protected override void WndProc(ref Message m)
{
if (this.DesignMode)
{
base.WndProc(ref m);
return;
}
Win32.Message msgId = (Win32.Message)m.Msg;
bool UseBase = true;
switch (msgId)
{
case Win32.Message.WM_LBUTTONUP:
{
if (Win32.GetCapture() != IntPtr.Zero)
{
Win32.ReleaseCapture();
}
}
break;
case Win32.Message.WM_ENTERSIZEMOVE:
{
}
break;
case Win32.Message.WM_EXITSIZEMOVE:
{
m_isDown.Left = false;
m_moving = false;
if (m_enhanced)
{
this.SuspendLayout();
foreach (Control ctrl in m_hiddenControls)
{
ctrl.Visible = true;
}
m_hiddenControls.Clear();
this.ResumeLayout();
updateLayeredBackground(this.ClientSize.Width, this.ClientSize.Height, m_layeredWnd.LayeredPos, false);
}
}
break;
case Win32.Message.WM_MOUSEMOVE:
if (Win32.GetCapture() != IntPtr.Zero && m_moving)
{
if (m_enhanced)
{
IntPtr hdcScreen = Win32.GetWindowDC(m_layeredWnd.Handle);
IntPtr windowDC = Win32.GetDC(this.Handle);
IntPtr memDC = Win32.CreateCompatibleDC(windowDC);
IntPtr BmpMask = Win32.CreateBitmap(this.ClientSize.Width,
this.ClientSize.Height, 1, 1, IntPtr.Zero);
Bitmap backImage = m_useBackgroundEx ? m_backgroundFull : m_background;
IntPtr BmpBack = backImage.GetHbitmap(Color.FromArgb(0));
Win32.SelectObject(memDC, BmpMask);
uint oldCol = Win32.SetBkColor(windowDC, 0x00FF00FF);
Win32.BitBlt(memDC, 0, 0, this.ClientSize.Width, this.ClientSize.Height, windowDC, 0, 0, Win32.TernaryRasterOperations.SRCCOPY);
Win32.SetBkColor(windowDC, oldCol);
Win32.SelectObject(memDC, BmpBack);
IntPtr brush = Win32.CreateSolidBrush(0x00FFFFFF);
Win32.SelectObject(memDC, brush);
Win32.MaskBlt(memDC, 0, 0, backImage.Width, backImage.Height, windowDC, 0, 0, BmpMask, 0, 0, 0xCFAA0020);
Point zero = new Point(0, 0);
Size size = m_layeredWnd.LayeredSize;
Point pos = m_layeredWnd.LayeredPos;
Win32.BLENDFUNCTION blend = new Win32.BLENDFUNCTION();
blend.AlphaFormat = (byte)Win32.BlendOps.AC_SRC_ALPHA;
blend.BlendFlags = (byte)Win32.BlendFlags.None;
blend.BlendOp = (byte)Win32.BlendOps.AC_SRC_OVER;
blend.SourceConstantAlpha = (byte)(this.Opacity * 255);
Win32.UpdateLayeredWindow(m_layeredWnd.Handle, hdcScreen, ref pos, ref size, memDC, ref zero, 0, ref blend, Win32.BlendFlags.ULW_ALPHA);
Win32.ReleaseDC(IntPtr.Zero, hdcScreen);
Win32.ReleaseDC(this.Handle, windowDC);
Win32.DeleteDC(memDC);
Win32.DeleteObject(brush);
Win32.DeleteObject(BmpMask);
Win32.DeleteObject(BmpBack);
this.SuspendLayout();
foreach (Control ctrl in this.Controls)
{
if (ctrl.Visible)
{
m_hiddenControls.Add(ctrl);
ctrl.Visible = false;
}
}
this.ResumeLayout();
}
Win32.ReleaseCapture();
Win32.SendMessage(this.Handle, (int)Win32.Message.WM_NCLBUTTONDOWN, (int)Win32.Message.HTCAPTION, 0);
}
break;
case Win32.Message.WM_SIZE:
{
int width = m.LParam.ToInt32() & 0xFFFF;
int height = m.LParam.ToInt32() >> 16;
this.updateLayeredSize(width, height);
}
break;
case Win32.Message.WM_WINDOWPOSCHANGING:
{
Win32.WINDOWPOS posInfo = (Win32.WINDOWPOS)Marshal.PtrToStructure(m.LParam, typeof(Win32.WINDOWPOS));
Win32.WindowPosFlags move_size = Win32.WindowPosFlags.SWP_NOMOVE | Win32.WindowPosFlags.SWP_NOSIZE;
if ((posInfo.flags & move_size) != move_size)
{
if (posInfo.hwndInsertAfter != this.Handle)
{
IntPtr hwdp = Win32.BeginDeferWindowPos(2);
if (hwdp != IntPtr.Zero)
{
hwdp = Win32.DeferWindowPos(hwdp, m_layeredWnd.Handle, this.Handle, posInfo.x + m_offX, posInfo.y + m_offY,
0, 0, (uint)(posInfo.flags | Win32.WindowPosFlags.SWP_NOSIZE | Win32.WindowPosFlags.SWP_NOZORDER));
}
if (hwdp != IntPtr.Zero)
{
hwdp = Win32.DeferWindowPos(hwdp, this.Handle, this.Handle, posInfo.x, posInfo.y, posInfo.cx, posInfo.cy,
(uint)(posInfo.flags | Win32.WindowPosFlags.SWP_NOZORDER));
}
if (hwdp != IntPtr.Zero)
{
Win32.EndDeferWindowPos(hwdp);
}
m_layeredWnd.LayeredPos = new Point(posInfo.x + m_offX, posInfo.y + m_offY);
posInfo.flags |= Win32.WindowPosFlags.SWP_NOMOVE;
Marshal.StructureToPtr(posInfo, m.LParam, true);
}
if ((posInfo.flags & Win32.WindowPosFlags.SWP_NOSIZE) == 0)
{
int diffX = posInfo.cx - this.Size.Width;
int diffY = posInfo.cy - this.Size.Height;
if (diffX != 0 || diffY != 0)
{
this.updateLayeredSize(this.ClientSize.Width + diffX, this.ClientSize.Height + diffY);
}
}
UseBase = false;
}
}
break;
case Win32.Message.WM_ACTIVATE:
{
if (m.WParam != IntPtr.Zero)
{
IntPtr prevWnd = Win32.GetWindow(m_layeredWnd.Handle, Win32.GetWindow_Cmd.GW_HWNDPREV);
while (prevWnd != IntPtr.Zero)
{
if (Win32.IsWindowVisible(prevWnd))
{
break;
}
prevWnd = Win32.GetWindow(prevWnd, Win32.GetWindow_Cmd.GW_HWNDPREV);
}
if (prevWnd != this.Handle)
{
Win32.SetWindowPos(m_layeredWnd.Handle, this.Handle, 0, 0, 0, 0, (uint)(Win32.WindowPosFlags.SWP_NOSENDCHANGING | Win32.WindowPosFlags.SWP_NOACTIVATE | Win32.WindowPosFlags.SWP_NOSIZE | Win32.WindowPosFlags.SWP_NOMOVE));
}
}
}
break;
}
if (UseBase)
{
base.WndProc(ref m);
}
}
private int LayeredWindowWndProc(IntPtr hWnd, int Msg, int wParam, int lParam)
{
Point mousePos = this.PointToClient(System.Windows.Forms.Cursor.Position);
Win32.Message msgId = (Win32.Message)Msg;
switch (msgId)
{
case Win32.Message.WM_LBUTTONDOWN:
System.Diagnostics.Debugger.Break();
break;
case Win32.Message.WM_SETCURSOR:
{
Win32.SetCursor(Win32.LoadCursor(IntPtr.Zero, Win32.SystemCursor.IDC_NORMAL));
MouseEventArgs e = null;
delMouseEvent mouseEvent = null;
delStdEvent stdEvent = null;
Win32.Message MouseEvent = (Win32.Message)(lParam >> 16);
switch (MouseEvent)
{
case Win32.Message.WM_MOUSEMOVE:
{
if (m_isDown.Left && m_lockedPoint != mousePos)
{
System.Diagnostics.Debug.WriteLine("Setting Capture");
Win32.SetCapture(this.Handle);
m_moving = true;
}
else
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.None, 0, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseMove);
}
}
break;
case Win32.Message.WM_LBUTTONDOWN:
if (m_lastClickMsg == MouseEvent && !m_isDown.Left && dblClick(mousePos))
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.Left, 2, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseDoubleClick);
stdEvent = new delStdEvent(this.OnDoubleClick);
m_lastClickMsg = 0;
}
else if (!m_isDown.Left)
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.Left, 1, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseDown);
m_lastClickMsg = MouseEvent;
}
m_clickTime = DateTime.Now;
m_lockedPoint = mousePos;
m_isDown.Left = true;
break;
case Win32.Message.WM_LBUTTONUP:
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.Left, 1, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseClick);
stdEvent = new delStdEvent(this.OnClick);
m_isDown.Left = false;
}
break;
case Win32.Message.WM_MBUTTONDOWN:
if (m_lastClickMsg == MouseEvent && !m_isDown.Middle && dblClick(mousePos))
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.Middle, 2, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseDoubleClick);
stdEvent = new delStdEvent(this.OnDoubleClick);
m_lastClickMsg = 0;
}
else if (!m_isDown.Middle)
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.Middle, 1, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseDown);
m_lastClickMsg = MouseEvent;
m_clickTime = DateTime.Now;
m_lockedPoint = mousePos;
}
m_isDown.Middle = true;
break;
case Win32.Message.WM_MBUTTONUP:
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.Middle, 1, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseClick);
stdEvent = new delStdEvent(this.OnClick);
m_isDown.Middle = false;
}
break;
case Win32.Message.WM_RBUTTONDOWN:
if (m_lastClickMsg == MouseEvent && !m_isDown.Right && dblClick(mousePos))
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.Right, 2, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseDoubleClick);
stdEvent = new delStdEvent(this.OnDoubleClick);
m_lastClickMsg = 0;
}
else if (!m_isDown.Right)
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.Right, 1, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseDown);
m_lastClickMsg = MouseEvent;
m_clickTime = DateTime.Now;
m_lockedPoint = mousePos;
}
m_isDown.Right = true;
break;
case Win32.Message.WM_RBUTTONUP:
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.Right, 1, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseClick);
stdEvent = new delStdEvent(this.OnClick);
m_isDown.Right = false;
}
break;
case Win32.Message.WM_XBUTTONDOWN:
if (m_lastClickMsg == MouseEvent && !m_isDown.XBtn && dblClick(mousePos))
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.XButton1, 2, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseDoubleClick);
stdEvent = new delStdEvent(this.OnDoubleClick);
m_lastClickMsg = 0;
}
else if (!m_isDown.XBtn)
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.XButton1, 1, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseDown);
m_lastClickMsg = MouseEvent;
m_clickTime = DateTime.Now;
m_lockedPoint = mousePos;
}
m_isDown.XBtn = true;
break;
case Win32.Message.WM_XBUTTONUP:
{
e = new MouseEventArgs(System.Windows.Forms.MouseButtons.XButton1, 1, mousePos.X, mousePos.Y, 0);
mouseEvent = new delMouseEvent(this.OnMouseClick);
stdEvent = new delStdEvent(this.OnClick);
m_isDown.XBtn = false;
}
break;
}
bool mouseDown = m_isDown.Left || m_isDown.Middle || m_isDown.Right || m_isDown.XBtn;
if (mouseDown && Form.ActiveForm == null)
{
this.Activate();
}
if (e != null)
{
if (mouseEvent != null)
{
this.BeginInvoke(mouseEvent, e);
}
if (stdEvent != null)
{
this.BeginInvoke(stdEvent, e);
}
}
return(0);
}
}
return(Win32.CallWindowProc(m_layeredWindowProc, hWnd, Msg, wParam, lParam));
}
