Replace keyboard and mouse handler with evdev

This commit is contained in:
Iwan Timmer
2014-01-07 20:53:44 +01:00
parent 85ffdc2426
commit 7e03e40825
4 changed files with 265 additions and 343 deletions

View File

@@ -0,0 +1,252 @@
package com.limelight.input;
import com.limelight.nvstream.NvConnection;
import com.limelight.nvstream.input.KeyboardPacket;
import com.limelight.nvstream.input.MouseButtonPacket;
import java.awt.event.KeyEvent;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.FileChannel;
/**
* Class that handles keyboard input using the Evdev interface
* @author Iwan Timmer
*/
public class EvdevHandler implements Runnable {
private static KeyboardTranslator translator;
private static final short KEY_CODES[] = {
0, //KeyEvent.VK_RESERVED
KeyEvent.VK_ESCAPE,
KeyEvent.VK_1,
KeyEvent.VK_2,
KeyEvent.VK_3,
KeyEvent.VK_4,
KeyEvent.VK_5,
KeyEvent.VK_6,
KeyEvent.VK_7,
KeyEvent.VK_8,
KeyEvent.VK_9,
KeyEvent.VK_0,
KeyEvent.VK_MINUS,
KeyEvent.VK_EQUALS,
KeyEvent.VK_BACK_SPACE,
KeyEvent.VK_TAB,
KeyEvent.VK_Q,
KeyEvent.VK_W,
KeyEvent.VK_E,
KeyEvent.VK_R,
KeyEvent.VK_T,
KeyEvent.VK_Y,
KeyEvent.VK_U,
KeyEvent.VK_I,
KeyEvent.VK_O,
KeyEvent.VK_P,
0, //KeyEvent.VK_LEFTBRACE,
0, //KeyEvent.VK_RIGHTBRACE,
KeyEvent.VK_ENTER,
KeyEvent.VK_CONTROL, // Left control */
KeyEvent.VK_A,
KeyEvent.VK_S,
KeyEvent.VK_D,
KeyEvent.VK_F,
KeyEvent.VK_G,
KeyEvent.VK_H,
KeyEvent.VK_J,
KeyEvent.VK_K,
KeyEvent.VK_L,
KeyEvent.VK_SEMICOLON,
0, //KeyEvent.VK_APOSTROPHE,
0, //KeyEvent.VK_GRAVE,
0, //KeyEvent.VK_LEFTSHIFT,
0, //KeyEvent.VK_BACKSLASH,
KeyEvent.VK_Z,
KeyEvent.VK_X,
KeyEvent.VK_C,
KeyEvent.VK_V,
KeyEvent.VK_B,
KeyEvent.VK_N,
KeyEvent.VK_M,
KeyEvent.VK_COMMA,
0, //KeyEvent.VK_DOT,
KeyEvent.VK_SLASH,
0, //KeyEvent.VK_RIGHTSHIFT,
0, //KeyEvent.VK_KPASTERISK,
0, //KeyEvent.VK_LEFTALT,
KeyEvent.VK_SPACE,
0, //KeyEvent.VK_CAPSLOCK,
KeyEvent.VK_F1,
KeyEvent.VK_F2,
KeyEvent.VK_F3,
KeyEvent.VK_F4,
KeyEvent.VK_F5,
KeyEvent.VK_F6,
KeyEvent.VK_F7,
KeyEvent.VK_F8,
KeyEvent.VK_F9,
KeyEvent.VK_F10,
KeyEvent.VK_NUM_LOCK,
KeyEvent.VK_SCROLL_LOCK,
KeyEvent.VK_NUMPAD7,
KeyEvent.VK_NUMPAD8,
KeyEvent.VK_NUMPAD9,
0, //KeyEvent.VK_NUMPAD_MINUS,
KeyEvent.VK_NUMPAD4,
KeyEvent.VK_NUMPAD5,
KeyEvent.VK_NUMPAD6,
0, //KeyEvent.VK_NUMPADPLUS,
KeyEvent.VK_NUMPAD1,
KeyEvent.VK_NUMPAD2,
KeyEvent.VK_NUMPAD3,
KeyEvent.VK_NUMPAD0,
0, //KeyEvent.VK_NUMPADDOT,
0,
0, //KeyEvent.VK_ZENKAKUHANKAKU,
0, //KeyEvent.VK_102ND,
KeyEvent.VK_F11,
KeyEvent.VK_F12,
0, //KeyEvent.VK_RO,
KeyEvent.VK_KATAKANA,
KeyEvent.VK_HIRAGANA,
0, //KeyEvent.VK_HENKAN,
0, //KeyEvent.VK_KATAKANAHIRAGANA,
0, //KeyEvent.VK_MUHENKAN,
0, //KeyEvent.VK_KPJPCOMMA,
0, //KeyEvent.VK_KPENTER,
0, //KeyEvent.VK_RIGHTCTRL,
0, //KeyEvent.VK_KPSLASH,
0, //KeyEvent.VK_SYSRQ,
0, //KeyEvent.VK_RIGHTALT,
0, //KeyEvent.VK_LINEFEED,
KeyEvent.VK_HOME,
KeyEvent.VK_UP,
KeyEvent.VK_PAGE_UP,
KeyEvent.VK_LEFT,
KeyEvent.VK_RIGHT,
KeyEvent.VK_END,
KeyEvent.VK_DOWN,
KeyEvent.VK_PAGE_DOWN,
KeyEvent.VK_INSERT,
KeyEvent.VK_DELETE,
0, //KeyEvent.VK_MACRO,
0, //KeyEvent.VK_MUTE,
0, //KeyEvent.VK_VOLUMEDOWN,
0, //KeyEvent.VK_VOLUMEUP,
0, //KeyEvent.VK_POWER, /* SC System Power Down */
0, //KeyEvent.VK_KPEQUAL,
0, //KeyEvent.VK_KPPLUSMINUS,
KeyEvent.VK_PAUSE,
0, //KeyEvent.VK_SCALE, /* AL Compiz Scale (Expose) */
};
private static final int STRUCT_SIZE_BYTES = 24;
/* GFE's prefix for every key code */
public static final short KEY_PREFIX = (short) 0x80;
/* Event types */
public static final short EV_KEY = 0x01;
public static final short EV_REL = 0x02;
public static final short REL_X = 0x00;
public static final short REL_Y = 0x01;
public static final short BTN_LEFT = 0x110;
public static final short BTN_RIGHT = 0x111;
public static final short BTN_MIDDLE = 0x112;
/* Events */
public static final int KEY_RELEASED = 0;
public static final int KEY_PRESSED = 1;
private NvConnection conn;
private FileChannel deviceInput;
private ByteBuffer inputBuffer;
public EvdevHandler(NvConnection conn, String device) throws FileNotFoundException {
this.conn = conn;
FileInputStream in = new FileInputStream(device);
deviceInput = in.getChannel();
inputBuffer = ByteBuffer.allocate(STRUCT_SIZE_BYTES);
inputBuffer.order(ByteOrder.nativeOrder());
translator = new KeyboardTranslator(conn);
}
public void start() {
Thread thread = new Thread(this);
thread.setDaemon(true);
thread.setName("Input - Receiver");
thread.start();
}
private void parseEvent(ByteBuffer buffer) {
long time_sec = buffer.getLong();
long time_usec = buffer.getLong();
short type = buffer.getShort();
short code = buffer.getShort();
int value = buffer.getInt();
if (type==EV_KEY) {
if (code<KEY_CODES.length) {
short gfCode = translator.translate(KEY_CODES[code]);
if (value==KEY_PRESSED)
conn.sendKeyboardInput(gfCode, KeyboardPacket.KEY_DOWN, (byte) 0);
else if (value==KEY_RELEASED)
conn.sendKeyboardInput(gfCode, KeyboardPacket.KEY_UP, (byte) 0);
} else {
byte mouseButton = 0;
switch (code) {
case BTN_LEFT:
mouseButton = MouseButtonPacket.BUTTON_1;
break;
case BTN_MIDDLE:
mouseButton = MouseButtonPacket.BUTTON_2;
break;
case BTN_RIGHT:
mouseButton = MouseButtonPacket.BUTTON_3;
break;
}
if (mouseButton>0) {
if (value==KEY_PRESSED)
conn.sendMouseButtonDown(mouseButton);
else if (value==KEY_RELEASED)
conn.sendMouseButtonUp(mouseButton);
}
}
} else if (type==EV_REL) {
switch (code) {
case REL_X:
conn.sendMouseMove((short) value, (short) 0);
break;
case REL_Y:
conn.sendMouseMove((short) 0, (short) value);
break;
}
}
}
@Override
public void run() {
try {
while (true) {
while(inputBuffer.hasRemaining())
deviceInput.read(inputBuffer);
inputBuffer.flip();
parseEvent(inputBuffer);
inputBuffer.clear();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}