protected override void Initialize()
{
MouseState = new MouseState();
_moved = false;
_warped = false;
_lastMouseX = _lastMouseY = 6;
if (_display != IntPtr.Zero)
{
LibX11.XCloseDisplay(_display);
}
_display = IntPtr.Zero;
_display = LibX11.XOpenDisplay(IntPtr.Zero);
if (_display == IntPtr.Zero)
{
throw new Exception("X11Mouse.Initialize, can not open display");
}
//var sir = LibX11.XSelectInput( _display, _window, LibX11.ButtonPressMask | LibX11.ButtonReleaseMask | LibX11.PointerMotionMask );
//if ( sir == LibX11.BadWindow )
// throw new Exception( "X11Mouse.Initialize, X Error!" );
//Warp mouse inside window
LibX11.XWarpPointer(_display, IntPtr.Zero, _window, 0, 0, 0, 0, 6, 6);
//TODO: Create a blank cursor
IntPtr bm_no;
LibX11.XColor black = new LibX11.XColor(), dummy = new LibX11.XColor();
IntPtr colormap;
byte[] no_data = { 0, 0, 0, 0, 0, 0, 0, 0 };
colormap = LibX11.XDefaultColormap(_display, LibX11.XDefaultScreen(_display));
LibX11.XAllocNamedColor(_display, colormap, "black", ref black, ref dummy);
bm_no = LibX11.XCreateBitmapFromData(_display, _window, no_data, 8, 8);
_cursor = LibX11.XCreatePixmapCursor(_display, bm_no, bm_no, ref black, ref black, 0, 0);
grab(grabMouse);
hide(hideMouse);
mouseFocusLost = false;
}
private void processXEvents()
{
IntPtr rootWindow, childWindow;
int root_x, root_y, win_x, win_y;
uint mask;
bool doMove = true;
LibX11.XQueryPointer(_display, _window, out rootWindow, out childWindow, out root_x, out root_y, out win_x, out win_y, out mask);
int sysX = win_x;
int sysY = win_y;
if (_warped)
{
if (sysX < 5 || sysX > MouseState.Width - 5 ||
sysY < 5 || sysY > MouseState.Height - 5)
{
doMove = false;
}
}
if (doMove)
{
int dx = sysX - _lastMouseX;
int dy = sysY - _lastMouseY;
_lastMouseX = sysX;
_lastMouseY = sysY;
MouseState.X.Absolute += dx;
MouseState.Y.Absolute += dy;
MouseState.X.Relative += dx;
MouseState.Y.Relative += dy;
if (grabMouse)
{
if (MouseState.X.Absolute < 0)
{
MouseState.X.Absolute = 0;
}
else if (MouseState.X.Absolute > MouseState.Width)
{
MouseState.X.Absolute = MouseState.Width;
}
if (MouseState.Y.Absolute < 0)
{
MouseState.Y.Absolute = 0;
}
else if (MouseState.Y.Absolute > MouseState.Height)
{
MouseState.Y.Absolute = MouseState.Height;
}
if (mouseFocusLost == true)
{
if (sysX < 5 || sysX > MouseState.Width - 5 ||
sysY < 5 || sysY > MouseState.Height - 5)
{
_lastMouseX = MouseState.Width >> 1;
_lastMouseY = MouseState.Height >> 1;
LibX11.XWarpPointer(_display, IntPtr.Zero, _window, 0, 0, 0, 0, _lastMouseX, _lastMouseY);
_warped = true;
}
}
}
if (dx + dy != 0)
{
_moved = true;
}
}
var anyButtons = ((int)LibX11.Buttons.Button1Mask | (int)LibX11.Buttons.Button2Mask | (int)LibX11.Buttons.Button3Mask | (int)LibX11.Buttons.Button4Mask | (int)LibX11.Buttons.Button5Mask);
if (lastButtons != (mask & (int)anyButtons))
{
(new List <int> ()
{
(int)LibX11.Buttons.Button1Mask,
(int)LibX11.Buttons.Button2Mask,
(int)LibX11.Buttons.Button3Mask
}).ForEach((button) => {
var mb = ToMouseButton(button);
if (((lastButtons & (int)button) == 0) && (((mask & (int)anyButtons) & (int)button) != 0))
{
MouseState.Buttons |= (int)mb;
log.InfoFormat("ButtonPressed : {0}", button);
if (IsBuffered == true && EventListener != null)
{
if (EventListener.MousePressed(new MouseEventArgs(this, MouseState), mb) == false)
{
return;
}
}
}
if (((lastButtons & (int)button) != 0) && (((mask & (int)anyButtons) & (int)button) == 0))
{
MouseState.Buttons &= ~(int)mb;
log.InfoFormat("ButtonReleased : {0}", button);
if (IsBuffered == true && EventListener != null)
{
if (EventListener.MouseReleased(new MouseEventArgs(this, MouseState), mb) == false)
{
return;
}
}
}
});
lastButtons = (int)(mask & (int)anyButtons);
}
//The Z axis gets pushed/released pair message (this is up)
if ((mask & (int)LibX11.Buttons.Button4Mask) != 0)
{
log.InfoFormat("MouseWheel : Up");
MouseState.Z.Relative += 120;
MouseState.Z.Absolute += 120;
_moved = true;
}
//The Z axis gets pushed/released pair message (this is down)
if ((mask & (int)LibX11.Buttons.Button5Mask) != 0)
{
log.InfoFormat("MouseWheel : Down");
MouseState.Z.Relative -= 120;
MouseState.Z.Absolute -= 120;
_moved = true;
}
/*
* // this algorithm requires the ButtonPressMask be specifiec
* // in the XSelectEvent call during Initialize. X11 Documentation
* // http://tronche.com/gui/x/xlib/event-handling/XSelectInput.html
* // states that only *one* client may request this mask.
* // Since SWF and the OpenTK GameWindow classes both request this
* // This can't be used with those X11 form types.
* while ( LibX11.XPending( _display ) > 0 )
* {
* log.InfoFormat( "Found Pending Events..." );
* LibX11.XNextEvent( _display, ref _xEvent );
* MouseButtonID mb = MouseButtonID.Button3;
*
* log.InfoFormat( "Event.Type : {0}", _xEvent.type );
* switch ( _xEvent.type )
* {
* case LibX11.XEventName.MotionNotify:
*
* int sysX = _xEvent.MotionEvent.x;
* int sysY = _xEvent.MotionEvent.y;
*
* if ( _warped )
* {
* if ( sysX < 5 || sysX > MouseState.Width - 5 ||
* sysY < 5 || sysY > MouseState.Height - 5 )
* continue;
* }
* int dx = sysX - _lastMouseX;
* int dy = sysY - _lastMouseY;
* _lastMouseX = sysX;
* _lastMouseY = sysY;
* MouseState.X.Absolute += dx;
* MouseState.Y.Absolute += dy;
* MouseState.X.Relative += dx;
* MouseState.Y.Relative += dy;
*
* if ( grabMouse )
* {
* if ( MouseState.X.Absolute < 0 )
* MouseState.X.Absolute = 0;
* else if ( MouseState.X.Absolute > MouseState.Width )
* MouseState.X.Absolute = MouseState.Width;
* if ( MouseState.Y.Absolute < 0 )
* MouseState.Y.Absolute = 0;
* else if ( MouseState.Y.Absolute > MouseState.Height )
* MouseState.Y.Absolute = MouseState.Height;
*
* if ( mouseFocusLost == true )
* {
* if ( sysX < 5 || sysX > MouseState.Width - 5 ||
* sysY < 5 || sysY > MouseState.Height - 5 )
* {
* _lastMouseX = MouseState.Width >> 1;
* _lastMouseY = MouseState.Height >> 1;
* LibX11.XWarpPointer( _display, IntPtr.Zero, _window, 0, 0, 0, 0, _lastMouseX, _lastMouseY );
* _warped = true;
* }
* }
* }
* _moved = true;
* break;
*
* case LibX11.XEventName.ButtonPress:
* mb = ToMouseButton( _xEvent.ButtonEvent.button );
* MouseState.Buttons |= (int)mb;
*
* ((X11InputManager)Creator).GrabState = true;
*
* if ( _xEvent.ButtonEvent.button < 4 )
* {
* if ( IsBuffered == true && EventListener != null )
* if ( EventListener.MousePressed( new MouseEventArgs( this, MouseState ), mb ) == false )
* return;
* }
* break;
* case LibX11.XEventName.ButtonRelease:
* mb = ToMouseButton( _xEvent.ButtonEvent.button );
* MouseState.Buttons &= ~(int)mb;
* if ( _xEvent.ButtonEvent.button < 4 )
* {
* if ( IsBuffered == true && EventListener != null )
* if ( EventListener.MouseReleased( new MouseEventArgs( this, MouseState ), mb ) == false )
* return;
* }
* //The Z axis gets pushed/released pair message (this is up)
* else if( _xEvent.ButtonEvent.button == 4 )
* {
* MouseState.Z.Relative += 120;
* MouseState.Z.Absolute += 120;
* _moved = true;
* }
* //The Z axis gets pushed/released pair message (this is down)
* else if( _xEvent.ButtonEvent.button == 5 )
* {
* MouseState.Z.Relative -= 120;
* MouseState.Z.Absolute -= 120;
* _moved = true;
* }
* break;
* }
* }
*/
}