keyeventgtk.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
 * Copyright (C) 2006 Michael Emmel [e-mail]
 * Copyright (C) 2007 Holger Hans Peter Freyther
 * Copyright (C) 2008 Collabora, Ltd.  All rights reserved.
 * 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 "KeyboardCodes.h"
#include "NotImplemented.h"
#include "TextEncoding.h"

#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>

// GTK_CHECK_VERSION is defined in gtk/gtkversion.h
#include <gtk/gtk.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:
        case GDK_Return:
            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_ISO_Left_Tab:
        case GDK_3270_BackTab:
        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_ISO_Left_Tab:
        case GDK_3270_BackTab:
        case GDK_Tab:
            return VK_TAB; // (09) TAB key
        case GDK_Clear:
            return VK_CLEAR; // (0C) CLEAR key
        case GDK_ISO_Enter:
        case GDK_KP_Enter:
        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 '('