gecko-dev/widget/gtk2/nsGtkKeyUtils.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
*/
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Christopher Blizzard <blizzard@mozilla.org>.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
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* decision by deleting the provisions above and replace them with the notice
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* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <gdk/gdkkeysyms.h>
#ifndef GDK_Sleep
#define GDK_Sleep 0x1008ff2f
#endif
#include <gdk/gdk.h>
#ifdef MOZ_X11
#include <gdk/gdkx.h>
#endif /* MOZ_X11 */
#include "nsGUIEvent.h"
#include "keysym2ucs.h"
#include "mozilla/Util.h"
using namespace mozilla;
#define MAX_UNICODE 0x10FFFF
struct nsKeyConverter {
int vkCode; // Platform independent key code
int keysym; // GDK keysym key code
};
//
// Netscape keycodes are defined in widget/public/nsGUIEvent.h
// GTK keycodes are defined in <gdk/gdkkeysyms.h>
//
struct nsKeyConverter nsKeycodes[] = {
{ NS_VK_CANCEL, GDK_Cancel },
{ NS_VK_BACK, GDK_BackSpace },
{ NS_VK_TAB, GDK_Tab },
{ NS_VK_TAB, GDK_ISO_Left_Tab },
{ NS_VK_CLEAR, GDK_Clear },
{ NS_VK_RETURN, GDK_Return },
{ NS_VK_SHIFT, GDK_Shift_L },
{ NS_VK_SHIFT, GDK_Shift_R },
{ NS_VK_CONTROL, GDK_Control_L },
{ NS_VK_CONTROL, GDK_Control_R },
{ NS_VK_ALT, GDK_Alt_L },
{ NS_VK_ALT, GDK_Alt_R },
{ NS_VK_META, GDK_Meta_L },
{ NS_VK_META, GDK_Meta_R },
{ NS_VK_PAUSE, GDK_Pause },
{ NS_VK_CAPS_LOCK, GDK_Caps_Lock },
{ NS_VK_KANA, GDK_Kana_Lock },
{ NS_VK_KANA, GDK_Kana_Shift },
{ NS_VK_HANGUL, GDK_Hangul },
// { NS_VK_JUNJA, GDK_XXX },
// { NS_VK_FINAL, GDK_XXX },
{ NS_VK_HANJA, GDK_Hangul_Hanja },
{ NS_VK_KANJI, GDK_Kanji },
{ NS_VK_ESCAPE, GDK_Escape },
{ NS_VK_CONVERT, GDK_Henkan },
{ NS_VK_NONCONVERT, GDK_Muhenkan },
// { NS_VK_ACCEPT, GDK_XXX },
{ NS_VK_MODECHANGE, GDK_Mode_switch },
{ NS_VK_SPACE, GDK_space },
{ NS_VK_PAGE_UP, GDK_Page_Up },
{ NS_VK_PAGE_DOWN, GDK_Page_Down },
{ NS_VK_END, GDK_End },
{ NS_VK_HOME, GDK_Home },
{ NS_VK_LEFT, GDK_Left },
{ NS_VK_UP, GDK_Up },
{ NS_VK_RIGHT, GDK_Right },
{ NS_VK_DOWN, GDK_Down },
{ NS_VK_SELECT, GDK_Select },
{ NS_VK_PRINT, GDK_Print },
{ NS_VK_EXECUTE, GDK_Execute },
{ NS_VK_PRINTSCREEN, GDK_Print },
{ NS_VK_INSERT, GDK_Insert },
{ NS_VK_DELETE, GDK_Delete },
{ NS_VK_HELP, GDK_Help },
// keypad keys
{ NS_VK_LEFT, GDK_KP_Left },
{ NS_VK_RIGHT, GDK_KP_Right },
{ NS_VK_UP, GDK_KP_Up },
{ NS_VK_DOWN, GDK_KP_Down },
{ NS_VK_PAGE_UP, GDK_KP_Page_Up },
// Not sure what these are
//{ NS_VK_, GDK_KP_Prior },
//{ NS_VK_, GDK_KP_Next },
// GDK_KP_Begin is the 5 on the non-numlock keypad
//{ NS_VK_, GDK_KP_Begin },
{ NS_VK_PAGE_DOWN, GDK_KP_Page_Down },
{ NS_VK_HOME, GDK_KP_Home },
{ NS_VK_END, GDK_KP_End },
{ NS_VK_INSERT, GDK_KP_Insert },
{ NS_VK_DELETE, GDK_KP_Delete },
{ NS_VK_MULTIPLY, GDK_KP_Multiply },
{ NS_VK_ADD, GDK_KP_Add },
{ NS_VK_SEPARATOR, GDK_KP_Separator },
{ NS_VK_SUBTRACT, GDK_KP_Subtract },
{ NS_VK_DECIMAL, GDK_KP_Decimal },
{ NS_VK_DIVIDE, GDK_KP_Divide },
{ NS_VK_RETURN, GDK_KP_Enter },
{ NS_VK_NUM_LOCK, GDK_Num_Lock },
{ NS_VK_SCROLL_LOCK,GDK_Scroll_Lock },
{ NS_VK_COMMA, GDK_comma },
{ NS_VK_PERIOD, GDK_period },
{ NS_VK_SLASH, GDK_slash },
{ NS_VK_BACK_SLASH, GDK_backslash },
{ NS_VK_BACK_QUOTE, GDK_grave },
{ NS_VK_OPEN_BRACKET, GDK_bracketleft },
{ NS_VK_CLOSE_BRACKET, GDK_bracketright },
{ NS_VK_SEMICOLON, GDK_colon },
{ NS_VK_QUOTE, GDK_apostrophe },
// context menu key, keysym 0xff67, typically keycode 117 on 105-key (Microsoft)
// x86 keyboards, located between right 'Windows' key and right Ctrl key
{ NS_VK_CONTEXT_MENU, GDK_Menu },
{ NS_VK_SLEEP, GDK_Sleep },
// NS doesn't have dash or equals distinct from the numeric keypad ones,
// so we'll use those for now. See bug 17008:
{ NS_VK_SUBTRACT, GDK_minus },
{ NS_VK_EQUALS, GDK_equal },
// Some shifted keys, see bug 15463 as well as 17008.
// These should be subject to different keyboard mappings.
{ NS_VK_QUOTE, GDK_quotedbl },
{ NS_VK_OPEN_BRACKET, GDK_braceleft },
{ NS_VK_CLOSE_BRACKET, GDK_braceright },
{ NS_VK_BACK_SLASH, GDK_bar },
{ NS_VK_SEMICOLON, GDK_semicolon },
{ NS_VK_BACK_QUOTE, GDK_asciitilde },
{ NS_VK_COMMA, GDK_less },
{ NS_VK_PERIOD, GDK_greater },
{ NS_VK_SLASH, GDK_question },
{ NS_VK_1, GDK_exclam },
{ NS_VK_2, GDK_at },
{ NS_VK_3, GDK_numbersign },
{ NS_VK_4, GDK_dollar },
{ NS_VK_5, GDK_percent },
{ NS_VK_6, GDK_asciicircum },
{ NS_VK_7, GDK_ampersand },
{ NS_VK_8, GDK_asterisk },
{ NS_VK_9, GDK_parenleft },
{ NS_VK_0, GDK_parenright },
{ NS_VK_SUBTRACT, GDK_underscore },
{ NS_VK_EQUALS, GDK_plus }
};
// map Sun Keyboard special keysyms on to NS_VK keys
struct nsKeyConverter nsSunKeycodes[] = {
{NS_VK_F11, 0x1005ff10 }, //Sun F11 key generates SunF36(0x1005ff10) keysym
{NS_VK_F12, 0x1005ff11 } //Sun F12 key generates SunF37(0x1005ff11) keysym
};
int
GdkKeyCodeToDOMKeyCode(int aKeysym)
{
unsigned int i;
// First, try to handle alphanumeric input, not listed in nsKeycodes:
// most likely, more letters will be getting typed in than things in
// the key list, so we will look through these first.
// since X has different key symbols for upper and lowercase letters and
// mozilla does not, convert gdk's to mozilla's
if (aKeysym >= GDK_a && aKeysym <= GDK_z)
return aKeysym - GDK_a + NS_VK_A;
if (aKeysym >= GDK_A && aKeysym <= GDK_Z)
return aKeysym - GDK_A + NS_VK_A;
// numbers
if (aKeysym >= GDK_0 && aKeysym <= GDK_9)
return aKeysym - GDK_0 + NS_VK_0;
// keypad numbers
if (aKeysym >= GDK_KP_0 && aKeysym <= GDK_KP_9)
return aKeysym - GDK_KP_0 + NS_VK_NUMPAD0;
// map Sun Keyboard special keysyms
for (i = 0; i < ArrayLength(nsSunKeycodes); i++) {
if (nsSunKeycodes[i].keysym == aKeysym)
return(nsSunKeycodes[i].vkCode);
}
// misc other things
for (i = 0; i < ArrayLength(nsKeycodes); i++) {
if (nsKeycodes[i].keysym == aKeysym)
return(nsKeycodes[i].vkCode);
}
// function keys
if (aKeysym >= GDK_F1 && aKeysym <= GDK_F24)
return aKeysym - GDK_F1 + NS_VK_F1;
return((int)0);
}
int
DOMKeyCodeToGdkKeyCode(int aKeysym)
{
unsigned int i;
// First, try to handle alphanumeric input, not listed in nsKeycodes:
// most likely, more letters will be getting typed in than things in
// the key list, so we will look through these first.
if (aKeysym >= NS_VK_A && aKeysym <= NS_VK_Z)
// gdk and DOM both use the ASCII codes for these keys.
return aKeysym;
// numbers
if (aKeysym >= NS_VK_0 && aKeysym <= NS_VK_9)
// gdk and DOM both use the ASCII codes for these keys.
return aKeysym - GDK_0 + NS_VK_0;
// keypad numbers
if (aKeysym >= NS_VK_NUMPAD0 && aKeysym <= NS_VK_NUMPAD9)
return aKeysym - NS_VK_NUMPAD0 + GDK_KP_0;
// misc other things
for (i = 0; i < ArrayLength(nsKeycodes); ++i) {
if (nsKeycodes[i].vkCode == aKeysym) {
return nsKeycodes[i].keysym;
}
}
// function keys
if (aKeysym >= NS_VK_F1 && aKeysym <= NS_VK_F9)
return aKeysym - NS_VK_F1 + GDK_F1;
return 0;
}
// Convert gdk key event keyvals to char codes if printable, 0 otherwise
PRUint32 nsConvertCharCodeToUnicode(GdkEventKey* aEvent)
{
// Anything above 0xf000 is considered a non-printable
// Exception: directly encoded UCS characters
if (aEvent->keyval > 0xf000 && (aEvent->keyval & 0xff000000) != 0x01000000) {
// Keypad keys are an exception: they return a value different
// from their non-keypad equivalents, but mozilla doesn't distinguish.
switch (aEvent->keyval)
{
case GDK_KP_Space:
return ' ';
case GDK_KP_Equal:
return '=';
case GDK_KP_Multiply:
return '*';
case GDK_KP_Add:
return '+';
case GDK_KP_Separator:
return ',';
case GDK_KP_Subtract:
return '-';
case GDK_KP_Decimal:
return '.';
case GDK_KP_Divide:
return '/';
case GDK_KP_0:
return '0';
case GDK_KP_1:
return '1';
case GDK_KP_2:
return '2';
case GDK_KP_3:
return '3';
case GDK_KP_4:
return '4';
case GDK_KP_5:
return '5';
case GDK_KP_6:
return '6';
case GDK_KP_7:
return '7';
case GDK_KP_8:
return '8';
case GDK_KP_9:
return '9';
}
// non-printables
return 0;
}
// we're supposedly printable, let's try to convert
long ucs = keysym2ucs(aEvent->keyval);
if ((ucs != -1) && (ucs < MAX_UNICODE))
return ucs;
// I guess we couldn't convert
return 0;
}