key translation fixes, patch by Masayuki. b=432388 r=josh r=karl sr=roc a=schrep

This commit is contained in:
joshmoz@gmail.com 2008-05-07 14:54:21 -07:00
Родитель c4ff3c86e2
Коммит 8146611500
2 изменённых файлов: 212 добавлений и 55 удалений

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@ -3980,6 +3980,136 @@ static PRBool IsNormalCharInputtingEvent(const nsKeyEvent& aEvent)
}
#define CHARCODE_MASK_1 0x00FF0000
#define CHARCODE_MASK_2 0x000000FF
#define CHARCODE_MASK 0x00FF00FF
//#define DEBUG_KB 1
static PRUint32
KeyTranslateToUnicode(Handle aHandle, UInt32 aKeyCode, UInt32 aModifiers,
TextEncoding aEncoding)
{
#ifdef DEBUG_KB
NSLog(@"**** KeyTranslateToUnicode: aHandle: %p, aKeyCode: %X, aModifiers: %X, aEncoding: %X",
aHandle, aKeyCode, aModifiers, aEncoding);
PRBool isShift = aModifiers & shiftKey;
PRBool isCtrl = aModifiers & controlKey;
PRBool isOpt = aModifiers & optionKey;
PRBool isCmd = aModifiers & cmdKey;
PRBool isCL = aModifiers & alphaLock;
PRBool isNL = aModifiers & kEventKeyModifierNumLockMask;
NSLog(@" Shift: %s, Ctrl: %s, Opt: %s, Cmd: %s, CapsLock: %s, NumLock: %s",
isShift ? "ON" : "off", isCtrl ? "ON" : "off", isOpt ? "ON" : "off",
isCmd ? "ON" : "off", isCL ? "ON" : "off", isNL ? "ON" : "off");
#endif
UInt32 state = 0;
UInt32 val =
::KeyTranslate(aHandle, aKeyCode | aModifiers, &state) & CHARCODE_MASK;
// If state is not zero, it is in dead key state. Then, we need to recall
// KeyTranslate for getting the actual character.
if (state) {
val =
::KeyTranslate(aHandle, aKeyCode | aModifiers, &state) & CHARCODE_MASK;
}
PRUint32 ch = 0;
UInt8 buf[2];
CFIndex len = 0;
if (val & CHARCODE_MASK_1)
buf[len++] = (val & CHARCODE_MASK_1) >> 16;
buf[len++] = val & CHARCODE_MASK_2;
CFStringRef str =
::CFStringCreateWithBytes(kCFAllocatorDefault, buf, len,
(CFStringEncoding)aEncoding, false);
ch = ::CFStringGetLength(str) == 1 ?
::CFStringGetCharacterAtIndex(str, 0) : 0;
::CFRelease(str);
#ifdef DEBUG_KB
NSLog(@" result: %X(%C)", ch, ch > ' ' ? ch : ' ');
#endif
return ch;
}
static PRUint32
UCKeyTranslateToUnicode(UCKeyboardLayout* aHandle, UInt32 aKeyCode, UInt32 aModifiers,
UInt32 aKbType)
{
#ifdef DEBUG_KB
NSLog(@"**** UCKeyTranslateToUnicode: aHandle: %p, aKeyCode: %X, aModifiers: %X, aKbType: %X",
aHandle, aKeyCode, aModifiers, aKbType);
PRBool isShift = aModifiers & shiftKey;
PRBool isCtrl = aModifiers & controlKey;
PRBool isOpt = aModifiers & optionKey;
PRBool isCmd = aModifiers & cmdKey;
PRBool isCL = aModifiers & alphaLock;
PRBool isNL = aModifiers & kEventKeyModifierNumLockMask;
NSLog(@" Shift: %s, Ctrl: %s, Opt: %s, Cmd: %s, CapsLock: %s, NumLock: %s",
isShift ? "ON" : "off", isCtrl ? "ON" : "off", isOpt ? "ON" : "off",
isCmd ? "ON" : "off", isCL ? "ON" : "off", isNL ? "ON" : "off");
#endif
UInt32 deadKeyState = 0;
UniCharCount len;
UniChar chars[5];
OSStatus err = ::UCKeyTranslate(aHandle, aKeyCode,
kUCKeyActionDown, aModifiers >> 8,
aKbType, kUCKeyTranslateNoDeadKeysMask,
&deadKeyState, 5, &len, chars);
PRUint32 ch = (err == noErr && len == 1) ? PRUint32(chars[0]) : 0;
#ifdef DEBUG_KB
NSLog(@" result: %X(%C)", ch, ch > ' ' ? ch : ' ');
#endif
return ch;
}
struct KeyTranslateData {
KeyTranslateData() {
mUchr.mLayout = nsnull;
mUchr.mKbType = 0;
mKchr.mHandle = nsnull;
mKchr.mEncoding = nsnull;
}
SInt16 mScript;
SInt32 mLayoutID;
struct {
UCKeyboardLayout* mLayout;
UInt32 mKbType;
} mUchr;
struct {
Handle mHandle;
TextEncoding mEncoding;
} mKchr;
};
static PRUint32
GetUniCharFromKeyTranslate(KeyTranslateData& aData,
UInt32 aKeyCode, UInt32 aModifiers)
{
if (aData.mUchr.mLayout) {
return UCKeyTranslateToUnicode(aData.mUchr.mLayout, aKeyCode, aModifiers,
aData.mUchr.mKbType);
}
if (aData.mKchr.mHandle) {
return KeyTranslateToUnicode(aData.mKchr.mHandle, aKeyCode, aModifiers,
aData.mKchr.mEncoding);
}
return 0;
}
static SInt32
GetScriptFromKeyboardLayout(SInt32 aLayoutID)
{
switch (aLayoutID) {
case 3: // German
case -2: return smRoman; // US-Extended
case -18944: return smGreek; // Greek
default: NS_NOTREACHED("unknown keyboard layout");
}
return smRoman;
}
- (void) convertCocoaKeyEvent:(NSEvent*)aKeyEvent toGeckoEvent:(nsKeyEvent*)outGeckoEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
@ -4016,67 +4146,75 @@ static PRBool IsNormalCharInputtingEvent(const nsKeyEvent& aEvent)
// unshiftCharCode for accessKeys and accelKeys.
if (outGeckoEvent->isControl || outGeckoEvent->isMeta ||
outGeckoEvent->isAlt) {
SInt16 keyLayoutID = gOverrideKeyboardLayout ? gOverrideKeyboardLayout
: ::GetScriptVariable(::GetScriptManagerVariable(smKeyScript),
smScriptKeys);
Handle handle = ::GetResource('uchr', keyLayoutID);
PRUint32 unshiftedChar = 0;
PRUint32 shiftedChar = 0;
PRUint32 shiftedCmdChar = 0;
if (handle) {
UInt32 kbType = ::LMGetKbdType();
UInt32 deadKeyState = 0;
UniCharCount len;
UniChar chars[1];
OSStatus err;
err = ::UCKeyTranslate((UCKeyboardLayout*)*handle,
[aKeyEvent keyCode],
kUCKeyActionDown, 0,
kbType, 0, &deadKeyState, 1, &len, chars);
if (noErr == err && len > 0)
unshiftedChar = chars[0];
deadKeyState = 0;
err = ::UCKeyTranslate((UCKeyboardLayout*)*handle, [aKeyEvent keyCode],
kUCKeyActionDown, shiftKey >> 8,
kbType, 0, &deadKeyState, 1, &len, chars);
if (noErr == err && len > 0)
shiftedChar = chars[0];
deadKeyState = 0;
err = ::UCKeyTranslate((UCKeyboardLayout*)*handle, [aKeyEvent keyCode],
kUCKeyActionDown, (cmdKey | shiftKey) >> 8,
kbType, 0, &deadKeyState, 1, &len, chars);
if (noErr == err && len > 0)
shiftedCmdChar = chars[0];
KeyTranslateData kt;
if (gOverrideKeyboardLayout) {
kt.mLayoutID = gOverrideKeyboardLayout;
kt.mScript = GetScriptFromKeyboardLayout(kt.mLayoutID);
} else {
if (gOverrideKeyboardLayout) {
handle = ::GetResource('kchr', gOverrideKeyboardLayout);
} else {
handle = (char**)::GetScriptManagerVariable(smKCHRCache);
}
if (handle) {
UInt32 state = 0;
UInt32 keyCode = [aKeyEvent keyCode];
unshiftedChar = ::KeyTranslate(handle, keyCode, &state) & charCodeMask;
keyCode = [aKeyEvent keyCode] | shiftKey;
shiftedChar = ::KeyTranslate(handle, keyCode, &state) & charCodeMask;
keyCode = [aKeyEvent keyCode] | shiftKey | cmdKey;
shiftedCmdChar = ::KeyTranslate(handle, keyCode, &state) & charCodeMask;
kt.mScript = ::GetScriptManagerVariable(smKeyScript);
kt.mLayoutID = ::GetScriptVariable(kt.mScript, smScriptKeys);
}
Handle handle = ::GetResource('uchr', kt.mLayoutID);
if (handle) {
kt.mUchr.mLayout = *((UCKeyboardLayout**)handle);
kt.mUchr.mKbType = ::LMGetKbdType();
} else {
kt.mKchr.mHandle = ::GetResource('kchr', kt.mLayoutID);
if (!kt.mKchr.mHandle && !gOverrideKeyboardLayout)
kt.mKchr.mHandle = (char**)::GetScriptManagerVariable(smKCHRCache);
if (kt.mKchr.mHandle) {
OSStatus err =
::GetTextEncodingFromScriptInfo(kt.mScript, kTextLanguageDontCare,
kTextRegionDontCare,
&kt.mKchr.mEncoding);
if (err != noErr)
kt.mKchr.mHandle = nsnull;
}
}
// If the current keyboad layout is switchable by Cmd key
// (e.g., Dvorak-QWERTY layout), we should not append the alternative
// char codes to unshiftedCharCodes and shiftedCharCodes.
// Because then, the alternative char codes might execute wrong item.
// Therefore, we should check whether the unshiftedChar and shiftedCmdChar
// are same. Because Cmd+Shift+'foo' returns unshifted 'foo'. So, they
// should be same for this case.
// Note that we cannot support the combination of Cmd and Shift needed
// char. (E.g., Cmd++ in US keyboard layout.)
PRUint32 unshiftedChar = 0;
PRUint32 shiftedChar = 0;
PRUint32 unshiftedCmdChar = 0;
PRUint32 shiftedCmdChar = 0;
UInt32 key = [aKeyEvent keyCode];
UInt32 mod;
// normal chars
mod = 0;
unshiftedChar = GetUniCharFromKeyTranslate(kt, key, mod);
mod |= shiftKey;
shiftedChar = GetUniCharFromKeyTranslate(kt, key, mod);
// with cmd chars
mod = cmdKey;
unshiftedCmdChar = GetUniCharFromKeyTranslate(kt, key, mod);
mod |= shiftKey;
shiftedCmdChar = GetUniCharFromKeyTranslate(kt, key, mod);
// Is the keyboard layout changed by Cmd key?
// E.g., Arabic, Russian, Hebrew, Greek and Dvorak-QWERTY.
PRBool isCmdSwitchLayout = unshiftedChar != unshiftedCmdChar;
// Is the keyboard layout for Latin, but Cmd key switches the layout?
// I.e., Dvorak-QWERTY
PRBool isDvorakQWERTY = isCmdSwitchLayout &&
unshiftedChar && unshiftedChar < 0x7F;
// If the current keyboard is not Dvorak-QWERTY or Cmd is not pressed,
// we should append unshiftedChar and shiftedChar for handling the
// normal characters.
if ((unshiftedChar || shiftedChar) &&
(!outGeckoEvent->isMeta || unshiftedChar == shiftedCmdChar)) {
(!outGeckoEvent->isMeta || !isDvorakQWERTY)) {
nsAlternativeCharCode altCharCodes(unshiftedChar, shiftedChar);
outGeckoEvent->alternativeCharCodes.AppendElement(altCharCodes);
}
// If the current keyboard layout is switched by the Cmd key,
// we should append unshiftedCmdChar and shiftedCmdChar that are
// Latin char for the key. But don't append at Dvorak-QWERTY.
if ((unshiftedCmdChar || shiftedCmdChar) &&
isCmdSwitchLayout && !isDvorakQWERTY) {
nsAlternativeCharCode altCharCodes(unshiftedCmdChar, shiftedCmdChar);
outGeckoEvent->alternativeCharCodes.AppendElement(altCharCodes);
}
}
}
else {

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@ -68,9 +68,12 @@ var keyboardLayouts;
if (navigator.platform.indexOf("Mac") == 0) {
// These constants can be found by inspecting files under
// /System/Library/Keyboard\ Layouts/Unicode.bundle/Contents/Resources/
// XXX if you need a new keyboard layout and that uses KCHR resource,
// you need to modify GetScriptFromKeyboardLayout of nsChildView.mm
keyboardLayouts = {
"US-Extended":-2,
"Greek":-18944
"Greek":-18944,
"German":3
};
} else if (navigator.platform.indexOf("Win") == 0) {
// These constants can be found by inspecting registry keys under
@ -197,6 +200,12 @@ function runPressTests()
"\u00a8");
testKey({layout:"Greek", keyCode:0, command:1, alt:1, shift:1, chars:"\u00b9", unmodifiedChars:"\u0391"},
"\u00b9");
// German (KCHR/KeyTranslate case)
testKey({layout:"German", keyCode:0, chars:"a", unmodifiedChars:"a"},
"a");
testKey({layout:"German", keyCode:33, chars:"\u00fc", unmodifiedChars:"\u00fc"},
"\u00fc");
}
if (navigator.platform.indexOf("Win") == 0) {
@ -304,6 +313,16 @@ function runAccessKeyTests()
"\u03b1", true);
testKey({layout:"Greek", keyCode:0, ctrl:1, chars:"\u0001", unmodifiedChars:"\u03b1"},
"\u0391", true);
// German (KCHR/KeyTranslate case)
testKey({layout:"German", keyCode:0, ctrl:1, chars:"a", unmodifiedChars:"a"},
"a", true);
testKey({layout:"German", keyCode:0, ctrl:1, chars:"a", unmodifiedChars:"a"},
"A", true);
testKey({layout:"German", keyCode:33, ctrl:1, chars:"\u00fc", unmodifiedChars:"\u00fc"},
"\u00fc", true);
testKey({layout:"German", keyCode:33, ctrl:1, chars:"\u00fc", unmodifiedChars:"\u00fc"},
"\u00dc", true);
}
if (navigator.platform.indexOf("Win") == 0) {