public X11Keyboard()
{
Debug.WriteLine("Using X11Keyboard.");
state.IsConnected = true;
IntPtr display = API.DefaultDisplay;
using (new XLock(display))
{
// Find the number of keysyms per keycode.
int first = 0, last = 0;
API.DisplayKeycodes(display, ref first, ref last);
IntPtr keysym_ptr =
API.GetKeyboardMapping(display,
(byte)first,
last - first + 1,
ref KeysymsPerKeycode);
Functions.XFree(keysym_ptr);
if (Xkb.IsSupported(display))
{
// Request that auto-repeat is only set on devices that support it physically.
// This typically means that it's turned off for keyboards what we want).
// We prefer this method over XAutoRepeatOff/On, because the latter needs to
// be reset before the program exits.
bool supported;
Xkb.SetDetectableAutoRepeat(display, true, out supported);
KeyMap = new X11KeyMap(display);
}
}
}
private void ProcessRawEvent(ref XGenericEventCookie cookie)
{
lock (Sync)
{
unsafe
{
XIRawEvent raw = *(XIRawEvent *)cookie.data;
XIMouse mouse;
XIKeyboard keyboard;
switch (raw.evtype)
{
case XIEventType.RawMotion:
if (GetMouseDevice(raw.deviceid, out mouse))
{
ProcessRawMotion(mouse, ref raw);
}
break;
case XIEventType.RawButtonPress:
case XIEventType.RawButtonRelease:
if (GetMouseDevice(raw.deviceid, out mouse))
{
float dx, dy;
MouseButton button = X11KeyMap.TranslateButton(raw.detail, out dx, out dy);
mouse.State[button] = raw.evtype == XIEventType.RawButtonPress;
if (mouse.ScrollX.number == -1 && mouse.ScrollY.number == -1)
{
mouse.State.SetScrollRelative(dx, dy);
}
}
break;
case XIEventType.RawKeyPress:
case XIEventType.RawKeyRelease:
if (GetKeyboardDevice(raw.deviceid, out keyboard))
{
Key key;
if (KeyMap.TranslateKey(raw.detail, out key))
{
keyboard.State[key] = raw.evtype == XIEventType.RawKeyPress;
}
}
break;
}
}
}
}
private bool TranslateKeyX11(ref XKeyEvent e, out Key key)
{
XKey keysym = (XKey)API.LookupKeysym(ref e, 0);
XKey keysym2 = (XKey)API.LookupKeysym(ref e, 1);
key = X11KeyMap.TranslateXKey(keysym);
if (key == Key.Unknown)
{
key = X11KeyMap.TranslateXKey(keysym2);
}
if (key == Key.Unknown)
{
Debug.Print("KeyCode {0} (Keysym: {1}, {2}) not mapped.", e.keycode, (XKey)keysym, (XKey)keysym2);
}
return(key != Key.Unknown);
}
public XI2MouseKeyboard()
{
window = new X11WindowInfo();
window.Display = Functions.XOpenDisplay(IntPtr.Zero);
using (new XLock(window.Display))
{
XSetWindowAttributes attr = new XSetWindowAttributes();
window.Screen = Functions.XDefaultScreen(window.Display);
window.RootWindow = Functions.XRootWindow(window.Display, window.Screen);
window.Handle = Functions.XCreateWindow(window.Display, window.RootWindow,
0, 0, 1, 1, 0, 0,
CreateWindowArgs.InputOnly, IntPtr.Zero,
SetWindowValuemask.Nothing, attr);
KeyMap = new X11KeyMap(window.Display);
}
if (!IsSupported(window.Display))
{
throw new NotSupportedException("XInput2 not supported.");
}
// Enable XI2 mouse/keyboard events
// Note: the input event loop blocks waiting for these events
// *or* a custom ClientMessage event that instructs us to exit.
// See SendExitEvent() below.
using (new XLock(window.Display))
using (XIEventMask mask = new XIEventMask(1,
XIEventMasks.RawKeyPressMask |
XIEventMasks.RawKeyReleaseMask |
XIEventMasks.RawButtonPressMask |
XIEventMasks.RawButtonReleaseMask |
XIEventMasks.RawMotionMask |
XIEventMasks.MotionMask |
XIEventMasks.DeviceChangedMask))
{
XI.SelectEvents(window.Display, window.RootWindow, mask);
UpdateDevices();
}
ProcessingThread = new Thread(ProcessEvents);
ProcessingThread.IsBackground = true;
ProcessingThread.Start();
}