public static Tuple<int, int> GetCursorPosition(int win)
{
IntPtr r = IntPtr.Zero, c = IntPtr.Zero;
int rx = -1, ry = -1, wx = -1, wy = -1;
uint m = 0;
using(var l = new XLibLocker(DisplayHandle))
{
XQueryPointer(DisplayHandle, win, ref r, ref c, ref rx, ref ry, ref wx, ref wy, ref m);
}
return Tuple.Create(rx, ry);
}
public static Tuple <int, int> GetCursorPosition(int win)
{
IntPtr r = IntPtr.Zero, c = IntPtr.Zero;
int rx = -1, ry = -1, wx = -1, wy = -1;
uint m = 0;
using (var l = new XLibLocker(DisplayHandle))
{
XQueryPointer(DisplayHandle, win, ref r, ref c, ref rx, ref ry, ref wx, ref wy, ref m);
}
return(Tuple.Create(rx, ry));
}
public static void RestoreCursor(int windowId)
{
lock (locker)
{
using (var l = new XLibLocker(DisplayHandle))
{
XUndefineCursor(DisplayHandle, windowId);
}
XCloseDisplay(DisplayHandle);
DisplayHandle = XOpenDisplay(IntPtr.Zero);
}
}
public static void MakeCursorTransparent(int windowId)
{
lock (locker)
{
using (var l = new XLibLocker(DisplayHandle))
{
XDefineCursor(DisplayHandle, windowId, DefineEmptyCursor(windowId));
}
XCloseDisplay(DisplayHandle);
DisplayHandle = XOpenDisplay(IntPtr.Zero);
}
}
public static void UngrabCursor()
{
lock (locker)
{
using (var l = new XLibLocker(DisplayHandle))
{
XUngrabPointer(DisplayHandle, 0);
XUngrabKeyboard(DisplayHandle, 0);
}
XCloseDisplay(DisplayHandle);
DisplayHandle = XOpenDisplay(IntPtr.Zero);
}
}
public static void UngrabCursor()
{
lock(locker)
{
using(var l = new XLibLocker(DisplayHandle))
{
XUngrabPointer(DisplayHandle, 0);
XUngrabKeyboard(DisplayHandle, 0);
}
XCloseDisplay(DisplayHandle);
DisplayHandle = XOpenDisplay(IntPtr.Zero);
}
}
private static IntPtr DefineEmptyCursor(int windowId)
{
var c = Marshal.AllocHGlobal(80);
var cursor_bits = new byte[2 * 16];
IntPtr cursor;
using (var l = new XLibLocker(DisplayHandle))
{
var pixmap = XCreatePixmapFromBitmapData(DisplayHandle, windowId, cursor_bits, 16, 16, (IntPtr)1, (IntPtr)0, 1);
cursor = XCreatePixmapCursor(DisplayHandle, pixmap, pixmap, ref c, ref c, 0, 0);
XFreePixmap(DisplayHandle, pixmap);
}
Marshal.FreeHGlobal(c);
return(cursor);
}
public static void GrabCursorByWindow(int windowId)
{
lock (locker)
{
using (var l = new XLibLocker(DisplayHandle))
{
int res = 1;
do
{
// Not always grabbing mouse works at the first time, so the loop is necessary
res = XGrabPointer(DisplayHandle, windowId, true, 0x4 | 0x8 | 0x40, 1, 1, windowId, DefineEmptyCursor(windowId), 0);
Thread.Sleep(100);
}while (res != 0);
XGrabKeyboard(DisplayHandle, windowId, true, 1, 1, 0);
}
}
}
public static void GrabCursorByWindow(int windowId)
{
lock(locker)
{
using(var l = new XLibLocker(DisplayHandle))
{
int res = 1;
do
{
// Not always grabbing mouse works at the first time, so the loop is necessary
res = XGrabPointer(DisplayHandle, windowId, true, 0x4 | 0x8 | 0x40, 1, 1, windowId, DefineEmptyCursor(windowId), 0);
Thread.Sleep(100);
}
while(res != 0);
XGrabKeyboard(DisplayHandle, windowId, true, 1, 1, 0);
}
}
}
private static IntPtr DefineEmptyCursor(int windowId)
{
var c = Marshal.AllocHGlobal(80);
var cursor_bits = new byte[2 * 16];
IntPtr cursor;
using(var l = new XLibLocker(DisplayHandle))
{
var pixmap = XCreatePixmapFromBitmapData(DisplayHandle, windowId, cursor_bits, 16, 16, (IntPtr)1, (IntPtr)0, 1);
cursor = XCreatePixmapCursor(DisplayHandle, pixmap, pixmap, ref c, ref c, 0, 0);
XFreePixmap(DisplayHandle, pixmap);
}
Marshal.FreeHGlobal(c);
return cursor;
}
