| public RaiseEvent ( RoutedEventArgs e ) : bool | ||
| e | RoutedEventArgs | |
| return | bool | |
public override bool Scrolled(int amount)
{
Actor target = (_scrollFocus == null) ? Root : _scrollFocus;
Vector2 stageCoords = ScreenToStageCoordinates(new Vector2(_mouseScreenX, _mouseScreenY));
ScrollEventArgs ev = Pools <ScrollEventArgs> .Obtain();
ev.RoutedEvent = PreviewScrollEvent;
ev.Stage = this;
ev.ScrollAmountV = amount;
ev.ScrollAmountH = 0;
if (!target.RaiseEvent(ev))
{
ev.RoutedEvent = ScrollEvent;
target.RaiseEvent(ev);
}
bool handled = ev.Handled;
Pools <ScrollEventArgs> .Release(ev);
return(handled);
}
public override bool TouchUp(int screenX, int screenY, int pointer, int button)
{
_pointerTouched[pointer] = false;
_pointerScreen[pointer] = new Point(screenX, screenY);
Vector2 stageCoords = ScreenToStageCoordinates(new Vector2(screenX, screenY));
TouchEventArgs ev = Pools <TouchEventArgs> .Obtain();
ev.RoutedEvent = PreviewTouchUpEvent;
ev.Stage = this;
ev.StagePosition = stageCoords;
ev.Pointer = pointer;
ev.Button = button;
Actor target = _touchCapture[pointer] ?? Hit(stageCoords.X, stageCoords.Y, true);
if (target == null)
{
target = Root;
}
if (!target.RaiseEvent(ev))
{
ev.RoutedEvent = TouchUpEvent;
target.RaiseEvent(ev);
}
bool handled = ev.Handled;
Pools <TouchEventArgs> .Release(ev);
return(handled);
}
public override bool MouseMoved(int screenX, int screenY)
{
_mouseScreenX = screenX;
_mouseScreenY = screenY;
Vector2 stageCoords = ScreenToStageCoordinates(new Vector2(screenX, screenY));
MouseEventArgs ev = Pools <MouseEventArgs> .Obtain();
ev.RoutedEvent = PreviewMouseMoveEvent;
ev.Stage = this;
ev.StagePosition = stageCoords;
Actor target = Hit(stageCoords.X, stageCoords.Y, true);
if (target == null)
{
target = Root;
}
if (!target.RaiseEvent(ev))
{
ev.RoutedEvent = MouseMoveEvent;
target.RaiseEvent(ev);
}
bool handled = ev.Handled;
Pools <MouseEventArgs> .Release(ev);
return(handled);
}
private Actor FireEnterAndExit(Actor overLast, int screenX, int screenY, int pointer)
{
Vector2 stageCoords = ScreenToStageCoordinates(new Vector2(screenX, screenY));
Actor over = Hit(stageCoords.X, stageCoords.Y, true);
if (over == overLast)
{
return(overLast);
}
TouchEventArgs ev = Pools <TouchEventArgs> .Obtain();
ev.Stage = this;
ev.StagePosition = stageCoords;
ev.Pointer = pointer;
if (overLast != null)
{
ev.RoutedEvent = TouchLeaveEvent;
ev.RelatedActor = over;
overLast.RaiseEvent(ev);
}
if (over != null)
{
ev.RoutedEvent = TouchEnterEvent;
ev.RelatedActor = overLast;
over.RaiseEvent(ev);
}
Pools <TouchEventArgs> .Release(ev);
return(over);
}
public override bool KeyTyped(char character)
{
Actor target = (_keyboardFocus == null) ? Root : _keyboardFocus;
KeyCharEventArgs ev = Pools <KeyCharEventArgs> .Obtain();
ev.RoutedEvent = PreviewKeyTypedEvent;
ev.Stage = this;
ev.Character = character;
if (!target.RaiseEvent(ev))
{
ev.RoutedEvent = KeyTypedEvent;
target.RaiseEvent(ev);
}
bool handled = ev.Handled;
Pools <KeyCharEventArgs> .Release(ev);
return(handled);
}
public override bool KeyUp(int keycode)
{
Actor target = (_keyboardFocus == null) ? Root : _keyboardFocus;
KeyEventArgs ev = Pools <KeyEventArgs> .Obtain();
ev.RoutedEvent = PreviewKeyUpEvent;
ev.Stage = this;
ev.KeyCode = keycode;
ev.IsUp = true;
if (!target.RaiseEvent(ev))
{
ev.RoutedEvent = KeyUpEvent;
target.RaiseEvent(ev);
}
bool handled = ev.Handled;
Pools <KeyEventArgs> .Release(ev);
return(handled);
}
public void SetScrollFocus(Actor actor)
{
if (_scrollFocus == actor)
{
return;
}
Actor oldScrollFocus = _scrollFocus;
_scrollFocus = actor;
if (oldScrollFocus != null)
{
ScrollFocusChangedEventArgs eva = Pools <ScrollFocusChangedEventArgs> .Obtain();
eva.RoutedEvent = LostScrollFocusEvent;
eva.NewFocus = actor;
eva.OldFocus = oldScrollFocus;
bool cancel = oldScrollFocus.RaiseEvent(eva);
Pools <ScrollFocusChangedEventArgs> .Release(eva);
if (cancel)
{
return;
}
}
if (actor != null)
{
ScrollFocusChangedEventArgs eva = Pools <ScrollFocusChangedEventArgs> .Obtain();
eva.RoutedEvent = GotScrollFocusEvent;
eva.NewFocus = actor;
eva.OldFocus = oldScrollFocus;
if (actor.RaiseEvent(eva))
{
SetScrollFocus(oldScrollFocus);
}
Pools <ScrollFocusChangedEventArgs> .Release(eva);
}
}
public void SetTouchCapture(Actor actor, int pointer)
{
if (pointer < 0 || pointer >= _touchCapture.Length)
{
throw new ArgumentOutOfRangeException("pointer");
}
Actor oldTouchCapture = _touchCapture[pointer];
_touchCapture[pointer] = actor;
if (oldTouchCapture != null)
{
TouchEventArgs ev = Pools <TouchEventArgs> .Obtain();
ev.RoutedEvent = LostTouchCaptureEvent;
ev.Pointer = pointer;
bool cancel = oldTouchCapture.RaiseEvent(ev);
Pools <TouchEventArgs> .Release(ev);
if (cancel)
{
return;
}
}
if (actor != null)
{
TouchEventArgs ev = Pools <TouchEventArgs> .Obtain();
ev.RoutedEvent = GotTouchCaptureEvent;
ev.Pointer = pointer;
if (actor.RaiseEvent(ev))
{
SetTouchCapture(oldTouchCapture, pointer);
}
Pools <TouchEventArgs> .Release(ev);
}
}
public void Act(float delta)
{
// Update over actors. Done in act() because actors may change position, which can fire enter/exit without an input event.
for (int pointer = 0, n = _pointerOverActors.Length; pointer < n; pointer++)
{
Actor overLast = _pointerOverActors[pointer];
// Check if pointer is gone.
if (!_pointerTouched[pointer])
{
if (overLast != null)
{
_pointerOverActors[pointer] = null;
Vector2 stageCoords = ScreenToStageCoordinates(new Vector2(_pointerScreen[pointer].X, _pointerScreen[pointer].Y));
// Exit over last
TouchEventArgs ev = Pools <TouchEventArgs> .Obtain();
ev.RoutedEvent = TouchLeaveEvent;
ev.Stage = this;
ev.StagePosition = stageCoords;
ev.RelatedActor = overLast;
ev.Pointer = pointer;
overLast.RaiseEvent(ev);
Pools <TouchEventArgs> .Release(ev);
}
continue;
}
// Update over actor for the pointer
_pointerOverActors[pointer] = FireEnterAndExit(overLast, _pointerScreen[pointer].X, _pointerScreen[pointer].Y, pointer);
}
// Update over actor the mouse on the desktop
// ApplicationType type = Gdx.app.getType();
// if (type == ApplicationType.Desktop || type == ApplicationType.Applet || type == ApplicationType.WebGL)
_mouseOverActor = FireEnterAndExit(_mouseOverActor, _mouseScreenX, _mouseScreenY, -1);
Root.Act(delta);
}
private Actor FireEnterAndExit(Actor overLast, int screenX, int screenY, int pointer)
{
Vector2 stageCoords = ScreenToStageCoordinates(new Vector2(screenX, screenY));
Actor over = Hit(stageCoords.X, stageCoords.Y, true);
if (over == overLast)
return overLast;
TouchEventArgs ev = Pools<TouchEventArgs>.Obtain();
ev.Stage = this;
ev.StagePosition = stageCoords;
ev.Pointer = pointer;
if (overLast != null) {
ev.RoutedEvent = TouchLeaveEvent;
ev.RelatedActor = over;
overLast.RaiseEvent(ev);
}
if (over != null) {
ev.RoutedEvent = TouchEnterEvent;
ev.RelatedActor = overLast;
over.RaiseEvent(ev);
}
Pools<TouchEventArgs>.Release(ev);
return over;
}
public void SetTouchCapture(Actor actor, int pointer)
{
if (pointer < 0 || pointer >= _touchCapture.Length)
throw new ArgumentOutOfRangeException("pointer");
Actor oldTouchCapture = _touchCapture[pointer];
_touchCapture[pointer] = actor;
if (oldTouchCapture != null) {
TouchEventArgs ev = Pools<TouchEventArgs>.Obtain();
ev.RoutedEvent = LostTouchCaptureEvent;
ev.Pointer = pointer;
bool cancel = oldTouchCapture.RaiseEvent(ev);
Pools<TouchEventArgs>.Release(ev);
if (cancel)
return;
}
if (actor != null) {
TouchEventArgs ev = Pools<TouchEventArgs>.Obtain();
ev.RoutedEvent = GotTouchCaptureEvent;
ev.Pointer = pointer;
if (actor.RaiseEvent(ev))
SetTouchCapture(oldTouchCapture, pointer);
Pools<TouchEventArgs>.Release(ev);
}
}
public void SetScrollFocus(Actor actor)
{
if (_scrollFocus == actor)
return;
Actor oldScrollFocus = _scrollFocus;
_scrollFocus = actor;
if (oldScrollFocus != null) {
ScrollFocusChangedEventArgs eva = Pools<ScrollFocusChangedEventArgs>.Obtain();
eva.RoutedEvent = LostScrollFocusEvent;
eva.NewFocus = actor;
eva.OldFocus = oldScrollFocus;
bool cancel = oldScrollFocus.RaiseEvent(eva);
Pools<ScrollFocusChangedEventArgs>.Release(eva);
if (cancel)
return;
}
if (actor != null) {
ScrollFocusChangedEventArgs eva = Pools<ScrollFocusChangedEventArgs>.Obtain();
eva.RoutedEvent = GotScrollFocusEvent;
eva.NewFocus = actor;
eva.OldFocus = oldScrollFocus;
if (actor.RaiseEvent(eva))
SetScrollFocus(oldScrollFocus);
Pools<ScrollFocusChangedEventArgs>.Release(eva);
}
}
