public override InputMessageResult HandleMessage(InputMessage message)
{
bool GetControlAtPoint(in Point2D mousePosition, out Control control, out Point2D controlRelativePosition)
{
control = _windowManager.GetControlAtPoint(mousePosition);
if (control != null)
{
controlRelativePosition = control.PointToClient(mousePosition);
return(true);
}
controlRelativePosition = Point2D.Zero;;
return(false);
}
var context = new ControlCallbackContext(_windowManager, _game);
switch (message.MessageType)
{
case InputMessageType.MouseMove:
{
var mouseOverControls = _windowManager.GetControlsAtPoint(message.Value.MousePosition).ToList();
foreach (var control in _lastMouseOverControls)
{
if (!mouseOverControls.Contains(control))
{
control.InputCallback.Invoke(
control,
new WndWindowMessage(WndWindowMessageType.MouseExit, control),
context);
}
}
foreach (var control in mouseOverControls)
{
if (!_lastMouseOverControls.Contains(control))
{
control.InputCallback.Invoke(
control,
new WndWindowMessage(WndWindowMessageType.MouseEnter, control),
context);
}
}
_lastMouseOverControls.Clear();
_lastMouseOverControls.AddRange(mouseOverControls);
foreach (var control in mouseOverControls)
{
var mousePosition = control.PointToClient(message.Value.MousePosition);
control.InputCallback.Invoke(
control,
new WndWindowMessage(WndWindowMessageType.MouseMove, control, mousePosition),
context);
}
return(mouseOverControls.Count > 0
? InputMessageResult.Handled
: InputMessageResult.NotHandled);
}
case InputMessageType.MouseLeftButtonDown:
{
if (GetControlAtPoint(message.Value.MousePosition, out var element, out var mousePosition))
{
element.InputCallback.Invoke(
element,
new WndWindowMessage(WndWindowMessageType.MouseDown, element, mousePosition),
context);
return(InputMessageResult.Handled);
}
break;
}
case InputMessageType.MouseLeftButtonUp:
{
if (GetControlAtPoint(message.Value.MousePosition, out var element, out var mousePosition))
{
element.InputCallback.Invoke(
element,
new WndWindowMessage(WndWindowMessageType.MouseUp, element, mousePosition),
context);
return(InputMessageResult.Handled);
}
break;
}
case InputMessageType.MouseRightButtonDown:
{
if (GetControlAtPoint(message.Value.MousePosition, out var element, out var mousePosition))
{
element.InputCallback.Invoke(
element,
new WndWindowMessage(WndWindowMessageType.MouseRightDown, element, mousePosition),
context);
return(InputMessageResult.Handled);
}
break;
}
case InputMessageType.MouseRightButtonUp:
{
if (GetControlAtPoint(message.Value.MousePosition, out var element, out var mousePosition))
{
element.InputCallback.Invoke(
element,
new WndWindowMessage(WndWindowMessageType.MouseRightUp, element, mousePosition),
context);
return(InputMessageResult.Handled);
}
break;
}
// For the time being, just consume middle click events so that they don't go through controls:
case InputMessageType.MouseMiddleButtonDown:
case InputMessageType.MouseMiddleButtonUp:
{
return(GetControlAtPoint(message.Value.MousePosition, out var _, out var _)
? InputMessageResult.Handled
: InputMessageResult.NotHandled);
}
case InputMessageType.KeyDown:
{
var control = _windowManager.FocussedControl;
if (control != null)
{
control?.InputCallback.Invoke(
control,
new WndWindowMessage(WndWindowMessageType.KeyDown, control, null, message.Value.Key, message.Value.Modifiers),
context
);
return(InputMessageResult.Handled);
}
break;
}
}
return(InputMessageResult.NotHandled);
}
public override InputMessageResult HandleMessage(InputMessage message)
{
var context = new ControlCallbackContext(_windowManager, _game);
switch (message.MessageType)
{
case InputMessageType.MouseMove:
{
var mouseOverControls = _windowManager.GetControlsAtPoint(message.Value.MousePosition).ToList();
foreach (var control in _lastMouseOverControls)
{
if (!mouseOverControls.Contains(control))
{
control.InputCallback.Invoke(
control,
new WndWindowMessage(WndWindowMessageType.MouseExit, control),
context);
}
}
foreach (var control in mouseOverControls)
{
if (!_lastMouseOverControls.Contains(control))
{
control.InputCallback.Invoke(
control,
new WndWindowMessage(WndWindowMessageType.MouseEnter, control),
context);
}
}
_lastMouseOverControls.Clear();
_lastMouseOverControls.AddRange(mouseOverControls);
foreach (var control in mouseOverControls)
{
var mousePosition = control.PointToClient(message.Value.MousePosition);
control.InputCallback.Invoke(
control,
new WndWindowMessage(WndWindowMessageType.MouseMove, control, mousePosition),
context);
}
return(mouseOverControls.Count > 0
? InputMessageResult.Handled
: InputMessageResult.NotHandled);
}
case InputMessageType.MouseLeftButtonDown:
{
var element = _windowManager.GetControlAtPoint(message.Value.MousePosition);
if (element != null)
{
var mousePosition = element.PointToClient(message.Value.MousePosition);
element.InputCallback.Invoke(
element,
new WndWindowMessage(WndWindowMessageType.MouseDown, element, mousePosition),
context);
return(InputMessageResult.Handled);
}
break;
}
case InputMessageType.MouseLeftButtonUp:
{
var element = _windowManager.GetControlAtPoint(message.Value.MousePosition);
if (element != null)
{
var mousePosition = element.PointToClient(message.Value.MousePosition);
element.InputCallback.Invoke(
element,
new WndWindowMessage(WndWindowMessageType.MouseUp, element, mousePosition),
context);
return(InputMessageResult.Handled);
}
break;
}
case InputMessageType.KeyDown:
{
if (message.Value.Key == Key.Escape && _windowManager.OpenWindowCount > 1)
{
_windowManager.PopWindow();
return(InputMessageResult.Handled);
}
break;
}
}
return(InputMessageResult.NotHandled);
}
