// Get the contents of a 32-bit window property.
private Xlib.Xlong[] GetWindowProperty(XAtom name)
{
try
{
// Lock down the display and get the window handle.
IntPtr display = dpy.Lock();
XWindow handle = GetWidgetHandle();
// Fetch the value of the property.
XAtom actualTypeReturn;
Xlib.Xint actualFormatReturn;
Xlib.Xulong nitemsReturn;
Xlib.Xulong bytesAfterReturn;
IntPtr propReturn;
nitemsReturn = Xlib.Xulong.Zero;
if(Xlib.XGetWindowProperty
(display, handle, name, 0, 256,
XBool.False, XAtom.Zero,
out actualTypeReturn, out actualFormatReturn,
out nitemsReturn, out bytesAfterReturn,
out propReturn) == XStatus.Zero)
{
if(((uint)bytesAfterReturn) > 0)
{
// We didn't get everything, so try again.
if(propReturn != IntPtr.Zero)
{
Xlib.XFree(propReturn);
propReturn = IntPtr.Zero;
}
int length = 256 + (((int)bytesAfterReturn) / 4);
nitemsReturn = Xlib.Xulong.Zero;
if(Xlib.XGetWindowProperty
(display, handle, name, 0, length,
XBool.False, XAtom.Zero,
out actualTypeReturn,
out actualFormatReturn,
out nitemsReturn, out bytesAfterReturn,
out propReturn) != XStatus.Zero)
{
propReturn = IntPtr.Zero;
nitemsReturn = Xlib.Xulong.Zero;
}
}
}
else
{
propReturn = IntPtr.Zero;
nitemsReturn = Xlib.Xulong.Zero;
}
// Convert the property data into an array of longs.
Xlib.Xlong[] data = new Xlib.Xlong [(int)nitemsReturn];
int size, posn;
unsafe
{
size = sizeof(Xlib.Xlong);
}
for(posn = 0; posn < (int)nitemsReturn; ++posn)
{
if(size == 4)
{
data[posn] = (Xlib.Xlong)
Marshal.ReadInt32(propReturn, size * posn);
}
else if(size == 8)
{
data[posn] = (Xlib.Xlong)
Marshal.ReadInt64(propReturn, size * posn);
}
}
// Free the property data.
if(propReturn != IntPtr.Zero)
{
Xlib.XFree(propReturn);
}
// Return the final data to the caller.
return data;
}
finally
{
dpy.Unlock();
}
}
// Set the "_NET_WM_STATE" property, to include extended state requests.
private void SetNetState(IntPtr display, XWindow handle)
{
Xlib.Xlong[] atoms = new Xlib.Xlong [8];
int numAtoms = 0;
// Determine if the window should be hidden from the taskbar.
if((otherHints & OtherHints.HideFromTaskBar) != 0)
{
atoms[numAtoms++] =
(Xlib.Xlong)Xlib.XInternAtom
(display, "_NET_WM_STATE_SKIP_TASKBAR",
XBool.False);
atoms[numAtoms++] =
(Xlib.Xlong)Xlib.XInternAtom
(display, "_NET_WM_STATE_SKIP_PAGER",
XBool.False);
}
// Determine if the window should be made top-most on-screen.
if((otherHints & OtherHints.TopMost) != 0)
{
atoms[numAtoms++] =
(Xlib.Xlong)Xlib.XInternAtom
(display, "_NET_WM_STATE_ABOVE",
XBool.False);
}
// Determine if we should stick in a fixed position
if((otherHints & OtherHints.Sticky) != 0)
{
atoms[numAtoms++] =
(Xlib.Xlong)Xlib.XInternAtom
(display, "_NET_WM_STATE_STICKY",
XBool.False);
}
// Determine if we should shade
if((otherHints & OtherHints.Shaded) != 0)
{
atoms[numAtoms++] =
(Xlib.Xlong)Xlib.XInternAtom
(display, "_NET_WM_STATE_SHADED",
XBool.False);
}
// Determine if we should hide
if((otherHints & OtherHints.Hidden) != 0)
{
atoms[numAtoms++] =
(Xlib.Xlong)Xlib.XInternAtom
(display, "_NET_WM_STATE_HIDDEN",
XBool.False);
}
// Determine if we should go full screen
if((otherHints & OtherHints.FullScreen) != 0)
{
atoms[numAtoms++] =
(Xlib.Xlong)Xlib.XInternAtom
(display, "_NET_WM_STATE_FULLSCREEN",
XBool.False);
}
// Determine if the window should be maximized by default.
if(maximized)
{
atoms[numAtoms++] =
(Xlib.Xlong)Xlib.XInternAtom
(display, "_NET_WM_STATE_MAXIMIZED_VERT",
XBool.False);
atoms[numAtoms++] =
(Xlib.Xlong)Xlib.XInternAtom
(display, "_NET_WM_STATE_MAXIMIZED_HORZ",
XBool.False);
}
// Update the "_NET_WM_STATE" property as appropriate.
XAtom type = Xlib.XInternAtom
(display, "ATOM", XBool.False);
if(numAtoms > 0)
{
Xlib.XChangeProperty
(display, handle, dpy.wmNetState, type,
32, 0 /* PropModeReplace */, atoms, numAtoms);
}
else
{
Xlib.XDeleteProperty(display, handle, dpy.wmNetState);
}
}
// Update the Motif hint information in the X server.
private void UpdateMotifHints()
{
// Bail out if the caption widget handled the decorations.
if(!Caption(CaptionWidget.Operation.Decorations))
{
return;
}
// Build the Motif hint structure.
Xlib.Xlong[] hint = new Xlib.Xlong [5];
int flags = 0;
if(functions != MotifFunctions.All)
{
hint[1] = (Xlib.Xlong)(int)functions;
flags |= 1;
}
else
{
hint[1] = (Xlib.Xlong)(-1);
}
if(decorations != MotifDecorations.All)
{
hint[2] = (Xlib.Xlong)(int)decorations;
flags |= 2;
}
else
{
hint[2] = (Xlib.Xlong)(-1);
}
if(inputType != MotifInputType.Normal)
{
hint[3] = (Xlib.Xlong)(int)inputType;
flags |= 4;
}
else
{
hint[3] = (Xlib.Xlong)(-1);
}
hint[4] = (Xlib.Xlong)(-1);
hint[0] = (Xlib.Xlong)flags;
// Set the Motif hint structure on the window.
try
{
IntPtr display = dpy.Lock();
XWindow handle = GetWidgetHandle();
Xlib.XChangeProperty
(display, handle, dpy.wmMwmHints, dpy.wmMwmHints,
32, 0 /* PropModeReplace */, hint, 4);
}
finally
{
dpy.Unlock();
}
}
