/*

 * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.

 * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com 

 * Copyright (C) 2007 Holger Hans Peter Freyther

 * 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. 

 */

#include "config.h"

#include "PlatformKeyboardEvent.h"

#include "DeprecatedString.h"

#include "KeyboardCodes.h"

#include "TextEncoding.h"

#include <gdk/gdk.h>

#include <gdk/gdkkeysyms.h>

namespace WebCore {

// FIXME: This is incomplete.  We should change this to mirror

// more like what Firefox does, and generate these switch statements

// at build time.

static String keyIdentifierForGdkKeyCode(guint keyCode)

{

    switch (keyCode) {

        case GDK_Menu:

        case GDK_Alt_L:

        case GDK_Alt_R:

            return "Alt";

        case GDK_Clear:

            return "Clear";

        case GDK_Down:

            return "Down";

            // "End"

        case GDK_End:

            return "End";

            // "Enter"

        case GDK_ISO_Enter:

        case GDK_KP_Enter:

            return "Enter";

        case GDK_Execute:

            return "Execute";

        case GDK_F1:

            return "F1";

        case GDK_F2:

            return "F2";

        case GDK_F3:

            return "F3";

        case GDK_F4:

            return "F4";

        case GDK_F5:

            return "F5";

        case GDK_F6:

            return "F6";

        case GDK_F7:

            return "F7";

        case GDK_F8:

            return "F8";

        case GDK_F9:

            return "F9";

        case GDK_F10:

            return "F10";

        case GDK_F11:

            return "F11";

        case GDK_F12:

            return "F12";

        case GDK_F13:

            return "F13";

        case GDK_F14:

            return "F14";

        case GDK_F15:

            return "F15";

        case GDK_F16:

            return "F16";

        case GDK_F17:

            return "F17";

        case GDK_F18:

            return "F18";

        case GDK_F19:

            return "F19";

        case GDK_F20:

            return "F20";

        case GDK_F21:

            return "F21";

        case GDK_F22:

            return "F22";

        case GDK_F23:

            return "F23";

        case GDK_F24:

            return "F24";

        case GDK_Help:

            return "Help";

        case GDK_Home:

            return "Home";

        case GDK_Insert:

            return "Insert";

        case GDK_Left:

            return "Left";

        case GDK_Page_Down:

            return "PageDown";

        case GDK_Page_Up:

            return "PageUp";

        case GDK_Pause:

            return "Pause";

        case GDK_3270_PrintScreen:

            return "PrintScreen";

        case GDK_Right:

            return "Right";

        case GDK_Select:

            return "Select";

        case GDK_Up:

            return "Up";

            // Standard says that DEL becomes U+007F.

        case GDK_Delete:

            return "U+007F";

        case GDK_Tab:

            return "U+0009";

        default:

            return String::format("U+%04X", gdk_keyval_to_unicode(gdk_keyval_to_upper(keyCode)));

    }

}

static int windowsKeyCodeForKeyEvent(unsigned int keycode)

{

    switch (keycode) {

        case GDK_KP_0:

            return VK_NUMPAD0;// (60) Numeric keypad 0 key

        case GDK_KP_1:

            return VK_NUMPAD1;// (61) Numeric keypad 1 key

        case GDK_KP_2:

            return  VK_NUMPAD2; // (62) Numeric keypad 2 key

        case GDK_KP_3:

            return VK_NUMPAD3; // (63) Numeric keypad 3 key

        case GDK_KP_4:

            return VK_NUMPAD4; // (64) Numeric keypad 4 key

        case GDK_KP_5:

            return VK_NUMPAD5; //(65) Numeric keypad 5 key

        case GDK_KP_6:

            return VK_NUMPAD6; // (66) Numeric keypad 6 key

        case GDK_KP_7:

            return VK_NUMPAD7; // (67) Numeric keypad 7 key

        case GDK_KP_8:

            return VK_NUMPAD8; // (68) Numeric keypad 8 key

        case GDK_KP_9:

            return VK_NUMPAD9; // (69) Numeric keypad 9 key

        case GDK_KP_Multiply:

            return VK_MULTIPLY; // (6A) Multiply key

        case GDK_KP_Add:

            return VK_ADD; // (6B) Add key

        case GDK_KP_Subtract:

            return VK_SUBTRACT; // (6D) Subtract key

        case GDK_KP_Decimal:

            return VK_DECIMAL; // (6E) Decimal key

        case GDK_KP_Divide:

            return VK_DIVIDE; // (6F) Divide key

        case GDK_BackSpace:

            return VK_BACK; // (08) BACKSPACE key

        case GDK_Tab:

            return VK_TAB; // (09) TAB key

        case GDK_Clear:

            return VK_CLEAR; // (0C) CLEAR key

        case GDK_Return:

            return VK_RETURN; //(0D) Return key

        case GDK_Shift_L:

        case GDK_Shift_R:

            return VK_SHIFT; // (10) SHIFT key

        case GDK_Control_L:

        case GDK_Control_R:

            return VK_CONTROL; // (11) CTRL key

        case GDK_Menu:

        case GDK_Alt_L:

        case GDK_Alt_R:

            return VK_MENU; // (12) ALT key

        case GDK_Pause:

            return VK_PAUSE; // (13) PAUSE key

        case GDK_Caps_Lock:

            return VK_CAPITAL; // (14) CAPS LOCK key

        case GDK_Kana_Lock:

        case GDK_Kana_Shift:

            return VK_KANA; // (15) Input Method Editor (IME) Kana mode

        case GDK_Hangul:

            return VK_HANGUL; // VK_HANGUL (15) IME Hangul mode

            // VK_JUNJA (17) IME Junja mode

            // VK_FINAL (18) IME final mode

        case GDK_Hangul_Hanja:

            return VK_HANJA; // (19) IME Hanja mode

        case GDK_Kanji:

            return VK_KANJI; // (19) IME Kanji mode

        case GDK_Escape:

            return VK_ESCAPE; // (1B) ESC key

            // VK_CONVERT (1C) IME convert

            // VK_NONCONVERT (1D) IME nonconvert

            // VK_ACCEPT (1E) IME accept

            // VK_MODECHANGE (1F) IME mode change request

        case GDK_space:

            return VK_SPACE; // (20) SPACEBAR

        case GDK_Page_Up:

            return VK_PRIOR; // (21) PAGE UP key

        case GDK_Page_Down:

            return VK_NEXT; // (22) PAGE DOWN key

        case GDK_End:

            return VK_END; // (23) END key

        case GDK_Home:

            return VK_HOME; // (24) HOME key

        case GDK_Left:

            return VK_LEFT; // (25) LEFT ARROW key

        case GDK_Up:

            return VK_UP; // (26) UP ARROW key

        case GDK_Right:

            return VK_RIGHT; // (27) RIGHT ARROW key

        case GDK_Down:

            return VK_DOWN; // (28) DOWN ARROW key

        case GDK_Select:

            return VK_SELECT; // (29) SELECT key

        case GDK_Print:

            return VK_PRINT; // (2A) PRINT key

        case GDK_Execute:

            return VK_EXECUTE;// (2B) EXECUTE key

            //dunno on this

            //case GDK_PrintScreen:

            //      return VK_SNAPSHOT; // (2C) PRINT SCREEN key

        case GDK_Insert:

            return VK_INSERT; // (2D) INS key

        case GDK_Delete:

            return VK_DELETE; // (2E) DEL key

        case GDK_Help:

            return VK_HELP; // (2F) HELP key

        case GDK_0:

        case GDK_parenleft:

            return VK_0;    //  (30) 0) key

        case GDK_1:

            return VK_1; //  (31) 1 ! key

        case GDK_2:

        case GDK_at:

            return VK_2; //  (32) 2 & key

        case GDK_3:

        case GDK_numbersign:

            return VK_3; //case '3': case '#';

        case GDK_4:

        case GDK_dollar: //  (34) 4 key '$';

            return VK_4;

        case GDK_5:

        case GDK_percent:

            return VK_5; //  (35) 5 key  '%'

        case GDK_6:

        case GDK_asciicircum:

            return VK_6; //  (36) 6 key  '^'

        case GDK_7:

        case GDK_ampersand:

            return VK_7; //  (37) 7 key  case '&'

        case GDK_8:

        case GDK_asterisk:

            return VK_8; //  (38) 8 key  '*'

        case GDK_9:

        case GDK_parenright:

            return VK_9; //  (39) 9 key '('

        case GDK_a:

        case GDK_A:

            return VK_A; //  (41) A key case 'a': case 'A': return 0x41;

        case GDK_b:

        case GDK_B:

            return VK_B; //  (42) B key case 'b': case 'B': return 0x42;

        case GDK_c:

        case GDK_C:

            return VK_C; //  (43) C key case 'c': case 'C': return 0x43;

        case GDK_d:

        case GDK_D:

            return VK_D; //  (44) D key case 'd': case 'D': return 0x44;

        case GDK_e:

        case GDK_E:

            return VK_E; //  (45) E key case 'e': case 'E': return 0x45;

        case GDK_f:

        case GDK_F:

            return VK_F; //  (46) F key case 'f': case 'F': return 0x46;

        case GDK_g:

        case GDK_G:

            return VK_G; //  (47) G key case 'g': case 'G': return 0x47;

        case GDK_h:

        case GDK_H:

            return VK_H; //  (48) H key case 'h': case 'H': return 0x48;

        case GDK_i:

        case GDK_I:

            return VK_I; //  (49) I key case 'i': case 'I': return 0x49;

        case GDK_j:

        case GDK_J:

            return VK_J; //  (4A) J key case 'j': case 'J': return 0x4A;

        case GDK_k:

        case GDK_K:

            return VK_K; //  (4B) K key case 'k': case 'K': return 0x4B;

        case GDK_l:

        case GDK_L:

            return VK_L; //  (4C) L key case 'l': case 'L': return 0x4C;

        case GDK_m:

        case GDK_M:

            return VK_M; //  (4D) M key case 'm': case 'M': return 0x4D;

        case GDK_n:

        case GDK_N:

            return VK_N; //  (4E) N key case 'n': case 'N': return 0x4E;

        case GDK_o:

        case GDK_O:

            return VK_O; //  (4F) O key case 'o': case 'O': return 0x4F;

        case GDK_p:

        case GDK_P:

            return VK_P; //  (50) P key case 'p': case 'P': return 0x50;

        case GDK_q:

        case GDK_Q:

            return VK_Q; //  (51) Q key case 'q': case 'Q': return 0x51;

        case GDK_r:

        case GDK_R:

            return VK_R; //  (52) R key case 'r': case 'R': return 0x52;

        case GDK_s:

        case GDK_S:

            return VK_S; //  (53) S key case 's': case 'S': return 0x53;

        case GDK_t:

        case GDK_T:

            return VK_T; //  (54) T key case 't': case 'T': return 0x54;

        case GDK_u:

        case GDK_U:

            return VK_U; //  (55) U key case 'u': case 'U': return 0x55;

        case GDK_v:

        case GDK_V:

            return VK_V; //  (56) V key case 'v': case 'V': return 0x56;

        case GDK_w:

        case GDK_W:

            return VK_W; //  (57) W key case 'w': case 'W': return 0x57;

        case GDK_x:

        case GDK_X:

            return VK_X; //  (58) X key case 'x': case 'X': return 0x58;

        case GDK_y:

        case GDK_Y:

            return VK_Y; //  (59) Y key case 'y': case 'Y': return 0x59;

        case GDK_z:

        case GDK_Z:

            return VK_Z; //  (5A) Z key case 'z': case 'Z': return 0x5A;

        case GDK_Meta_L:

            return VK_LWIN; // (5B) Left Windows key (Microsoft Natural keyboard)

        case GDK_Meta_R:

            return VK_RWIN; // (5C) Right Windows key (Natural keyboard)

            // VK_APPS (5D) Applications key (Natural keyboard)

            // VK_SLEEP (5F) Computer Sleep key

            // VK_SEPARATOR (6C) Separator key

            // VK_SUBTRACT (6D) Subtract key

            // VK_DECIMAL (6E) Decimal key

            // VK_DIVIDE (6F) Divide key

            // handled by key code above

        case GDK_Num_Lock:

            return VK_NUMLOCK; // (90) NUM LOCK key

        case GDK_Scroll_Lock:

            return VK_SCROLL; // (91) SCROLL LOCK key

            // VK_LSHIFT (A0) Left SHIFT key

            // VK_RSHIFT (A1) Right SHIFT key

            // VK_LCONTROL (A2) Left CONTROL key

            // VK_RCONTROL (A3) Right CONTROL key

            // VK_LMENU (A4) Left MENU key

            // VK_RMENU (A5) Right MENU key

            // VK_BROWSER_BACK (A6) Windows 2000/XP: Browser Back key

            // VK_BROWSER_FORWARD (A7) Windows 2000/XP: Browser Forward key

            // VK_BROWSER_REFRESH (A8) Windows 2000/XP: Browser Refresh key

            // VK_BROWSER_STOP (A9) Windows 2000/XP: Browser Stop key

            // VK_BROWSER_SEARCH (AA) Windows 2000/XP: Browser Search key

            // VK_BROWSER_FAVORITES (AB) Windows 2000/XP: Browser Favorites key

            // VK_BROWSER_HOME (AC) Windows 2000/XP: Browser Start and Home key

            // VK_VOLUME_MUTE (AD) Windows 2000/XP: Volume Mute key

            // VK_VOLUME_DOWN (AE) Windows 2000/XP: Volume Down key

            // VK_VOLUME_UP (AF) Windows 2000/XP: Volume Up key

            // VK_MEDIA_NEXT_TRACK (B0) Windows 2000/XP: Next Track key

            // VK_MEDIA_PREV_TRACK (B1) Windows 2000/XP: Previous Track key

            // VK_MEDIA_STOP (B2) Windows 2000/XP: Stop Media key

            // VK_MEDIA_PLAY_PAUSE (B3) Windows 2000/XP: Play/Pause Media key

            // VK_LAUNCH_MAIL (B4) Windows 2000/XP: Start Mail key

            // VK_LAUNCH_MEDIA_SELECT (B5) Windows 2000/XP: Select Media key

            // VK_LAUNCH_APP1 (B6) Windows 2000/XP: Start Application 1 key

            // VK_LAUNCH_APP2 (B7) Windows 2000/XP: Start Application 2 key

            // VK_OEM_1 (BA) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the ';:' key

        case GDK_semicolon:

        case GDK_colon:

            return VK_OEM_1; //case ';': case ':': return 0xBA;

            // VK_OEM_PLUS (BB) Windows 2000/XP: For any country/region, the '+' key

        case GDK_plus:

        case GDK_equal:

            return VK_OEM_PLUS; //case '=': case '+': return 0xBB;

            // VK_OEM_COMMA (BC) Windows 2000/XP: For any country/region, the ',' key

        case GDK_comma:

        case GDK_less:

            return VK_OEM_COMMA; //case ',': case '<': return 0xBC;

            // VK_OEM_MINUS (BD) Windows 2000/XP: For any country/region, the '-' key

        case GDK_minus:

        case GDK_underscore:

            return VK_OEM_MINUS; //case '-': case '_': return 0xBD;

            // VK_OEM_PERIOD (BE) Windows 2000/XP: For any country/region, the '.' key

        case GDK_period:

        case GDK_greater:

            return VK_OEM_PERIOD; //case '.': case '>': return 0xBE;

            // VK_OEM_2 (BF) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the '/?' key

        case GDK_slash:

        case GDK_question:

            return VK_OEM_2; //case '/': case '?': return 0xBF;

            // VK_OEM_3 (C0) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the '`~' key

        case GDK_asciitilde:

        case GDK_quoteleft:

            return VK_OEM_3; //case '`': case '~': return 0xC0;

            // VK_OEM_4 (DB) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the '[{' key

        case GDK_bracketleft:

        case GDK_braceleft:

            return VK_OEM_4; //case '[': case '{': return 0xDB;

            // VK_OEM_5 (DC) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the '\|' key

        case GDK_backslash:

        case GDK_bar:

            return VK_OEM_5; //case '\\': case '|': return 0xDC;

            // VK_OEM_6 (DD) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the ']}' key

        case GDK_bracketright:

        case GDK_braceright:

            return VK_OEM_6; // case ']': case '}': return 0xDD;

            // VK_OEM_7 (DE) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the 'single-quote/double-quote' key

        case GDK_quoteright:

        case GDK_quotedbl:

            return VK_OEM_7; // case '\'': case '"': return 0xDE;

            // VK_OEM_8 (DF) Used for miscellaneous characters; it can vary by keyboard.

            // VK_OEM_102 (E2) Windows 2000/XP: Either the angle bracket key or the backslash key on the RT 102-key keyboard

            // VK_PROCESSKEY (E5) Windows 95/98/Me, Windows NT 4.0, Windows 2000/XP: IME PROCESS key

            // VK_PACKET (E7) Windows 2000/XP: Used to pass Unicode characters as if they were keystrokes. The VK_PACKET key is the low word of a 32-bit Virtual Key value used for non-keyboard input methods. For more information, see Remark in KEYBDINPUT,SendInput, WM_KEYDOWN, and WM_KEYUP

            // VK_ATTN (F6) Attn key

            // VK_CRSEL (F7) CrSel key

            // VK_EXSEL (F8) ExSel key

            // VK_EREOF (F9) Erase EOF key

            // VK_PLAY (FA) Play key

            // VK_ZOOM (FB) Zoom key

            // VK_NONAME (FC) Reserved for future use

            // VK_PA1 (FD) PA1 key

            // VK_OEM_CLEAR (FE) Clear key

        default:

            return 0;

    }

}

static inline String singleCharacterString(guint val)

{

    val = gdk_keyval_to_unicode(val);

    return String((UChar*)&val, 1);

}

PlatformKeyboardEvent::PlatformKeyboardEvent(GdkEventKey* event)

    : m_text(singleCharacterString(event->keyval))

    , m_unmodifiedText(singleCharacterString(event->keyval))

    , m_keyIdentifier(keyIdentifierForGdkKeyCode(event->keyval))

    , m_isKeyUp(event->type == GDK_KEY_RELEASE)

    , m_autoRepeat(false)

    , m_WindowsKeyCode(windowsKeyCodeForKeyEvent(event->keyval))

    , m_isKeypad(false)

    , m_shiftKey(event->state & GDK_SHIFT_MASK != 0)

    , m_ctrlKey(event->state & GDK_CONTROL_MASK != 0)

    , m_altKey(event->state & GDK_MOD1_MASK != 0)

    , m_metaKey(event->state & GDK_MOD2_MASK != 0)

{

}

}