static void
art_cb (RBExtDBKey *key, const char *filename, GValue *data, MxFrame *frame)
{
ClutterActor *image;
GdkPixbuf *pixbuf;
if (data == NULL || G_VALUE_HOLDS (data, GDK_TYPE_PIXBUF) == FALSE) {
return;
}
clutter_threads_enter ();
image = gtk_clutter_texture_new ();
pixbuf = GDK_PIXBUF (g_value_get_object (data));
gtk_clutter_texture_set_from_pixbuf (GTK_CLUTTER_TEXTURE (image), pixbuf, NULL);
if (clutter_actor_get_height (image) > MAX_IMAGE_HEIGHT) {
clutter_actor_set_height (image, MAX_IMAGE_HEIGHT);
clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (image), TRUE);
}
if (clutter_actor_get_width (image) > MAX_IMAGE_HEIGHT) {
clutter_actor_set_width (image, MAX_IMAGE_HEIGHT);
}
mx_bin_set_child (MX_BIN (frame), image);
clutter_actor_show_all (CLUTTER_ACTOR (frame));
clutter_threads_leave ();
}
static void
prev_clicked_cb (MxButton *button, RBShellPlayer *player)
{
clutter_threads_leave ();
rb_shell_player_do_previous (player, NULL);
clutter_threads_enter ();
}
static void
playpause_clicked_cb (MxButton *button, RBShellPlayer *player)
{
clutter_threads_leave ();
rb_shell_player_playpause (player, FALSE, NULL);
clutter_threads_enter ();
}
static void
update_track_info_lock (MxLabel *label, RhythmDB *db, RhythmDBEntry *entry, const char *streaming_title)
{
clutter_threads_enter ();
update_track_info (label, db, entry, streaming_title);
clutter_threads_leave ();
}
static void
elapsed_changed_cb (RBShellPlayer *player, guint elapsed, ClutterActor *label)
{
clutter_threads_enter ();
update_elapsed (label, player, elapsed);
clutter_threads_leave ();
}
static gboolean
clutter_event_source_wayland_dispatch (GSource *base,
GSourceFunc callback,
gpointer data)
{
ClutterEventSourceWayland *source = (ClutterEventSourceWayland *) base;
ClutterEvent *event;
clutter_threads_enter ();
if (source->pfd.revents)
{
wl_display_iterate (source->display, WL_DISPLAY_READABLE);
source->pfd.revents = 0;
}
event = clutter_event_get ();
if (event)
{
/* forward the event into clutter for emission etc. */
clutter_do_event (event);
clutter_event_free (event);
}
clutter_threads_leave ();
return TRUE;
}
static gboolean
clutter_event_dispatch (GSource *source,
GSourceFunc callback,
gpointer user_data)
{
ClutterBackend *backend = ((ClutterEventSource *) source)->backend;
ClutterEvent *event;
clutter_threads_enter ();
/* Grab the event(s), translate and figure out double click.
* The push onto queue (stack) if valid.
*/
events_queue (backend);
/* Pop an event off the queue if any */
event = clutter_event_get ();
if (event)
{
/* forward the event into clutter for emission etc. */
clutter_do_event (event);
clutter_event_free (event);
}
clutter_threads_leave ();
return TRUE;
}
static gboolean
clutter_event_dispatch (GSource *source,
GSourceFunc callback,
gpointer user_data)
{
ClutterEvent *event;
MSG msg;
clutter_threads_enter ();
/* Process Windows messages until we've got one that translates into
the clutter event queue */
while (!clutter_events_pending () && PeekMessageW (&msg, NULL,
0, 0, PM_REMOVE))
DispatchMessageW (&msg);
/* Pop an event off the queue if any */
if ((event = clutter_event_get ()))
{
/* forward the event into clutter for emission etc. */
clutter_do_event (event);
clutter_event_free (event);
}
clutter_threads_leave ();
return TRUE;
}
/**
* clutter_x11_handle_event:
* @xevent: pointer to XEvent structure
*
* This function processes a single X event; it can be used to hook
* into external X11 event processing (for example, a GDK filter
* function).
*
* If clutter_x11_disable_event_retrieval() has been called, you must
* let this function process events to update Clutter's internal state.
*
* Return value: #ClutterX11FilterReturn. %CLUTTER_X11_FILTER_REMOVE
* indicates that Clutter has internally handled the event and the
* caller should do no further processing. %CLUTTER_X11_FILTER_CONTINUE
* indicates that Clutter is either not interested in the event,
* or has used the event to update internal state without taking
* any exclusive action. %CLUTTER_X11_FILTER_TRANSLATE will not
* occur.
*
* Since: 0.8
*/
ClutterX11FilterReturn
clutter_x11_handle_event (XEvent *xevent)
{
ClutterX11FilterReturn result;
ClutterBackend *backend;
ClutterEvent *event;
gint spin = 1;
/* The return values here are someone approximate; we return
* CLUTTER_X11_FILTER_REMOVE if a clutter event is
* generated for the event. This mostly, but not entirely,
* corresponds to whether other event processing should be
* excluded. As long as the stage window is not shared with another
* toolkit it should be safe, and never return
* %CLUTTER_X11_FILTER_REMOVE when more processing is needed.
*/
result = CLUTTER_X11_FILTER_CONTINUE;
clutter_threads_enter ();
backend = clutter_get_default_backend ();
event = clutter_event_new (CLUTTER_NOTHING);
if (_clutter_backend_translate_event (backend, xevent, event))
{
_clutter_event_push (event, FALSE);
result = CLUTTER_X11_FILTER_REMOVE;
}
else
{
clutter_event_free (event);
goto out;
}
/*
* Motion events can generate synthetic enter and leave events, so if we
* are processing a motion event, we need to spin the event loop at least
* two extra times to pump the enter/leave events through (otherwise they
* just get pushed down the queue and never processed).
*/
if (event->type == CLUTTER_MOTION)
spin += 2;
while (spin > 0 && (event = clutter_event_get ()))
{
/* forward the event into clutter for emission etc. */
clutter_do_event (event);
clutter_event_free (event);
--spin;
}
out:
clutter_threads_leave ();
return result;
}
static void
playing_changed_cb (RBShellPlayer *player, gboolean playing, MxButton *button)
{
clutter_threads_enter ();
update_playing (button, playing);
clutter_threads_leave ();
}
static void on_stage_destroyed(gpointer *user_data)
{
TempiClutterStageNode *self = (TempiClutterStageNode *) user_data;
(void) self;
clutter_threads_enter();
clutter_main_quit();
clutter_threads_leave();
}
static gboolean
stage_key_release_cb (ClutterActor *stage, ClutterEvent *event, RBVisualizerPage *page)
{
if (event->key.keyval == CLUTTER_KEY_Escape) {
clutter_threads_leave ();
stop_fullscreen (page);
clutter_threads_enter ();
}
return FALSE;
}
static void
cover_art_entry_changed_cb (RBShellPlayer *player, RhythmDBEntry *entry, MxFrame *frame)
{
clutter_threads_enter ();
set_blank_image (frame);
clutter_actor_show_all (CLUTTER_ACTOR (frame));
clutter_threads_leave ();
request_cover_art (frame, entry);
}
static gboolean
clutter_clock_check (GSource *source)
{
ClutterClockSource *clock_source = (ClutterClockSource *) source;
ClutterMasterClock *master_clock = clock_source->master_clock;
int delay;
clutter_threads_enter ();
delay = master_clock_next_frame_delay (master_clock);
clutter_threads_leave ();
return delay == 0;
}
static gboolean
stage_button_press_cb (ClutterActor *stage, ClutterEvent *event, RBVisualizerPage *page)
{
if (event->button.button == 1 && event->button.click_count == 2) {
clutter_threads_leave ();
toggle_fullscreen (page);
clutter_threads_enter ();
} else if (event->button.button == 3) {
rb_display_page_show_popup (RB_DISPLAY_PAGE (page));
}
return FALSE;
}
static gboolean
clutter_event_source_wayland_check (GSource *base)
{
ClutterEventSourceWayland *source = (ClutterEventSourceWayland *) base;
gboolean retval;
clutter_threads_enter ();
retval = clutter_events_pending () || source->pfd.revents;
clutter_threads_leave ();
return retval;
}
static gboolean
clutter_event_prepare (GSource *source,
gint *timeout)
{
gboolean retval;
clutter_threads_enter ();
*timeout = -1;
retval = (clutter_events_pending () || check_msg_pending ());
clutter_threads_leave ();
return retval;
}
void
rb_visualizer_fullscreen_add_widgets (GtkWidget *window, ClutterActor *stage, RBShell *shell)
{
ClutterActor *track_info;
ClutterActor *controls;
GdkScreen *screen;
GdkRectangle geom;
int x;
int y;
int monitor;
clutter_threads_enter ();
/* get geometry for the monitor we're going to appear on */
screen = gtk_widget_get_screen (window);
monitor = gdk_screen_get_monitor_at_window (screen, gtk_widget_get_window (window));
gdk_screen_get_monitor_geometry (screen, monitor, &geom);
/* create and place the track info display */
track_info = create_track_info (shell);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), track_info);
g_object_set_data (G_OBJECT (stage), TRACK_INFO_DATA, track_info);
/* XXX rtl? */
clutter_actor_set_position (track_info, FULLSCREEN_BORDER_WIDTH, FULLSCREEN_BORDER_WIDTH);
/* create and place the playback controls */
controls = create_controls (shell);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), controls);
g_object_set_data (G_OBJECT (stage), CONTROLS_DATA, controls);
/* put this bit somewhere near the bottom */
/* XXX rtl */
x = FULLSCREEN_BORDER_WIDTH;
y = geom.height - (clutter_actor_get_height (controls) + FULLSCREEN_BORDER_WIDTH);
clutter_actor_set_position (controls, x, y);
/* hide mouse cursor when not moving, hide playback controls when mouse not moving
* and outside them
*/
g_signal_connect_object (stage, "motion-event", G_CALLBACK (stage_motion_event_cb), controls, 0);
g_signal_connect (controls, "leave-event", G_CALLBACK (controls_leave_event_cb), NULL);
g_signal_connect (controls, "enter-event", G_CALLBACK (controls_enter_event_cb), NULL);
start_hide_timer (controls);
clutter_threads_leave ();
}
static gboolean
clutter_clock_prepare (GSource *source,
gint *timeout)
{
ClutterClockSource *clock_source = (ClutterClockSource *) source;
ClutterMasterClock *master_clock = clock_source->master_clock;
int delay;
clutter_threads_enter ();
delay = master_clock_next_frame_delay (master_clock);
clutter_threads_leave ();
*timeout = delay;
return delay == 0;
}
static gboolean
clutter_event_prepare (GSource *source,
gint *timeout)
{
ClutterBackend *backend = ((ClutterEventSource *) source)->backend;
gboolean retval;
clutter_threads_enter ();
*timeout = -1;
retval = (clutter_events_pending () || check_xpending (backend));
clutter_threads_leave ();
return retval;
}
static gboolean
clutter_event_check (GSource *source)
{
ClutterEventSource *event_source = (ClutterEventSource *) source;
gboolean retval;
clutter_threads_enter ();
if ((event_source->event_poll_fd.revents & G_IO_IN))
retval = (clutter_events_pending () || check_msg_pending ());
else
retval = FALSE;
clutter_threads_leave ();
return retval;
}
static gboolean
clutter_event_source_wayland_prepare (GSource *base, gint *timeout)
{
ClutterEventSourceWayland *source = (ClutterEventSourceWayland *) base;
gboolean retval;
clutter_threads_enter ();
*timeout = -1;
/* We have to add/remove the GPollFD if we want to update our
* poll event mask dynamically. Instead, let's just flush all
* writes on idle */
wl_display_flush (source->display);
retval = clutter_events_pending ();
clutter_threads_leave ();
return retval;
}
// starts the thread
void Worker::operator()()
{
StageManager::ptr manager;
g_thread_init(NULL);
clutter_threads_init();
int argc = 0;
char **argv = NULL;
if (clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
{
std::cerr << __FUNCTION__ << "(): Error calling clutter_init()\n";
return;
}
clutter_threads_enter();
manager->initStage();
clutter_main();
clutter_threads_leave();
return; // done with this thread
}
int
main (int argc, char *argv[])
{
ClutterActor *stage;
ClutterActor *rect;
ClutterColor stage_color = { 0xcc, 0xcc, 0xcc, 0xff };
ClutterColor rect_color = { 0xee, 0x55, 0x55, 0x99 };
ClutterColor progress_color = { 0x55, 0xee, 0x55, 0xbb };
ClutterBehaviour *r_behaviour, *p_behaviour;
const ClutterKnot knots[] = {
{ 75, 150 },
{ 400, 150 }
};
g_thread_init (NULL);
clutter_threads_init ();
clutter_init (&argc, &argv);
stage = clutter_stage_get_default ();
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
clutter_actor_set_size (stage, 600, 300);
count_label = clutter_label_new_with_text ("Mono 12", "Counter");
clutter_actor_set_position (count_label, 350, 50);
help_label = clutter_label_new_with_text ("Mono 12", "Press 's' to start");
clutter_actor_set_position (help_label, 50, 50);
rect = clutter_rectangle_new_with_color (&rect_color);
clutter_actor_set_position (rect, 75, 150);
clutter_actor_set_size (rect, 50, 50);
clutter_actor_set_anchor_point (rect, 25, 25);
progress_rect = clutter_rectangle_new_with_color (&progress_color);
clutter_actor_set_position (progress_rect, 50, 225);
clutter_actor_set_size (progress_rect, 350, 50);
clutter_container_add (CLUTTER_CONTAINER (stage),
count_label, help_label,
rect, progress_rect,
NULL);
timeline = clutter_timeline_new (150, 50);
clutter_timeline_set_loop (timeline, TRUE);
r_behaviour = clutter_behaviour_rotate_new (clutter_alpha_new_full (timeline,
CLUTTER_ALPHA_RAMP_INC,
NULL, NULL),
CLUTTER_Z_AXIS,
CLUTTER_ROTATE_CW,
0.0, 360.0);
clutter_behaviour_apply (r_behaviour, rect);
p_behaviour = clutter_behaviour_path_new (clutter_alpha_new_full (timeline,
CLUTTER_ALPHA_SINE,
NULL, NULL),
knots,
G_N_ELEMENTS (knots));
clutter_behaviour_apply (p_behaviour, rect);
g_signal_connect (stage,
"button-press-event", G_CALLBACK (clutter_main_quit),
NULL);
g_signal_connect (stage,
"key-press-event", G_CALLBACK (on_key_press_event),
NULL);
clutter_actor_show (stage);
clutter_threads_enter ();
clutter_main ();
clutter_threads_leave ();
g_object_unref (p_behaviour);
g_object_unref (r_behaviour);
g_object_unref (timeline);
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
ClutterActor *stage;
WebKitWebView *web_view;
ClutterConstraint *width_binding;
ClutterConstraint *height_binding;
ClutterConstraint *web_view_height_binding;
gfloat stageWidth, stageHeight;
ClutterActorBox stageAllocation;
ClutterLayoutManager *mainLayout;
ClutterActor *mainLayoutContainer;
ClutterLayoutManager *toolbarLayout;
ClutterActor *toolbarContainer;
ClutterLayoutManager *toolbarBinLayout;
ClutterActor *toolbarBinContainer;
ClutterActor *toolbarBgr;
ClutterActor *statusBar;
ClutterActor *backFwdBtns;
ClutterActor *backBtn;
ClutterActor *fwdBtn;
ClutterActor *uriGroup;
ClutterActor *uriBgr;
ClutterActor *uriText;
ClutterActor *spacer;
GError *error = NULL;
ClutterColor whiteColor = { 255, 255, 255, 255 };
ClutterColor blackColor = { 0, 0, 0, 255 };
ClutterColor grayColor = { 200, 200, 200, 255 };
ClutterColor transparentColor = { 0, 0, 0, 0 };
gchar *toolbarBgrPath = clutter_launcher_file_path("toolbar_bgr.png");
gchar *backBtnPath = clutter_launcher_file_path("back_btn.png");
gchar *fwdBtnPath = clutter_launcher_file_path("fwd_btn.png");
g_thread_init(NULL);
clutter_threads_init();
clutter_init(&argc, &argv);
stage = clutter_stage_get_default();
clutter_actor_set_size(stage, 1024, 768);
clutter_stage_set_color(CLUTTER_STAGE(stage), &stage_color);
g_signal_connect (stage, "destroy", G_CALLBACK(clutter_main_quit), NULL);
/* make the stage resizable */
clutter_stage_set_user_resizable(CLUTTER_STAGE(stage), TRUE);
clutter_actor_show(stage);
mainLayout = clutter_box_layout_new();
clutter_box_layout_set_vertical(CLUTTER_BOX_LAYOUT(mainLayout), TRUE);
clutter_actor_get_allocation_box(stage, &stageAllocation);
stageWidth = stageAllocation.x2 - stageAllocation.x1;
stageHeight = stageAllocation.y2 - stageAllocation.y1;
web_view = WEBKIT_WEB_VIEW(webkit_web_view_new((guint)stageWidth, (guint)stageHeight - (toolbarHeight + statusBarHeight)));
g_object_set(web_view, "reactive", TRUE, NULL);
mainLayoutContainer = clutter_box_new(mainLayout);
clutter_actor_set_size(mainLayoutContainer, stageWidth, stageHeight);
width_binding = clutter_bind_constraint_new(stage, CLUTTER_BIND_WIDTH, 0);
height_binding = clutter_bind_constraint_new(stage, CLUTTER_BIND_HEIGHT, 0);
/* web_view_height_binding = clutter_bind_constraint_new(stage, CLUTTER_BIND_HEIGHT, -(toolbarHeight + statusBarHeight));
*/
clutter_actor_add_constraint(mainLayoutContainer, width_binding);
clutter_actor_add_constraint(mainLayoutContainer, height_binding);
/* clutter_actor_add_constraint(CLUTTER_ACTOR(web_view), web_view_height_binding);
*/
toolbarBinLayout = clutter_bin_layout_new(CLUTTER_BIN_ALIGNMENT_FILL, CLUTTER_BIN_ALIGNMENT_CENTER);
toolbarBinContainer = clutter_box_new(toolbarBinLayout);
toolbarBgr = clutter_texture_new_from_file(toolbarBgrPath, &error);
if (toolbarBgr == NULL) {
fprintf(stderr, "Can't load file: %s. Aborting...\n", toolbarBgrPath);
exit(1);
}
clutter_actor_set_height(toolbarBgr, toolbarHeight);
clutter_texture_set_repeat(CLUTTER_TEXTURE(toolbarBgr), TRUE, FALSE);
clutter_box_pack(CLUTTER_BOX(toolbarBinContainer), toolbarBgr, NULL, NULL);
toolbarLayout = clutter_box_layout_new();
clutter_box_layout_set_vertical(CLUTTER_BOX_LAYOUT(toolbarLayout), FALSE);
clutter_box_layout_set_spacing(CLUTTER_BOX_LAYOUT(toolbarLayout), 16);
toolbarContainer = clutter_box_new(toolbarLayout);
spacer = clutter_rectangle_new_with_color(&transparentColor);
clutter_actor_set_size(spacer, 1, 1);
clutter_box_pack(CLUTTER_BOX(toolbarContainer), spacer, NULL, NULL);
backFwdBtns = clutter_group_new();
backBtn = clutter_texture_new_from_file(backBtnPath, &error);
if (backBtn == NULL) {
fprintf(stderr, "Can't load file: %s. Aborting...\n", backBtnPath);
exit(1);
}
clutter_actor_set_reactive(backBtn, TRUE);
/* connect the release event */
g_signal_connect (backBtn,
"button-release-event",
G_CALLBACK (on_back_release_cb),
web_view);
fwdBtn = clutter_texture_new_from_file(fwdBtnPath, &error);
if (fwdBtn == NULL) {
fprintf(stderr, "Can't load file: %s. Aborting...\n", fwdBtnPath);
exit(1);
}
clutter_actor_set_reactive(fwdBtn, TRUE);
/* connect the release event */
g_signal_connect (fwdBtn,
"button-release-event",
G_CALLBACK (on_fwd_release_cb),
web_view);
clutter_actor_set_position(fwdBtn,
clutter_actor_get_width(backBtn), 0);
clutter_container_add(CLUTTER_CONTAINER(backFwdBtns), backBtn, fwdBtn, NULL);
clutter_box_pack(CLUTTER_BOX(toolbarContainer), backFwdBtns, NULL, NULL);
uriGroup = clutter_group_new();
uriBgr = clutter_rectangle_new_with_color(&whiteColor);
clutter_rectangle_set_border_color(CLUTTER_RECTANGLE(uriBgr), &blackColor);
clutter_rectangle_set_border_width(CLUTTER_RECTANGLE(uriBgr), 1);
clutter_actor_set_size(uriBgr, 400, 25);
uriText = clutter_text_new_full("Helvetica 11px", "http://www.google.com", &blackColor);
clutter_text_set_editable(CLUTTER_TEXT(uriText), TRUE);
clutter_text_set_single_line_mode(CLUTTER_TEXT(uriText), TRUE);
clutter_actor_set_position(uriText, 5, 7);
clutter_actor_set_size(uriText, 390, 17);
clutter_actor_set_reactive(uriText, TRUE);
g_signal_connect(uriText, "activate", G_CALLBACK(on_uri_activate_cb), web_view);
clutter_container_add(CLUTTER_CONTAINER(uriGroup), uriBgr, uriText, NULL);
clutter_box_pack(CLUTTER_BOX(toolbarContainer), uriGroup, NULL, NULL);
clutter_box_pack(CLUTTER_BOX(toolbarBinContainer), toolbarContainer, NULL, NULL);
clutter_box_pack(CLUTTER_BOX(mainLayoutContainer), toolbarBinContainer,
"y-align", CLUTTER_BOX_ALIGNMENT_START, NULL);
clutter_box_layout_set_expand(CLUTTER_BOX_LAYOUT(mainLayout), toolbarBinContainer, TRUE);
clutter_box_layout_set_fill(CLUTTER_BOX_LAYOUT(mainLayout), toolbarBinContainer, TRUE, FALSE);
statusBar = clutter_rectangle_new_with_color(&grayColor);
clutter_actor_set_height(statusBar, statusBarHeight);
clutter_box_pack(CLUTTER_BOX(mainLayoutContainer), statusBar,
"y-align", CLUTTER_BOX_ALIGNMENT_END, NULL);
clutter_box_layout_set_expand(CLUTTER_BOX_LAYOUT(mainLayout), statusBar, TRUE);
clutter_box_layout_set_fill(CLUTTER_BOX_LAYOUT(mainLayout), statusBar, TRUE, FALSE);
clutter_box_pack_after(CLUTTER_BOX(mainLayoutContainer), CLUTTER_ACTOR(web_view), toolbarBinContainer,
"y-align", CLUTTER_BOX_ALIGNMENT_START, NULL);
clutter_box_layout_set_expand(CLUTTER_BOX_LAYOUT(mainLayout), CLUTTER_ACTOR(web_view), TRUE);
clutter_box_layout_set_fill(CLUTTER_BOX_LAYOUT(mainLayout), CLUTTER_ACTOR(web_view), TRUE, TRUE);
clutter_container_add(CLUTTER_CONTAINER(stage), mainLayoutContainer, NULL);
g_signal_connect(web_view, "webkit-load-finished", G_CALLBACK(load_finished_cb), web_view);
g_signal_connect(web_view, "notify::progress", G_CALLBACK (notify_progress_cb), web_view);
/* g_signal_connect(stage, "delete-event", G_CALLBACK(delete_cb), web_view);*/
g_signal_connect(web_view, "notify::uri", G_CALLBACK(notify_uri_cb), uriText);
gchar *uri = (gchar*) (argc > 1 ? argv[1] : "http://www.google.com/");
gchar *fileURL = filenameToURL(uri);
webkit_web_view_load_uri(web_view, fileURL ? fileURL : uri);
printf("%s\n", fileURL ? fileURL : uri);
g_free(fileURL);
g_timeout_add_full(G_PRIORITY_DEFAULT, 3000, timeout_cb, web_view, 0);
clutter_threads_enter ();
clutter_main();
clutter_threads_leave ();
return EXIT_SUCCESS;
}
IO_METHOD(IoClutter, threadEnter) {
clutter_threads_enter();
return self;
}
/**
* clutter_x11_handle_event:
* @xevent: pointer to XEvent structure
*
* This function processes a single X event; it can be used to hook
* into external X event retrieval (for example that done by GDK).
*
* Return value: #ClutterX11FilterReturn. %CLUTTER_X11_FILTER_REMOVE
* indicates that Clutter has internally handled the event and the
* caller should do no further processing. %CLUTTER_X11_FILTER_CONTINUE
* indicates that Clutter is either not interested in the event,
* or has used the event to update internal state without taking
* any exclusive action. %CLUTTER_X11_FILTER_TRANSLATE will not
* occur.
*
* Since: 0.8
*/
ClutterX11FilterReturn
clutter_x11_handle_event (XEvent *xevent)
{
ClutterBackend *backend;
ClutterBackendX11Class *backend_x11_class;
ClutterEvent *event;
ClutterMainContext *clutter_context;
ClutterX11FilterReturn result;
gint spin = 1;
/* The return values here are someone approximate; we return
* CLUTTER_X11_FILTER_REMOVE if a clutter event is
* generated for the event. This mostly, but not entirely,
* corresponds to whether other event processing should be
* excluded. As long as the stage window is not shared with another
* toolkit it should be safe, and never return
* %CLUTTER_X11_FILTER_REMOVE when more processing is needed.
*/
result = CLUTTER_X11_FILTER_CONTINUE;
clutter_threads_enter ();
clutter_context = _clutter_context_get_default ();
backend = clutter_context->backend;
backend_x11_class = CLUTTER_BACKEND_X11_GET_CLASS (backend);
/* If the backend just observed the event and didn't want it
* removed it could return FALSE, so assume that a TRUE return
* means that our caller should also do no further processing. */
if (backend_x11_class->handle_event (CLUTTER_BACKEND_X11(backend), xevent))
return CLUTTER_X11_FILTER_REMOVE;
event = clutter_event_new (CLUTTER_NOTHING);
if (event_translate (backend, event, xevent))
{
/* push directly here to avoid copy of queue_put */
result = CLUTTER_X11_FILTER_REMOVE;
g_queue_push_head (clutter_context->events_queue, event);
}
else
{
clutter_event_free (event);
goto out;
}
/*
* Motion events can generate synthetic enter and leave events, so if we
* are processing a motion event, we need to spin the event loop at least
* two extra times to pump the enter/leave events through (otherwise they
* just get pushed down the queue and never processed).
*/
if (event->type == CLUTTER_MOTION)
spin += 2;
while (spin > 0 && (event = clutter_event_get ()))
{
/* forward the event into clutter for emission etc. */
clutter_do_event (event);
clutter_event_free (event);
--spin;
}
out:
clutter_threads_leave ();
return result;
}
static gboolean
clutter_clock_dispatch (GSource *source,
GSourceFunc callback,
gpointer user_data)
{
ClutterClockSource *clock_source = (ClutterClockSource *) source;
ClutterMasterClock *master_clock = clock_source->master_clock;
ClutterStageManager *stage_manager = clutter_stage_manager_get_default ();
gboolean stages_updated = FALSE;
GSList *stages, *l;
CLUTTER_STATIC_TIMER (master_dispatch_timer,
"Mainloop",
"Master Clock",
"Master clock dispatch",
0);
CLUTTER_STATIC_TIMER (master_event_process,
"Master Clock",
"Event Processing",
"The time spent processing events on all stages",
0);
CLUTTER_TIMER_START (_clutter_uprof_context, master_dispatch_timer);
CLUTTER_NOTE (SCHEDULER, "Master clock [tick]");
clutter_threads_enter ();
/* Get the time to use for this frame */
#if GLIB_CHECK_VERSION (2, 27, 3)
master_clock->cur_tick = g_source_get_time (source);
#else
{
GTimeVal source_time;
g_source_get_current_time (source, &source_time);
master_clock->cur_tick = source_time.tv_sec * 1000000L
+ source_time.tv_usec;
}
#endif
/* We need to protect ourselves against stages being destroyed during
* event handling
*/
stages = clutter_stage_manager_list_stages (stage_manager);
g_slist_foreach (stages, (GFunc) g_object_ref, NULL);
CLUTTER_TIMER_START (_clutter_uprof_context, master_event_process);
master_clock->idle = FALSE;
/* Process queued events */
for (l = stages; l != NULL; l = l->next)
{
/* NB: If a stage is busy waiting for a swap-buffers completion then
* we don't process its events so we can maximize the benefits of
* motion compression, and avoid multiple picks per frame.
*/
if (_clutter_stage_get_pending_swaps (l->data) == 0)
_clutter_stage_process_queued_events (l->data);
}
CLUTTER_TIMER_STOP (_clutter_uprof_context, master_event_process);
_clutter_master_clock_advance (master_clock);
_clutter_run_repaint_functions ();
/* Update any stage that needs redraw/relayout after the clock
* is advanced.
*/
for (l = stages; l != NULL; l = l->next)
{
/* If a stage has a swap-buffers pending we don't want to draw to it
* in case the driver may block the CPU while it waits for the next
* backbuffer to become available.
*
* TODO: We should be able to identify if we are running triple or N
* buffered and in these cases we can still draw if there is 1 swap
* pending so we can hopefully always be ready to swap for the next
* vblank and really match the vsync frequency.
*/
if (_clutter_stage_get_pending_swaps (l->data) == 0)
stages_updated |= _clutter_stage_do_update (l->data);
}
/* The master clock goes idle if no stages were updated and falls back
* to polling for timeline progressions... */
if (!stages_updated)
master_clock->idle = TRUE;
g_slist_foreach (stages, (GFunc) g_object_unref, NULL);
g_slist_free (stages);
master_clock->prev_tick = master_clock->cur_tick;
clutter_threads_leave ();
CLUTTER_TIMER_STOP (_clutter_uprof_context, master_dispatch_timer);
return TRUE;
}
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;
}
