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91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/* GStreamer Navigation
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* navigation.c: navigation design virtual class function wrappers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/navigation/navigation.h>
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static void gst_navigation_class_init (GstNavigationInterface * iface);
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GType
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gst_navigation_get_type (void)
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{
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static GType gst_navigation_type = 0;
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if (!gst_navigation_type) {
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static const GTypeInfo gst_navigation_info = {
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sizeof (GstNavigationInterface),
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(GBaseInitFunc) gst_navigation_class_init,
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NULL,
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NULL,
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NULL,
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NULL,
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0,
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0,
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NULL,
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};
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gst_navigation_type = g_type_register_static (G_TYPE_INTERFACE,
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"GstNavigation", &gst_navigation_info, 0);
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}
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return gst_navigation_type;
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}
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static void
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gst_navigation_class_init (GstNavigationInterface * iface)
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{
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/* default virtual functions */
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iface->send_event = NULL;
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}
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/* The interface implementer should make sure that the object can handle
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* the event. */
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void
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gst_navigation_send_event (GstNavigation * navigation, GstStructure * structure)
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{
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GstNavigationInterface *iface = GST_NAVIGATION_GET_IFACE (navigation);
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if (iface->send_event) {
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iface->send_event (navigation, structure);
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}
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}
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void
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gst_navigation_send_key_event (GstNavigation * navigation, const char *event,
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const char *key)
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{
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gst_navigation_send_event (navigation,
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gst_structure_new ("application/x-gst-navigation", "event", G_TYPE_STRING,
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event, "key", G_TYPE_STRING, key, NULL));
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}
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void
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gst_navigation_send_mouse_event (GstNavigation * navigation, const char *event,
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int button, double x, double y)
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{
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gst_navigation_send_event (navigation,
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gst_structure_new ("application/x-gst-navigation", "event", G_TYPE_STRING,
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event, "button", G_TYPE_INT, button, "pointer_x", G_TYPE_DOUBLE, x,
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"pointer_y", G_TYPE_DOUBLE, y, NULL));
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}
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