/// <summary>
/// 引发 System.Windows.Forms.Form.MouseDown。
/// </summary>
/// <param name="e">包含事件数据的 System.Windows.Forms.MouseEventArgs。</param>
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (TitleBarMenuRect.Contains(e.Location))
{
TitleBarMenuState = TMouseState.Down;
}
}
/// <summary>
/// 引发 System.Windows.Forms.Form.MouseUp。
/// </summary>
/// <param name="e">包含事件数据的 System.Windows.Forms.MouseEventArgs。</param>
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (TitleBarMenuRect.Contains(e.Location) && TitleBarMenuState == TMouseState.Down)
{
TitleBarMenuState = TMouseState.Up;
MenuClick?.Invoke(this, EventArgs.Empty);
var contextMenuStrip = MenuLabel.ContextMenuStrip;
if (contextMenuStrip != null)
{
contextMenuStrip.Closed -= ContextMenuStrip_Closed;
contextMenuStrip.Closed += ContextMenuStrip_Closed;
var point = PointToScreen(new Point(TitleBarMenuRect.Left + TitleBarMenuRect.Width / 2 - 3,
TitleBarMenuRect.Top + TitleBarMenuRect.Height));
contextMenuStrip.Show(point);
}
}
}
/// <summary>
/// 引发 System.Windows.Forms.Form.MouseMove。
/// </summary>
/// <param name="e">包含事件数据的 System.Windows.Forms.MouseEventArgs。</param>
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (e.Button == MouseButtons.Left)
{
return;
}
var flag = true;
string tipText = null;
var point = e.Location;
if (CloseContains(point))
{
flag = false;
if (CloseState != TMouseState.Move)
{
CloseState = TMouseState.Move;
tipText = "关闭";
}
}
else
{
CloseState = TMouseState.Normal;
}
if (MiniRect.Contains(point))
{
flag = false;
if (MinState != TMouseState.Move)
{
MinState = TMouseState.Move;
tipText = "最小化";
}
}
else
{
MinState = TMouseState.Normal;
}
if (MaxRect.Contains(point))
{
flag = false;
if (MaxState != TMouseState.Move)
{
MaxState = TMouseState.Move;
tipText = WindowState == FormWindowState.Maximized ? "还原" : "最大化";
}
}
else
{
MaxState = TMouseState.Normal;
}
if (TitleBarMenuRect.Contains(e.Location))
{
flag = false;
if (TitleBarMenuState != TMouseState.Move)
{
TitleBarMenuState = TMouseState.Move;
tipText = "菜单栏";
}
}
else
{
TitleBarMenuState = TMouseState.Normal;
}
if (tipText != null)
{
ShowTooTip(tipText);
}
if (flag)
{
HideToolTip();
}
}
