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);
}
}
private void MoveCaretSelection(Action move)
{
EnsureSelection();
move();
SelectionEnd.AssignFrom(CaretPos);
}