/*
Android Keyboard Mapping
Copyright 2013 Thincast Technologies GmbH, Author: Martin Fleisz
This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
If a copy of the MPL was not distributed with this file, You can obtain one at
http://mozilla.org/MPL/2.0/.
*/
package com.freerdp.freerdpcore.utils;
import android.content.Context;
import android.view.KeyEvent;
import com.freerdp.freerdpcore.R;
public class KeyboardMapper
{
public static final int KEYBOARD_TYPE_FUNCTIONKEYS = 1;
public static final int KEYBOARD_TYPE_NUMPAD = 2;
public static final int KEYBOARD_TYPE_CURSOR = 3;
// defines key states for modifier keys - locked means on and no auto-release if an other key is
// pressed
public static final int KEYSTATE_ON = 1;
public static final int KEYSTATE_LOCKED = 2;
public static final int KEYSTATE_OFF = 3;
final static int VK_LBUTTON = 0x01;
final static int VK_RBUTTON = 0x02;
final static int VK_CANCEL = 0x03;
final static int VK_MBUTTON = 0x04;
final static int VK_XBUTTON1 = 0x05;
final static int VK_XBUTTON2 = 0x06;
final static int VK_BACK = 0x08;
final static int VK_TAB = 0x09;
final static int VK_CLEAR = 0x0C;
final static int VK_RETURN = 0x0D;
final static int VK_SHIFT = 0x10;
final static int VK_CONTROL = 0x11;
final static int VK_MENU = 0x12;
final static int VK_PAUSE = 0x13;
final static int VK_CAPITAL = 0x14;
final static int VK_KANA = 0x15;
final static int VK_HANGUEL = 0x15;
final static int VK_HANGUL = 0x15;
final static int VK_JUNJA = 0x17;
final static int VK_FINAL = 0x18;
final static int VK_HANJA = 0x19;
final static int VK_KANJI = 0x19;
final static int VK_ESCAPE = 0x1B;
final static int VK_CONVERT = 0x1C;
final static int VK_NONCONVERT = 0x1D;
final static int VK_ACCEPT = 0x1E;
final static int VK_MODECHANGE = 0x1F;
final static int VK_SPACE = 0x20;
final static int VK_PRIOR = 0x21;
final static int VK_NEXT = 0x22;
final static int VK_END = 0x23;
final static int VK_HOME = 0x24;
final static int VK_LEFT = 0x25;
final static int VK_UP = 0x26;
final static int VK_RIGHT = 0x27;
final static int VK_DOWN = 0x28;
final static int VK_SELECT = 0x29;
final static int VK_PRINT = 0x2A;
final static int VK_EXECUTE = 0x2B;
final static int VK_SNAPSHOT = 0x2C;
final static int VK_INSERT = 0x2D;
final static int VK_DELETE = 0x2E;
final static int VK_HELP = 0x2F;
final static int VK_KEY_0 = 0x30;
final static int VK_KEY_1 = 0x31;
final static int VK_KEY_2 = 0x32;
final static int VK_KEY_3 = 0x33;
final static int VK_KEY_4 = 0x34;
final static int VK_KEY_5 = 0x35;
final static int VK_KEY_6 = 0x36;
final static int VK_KEY_7 = 0x37;
final static int VK_KEY_8 = 0x38;
final static int VK_KEY_9 = 0x39;
final static int VK_KEY_A = 0x41;
final static int VK_KEY_B = 0x42;
final static int VK_KEY_C = 0x43;
final static int VK_KEY_D = 0x44;
final static int VK_KEY_E = 0x45;
final static int VK_KEY_F = 0x46;
final static int VK_KEY_G = 0x47;
final static int VK_KEY_H = 0x48;
final static int VK_KEY_I = 0x49;
final static int VK_KEY_J = 0x4A;
final static int VK_KEY_K = 0x4B;
final static int VK_KEY_L = 0x4C;
final static int VK_KEY_M = 0x4D;
final static int VK_KEY_N = 0x4E;
final static int VK_KEY_O = 0x4F;
final static int VK_KEY_P = 0x50;
final static int VK_KEY_Q = 0x51;
final static int VK_KEY_R = 0x52;
final static int VK_KEY_S = 0x53;
final static int VK_KEY_T = 0x54;
final static int VK_KEY_U = 0x55;
final static int VK_KEY_V = 0x56;
final static int VK_KEY_W = 0x57;
final static int VK_KEY_X = 0x58;
final static int VK_KEY_Y = 0x59;
final static int VK_KEY_Z = 0x5A;
final static int VK_LWIN = 0x5B;
final static int VK_RWIN = 0x5C;
final static int VK_APPS = 0x5D;
final static int VK_SLEEP = 0x5F;
final static int VK_NUMPAD0 = 0x60;
final static int VK_NUMPAD1 = 0x61;
final static int VK_NUMPAD2 = 0x62;
final static int VK_NUMPAD3 = 0x63;
final static int VK_NUMPAD4 = 0x64;
final static int VK_NUMPAD5 = 0x65;
final static int VK_NUMPAD6 = 0x66;
final static int VK_NUMPAD7 = 0x67;
final static int VK_NUMPAD8 = 0x68;
final static int VK_NUMPAD9 = 0x69;
final static int VK_MULTIPLY = 0x6A;
final static int VK_ADD = 0x6B;
final static int VK_SEPARATOR = 0x6C;
final static int VK_SUBTRACT = 0x6D;
final static int VK_DECIMAL = 0x6E;
final static int VK_DIVIDE = 0x6F;
final static int VK_F1 = 0x70;
final static int VK_F2 = 0x71;
final static int VK_F3 = 0x72;
final static int VK_F4 = 0x73;
final static int VK_F5 = 0x74;
final static int VK_F6 = 0x75;
final static int VK_F7 = 0x76;
final static int VK_F8 = 0x77;
final static int VK_F9 = 0x78;
final static int VK_F10 = 0x79;
final static int VK_F11 = 0x7A;
final static int VK_F12 = 0x7B;
final static int VK_F13 = 0x7C;
final static int VK_F14 = 0x7D;
final static int VK_F15 = 0x7E;
final static int VK_F16 = 0x7F;
final static int VK_F17 = 0x80;
final static int VK_F18 = 0x81;
final static int VK_F19 = 0x82;
final static int VK_F20 = 0x83;
final static int VK_F21 = 0x84;
final static int VK_F22 = 0x85;
final static int VK_F23 = 0x86;
final static int VK_F24 = 0x87;
final static int VK_NUMLOCK = 0x90;
final static int VK_SCROLL = 0x91;
final static int VK_LSHIFT = 0xA0;
final static int VK_RSHIFT = 0xA1;
final static int VK_LCONTROL = 0xA2;
final static int VK_RCONTROL = 0xA3;
final static int VK_LMENU = 0xA4;
final static int VK_RMENU = 0xA5;
final static int VK_BROWSER_BACK = 0xA6;
final static int VK_BROWSER_FORWARD = 0xA7;
final static int VK_BROWSER_REFRESH = 0xA8;
final static int VK_BROWSER_STOP = 0xA9;
final static int VK_BROWSER_SEARCH = 0xAA;
final static int VK_BROWSER_FAVORITES = 0xAB;
final static int VK_BROWSER_HOME = 0xAC;
final static int VK_VOLUME_MUTE = 0xAD;
final static int VK_VOLUME_DOWN = 0xAE;
final static int VK_VOLUME_UP = 0xAF;
final static int VK_MEDIA_NEXT_TRACK = 0xB0;
final static int VK_MEDIA_PREV_TRACK = 0xB1;
final static int VK_MEDIA_STOP = 0xB2;
final static int VK_MEDIA_PLAY_PAUSE = 0xB3;
final static int VK_LAUNCH_MAIL = 0xB4;
final static int VK_LAUNCH_MEDIA_SELECT = 0xB5;
final static int VK_LAUNCH_APP1 = 0xB6;
final static int VK_LAUNCH_APP2 = 0xB7;
final static int VK_OEM_1 = 0xBA;
final static int VK_OEM_PLUS = 0xBB;
final static int VK_OEM_COMMA = 0xBC;
final static int VK_OEM_MINUS = 0xBD;
final static int VK_OEM_PERIOD = 0xBE;
final static int VK_OEM_2 = 0xBF;
final static int VK_OEM_3 = 0xC0;
final static int VK_ABNT_C1 = 0xC1;
final static int VK_ABNT_C2 = 0xC2;
final static int VK_OEM_4 = 0xDB;
final static int VK_OEM_5 = 0xDC;
final static int VK_OEM_6 = 0xDD;
final static int VK_OEM_7 = 0xDE;
final static int VK_OEM_8 = 0xDF;
final static int VK_OEM_102 = 0xE2;
final static int VK_PROCESSKEY = 0xE5;
final static int VK_PACKET = 0xE7;
final static int VK_ATTN = 0xF6;
final static int VK_CRSEL = 0xF7;
final static int VK_EXSEL = 0xF8;
final static int VK_EREOF = 0xF9;
final static int VK_PLAY = 0xFA;
final static int VK_ZOOM = 0xFB;
final static int VK_NONAME = 0xFC;
final static int VK_PA1 = 0xFD;
final static int VK_OEM_CLEAR = 0xFE;
final static int VK_UNICODE = 0x80000000;
final static int VK_EXT_KEY = 0x00000100;
// key codes to switch between custom keyboard
private final static int EXTKEY_KBFUNCTIONKEYS = 0x1100;
private final static int EXTKEY_KBNUMPAD = 0x1101;
private final static int EXTKEY_KBCURSOR = 0x1102;
// this flag indicates if we got a VK or a unicode character in our translation map
private static final int KEY_FLAG_UNICODE = 0x80000000;
// this flag indicates if the key is a toggle key (remains down when pressed and goes up if
// pressed again)
private static final int KEY_FLAG_TOGGLE = 0x40000000;
private static int[] keymapAndroid;
private static int[] keymapExt;
private static boolean initialized = false;
private KeyProcessingListener listener = null;
private boolean shiftPressed = false;
private boolean ctrlPressed = false;
private boolean altPressed = false;
private boolean winPressed = false;
private long lastModifierTime;
private int lastModifierKeyCode = -1;
private boolean isShiftLocked = false;
private boolean isCtrlLocked = false;
private boolean isAltLocked = false;
private boolean isWinLocked = false;
public void init(Context context)
{
if (initialized == true)
return;
keymapAndroid = new int[256];
keymapAndroid[KeyEvent.KEYCODE_0] = VK_KEY_0;
keymapAndroid[KeyEvent.KEYCODE_1] = VK_KEY_1;
keymapAndroid[KeyEvent.KEYCODE_2] = VK_KEY_2;
keymapAndroid[KeyEvent.KEYCODE_3] = VK_KEY_3;
keymapAndroid[KeyEvent.KEYCODE_4] = VK_KEY_4;
keymapAndroid[KeyEvent.KEYCODE_5] = VK_KEY_5;
keymapAndroid[KeyEvent.KEYCODE_6] = VK_KEY_6;
keymapAndroid[KeyEvent.KEYCODE_7] = VK_KEY_7;
keymapAndroid[KeyEvent.KEYCODE_8] = VK_KEY_8;
keymapAndroid[KeyEvent.KEYCODE_9] = VK_KEY_9;
keymapAndroid[KeyEvent.KEYCODE_A] = VK_KEY_A;
keymapAndroid[KeyEvent.KEYCODE_B] = VK_KEY_B;
keymapAndroid[KeyEvent.KEYCODE_C] = VK_KEY_C;
keymapAndroid[KeyEvent.KEYCODE_D] = VK_KEY_D;
keymapAndroid[KeyEvent.KEYCODE_E] = VK_KEY_E;
keymapAndroid[KeyEvent.KEYCODE_F] = VK_KEY_F;
keymapAndroid[KeyEvent.KEYCODE_G] = VK_KEY_G;
keymapAndroid[KeyEvent.KEYCODE_H] = VK_KEY_H;
keymapAndroid[KeyEvent.KEYCODE_I] = VK_KEY_I;
keymapAndroid[KeyEvent.KEYCODE_J] = VK_KEY_J;
keymapAndroid[KeyEvent.KEYCODE_K] = VK_KEY_K;
keymapAndroid[KeyEvent.KEYCODE_L] = VK_KEY_L;
keymapAndroid[KeyEvent.KEYCODE_M] = VK_KEY_M;
keymapAndroid[KeyEvent.KEYCODE_N] = VK_KEY_N;
keymapAndroid[KeyEvent.KEYCODE_O] = VK_KEY_O;
keymapAndroid[KeyEvent.KEYCODE_P] = VK_KEY_P;
keymapAndroid[KeyEvent.KEYCODE_Q] = VK_KEY_Q;
keymapAndroid[KeyEvent.KEYCODE_R] = VK_KEY_R;
keymapAndroid[KeyEvent.KEYCODE_S] = VK_KEY_S;
keymapAndroid[KeyEvent.KEYCODE_T] = VK_KEY_T;
keymapAndroid[KeyEvent.KEYCODE_U] = VK_KEY_U;
keymapAndroid[KeyEvent.KEYCODE_V] = VK_KEY_V;
keymapAndroid[KeyEvent.KEYCODE_W] = VK_KEY_W;
keymapAndroid[KeyEvent.KEYCODE_X] = VK_KEY_X;
keymapAndroid[KeyEvent.KEYCODE_Y] = VK_KEY_Y;
keymapAndroid[KeyEvent.KEYCODE_Z] = VK_KEY_Z;
keymapAndroid[KeyEvent.KEYCODE_DEL] = VK_BACK;
keymapAndroid[KeyEvent.KEYCODE_ENTER] = VK_RETURN;
keymapAndroid[KeyEvent.KEYCODE_SPACE] = VK_SPACE;
keymapAndroid[KeyEvent.KEYCODE_TAB] = VK_TAB;
// keymapAndroid[KeyEvent.KEYCODE_SHIFT_LEFT] = VK_LSHIFT;
// keymapAndroid[KeyEvent.KEYCODE_SHIFT_RIGHT] = VK_RSHIFT;
// keymapAndroid[KeyEvent.KEYCODE_DPAD_DOWN] = VK_DOWN;
// keymapAndroid[KeyEvent.KEYCODE_DPAD_LEFT] = VK_LEFT;
// keymapAndroid[KeyEvent.KEYCODE_DPAD_RIGHT] = VK_RIGHT;
// keymapAndroid[KeyEvent.KEYCODE_DPAD_UP] = VK_UP;
// keymapAndroid[KeyEvent.KEYCODE_COMMA] = VK_OEM_COMMA;
// keymapAndroid[KeyEvent.KEYCODE_PERIOD] = VK_OEM_PERIOD;
// keymapAndroid[KeyEvent.KEYCODE_MINUS] = VK_OEM_MINUS;
// keymapAndroid[KeyEvent.KEYCODE_PLUS] = VK_OEM_PLUS;
// keymapAndroid[KeyEvent.KEYCODE_ALT_LEFT] = VK_LMENU;
// keymapAndroid[KeyEvent.KEYCODE_ALT_RIGHT] = VK_RMENU;
// keymapAndroid[KeyEvent.KEYCODE_AT] = (KEY_FLAG_UNICODE | 64);
// keymapAndroid[KeyEvent.KEYCODE_APOSTROPHE] = (KEY_FLAG_UNICODE | 39);
// keymapAndroid[KeyEvent.KEYCODE_BACKSLASH] = (KEY_FLAG_UNICODE | 92);
// keymapAndroid[KeyEvent.KEYCODE_COMMA] = (KEY_FLAG_UNICODE | 44);
// keymapAndroid[KeyEvent.KEYCODE_EQUALS] = (KEY_FLAG_UNICODE | 61);
// keymapAndroid[KeyEvent.KEYCODE_GRAVE] = (KEY_FLAG_UNICODE | 96);
// keymapAndroid[KeyEvent.KEYCODE_LEFT_BRACKET] = (KEY_FLAG_UNICODE | 91);
// keymapAndroid[KeyEvent.KEYCODE_RIGHT_BRACKET] = (KEY_FLAG_UNICODE | 93);
// keymapAndroid[KeyEvent.KEYCODE_MINUS] = (KEY_FLAG_UNICODE | 45);
// keymapAndroid[KeyEvent.KEYCODE_PERIOD] = (KEY_FLAG_UNICODE | 46);
// keymapAndroid[KeyEvent.KEYCODE_PLUS] = (KEY_FLAG_UNICODE | 43);
// keymapAndroid[KeyEvent.KEYCODE_POUND] = (KEY_FLAG_UNICODE | 35);
// keymapAndroid[KeyEvent.KEYCODE_SEMICOLON] = (KEY_FLAG_UNICODE | 59);
// keymapAndroid[KeyEvent.KEYCODE_SLASH] = (KEY_FLAG_UNICODE | 47);
// keymapAndroid[KeyEvent.KEYCODE_STAR] = (KEY_FLAG_UNICODE | 42);
// special keys mapping
keymapExt = new int[256];
keymapExt[context.getResources().getInteger(R.integer.keycode_F1)] = VK_F1;
keymapExt[context.getResources().getInteger(R.integer.keycode_F2)] = VK_F2;
keymapExt[context.getResources().getInteger(R.integer.keycode_F3)] = VK_F3;
keymapExt[context.getResources().getInteger(R.integer.keycode_F4)] = VK_F4;
keymapExt[context.getResources().getInteger(R.integer.keycode_F5)] = VK_F5;
keymapExt[context.getResources().getInteger(R.integer.keycode_F6)] = VK_F6;
keymapExt[context.getResources().getInteger(R.integer.keycode_F7)] = VK_F7;
keymapExt[context.getResources().getInteger(R.integer.keycode_F8)] = VK_F8;
keymapExt[context.getResources().getInteger(R.integer.keycode_F9)] = VK_F9;
keymapExt[context.getResources().getInteger(R.integer.keycode_F10)] = VK_F10;
keymapExt[context.getResources().getInteger(R.integer.keycode_F11)] = VK_F11;
keymapExt[context.getResources().getInteger(R.integer.keycode_F12)] = VK_F12;
keymapExt[context.getResources().getInteger(R.integer.keycode_tab)] = VK_TAB;
keymapExt[context.getResources().getInteger(R.integer.keycode_print)] = VK_PRINT;
keymapExt[context.getResources().getInteger(R.integer.keycode_insert)] =
VK_INSERT | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_delete)] =
VK_DELETE | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_home)] = VK_HOME | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_end)] = VK_END | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_pgup)] =
VK_PRIOR | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_pgdn)] = VK_NEXT | VK_EXT_KEY;
// numpad mapping
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_0)] = VK_NUMPAD0;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_1)] = VK_NUMPAD1;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_2)] = VK_NUMPAD2;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_3)] = VK_NUMPAD3;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_4)] = VK_NUMPAD4;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_5)] = VK_NUMPAD5;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_6)] = VK_NUMPAD6;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_7)] = VK_NUMPAD7;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_8)] = VK_NUMPAD8;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_9)] = VK_NUMPAD9;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_numlock)] = VK_NUMLOCK;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_add)] = VK_ADD;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_comma)] = VK_DECIMAL;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_divide)] =
VK_DIVIDE | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_enter)] =
VK_RETURN | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_multiply)] =
VK_MULTIPLY;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_subtract)] =
VK_SUBTRACT;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_equals)] =
(KEY_FLAG_UNICODE | 61);
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_left_paren)] =
(KEY_FLAG_UNICODE | 40);
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_right_paren)] =
(KEY_FLAG_UNICODE | 41);
// cursor key codes
keymapExt[context.getResources().getInteger(R.integer.keycode_up)] = VK_UP | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_down)] = VK_DOWN | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_left)] = VK_LEFT | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_right)] =
VK_RIGHT | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_enter)] =
VK_RETURN | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_backspace)] = VK_BACK;
// shared keys
keymapExt[context.getResources().getInteger(R.integer.keycode_win)] = VK_LWIN | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_menu)] = VK_APPS | VK_EXT_KEY;
keymapExt[context.getResources().getInteger(R.integer.keycode_esc)] = VK_ESCAPE;
/* keymapExt[context.getResources().getInteger(R.integer.keycode_modifier_ctrl)] =
VK_LCONTROL; keymapExt[context.getResources().getInteger(R.integer.keycode_modifier_alt)]
= VK_LMENU;
keymapExt[context.getResources().getInteger(R.integer.keycode_modifier_shift)] =
VK_LSHIFT;
*/
// get custom keyboard key codes
keymapExt[context.getResources().getInteger(R.integer.keycode_specialkeys_keyboard)] =
EXTKEY_KBFUNCTIONKEYS;
keymapExt[context.getResources().getInteger(R.integer.keycode_numpad_keyboard)] =
EXTKEY_KBNUMPAD;
keymapExt[context.getResources().getInteger(R.integer.keycode_cursor_keyboard)] =
EXTKEY_KBCURSOR;
keymapExt[context.getResources().getInteger(R.integer.keycode_toggle_shift)] =
(KEY_FLAG_TOGGLE | VK_LSHIFT);
keymapExt[context.getResources().getInteger(R.integer.keycode_toggle_ctrl)] =
(KEY_FLAG_TOGGLE | VK_LCONTROL);
keymapExt[context.getResources().getInteger(R.integer.keycode_toggle_alt)] =
(KEY_FLAG_TOGGLE | VK_LMENU);
keymapExt[context.getResources().getInteger(R.integer.keycode_toggle_win)] =
(KEY_FLAG_TOGGLE | VK_LWIN);
initialized = true;
}
public void reset(KeyProcessingListener listener)
{
shiftPressed = false;
ctrlPressed = false;
altPressed = false;
winPressed = false;
setKeyProcessingListener(listener);
}
public void setKeyProcessingListener(KeyProcessingListener listener)
{
this.listener = listener;
}
public boolean processAndroidKeyEvent(KeyEvent event)
{
switch (event.getAction())
{
// we only process down events
case KeyEvent.ACTION_UP:
{
return false;
}
case KeyEvent.ACTION_DOWN:
{
boolean modifierActive = isModifierPressed();
// if a modifier is pressed we will send a VK event (if possible) so that key
// combinations will be recognized correctly. Otherwise we will send the unicode
// key. At the end we will reset all modifiers and notifiy our listener.
int vkcode = getVirtualKeyCode(event.getKeyCode());
if ((vkcode & KEY_FLAG_UNICODE) != 0)
listener.processUnicodeKey(vkcode & (~KEY_FLAG_UNICODE));
// if we got a valid vkcode send it - except for letters/numbers if a modifier is
// active
else if (vkcode > 0 &&
(event.getMetaState() & (KeyEvent.META_ALT_ON | KeyEvent.META_SHIFT_ON |
KeyEvent.META_SYM_ON)) == 0)
{
listener.processVirtualKey(vkcode, true);
listener.processVirtualKey(vkcode, false);
}
else if (event.isShiftPressed() && vkcode != 0)
{
listener.processVirtualKey(VK_LSHIFT, true);
listener.processVirtualKey(vkcode, true);
listener.processVirtualKey(vkcode, false);
listener.processVirtualKey(VK_LSHIFT, false);
}
else if (event.getUnicodeChar() != 0)
listener.processUnicodeKey(event.getUnicodeChar());
else
return false;
// reset any pending toggle states if a modifier was pressed
if (modifierActive)
resetModifierKeysAfterInput(false);
return true;
}
case KeyEvent.ACTION_MULTIPLE:
{
String str = event.getCharacters();
for (int i = 0; i < str.length(); i++)
listener.processUnicodeKey(str.charAt(i));
return true;
}
default:
break;
}
return false;
}
public void processCustomKeyEvent(int keycode)
{
int extCode = getExtendedKeyCode(keycode);
if (extCode == 0)
return;
// toggle button pressed?
if ((extCode & KEY_FLAG_TOGGLE) != 0)
{
processToggleButton(extCode & (~KEY_FLAG_TOGGLE));
return;
}
// keyboard switch button pressed?
if (extCode == EXTKEY_KBFUNCTIONKEYS || extCode == EXTKEY_KBNUMPAD ||
extCode == EXTKEY_KBCURSOR)
{
switchKeyboard(extCode);
return;
}
// nope - see if we got a unicode or vk
if ((extCode & KEY_FLAG_UNICODE) != 0)
listener.processUnicodeKey(extCode & (~KEY_FLAG_UNICODE));
else
{
listener.processVirtualKey(extCode, true);
listener.processVirtualKey(extCode, false);
}
resetModifierKeysAfterInput(false);
}
public void sendAltF4()
{
listener.processVirtualKey(VK_LMENU, true);
listener.processVirtualKey(VK_F4, true);
listener.processVirtualKey(VK_F4, false);
listener.processVirtualKey(VK_LMENU, false);
}
private boolean isModifierPressed()
{
return (shiftPressed || ctrlPressed || altPressed || winPressed);
}
public int getModifierState(int keycode)
{
int modifierCode = getExtendedKeyCode(keycode);
// check and get real modifier keycode
if ((modifierCode & KEY_FLAG_TOGGLE) == 0)
return -1;
modifierCode = modifierCode & (~KEY_FLAG_TOGGLE);
switch (modifierCode)
{
case VK_LSHIFT:
{
return (shiftPressed ? (isShiftLocked ? KEYSTATE_LOCKED : KEYSTATE_ON)
: KEYSTATE_OFF);
}
case VK_LCONTROL:
{
return (ctrlPressed ? (isCtrlLocked ? KEYSTATE_LOCKED : KEYSTATE_ON)
: KEYSTATE_OFF);
}
case VK_LMENU:
{
return (altPressed ? (isAltLocked ? KEYSTATE_LOCKED : KEYSTATE_ON) : KEYSTATE_OFF);
}
case VK_LWIN:
{
return (winPressed ? (isWinLocked ? KEYSTATE_LOCKED : KEYSTATE_ON) : KEYSTATE_OFF);
}
}
return -1;
}
private int getVirtualKeyCode(int keycode)
{
if (keycode >= 0 && keycode <= 0xFF)
return keymapAndroid[keycode];
return 0;
}
private int getExtendedKeyCode(int keycode)
{
if (keycode >= 0 && keycode <= 0xFF)
return keymapExt[keycode];
return 0;
}
private void processToggleButton(int keycode)
{
switch (keycode)
{
case VK_LSHIFT:
{
if (!checkToggleModifierLock(VK_LSHIFT))
{
isShiftLocked = false;
shiftPressed = !shiftPressed;
listener.processVirtualKey(VK_LSHIFT, shiftPressed);
}
else
isShiftLocked = true;
break;
}
case VK_LCONTROL:
{
if (!checkToggleModifierLock(VK_LCONTROL))
{
isCtrlLocked = false;
ctrlPressed = !ctrlPressed;
listener.processVirtualKey(VK_LCONTROL, ctrlPressed);
}
else
isCtrlLocked = true;
break;
}
case VK_LMENU:
{
if (!checkToggleModifierLock(VK_LMENU))
{
isAltLocked = false;
altPressed = !altPressed;
listener.processVirtualKey(VK_LMENU, altPressed);
}
else
isAltLocked = true;
break;
}
case VK_LWIN:
{
if (!checkToggleModifierLock(VK_LWIN))
{
isWinLocked = false;
winPressed = !winPressed;
listener.processVirtualKey(VK_LWIN | VK_EXT_KEY, winPressed);
}
else
isWinLocked = true;
break;
}
}
listener.modifiersChanged();
}
public void clearlAllModifiers()
{
resetModifierKeysAfterInput(true);
}
private void resetModifierKeysAfterInput(boolean force)
{
if (shiftPressed && (!isShiftLocked || force))
{
listener.processVirtualKey(VK_LSHIFT, false);
shiftPressed = false;
}
if (ctrlPressed && (!isCtrlLocked || force))
{
listener.processVirtualKey(VK_LCONTROL, false);
ctrlPressed = false;
}
if (altPressed && (!isAltLocked || force))
{
listener.processVirtualKey(VK_LMENU, false);
altPressed = false;
}
if (winPressed && (!isWinLocked || force))
{
listener.processVirtualKey(VK_LWIN | VK_EXT_KEY, false);
winPressed = false;
}
if (listener != null)
listener.modifiersChanged();
}
private void switchKeyboard(int keycode)
{
switch (keycode)
{
case EXTKEY_KBFUNCTIONKEYS:
{
listener.switchKeyboard(KEYBOARD_TYPE_FUNCTIONKEYS);
break;
}
case EXTKEY_KBNUMPAD:
{
listener.switchKeyboard(KEYBOARD_TYPE_NUMPAD);
break;
}
case EXTKEY_KBCURSOR:
{
listener.switchKeyboard(KEYBOARD_TYPE_CURSOR);
break;
}
default:
break;
}
}
private boolean checkToggleModifierLock(int keycode)
{
long now = System.currentTimeMillis();
// was the same modifier hit?
if (lastModifierKeyCode != keycode)
{
lastModifierKeyCode = keycode;
lastModifierTime = now;
return false;
}
// within a certain time interval?
if (lastModifierTime + 800 > now)
{
lastModifierTime = 0;
return true;
}
else
{
lastModifierTime = now;
return false;
}
}
// interface that gets called for input handling
public interface KeyProcessingListener {
abstract void processVirtualKey(int virtualKeyCode, boolean down);
abstract void processUnicodeKey(int unicodeKey);
abstract void switchKeyboard(int keyboardType);
abstract void modifiersChanged();
}
}