private static void UpdateHoveredControl(ControlBase inCanvas)
{
ControlBase hovered = inCanvas.GetControlAt(MousePosition.X, MousePosition.Y);
if (hovered != HoveredControl)
{
if (HoveredControl != null)
{
var oldHover = HoveredControl;
HoveredControl = null;
oldHover.InputMouseLeft();
}
HoveredControl = hovered;
if (HoveredControl != null)
{
HoveredControl.InputMouseEntered();
}
}
if (MouseFocus != null && MouseFocus.GetCanvas() == inCanvas)
{
if (HoveredControl != null)
{
var oldHover = HoveredControl;
HoveredControl = null;
oldHover.Redraw();
}
HoveredControl = MouseFocus;
}
}
/// <summary>
/// Mouse click handler.
/// </summary>
/// <param name="canvas">Canvas.</param>
/// <param name="mouseButton">Mouse button number.</param>
/// <param name="down">Specifies if the button is down.</param>
/// <returns>True if handled.</returns>
public static bool OnMouseClicked(ControlBase canvas, int mouseButton, bool down)
{
// If we click on a control that isn't a menu we want to close
// all the open menus. Menus are children of the canvas.
if (down && (null == HoveredControl || !HoveredControl.IsMenuComponent))
{
canvas.CloseMenus();
}
if (null == HoveredControl)
{
return(false);
}
if (HoveredControl.GetCanvas() != canvas)
{
return(false);
}
if (!HoveredControl.IsVisible)
{
return(false);
}
if (HoveredControl == canvas)
{
return(false);
}
if (mouseButton > MaxMouseButtons)
{
return(false);
}
if (mouseButton == 0)
{
m_KeyData.LeftMouseDown = down;
}
else if (mouseButton == 1)
{
m_KeyData.RightMouseDown = down;
}
// Double click.
// Todo: Shouldn't double click if mouse has moved significantly
bool isDoubleClick = false;
if (down &&
m_LastClickPos.X == MousePosition.X &&
m_LastClickPos.Y == MousePosition.Y &&
(Platform.GwenPlatform.GetTimeInSeconds() - m_LastClickTime[mouseButton]) < DoubleClickSpeed)
{
isDoubleClick = true;
}
if (down && !isDoubleClick)
{
m_LastClickTime[mouseButton] = Platform.GwenPlatform.GetTimeInSeconds();
m_LastClickPos = MousePosition;
}
if (down)
{
FindKeyboardFocus(HoveredControl);
}
HoveredControl.UpdateCursor();
// This tells the child it has been touched, which
// in turn tells its parents, who tell their parents.
// This is basically so that Windows can pop themselves
// to the top when one of their children have been clicked.
if (down)
{
HoveredControl.Touch();
}
#if GWEN_HOOKSYSTEM
if (bDown)
{
if (Hook::CallHook(&Hook::BaseHook::OnControlClicked, HoveredControl, MousePosition.x,
MousePosition.y))
{
return(true);
}
}
#endif
switch (mouseButton)
{
case 0:
{
if (DragAndDrop.OnMouseButton(HoveredControl, MousePosition.X, MousePosition.Y, down))
{
return(true);
}
if (isDoubleClick)
{
HoveredControl.InputMouseDoubleClickedLeft(MousePosition.X, MousePosition.Y);
}
else
{
HoveredControl.InputMouseClickedLeft(MousePosition.X, MousePosition.Y, down);
}
return(true);
}
case 1:
{
if (isDoubleClick)
{
HoveredControl.InputMouseDoubleClickedRight(MousePosition.X, MousePosition.Y);
}
else
{
HoveredControl.InputMouseClickedRight(MousePosition.X, MousePosition.Y, down);
}
return(true);
}
}
return(false);
}