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      1 /*
      2  * Copyright 2007, The Android Open Source Project
      3  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
      4  * Copyright (C) 2006 Michael Emmel mike.emmel (at) gmail.com
      5  * Copyright (C) 2007 Holger Hans Peter Freyther
      6  * Copyright (C) 2008 Collabora, Ltd.  All rights reserved.
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  *  * Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *  * Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
     19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     25  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     26  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "PlatformKeyboardEvent.h"
     33 
     34 #include "NotImplemented.h"
     35 #include "WindowsKeyboardCodes.h"
     36 #include <ui/KeycodeLabels.h>
     37 
     38 namespace WebCore {
     39 
     40 // compare to same function in gdk/KeyEventGdk.cpp
     41 static int windowsKeyCodeForKeyEvent(unsigned int keyCode)
     42 {
     43     // Does not provide all key codes, and does not handle all keys.
     44     switch (keyCode) {
     45     case AKEYCODE_DEL:
     46         return VK_BACK;
     47     case AKEYCODE_TAB:
     48         return VK_TAB;
     49     case AKEYCODE_CLEAR:
     50         return VK_CLEAR;
     51     case AKEYCODE_DPAD_CENTER:
     52     case AKEYCODE_ENTER:
     53         return VK_RETURN;
     54     case AKEYCODE_SHIFT_LEFT:
     55     case AKEYCODE_SHIFT_RIGHT:
     56         return VK_SHIFT;
     57     // back will serve as escape, although we probably do not have access to it
     58     case AKEYCODE_BACK:
     59         return VK_ESCAPE;
     60     case AKEYCODE_SPACE:
     61         return VK_SPACE;
     62     case AKEYCODE_HOME:
     63         return VK_HOME;
     64     case AKEYCODE_DPAD_LEFT:
     65         return VK_LEFT;
     66     case AKEYCODE_DPAD_UP:
     67         return VK_UP;
     68     case AKEYCODE_DPAD_RIGHT:
     69         return VK_RIGHT;
     70     case AKEYCODE_DPAD_DOWN:
     71         return VK_DOWN;
     72     case AKEYCODE_0:
     73         return VK_0;
     74     case AKEYCODE_1:
     75         return VK_1;
     76     case AKEYCODE_2:
     77         return VK_2;
     78     case AKEYCODE_3:
     79         return VK_3;
     80     case AKEYCODE_4:
     81         return VK_4;
     82     case AKEYCODE_5:
     83         return VK_5;
     84     case AKEYCODE_6:
     85         return VK_6;
     86     case AKEYCODE_7:
     87         return VK_7;
     88     case AKEYCODE_8:
     89         return VK_8;
     90     case AKEYCODE_9:
     91         return VK_9;
     92     case AKEYCODE_A:
     93         return VK_A;
     94     case AKEYCODE_B:
     95         return VK_B;
     96     case AKEYCODE_C:
     97         return VK_C;
     98     case AKEYCODE_D:
     99         return VK_D;
    100     case AKEYCODE_E:
    101         return VK_E;
    102     case AKEYCODE_F:
    103         return VK_F;
    104     case AKEYCODE_G:
    105         return VK_G;
    106     case AKEYCODE_H:
    107         return VK_H;
    108     case AKEYCODE_I:
    109         return VK_I;
    110     case AKEYCODE_J:
    111         return VK_J;
    112     case AKEYCODE_K:
    113         return VK_K;
    114     case AKEYCODE_L:
    115         return VK_L;
    116     case AKEYCODE_M:
    117         return VK_M;
    118     case AKEYCODE_N:
    119         return VK_N;
    120     case AKEYCODE_O:
    121         return VK_O;
    122     case AKEYCODE_P:
    123         return VK_P;
    124     case AKEYCODE_Q:
    125         return VK_Q;
    126     case AKEYCODE_R:
    127         return VK_R;
    128     case AKEYCODE_S:
    129         return VK_S;
    130     case AKEYCODE_T:
    131         return VK_T;
    132     case AKEYCODE_U:
    133         return VK_U;
    134     case AKEYCODE_V:
    135         return VK_V;
    136     case AKEYCODE_W:
    137         return VK_W;
    138     case AKEYCODE_X:
    139         return VK_X;
    140     case AKEYCODE_Y:
    141         return VK_Y;
    142     case AKEYCODE_Z:
    143         return VK_Z;
    144     // colon
    145     case AKEYCODE_SEMICOLON:
    146         return VK_OEM_1;
    147     case AKEYCODE_COMMA:
    148         return VK_OEM_COMMA;
    149     case AKEYCODE_MINUS:
    150         return VK_OEM_MINUS;
    151     case AKEYCODE_EQUALS:
    152         return VK_OEM_PLUS;
    153     case AKEYCODE_PERIOD:
    154         return VK_OEM_PERIOD;
    155     case AKEYCODE_SLASH:
    156         return VK_OEM_2;
    157     // maybe not the right choice
    158     case AKEYCODE_LEFT_BRACKET:
    159         return VK_OEM_4;
    160     case AKEYCODE_BACKSLASH:
    161         return VK_OEM_5;
    162     case AKEYCODE_RIGHT_BRACKET:
    163         return VK_OEM_6;
    164     default:
    165         return 0;
    166     }
    167 }
    168 
    169 static String keyIdentifierForAndroidKeyCode(int keyCode)
    170 {
    171     // Does not return all of the same key identifiers, and
    172     // does not handle all the keys.
    173     switch (keyCode) {
    174     case AKEYCODE_CLEAR:
    175         return "Clear";
    176     case AKEYCODE_ENTER:
    177     case AKEYCODE_DPAD_CENTER:
    178         return "Enter";
    179     case AKEYCODE_HOME:
    180         return "Home";
    181     case AKEYCODE_DPAD_DOWN:
    182         return "Down";
    183     case AKEYCODE_DPAD_LEFT:
    184         return "Left";
    185     case AKEYCODE_DPAD_RIGHT:
    186         return "Right";
    187     case AKEYCODE_DPAD_UP:
    188         return "Up";
    189     // Standard says that DEL becomes U+00007F.
    190     case AKEYCODE_DEL:
    191         return "U+00007F";
    192     default:
    193         char upper[16];
    194         sprintf(upper, "U+%06X", windowsKeyCodeForKeyEvent(keyCode));
    195         return String(upper);
    196     }
    197 }
    198 
    199 static inline String singleCharacterString(UChar32 c)
    200 {
    201     if (!c)
    202         return String();
    203     if (c > 0xffff) {
    204         UChar lead = U16_LEAD(c);
    205         UChar trail = U16_TRAIL(c);
    206         UChar utf16[2] = {lead, trail};
    207         return String(utf16, 2);
    208     }
    209     UChar n = (UChar)c;
    210     return String(&n, 1);
    211 }
    212 
    213 PlatformKeyboardEvent::PlatformKeyboardEvent(int keyCode, UChar32 unichar,
    214         int repeatCount, bool down, bool cap, bool alt, bool sym)
    215     : m_type(down ? KeyDown : KeyUp)
    216     , m_text(singleCharacterString(unichar))
    217     , m_unmodifiedText(singleCharacterString(unichar))
    218     , m_keyIdentifier(keyIdentifierForAndroidKeyCode(keyCode))
    219     , m_autoRepeat(repeatCount > 0)
    220     , m_windowsVirtualKeyCode(windowsKeyCodeForKeyEvent(keyCode))
    221     , m_nativeVirtualKeyCode(keyCode)
    222     , m_isKeypad(false)
    223     , m_shiftKey(cap ? ShiftKey : 0)
    224     , m_ctrlKey(sym ? CtrlKey : 0)
    225     , m_altKey(alt ? AltKey : 0)
    226     , m_metaKey(0)
    227     // added for android
    228     , m_repeatCount(repeatCount)
    229     , m_unichar(unichar)
    230 {
    231     // Copied from the mac port
    232     if (m_windowsVirtualKeyCode == '\r') {
    233         m_text = "\r";
    234         m_unmodifiedText = "\r";
    235     }
    236 
    237     if (m_text == "\x7F")
    238         m_text = "\x8";
    239     if (m_unmodifiedText == "\x7F")
    240         m_unmodifiedText = "\x8";
    241 
    242     if (m_windowsVirtualKeyCode == 9) {
    243         m_text = "\x9";
    244         m_unmodifiedText = "\x9";
    245     }
    246 }
    247 
    248 bool PlatformKeyboardEvent::currentCapsLockState()
    249 {
    250     notImplemented();
    251     return false;
    252 }
    253 
    254 void PlatformKeyboardEvent::getCurrentModifierState(bool& shiftKey, bool& ctrlKey, bool& altKey, bool& metaKey)
    255 {
    256     notImplemented();
    257     shiftKey = false;
    258     ctrlKey = false;
    259     altKey = false;
    260     metaKey = false;
    261 }
    262 
    263 void PlatformKeyboardEvent::disambiguateKeyDownEvent(Type type, bool backwardCompatibilityMode)
    264 {
    265     // Copied with modification from the mac port.
    266     ASSERT(m_type == KeyDown);
    267     ASSERT(type == RawKeyDown || type == Char);
    268     m_type = type;
    269     if (backwardCompatibilityMode)
    270         return;
    271 
    272     if (type == RawKeyDown) {
    273         m_text = String();
    274         m_unmodifiedText = String();
    275     } else {
    276         m_keyIdentifier = String();
    277         m_windowsVirtualKeyCode = 0;
    278     }
    279 }
    280 
    281 } // namespace WebCore
    282