static gboolean
clutter_wayland_repeat_key (void *data)
{
ClutterInputDeviceWayland *device = data;
ClutterStageCogl *stage_cogl = device->keyboard_focus;
ClutterEvent *event;
event = _clutter_key_event_new_from_evdev ((ClutterInputDevice *) device,
stage_cogl->wrapper,
device->xkb,
device->repeat_time,
device->repeat_key,
1);
device->repeat_time += KEY_REPEAT_INTERVAL;
_clutter_event_push (event, FALSE);
if (!device->is_initial_repeat)
return TRUE;
g_source_remove (device->repeat_source);
device->repeat_source = g_timeout_add (KEY_REPEAT_INTERVAL,
clutter_wayland_repeat_key,
device);
device->is_initial_repeat = FALSE;
return FALSE;
}
static void
clutter_wayland_handle_pointer_leave (void *data,
struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface)
{
ClutterInputDeviceWayland *device = data;
ClutterStageCogl *stage_cogl;
ClutterEvent *event;
stage_cogl = wl_surface_get_user_data (surface);
g_assert (device->pointer_focus == stage_cogl);
event = clutter_event_new (CLUTTER_LEAVE);
event->crossing.stage = stage_cogl->wrapper;
event->crossing.time = 0; /* ?! */
event->crossing.x = device->x;
event->crossing.y = device->y;
event->crossing.source = CLUTTER_ACTOR (stage_cogl->wrapper);
event->crossing.device = CLUTTER_INPUT_DEVICE (device);
_clutter_event_push (event, FALSE);
device->pointer_focus = NULL;
_clutter_input_device_set_stage (CLUTTER_INPUT_DEVICE (device), NULL);
}
static void
events_queue (ClutterBackendX11 *backend_x11)
{
ClutterBackend *backend = CLUTTER_BACKEND (backend_x11);
Display *xdisplay = backend_x11->xdpy;
ClutterEvent *event;
XEvent xevent;
while (!clutter_events_pending () && XPending (xdisplay))
{
XNextEvent (xdisplay, &xevent);
event = clutter_event_new (CLUTTER_NOTHING);
#ifdef HAVE_XGE
XGetEventData (xdisplay, &xevent.xcookie);
#endif
if (_clutter_backend_translate_event (backend, &xevent, event))
_clutter_event_push (event, FALSE);
else
clutter_event_free (event);
#ifdef HAVE_XGE
XFreeEventData (xdisplay, &xevent.xcookie);
#endif
}
}
/**
* 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 inline void
take_and_queue_event (ClutterEvent *event)
{
/* The event is added directly to the queue instead of using
clutter_event_put so that it can avoid a copy. This takes
ownership of the event */
_clutter_event_push (event, FALSE);
}
static void
clutter_wayland_handle_pointer_enter (void *data,
struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface,
wl_fixed_t x, wl_fixed_t y)
{
ClutterInputDeviceWayland *device = data;
ClutterStageCogl *stage_cogl;
ClutterEvent *event;
ClutterBackend *backend;
ClutterBackendWayland *backend_wayland;
stage_cogl = wl_surface_get_user_data (surface);
device->pointer_focus = stage_cogl;
_clutter_input_device_set_stage (CLUTTER_INPUT_DEVICE (device),
stage_cogl->wrapper);
event = clutter_event_new (CLUTTER_ENTER);
event->crossing.stage = stage_cogl->wrapper;
event->crossing.time = 0; /* ?! */
event->crossing.x = wl_fixed_to_double(x);
event->crossing.y = wl_fixed_to_double(y);
event->crossing.source = CLUTTER_ACTOR (stage_cogl->wrapper);
event->crossing.device = CLUTTER_INPUT_DEVICE (device);
device->x = event->crossing.x;
device->y = event->crossing.y;
_clutter_event_push (event, FALSE);
/* Set the cursor to the cursor loaded at backend initialisation */
backend = clutter_get_default_backend ();
backend_wayland = CLUTTER_BACKEND_WAYLAND (backend);
wl_pointer_set_cursor (pointer,
serial,
backend_wayland->cursor_surface,
backend_wayland->cursor_x,
backend_wayland->cursor_y);
wl_surface_attach (backend_wayland->cursor_surface,
backend_wayland->cursor_buffer,
0,
0);
wl_surface_damage (backend_wayland->cursor_surface,
0,
0,
32, /* XXX: FFS */
32);
wl_surface_commit (backend_wayland->cursor_surface);
}
static void
events_queue (ClutterBackend *backend)
{
ClutterBackendX11 *backend_x11 = CLUTTER_BACKEND_X11 (backend);
Display *xdisplay = backend_x11->xdpy;
ClutterEvent *event;
XEvent xevent;
while (!clutter_events_pending () && XPending (xdisplay))
{
XNextEvent (xdisplay, &xevent);
event = clutter_event_new (CLUTTER_NOTHING);
if (_clutter_backend_translate_event (backend, &xevent, event))
_clutter_event_push (event, FALSE);
else
clutter_event_free (event);
}
}
static void
clutter_wayland_handle_button (void *data,
struct wl_pointer *pointer,
uint32_t serial, uint32_t _time,
uint32_t button, uint32_t state)
{
ClutterInputDeviceWayland *device = data;
ClutterStageCogl *stage_cogl = device->pointer_focus;
ClutterEvent *event;
ClutterEventType type;
if (state)
type = CLUTTER_BUTTON_PRESS;
else
type = CLUTTER_BUTTON_RELEASE;
event = clutter_event_new (type);
event->button.stage = stage_cogl->wrapper;
event->button.device = CLUTTER_INPUT_DEVICE (device);
event->button.time = /*_time*/ serial;
event->button.x = device->x;
event->button.y = device->y;
event->button.modifier_state =
xkb_state_serialize_mods (device->xkb, XKB_STATE_EFFECTIVE);
/* evdev button codes */
switch (button) {
case 272:
event->button.button = 1;
break;
case 273:
event->button.button = 3;
break;
case 274:
event->button.button = 2;
break;
}
_clutter_event_push (event, FALSE);
}
static void
clutter_wayland_handle_key (void *data,
struct wl_keyboard *keyboard,
uint32_t serial, uint32_t _time,
uint32_t key, uint32_t state)
{
ClutterInputDeviceWayland *device = data;
ClutterStageCogl *stage_cogl = device->keyboard_focus;
ClutterEvent *event;
if (!device->xkb)
return;
event = _clutter_key_event_new_from_evdev ((ClutterInputDevice *) device,
stage_cogl->wrapper,
device->xkb,
_time, key, state);
_clutter_event_push (event, FALSE);
if (!xkb_key_repeats (xkb_state_get_map (device->xkb), key))
return;
if (state)
{
if (device->repeat_key != XKB_KEYCODE_INVALID)
g_source_remove (device->repeat_source);
device->repeat_key = key;
device->repeat_time = _time + KEY_REPEAT_DELAY;
device->repeat_source = g_timeout_add (KEY_REPEAT_DELAY,
clutter_wayland_repeat_key,
device);
device->is_initial_repeat = TRUE;
}
else if (device->repeat_key == key)
{
g_source_remove (device->repeat_source);
device->repeat_key = XKB_KEYCODE_INVALID;
}
}
static void
clutter_wayland_handle_motion (void *data,
struct wl_pointer *pointer,
uint32_t _time,
wl_fixed_t x, wl_fixed_t y)
{
ClutterInputDeviceWayland *device = data;
ClutterStageCogl *stage_cogl = device->pointer_focus;
ClutterEvent *event;
event = clutter_event_new (CLUTTER_MOTION);
event->motion.stage = stage_cogl->wrapper;
event->motion.device = CLUTTER_INPUT_DEVICE (device);
event->motion.time = _time;
event->motion.modifier_state = 0;
event->motion.x = wl_fixed_to_double(x);
event->motion.y = wl_fixed_to_double(y);
device->x = event->motion.x;
device->y = event->motion.y;
_clutter_event_push (event, FALSE);
}
static void
clutter_wayland_handle_axis (void *data,
struct wl_pointer *pointer,
uint32_t time,
uint32_t axis,
wl_fixed_t value)
{
ClutterInputDeviceWayland *device = data;
ClutterStageCogl *stage_cogl = device->pointer_focus;
ClutterEvent *event;
gdouble delta_x, delta_y;
event = clutter_event_new (CLUTTER_SCROLL);
event->scroll.time = time;
event->scroll.stage = stage_cogl->wrapper;
event->scroll.direction = CLUTTER_SCROLL_SMOOTH;
event->scroll.x = device->x;
event->scroll.y = device->y;
if (axis == WL_POINTER_AXIS_HORIZONTAL_SCROLL)
{
delta_x = -wl_fixed_to_double(value) * 23;
delta_y = 0;
}
else
{
delta_x = 0;
delta_y = -wl_fixed_to_double(value) * 23; /* XXX: based on my bcm5794 */
}
clutter_event_set_scroll_delta (event, delta_x, delta_y);
event->scroll.modifier_state =
xkb_state_serialize_mods(device->xkb, XKB_STATE_EFFECTIVE);
_clutter_event_push (event, FALSE);
}
/**
* clutter_event_put:
* @event: a #ClutterEvent
*
* Puts a copy of the event on the back of the event queue. The event will
* have the %CLUTTER_EVENT_FLAG_SYNTHETIC flag set. If the source is set
* event signals will be emitted for this source and capture/bubbling for
* its ancestors. If the source is not set it will be generated by picking
* or use the actor that currently has keyboard focus
*
* Since: 0.6
*/
void
clutter_event_put (const ClutterEvent *event)
{
_clutter_event_push (event, 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;
#ifdef HAVE_XGE
ClutterBackendX11 *backend_x11;
Display *xdisplay;
gboolean allocated_event;
#endif
/* 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_acquire_lock ();
backend = clutter_get_default_backend ();
event = clutter_event_new (CLUTTER_NOTHING);
#ifdef HAVE_XGE
backend_x11 = CLUTTER_BACKEND_X11 (backend);
xdisplay = backend_x11->xdpy;
allocated_event = XGetEventData (xdisplay, &xevent->xcookie);
#endif
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_stage_queue_event (event->any.stage, event, FALSE);
--spin;
}
out:
#ifdef HAVE_XGE
if (allocated_event)
XFreeEventData (xdisplay, &xevent->xcookie);
#endif
_clutter_threads_release_lock ();
return result;
}
/**
* clutter_gdk_handle_event:
* @event: a #GdkEvent
*
* This function processes a single GDK event; it can be used to hook
* into external event processing
*
* Return value: #GdkFilterReturn. %GDK_FILTER_REMOVE indicates that
* Clutter has internally handled the event and the caller should do
* no further processing. %GDK_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.
* %GDK_FILTER_TRANSLATE will not occur.
*
*/
GdkFilterReturn
clutter_gdk_handle_event (GdkEvent *gdk_event)
{
ClutterDeviceManager *device_manager;
ClutterBackendGdk *backend_gdk;
ClutterBackend *backend;
ClutterStage *stage = NULL;
ClutterEvent *event = NULL;
gint spin = 0;
GdkFilterReturn result = GDK_FILTER_CONTINUE;
ClutterInputDevice *device, *source_device;
GdkDevice *gdk_device;
backend = clutter_get_default_backend ();
if (!CLUTTER_IS_BACKEND_GDK (backend))
return GDK_FILTER_CONTINUE;
if (gdk_event->any.window == NULL)
return GDK_FILTER_CONTINUE;
device_manager = clutter_device_manager_get_default ();
if (G_UNLIKELY (device_manager == NULL))
return GDK_FILTER_CONTINUE;
backend_gdk = CLUTTER_BACKEND_GDK (backend);
stage = clutter_gdk_get_stage_from_window (gdk_event->any.window);
gdk_device = gdk_event_get_device (gdk_event);
if (gdk_device != NULL)
device = _clutter_device_manager_gdk_lookup_device (device_manager,
gdk_device);
else
device = NULL;
gdk_device = gdk_event_get_source_device (gdk_event);
if (gdk_device != NULL)
source_device = _clutter_device_manager_gdk_lookup_device (device_manager,
gdk_device);
else
source_device = NULL;
if (stage == NULL)
return GDK_FILTER_CONTINUE;
_clutter_threads_acquire_lock ();
switch (gdk_event->type)
{
case GDK_DELETE:
event = clutter_event_new (CLUTTER_DELETE);
break;
case GDK_DESTROY:
event = clutter_event_new (CLUTTER_DESTROY_NOTIFY);
break;
case GDK_EXPOSE:
{
ClutterPaintVolume clip;
ClutterVertex origin;
CLUTTER_NOTE (EVENT, "Expose for stage '%s' [%p] { %d, %d - %d x %d }",
_clutter_actor_get_debug_name (CLUTTER_ACTOR (stage)),
stage,
gdk_event->expose.area.x,
gdk_event->expose.area.y,
gdk_event->expose.area.width,
gdk_event->expose.area.height);
origin.x = gdk_event->expose.area.x;
origin.y = gdk_event->expose.area.y;
origin.z = 0;
_clutter_paint_volume_init_static (&clip, CLUTTER_ACTOR (stage));
clutter_paint_volume_set_origin (&clip, &origin);
clutter_paint_volume_set_width (&clip, gdk_event->expose.area.width);
clutter_paint_volume_set_height (&clip, gdk_event->expose.area.height);
_clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (stage), 0, &clip);
clutter_paint_volume_free (&clip);
}
break;
case GDK_DAMAGE:
/* This is handled by cogl */
break;
case GDK_MOTION_NOTIFY:
event = clutter_event_new (CLUTTER_MOTION);
event->motion.time = gdk_event->motion.time;
event->motion.x = gdk_event->motion.x;
event->motion.y = gdk_event->motion.y;
event->motion.axes = NULL;
/* It's all X in the end, right? */
event->motion.modifier_state = gdk_event->motion.state;
clutter_event_set_device (event, device);
clutter_event_set_source_device (event, source_device);
CLUTTER_NOTE (EVENT, "Motion notifiy [%.2f, %.2f]",
event->motion.x,
event->motion.y);
break;
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
event = clutter_event_new (gdk_event->type == GDK_BUTTON_PRESS ?
CLUTTER_BUTTON_PRESS :
CLUTTER_BUTTON_RELEASE);
event->button.time = gdk_event->button.time;
event->button.x = gdk_event->button.x;
event->button.y = gdk_event->button.y;
event->button.axes = NULL;
event->button.modifier_state = gdk_event->button.state;
event->button.button = gdk_event->button.button;
event->button.click_count = 1;
clutter_event_set_device (event, device);
clutter_event_set_source_device (event, source_device);
CLUTTER_NOTE (EVENT, "Button %d %s [%.2f, %.2f]",
event->button.button,
event->type == CLUTTER_BUTTON_PRESS ? "press" : "release",
event->button.x,
event->button.y);
break;
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
/* these are handled by clutter-main.c updating click_count */
break;
case GDK_KEY_PRESS:
case GDK_KEY_RELEASE:
event = clutter_event_new (gdk_event->type == GDK_KEY_PRESS ?
CLUTTER_KEY_PRESS :
CLUTTER_KEY_RELEASE);
event->key.time = gdk_event->key.time;
event->key.modifier_state = gdk_event->key.state;
event->key.keyval = gdk_event->key.keyval;
event->key.hardware_keycode = gdk_event->key.hardware_keycode;
event->key.unicode_value = g_utf8_get_char (gdk_event->key.string);
clutter_event_set_device (event, device);
clutter_event_set_source_device (event, source_device);
CLUTTER_NOTE (EVENT, "Key %d %s",
event->key.keyval,
event->type == CLUTTER_KEY_PRESS ? "press" : "release");
break;
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
event = clutter_event_new (gdk_event->type == GDK_ENTER_NOTIFY ?
CLUTTER_ENTER :
CLUTTER_LEAVE);
event->crossing.source = CLUTTER_ACTOR (stage);
event->crossing.time = gdk_event_get_time (gdk_event);
event->crossing.x = gdk_event->crossing.x;
event->crossing.y = gdk_event->crossing.y;
/* XXX: no better fallback here? */
clutter_event_set_device (event, device);
clutter_event_set_source_device (event, source_device);
if (gdk_event->type == GDK_ENTER_NOTIFY)
_clutter_input_device_set_stage (clutter_event_get_device (event), stage);
else
_clutter_input_device_set_stage (clutter_event_get_device (event), NULL);
CLUTTER_NOTE (EVENT, "Crossing %s [%.2f, %.2f]",
event->type == CLUTTER_ENTER ? "enter" : "leave",
event->crossing.x,
event->crossing.y);
break;
case GDK_FOCUS_CHANGE:
if (gdk_event->focus_change.in)
_clutter_stage_update_state (stage, 0, CLUTTER_STAGE_STATE_ACTIVATED);
else
_clutter_stage_update_state (stage, CLUTTER_STAGE_STATE_ACTIVATED, 0);
break;
case GDK_CONFIGURE:
{
gfloat w, h;
clutter_actor_get_size (CLUTTER_ACTOR (stage), &w, &h);
if (w != gdk_event->configure.width ||
h != gdk_event->configure.height)
{
clutter_actor_set_size (CLUTTER_ACTOR (stage),
gdk_event->configure.width,
gdk_event->configure.height);
}
}
break;
case GDK_SCROLL:
event = clutter_event_new (CLUTTER_SCROLL);
event->scroll.time = gdk_event->scroll.time;
event->scroll.x = gdk_event->scroll.x;
event->scroll.y = gdk_event->scroll.y;
event->scroll.modifier_state = gdk_event->scroll.state;
event->scroll.axes = NULL;
/* XXX: must keep ClutterScrollDirection compatible with GdkScrollDirection */
event->scroll.direction = (ClutterScrollDirection) gdk_event->scroll.direction;
clutter_event_set_device (event, device);
clutter_event_set_source_device (event, source_device);
clutter_event_set_scroll_delta (event,
gdk_event->scroll.delta_x,
gdk_event->scroll.delta_y);
break;
case GDK_WINDOW_STATE:
if (gdk_event->window_state.changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
{
gboolean is_fullscreen;
is_fullscreen = (gdk_event->window_state.new_window_state & GDK_WINDOW_STATE_FULLSCREEN) != 0;
if (is_fullscreen)
_clutter_stage_update_state (stage, 0, CLUTTER_STAGE_STATE_FULLSCREEN);
else
_clutter_stage_update_state (stage, CLUTTER_STAGE_STATE_FULLSCREEN, 0);
}
break;
case GDK_SETTING:
_clutter_backend_gdk_update_setting (backend_gdk, gdk_event->setting.name);
break;
default:
break;
}
if (event != NULL)
{
event->any.stage = stage;
if (gdk_event->any.send_event)
event->any.flags = CLUTTER_EVENT_FLAG_SYNTHETIC;
_clutter_event_push (event, FALSE);
spin = 1;
CLUTTER_NOTE (EVENT, "Translated one event from Gdk");
/* handle also synthetic enter/leave events */
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;
}
result = GDK_FILTER_REMOVE;
}
_clutter_threads_release_lock ();
return result;
}
static void
queue_event (ClutterEvent *event)
{
_clutter_event_push (event, FALSE);
}
