mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 12:11:13 +00:00
91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/* GStreamer Navigation
|
|
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
*
|
|
* 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 <gst/navigation/navigation.h>
|
|
|
|
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;
|
|
}
|
|
|
|
/* The interface implementer should make sure that the object can handle
|
|
* the event. */
|
|
void
|
|
gst_navigation_send_event (GstNavigation * navigation, GstStructure * structure)
|
|
{
|
|
GstNavigationInterface *iface = GST_NAVIGATION_GET_IFACE (navigation);
|
|
|
|
if (iface->send_event) {
|
|
iface->send_event (navigation, structure);
|
|
}
|
|
}
|
|
|
|
void
|
|
gst_navigation_send_key_event (GstNavigation * navigation, const char *event,
|
|
const char *key)
|
|
{
|
|
gst_navigation_send_event (navigation,
|
|
gst_structure_new ("application/x-gst-navigation", "event", G_TYPE_STRING,
|
|
event, "key", G_TYPE_STRING, key, NULL));
|
|
}
|
|
|
|
void
|
|
gst_navigation_send_mouse_event (GstNavigation * navigation, const char *event,
|
|
int button, double x, double y)
|
|
{
|
|
gst_navigation_send_event (navigation,
|
|
gst_structure_new ("application/x-gst-navigation", "event", G_TYPE_STRING,
|
|
event, "button", G_TYPE_INT, button, "pointer_x", G_TYPE_DOUBLE, x,
|
|
"pointer_y", G_TYPE_DOUBLE, y, NULL));
|
|
}
|