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      1 /*
      2  * Copyright (C) 2007 Ryan Leavengood <leavengood (at) gmail.com>
      3  * Copyright (C) 2008 Andrea Anzani <andrea.anzani (at) gmail.com>
      4  *
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     24  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "PlatformKeyboardEvent.h"
     31 
     32 #include "KeyboardCodes.h"
     33 #include "NotImplemented.h"
     34 #include <InterfaceDefs.h>
     35 #include <Message.h>
     36 #include <String.h>
     37 
     38 
     39 namespace WebCore {
     40 
     41 static String keyIdentifierForHaikuKeyCode(char singleByte, int keyCode)
     42 {
     43     switch (singleByte) {
     44     case B_FUNCTION_KEY:
     45 
     46         switch (keyCode) {
     47         case B_F1_KEY:
     48             return "F1";
     49         case B_F2_KEY:
     50             return "F2";
     51         case B_F3_KEY:
     52             return "F3";
     53         case B_F4_KEY:
     54             return "F4";
     55         case B_F5_KEY:
     56             return "F5";
     57         case B_F6_KEY:
     58             return "F6";
     59         case B_F7_KEY:
     60             return "F7";
     61         case B_F8_KEY:
     62             return "F8";
     63         case B_F9_KEY:
     64             return "F9";
     65         case B_F10_KEY:
     66             return "F10";
     67         case B_F11_KEY:
     68             return "F11";
     69         case B_F12_KEY:
     70             return "F12";
     71         case B_PRINT_KEY:
     72             return "Print";
     73         case B_PAUSE_KEY:
     74             return "Pause";
     75         case B_SCROLL_KEY:
     76             return ""; // FIXME
     77         }
     78         break;
     79 
     80     case B_BACKSPACE:
     81         return "U+0009";
     82     case B_LEFT_ARROW:
     83         return "Left";
     84     case B_RIGHT_ARROW:
     85         return "Right";
     86     case B_UP_ARROW:
     87         return "Up";
     88     case B_DOWN_ARROW:
     89         return "Down";
     90     case B_INSERT:
     91         return "Insert";
     92     case B_ENTER:
     93         return "Enter";
     94     case B_DELETE:
     95         return "U+007F";
     96     case B_HOME:
     97         return "Home";
     98     case B_END:
     99         return "End";
    100     case B_PAGE_UP:
    101         return "PageUp";
    102     case B_PAGE_DOWN:
    103         return "PageDown";
    104     case B_TAB:
    105         return "U+0009";
    106     }
    107 
    108     return String::format("U+%04X", toASCIIUpper(keyCode));
    109 }
    110 
    111 static int windowsKeyCodeForKeyEvent(char singleByte)
    112 {
    113     switch (singleByte) {
    114     case B_BACKSPACE:
    115         return VK_BACK; // (08) BACKSPACE key
    116     case B_TAB:
    117         return VK_TAB; // (09) TAB key
    118     case B_RETURN:
    119         return VK_RETURN; //(0D) Return key
    120     case B_ESCAPE:
    121         return VK_ESCAPE; // (1B) ESC key
    122     case B_SPACE:
    123         return VK_SPACE; // (20) SPACEBAR
    124     case B_PAGE_UP:
    125         return VK_PRIOR; // (21) PAGE UP key
    126     case B_PAGE_DOWN:
    127         return VK_NEXT; // (22) PAGE DOWN key
    128     case B_END:
    129         return VK_END; // (23) END key
    130     case B_HOME:
    131         return VK_HOME; // (24) HOME key
    132     case B_LEFT_ARROW:
    133         return VK_LEFT; // (25) LEFT ARROW key
    134     case B_UP_ARROW:
    135         return VK_UP; // (26) UP ARROW key
    136     case B_RIGHT_ARROW:
    137         return VK_RIGHT; // (27) RIGHT ARROW key
    138     case B_DOWN_ARROW:
    139         return VK_DOWN; // (28) DOWN ARROW key
    140     case B_INSERT:
    141         return VK_INSERT; // (2D) INS key
    142     case B_DELETE:
    143         return VK_DELETE; // (2E) DEL key
    144     case 0x2e:
    145     default:
    146         return 0;
    147     }
    148 }
    149 
    150 PlatformKeyboardEvent::PlatformKeyboardEvent(BMessage* message)
    151     : m_autoRepeat(false)
    152     , m_ctrlKey(false)
    153     , m_altKey(false)
    154     , m_metaKey(false)
    155     , m_isKeypad(false)
    156     , m_shiftKey(false)
    157 {
    158     BString bytes = message->FindString("bytes");
    159 
    160     m_text = String::fromUTF8(bytes.String(), bytes.Length());
    161     m_unmodifiedText = String(bytes.String(), bytes.Length());
    162     m_keyIdentifier = keyIdentifierForHaikuKeyCode(bytes.ByteAt(0), message->FindInt32("key"));
    163 
    164     if (message->what == B_KEY_UP)
    165         m_type = KeyUp;
    166     else if (message->what == B_KEY_DOWN)
    167         m_type = KeyDown;
    168 
    169     m_windowsVirtualKeyCode = windowsKeyCodeForKeyEvent(bytes.ByteAt(0));
    170 }
    171 
    172 void PlatformKeyboardEvent::disambiguateKeyDownEvent(Type type, bool)
    173 {
    174     // Can only change type from KeyDown to RawKeyDown or Char, as we lack information for other conversions.
    175     ASSERT(m_type == KeyDown);
    176     m_type = type;
    177     if (type == RawKeyDown) {
    178         m_text = String();
    179         m_unmodifiedText = String();
    180     } else {
    181         m_keyIdentifier = String();
    182         m_windowsVirtualKeyCode = 0;
    183     }
    184 }
    185 
    186 bool PlatformKeyboardEvent::currentCapsLockState()
    187 {
    188     notImplemented();
    189     return false;
    190 }
    191 
    192 } // namespace WebCore
    193 
    194