointer_x", GST_PROPS_FLOAT (x), "pointer_y", GST_PROPS_FLOAT (y))); }