public void OnTick()
{
if (Mouse.ButtonPressed(System.Windows.Forms.MouseButtons.Left))
{
if (pointer.MouseOver)
{
moving = true;
}
}
else
{
moving = false;
}
if (moving)
{
if (this.PositionType == UIPositionType.Global)
{
Vector2D pos = new Vector2D(Mouse.GamePosition.X - this.GetGlobalPosition().X, pointer.Position.Y);
if (pos.X < -this.GetRealSize().Width / 2)
{
pos.X = -this.GetRealSize().Width / 2;
}
if (pos.X > this.GetRealSize().Width / 2)
{
pos.X = this.GetRealSize().Width / 2;
}
pointer.SetPosition(pos);
float tmpValue = (pos.X + this.GetRealSize().Width / 2) / this.GetRealSize().Width;
float valuesOffset = this.MaxValue - this.MinValue;
this.Value = this.MinValue + tmpValue * valuesOffset;
}
else
{
Vector2D pos = new Vector2D(Mouse.Position.X - this.GetGlobalPosition().X, pointer.Position.Y);
if (pos.X < -this.GetRealSize().Width / 2)
{
pos.X = -this.GetRealSize().Width / 2;
}
if (pos.X > this.GetRealSize().Width / 2)
{
pos.X = this.GetRealSize().Width / 2;
}
pointer.SetPosition(pos);
float tmpValue = (pos.X + this.GetRealSize().Width / 2) / this.GetRealSize().Width;
float valuesOffset = this.MaxValue - this.MinValue;
this.Value = this.MinValue + tmpValue * valuesOffset;
}
}
}
public override void Update()
{
if (Mouse.ButtonPressed(MouseButtons.Left))
{
var isFocused = IsMouseOver();
if (isFocused != IsFocused)
{
IsFocused = isFocused;
FocusChanged?.Invoke(this, new FocusChangedEventArgs(IsFocused));
}
if (IsFocused && Font.HitTest(Mouse.Position - Position, Text, ActualWidth, out int i))
{
_cursorPos = i;
}
}
if (!IsFocused)
{
return;
}
//Toggle cursor every half second
_cursorTick += GameTime.UnscaledDeltaTime;
if (_cursorTick >= .5f)
{
_showCursor = !_showCursor;
_cursorTick = 0;
}
//Cursor navigation
//Always show cursor when navigating
if (_cursorPos > 0 && Keyboard.KeyPressed(Keys.Left))
{
_cursorPos--;
_cursorTick = 0;
_showCursor = true;
HandleInputEvent(Keys.Left);
}
else if (_cursorPos < _text.Length && Keyboard.KeyPressed(Keys.Right))
{
_cursorPos++;
_cursorTick = 0;
_showCursor = true;
HandleInputEvent(Keys.Right);
}
if (Keyboard.KeyPressed(Keys.Enter))
{
Enter?.Invoke(this, new EventArgs());
HandleInputEvent(Keys.Enter);
}
//Text deletion
if (Keyboard.KeyPressed(Keys.Backspace) && _cursorPos > 0)
{
_text = _text.Remove(_cursorPos - 1, 1);
_cursorPos--;
HandleInputEvent(Keys.Backspace);
}
if (Keyboard.KeyPressed(Keys.Delete) && _cursorPos < _text.Length)
{
_text = _text.Remove(_cursorPos, 1);
HandleInputEvent(Keys.Delete);
}
//Text input
var keys = Enum.GetValues(typeof(Keys));
for (int i = 0; i < keys.Length; i++)
{
var k = (Keys)keys.GetValue(i);
if (Keyboard.KeyPressed(k))
{
var text = Keyboard.ToUnicode(k);
if (text != "\b")
{
_text = _text.Insert(_cursorPos, text);
_cursorPos += text.Length;
}
HandleInputEvent(k);
}
}
}