Widget CreateSpinButton(SpinButtonType type)
{
var button = new Widget {
HitTestTarget = true,
LayoutCell = new LayoutCell {
StretchX = 0
},
MinWidth = SpinButtonPresenter.ButtonWidth,
PostPresenter = new SpinButtonPresenter(type)
};
button.Awoken += instance => {
var dragGesture = new DragGesture();
dragGesture.Recognized += () => Tasks.Add(SpinByDragTask(dragGesture));
var clickGesture = new ClickGesture(() => {
var delta = (type == SpinButtonType.Additive ? 1 : -1) * Step;
if (Input.IsKeyPressed(Key.Shift))
{
delta *= 10f;
}
else if (Input.IsKeyPressed(Key.Control))
{
delta *= 0.1f;
}
if (!IsReadOnly)
{
Value += delta;
}
});
var gestures = ((Widget)instance).Gestures;
gestures.Add(clickGesture);
gestures.Add(dragGesture);
};
return(button);
}
protected override void Awake()
{
// On the current frame the button contents may not be loaded,
// so delay its initialization until the next frame.
SetState(InitialState());
textPresentersFeeder = new TextPresentersFeeder(this);
clickGesture = new ClickGesture();
Gestures.Add(clickGesture);
}
private IEnumerator <object> HandleInputTask()
{
bool wasFocused = false;
var rightClickGesture = new ClickGesture(1);
var clickGesture = new ClickGesture();
var doubleClickGesture = new DoubleClickGesture();
var dragGesture = new DragGesture(0, DragDirection.Any, dragThreshold: EditorParams.MouseSelectionThreshold);
ClickableWidget.Gestures.Add(rightClickGesture);
ClickableWidget.Gestures.Add(clickGesture);
ClickableWidget.Gestures.Add(doubleClickGesture);
ClickableWidget.Gestures.Add(dragGesture);
while (true)
{
if (EditorParams.SelectAllOnFocus && !wasFocused && FocusableWidget.IsFocused())
{
SelectAll();
CaretPos.TextPos = TextLength;
}
if (FocusableWidget.IsFocused())
{
HandleKeys();
HandleTextInput();
}
if (clickGesture.WasRecognized())
{
if (!FocusableWidget.IsFocused())
{
if (EditorParams.SelectAllOnFocus)
{
SelectAll();
}
}
else
{
HideSelection();
}
FocusableWidget.SetFocus();
CaretPos.WorldPos = DisplayWidget.LocalMousePosition();
}
if (doubleClickGesture.WasRecognized())
{
if (IsTextReadable)
{
SelectWord();
}
else
{
SelectAll();
}
}
if (rightClickGesture.WasRecognized())
{
FocusableWidget.SetFocus();
ShowContextMenu(true);
}
if (dragGesture.WasRecognized())
{
FocusableWidget.SetFocus();
CaretPos.WorldPos = DisplayWidget.ToLocalMousePosition(dragGesture.MousePressPosition);
HideSelection();
EnsureSelection();
SelectionStart.AssignFrom(CaretPos);
}
else if (dragGesture.WasChanged())
{
CaretPos.WorldPos = DisplayWidget.LocalMousePosition();
EnsureSelection();
SelectionEnd.AssignFrom(CaretPos);
}
Text.SyncCaretPosition();
AdjustSizeAndScrollToCaret();
var isFocused = CaretPos.IsVisible = FocusableWidget.IsFocused();
if (wasFocused && !isFocused)
{
HideSelection();
if (History.CanUndo())
{
History.Clear();
Text.Submit();
}
}
wasFocused = isFocused;
yield return(null);
}
}
protected override void Awake()
{
Thumb?.Gestures.Add(dragGestureThumb = new DragGesture());
Gestures.Add(dragGestureSlider = new DragGesture());
Gestures.Add(clickGesture = new ClickGesture());
}