internal static CGSize TranslateWindowSizeToCocoaWindowSize(CreateParams cp, CGSize size)
{
/* From XplatUIX11
* If this is a form with no window manager, X is handling all the border and caption painting
* so remove that from the area (since the area we set of the window here is the part of the window
* we're painting in only)
*/
Form form = cp.control as Form;
if (form != null && (form.window_manager == null || cp.IsSet(WindowExStyles.WS_EX_TOOLWINDOW)))
{
Hwnd.Borders borders = Hwnd.GetBorders(cp, null);
CGSize qsize = size;
qsize.Width -= borders.left + borders.right;
qsize.Height -= borders.top + borders.bottom;
size = qsize;
}
if (size.Height == 0)
{
size.Height = 1;
}
if (size.Width == 0)
{
size.Width = 1;
}
return(size);
}
internal static CGRect TranslateClientRectangleToQuartzClientRectangle(Hwnd hwnd, Control ctrl)
{
/* From XplatUIX11
* If this is a form with no window manager, X is handling all the border and caption painting
* so remove that from the area (since the area we set of the window here is the part of the window
* we're painting in only)
*/
var crect = hwnd.ClientRect;
CGRect rect = new CGRect(crect.X, crect.Y, crect.Width, crect.Height);
Form form = ctrl as Form;
CreateParams cp = null;
if (form != null)
{
cp = form.GetCreateParams();
}
if (form != null && (form.window_manager == null || cp.IsSet(WindowExStyles.WS_EX_TOOLWINDOW)))
{
Hwnd.Borders borders = Hwnd.GetBorders(cp, null);
CGRect qrect = rect;
qrect.Y -= borders.top;
qrect.X -= borders.left;
qrect.Width += borders.left + borders.right;
qrect.Height += borders.top + borders.bottom;
rect = qrect;
}
if (rect.Width < 1 || rect.Height < 1)
{
rect.Width = 1;
rect.Height = 1;
rect.X = -5;
rect.Y = -5;
}
return(rect);
}
static Hwnd.Borders FrameExtents (IntPtr window)
{
IntPtr actual_atom;
int actual_format;
IntPtr nitems;
IntPtr bytes_after;
IntPtr prop = IntPtr.Zero;
Hwnd.Borders rect = new Hwnd.Borders ();
XGetWindowProperty (DisplayHandle, window, _NET_FRAME_EXTENTS, IntPtr.Zero, new IntPtr (16), false, (IntPtr)Atom.XA_CARDINAL, out actual_atom, out actual_format, out nitems, out bytes_after, ref prop);
if (prop != IntPtr.Zero) {
if (nitems.ToInt32 () == 4) {
rect.left = Marshal.ReadInt32 (prop, 0);
rect.right = Marshal.ReadInt32 (prop, IntPtr.Size);
rect.top = Marshal.ReadInt32 (prop, 2 * IntPtr.Size);
rect.bottom = Marshal.ReadInt32 (prop, 3 * IntPtr.Size);
}
XFree (prop);
}
return rect;
}