static void
gtk_gesture_multi_press_begin (GtkGesture *gesture,
GdkEventSequence *sequence)
{
GtkGestureMultiPress *multi_press;
GtkGestureMultiPressPrivate *priv;
guint n_presses, button = 1;
GdkEventSequence *current;
const GdkEvent *event;
GdkDevice *device;
gdouble x, y;
if (!gtk_gesture_handles_sequence (gesture, sequence))
return;
multi_press = GTK_GESTURE_MULTI_PRESS (gesture);
priv = gtk_gesture_multi_press_get_instance_private (multi_press);
event = gtk_gesture_get_last_event (gesture, sequence);
current = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
device = gdk_event_get_source_device (event);
if (event->type == GDK_BUTTON_PRESS)
button = event->button.button;
else if (event->type == GDK_TOUCH_BEGIN)
button = 1;
else
return;
/* Reset the gesture if the button number changes mid-recognition */
if (priv->n_presses > 0 &&
priv->current_button != button)
_gtk_gesture_multi_press_stop (multi_press);
/* Reset also if the device changed */
if (priv->current_device && priv->current_device != device)
_gtk_gesture_multi_press_stop (multi_press);
priv->current_device = device;
priv->current_button = button;
_gtk_gesture_multi_press_update_timeout (multi_press);
gtk_gesture_get_point (gesture, current, &x, &y);
if (!_gtk_gesture_multi_press_check_within_threshold (multi_press, x, y))
_gtk_gesture_multi_press_stop (multi_press);
/* Increment later the real counter, just if the gesture is
* reset on the pressed handler */
n_presses = priv->n_release = priv->n_presses + 1;
g_signal_emit (gesture, signals[PRESSED], 0, n_presses, x, y);
if (priv->n_presses == 0)
{
priv->initial_press_x = x;
priv->initial_press_y = y;
}
priv->n_presses++;
}
void PageClientImpl::doneWithTouchEvent(const NativeWebTouchEvent& event, bool wasEventHandled)
{
if (wasEventHandled)
return;
#if HAVE(GTK_GESTURES)
GestureController& gestureController = webkitWebViewBaseGestureController(WEBKIT_WEB_VIEW_BASE(m_viewWidget));
if (gestureController.handleEvent(event.nativeEvent()))
return;
#endif
// Emulate pointer events if unhandled.
const GdkEvent* touchEvent = event.nativeEvent();
if (!touchEvent->touch.emulating_pointer)
return;
GUniquePtr<GdkEvent> pointerEvent;
if (touchEvent->type == GDK_TOUCH_UPDATE) {
pointerEvent.reset(gdk_event_new(GDK_MOTION_NOTIFY));
pointerEvent->motion.time = touchEvent->touch.time;
pointerEvent->motion.x = touchEvent->touch.x;
pointerEvent->motion.y = touchEvent->touch.y;
pointerEvent->motion.x_root = touchEvent->touch.x_root;
pointerEvent->motion.y_root = touchEvent->touch.y_root;
pointerEvent->motion.state = touchEvent->touch.state | GDK_BUTTON1_MASK;
} else {
switch (touchEvent->type) {
case GDK_TOUCH_END:
pointerEvent.reset(gdk_event_new(GDK_BUTTON_RELEASE));
pointerEvent->button.state = touchEvent->touch.state | GDK_BUTTON1_MASK;
break;
case GDK_TOUCH_BEGIN:
pointerEvent.reset(gdk_event_new(GDK_BUTTON_PRESS));
break;
default:
ASSERT_NOT_REACHED();
}
pointerEvent->button.button = 1;
pointerEvent->button.time = touchEvent->touch.time;
pointerEvent->button.x = touchEvent->touch.x;
pointerEvent->button.y = touchEvent->touch.y;
pointerEvent->button.x_root = touchEvent->touch.x_root;
pointerEvent->button.y_root = touchEvent->touch.y_root;
}
gdk_event_set_device(pointerEvent.get(), gdk_event_get_device(touchEvent));
gdk_event_set_source_device(pointerEvent.get(), gdk_event_get_source_device(touchEvent));
pointerEvent->any.window = GDK_WINDOW(g_object_ref(touchEvent->any.window));
pointerEvent->any.send_event = TRUE;
gtk_widget_event(m_viewWidget, pointerEvent.get());
}
gboolean on_buttonpress (GtkWidget *win,
GdkEventButton *ev,
gpointer user_data)
{
GromitData *data = (GromitData *) user_data;
gdouble pressure = 0.5;
/* get the data for this device */
GdkDevice *master = ev->device;
GromitDeviceData *masterdata =
g_hash_table_lookup(data->devdatatable, master);
GdkDevice *slave =
gdk_event_get_source_device ((GdkEvent *) ev);
GromitDeviceData *slavedata =
g_hash_table_lookup(data->devdatatable, slave);
if(data->debug)
g_printerr("DEBUG: Device '%s': Button %i Down at (x,y)=(%.2f : %.2f)\n",
gdk_device_get_name(slave), ev->button, ev->x, ev->y);
if (!masterdata->is_grabbed)
return FALSE;
/* See GdkModifierType. Am I fixing a Gtk misbehaviour??? */
ev->state |= 1 << (ev->button + 7);
if (ev->state != masterdata->state ||
ev->state != slavedata->state ||
masterdata->lastslave != slave)
select_tool (data, master, slave, ev->state);
slavedata->lastx = ev->x;
slavedata->lasty = ev->y;
slavedata->motion_time = ev->time;
snap_undo_state (data);
if (gdk_device_get_source(slave) == GDK_SOURCE_MOUSE)
{
data->maxwidth = slavedata->cur_context->width;
}
else
{
gdk_event_get_axis ((GdkEvent *) ev, GDK_AXIS_PRESSURE, &pressure);
data->maxwidth = (CLAMP (pressure + line_thickener, 0, 1) *
(double) (slavedata->cur_context->width -
slavedata->cur_context->minwidth) +
slavedata->cur_context->minwidth);
}
if (ev->button <= 5)
draw_line (data, slave, ev->x, ev->y, ev->x, ev->y);
coord_list_prepend (data, slave, ev->x, ev->y, data->maxwidth);
return TRUE;
}
static gboolean
tooltips_enabled (GdkEvent *event)
{
GdkDevice *source_device;
GdkInputSource source;
source_device = gdk_event_get_source_device (event);
if (!source_device)
return FALSE;
source = gdk_device_get_source (source_device);
if (source != GDK_SOURCE_TOUCHSCREEN)
return TRUE;
return FALSE;
}
gboolean on_buttonrelease (GtkWidget *win,
GdkEventButton *ev,
gpointer user_data)
{
GromitData *data = (GromitData *) user_data;
/* get the data for this device */
GdkDevice *master = ev->device;
GromitDeviceData *masterdata =
g_hash_table_lookup(data->devdatatable, master);
GdkDevice *slave =
gdk_event_get_source_device ((GdkEvent *) ev);
GromitDeviceData *slavedata =
g_hash_table_lookup(data->devdatatable, slave);
if(data->debug)
g_printerr("DEBUG: Device '%s': Button %i Up at (x,y)=(%.2f : %.2f)\n",
gdk_device_get_name(slave), ev->button, ev->x, ev->y);
gfloat direction = 0;
gint width = 0;
if(slavedata->cur_context)
width = slavedata->cur_context->arrowsize *
slavedata->cur_context->width / 2;
if ((ev->x != slavedata->lastx) ||
(ev->y != slavedata->lasty))
on_motion(win, (GdkEventMotion *) ev, user_data);
if (!masterdata->is_grabbed)
return FALSE;
if (slavedata->cur_context->arrowsize != 0 &&
coord_list_get_arrow_param (data, slave, width * 3,
&width, &direction))
draw_arrow (data, slave, ev->x, ev->y, width, direction);
coord_list_free (data, slave);
return TRUE;
}
static gboolean
photos_preview_nav_buttons_motion_notify (PhotosPreviewNavButtons *self, GdkEventMotion *event)
{
GdkDevice *device;
GdkInputSource input_source;
if (self->motion_id != 0)
return FALSE;
device = gdk_event_get_source_device ((GdkEvent *) event);
input_source = gdk_device_get_source (device);
if (input_source == GDK_SOURCE_TOUCHSCREEN)
return FALSE;
self->motion_id = g_idle_add_full (G_PRIORITY_DEFAULT,
(GSourceFunc) photos_preview_nav_buttons_motion_notify_timeout,
g_object_ref (self),
g_object_unref);
return FALSE;
}
static gboolean
on_button_press_event(GtkWidget *widget,
GdkEventButton *event,
CalibArea *area)
{
gboolean success;
if (area->success)
return FALSE;
/* Check matching device ID if a device ID was provided */
if (area->device_id > -1) {
GdkDevice *device;
device = gdk_event_get_source_device ((GdkEvent *) event);
if (device != NULL && gdk_x11_device_get_id (device) != area->device_id)
return FALSE;
}
/* Handle click */
area->time_elapsed = 0;
success = add_click(&area->calibrator, (int)event->x_root, (int)event->y_root);
if (!success && area->calibrator.num_clicks == 0)
draw_message(area, N_("Mis-click detected, restarting..."));
else
draw_message(area, NULL);
/* Are we done yet? */
if (area->calibrator.num_clicks >= 4)
{
set_calibration_status (area);
return FALSE;
}
/* Force a redraw */
redraw(area);
return FALSE;
}
/* This shots when the pointer is moving. */
G_MODULE_EXPORT gboolean
on_motion_notify (GtkWidget *win,
GdkEventMotion *ev,
gpointer user_data)
{
AnnotateData *data = (AnnotateData *) user_data;
GdkDevice *master = gdk_event_get_device ( (GdkEvent *) ev);
GdkDevice *slave = gdk_event_get_source_device ( (GdkEvent *) ev);
/* Get the data for this device. */
AnnotateDeviceData *masterdata= g_hash_table_lookup (data->devdatatable, master);
AnnotateDeviceData *slavedata = g_hash_table_lookup (data->devdatatable, slave);
if (data->cur_context == data->default_filler)
{
return FALSE;
}
if (ev->state != masterdata->state ||
ev->state != slavedata->state ||
masterdata->lastslave != slave)
{
annotate_select_tool (data, master, slave, ev->state);
}
gdouble selected_width = 0.0;
gdouble pressure = 1.0;
if (!data->is_grabbed)
{
return FALSE;
}
if (!ev)
{
g_printerr ("Device '%s': Invalid event; I ungrab all\n",
gdk_device_get_name (master));
annotate_release_grab ();
return FALSE;
}
if (data->debug)
{
g_printerr ("Device '%s': Move at (x,y)= (%f : %f)\n",
gdk_device_get_name (master),
ev->x,
ev->y);
}
#ifdef _WIN32
if (inside_bar_window (ev->x_root, ev->y_root))
{
if (data->debug)
{
g_printerr ("Device '%s': Move on the bar then ungrab\n",
gdk_device_get_name (master));
}
/* The point is inside the ardesia bar then ungrab. */
annotate_release_grab ();
return FALSE;
}
#endif
annotate_unhide_cursor ();
/* Only the first 5 buttons allowed. */
if(!(ev->state & (GDK_BUTTON1_MASK|
GDK_BUTTON2_MASK|
GDK_BUTTON3_MASK|
GDK_BUTTON4_MASK|
GDK_BUTTON5_MASK)))
{
return TRUE;
}
initialize_annotation_cairo_context (data);
annotate_configure_pen_options (data);
if (data->cur_context->type != ANNOTATE_ERASER)
{
pressure = get_pressure ( (GdkEvent *) ev);
if (pressure <= 0)
{
return FALSE;
}
/* If the point is already selected and higher pressure then print else jump it. */
if (masterdata->coord_list)
{
AnnotatePoint *last_point = (AnnotatePoint *) g_slist_nth_data (masterdata->coord_list, 0);
gdouble tollerance = annotate_get_thickness ();
if (get_distance (last_point->x, last_point->y, ev->x, ev->y)<tollerance)
{
/* Seems that you are uprising the pen. */
if (pressure <= last_point->pressure)
{
/* Jump the point you are uprising the hand. */
return FALSE;
}
else // pressure >= last_point->pressure
{
/* Seems that you are pressing the pen more. */
annotate_modify_color (masterdata, data, pressure);
annotate_draw_line (masterdata, ev->x, ev->y, TRUE);
/* Store the new pressure without allocate a new coordinate. */
last_point->pressure = pressure;
return TRUE;
}
}
annotate_modify_color (masterdata, data, pressure);
}
}
annotate_draw_line (masterdata, ev->x, ev->y, TRUE);
annotate_coord_list_prepend (masterdata, ev->x, ev->y, selected_width, pressure);
return TRUE;
}
/**
* 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 gboolean
gtk_gesture_single_handle_event (GtkEventController *controller,
const GdkEvent *event)
{
GdkEventSequence *sequence = NULL;
GtkGestureSinglePrivate *priv;
GdkDevice *source_device;
GdkInputSource source;
guint button = 0, i;
gboolean retval, test_touchscreen = FALSE;
source_device = gdk_event_get_source_device (event);
if (!source_device)
return FALSE;
priv = gtk_gesture_single_get_instance_private (GTK_GESTURE_SINGLE (controller));
source = gdk_device_get_source (source_device);
if (source != GDK_SOURCE_TOUCHSCREEN)
test_touchscreen = gtk_simulate_touchscreen ();
switch (event->type)
{
case GDK_TOUCH_BEGIN:
case GDK_TOUCH_END:
case GDK_TOUCH_UPDATE:
if (priv->exclusive && !event->touch.emulating_pointer)
return FALSE;
sequence = event->touch.sequence;
button = 1;
break;
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
if (priv->touch_only && !test_touchscreen && source != GDK_SOURCE_TOUCHSCREEN)
return FALSE;
button = event->button.button;
break;
case GDK_MOTION_NOTIFY:
if (!gtk_gesture_handles_sequence (GTK_GESTURE (controller), sequence))
return FALSE;
if (priv->touch_only && !test_touchscreen && source != GDK_SOURCE_TOUCHSCREEN)
return FALSE;
if (priv->current_button > 0 && priv->current_button <= 5 &&
(event->motion.state & (GDK_BUTTON1_MASK << (priv->current_button - 1))))
button = priv->current_button;
else if (priv->current_button == 0)
{
/* No current button, find out from the mask */
for (i = 0; i < 3; i++)
{
if ((event->motion.state & (GDK_BUTTON1_MASK << i)) == 0)
continue;
button = i + 1;
break;
}
}
break;
case GDK_TOUCH_CANCEL:
case GDK_GRAB_BROKEN:
return GTK_EVENT_CONTROLLER_CLASS (gtk_gesture_single_parent_class)->handle_event (controller,
event);
break;
default:
return FALSE;
}
if (button == 0 ||
(priv->button != 0 && priv->button != button) ||
(priv->current_button != 0 && priv->current_button != button))
{
if (gtk_gesture_is_active (GTK_GESTURE (controller)))
gtk_event_controller_reset (controller);
return FALSE;
}
if (event->type == GDK_BUTTON_PRESS || event->type == GDK_TOUCH_BEGIN ||
event->type == GDK_MOTION_NOTIFY || event->type == GDK_TOUCH_UPDATE)
{
if (!gtk_gesture_is_active (GTK_GESTURE (controller)))
priv->current_sequence = sequence;
priv->current_button = button;
}
retval = GTK_EVENT_CONTROLLER_CLASS (gtk_gesture_single_parent_class)->handle_event (controller, event);
if (sequence == priv->current_sequence &&
(event->type == GDK_BUTTON_RELEASE || event->type == GDK_TOUCH_END))
priv->current_button = 0;
else if (priv->current_sequence == sequence &&
!gtk_gesture_handles_sequence (GTK_GESTURE (controller), sequence))
{
if (button == priv->current_button && event->type == GDK_BUTTON_PRESS)
priv->current_button = 0;
else if (sequence == priv->current_sequence && event->type == GDK_TOUCH_BEGIN)
priv->current_sequence = NULL;
}
return retval;
}
gboolean on_motion (GtkWidget *win,
GdkEventMotion *ev,
gpointer user_data)
{
GromitData *data = (GromitData *) user_data;
GdkTimeCoord **coords = NULL;
gint nevents;
int i;
gdouble pressure = 0.5;
/* get the data for this device */
GdkDevice *master = ev->device;
GromitDeviceData *masterdata =
g_hash_table_lookup(data->devdatatable, master);
if (!masterdata->is_grabbed)
return FALSE;
GdkDevice *slave =
gdk_event_get_source_device ((GdkEvent *) ev);
GromitDeviceData *slavedata =
g_hash_table_lookup(data->devdatatable, slave);
if (ev->state != masterdata->state ||
ev->state != slavedata->state ||
masterdata->lastslave != slave)
select_tool (data, master, slave, ev->state);
if(!(ev->state & (GDK_BUTTON1_MASK|
GDK_BUTTON2_MASK|
GDK_BUTTON3_MASK|
GDK_BUTTON4_MASK|
GDK_BUTTON5_MASK)))
return TRUE;
gdk_device_get_history (slave, ev->window,
slavedata->motion_time, ev->time,
&coords, &nevents);
if(!data->xinerama && nevents > 0)
{
for (i=0; i < nevents; i++)
{
gdouble x, y;
gdk_device_get_axis (slave, coords[i]->axes,
GDK_AXIS_PRESSURE, &pressure);
if (pressure > 0)
{
if (gdk_device_get_source(slave) == GDK_SOURCE_MOUSE)
data->maxwidth = slavedata->cur_context->width;
else
data->maxwidth = (CLAMP (pressure + line_thickener, 0, 1) *
(double) (slavedata->cur_context->width -
slavedata->cur_context->minwidth) +
slavedata->cur_context->minwidth);
gdk_device_get_axis(slave, coords[i]->axes,
GDK_AXIS_X, &x);
gdk_device_get_axis(slave, coords[i]->axes,
GDK_AXIS_Y, &y);
draw_line (data, slave, slavedata->lastx, slavedata->lasty, x, y);
coord_list_prepend (data, slave, x, y, data->maxwidth);
slavedata->lastx = x;
slavedata->lasty = y;
}
}
slavedata->motion_time = coords[nevents-1]->time;
g_free (coords);
}
/* always paint to the current event coordinate. */
gdk_event_get_axis ((GdkEvent *) ev, GDK_AXIS_PRESSURE, &pressure);
if (pressure > 0)
{
if (gdk_device_get_source(slave) == GDK_SOURCE_MOUSE)
data->maxwidth = slavedata->cur_context->width;
else
data->maxwidth = (CLAMP (pressure + line_thickener, 0, 1) *
(double) (slavedata->cur_context->width -
slavedata->cur_context->minwidth) +
slavedata->cur_context->minwidth);
if(slavedata->motion_time > 0)
{
draw_line (data, slave, slavedata->lastx, slavedata->lasty, ev->x, ev->y);
coord_list_prepend (data, slave, ev->x, ev->y, data->maxwidth);
}
}
slavedata->lastx = ev->x;
slavedata->lasty = ev->y;
slavedata->motion_time = ev->time;
return TRUE;
}
