public void HandleButton(ButtonState buttonState, ButtonState lastState, MouseButtons buttons)
{
if (buttonState == ButtonState.Pressed && lastState == ButtonState.Released)
{
var ev = MouseDown;
if (ev != null)
{
ev(this, new GenericEventArgs <MouseButtons>(buttons));
}
InputOnMouseDown();
ReversedWidgetsCopy.HandleMouseDown(buttons);
}
else if (buttonState == ButtonState.Released && lastState == ButtonState.Pressed)
{
var ev = MouseUp;
if (ev != null)
{
ev(this, new GenericEventArgs <MouseButtons>(buttons));
}
ReversedWidgetsCopy.HandleMouseUp(buttons);
}
}
public void UpdateInput()
{
if (MouseStateGetter != null)
{
var lastState = MouseState;
MouseState = MouseStateGetter();
MousePosition = new Point(MouseState.X, MouseState.Y);
if (SpriteBatchBeginParams.TransformMatrix != null)
{
// Apply transform
var t = Vector2.Transform(
new Vector2(MousePosition.X, MousePosition.Y),
SpriteBatchBeginParams.InverseTransform);
MousePosition = new Point((int)t.X, (int)t.Y);
}
MouseWheel = MouseState.ScrollWheelValue;
if (MouseState.X != lastState.X || MouseState.Y != lastState.Y)
{
var ev = MouseMoved;
if (ev != null)
{
ev(this, new GenericEventArgs <Point>(MousePosition));
}
ReversedWidgetsCopy.HandleMouseMovement(MousePosition);
}
HandleButton(MouseState.LeftButton, lastState.LeftButton, MouseButtons.Left);
HandleButton(MouseState.MiddleButton, lastState.MiddleButton, MouseButtons.Middle);
HandleButton(MouseState.RightButton, lastState.RightButton, MouseButtons.Right);
if (MouseWheel != lastState.ScrollWheelValue)
{
var delta = MouseWheel - lastState.ScrollWheelValue;
var ev = MouseWheelChanged;
if (ev != null)
{
ev(null, new GenericEventArgs <float>(delta));
}
if (_focusedWidget != null)
{
_focusedWidget.IterateFocusable(w => w.OnMouseWheel(delta));
}
}
}
if (KeyboardStateGetter != null)
{
var lastKeyboardState = KeyboardState;
KeyboardState = Keyboard.GetState();
var pressedKeys = KeyboardState.GetPressedKeys();
MyraEnvironment.ShowUnderscores = (MenuBar != null && MenuBar.OpenMenuItem != null) ||
KeyboardState.IsKeyDown(Keys.LeftAlt) ||
KeyboardState.IsKeyDown(Keys.RightAlt);
for (var i = 0; i < pressedKeys.Length; ++i)
{
var key = pressedKeys[i];
if (!lastKeyboardState.IsKeyDown(key))
{
var ev = KeyDown;
if (ev != null)
{
ev(this, new GenericEventArgs <Keys>(key));
}
if (MenuBar != null && MyraEnvironment.ShowUnderscores)
{
MenuBar.OnKeyDown(key);
}
else
{
if (_focusedWidget != null)
{
_focusedWidget.IterateFocusable(w => w.OnKeyDown(key));
}
}
if (key == Keys.Escape && ContextMenu != null)
{
HideContextMenu();
}
}
}
var lastPressedKeys = lastKeyboardState.GetPressedKeys();
for (var i = 0; i < lastPressedKeys.Length; ++i)
{
var key = lastPressedKeys[i];
if (!KeyboardState.IsKeyDown(key) && _focusedWidget != null)
{
// Key had been released
_focusedWidget.IterateFocusable(w => w.OnKeyUp(key));
}
}
}
}
