private void TouchDraggedHandler(Actor sender, TouchEventArgs e)
{
if (e.Pointer != PressedPointer || _cancelled)
return;
Vector2 position = e.GetPosition(sender);
_pressed = IsOverActor(sender, position.X, position.Y);
if (_pressed && e.Pointer == 0 && Button != -1 && !Mouse.GetState().IsButtonPressed(Button))
_pressed = false;
if (!_pressed)
InvalidateTapSquare();
}
private void TouchUpHandler(Actor sender, TouchEventArgs e)
{
if (e.Pointer == PressedPointer) {
if (!_cancelled) {
Vector2 position = e.GetPosition(sender);
bool touchUpOver = IsOverActor(sender, position.X, position.Y);
if (touchUpOver && e.Pointer == 0 && Button != -1 && e.Button != Button)
touchUpOver = false;
if (touchUpOver) {
long time = DateTime.Now.Ticks * 100;
if (time - _lastTapTime > _tapCountInterval)
TapCount = 0;
TapCount = TapCount + 1;
_lastTapTime = time;
if (ClickHandler != null)
ClickHandler(e);
}
if (_actor.Stage != null)
_actor.ReleaseTouchCapture(e.Pointer);
else if (e.Stage != null)
e.Stage.ReleaseTouchCapture(e.Pointer);
}
_pressed = false;
PressedPointer = -1;
PressedButton = -1;
_cancelled = false;
}
}
protected override void OnTouchDown(TouchEventArgs e)
{
Vector2 position = e.GetPosition(this);
TreeNode node = NodeAt(position.Y);
if (node == null)
return;
if (node != NodeAt(position.Y))
return;
KeyboardState keystate = Keyboard.GetState();
bool shiftPressed = keystate.IsKeyDown(Keys.LeftShift) || keystate.IsKeyDown(Keys.RightShift);
bool ctrlPressed = keystate.IsKeyDown(Keys.LeftControl) || keystate.IsKeyDown(Keys.RightControl);
if (MultiSelect && _selectedNodes.Count > 0 && shiftPressed) {
float low = _selectedNodes.First().Actor.Y;
float high = node.Actor.Y;
_selectionChanger.Begin(_selectedNodes);
if (!ctrlPressed)
_selectionChanger.UnselectAll();
if (low > high)
SelectNodes(_rootNodes, high, low);
else
SelectNodes(_rootNodes, low, high);
_selectionChanger.End();
return;
}
if (!MultiSelect || !ctrlPressed) {
if (Children.Count > 0) {
float rowX = node.Actor.X;
if (node.Icon != null)
rowX -= IconSpacing + node.Icon.MinWidth;
float indent = 0;
if (node.Children == null || node.Children.Count == 0)
indent = rowX;
else {
TreeNode parent = node.Parent;
while (parent != null) {
indent += _indentSpacing;
parent = parent.Parent;
}
}
if (position.X > indent && position.X < rowX) {
node.IsExpanded = !node.IsExpanded;
return;
}
}
if (!node.IsSelectable)
return;
bool unselect = ToggleSelect && _selectedNodes.Count == 1 && _selectedNodes.Contains(node);
_selectionChanger.Begin(_selectedNodes);
_selectionChanger.UnselectAll();
if (!unselect)
_selectionChanger.Select(node);
_selectionChanger.End();
return;
}
else if (!node.IsSelectable)
return;
_selectionChanger.Begin(_selectedNodes);
_selectionChanger.Select(node);
_selectionChanger.End();
base.OnTouchDown(e);
}
