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mutter-performance-source/clutter/clutter/clutter-event.c
Christian Hergert 1247452d19 gwakeup: Reduce wake-ups to only first item in queue 
We only need to wake up the other side of the GAsyncQueue if we transition
from 0 to 1 item in the queue. Otherwise, we can be certain that the other
side has received a wakeup and will eventually flush the queue.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4007>
2024-09-17 10:07:07 +00:00

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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2006 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#include "config.h"
#include "clutter/clutter-backend-private.h"
#include "clutter/clutter-context-private.h"
#include "clutter/clutter-debug.h"
#include "clutter/clutter-event-private.h"
#include "clutter/clutter-keysyms.h"
#include "clutter/clutter-input-device-tool.h"
#include "clutter/clutter-private.h"
#include <math.h>
struct _ClutterAnyEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
};
struct _ClutterKeyEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
ClutterModifierSet raw_modifiers;
ClutterModifierType modifier_state;
uint32_t keyval;
uint16_t hardware_keycode;
gunichar unicode_value;
uint32_t evdev_code;
};
struct _ClutterButtonEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
float x;
float y;
ClutterModifierType modifier_state;
uint32_t button;
double *axes;
ClutterInputDeviceTool *tool;
uint32_t evdev_code;
};
struct _ClutterProximityEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
ClutterInputDeviceTool *tool;
};
struct _ClutterCrossingEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
float x;
float y;
ClutterEventSequence *sequence;
ClutterActor *source;
ClutterActor *related;
};
struct _ClutterMotionEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
float x;
float y;
ClutterModifierType modifier_state;
double *axes;
ClutterInputDeviceTool *tool;
double dx;
double dy;
double dx_unaccel;
double dy_unaccel;
double dx_constrained;
double dy_constrained;
};
struct _ClutterScrollEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
float x;
float y;
double delta_x;
double delta_y;
ClutterScrollDirection direction;
ClutterModifierType modifier_state;
double *axes;
ClutterInputDeviceTool *tool;
ClutterScrollSource scroll_source;
ClutterScrollFinishFlags finish_flags;
};
struct _ClutterTouchEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
float x;
float y;
ClutterEventSequence *sequence;
ClutterModifierType modifier_state;
double *axes; /* reserved */
};
struct _ClutterTouchpadPinchEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
ClutterTouchpadGesturePhase phase;
float x;
float y;
float dx;
float dy;
float dx_unaccel;
float dy_unaccel;
float angle_delta;
float scale;
uint32_t n_fingers;
};
struct _ClutterTouchpadSwipeEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
ClutterTouchpadGesturePhase phase;
uint32_t n_fingers;
float x;
float y;
float dx;
float dy;
float dx_unaccel;
float dy_unaccel;
};
struct _ClutterTouchpadHoldEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
ClutterTouchpadGesturePhase phase;
uint32_t n_fingers;
float x;
float y;
};
struct _ClutterPadButtonEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
uint32_t button;
uint32_t group;
uint32_t mode;
};
struct _ClutterPadStripEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
ClutterInputDevicePadSource strip_source;
uint32_t strip_number;
uint32_t group;
double value;
uint32_t mode;
};
struct _ClutterPadRingEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
ClutterInputDevicePadSource ring_source;
uint32_t ring_number;
uint32_t group;
double angle;
uint32_t mode;
};
struct _ClutterDeviceEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
};
struct _ClutterIMEvent
{
ClutterEventType type;
int64_t time_us;
ClutterEventFlags flags;
ClutterInputDevice *device;
ClutterInputDevice *source_device;
char *text;
int32_t offset;
int32_t anchor;
uint32_t len;
ClutterPreeditResetMode mode;
};
union _ClutterEvent
{
/*< private >*/
ClutterEventType type;
ClutterAnyEvent any;
ClutterButtonEvent button;
ClutterKeyEvent key;
ClutterMotionEvent motion;
ClutterScrollEvent scroll;
ClutterCrossingEvent crossing;
ClutterTouchEvent touch;
ClutterTouchpadPinchEvent touchpad_pinch;
ClutterTouchpadSwipeEvent touchpad_swipe;
ClutterTouchpadHoldEvent touchpad_hold;
ClutterProximityEvent proximity;
ClutterPadButtonEvent pad_button;
ClutterPadStripEvent pad_strip;
ClutterPadRingEvent pad_ring;
ClutterDeviceEvent device;
ClutterIMEvent im;
};
typedef struct _ClutterEventFilter {
int id;
ClutterStage *stage;
ClutterEventFilterFunc func;
GDestroyNotify notify;
gpointer user_data;
} ClutterEventFilter;
G_DEFINE_BOXED_TYPE (ClutterEvent, clutter_event,
clutter_event_copy,
clutter_event_free);
static ClutterEventSequence *
clutter_event_sequence_copy (ClutterEventSequence *sequence)
{
/* Nothing to copy here */
return sequence;
}
static void
clutter_event_sequence_free (ClutterEventSequence *sequence)
{
/* Nothing to free here */
}
G_DEFINE_BOXED_TYPE (ClutterEventSequence, clutter_event_sequence,
clutter_event_sequence_copy,
clutter_event_sequence_free);
/**
* clutter_event_type:
* @event: a #ClutterEvent
*
* Retrieves the type of the event.
*
* Return value: a #ClutterEventType
*/
ClutterEventType
clutter_event_type (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, CLUTTER_NOTHING);
return event->type;
}
/**
* clutter_event_get_time:
* @event: a #ClutterEvent
*
* Retrieves the time of the event.
*
* Return value: the time of the event, or %CLUTTER_CURRENT_TIME
*/
guint32
clutter_event_get_time (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, CLUTTER_CURRENT_TIME);
return us2ms (event->any.time_us);
}
/**
* clutter_event_get_state:
* @event: a #ClutterEvent
*
* Retrieves the modifier state of the event. In case the window system
* supports reporting latched and locked modifiers, this function returns
* the effective state.
*
* Return value: the modifier state parameter, or 0
*/
ClutterModifierType
clutter_event_get_state (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, 0);
switch (event->type)
{
case CLUTTER_KEY_PRESS:
case CLUTTER_KEY_RELEASE:
return event->key.modifier_state;
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
return event->button.modifier_state;
case CLUTTER_TOUCH_BEGIN:
case CLUTTER_TOUCH_UPDATE:
case CLUTTER_TOUCH_END:
case CLUTTER_TOUCH_CANCEL:
return event->touch.modifier_state;
case CLUTTER_MOTION:
return event->motion.modifier_state;
case CLUTTER_SCROLL:
return event->scroll.modifier_state;
default:
break;
}
return 0;
}
/**
* clutter_event_get_coords:
* @event: a #ClutterEvent
* @x: (out): return location for the X coordinate, or %NULL
* @y: (out): return location for the Y coordinate, or %NULL
*
* Retrieves the coordinates of @event and puts them into @x and @y.
*/
void
clutter_event_get_coords (const ClutterEvent *event,
gfloat *x,
gfloat *y)
{
graphene_point_t coords;
g_return_if_fail (event != NULL);
clutter_event_get_position (event, &coords);
if (x != NULL)
*x = coords.x;
if (y != NULL)
*y = coords.y;
}
/**
* clutter_event_get_position:
* @event: a #ClutterEvent
* @position: a #graphene_point_t
*
* Retrieves the event coordinates as a #graphene_point_t.
*/
void
clutter_event_get_position (const ClutterEvent *event,
graphene_point_t *position)
{
g_return_if_fail (event != NULL);
g_return_if_fail (position != NULL);
switch (event->type)
{
case CLUTTER_NOTHING:
case CLUTTER_KEY_PRESS:
case CLUTTER_KEY_RELEASE:
case CLUTTER_EVENT_LAST:
case CLUTTER_PROXIMITY_IN:
case CLUTTER_PROXIMITY_OUT:
case CLUTTER_PAD_BUTTON_PRESS:
case CLUTTER_PAD_BUTTON_RELEASE:
case CLUTTER_PAD_STRIP:
case CLUTTER_PAD_RING:
case CLUTTER_DEVICE_ADDED:
case CLUTTER_DEVICE_REMOVED:
case CLUTTER_IM_COMMIT:
case CLUTTER_IM_DELETE:
case CLUTTER_IM_PREEDIT:
graphene_point_init (position, 0.f, 0.f);
break;
case CLUTTER_ENTER:
case CLUTTER_LEAVE:
graphene_point_init (position, event->crossing.x, event->crossing.y);
break;
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
graphene_point_init (position, event->button.x, event->button.y);
break;
case CLUTTER_MOTION:
graphene_point_init (position, event->motion.x, event->motion.y);
break;
case CLUTTER_TOUCH_BEGIN:
case CLUTTER_TOUCH_UPDATE:
case CLUTTER_TOUCH_END:
case CLUTTER_TOUCH_CANCEL:
graphene_point_init (position, event->touch.x, event->touch.y);
break;
case CLUTTER_SCROLL:
graphene_point_init (position, event->scroll.x, event->scroll.y);
break;
case CLUTTER_TOUCHPAD_PINCH:
graphene_point_init (position, event->touchpad_pinch.x,
event->touchpad_pinch.y);
break;
case CLUTTER_TOUCHPAD_SWIPE:
graphene_point_init (position, event->touchpad_swipe.x,
event->touchpad_swipe.y);
break;
case CLUTTER_TOUCHPAD_HOLD:
graphene_point_init (position, event->touchpad_hold.x,
event->touchpad_hold.y);
break;
}
}
/**
* clutter_event_get_source:
* @event: a #ClutterEvent
*
* Retrieves the source #ClutterActor the event originated from, or
* NULL if the event has no source.
*
* Return value: (transfer none): a #ClutterActor
*/
ClutterActor *
clutter_event_get_source (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, NULL);
if (event->type == CLUTTER_ENTER ||
event->type == CLUTTER_LEAVE)
return event->crossing.source;
return NULL;
}
/**
* clutter_event_get_flags:
* @event: a #ClutterEvent
*
* Retrieves the #ClutterEventFlags of @event
*
* Return value: the event flags
*/
ClutterEventFlags
clutter_event_get_flags (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, CLUTTER_EVENT_NONE);
return event->any.flags;
}
/**
* clutter_event_get_related:
* @event: a #ClutterEvent of type %CLUTTER_ENTER or of
* type %CLUTTER_LEAVE
*
* Retrieves the related actor of a crossing event.
*
* Return value: (transfer none): the related #ClutterActor, or %NULL
*/
ClutterActor *
clutter_event_get_related (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, NULL);
g_return_val_if_fail (event->type == CLUTTER_ENTER ||
event->type == CLUTTER_LEAVE, NULL);
return event->crossing.related;
}
/**
* clutter_event_get_scroll_delta:
* @event: a #ClutterEvent of type %CLUTTER_SCROLL
* @dx: (out): return location for the delta on the horizontal axis
* @dy: (out): return location for the delta on the vertical axis
*
* Retrieves the precise scrolling information of @event.
*
* The @event has to have a #ClutterScrollEvent.direction value
* of %CLUTTER_SCROLL_SMOOTH.
*/
void
clutter_event_get_scroll_delta (const ClutterEvent *event,
gdouble *dx,
gdouble *dy)
{
g_return_if_fail (event != NULL);
g_return_if_fail (event->type == CLUTTER_SCROLL);
g_return_if_fail (event->scroll.direction == CLUTTER_SCROLL_SMOOTH);
if (dx != NULL)
*dx = event->scroll.delta_x;
if (dy != NULL)
*dy = event->scroll.delta_y;
}
/**
* clutter_event_get_scroll_direction:
* @event: a #ClutterEvent of type %CLUTTER_SCROLL
*
* Retrieves the direction of the scrolling of @event
*
* Return value: the scrolling direction
*/
ClutterScrollDirection
clutter_event_get_scroll_direction (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, CLUTTER_SCROLL_UP);
g_return_val_if_fail (event->type == CLUTTER_SCROLL, CLUTTER_SCROLL_UP);
return event->scroll.direction;
}
/**
* clutter_event_get_button:
* @event: a #ClutterEvent of type %CLUTTER_BUTTON_PRESS or
* of type %CLUTTER_BUTTON_RELEASE
*
* Retrieves the button number of @event
*
* Return value: the button number
*/
guint32
clutter_event_get_button (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, 0);
g_return_val_if_fail (event->type == CLUTTER_BUTTON_PRESS ||
event->type == CLUTTER_BUTTON_RELEASE ||
event->type == CLUTTER_PAD_BUTTON_PRESS ||
event->type == CLUTTER_PAD_BUTTON_RELEASE, 0);
if (event->type == CLUTTER_BUTTON_PRESS ||
event->type == CLUTTER_BUTTON_RELEASE)
return event->button.button;
else
return event->pad_button.button;
}
/* keys */
/**
* clutter_event_get_key_symbol:
* @event: a #ClutterEvent of type %CLUTTER_KEY_PRESS or
* of type %CLUTTER_KEY_RELEASE
*
* Retrieves the key symbol of @event
*
* Return value: the key symbol representing the key
*/
guint
clutter_event_get_key_symbol (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, 0);
g_return_val_if_fail (event->type == CLUTTER_KEY_PRESS ||
event->type == CLUTTER_KEY_RELEASE, 0);
return event->key.keyval;
}
/**
* clutter_event_get_key_code:
* @event: a #ClutterEvent of type %CLUTTER_KEY_PRESS or
* of type %CLUTTER_KEY_RELEASE
*
* Retrieves the keycode of the key that caused @event
*
* Return value: The keycode representing the key
*/
guint16
clutter_event_get_key_code (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, 0);
g_return_val_if_fail (event->type == CLUTTER_KEY_PRESS ||
event->type == CLUTTER_KEY_RELEASE, 0);
return event->key.hardware_keycode;
}
/**
* clutter_event_get_key_unicode:
* @event: a #ClutterEvent of type %CLUTTER_KEY_PRESS
* or %CLUTTER_KEY_RELEASE
*
* Retrieves the unicode value for the key that caused @keyev.
*
* Return value: The unicode value representing the key
*/
gunichar
clutter_event_get_key_unicode (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, 0);
g_return_val_if_fail (event->type == CLUTTER_KEY_PRESS ||
event->type == CLUTTER_KEY_RELEASE, 0);
if (event->key.unicode_value)
return event->key.unicode_value;
else
return clutter_keysym_to_unicode (event->key.keyval);
}
/**
* clutter_event_get_key_state:
* @event: a #ClutterEvent of type %CLUTTER_KEY_PRESS
* or %CLUTTER_KEY_RELEASE
* @pressed: (out): Return location for pressed modifiers
* @latched: (out): Return location for latched modifiers
* @locked: (out): Return location for locked modifiers
*
* Returns the modifier state decomposed into independent
* pressed/latched/locked states. The effective state is a
* composition of these 3 states, see [method@Clutter.Event.get_state].
**/
void
clutter_event_get_key_state (const ClutterEvent *event,
ClutterModifierType *pressed,
ClutterModifierType *latched,
ClutterModifierType *locked)
{
g_return_if_fail (event != NULL);
g_return_if_fail (event->type == CLUTTER_KEY_PRESS ||
event->type == CLUTTER_KEY_RELEASE);
if (pressed)
*pressed = event->key.raw_modifiers.pressed;
if (latched)
*latched = event->key.raw_modifiers.latched;
if (locked)
*locked = event->key.raw_modifiers.locked;
}
/**
* clutter_event_get_event_sequence:
* @event: a #ClutterEvent of type %CLUTTER_TOUCH_BEGIN,
* %CLUTTER_TOUCH_UPDATE, %CLUTTER_TOUCH_END, or
* %CLUTTER_TOUCH_CANCEL
*
* Retrieves the #ClutterEventSequence of @event.
*
* Return value: (transfer none): the event sequence, or %NULL
*/
ClutterEventSequence *
clutter_event_get_event_sequence (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, NULL);
if (event->type == CLUTTER_TOUCH_BEGIN ||
event->type == CLUTTER_TOUCH_UPDATE ||
event->type == CLUTTER_TOUCH_END ||
event->type == CLUTTER_TOUCH_CANCEL)
return event->touch.sequence;
else if (event->type == CLUTTER_ENTER ||
event->type == CLUTTER_LEAVE)
return event->crossing.sequence;
return NULL;
}
/**
* clutter_event_get_device_type:
* @event: a #ClutterEvent
*
* Retrieves the type of the device for @event
*
* Return value: the #ClutterInputDeviceType for the device, if
* any is set
*/
ClutterInputDeviceType
clutter_event_get_device_type (const ClutterEvent *event)
{
ClutterInputDevice *device = NULL;
g_return_val_if_fail (event != NULL, CLUTTER_POINTER_DEVICE);
device = clutter_event_get_device (event);
if (device != NULL)
return clutter_input_device_get_device_type (device);
return CLUTTER_POINTER_DEVICE;
}
/**
* clutter_event_get_device:
* @event: a #ClutterEvent
*
* Retrieves the #ClutterInputDevice for the event.
* If you want the physical device the event originated from, use
* [method@Clutter.Event.get_source_device].
*
* The #ClutterInputDevice structure is completely opaque and should
* be cast to the platform-specific implementation.
*
* Return value: (transfer none): the #ClutterInputDevice or %NULL. The
* returned device is owned by the #ClutterEvent and it should not
* be unreferenced
*/
ClutterInputDevice *
clutter_event_get_device (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, NULL);
return event->any.device;
}
/**
* clutter_event_get_device_tool:
* @event: a #ClutterEvent
*
* Returns the device tool that originated this event
*
* Returns: (transfer none): The tool of this event8
**/
ClutterInputDeviceTool *
clutter_event_get_device_tool (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, NULL);
switch (event->any.type)
{
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
return event->button.tool;
case CLUTTER_MOTION:
return event->motion.tool;
case CLUTTER_SCROLL:
return event->scroll.tool;
case CLUTTER_PROXIMITY_IN:
case CLUTTER_PROXIMITY_OUT:
return event->proximity.tool;
default:
return NULL;
}
}
static ClutterEvent *
clutter_event_new (ClutterEventType type)
{
ClutterEvent *new_event;
new_event = g_new0 (ClutterEvent, 1);
new_event->any.type = type;
return new_event;
}
/**
* clutter_event_copy:
* @event: A #ClutterEvent.
*
* Copies @event.
*
* Return value: (transfer full): A newly allocated #ClutterEvent
*/
ClutterEvent *
clutter_event_copy (const ClutterEvent *event)
{
ClutterEvent *new_event;
g_return_val_if_fail (event != NULL, NULL);
new_event = clutter_event_new (CLUTTER_NOTHING);
g_set_object (&new_event->any.device, event->any.device);
g_set_object (&new_event->any.source_device, event->any.source_device);
*new_event = *event;
switch (event->type)
{
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
if (event->button.axes != NULL)
{
new_event->button.axes =
g_memdup2 (event->button.axes,
sizeof (double) * CLUTTER_INPUT_AXIS_LAST);
}
break;
case CLUTTER_SCROLL:
if (event->scroll.axes != NULL)
{
new_event->scroll.axes =
g_memdup2 (event->scroll.axes,
sizeof (double) * CLUTTER_INPUT_AXIS_LAST);
}
break;
case CLUTTER_MOTION:
if (event->motion.axes != NULL)
{
new_event->motion.axes =
g_memdup2 (event->motion.axes,
sizeof (double) * CLUTTER_INPUT_AXIS_LAST);
}
break;
case CLUTTER_TOUCH_BEGIN:
case CLUTTER_TOUCH_UPDATE:
case CLUTTER_TOUCH_END:
case CLUTTER_TOUCH_CANCEL:
if (event->touch.axes != NULL)
{
new_event->touch.axes =
g_memdup2 (event->touch.axes,
sizeof (double) * CLUTTER_INPUT_AXIS_LAST);
}
break;
case CLUTTER_IM_COMMIT:
case CLUTTER_IM_PREEDIT:
new_event->im.text = g_strdup (event->im.text);
break;
default:
break;
}
return new_event;
}
/**
* clutter_event_free:
* @event: A #ClutterEvent.
*
* Frees all resources used by @event.
*/
void
clutter_event_free (ClutterEvent *event)
{
if (G_LIKELY (event != NULL))
{
g_clear_object (&event->any.device);
g_clear_object (&event->any.source_device);
switch (event->type)
{
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
g_free (event->button.axes);
break;
case CLUTTER_MOTION:
g_free (event->motion.axes);
break;
case CLUTTER_SCROLL:
g_free (event->scroll.axes);
break;
case CLUTTER_TOUCH_BEGIN:
case CLUTTER_TOUCH_UPDATE:
case CLUTTER_TOUCH_END:
case CLUTTER_TOUCH_CANCEL:
g_free (event->touch.axes);
break;
case CLUTTER_IM_COMMIT:
case CLUTTER_IM_PREEDIT:
g_free (event->im.text);
break;
default:
break;
}
g_free (event);
}
}
/**
* clutter_event_get:
*
* Pops an event off the event queue. Applications should not need to call
* this.
*
* Return value: A #ClutterEvent or NULL if queue empty
*/
ClutterEvent *
clutter_event_get (void)
{
ClutterContext *context = _clutter_context_get_default ();
ClutterEvent *event;
event = g_async_queue_try_pop (context->events_queue);
return event;
}
void
_clutter_event_push (const ClutterEvent *event,
gboolean do_copy)
{
ClutterContext *context = _clutter_context_get_default ();
g_assert (context != NULL);
if (do_copy)
{
ClutterEvent *copy;
copy = clutter_event_copy (event);
event = copy;
}
g_async_queue_lock (context->events_queue);
g_async_queue_push_unlocked (context->events_queue, (gpointer) event);
if (g_async_queue_length_unlocked (context->events_queue) == 1)
g_main_context_wakeup (NULL);
g_async_queue_unlock (context->events_queue);
}
/**
* 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
*/
void
clutter_event_put (const ClutterEvent *event)
{
_clutter_event_push (event, TRUE);
}
/**
* clutter_events_pending:
*
* Checks if events are pending in the event queue.
*
* Return value: TRUE if there are pending events, FALSE otherwise.
*/
gboolean
clutter_events_pending (void)
{
ClutterContext *context = _clutter_context_get_default ();
g_return_val_if_fail (context != NULL, FALSE);
return g_async_queue_length (context->events_queue) > 0;
}
/**
* clutter_get_current_event_time:
*
* Retrieves the timestamp of the last event, if there is an
* event or if the event has a timestamp.
*
* Return value: the event timestamp, or %CLUTTER_CURRENT_TIME
*/
guint32
clutter_get_current_event_time (void)
{
const ClutterEvent* event;
event = clutter_get_current_event ();
if (event != NULL)
return clutter_event_get_time (event);
return CLUTTER_CURRENT_TIME;
}
/**
* clutter_get_current_event:
*
* If an event is currently being processed, return that event.
* This function is intended to be used to access event state
* that might not be exposed by higher-level widgets. For
* example, to get the key modifier state from a Button 'clicked'
* event.
*
* Return value: (transfer none): The current ClutterEvent, or %NULL if none
*/
const ClutterEvent *
clutter_get_current_event (void)
{
ClutterContext *context = _clutter_context_get_default ();
g_return_val_if_fail (context != NULL, NULL);
return context->current_event != NULL ? context->current_event->data : NULL;
}
/**
* clutter_event_get_source_device:
* @event: a #ClutterEvent
*
* Retrieves the hardware device that originated the event.
*
* If you need the virtual device, use [method@Clutter.Event.get_device].
*
* If no hardware device originated this event, this function will
* return the same device as [method@Clutter.Event.get_device].
*
* Return value: (transfer none): a pointer to a #ClutterInputDevice
* or %NULL
*/
ClutterInputDevice *
clutter_event_get_source_device (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, NULL);
if (event->any.source_device)
return event->any.source_device;
else
return clutter_event_get_device (event);
}
/**
* clutter_event_get_axes:
* @event: a #ClutterEvent
* @n_axes: (out): return location for the number of axes returned
*
* Retrieves the array of axes values attached to the event.
*
* Return value: (transfer none): an array of axis values
*/
gdouble *
clutter_event_get_axes (const ClutterEvent *event,
guint *n_axes)
{
gdouble *retval = NULL;
switch (event->type)
{
case CLUTTER_NOTHING:
case CLUTTER_ENTER:
case CLUTTER_LEAVE:
case CLUTTER_KEY_PRESS:
case CLUTTER_KEY_RELEASE:
case CLUTTER_EVENT_LAST:
case CLUTTER_PROXIMITY_IN:
case CLUTTER_PROXIMITY_OUT:
case CLUTTER_DEVICE_ADDED:
case CLUTTER_DEVICE_REMOVED:
break;
case CLUTTER_SCROLL:
retval = event->scroll.axes;
break;
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
retval = event->button.axes;
break;
case CLUTTER_TOUCH_BEGIN:
case CLUTTER_TOUCH_UPDATE:
case CLUTTER_TOUCH_END:
case CLUTTER_TOUCH_CANCEL:
retval = event->touch.axes;
break;
case CLUTTER_MOTION:
retval = event->motion.axes;
break;
case CLUTTER_TOUCHPAD_PINCH:
case CLUTTER_TOUCHPAD_SWIPE:
case CLUTTER_TOUCHPAD_HOLD:
case CLUTTER_PAD_BUTTON_PRESS:
case CLUTTER_PAD_BUTTON_RELEASE:
case CLUTTER_PAD_STRIP:
case CLUTTER_PAD_RING:
case CLUTTER_IM_COMMIT:
case CLUTTER_IM_DELETE:
case CLUTTER_IM_PREEDIT:
break;
}
if (n_axes)
*n_axes = CLUTTER_INPUT_AXIS_LAST;
return retval;
}
/**
* clutter_event_get_distance:
* @source: a #ClutterEvent
* @target: a #ClutterEvent
*
* Retrieves the distance between two events, a @source and a @target.
*
* Return value: the distance between two #ClutterEvent
*/
float
clutter_event_get_distance (const ClutterEvent *source,
const ClutterEvent *target)
{
graphene_point_t p0, p1;
clutter_event_get_position (source, &p0);
clutter_event_get_position (source, &p1);
return graphene_point_distance (&p0, &p1, NULL, NULL);
}
/**
* clutter_event_get_angle:
* @source: a #ClutterEvent
* @target: a #ClutterEvent
*
* Retrieves the angle relative from @source to @target.
*
* The direction of the angle is from the position X axis towards
* the positive Y axis.
*
* Return value: the angle between two #ClutterEvent
*/
double
clutter_event_get_angle (const ClutterEvent *source,
const ClutterEvent *target)
{
graphene_point_t p0, p1;
float x_distance, y_distance;
double angle;
clutter_event_get_position (source, &p0);
clutter_event_get_position (target, &p1);
if (graphene_point_equal (&p0, &p1))
return 0;
graphene_point_distance (&p0, &p1, &x_distance, &y_distance);
angle = atan2 (x_distance, y_distance);
/* invert the angle, and shift it by 90 degrees */
angle = (2.0 * G_PI) - angle;
angle += G_PI / 2.0;
/* keep the angle within the [ 0, 360 ] interval */
angle = fmod (angle, 2.0 * G_PI);
return angle;
}
/**
* clutter_event_has_shift_modifier:
* @event: a #ClutterEvent
*
* Checks whether @event has the Shift modifier mask set.
*
* Return value: %TRUE if the event has the Shift modifier mask set
*/
gboolean
clutter_event_has_shift_modifier (const ClutterEvent *event)
{
return (clutter_event_get_state (event) & CLUTTER_SHIFT_MASK) != FALSE;
}
/**
* clutter_event_has_control_modifier:
* @event: a #ClutterEvent
*
* Checks whether @event has the Control modifier mask set.
*
* Return value: %TRUE if the event has the Control modifier mask set
*/
gboolean
clutter_event_has_control_modifier (const ClutterEvent *event)
{
return (clutter_event_get_state (event) & CLUTTER_CONTROL_MASK) != FALSE;
}
/**
* clutter_event_is_pointer_emulated:
* @event: a #ClutterEvent
*
* Checks whether a pointer @event has been generated by the windowing
* system. The returned value can be used to distinguish between events
* synthesized by the windowing system itself (as opposed by Clutter).
*
* Return value: %TRUE if the event is pointer emulated
*/
gboolean
clutter_event_is_pointer_emulated (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, FALSE);
return !!(event->any.flags & CLUTTER_EVENT_FLAG_POINTER_EMULATED);
}
gboolean
_clutter_event_process_filters (ClutterEvent *event,
ClutterActor *event_actor)
{
ClutterContext *context = _clutter_context_get_default ();
GList *l, *next;
/* Event filters are handled in order from least recently added to
* most recently added */
for (l = context->event_filters; l; l = next)
{
ClutterEventFilter *event_filter = l->data;
next = l->next;
if (event_filter->stage &&
event_filter->stage != CLUTTER_STAGE (clutter_actor_get_stage (event_actor)))
continue;
if (event_filter->func (event, event_actor, event_filter->user_data) == CLUTTER_EVENT_STOP)
return CLUTTER_EVENT_STOP;
}
return CLUTTER_EVENT_PROPAGATE;
}
/**
* clutter_event_add_filter:
* @stage: (allow-none): The #ClutterStage to capture events for
* @func: The callback function which will be passed all events.
* @notify: A #GDestroyNotify
* @user_data: A data pointer to pass to the function.
*
* Adds a function which will be called for all events that Clutter
* processes. The function will be called before any signals are
* emitted for the event and it will take precedence over any grabs.
*
* Return value: an identifier for the event filter, to be used
* with [func@Clutter.Event.remove_filter].
*/
guint
clutter_event_add_filter (ClutterStage *stage,
ClutterEventFilterFunc func,
GDestroyNotify notify,
gpointer user_data)
{
ClutterContext *context = _clutter_context_get_default ();
ClutterEventFilter *event_filter = g_new0 (ClutterEventFilter, 1);
static guint event_filter_id = 0;
event_filter->stage = stage;
event_filter->id = ++event_filter_id;
event_filter->func = func;
event_filter->notify = notify;
event_filter->user_data = user_data;
/* The event filters are kept in order from least recently added to
* most recently added so we must add it to the end */
context->event_filters = g_list_append (context->event_filters, event_filter);
return event_filter->id;
}
/**
* clutter_event_remove_filter:
* @id: The ID of the event filter, as returned from [func@Clutter.Event.add_filter]
*
* Removes an event filter that was previously added with
* [func@Clutter.Event.add_filter].
*/
void
clutter_event_remove_filter (guint id)
{
ClutterContext *context = _clutter_context_get_default ();
GList *l;
for (l = context->event_filters; l; l = l->next)
{
ClutterEventFilter *event_filter = l->data;
if (event_filter->id == id)
{
if (event_filter->notify)
event_filter->notify (event_filter->user_data);
context->event_filters = g_list_delete_link (context->event_filters, l);
g_free (event_filter);
return;
}
}
g_warning ("No event filter found for id: %d\n", id);
}
/**
* clutter_event_get_touchpad_gesture_finger_count:
* @event: a touchpad swipe/pinch event
*
* Returns the number of fingers that is triggering the touchpad gesture.
*
* Returns: the number of fingers in the gesture.4
**/
guint
clutter_event_get_touchpad_gesture_finger_count (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, 0);
g_return_val_if_fail (event->type == CLUTTER_TOUCHPAD_SWIPE ||
event->type == CLUTTER_TOUCHPAD_PINCH ||
event->type == CLUTTER_TOUCHPAD_HOLD, 0);
if (event->type == CLUTTER_TOUCHPAD_SWIPE)
return event->touchpad_swipe.n_fingers;
else if (event->type == CLUTTER_TOUCHPAD_PINCH)
return event->touchpad_pinch.n_fingers;
else if (event->type == CLUTTER_TOUCHPAD_HOLD)
return event->touchpad_hold.n_fingers;
return 0;
}
/**
* clutter_event_get_gesture_pinch_angle_delta:
* @event: a touchpad pinch event
*
* Returns the angle delta reported by this specific event.
*
* Returns: The angle delta relative to the previous event.4
**/
gdouble
clutter_event_get_gesture_pinch_angle_delta (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, 0);
g_return_val_if_fail (event->type == CLUTTER_TOUCHPAD_PINCH, 0);
return event->touchpad_pinch.angle_delta;
}
/**
* clutter_event_get_gesture_pinch_scale:
* @event: a touchpad pinch event
*
* Returns the current scale as reported by @event, 1.0 being the original
* distance at the time the corresponding event with phase
* %CLUTTER_TOUCHPAD_GESTURE_PHASE_BEGIN is received.
* is received.
*
* Returns: the current pinch gesture scale4
**/
gdouble
clutter_event_get_gesture_pinch_scale (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, 0);
g_return_val_if_fail (event->type == CLUTTER_TOUCHPAD_PINCH, 0);
return event->touchpad_pinch.scale;
}
/**
* clutter_event_get_gesture_phase:
* @event: a touchpad gesture event
*
* Returns the phase of the event, See #ClutterTouchpadGesturePhase.
*
* Returns: the phase of the gesture event.
**/
ClutterTouchpadGesturePhase
clutter_event_get_gesture_phase (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, 0);
g_return_val_if_fail (event->type == CLUTTER_TOUCHPAD_PINCH ||
event->type == CLUTTER_TOUCHPAD_SWIPE ||
event->type == CLUTTER_TOUCHPAD_HOLD, 0);
if (event->type == CLUTTER_TOUCHPAD_PINCH)
return event->touchpad_pinch.phase;
else if (event->type == CLUTTER_TOUCHPAD_SWIPE)
return event->touchpad_swipe.phase;
else if (event->type == CLUTTER_TOUCHPAD_HOLD)
return event->touchpad_hold.phase;
/* Shouldn't ever happen */
return CLUTTER_TOUCHPAD_GESTURE_PHASE_BEGIN;
};
/**
* clutter_event_get_gesture_motion_delta:
* @event: A clutter touchpad gesture event
* @dx: (out) (allow-none): the displacement relative to the pointer
* position in the X axis, or %NULL
* @dy: (out) (allow-none): the displacement relative to the pointer
* position in the Y axis, or %NULL
*
* Returns the gesture motion deltas relative to the current pointer
* position.4
**/
void
clutter_event_get_gesture_motion_delta (const ClutterEvent *event,
gdouble *dx,
gdouble *dy)
{
g_return_if_fail (event != NULL);
g_return_if_fail (event->type == CLUTTER_TOUCHPAD_PINCH ||
event->type == CLUTTER_TOUCHPAD_SWIPE ||
event->type == CLUTTER_TOUCHPAD_HOLD);
if (event->type == CLUTTER_TOUCHPAD_PINCH)
{
if (dx)
*dx = event->touchpad_pinch.dx;
if (dy)
*dy = event->touchpad_pinch.dy;
}
else if (event->type == CLUTTER_TOUCHPAD_SWIPE)
{
if (dx)
*dx = event->touchpad_swipe.dx;
if (dy)
*dy = event->touchpad_swipe.dy;
}
else if (event->type == CLUTTER_TOUCHPAD_HOLD)
{
if (dx)
*dx = 0;
if (dy)
*dy = 0;
}
}
/**
* clutter_event_get_gesture_motion_delta_unaccelerated:
* @event: A clutter touchpad gesture event
* @dx: (out) (allow-none): the displacement relative to the pointer
* position in the X axis, or %NULL
* @dy: (out) (allow-none): the displacement relative to the pointer
* position in the Y axis, or %NULL
*
* Returns the unaccelerated gesture motion deltas relative to the current
* pointer position. Unlike [method@Clutter.Event.get_gesture_motion_delta],
* pointer acceleration is ignored.
**/
void
clutter_event_get_gesture_motion_delta_unaccelerated (const ClutterEvent *event,
gdouble *dx,
gdouble *dy)
{
g_return_if_fail (event != NULL);
g_return_if_fail (event->type == CLUTTER_TOUCHPAD_PINCH ||
event->type == CLUTTER_TOUCHPAD_SWIPE ||
event->type == CLUTTER_TOUCHPAD_HOLD);
if (event->type == CLUTTER_TOUCHPAD_PINCH)
{
if (dx)
*dx = event->touchpad_pinch.dx_unaccel;
if (dy)
*dy = event->touchpad_pinch.dy_unaccel;
}
else if (event->type == CLUTTER_TOUCHPAD_SWIPE)
{
if (dx)
*dx = event->touchpad_swipe.dx_unaccel;
if (dy)
*dy = event->touchpad_swipe.dy_unaccel;
}
else if (event->type == CLUTTER_TOUCHPAD_HOLD)
{
if (dx)
*dx = 0;
if (dy)
*dy = 0;
}
}
/**
* clutter_event_get_scroll_source:
* @event: an scroll event
*
* Returns the #ClutterScrollSource that applies to an scroll event.
*
* Returns: The source of scroll events6
**/
ClutterScrollSource
clutter_event_get_scroll_source (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, CLUTTER_SCROLL_SOURCE_UNKNOWN);
g_return_val_if_fail (event->type == CLUTTER_SCROLL,
CLUTTER_SCROLL_SOURCE_UNKNOWN);
return event->scroll.scroll_source;
}
/**
* clutter_event_get_scroll_finish_flags:
* @event: an scroll event
*
* Returns the #ClutterScrollFinishFlags of an scroll event. Those
* can be used to determine whether post-scroll effects like kinetic
* scrolling should be applied.
*
* Returns: The scroll finish flags6
**/
ClutterScrollFinishFlags
clutter_event_get_scroll_finish_flags (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, CLUTTER_SCROLL_FINISHED_NONE);
g_return_val_if_fail (event->type == CLUTTER_SCROLL,
CLUTTER_SCROLL_FINISHED_NONE);
return event->scroll.finish_flags;
}
guint
clutter_event_get_mode_group (const ClutterEvent *event)
{
g_return_val_if_fail (event->type == CLUTTER_PAD_BUTTON_PRESS ||
event->type == CLUTTER_PAD_BUTTON_RELEASE ||
event->type == CLUTTER_PAD_RING ||
event->type == CLUTTER_PAD_STRIP, 0);
switch (event->type)
{
case CLUTTER_PAD_BUTTON_PRESS:
case CLUTTER_PAD_BUTTON_RELEASE:
return event->pad_button.group;
case CLUTTER_PAD_RING:
return event->pad_ring.group;
case CLUTTER_PAD_STRIP:
return event->pad_strip.group;
default:
return 0;
}
}
/**
* clutter_event_get_pad_details:
* @event: a pad event
* @number: (out) (optional): ring/strip/button number
* @mode: (out) (optional): pad mode as per the event
* @source: (out) (optional): source of the event
* @value: (out) (optional): event axis value
*
* Returns the details of a pad event.
*
* Returns: #TRUE if event details could be obtained
**/
gboolean
clutter_event_get_pad_details (const ClutterEvent *event,
guint *number,
guint *mode,
ClutterInputDevicePadSource *source,
gdouble *value)
{
ClutterInputDevicePadSource s;
guint n, m;
gdouble v;
g_return_val_if_fail (event != NULL, FALSE);
g_return_val_if_fail (event->type == CLUTTER_PAD_BUTTON_PRESS ||
event->type == CLUTTER_PAD_BUTTON_RELEASE ||
event->type == CLUTTER_PAD_RING ||
event->type == CLUTTER_PAD_STRIP, FALSE);
switch (event->type)
{
case CLUTTER_PAD_BUTTON_PRESS:
case CLUTTER_PAD_BUTTON_RELEASE:
n = event->pad_button.button;
m = event->pad_button.mode;
s = CLUTTER_INPUT_DEVICE_PAD_SOURCE_UNKNOWN;
v = 0.0;
break;
case CLUTTER_PAD_RING:
n = event->pad_ring.ring_number;
m = event->pad_ring.mode;
s = event->pad_ring.ring_source;
v = event->pad_ring.angle;
break;
case CLUTTER_PAD_STRIP:
n = event->pad_strip.strip_number;
m = event->pad_strip.mode;
s = event->pad_strip.strip_source;
v = event->pad_strip.value;
break;
default:
return FALSE;
}
if (number)
*number = n;
if (mode)
*mode = m;
if (source)
*source = s;
if (value)
*value = v;
return TRUE;
}
uint32_t
clutter_event_get_event_code (const ClutterEvent *event)
{
if (event->type == CLUTTER_KEY_PRESS ||
event->type == CLUTTER_KEY_RELEASE)
return event->key.evdev_code;
else if (event->type == CLUTTER_BUTTON_PRESS ||
event->type == CLUTTER_BUTTON_RELEASE)
return event->button.evdev_code;
return 0;
}
int32_t
clutter_event_sequence_get_slot (const ClutterEventSequence *sequence)
{
g_return_val_if_fail (sequence != NULL, -1);
return GPOINTER_TO_INT (sequence) - 1;
}
int64_t
clutter_event_get_time_us (const ClutterEvent *event)
{
return event->any.time_us;
}
gboolean
clutter_event_get_relative_motion (const ClutterEvent *event,
double *dx,
double *dy,
double *dx_unaccel,
double *dy_unaccel,
double *dx_constrained,
double *dy_constrained)
{
if (event->type == CLUTTER_MOTION &&
event->motion.flags & CLUTTER_EVENT_FLAG_RELATIVE_MOTION)
{
if (dx)
*dx = event->motion.dx;
if (dy)
*dy = event->motion.dy;
if (dx_unaccel)
*dx_unaccel = event->motion.dx_unaccel;
if (dy_unaccel)
*dy_unaccel = event->motion.dy_unaccel;
if (dx_constrained)
*dx_constrained = event->motion.dx_constrained;
if (dy_constrained)
*dy_constrained = event->motion.dy_constrained;
return TRUE;
}
else
return FALSE;
}
const char *
clutter_event_get_im_text (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, NULL);
g_return_val_if_fail (event->type == CLUTTER_IM_COMMIT ||
event->type == CLUTTER_IM_PREEDIT, NULL);
return event->im.text;
}
gboolean
clutter_event_get_im_location (const ClutterEvent *event,
int32_t *offset,
int32_t *anchor)
{
g_return_val_if_fail (event != NULL, FALSE);
g_return_val_if_fail (event->type == CLUTTER_IM_DELETE ||
event->type == CLUTTER_IM_PREEDIT, FALSE);
if (offset)
*offset = event->im.offset;
if (anchor)
*anchor = event->im.anchor;
return TRUE;
}
uint32_t
clutter_event_get_im_delete_length (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, 0);
g_return_val_if_fail (event->type == CLUTTER_IM_DELETE, 0);
return event->im.len;
}
ClutterPreeditResetMode
clutter_event_get_im_preedit_reset_mode (const ClutterEvent *event)
{
g_return_val_if_fail (event != NULL, CLUTTER_PREEDIT_RESET_CLEAR);
g_return_val_if_fail (event->type == CLUTTER_IM_COMMIT ||
event->type == CLUTTER_IM_PREEDIT,
CLUTTER_PREEDIT_RESET_CLEAR);
return event->im.mode;
}
const char *
clutter_event_get_name (const ClutterEvent *event)
{
switch (event->type)
{
case CLUTTER_KEY_PRESS:
return "key-press";
case CLUTTER_KEY_RELEASE:
return "key-release";
case CLUTTER_MOTION:
return "motion";
case CLUTTER_ENTER:
return "enter";
case CLUTTER_LEAVE:
return "leave";
case CLUTTER_BUTTON_PRESS:
return "button-press";
case CLUTTER_BUTTON_RELEASE:
return "button-release";
case CLUTTER_SCROLL:
return "scroll";
case CLUTTER_TOUCH_BEGIN:
return "touch-begin";
case CLUTTER_TOUCH_UPDATE:
return "touch-update";
case CLUTTER_TOUCH_END:
return "touch-end";
case CLUTTER_TOUCH_CANCEL:
return "touch-cancel";
case CLUTTER_TOUCHPAD_PINCH:
return "touchpad-pinch";
case CLUTTER_TOUCHPAD_SWIPE:
return "touchpad-swipe";
case CLUTTER_TOUCHPAD_HOLD:
return "touchpad-hold";
case CLUTTER_PROXIMITY_IN:
return "proximity-in";
case CLUTTER_PROXIMITY_OUT:
return "proximity-out";
case CLUTTER_PAD_BUTTON_PRESS:
return "pad-button-press";
case CLUTTER_PAD_BUTTON_RELEASE:
return "pad-button-release";
case CLUTTER_PAD_STRIP:
return "pad-strip";
case CLUTTER_PAD_RING:
return "pad-ring";
case CLUTTER_DEVICE_ADDED:
return "device-added";
case CLUTTER_DEVICE_REMOVED:
return "device-removed";
case CLUTTER_IM_COMMIT:
return "im-commit";
case CLUTTER_IM_DELETE:
return "im-delete";
case CLUTTER_IM_PREEDIT:
return "im-preedit";
case CLUTTER_NOTHING:
case CLUTTER_EVENT_LAST:
break;
}
g_assert_not_reached ();
}
ClutterEvent *
clutter_event_key_new (ClutterEventType type,
ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterModifierSet raw_modifiers,
ClutterModifierType modifiers,
uint32_t keyval,
uint32_t evcode,
uint32_t keycode,
gunichar unicode_value)
{
ClutterEvent *event;
ClutterSeat *seat;
g_return_val_if_fail (type == CLUTTER_KEY_PRESS ||
type == CLUTTER_KEY_RELEASE, NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
seat = clutter_input_device_get_seat (source_device);
event = clutter_event_new (type);
event->key.time_us = timestamp_us;
event->key.flags = flags;
event->key.raw_modifiers = raw_modifiers;
event->key.modifier_state = modifiers;
event->key.keyval = keyval;
event->key.hardware_keycode = keycode;
event->key.unicode_value = unicode_value;
event->key.evdev_code = evcode;
g_set_object (&event->key.device, clutter_seat_get_keyboard (seat));
g_set_object (&event->key.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_button_new (ClutterEventType type,
ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterInputDeviceTool *tool,
ClutterModifierType modifiers,
graphene_point_t coords,
int button,
uint32_t evcode,
double *axes)
{
ClutterEvent *event;
g_return_val_if_fail (type == CLUTTER_BUTTON_PRESS ||
type == CLUTTER_BUTTON_RELEASE, NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
g_return_val_if_fail (!tool || CLUTTER_IS_INPUT_DEVICE_TOOL (tool), NULL);
event = clutter_event_new (type);
event->button.time_us = timestamp_us;
event->button.flags = flags;
event->button.x = coords.x;
event->button.y = coords.y;
event->button.modifier_state = modifiers;
event->button.button = button;
event->button.axes = axes;
event->button.evdev_code = evcode;
event->button.tool = tool;
g_set_object (&event->button.source_device, source_device);
if (clutter_input_device_get_device_mode (source_device) ==
CLUTTER_INPUT_MODE_FLOATING)
{
g_set_object (&event->button.device, source_device);
}
else
{
ClutterSeat *seat;
seat = clutter_input_device_get_seat (source_device);
g_set_object (&event->button.device, clutter_seat_get_pointer (seat));
}
return event;
}
ClutterEvent *
clutter_event_motion_new (ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterInputDeviceTool *tool,
ClutterModifierType modifiers,
graphene_point_t coords,
graphene_point_t delta,
graphene_point_t delta_unaccel,
graphene_point_t delta_constrained,
double *axes)
{
ClutterEvent *event;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
g_return_val_if_fail (!tool || CLUTTER_IS_INPUT_DEVICE_TOOL (tool), NULL);
event = clutter_event_new (CLUTTER_MOTION);
event->motion.time_us = timestamp_us;
event->motion.flags = flags;
event->motion.x = coords.x;
event->motion.y = coords.y;
event->motion.modifier_state = modifiers;
event->motion.axes = axes;
event->motion.dx = delta.x;
event->motion.dy = delta.y;
event->motion.dx_unaccel = delta_unaccel.x;
event->motion.dy_unaccel = delta_unaccel.y;
event->motion.dx_constrained = delta_constrained.x;
event->motion.dy_constrained = delta_constrained.y;
event->motion.tool = tool;
g_set_object (&event->motion.source_device, source_device);
if (clutter_input_device_get_device_mode (source_device) ==
CLUTTER_INPUT_MODE_FLOATING)
{
g_set_object (&event->motion.device, source_device);
}
else
{
ClutterSeat *seat;
seat = clutter_input_device_get_seat (source_device);
g_set_object (&event->motion.device, clutter_seat_get_pointer (seat));
}
return event;
}
ClutterEvent *
clutter_event_scroll_smooth_new (ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterInputDeviceTool *tool,
ClutterModifierType modifiers,
graphene_point_t coords,
graphene_point_t delta,
ClutterScrollSource scroll_source,
ClutterScrollFinishFlags finish_flags)
{
ClutterEvent *event;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
g_return_val_if_fail (!tool || CLUTTER_IS_INPUT_DEVICE_TOOL (tool), NULL);
event = clutter_event_new (CLUTTER_SCROLL);
event->scroll.time_us = timestamp_us;
event->scroll.flags = flags;
event->scroll.x = coords.x;
event->scroll.y = coords.y;
event->scroll.delta_x = delta.x;
event->scroll.delta_y = delta.y;
event->scroll.direction = CLUTTER_SCROLL_SMOOTH;
event->scroll.modifier_state = modifiers;
event->scroll.scroll_source = scroll_source;
event->scroll.finish_flags = finish_flags;
event->scroll.tool = tool;
g_set_object (&event->scroll.source_device, source_device);
if (clutter_input_device_get_device_mode (source_device) ==
CLUTTER_INPUT_MODE_FLOATING)
{
g_set_object (&event->scroll.device, source_device);
}
else
{
ClutterSeat *seat;
seat = clutter_input_device_get_seat (source_device);
g_set_object (&event->scroll.device, clutter_seat_get_pointer (seat));
}
return event;
}
ClutterEvent *
clutter_event_scroll_discrete_new (ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterInputDeviceTool *tool,
ClutterModifierType modifiers,
graphene_point_t coords,
ClutterScrollSource scroll_source,
ClutterScrollDirection direction)
{
ClutterEvent *event;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
g_return_val_if_fail (!tool || CLUTTER_IS_INPUT_DEVICE_TOOL (tool), NULL);
event = clutter_event_new (CLUTTER_SCROLL);
event->scroll.time_us = timestamp_us;
event->scroll.flags = flags;
event->scroll.x = coords.x;
event->scroll.y = coords.y;
event->scroll.direction = direction;
event->scroll.scroll_source = scroll_source;
event->scroll.modifier_state = modifiers;
event->scroll.tool = tool;
g_set_object (&event->scroll.source_device, source_device);
if (clutter_input_device_get_device_mode (source_device) ==
CLUTTER_INPUT_MODE_FLOATING)
{
g_set_object (&event->scroll.device, source_device);
}
else
{
ClutterSeat *seat;
seat = clutter_input_device_get_seat (source_device);
g_set_object (&event->scroll.device, clutter_seat_get_pointer (seat));
}
return event;
}
ClutterEvent *
clutter_event_crossing_new (ClutterEventType type,
ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterEventSequence *sequence,
graphene_point_t coords,
ClutterActor *source,
ClutterActor *related)
{
ClutterInputDevice *device;
ClutterEvent *event;
g_return_val_if_fail (type == CLUTTER_ENTER ||
type == CLUTTER_LEAVE, NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
if (clutter_input_device_get_device_mode (source_device) ==
CLUTTER_INPUT_MODE_FLOATING)
{
device = source_device;
}
else
{
ClutterSeat *seat;
seat = clutter_input_device_get_seat (source_device);
device = clutter_seat_get_pointer (seat);
}
event = clutter_event_new (type);
event->crossing.time_us = timestamp_us;
event->crossing.flags = flags;
event->crossing.x = coords.x;
event->crossing.y = coords.y;
event->crossing.sequence = sequence;
event->crossing.source = source;
event->crossing.related = related;
g_set_object (&event->crossing.device, device);
g_set_object (&event->crossing.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_touch_new (ClutterEventType type,
ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterEventSequence *sequence,
ClutterModifierType modifiers,
graphene_point_t coords)
{
ClutterEvent *event;
ClutterSeat *seat;
g_return_val_if_fail (type == CLUTTER_TOUCH_BEGIN ||
type == CLUTTER_TOUCH_UPDATE ||
type == CLUTTER_TOUCH_END, NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
g_return_val_if_fail (sequence != NULL, NULL);
seat = clutter_input_device_get_seat (source_device);
event = clutter_event_new (type);
event->touch.time_us = timestamp_us;
event->touch.flags = flags;
event->touch.x = coords.x;
event->touch.y = coords.y;
event->touch.modifier_state = modifiers;
event->touch.sequence = sequence;
/* This has traditionally been the virtual pointer device */
g_set_object (&event->touch.device, clutter_seat_get_pointer (seat));
g_set_object (&event->touch.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_touch_cancel_new (ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterEventSequence *sequence)
{
ClutterEvent *event;
ClutterSeat *seat;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
g_return_val_if_fail (sequence != NULL, NULL);
seat = clutter_input_device_get_seat (source_device);
event = clutter_event_new (CLUTTER_TOUCH_CANCEL);
event->touch.time_us = timestamp_us;
event->touch.flags = flags;
event->touch.sequence = sequence;
/* This has traditionally been the virtual pointer device */
g_set_object (&event->touch.device, clutter_seat_get_pointer (seat));
g_set_object (&event->touch.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_proximity_new (ClutterEventType type,
ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterInputDeviceTool *tool)
{
ClutterEvent *event;
g_return_val_if_fail (type == CLUTTER_PROXIMITY_IN ||
type == CLUTTER_PROXIMITY_OUT, NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE_TOOL (tool), NULL);
event = clutter_event_new (type);
event->proximity.time_us = timestamp_us;
event->proximity.flags = flags;
event->proximity.tool = tool;
g_set_object (&event->proximity.device, source_device);
g_set_object (&event->proximity.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_touchpad_pinch_new (ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterTouchpadGesturePhase phase,
uint32_t fingers,
graphene_point_t coords,
graphene_point_t delta,
graphene_point_t delta_unaccel,
float angle,
float scale)
{
ClutterEvent *event;
ClutterSeat *seat;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
seat = clutter_input_device_get_seat (source_device);
event = clutter_event_new (CLUTTER_TOUCHPAD_PINCH);
event->touchpad_pinch.time_us = timestamp_us;
event->touchpad_pinch.flags = flags;
event->touchpad_pinch.phase = phase;
event->touchpad_pinch.x = coords.x;
event->touchpad_pinch.y = coords.y;
event->touchpad_pinch.dx = delta.x;
event->touchpad_pinch.dy = delta.y;
event->touchpad_pinch.dx_unaccel = delta_unaccel.x;
event->touchpad_pinch.dy_unaccel = delta_unaccel.y;
event->touchpad_pinch.angle_delta = angle;
event->touchpad_pinch.scale = scale;
event->touchpad_pinch.n_fingers = fingers;
g_set_object (&event->touchpad_pinch.device, clutter_seat_get_pointer (seat));
g_set_object (&event->touchpad_pinch.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_touchpad_swipe_new (ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterTouchpadGesturePhase phase,
uint32_t fingers,
graphene_point_t coords,
graphene_point_t delta,
graphene_point_t delta_unaccel)
{
ClutterEvent *event;
ClutterSeat *seat;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
seat = clutter_input_device_get_seat (source_device);
event = clutter_event_new (CLUTTER_TOUCHPAD_SWIPE);
event->touchpad_swipe.time_us = timestamp_us;
event->touchpad_swipe.flags = flags;
event->touchpad_swipe.phase = phase;
event->touchpad_swipe.x = coords.x;
event->touchpad_swipe.y = coords.y;
event->touchpad_swipe.dx = delta.x;
event->touchpad_swipe.dy = delta.y;
event->touchpad_swipe.dx_unaccel = delta_unaccel.x;
event->touchpad_swipe.dy_unaccel = delta_unaccel.y;
event->touchpad_swipe.n_fingers = fingers;
g_set_object (&event->touchpad_swipe.device, clutter_seat_get_pointer (seat));
g_set_object (&event->touchpad_swipe.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_touchpad_hold_new (ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterTouchpadGesturePhase phase,
uint32_t fingers,
graphene_point_t coords)
{
ClutterEvent *event;
ClutterSeat *seat;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
seat = clutter_input_device_get_seat (source_device);
event = clutter_event_new (CLUTTER_TOUCHPAD_HOLD);
event->touchpad_hold.time_us = timestamp_us;
event->touchpad_hold.flags = flags;
event->touchpad_hold.phase = phase;
event->touchpad_hold.x = coords.x;
event->touchpad_hold.y = coords.y;
event->touchpad_hold.n_fingers = fingers;
g_set_object (&event->touchpad_hold.device, clutter_seat_get_pointer (seat));
g_set_object (&event->touchpad_hold.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_pad_button_new (ClutterEventType type,
ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
uint32_t button,
uint32_t group,
uint32_t mode)
{
ClutterEvent *event;
g_return_val_if_fail (type == CLUTTER_PAD_BUTTON_PRESS ||
type == CLUTTER_PAD_BUTTON_RELEASE, NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
event = clutter_event_new (type);
event->pad_button.time_us = timestamp_us;
event->pad_button.flags = flags;
event->pad_button.button = button;
event->pad_button.group = group;
event->pad_button.mode = mode;
g_set_object (&event->pad_button.device, source_device);
g_set_object (&event->pad_button.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_pad_strip_new (ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterInputDevicePadSource strip_source,
uint32_t strip,
uint32_t group,
double value,
uint32_t mode)
{
ClutterEvent *event;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
event = clutter_event_new (CLUTTER_PAD_STRIP);
event->pad_strip.time_us = timestamp_us;
event->pad_strip.flags = flags;
event->pad_strip.strip_source = strip_source;
event->pad_strip.strip_number = strip;
event->pad_strip.group = group;
event->pad_strip.value = value;
event->pad_strip.mode = mode;
g_set_object (&event->pad_strip.device, source_device);
g_set_object (&event->pad_strip.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_pad_ring_new (ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device,
ClutterInputDevicePadSource ring_source,
uint32_t ring,
uint32_t group,
double angle,
uint32_t mode)
{
ClutterEvent *event;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
event = clutter_event_new (CLUTTER_PAD_RING);
event->pad_ring.time_us = timestamp_us;
event->pad_ring.flags = flags;
event->pad_ring.ring_source = ring_source;
event->pad_ring.ring_number = ring;
event->pad_ring.group = group;
event->pad_ring.angle = angle;
event->pad_ring.mode = mode;
g_set_object (&event->pad_ring.device, source_device);
g_set_object (&event->pad_ring.source_device, source_device);
return event;
}
ClutterEvent *
clutter_event_device_notify_new (ClutterEventType type,
ClutterEventFlags flags,
int64_t timestamp_us,
ClutterInputDevice *source_device)
{
ClutterEvent *event;
g_return_val_if_fail (type == CLUTTER_DEVICE_ADDED ||
type == CLUTTER_DEVICE_REMOVED, NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (source_device), NULL);
event = clutter_event_new (type);
event->device.time_us = timestamp_us;
event->device.flags = flags;
g_set_object (&event->device.device, source_device);
return event;
}
ClutterEvent *
clutter_event_im_new (ClutterEventType type,
ClutterEventFlags flags,
int64_t timestamp_us,
ClutterSeat *seat,
const char *text,
int32_t offset,
int32_t anchor,
uint32_t len,
ClutterPreeditResetMode mode)
{
ClutterEvent *event;
g_return_val_if_fail (type == CLUTTER_IM_COMMIT ||
type == CLUTTER_IM_DELETE ||
type == CLUTTER_IM_PREEDIT, NULL);
event = clutter_event_new (type);
event->im.time_us = timestamp_us;
event->im.flags = flags;
event->im.text = g_strdup (text);
event->im.offset = offset;
event->im.anchor = anchor;
event->im.len = len;
event->im.mode = mode;
g_set_object (&event->im.device, clutter_seat_get_keyboard (seat));
return event;
}
static const char *
scroll_source_to_string (ClutterScrollSource scroll_source)
{
switch (scroll_source)
{
case CLUTTER_SCROLL_SOURCE_UNKNOWN:
return "unknown";
case CLUTTER_SCROLL_SOURCE_WHEEL:
return "wheel";
case CLUTTER_SCROLL_SOURCE_FINGER:
return "finger";
case CLUTTER_SCROLL_SOURCE_CONTINUOUS:
return "continuous";
}
g_return_val_if_reached ("");
}
static const char *
touchpad_gesture_phase_to_string (ClutterTouchpadGesturePhase phase)
{
switch (phase)
{
case CLUTTER_TOUCHPAD_GESTURE_PHASE_BEGIN:
return "begin";
case CLUTTER_TOUCHPAD_GESTURE_PHASE_UPDATE:
return "update";
case CLUTTER_TOUCHPAD_GESTURE_PHASE_END:
return "end";
case CLUTTER_TOUCHPAD_GESTURE_PHASE_CANCEL:
return "cancel";
}
g_return_val_if_reached ("");
}
static const char *
pad_source_to_string (ClutterInputDevicePadSource pad_source)
{
switch (pad_source)
{
case CLUTTER_INPUT_DEVICE_PAD_SOURCE_UNKNOWN:
return "unknown";
case CLUTTER_INPUT_DEVICE_PAD_SOURCE_FINGER:
return "finger";
}
g_return_val_if_reached ("");
}
static const char *
scroll_direction_to_string (ClutterScrollDirection scroll_direction)
{
switch (scroll_direction)
{
case CLUTTER_SCROLL_SMOOTH:
g_warn_if_reached ();
return "";
case CLUTTER_SCROLL_LEFT:
return "left";
case CLUTTER_SCROLL_RIGHT:
return "right";
case CLUTTER_SCROLL_UP:
return "up";
case CLUTTER_SCROLL_DOWN:
return "down";
}
g_return_val_if_reached ("");
}
static char *
generate_event_description (const ClutterEvent *event)
{
switch (event->type)
{
case CLUTTER_KEY_PRESS:
case CLUTTER_KEY_RELEASE:
if (g_strcmp0 (g_getenv ("MUTTER_DEBUG_LOG_KEYCODES"), "1") == 0)
{
char unicode[7] = {};
if (event->key.unicode_value)
g_unichar_to_utf8 (event->key.unicode_value, unicode);
return g_strdup_printf ("keycode=%u, evdev=%u, "
"keysym=%u, unicode='%s'",
event->key.hardware_keycode,
event->key.evdev_code,
event->key.keyval,
event->key.unicode_value ? unicode : "N\\A");
}
else
{
return g_strdup ("(hidden)");
}
case CLUTTER_MOTION:
return g_strdup_printf ("abs=(%f, %f), rel=(%f, %f), unaccel-rel=(%f, %f)",
event->motion.x,
event->motion.y,
event->motion.dx,
event->motion.dy,
event->motion.dx_unaccel,
event->motion.dy_unaccel);
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
return g_strdup_printf ("button=%u, evdev=%u",
event->button.button,
event->button.evdev_code);
case CLUTTER_SCROLL:
if (event->scroll.direction == CLUTTER_SCROLL_SMOOTH)
{
double dx, dy;
ClutterScrollSource scroll_source;
clutter_event_get_scroll_delta (event, &dx, &dy);
scroll_source = event->scroll.scroll_source;
return g_strdup_printf ("source=%s, rel: (%f, %f)",
scroll_source_to_string (scroll_source),
dx, dy);
}
else
{
ClutterScrollDirection direction = event->scroll.direction;
return g_strdup_printf ("direction=%s",
scroll_direction_to_string (direction));
}
case CLUTTER_TOUCH_BEGIN:
case CLUTTER_TOUCH_UPDATE:
case CLUTTER_TOUCH_END:
case CLUTTER_TOUCH_CANCEL:
return g_strdup_printf ("slot=%d, abs=(%f, %f)",
GPOINTER_TO_INT (event->touch.sequence),
event->touch.x,
event->touch.y);
case CLUTTER_TOUCHPAD_PINCH:
return g_strdup_printf ("phase=%s, rel=(%f, %f), unaccel-rel=(%f, %f), "
"angle-delta=%f, scale=%f, n-fingers=%d",
touchpad_gesture_phase_to_string (event->touchpad_pinch.phase),
event->touchpad_pinch.dx,
event->touchpad_pinch.dy,
event->touchpad_pinch.dx_unaccel,
event->touchpad_pinch.dy_unaccel,
event->touchpad_pinch.angle_delta,
event->touchpad_pinch.scale,
event->touchpad_pinch.n_fingers);
case CLUTTER_TOUCHPAD_SWIPE:
return g_strdup_printf ("phase=%s, rel=(%f, %f), unaccel-rel=(%f, %f), "
"n-fingers=%d",
touchpad_gesture_phase_to_string (event->touchpad_pinch.phase),
event->touchpad_swipe.dx,
event->touchpad_swipe.dy,
event->touchpad_swipe.dx_unaccel,
event->touchpad_swipe.dy_unaccel,
event->touchpad_swipe.n_fingers);
case CLUTTER_TOUCHPAD_HOLD:
return g_strdup_printf ("phase=%s, n-fingers=%d",
touchpad_gesture_phase_to_string (event->touchpad_pinch.phase),
event->touchpad_hold.n_fingers);
case CLUTTER_PROXIMITY_IN:
case CLUTTER_PROXIMITY_OUT:
return g_strdup ("");
case CLUTTER_PAD_BUTTON_PRESS:
case CLUTTER_PAD_BUTTON_RELEASE:
return g_strdup_printf ("button=%u, group=%u, mode=%u",
event->pad_button.button,
event->pad_button.group,
event->pad_button.mode);
case CLUTTER_PAD_STRIP:
return g_strdup_printf ("source=%s (%d), value=%f, group=%u, mode=%u",
pad_source_to_string (event->pad_strip.strip_source),
event->pad_strip.strip_number,
event->pad_strip.value,
event->pad_strip.group,
event->pad_strip.mode);
case CLUTTER_PAD_RING:
return g_strdup_printf ("source=%s (%d), angle=%f, group=%u, mode=%u",
pad_source_to_string (event->pad_ring.ring_source),
event->pad_ring.ring_number,
event->pad_ring.angle,
event->pad_ring.group,
event->pad_ring.mode);
case CLUTTER_DEVICE_ADDED:
case CLUTTER_DEVICE_REMOVED:
{
ClutterInputDevice *device;
device = clutter_event_get_device (event);
return g_strdup_printf ("%s (%s)",
clutter_input_device_get_device_name (device),
clutter_input_device_get_device_node (device));
}
default:
g_warn_if_reached ();
return g_strdup ("");
}
}
static char *
generate_modifiers_description (const ClutterEvent *event)
{
ClutterModifierType modifiers;
GString *str;
modifiers = clutter_event_get_state (event);
if (modifiers == 0)
return g_strdup ("none");
str = g_string_new (NULL);
if (modifiers & CLUTTER_SHIFT_MASK)
g_string_append (str, "shift ");
if (modifiers & CLUTTER_LOCK_MASK)
g_string_append (str, "lock ");
if (modifiers & CLUTTER_CONTROL_MASK)
g_string_append (str, "control ");
if (modifiers & CLUTTER_MOD1_MASK)
g_string_append (str, "mod1 ");
if (modifiers & CLUTTER_MOD2_MASK)
g_string_append (str, "mod2 ");
if (modifiers & CLUTTER_MOD3_MASK)
g_string_append (str, "mod3 ");
if (modifiers & CLUTTER_MOD4_MASK)
g_string_append (str, "mod4 ");
if (modifiers & CLUTTER_MOD5_MASK)
g_string_append (str, "mod5 ");
if (modifiers & CLUTTER_BUTTON1_MASK)
g_string_append (str, "button1 ");
if (modifiers & CLUTTER_BUTTON2_MASK)
g_string_append (str, "button2 ");
if (modifiers & CLUTTER_BUTTON3_MASK)
g_string_append (str, "button3 ");
if (modifiers & CLUTTER_BUTTON4_MASK)
g_string_append (str, "button4 ");
if (modifiers & CLUTTER_BUTTON5_MASK)
g_string_append (str, "button5 ");
if (modifiers & CLUTTER_SUPER_MASK)
g_string_append (str, "super ");
if (modifiers & CLUTTER_HYPER_MASK)
g_string_append (str, "hyper ");
if (modifiers & CLUTTER_META_MASK)
g_string_append (str, "meta ");
if (modifiers & CLUTTER_RELEASE_MASK)
g_string_append (str, "release ");
/* Delete trailing space */
g_string_erase (str, str->len - 1, 1);
return g_string_free_and_steal (str);
}
char *
clutter_event_describe (const ClutterEvent *event)
{
g_autofree char *event_description = NULL;
g_autofree char *modifiers_description = NULL;
ClutterInputDevice *source_device;
source_device = clutter_event_get_source_device (event);
event_description = generate_event_description (event);
modifiers_description = generate_modifiers_description (event);
return g_strdup_printf ("'%s'%s%s, time=%" G_GINT64_FORMAT " us, modifiers=%s, %s",
clutter_event_get_name (event),
source_device ? " from " : "",
source_device ?
clutter_input_device_get_device_node (source_device) :
"",
event->any.time_us,
modifiers_description,
event_description);
}
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