static gboolean
mnb_launcher_button_key_release_event (ClutterActor *actor,
ClutterKeyEvent *event)
{
if (event->keyval == CLUTTER_KEY_Return ||
event->keyval == CLUTTER_KEY_KP_Enter ||
event->keyval == CLUTTER_KEY_ISO_Enter)
{
MnbLauncherButton *self = MNB_LAUNCHER_BUTTON (actor);
if (!self->priv->is_pressed)
return FALSE;
clutter_ungrab_keyboard ();
self->priv->is_pressed = FALSE;
g_signal_emit (self, _signals[ACTIVATED], 0);
mx_stylable_set_style_pseudo_class (MX_STYLABLE (self), NULL);
mx_widget_hide_tooltip (MX_WIDGET (self));
return TRUE;
}
return FALSE;
}
static gboolean
cyan_press_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
if (clutter_get_keyboard_grab () != NULL)
clutter_ungrab_keyboard ();
else
clutter_grab_keyboard (actor);
return FALSE;
}
/* Accept focus handles setting hover pseudo style class and leave events
* handle unsetting the hover pseudo style class
*/
static gboolean
_leave_event_cb (ClutterActor *actor,
ClutterCrossingEvent *event,
gpointer data)
{
MnbLauncherButton *self = MNB_LAUNCHER_BUTTON (actor);
mx_stylable_set_style_pseudo_class (MX_STYLABLE (self), NULL);
if (self->priv->is_pressed)
{
clutter_ungrab_pointer ();
clutter_ungrab_keyboard ();
self->priv->is_pressed = FALSE;
}
return FALSE;
}
//IoObject *IoClutter_ungrabKeyboard(IoClutter *self, IoObject *l, IoMessage *m) {
IO_METHOD(IoClutter, ungrabKeyboard) {
clutter_ungrab_keyboard();
return self;
}
int
main (int argc, char *argv[])
{
GLenum err = 0;
#ifdef WIN32
HGLRC clutter_gl_context = 0;
HDC clutter_dc = 0;
#else
Display *clutter_display = NULL;
Window clutter_win = 0;
GLXContext clutter_gl_context = NULL;
#endif
GstPipeline *pipeline = NULL;
GstBus *bus = NULL;
GstElement *glupload = NULL;
GstState state = 0;
ClutterActor *stage = NULL;
ClutterActor *clutter_texture = NULL;
GAsyncQueue *queue_input_buf = NULL;
GAsyncQueue *queue_output_buf = NULL;
GstElement *fakesink = NULL;
/* init gstreamer then clutter */
gst_init (&argc, &argv);
clutter_threads_init ();
clutter_init (&argc, &argv);
clutter_threads_enter ();
g_print ("clutter version: %s\n", CLUTTER_VERSION_S);
/* init glew */
err = glewInit ();
if (err != GLEW_OK)
g_debug ("failed to init GLEW: %s", glewGetErrorString (err));
/* avoid to dispatch unecesary events */
clutter_ungrab_keyboard ();
clutter_ungrab_pointer ();
/* retrieve and turn off clutter opengl context */
stage = clutter_stage_get_default ();
/* retrieve and turn off clutter opengl context */
#ifdef WIN32
clutter_gl_context = wglGetCurrentContext ();
clutter_dc = wglGetCurrentDC ();
wglMakeCurrent (0, 0);
#else
clutter_display = clutter_x11_get_default_display ();
clutter_win = clutter_x11_get_stage_window (CLUTTER_STAGE (stage));
clutter_gl_context = glXGetCurrentContext ();
glXMakeCurrent (clutter_display, None, 0);
#endif
/* setup gstreamer pipeline */
pipeline =
GST_PIPELINE (gst_parse_launch
("videotestsrc ! video/x-raw-yuv, width=320, height=240, framerate=(fraction)30/1 ! "
"glupload ! gleffects effect=5 ! glfiltercube ! fakesink sync=1",
NULL));
/* setup bus */
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message::error", G_CALLBACK (end_stream_cb), NULL);
g_signal_connect (bus, "message::warning", G_CALLBACK (end_stream_cb), NULL);
g_signal_connect (bus, "message::eos", G_CALLBACK (end_stream_cb), NULL);
gst_object_unref (bus);
/* clutter_gl_context is an external OpenGL context with which gst-plugins-gl want to share textures */
glupload = gst_bin_get_by_name (GST_BIN (pipeline), "glupload0");
g_object_set (G_OBJECT (glupload), "external-opengl-context",
clutter_gl_context, NULL);
g_object_unref (glupload);
/* NULL to PAUSED state pipeline to make sure the gst opengl context is created and
* shared with the clutter one */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED);
state = GST_STATE_PAUSED;
if (gst_element_get_state (GST_ELEMENT (pipeline), &state, NULL,
GST_CLOCK_TIME_NONE) != GST_STATE_CHANGE_SUCCESS) {
g_debug ("failed to pause pipeline\n");
return -1;
}
/* turn on back clutter opengl context */
#ifdef WIN32
wglMakeCurrent (clutter_dc, clutter_gl_context);
#else
glXMakeCurrent (clutter_display, clutter_win, clutter_gl_context);
#endif
/* clutter stage */
clutter_actor_set_size (stage, 640, 480);
clutter_actor_set_position (stage, 0, 0);
clutter_stage_set_title (CLUTTER_STAGE (stage), "clutter and gst-plugins-gl");
clutter_texture = setup_stage (CLUTTER_STAGE (stage));
/* append a gst-gl texture to this queue when you do not need it no more */
queue_input_buf = g_async_queue_new ();
queue_output_buf = g_async_queue_new ();
g_object_set_data (G_OBJECT (clutter_texture), "queue_input_buf",
queue_input_buf);
g_object_set_data (G_OBJECT (clutter_texture), "queue_output_buf",
queue_output_buf);
/* set a callback to retrieve the gst gl textures */
fakesink = gst_bin_get_by_name (GST_BIN (pipeline), "fakesink0");
g_object_set (G_OBJECT (fakesink), "signal-handoffs", TRUE, NULL);
g_signal_connect (fakesink, "handoff", G_CALLBACK (on_gst_buffer),
clutter_texture);
g_object_unref (fakesink);
/* play gst */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
/* main loop */
clutter_main ();
/* before to deinitialize the gst-gl-opengl context,
* no shared context (here the clutter one) must be current
*/
#ifdef WIN32
wglMakeCurrent (0, 0);
#else
glXMakeCurrent (clutter_display, None, 0);
#endif
clutter_threads_leave ();
/* stop and clean up the pipeline */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
g_object_unref (pipeline);
/* make sure there is no pending gst gl buffer in the communication queues
* between clutter and gst-gl
*/
while (g_async_queue_length (queue_input_buf) > 0) {
GstBuffer *buf = g_async_queue_pop (queue_input_buf);
gst_buffer_unref (buf);
}
while (g_async_queue_length (queue_output_buf) > 0) {
GstBuffer *buf = g_async_queue_pop (queue_output_buf);
gst_buffer_unref (buf);
}
return 0;
}
