void PerformNCCalc(Hwnd hwnd) {
XplatUIWin32.NCCALCSIZE_PARAMS ncp;
IntPtr ptr;
Rectangle rect;
rect = new Rectangle (0, 0, hwnd.Width, hwnd.Height);
ncp = new XplatUIWin32.NCCALCSIZE_PARAMS();
ptr = Marshal.AllocHGlobal(Marshal.SizeOf(ncp));
ncp.rgrc1.left = rect.Left;
ncp.rgrc1.top = rect.Top;
ncp.rgrc1.right = rect.Right;
ncp.rgrc1.bottom = rect.Bottom;
Marshal.StructureToPtr(ncp, ptr, true);
NativeWindow.WndProc(hwnd.client_window, Msg.WM_NCCALCSIZE, (IntPtr)1, ptr);
ncp = (XplatUIWin32.NCCALCSIZE_PARAMS)Marshal.PtrToStructure(ptr, typeof(XplatUIWin32.NCCALCSIZE_PARAMS));
Marshal.FreeHGlobal(ptr);
rect = new Rectangle(ncp.rgrc1.left, ncp.rgrc1.top, ncp.rgrc1.right - ncp.rgrc1.left, ncp.rgrc1.bottom - ncp.rgrc1.top);
hwnd.ClientRect = rect;
rect = TranslateClientRectangleToXClientRectangle (hwnd);
if (hwnd.visible) {
MoveResizeWindow (DisplayHandle, hwnd.client_window, rect.X, rect.Y, rect.Width, rect.Height);
}
AddExpose (hwnd, hwnd.WholeWindow == hwnd.ClientWindow, 0, 0, hwnd.Width, hwnd.Height);
}
internal override bool GetMessage (ref MSG msg, IntPtr handle, int wFilterMin, int wFilterMax)
{
XEvent xevent;
bool client;
Hwnd hwnd;
ProcessNextMessage:
if (MessageQueue.Count > 0) {
xevent = (XEvent) MessageQueue.Dequeue ();
} else {
UpdateMessageQueue ();
if (MessageQueue.Count > 0) {
xevent = (XEvent) MessageQueue.Dequeue ();
} else {
if (!PostQuitState) {
msg.hwnd = IntPtr.Zero;
msg.message = Msg.WM_ENTERIDLE;
return true;
}
// We reset ourselves so GetMessage can be called again
PostQuitState = false;
return false;
}
}
// FIXME - handle filtering
hwnd = Hwnd.GetObjectFromWindow (xevent.AnyEvent.window);
// Handle messages for windows that are already or are about to be destroyed
if (hwnd == null) {
#if DriverDebug
Console.WriteLine("GetMessage(): Got message {0} for non-existent or already destroyed window {1:X}", xevent.type, xevent.AnyEvent.window.ToInt32());
#endif
goto ProcessNextMessage;
}
if (hwnd.client_window == xevent.AnyEvent.window) {
client = true;
//Console.WriteLine("Client message, sending to window {0:X}", msg.hwnd.ToInt32());
} else {
client = false;
//Console.WriteLine("Non-Client message, sending to window {0:X}", msg.hwnd.ToInt32());
}
msg.hwnd = hwnd.Handle;
//
// If you add a new event to this switch make sure to add it in
// UpdateMessage also unless it is not coming through the X event system.
//
switch (xevent.type) {
case XEventName.KeyPress: {
Keyboard.KeyEvent (FocusWindow, xevent, ref msg);
break;
}
case XEventName.KeyRelease: {
Keyboard.KeyEvent (FocusWindow, xevent, ref msg);
break;
}
case XEventName.ButtonPress: {
switch (xevent.ButtonEvent.button) {
case 1: {
MouseState |= MouseButtons.Left;
if (client) {
msg.message = Msg.WM_LBUTTONDOWN;
} else {
msg.message = Msg.WM_NCLBUTTONDOWN;
WholeToScreen (msg.hwnd, ref xevent.ButtonEvent.x, ref xevent.ButtonEvent.y);
}
// TODO: For WM_NCLBUTTONDOWN wParam specifies a hit-test value not the virtual keys down
msg.wParam = GetMousewParam (0);
break;
}
case 2: {
MouseState |= MouseButtons.Middle;
if (client) {
msg.message = Msg.WM_MBUTTONDOWN;
} else {
msg.message = Msg.WM_NCMBUTTONDOWN;
WholeToScreen (msg.hwnd, ref xevent.ButtonEvent.x, ref xevent.ButtonEvent.y);
}
msg.wParam = GetMousewParam (0);
break;
}
case 3: {
MouseState |= MouseButtons.Right;
if (client) {
msg.message = Msg.WM_RBUTTONDOWN;
} else {
msg.message = Msg.WM_NCRBUTTONDOWN;
WholeToScreen (msg.hwnd, ref xevent.ButtonEvent.x, ref xevent.ButtonEvent.y);
}
msg.wParam = GetMousewParam (0);
break;
}
case 4: {
msg.message = Msg.WM_MOUSEWHEEL;
msg.wParam = GetMousewParam (120);
break;
}
case 5: {
msg.message = Msg.WM_MOUSEWHEEL;
msg.wParam = GetMousewParam (-120);
break;
}
}
msg.lParam = (IntPtr) (xevent.ButtonEvent.y << 16 | xevent.ButtonEvent.x);
MousePosition.X = xevent.ButtonEvent.x;
MousePosition.Y = xevent.ButtonEvent.y;
if (!hwnd.Enabled) {
IntPtr dummy;
msg.hwnd = hwnd.EnabledHwnd;
XTranslateCoordinates (DisplayHandle, xevent.AnyEvent.window, Hwnd.ObjectFromHandle (msg.hwnd).ClientWindow, xevent.ButtonEvent.x, xevent.ButtonEvent.y, out xevent.ButtonEvent.x, out xevent.ButtonEvent.y, out dummy);
msg.lParam = (IntPtr)(MousePosition.Y << 16 | MousePosition.X);
}
if (Grab.Hwnd != IntPtr.Zero) {
msg.hwnd = Grab.Hwnd;
}
if (!ClickPending.Pending) {
ClickPending.Pending = true;
ClickPending.Hwnd = msg.hwnd;
ClickPending.Message = msg.message;
ClickPending.wParam = msg.wParam;
ClickPending.lParam = msg.lParam;
ClickPending.Time = (long)xevent.ButtonEvent.time;
} else {
if ((((long)xevent.ButtonEvent.time - ClickPending.Time) < DoubleClickInterval) && (msg.wParam == ClickPending.wParam) && (msg.lParam == ClickPending.lParam) && (msg.message == ClickPending.Message)) {
// Looks like a genuine double click, clicked twice on the same spot with the same keys
switch (xevent.ButtonEvent.button) {
case 1: {
msg.message = client ? Msg.WM_LBUTTONDBLCLK : Msg.WM_NCLBUTTONDBLCLK;
break;
}
case 2: {
msg.message = client ? Msg.WM_MBUTTONDBLCLK : Msg.WM_NCMBUTTONDBLCLK;
break;
}
case 3: {
msg.message = client ? Msg.WM_RBUTTONDBLCLK : Msg.WM_NCRBUTTONDBLCLK;
break;
}
}
}
ClickPending.Pending = false;
}
break;
}
case XEventName.ButtonRelease: {
Dnd.HandleButtonRelease (ref xevent);
switch (xevent.ButtonEvent.button) {
case 1: {
if (client) {
msg.message = Msg.WM_LBUTTONUP;
} else {
msg.message = Msg.WM_NCLBUTTONUP;
WholeToScreen (msg.hwnd, ref xevent.ButtonEvent.x, ref xevent.ButtonEvent.y);
}
msg.wParam = GetMousewParam (0);
MouseState &= ~MouseButtons.Left;
break;
}
case 2: {
if (client) {
msg.message = Msg.WM_MBUTTONUP;
} else {
msg.message = Msg.WM_NCMBUTTONUP;
WholeToScreen (msg.hwnd, ref xevent.ButtonEvent.x, ref xevent.ButtonEvent.y);
}
msg.wParam = GetMousewParam (0);
MouseState &= ~MouseButtons.Middle;
break;
}
case 3: {
if (client) {
msg.message = Msg.WM_RBUTTONUP;
} else {
msg.message = Msg.WM_NCRBUTTONUP;
WholeToScreen (msg.hwnd, ref xevent.ButtonEvent.x, ref xevent.ButtonEvent.y);
}
msg.wParam = GetMousewParam (0);
MouseState &= ~MouseButtons.Right;
break;
}
case 4: {
goto ProcessNextMessage;
}
case 5: {
goto ProcessNextMessage;
}
}
if (!hwnd.Enabled) {
IntPtr dummy;
msg.hwnd = hwnd.EnabledHwnd;
XTranslateCoordinates (DisplayHandle, xevent.AnyEvent.window, Hwnd.ObjectFromHandle (msg.hwnd).ClientWindow, xevent.ButtonEvent.x, xevent.ButtonEvent.y, out xevent.ButtonEvent.x, out xevent.ButtonEvent.y, out dummy);
msg.lParam = (IntPtr)(MousePosition.Y << 16 | MousePosition.X);
}
if (Grab.Hwnd != IntPtr.Zero) {
msg.hwnd = Grab.Hwnd;
}
msg.lParam = (IntPtr) (xevent.ButtonEvent.y << 16 | xevent.ButtonEvent.x);
MousePosition.X = xevent.ButtonEvent.x;
MousePosition.Y = xevent.ButtonEvent.y;
break;
}
case XEventName.MotionNotify: {
if (client) {
#if DriverDebugExtra
Console.WriteLine("GetMessage(): Window {0:X} MotionNotify x={1} y={2}", client ? hwnd.client_window.ToInt32() : hwnd.whole_window.ToInt32(), xevent.MotionEvent.x, xevent.MotionEvent.y);
#endif
if (Dnd.HandleMotionNotify (ref xevent))
goto ProcessNextMessage;
if (Grab.Hwnd != IntPtr.Zero) {
msg.hwnd = Grab.Hwnd;
} else {
NativeWindow.WndProc (msg.hwnd, Msg.WM_SETCURSOR, msg.hwnd, (IntPtr)HitTest.HTCLIENT);
}
msg.message = Msg.WM_MOUSEMOVE;
msg.wParam = GetMousewParam (0);
msg.lParam = (IntPtr) (xevent.MotionEvent.y << 16 | xevent.MotionEvent.x & 0xFFFF);
if (!hwnd.Enabled) {
IntPtr dummy;
msg.hwnd = hwnd.EnabledHwnd;
XTranslateCoordinates (DisplayHandle, xevent.AnyEvent.window, Hwnd.ObjectFromHandle (msg.hwnd).ClientWindow, xevent.MotionEvent.x, xevent.MotionEvent.y, out xevent.MotionEvent.x, out xevent.MotionEvent.y, out dummy);
msg.lParam = (IntPtr)(MousePosition.Y << 16 | MousePosition.X);
}
HoverState.X = MousePosition.X = xevent.MotionEvent.x;
HoverState.Y = MousePosition.Y = xevent.MotionEvent.y;
break;
} else {
#if DriverDebugExtra
Console.WriteLine("GetMessage(): non-client area {0:X} MotionNotify x={1} y={2}", client ? hwnd.client_window.ToInt32() : hwnd.whole_window.ToInt32(), xevent.MotionEvent.x, xevent.MotionEvent.y);
#endif
msg.message = Msg.WM_NCMOUSEMOVE;
msg.lParam = (IntPtr) (xevent.MotionEvent.y << 16 | xevent.MotionEvent.x & 0xFFFF);
if (!hwnd.Enabled) {
IntPtr dummy;
msg.hwnd = hwnd.EnabledHwnd;
XTranslateCoordinates (DisplayHandle, xevent.AnyEvent.window, Hwnd.ObjectFromHandle (msg.hwnd).ClientWindow, xevent.MotionEvent.x, xevent.MotionEvent.y, out xevent.MotionEvent.x, out xevent.MotionEvent.y, out dummy);
msg.lParam = (IntPtr)(MousePosition.Y << 16 | MousePosition.X);
}
#if notyet
// Not sure we need this...
HitTest ht;
ht = NativeWindow.WndProc(hwnd.client_window, Msg.WM_NCHITTEST, IntPtr.Zero, msg.lParam);
#endif
MousePosition.X = xevent.MotionEvent.x;
MousePosition.Y = xevent.MotionEvent.y;
}
break;
}
case XEventName.EnterNotify: {
if (!hwnd.Enabled) {
goto ProcessNextMessage;
}
if (xevent.CrossingEvent.mode != NotifyMode.NotifyNormal) {
goto ProcessNextMessage;
}
msg.message = Msg.WM_MOUSE_ENTER;
HoverState.Timer.Enabled = true;
HoverState.Window = xevent.CrossingEvent.window;
break;
}
case XEventName.LeaveNotify: {
if (!hwnd.Enabled) {
goto ProcessNextMessage;
}
if (xevent.CrossingEvent.mode != NotifyMode.NotifyNormal) {
goto ProcessNextMessage;
}
msg.message = Msg.WM_MOUSELEAVE;
HoverState.Timer.Enabled = false;
HoverState.Window = IntPtr.Zero;
break;
}
#if later
case XEventName.CreateNotify: {
if (client && (xevent.ConfigureEvent.xevent == xevent.ConfigureEvent.window)) {
msg.message = WM_CREATE;
// Set up CreateStruct
} else {
goto ProcessNextMessage;
}
break;
}
#endif
case XEventName.ReparentNotify: {
if (hwnd.parent == null) { // Toplevel
if (xevent.ReparentEvent.parent != IntPtr.Zero) {
// We need to adjust x/y
int dummy_int;
hwnd.Reparented = true;
gdk_window_get_geometry (gdk_window_lookup (hwnd.whole_window), out hwnd.x, out hwnd.y, out dummy_int, out dummy_int, out dummy_int);
msg.message = Msg.WM_WINDOWPOSCHANGED;
if (hwnd.opacity != 0xffffffff) {
uint opacity;
opacity = hwnd.opacity;
XChangeProperty (DisplayHandle, XGetParent (hwnd.whole_window), NetAtoms [(int)NA._NET_WM_WINDOW_OPACITY], Atom.XA_CARDINAL, 32, PropertyMode.Replace, ref opacity, 1);
}
} else {
hwnd.Reparented = false;
goto ProcessNextMessage;
}
}
break;
}
case XEventName.ConfigureNotify: {
if (!client && (xevent.ConfigureEvent.xevent == xevent.ConfigureEvent.window)) { // Ignore events for children (SubstructureNotify) and client areas
XplatUIWin32.NCCALCSIZE_PARAMS ncp;
IntPtr ptr;
Rectangle rect;
#if DriverDebugExtra
Console.WriteLine("GetMessage(): Window {0:X} ConfigureNotify x={1} y={2} width={3} height={4}", hwnd.client_window.ToInt32(), xevent.ConfigureEvent.x, xevent.ConfigureEvent.y, xevent.ConfigureEvent.width, xevent.ConfigureEvent.height);
#endif
msg.message = Msg.WM_WINDOWPOSCHANGED;
hwnd.configure_pending = false;
// We need to adjust our client window to track the resize of whole_window
rect = hwnd.DefaultClientRect;
ncp = new XplatUIWin32.NCCALCSIZE_PARAMS ();
ptr = Marshal.AllocHGlobal (Marshal.SizeOf (ncp));
ncp.rgrc1.left = rect.Left;
ncp.rgrc1.top = rect.Top;
ncp.rgrc1.right = rect.Right;
ncp.rgrc1.bottom = rect.Bottom;
Marshal.StructureToPtr (ncp, ptr, true);
NativeWindow.WndProc (hwnd.client_window, Msg.WM_NCCALCSIZE, (IntPtr)1, ptr);
ncp = (XplatUIWin32.NCCALCSIZE_PARAMS)Marshal.PtrToStructure (ptr, typeof(XplatUIWin32.NCCALCSIZE_PARAMS));
Marshal.FreeHGlobal (ptr);
// FIXME - debug this with Menus, need to set hwnd.ClientRect
rect = new Rectangle (ncp.rgrc1.left, ncp.rgrc1.top, ncp.rgrc1.right - ncp.rgrc1.left, ncp.rgrc1.bottom - ncp.rgrc1.top);
//Console.WriteLine("CreateOffscreenbuffer...");
// CreateOffscreenBuffer (ref hwnd.client_offscreen, rect.Width, rect.Height);
XMoveResizeWindow (DisplayHandle, hwnd.client_window, rect.X, rect.Y, rect.Width, rect.Height);
} else {
goto ProcessNextMessage;
}
msg.lParam = IntPtr.Zero; // FIXME - Generate LPWINDOWPOS structure and pass on
break;
}
case XEventName.FocusIn: {
if (!hwnd.Enabled) {
goto ProcessNextMessage;
}
msg.message = Msg.WM_SETFOCUS;
msg.wParam = IntPtr.Zero;
break;
}
case XEventName.FocusOut: {
if (!hwnd.Enabled) {
goto ProcessNextMessage;
}
msg.message = Msg.WM_KILLFOCUS;
msg.wParam = IntPtr.Zero;
break;
}
case XEventName.Expose: {
if (PostQuitState) {
goto ProcessNextMessage;
}
if (client) {
if (!hwnd.expose_pending) {
goto ProcessNextMessage;
}
} else {
if (!hwnd.nc_expose_pending) {
goto ProcessNextMessage;
}
switch (hwnd.border_style) {
case FormBorderStyle.Fixed3D: {
Graphics g;
g = Graphics.FromHwnd (hwnd.whole_window);
ControlPaint.DrawBorder3D (g, new Rectangle (0, 0, hwnd.Width, hwnd.Height));
g.Dispose ();
break;
}
case FormBorderStyle.FixedSingle: {
Graphics g;
g = Graphics.FromHwnd (hwnd.whole_window);
ControlPaint.DrawBorder (g, new Rectangle (0, 0, hwnd.Width, hwnd.Height), Color.Black, ButtonBorderStyle.Solid);
g.Dispose ();
break;
}
}
#if DriverDebugExtra
Console.WriteLine("GetMessage(): Window {0:X} Exposed non-client area {1},{2} {3}x{4}", hwnd.client_window.ToInt32(), xevent.ExposeEvent.x, xevent.ExposeEvent.y, xevent.ExposeEvent.width, xevent.ExposeEvent.height);
#endif
Rectangle rect = new Rectangle (xevent.ExposeEvent.x, xevent.ExposeEvent.y, xevent.ExposeEvent.width, xevent.ExposeEvent.height);
Region region = new Region (rect);
IntPtr hrgn = region.GetHrgn (null); // Graphics object isn't needed
msg.message = Msg.WM_NCPAINT;
msg.wParam = hrgn;
hwnd.nc_expose_pending = false;
break;
}
#if DriverDebugExtra
Console.WriteLine("GetMessage(): Window {0:X} Exposed area {1},{2} {3}x{4}", hwnd.client_window.ToInt32(), xevent.ExposeEvent.x, xevent.ExposeEvent.y, xevent.ExposeEvent.width, xevent.ExposeEvent.height);
#endif
if (Caret.Visible == 1) {
Caret.Paused = true;
HideCaret ();
}
if (Caret.Visible == 1) {
ShowCaret ();
Caret.Paused = false;
}
msg.message = Msg.WM_PAINT;
break;
}
case XEventName.DestroyNotify: {
// This is a bit tricky, we don't receive our own DestroyNotify, we only get those for our children
hwnd = Hwnd.ObjectFromHandle (xevent.DestroyWindowEvent.window);
// We may get multiple for the same window, act only one the first (when Hwnd still knows about it)
if (hwnd.client_window == xevent.DestroyWindowEvent.window) {
msg.hwnd = hwnd.client_window;
msg.message = Msg.WM_DESTROY;
hwnd.Dispose ();
#if DriverDebug
Console.WriteLine("Got DestroyNotify on Window {0:X}", msg.hwnd.ToInt32());
#endif
} else {
goto ProcessNextMessage;
}
break;
}
case XEventName.ClientMessage: {
if (Dnd.HandleClientMessage (ref xevent)) {
goto ProcessNextMessage;
}
if (xevent.ClientMessageEvent.message_type == (IntPtr)AsyncAtom) {
XplatUIDriverSupport.ExecuteClientMessage ((GCHandle)xevent.ClientMessageEvent.ptr1);
break;
}
if (xevent.ClientMessageEvent.message_type == (IntPtr)HoverState.Atom) {
msg.message = Msg.WM_MOUSEHOVER;
msg.wParam = GetMousewParam (0);
msg.lParam = (IntPtr) (xevent.ClientMessageEvent.ptr1);
break;
}
if (xevent.ClientMessageEvent.message_type == (IntPtr)PostAtom) {
msg.hwnd = xevent.ClientMessageEvent.ptr1;
msg.message = (Msg) xevent.ClientMessageEvent.ptr2.ToInt32 ();
msg.wParam = xevent.ClientMessageEvent.ptr3;
msg.lParam = xevent.ClientMessageEvent.ptr4;
break;
}
#if dontcare
if (xevent.ClientMessageEvent.message_type == (IntPtr)NetAtoms[(int)NA._XEMBED]) {
Console.WriteLine("GOT EMBED MESSAGE {0:X}", xevent.ClientMessageEvent.ptr2.ToInt32());
break;
}
#endif
if (xevent.ClientMessageEvent.message_type == (IntPtr)NetAtoms [(int)NA.WM_PROTOCOLS]) {
if (xevent.ClientMessageEvent.ptr1 == (IntPtr)NetAtoms [(int)NA.WM_DELETE_WINDOW]) {
msg.message = Msg.WM_CLOSE;
Graphics.FromHdcInternal (IntPtr.Zero);
break;
}
// We should not get this, but I'll leave the code in case we need it in the future
if (xevent.ClientMessageEvent.ptr1 == (IntPtr)NetAtoms [(int)NA.WM_TAKE_FOCUS]) {
goto ProcessNextMessage;
}
}
break;
}
case XEventName.TimerNotify: {
xevent.TimerNotifyEvent.handler (this, EventArgs.Empty);
break;
}
default: {
goto ProcessNextMessage;
}
}
return true;
}
internal void PerformNCCalc(Hwnd hwnd) {
XplatUIWin32.NCCALCSIZE_PARAMS ncp;
IntPtr ptr;
Rectangle rect;
rect = new Rectangle (0, 0, hwnd.Width, hwnd.Height);
ncp = new XplatUIWin32.NCCALCSIZE_PARAMS();
ptr = Marshal.AllocHGlobal(Marshal.SizeOf(ncp));
ncp.rgrc1.left = rect.Left;
ncp.rgrc1.top = rect.Top;
ncp.rgrc1.right = rect.Right;
ncp.rgrc1.bottom = rect.Bottom;
Marshal.StructureToPtr(ncp, ptr, true);
NativeWindow.WndProc(hwnd.client_window, Msg.WM_NCCALCSIZE, (IntPtr)1, ptr);
ncp = (XplatUIWin32.NCCALCSIZE_PARAMS)Marshal.PtrToStructure(ptr, typeof(XplatUIWin32.NCCALCSIZE_PARAMS));
Marshal.FreeHGlobal(ptr);
rect = new Rectangle(ncp.rgrc1.left, ncp.rgrc1.top, ncp.rgrc1.right - ncp.rgrc1.left, ncp.rgrc1.bottom - ncp.rgrc1.top);
hwnd.ClientRect = rect;
rect = TranslateClientRectangleToQuartzClientRectangle (hwnd);
if (hwnd.visible) {
Carbon.HIRect r = new Carbon.HIRect (rect.X, rect.Y, rect.Width, rect.Height);
HIViewSetFrame (hwnd.client_window, ref r);
}
AddExpose (hwnd, false, 0, 0, hwnd.Width, hwnd.Height);
}
public void PerformNCCalc ()
{
XplatUIWin32.NCCALCSIZE_PARAMS ncp;
IntPtr ptr;
Rectangle rect;
rect = DefaultClientRect;
ncp = new XplatUIWin32.NCCALCSIZE_PARAMS ();
ptr = Marshal.AllocHGlobal (Marshal.SizeOf(ncp));
ncp.rgrc1.left = rect.Left;
ncp.rgrc1.top = rect.Top;
ncp.rgrc1.right = rect.Right;
ncp.rgrc1.bottom = rect.Bottom;
Marshal.StructureToPtr (ncp, ptr, true);
NativeWindow.WndProc (ClientWindow, Msg.WM_NCCALCSIZE, (IntPtr)1, ptr);
ncp = (XplatUIWin32.NCCALCSIZE_PARAMS)Marshal.PtrToStructure (ptr, typeof(XplatUIWin32.NCCALCSIZE_PARAMS));
Marshal.FreeHGlobal(ptr);
// FIXME - debug this with Menus
rect = new Rectangle(ncp.rgrc1.left, ncp.rgrc1.top, ncp.rgrc1.right - ncp.rgrc1.left, ncp.rgrc1.bottom - ncp.rgrc1.top);
ClientRect = rect;
if (Visible) {
if ((rect.Width < 1) || (rect.Height < 1))
Xlib.XMoveResizeWindow (display.Handle, ClientWindow, -5, -5, 1, 1);
else
Xlib.XMoveResizeWindow (display.Handle, ClientWindow, rect.X, rect.Y, rect.Width, rect.Height);
}
InvalidateNC ();
}