// Ties into the events in InputSystem. Top events are asynchronous and
// used for state management. The rest of them are synchronous and used to
// trigger user specified event handlers.
internal InputManager(Root <Widget> dom)
{
_dom = dom;
_mouseEvents = new MouseEvents();
_keyboardEvents = new KeyboardEvents();
MouseLocation = Mouse.GetState().Position;
/* ## Input Events to Manage Internal State ## */
#region Manage Internal State
MouseEvents.MouseMoved += delegate
{
if (FocusedWidget != null &&
FocusedWidget.AbsoluteInputArea.Contains(MouseLocation) &&
FocusedWidget.BlocksInput)
{
return;
}
HoverWidget = FindHover();
if (PressedWidget == null)
{
return;
}
if (!PressedWidget.AbsoluteInputArea.Contains(MouseLocation))
{
PressedWidget = null;
}
};
MouseEvents.ButtonReleased += delegate(object sender, MouseEventArgs e)
{
if (e.Button != MouseButton.Left)
{
return;
}
if (PressedWidget != null)
{
PressedWidget.MouseClick(e);
}
PressedWidget = null;
};
MouseEvents.ButtonPressed += delegate(Object o, MouseEventArgs e)
{
if (e.Button != MouseButton.Left)
{
return;
}
if (HoverWidget == null && FocusedWidget != null && !FocusedWidget.BlocksInput)
{
return;
}
FocusedWidget = HoverWidget;
PressedWidget = HoverWidget;
};
MouseEvents.ButtonDoubleClicked += delegate(Object o, MouseEventArgs e)
{
if (e.Button != MouseButton.Left)
{
return;
}
if (HoverWidget == null)
{
return;
}
FocusedWidget = HoverWidget;
PressedWidget = HoverWidget;
};
#endregion
/* ## Input Events to fire the focused widget's event handlers ## */
#region Widget Triggers
KeyboardEvents.KeyTyped += delegate(Object o, CharacterEventArgs e)
{
if (FocusedWidget != null)
{
FocusedWidget.CharEntered(e);
}
};
KeyboardEvents.KeyPressed += delegate(Object o, KeyEventArgs e)
{
if (FocusedWidget != null)
{
FocusedWidget.KeyDown(e);
}
};
KeyboardEvents.KeyReleased += delegate(Object o, KeyEventArgs e)
{
if (FocusedWidget != null)
{
FocusedWidget.KeyUp(e);
}
};
MouseEvents.ButtonDoubleClicked += delegate(Object o, MouseEventArgs e)
{
if (FocusedWidget != null)
{
FocusedWidget.MouseDoubleClick(e);
}
};
MouseEvents.ButtonPressed += delegate(Object o, MouseEventArgs e)
{
if (FocusedWidget != null)
{
FocusedWidget.MouseDown(e);
}
};
MouseEvents.MouseMoved += delegate(Object o, MouseEventArgs e)
{
if (FocusedWidget != null)
{
FocusedWidget.MouseMove(e);
}
};
MouseEvents.ButtonReleased += delegate(Object o, MouseEventArgs e)
{
if (FocusedWidget != null)
{
FocusedWidget.MouseUp(e);
}
};
MouseEvents.MouseWheelMoved += delegate(Object o, MouseEventArgs e)
{
if (FocusedWidget != null)
{
FocusedWidget.MouseWheel(e);
}
};
#endregion
}
public void Update()
{
List <InputEventMouse> mouse_events = Library.Input.GetMouseEvents();
List <InputEventKeyboard> kb_events = Library.Input.GetKeyboardEvents();
#region Mouse Events
foreach (InputEventMouse e in mouse_events)
{
switch (e.EventType)
{
case MouseEvent.Move:
if (PressedWidget != null)
{
PressedWidget.MouseMove(e);
if (PressedWidget.BlocksInput)
{
continue;
}
}
if (HoverWidget != null)
{
HoverWidget.MouseMove(e);
}
HoverWidget = FindHover();
break;
case MouseEvent.Down:
if (HoverWidget != null)
{
PressedWidget = HoverWidget;
KeyboardFocusWidget = HoverWidget;
PressedWidget.MouseDown(e);
}
break;
case MouseEvent.Up:
if (PressedWidget != null)
{
PressedWidget.MouseUp(e);
PressedWidget = null;
}
break;
case MouseEvent.Click:
if (HoverWidget != null)
{
PressedWidget = HoverWidget;
PressedWidget.MouseClick(e);
}
break;
case MouseEvent.DoubleClick:
if (PressedWidget != null)
{
PressedWidget.MouseClick(e);
PressedWidget.MouseDoubleClick(e);
}
break;
case MouseEvent.WheelScroll:
if (PressedWidget != null)
{
PressedWidget.MouseWheel(e);
}
else if (HoverWidget != null)
{
HoverWidget.MouseWheel(e);
}
break;
}
}
#endregion
#region Keyboard Events
foreach (InputEventKeyboard e in kb_events)
{
switch (e.EventType)
{
case KeyboardEvent.Press:
if (m_KeyboardEvents != null)
{
m_KeyboardEvents(e);
}
if (KeyboardFocusWidget != null)
{
KeyboardFocusWidget.CharEntered(e);
}
break;
case KeyboardEvent.Down:
if (KeyboardFocusWidget != null)
{
KeyboardFocusWidget.KeyDown(e);
}
break;
case KeyboardEvent.Up:
if (KeyboardFocusWidget != null)
{
KeyboardFocusWidget.KeyUp(e);
}
break;
}
}
#endregion
}