diff options
Diffstat (limited to 'src/newt/classes/jogamp/newt/driver/linux/LinuxMouseTracker.java')
| -rw-r--r-- | src/newt/classes/jogamp/newt/driver/linux/LinuxMouseTracker.java | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src/newt/classes/jogamp/newt/driver/linux/LinuxMouseTracker.java b/src/newt/classes/jogamp/newt/driver/linux/LinuxMouseTracker.java new file mode 100644 index 000000000..885649d17 --- /dev/null +++ b/src/newt/classes/jogamp/newt/driver/linux/LinuxMouseTracker.java @@ -0,0 +1,221 @@ +/** + * Copyright 2012 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ + +package jogamp.newt.driver.linux; + +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; + +import jogamp.newt.WindowImpl; + +import com.jogamp.newt.Window; +import com.jogamp.newt.event.MouseEvent; +import com.jogamp.newt.event.WindowEvent; +import com.jogamp.newt.event.WindowListener; +import com.jogamp.newt.event.WindowUpdateEvent; + +/** + * Experimental native mouse tracker thread for GNU/Linux + * just reading <code>/dev/input/mice</code> + * within it's own polling thread. + */ +public class LinuxMouseTracker implements WindowListener { + + private static final LinuxMouseTracker lmt; + + static { + lmt = new LinuxMouseTracker(); + final Thread t = new Thread(lmt.mouseDevicePoller, "NEWT-LinuxMouseTracker"); + t.setDaemon(true); + t.start(); + } + + public static LinuxMouseTracker getSingleton() { + return lmt; + } + + private volatile boolean stop = false; + private int x = 0; + private int y = 0; + private int buttonDown = 0; + private int old_x = 0; + private int old_y = 0; + private int old_buttonDown = 0; + private WindowImpl focusedWindow = null; + private MouseDevicePoller mouseDevicePoller = new MouseDevicePoller(); + + @Override + public void windowResized(WindowEvent e) { } + + @Override + public void windowMoved(WindowEvent e) { } + + @Override + public void windowDestroyNotify(WindowEvent e) { + Object s = e.getSource(); + if(focusedWindow == s) { + focusedWindow = null; + } + } + + @Override + public void windowDestroyed(WindowEvent e) { } + + @Override + public void windowGainedFocus(WindowEvent e) { + Object s = e.getSource(); + if(s instanceof WindowImpl) { + focusedWindow = (WindowImpl) s; + } + } + + @Override + public void windowLostFocus(WindowEvent e) { + Object s = e.getSource(); + if(focusedWindow == s) { + focusedWindow = null; + } + } + + @Override + public void windowRepaint(WindowUpdateEvent e) { } + + class MouseDevicePoller implements Runnable { + @Override + public void run() { + final byte[] b = new byte[3]; + final File f = new File("/dev/input/mice"); + f.setReadOnly(); + InputStream fis; + try { + fis = new FileInputStream(f); + } catch (FileNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return; + } + int xd=0,yd=0; //x/y movement delta + boolean xo=false,yo=false; // x/y overflow (out of range -255 to +255) + boolean lb=false,mb=false,rb=false,hs=false,vs=false; //left/middle/right mousebutton + while(!stop) { + int remaining=3; + while(remaining>0) { + int read = 0; + try { + read = fis.read(b, 0, remaining); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + if(read<0) { + stop = true; // EOF of mouse !? + } else { + remaining -= read; + } + } + lb=(b[0]&1)>0; + rb=(b[0]&2)>0; + mb=(b[0]&4)>0; + hs=(b[0]&16)>0; + vs=(b[0]&32)>0; + xo=(b[0]&64)>0; + yo=(b[0]&128)>0; + xd=b[1]; + yd=b[2]; + + x+=xd; + y+=yd; + + if(x<0) { + x=0; + } + if(y<0) { + y=0; + } + + if(lb) { + buttonDown = MouseEvent.BUTTON1; + } + if(mb) { + buttonDown = MouseEvent.BUTTON2; + } + if(rb) { + buttonDown = MouseEvent.BUTTON3; + } + + if(null != focusedWindow) { + if( x >= focusedWindow.getScreen().getWidth() ) { + x = focusedWindow.getScreen().getWidth() - 1; + } + if( y >= focusedWindow.getScreen().getHeight() ) { + y = focusedWindow.getScreen().getHeight() - 1; + } + int wx = x - focusedWindow.getX(), wy = y - focusedWindow.getY(); + + if(old_x != x || old_y != y) { + // mouse moved + focusedWindow.sendMouseEvent(MouseEvent.EVENT_MOUSE_MOVED, 0, wx, wy, 0, 0 ); + } + + if(old_buttonDown != buttonDown) { + // press/release + if( 0 != buttonDown ) { + focusedWindow.sendMouseEvent( + MouseEvent.EVENT_MOUSE_PRESSED, + 0, wx, wy, buttonDown, 0 ); + } else { + focusedWindow.sendMouseEvent( + MouseEvent.EVENT_MOUSE_RELEASED, + 0, wx, wy, old_buttonDown, 0 ); + } + } + } else { + if(Window.DEBUG_MOUSE_EVENT) { + System.out.println(x+"/"+y+", hs="+hs+",vs="+vs+",lb="+lb+",rb="+rb+",mb="+mb+",xo="+xo+",yo="+yo+"xd="+xd+",yd="+yd); + } + } + + old_x = x; + old_y = y; + old_buttonDown = buttonDown; + + } + if(null != fis) { + try { + fis.close(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + } + } +} |