protected override void Initialize()
{
if (_display != IntPtr.Zero)
{
LibX11.XCloseDisplay(_display);
}
_display = IntPtr.Zero;
_display = LibX11.XOpenDisplay(IntPtr.Zero);
if (_display == IntPtr.Zero)
{
throw new Exception("Could not open display.");
}
if (LibX11.XSelectInput(_display, _window, LibX11.KeyPressMask | LibX11.KeyReleaseMask) == LibX11.BadWindow)
{
throw new Exception("X Error!");
}
if (_grabKeyboard)
{
LibX11.XGrabKeyboard(_display, _window, true, LibX11.GrabModeAsync, LibX11.GrabModeAsync, LibX11.CurrentTime);
}
_keyFocusLost = false;
}
/// <summary>
///
/// </summary>
public override void Capture()
{
int key;
X11InputManager linMan = (X11InputManager)Creator;
System.Diagnostics.Debug.Assert(linMan != null);
while (LibX11.XPending(_display) > 0)
{
/*if ( LibX11.XCheckMaskEvent( _display, (int)(LibX11.XEventName.KeyPress | LibX11.XEventName.KeyRelease), ref xevent ) == true )*/
LibX11.XNextEvent(_display, ref _xEvent);
{
switch (_xEvent.type)
{
case LibX11.XEventName.KeyPress:
int character = 0;
if (TextMode != TextTranslationMode.Off)
{
StringBuilder sb = new StringBuilder(6);
LibX11.XLookupString(ref _xEvent.KeyEvent, sb, 6, out key, IntPtr.Zero);
if (TextMode == TextTranslationMode.Unicode)
{
character = UTF8toUTF32(sb);
}
else if (TextMode == TextTranslationMode.Ascii)
{
character = (int)sb[0];
}
}
//Mask out the modifier states X11 sets and read again
_xEvent.KeyEvent.state &= ~LibX11.ShiftMask;
_xEvent.KeyEvent.state &= ~LibX11.LockMask;
StringBuilder b = new StringBuilder();
LibX11.XLookupString(ref _xEvent.KeyEvent, b, 0, out key, IntPtr.Zero);
injectKeyDown(key, character);
//Check for Alt-Tab
if ((_xEvent.KeyEvent.state & LibX11.Mod1Mask) != 0 && key == (int)LibX11.KeySym.XK_Tab)
{
linMan.GrabState = false;
}
break;
case LibX11.XEventName.KeyRelease:
if (!IsKeyRepeat(_xEvent))
{
//Mask out the modifier states X sets.. or we will get improper values
_xEvent.KeyEvent.state &= ~LibX11.ShiftMask;
_xEvent.KeyEvent.state &= ~LibX11.LockMask;
StringBuilder sb = new StringBuilder(6);
LibX11.XLookupString(ref _xEvent.KeyEvent, sb, 0, out key, IntPtr.Zero);
injectKeyUp(key);
}
break;
}
}
} //end while
//If grabbing mode is on.. Handle focus lost/gained via Alt-Tab and mouse clicks
if (_grabKeyboard)
{
System.Diagnostics.Debug.Assert(linMan != null);
if (linMan.GrabState == false)
{ // are no longer grabbing
if (_keyFocusLost == false)
{
// ungrab keyboard
LibX11.XUngrabKeyboard(_display, LibX11.CurrentTime);
_keyFocusLost = true;
}
}
else
{
// We are grabbing - and regained focus
if (_keyFocusLost == true)
{
// regrab keyboard
LibX11.XGrabKeyboard(_display, _window, true, LibX11.GrabModeAsync, LibX11.GrabModeAsync, LibX11.CurrentTime);
_keyFocusLost = false;
}
}
}
}