public void HandleMouseEvent(GameTime gameTime)
{
bool mouseLeftDown = Main.mouseLeft && Main.hasFocus;
bool mouseRightDown = Main.mouseRight && Main.hasFocus;
// 响应鼠标事件的时候一定是从后往前，前端的窗口一定是第一个响应鼠标事件的
// 如果有多个前端窗口，那么优先响应当前焦点窗口
UIElement hoverElement = null;
int sz = uiRunningStack.Count;
for (int i = sz - 1; i >= 0; i--)
{
var state = uiRunningStack[i];
if (state.IsActive)
{
var element = state.ElementAt(Main.MouseScreen);
if (element != state)
{
hoverElement = element;
if (!_wasMouseLeftDown && mouseLeftDown)
{
_currentFocus = state;
_currentFocus.TimeGetFocus = _timer;
}
break;
}
}
}
// if (hoverElement != null) Main.NewText(hoverElement.ToString());
// 鼠标点击移动事件
if (hoverElement != null)
{
_tooltip = hoverElement.Tooltip;
Main.LocalPlayer.mouseInterface = true;
Main.LocalPlayer.releaseUseItem = true;
}
if (hoverElement != null && hoverElement != _previousHoverElement)
{
hoverElement.MouseEnter(new UIMouseEvent(hoverElement, gameTime.TotalGameTime, Main.MouseScreen));
}
if (_previousHoverElement != null && hoverElement != _previousHoverElement)
{
_previousHoverElement.MouseOut(new UIMouseEvent(_previousHoverElement, gameTime.TotalGameTime, Main.MouseScreen));
}
if (!_wasMouseLeftDown && mouseLeftDown)
{
if (hoverElement == null || _lastFocusElement != hoverElement)
{
_lastFocusElement?.UnFocus(new UIActionEvent(_lastLeftDownElement, gameTime.TotalGameTime));
}
}
// 鼠标左键
if (!_wasMouseLeftDown && mouseLeftDown && hoverElement != null)
{
hoverElement.MouseLeftDown(new UIMouseEvent(hoverElement, gameTime.TotalGameTime, Main.MouseScreen));
hoverElement.FocusOn(new UIActionEvent(hoverElement, gameTime.TotalGameTime));
hoverElement.DragStart(new UIMouseEvent(hoverElement, gameTime.TotalGameTime, Main.MouseScreen));
_lastLeftDownElement = hoverElement;
_lastFocusElement = hoverElement;
}
if (_wasMouseLeftDown && Main.mouseLeftRelease)
{
_lastLeftDownElement?.MouseLeftUp(new UIMouseEvent(hoverElement, gameTime.TotalGameTime, Main.MouseScreen));
_lastLeftDownElement?.DragEnd(new UIDragEndEvent(_lastLeftDownElement, hoverElement, gameTime.TotalGameTime, Main.MouseScreen));
if (_wasMouseLeftDown && Main.mouseLeftRelease && hoverElement != null && _lastLeftDownElement == hoverElement)
{
if (gameTime.TotalGameTime.TotalMilliseconds - _lastLeftClickTime > 200)
{
hoverElement.MouseLeftClick(new UIMouseEvent(hoverElement, gameTime.TotalGameTime, Main.MouseScreen));
}
else
{
hoverElement.MouseDoubleClick(new UIMouseEvent(hoverElement, gameTime.TotalGameTime, Main.MouseScreen));
}
_lastLeftClickElement = hoverElement;
_lastLeftClickTime = gameTime.TotalGameTime.TotalMilliseconds;
}
_lastLeftDownElement = null;
}
// 鼠标右键
if (!_wasMouseRightDown && mouseRightDown && hoverElement != null)
{
hoverElement.MouseRightDown(new UIMouseEvent(hoverElement, gameTime.TotalGameTime, Main.MouseScreen));
_lastRightDownElement = hoverElement;
}
if (_wasMouseRightDown && Main.mouseRightRelease)
{
_lastRightDownElement?.MouseRightUp(new UIMouseEvent(hoverElement, gameTime.TotalGameTime, Main.MouseScreen));
if (hoverElement != null && _lastRightDownElement == hoverElement)
{
hoverElement.MouseRightClick(new UIMouseEvent(hoverElement, gameTime.TotalGameTime, Main.MouseScreen));
_lastRightClickElement = hoverElement;
}
_lastRightDownElement = null;
}
// 滚轮
if (PlayerInput.ScrollWheelDeltaForUI != 0)
{
hoverElement?.ScrollWheel(new UIScrollWheelEvent(hoverElement, gameTime.TotalGameTime, PlayerInput.ScrollWheelDeltaForUI));
}
_previousHoverElement = hoverElement;
_wasMouseLeftDown = Main.mouseLeft;
_wasMouseRightDown = Main.mouseRight;
}
public void Remove(UIState state)
{
uiRunningStack.Remove(state);
}
public void AddState(UIState state)
{
UIStateMachine.Add(state);
}