1 /*
   2  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #import <JavaNativeFoundation/JavaNativeFoundation.h>
  27 #import <JavaRuntimeSupport/JavaRuntimeSupport.h>
  28 #import <sys/time.h>
  29 #include <Carbon/Carbon.h>
  30 
  31 #import "LWCToolkit.h"
  32 #import "ThreadUtilities.h"
  33 
  34 #import "java_awt_event_InputEvent.h"
  35 #import "java_awt_event_KeyEvent.h"
  36 #import "java_awt_event_MouseEvent.h"
  37 
  38 /*
  39  * Table to map typed characters to their Java virtual key equivalent and back.
  40  * We use the incoming unichar (ignoring all modifiers) and try to figure out
  41  * which virtual key code is appropriate. A lot of them just have direct
  42  * mappings (the function keys, arrow keys, etc.) so they aren't a problem.
  43  * We had to do something a little funky to catch the keys on the numeric
  44  * key pad (i.e. using event mask to distinguish between period on regular
  45  * keyboard and decimal on keypad). We also have to do something incredibly
  46  * hokey with regards to the shifted punctuation characters. For examples,
  47  * consider '&' which is usually Shift-7.  For the Java key typed events,
  48  * that's no problem, we just say pass the unichar. But for the
  49  * KeyPressed/Released events, we need to identify the virtual key code
  50  * (which roughly correspond to hardware keys) which means we are supposed
  51  * to say the virtual 7 key was pressed.  But how are we supposed to know
  52  * when we get a punctuation char what was the real hardware key was that
  53  * was pressed?  Although '&' often comes from Shift-7 the keyboard can be
  54  * remapped!  I don't think there really is a good answer, and hopefully
  55  * all good applets are only interested in logical key typed events not
  56  * press/release.  Meanwhile, we are hard-coding the shifted punctuation
  57  * to trigger the virtual keys that are the expected ones under a standard
  58  * keymapping. Looking at Windows & Mac, they don't actually do this, the
  59  * Mac seems to just put the ascii code in for the shifted punctuation
  60  * (which means they actually end up with bogus key codes on the Java side),
  61  * Windows I can't even figure out what it's doing.
  62  */
  63 #define KL_STANDARD java_awt_event_KeyEvent_KEY_LOCATION_STANDARD
  64 #define KL_NUMPAD   java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD
  65 #define KL_UNKNOWN  java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN
  66 static struct _key
  67 {
  68     unsigned short keyCode;
  69     BOOL postsTyped;
  70     jint javaKeyLocation;
  71     jint javaKeyCode;
  72 }
  73 const keyTable[] =
  74 {
  75     {0x00, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_A},
  76     {0x01, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_S},
  77     {0x02, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_D},
  78     {0x03, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_F},
  79     {0x04, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_H},
  80     {0x05, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_G},
  81     {0x06, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_Z},
  82     {0x07, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_X},
  83     {0x08, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_C},
  84     {0x09, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_V},
  85     {0x0A, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_BACK_QUOTE},
  86     {0x0B, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_B},
  87     {0x0C, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_Q},
  88     {0x0D, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_W},
  89     {0x0E, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_E},
  90     {0x0F, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_R},
  91     {0x10, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_Y},
  92     {0x11, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_T},
  93     {0x12, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_1},
  94     {0x13, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_2},
  95     {0x14, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_3},
  96     {0x15, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_4},
  97     {0x16, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_6},
  98     {0x17, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_5},
  99     {0x18, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_EQUALS},
 100     {0x19, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_9},
 101     {0x1A, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_7},
 102     {0x1B, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_MINUS},
 103     {0x1C, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_8},
 104     {0x1D, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_0},
 105     {0x1E, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_CLOSE_BRACKET},
 106     {0x1F, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_O},
 107     {0x20, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_U},
 108     {0x21, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_OPEN_BRACKET},
 109     {0x22, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_I},
 110     {0x23, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_P},
 111     {0x24, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_ENTER},
 112     {0x25, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_L},
 113     {0x26, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_J},
 114     {0x27, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_QUOTE},
 115     {0x28, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_K},
 116     {0x29, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_SEMICOLON},
 117     {0x2A, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_BACK_SLASH},
 118     {0x2B, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_COMMA},
 119     {0x2C, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_SLASH},
 120     {0x2D, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_N},
 121     {0x2E, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_M},
 122     {0x2F, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_PERIOD},
 123     {0x30, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_TAB},
 124     {0x31, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_SPACE},
 125     {0x32, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_BACK_QUOTE},
 126     {0x33, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_BACK_SPACE},
 127     {0x34, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_ENTER},
 128     {0x35, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_ESCAPE},
 129     {0x36, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 130     {0x37, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_META},      // ****
 131     {0x38, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_SHIFT},     // ****
 132     {0x39, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_CAPS_LOCK},
 133     {0x3A, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_ALT},       // ****
 134     {0x3B, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_CONTROL},   // ****
 135     {0x3C, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 136     {0x3D, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 137     {0x3E, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 138     {0x3F, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED}, // the 'fn' key on PowerBooks
 139     {0x40, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 140     {0x41, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_DECIMAL},
 141     {0x42, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 142     {0x43, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_MULTIPLY},
 143     {0x44, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 144     {0x45, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_ADD},
 145     {0x46, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 146     {0x47, NO,  KL_NUMPAD,   java_awt_event_KeyEvent_VK_CLEAR},
 147     {0x48, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 148     {0x49, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 149     {0x4A, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 150     {0x4B, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_DIVIDE},
 151     {0x4C, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_ENTER},
 152     {0x4D, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 153     {0x4E, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_SUBTRACT},
 154     {0x4F, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 155     {0x50, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 156     {0x51, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_EQUALS},
 157     {0x52, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_NUMPAD0},
 158     {0x53, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_NUMPAD1},
 159     {0x54, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_NUMPAD2},
 160     {0x55, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_NUMPAD3},
 161     {0x56, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_NUMPAD4},
 162     {0x57, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_NUMPAD5},
 163     {0x58, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_NUMPAD6},
 164     {0x59, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_NUMPAD7},
 165     {0x5A, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 166     {0x5B, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_NUMPAD8},
 167     {0x5C, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_NUMPAD9},
 168     {0x5D, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_BACK_SLASH}, // This is a combo yen/backslash on JIS keyboards.
 169     {0x5E, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_UNDERSCORE},
 170     {0x5F, YES, KL_NUMPAD,   java_awt_event_KeyEvent_VK_COMMA},
 171     {0x60, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F5},
 172     {0x61, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F6},
 173     {0x62, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F7},
 174     {0x63, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F3},
 175     {0x64, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F8},
 176     {0x65, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F9},
 177     {0x66, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_ALPHANUMERIC},
 178     {0x67, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F11},
 179     {0x68, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_KATAKANA},
 180     {0x69, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F13},
 181     {0x6A, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F16},
 182     {0x6B, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F14},
 183     {0x6C, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 184     {0x6D, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F10},
 185     {0x6E, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 186     {0x6F, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F12},
 187     {0x70, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 188     {0x71, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F15},
 189     {0x72, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_HELP},
 190     {0x73, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_HOME},
 191     {0x74, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_PAGE_UP},
 192     {0x75, YES, KL_STANDARD, java_awt_event_KeyEvent_VK_DELETE},
 193     {0x76, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F4},
 194     {0x77, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_END},
 195     {0x78, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F2},
 196     {0x79, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_PAGE_DOWN},
 197     {0x7A, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_F1},
 198     {0x7B, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_LEFT},
 199     {0x7C, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_RIGHT},
 200     {0x7D, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_DOWN},
 201     {0x7E, NO,  KL_STANDARD, java_awt_event_KeyEvent_VK_UP},
 202     {0x7F, NO,  KL_UNKNOWN,  java_awt_event_KeyEvent_VK_UNDEFINED},
 203 };
 204 
 205 /*
 206  * This table was stolen from the Windows implementation for mapping
 207  * Unicode values to VK codes for dead keys.  On Windows, some layouts
 208  * return ASCII punctuation for dead accents, while some return spacing
 209  * accent chars, so both should be listed.  However, in all of the
 210  * keyboard layouts I tried only the Unicode values are used.
 211  */
 212 struct CharToVKEntry {
 213     UniChar c;
 214     jint javaKey;
 215 };
 216 static const struct CharToVKEntry charToDeadVKTable[] = {
 217     {0x0060, java_awt_event_KeyEvent_VK_DEAD_GRAVE},
 218     {0x00B4, java_awt_event_KeyEvent_VK_DEAD_ACUTE},
 219     {0x0384, java_awt_event_KeyEvent_VK_DEAD_ACUTE}, // Unicode "GREEK TONOS" -- Greek keyboard, semicolon key
 220     {0x005E, java_awt_event_KeyEvent_VK_DEAD_CIRCUMFLEX},
 221     {0x007E, java_awt_event_KeyEvent_VK_DEAD_TILDE},
 222     {0x02DC, java_awt_event_KeyEvent_VK_DEAD_TILDE}, // Unicode "SMALL TILDE"
 223     {0x00AF, java_awt_event_KeyEvent_VK_DEAD_MACRON},
 224     {0x02D8, java_awt_event_KeyEvent_VK_DEAD_BREVE},
 225     {0x02D9, java_awt_event_KeyEvent_VK_DEAD_ABOVEDOT},
 226     {0x00A8, java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
 227     {0x02DA, java_awt_event_KeyEvent_VK_DEAD_ABOVERING},
 228     {0x02DD, java_awt_event_KeyEvent_VK_DEAD_DOUBLEACUTE},
 229     {0x02C7, java_awt_event_KeyEvent_VK_DEAD_CARON},
 230     {0x00B8, java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
 231     {0x02DB, java_awt_event_KeyEvent_VK_DEAD_OGONEK},
 232     {0x037A, java_awt_event_KeyEvent_VK_DEAD_IOTA},
 233     {0x309B, java_awt_event_KeyEvent_VK_DEAD_VOICED_SOUND},
 234     {0x309C, java_awt_event_KeyEvent_VK_DEAD_SEMIVOICED_SOUND},
 235     {0,0}
 236 };
 237 
 238 // TODO: some constants below are part of CGS (private interfaces)...
 239 // for now we will look at the raw key code to determine left/right status
 240 // but not sure this is foolproof...
 241 static struct _nsKeyToJavaModifier
 242 {
 243     NSUInteger nsMask;
 244     //NSUInteger cgsLeftMask;
 245     //NSUInteger cgsRightMask;
 246     unsigned short leftKeyCode;
 247     unsigned short rightKeyCode;
 248     jint javaExtMask;
 249     jint javaMask;
 250     jint javaKey;
 251 }
 252 const nsKeyToJavaModifierTable[] =
 253 {
 254     {
 255         NSAlphaShiftKeyMask,
 256         0,
 257         0,
 258         0, // no Java equivalent
 259         0, // no Java equivalent
 260         java_awt_event_KeyEvent_VK_CAPS_LOCK
 261     },
 262     {
 263         NSShiftKeyMask,
 264         //kCGSFlagsMaskAppleShiftKey,
 265         //kCGSFlagsMaskAppleRightShiftKey,
 266         56,
 267         60,
 268         java_awt_event_InputEvent_SHIFT_DOWN_MASK,
 269         java_awt_event_InputEvent_SHIFT_MASK,
 270         java_awt_event_KeyEvent_VK_SHIFT
 271     },
 272     {
 273         NSControlKeyMask,
 274         //kCGSFlagsMaskAppleControlKey,
 275         //kCGSFlagsMaskAppleRightControlKey,
 276         59,
 277         62,
 278         java_awt_event_InputEvent_CTRL_DOWN_MASK,
 279         java_awt_event_InputEvent_CTRL_MASK,
 280         java_awt_event_KeyEvent_VK_CONTROL
 281     },
 282     {
 283         NSAlternateKeyMask,
 284         //kCGSFlagsMaskAppleLeftAlternateKey,
 285         //kCGSFlagsMaskAppleRightAlternateKey,
 286         58,
 287         61,
 288         java_awt_event_InputEvent_ALT_DOWN_MASK,
 289         java_awt_event_InputEvent_ALT_MASK,
 290         java_awt_event_KeyEvent_VK_ALT
 291     },
 292     {
 293         NSCommandKeyMask,
 294         //kCGSFlagsMaskAppleLeftCommandKey,
 295         //kCGSFlagsMaskAppleRightCommandKey,
 296         55,
 297         54,
 298         java_awt_event_InputEvent_META_DOWN_MASK,
 299         java_awt_event_InputEvent_META_MASK,
 300         java_awt_event_KeyEvent_VK_META
 301     },
 302     // NSNumericPadKeyMask
 303     {
 304         NSHelpKeyMask,
 305         0,
 306         0,
 307         0, // no Java equivalent
 308         0, // no Java equivalent
 309         java_awt_event_KeyEvent_VK_HELP
 310     },
 311     // NSFunctionKeyMask
 312     {0, 0, 0, 0, 0, 0}
 313 };
 314 
 315 /*
 316  * Almost all unicode characters just go from NS to Java with no translation.
 317  *  For the few exceptions, we handle it here with this small table.
 318  */
 319 #define ALL_NS_KEY_MODIFIERS_MASK \
 320     (NSShiftKeyMask | NSControlKeyMask | NSAlternateKeyMask | NSCommandKeyMask)
 321 
 322 static struct _char {
 323     NSUInteger modifier;
 324     unichar nsChar;
 325     unichar javaChar;
 326 }
 327 const charTable[] = {
 328     // map enter on keypad to same as return key
 329     {0,                         NSEnterCharacter,          NSNewlineCharacter},
 330 
 331     // [3134616] return newline instead of carriage return
 332     {0,                         NSCarriageReturnCharacter, NSNewlineCharacter},
 333 
 334     // "delete" means backspace in Java
 335     {ALL_NS_KEY_MODIFIERS_MASK, NSDeleteCharacter,         NSBackspaceCharacter},
 336     {ALL_NS_KEY_MODIFIERS_MASK, NSDeleteFunctionKey,       NSDeleteCharacter},
 337 
 338     // back-tab is only differentiated from tab by Shift flag
 339     {NSShiftKeyMask,            NSBackTabCharacter,        NSTabCharacter},
 340 
 341     {0, 0, 0}
 342 };
 343 
 344 static unichar
 345 NsCharToJavaChar(unichar nsChar, NSUInteger modifiers)
 346 {
 347     const struct _char *cur;
 348     // Mask off just the keyboard modifiers from the event modifier mask.
 349     NSUInteger testableFlags = (modifiers & ALL_NS_KEY_MODIFIERS_MASK);
 350 
 351     // walk through table & find the match
 352     for (cur = charTable; cur->nsChar != 0 ; cur++) {
 353         // <rdar://Problem/3476426> Need to determine if we are looking at
 354         // a plain keypress or a modified keypress.  Don't adjust the
 355         // character of a keypress with a modifier.
 356         if (cur->nsChar == nsChar) {
 357             if (cur->modifier == 0 && testableFlags == 0) {
 358                 // If the modifier field is 0, that means to transform
 359                 // this character if no additional keyboard modifiers are set.
 360                 // This lets ctrl-C be reported as ctrl-C and not transformed
 361                 // into Newline.
 362                 return cur->javaChar;
 363             } else if (cur->modifier != 0 &&
 364                        (testableFlags & cur->modifier) == testableFlags)
 365             {
 366                 // Likewise, if the modifier field is nonzero, that means
 367                 // transform this character if only these modifiers are
 368                 // set in the testable flags.
 369                 return cur->javaChar;
 370             }
 371         }
 372     }
 373 
 374     if (nsChar >= NSUpArrowFunctionKey && nsChar <= NSModeSwitchFunctionKey) {
 375         return java_awt_event_KeyEvent_CHAR_UNDEFINED;
 376     }
 377 
 378     // otherwise return character unchanged
 379     return nsChar;
 380 }
 381 
 382 static unichar NsGetDeadKeyChar(unsigned short keyCode)
 383 {
 384     TISInputSourceRef currentKeyboard = TISCopyCurrentKeyboardInputSource();
 385     CFDataRef uchr = (CFDataRef)TISGetInputSourceProperty(currentKeyboard, kTISPropertyUnicodeKeyLayoutData);
 386     const UCKeyboardLayout *keyboardLayout = (const UCKeyboardLayout*)CFDataGetBytePtr(uchr);
 387     // Carbon modifiers should be used instead of NSEvent modifiers
 388     UInt32 modifierKeyState = (GetCurrentEventKeyModifiers() >> 8) & 0xFF;
 389 
 390     if (keyboardLayout) {
 391         UInt32 deadKeyState = 0;
 392         UniCharCount maxStringLength = 255;
 393         UniCharCount actualStringLength = 0;
 394         UniChar unicodeString[maxStringLength];
 395 
 396         // get the deadKeyState
 397         OSStatus status = UCKeyTranslate(keyboardLayout,
 398                                          keyCode, kUCKeyActionDown, modifierKeyState,
 399                                          LMGetKbdType(), kUCKeyTranslateNoDeadKeysBit,
 400                                          &deadKeyState,
 401                                          maxStringLength,
 402                                          &actualStringLength, unicodeString);
 403 
 404         if (status == noErr && deadKeyState != 0) {
 405             // Press SPACE to get the dead key char
 406             status = UCKeyTranslate(keyboardLayout,
 407                                     kVK_Space, kUCKeyActionDown, 0,
 408                                     LMGetKbdType(), 0,
 409                                     &deadKeyState,
 410                                     maxStringLength,
 411                                     &actualStringLength, unicodeString);
 412 
 413             if (status == noErr && actualStringLength > 0) {
 414                 return unicodeString[0];
 415             }
 416         }
 417     }
 418     return 0;
 419 }
 420 
 421 /*
 422  * This is the function that uses the table above to take incoming
 423  * NSEvent keyCodes and translate to the Java virtual key code.
 424  */
 425 static void
 426 NsCharToJavaVirtualKeyCode(unichar ch, BOOL isDeadChar,
 427                            NSUInteger flags, unsigned short key,
 428                            jint *keyCode, jint *keyLocation, BOOL *postsTyped, unichar *deadChar)
 429 {
 430     static size_t size = sizeof(keyTable) / sizeof(struct _key);
 431     NSInteger offset;
 432 
 433     if (isDeadChar) {
 434         unichar testDeadChar = NsGetDeadKeyChar(key);
 435         const struct CharToVKEntry *map;
 436         for (map = charToDeadVKTable; map->c != 0; ++map) {
 437             if (testDeadChar == map->c) {
 438                 *keyCode = map->javaKey;
 439                 *postsTyped = NO;
 440                 // TODO: use UNKNOWN here?
 441                 *keyLocation = java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN;
 442                 *deadChar = testDeadChar;
 443                 return;
 444             }
 445         }
 446         // If we got here, we keep looking for a normal key.
 447     }
 448 
 449     if ([[NSCharacterSet letterCharacterSet] characterIsMember:ch]) {
 450         // key is an alphabetic character
 451         unichar lower;
 452         lower = tolower(ch);
 453         offset = lower - 'a';
 454         if (offset >= 0 && offset <= 25) {
 455             // some chars in letter set are NOT actually A-Z characters?!
 456             // skip them...
 457             *postsTyped = YES;
 458             // do quick conversion
 459             *keyCode = java_awt_event_KeyEvent_VK_A + offset;
 460             *keyLocation = java_awt_event_KeyEvent_KEY_LOCATION_STANDARD;
 461             return;
 462         }
 463     }
 464 
 465     if ([[NSCharacterSet decimalDigitCharacterSet] characterIsMember:ch]) {
 466         // key is a digit
 467         offset = ch - '0';
 468         // make sure in range for decimal digits
 469         if (offset >= 0 && offset <= 9)    {
 470             jboolean numpad = (flags & NSNumericPadKeyMask) != 0;
 471             *postsTyped = YES;
 472             if (numpad) {
 473                 *keyCode = offset + java_awt_event_KeyEvent_VK_NUMPAD0;
 474                 *keyLocation = java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD;
 475             } else {
 476                 *keyCode = offset + java_awt_event_KeyEvent_VK_0;
 477                 *keyLocation = java_awt_event_KeyEvent_KEY_LOCATION_STANDARD;
 478             }
 479             return;
 480         }
 481     }
 482 
 483     if (key < size) {
 484         *postsTyped = keyTable[key].postsTyped;
 485         *keyCode = keyTable[key].javaKeyCode;
 486         *keyLocation = keyTable[key].javaKeyLocation;
 487     } else {
 488         // Should we report this? This means we've got a keyboard
 489         // we don't know about...
 490         *postsTyped = NO;
 491         *keyCode = java_awt_event_KeyEvent_VK_UNDEFINED;
 492         *keyLocation = java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN;
 493     }
 494 }
 495 
 496 /*
 497  * This returns the java key data for the key NSEvent modifiers
 498  * (after NSFlagChanged).
 499  */
 500 static void
 501 NsKeyModifiersToJavaKeyInfo(NSUInteger nsFlags, unsigned short eventKeyCode,
 502                             jint *javaKeyCode,
 503                             jint *javaKeyLocation,
 504                             jint *javaKeyType)
 505 {
 506     static NSUInteger sPreviousNSFlags = 0;
 507 
 508     const struct _nsKeyToJavaModifier* cur;
 509     NSUInteger oldNSFlags = sPreviousNSFlags;
 510     NSUInteger changedNSFlags = oldNSFlags ^ nsFlags;
 511     sPreviousNSFlags = nsFlags;
 512 
 513     *javaKeyCode = java_awt_event_KeyEvent_VK_UNDEFINED;
 514     *javaKeyLocation = java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN;
 515     *javaKeyType = java_awt_event_KeyEvent_KEY_PRESSED;
 516 
 517     for (cur = nsKeyToJavaModifierTable; cur->nsMask != 0; ++cur) {
 518         if (changedNSFlags & cur->nsMask) {
 519             *javaKeyCode = cur->javaKey;
 520             *javaKeyLocation = java_awt_event_KeyEvent_KEY_LOCATION_STANDARD;
 521             // TODO: uses SPI...
 522             //if (changedNSFlags & cur->cgsLeftMask) {
 523             //    *javaKeyLocation = java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
 524             //} else if (changedNSFlags & cur->cgsRightMask) {
 525             //    *javaKeyLocation = java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
 526             //}
 527             if (eventKeyCode == cur->leftKeyCode) {
 528                 *javaKeyLocation = java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
 529             } else if (eventKeyCode == cur->rightKeyCode) {
 530                 *javaKeyLocation = java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
 531             }
 532             *javaKeyType = (cur->nsMask & nsFlags) ?
 533                 java_awt_event_KeyEvent_KEY_PRESSED :
 534                 java_awt_event_KeyEvent_KEY_RELEASED;
 535             break;
 536         }
 537     }
 538 }
 539 
 540 /*
 541  * This returns the java modifiers for a key NSEvent.
 542  */
 543 jint NsKeyModifiersToJavaModifiers(NSUInteger nsFlags, BOOL isExtMods)
 544 {
 545     jint javaModifiers = 0;
 546     const struct _nsKeyToJavaModifier* cur;
 547 
 548     for (cur = nsKeyToJavaModifierTable; cur->nsMask != 0; ++cur) {
 549         if ((cur->nsMask & nsFlags) != 0) {
 550             javaModifiers |= isExtMods? cur->javaExtMask : cur->javaMask;
 551         }
 552     }
 553 
 554     return javaModifiers;
 555 }
 556 
 557 /*
 558  * This returns the NSEvent flags for java key modifiers.
 559  */
 560 NSUInteger JavaModifiersToNsKeyModifiers(jint javaModifiers, BOOL isExtMods)
 561 {
 562     NSUInteger nsFlags = 0;
 563     const struct _nsKeyToJavaModifier* cur;
 564 
 565     for (cur = nsKeyToJavaModifierTable; cur->nsMask != 0; ++cur) {
 566         jint mask = isExtMods? cur->javaExtMask : cur->javaMask; 
 567         if ((mask & javaModifiers) != 0) {
 568             nsFlags |= cur->nsMask;
 569         }
 570     }
 571 
 572     // special case
 573     jint mask = isExtMods? java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK : 
 574                            java_awt_event_InputEvent_ALT_GRAPH_MASK;
 575 
 576     if ((mask & javaModifiers) != 0) {
 577         nsFlags |= NSAlternateKeyMask;      
 578     }
 579 
 580     return nsFlags;
 581 }
 582 
 583 
 584 jint GetJavaMouseModifiers(NSInteger button, NSUInteger modifierFlags)
 585 {
 586     // Mousing needs the key modifiers
 587     jint modifiers = NsKeyModifiersToJavaModifiers(modifierFlags, YES);
 588 
 589 
 590     /*
 591      * Ask Quartz about mouse buttons state
 592      */
 593 
 594     if (CGEventSourceButtonState(kCGEventSourceStateCombinedSessionState,
 595                                  kCGMouseButtonLeft)) {
 596         modifiers |= java_awt_event_InputEvent_BUTTON1_DOWN_MASK;
 597     }
 598 
 599     if (CGEventSourceButtonState(kCGEventSourceStateCombinedSessionState,
 600                                  kCGMouseButtonRight)) {
 601         modifiers |= java_awt_event_InputEvent_BUTTON3_DOWN_MASK;
 602     }
 603 
 604     if (CGEventSourceButtonState(kCGEventSourceStateCombinedSessionState,
 605                                  kCGMouseButtonCenter)) {
 606         modifiers |= java_awt_event_InputEvent_BUTTON2_DOWN_MASK;
 607     }
 608 
 609     NSInteger extraButton = 3;
 610     for (; extraButton < gNumberOfButtons; extraButton++) {
 611         if (CGEventSourceButtonState(kCGEventSourceStateCombinedSessionState,
 612                                  extraButton)) {
 613             modifiers |= gButtonDownMasks[extraButton];
 614         }
 615     }
 616 
 617     return modifiers;
 618 }
 619 
 620 jlong UTC(NSEvent *event) {
 621     struct timeval tv;
 622     if (gettimeofday(&tv, NULL) == 0) {
 623         long long sec = (long long)tv.tv_sec;
 624         return (sec*1000) + (tv.tv_usec/1000);
 625     }
 626     return 0;
 627 }
 628 
 629 JNIEXPORT void JNICALL
 630 Java_java_awt_AWTEvent_nativeSetSource
 631     (JNIEnv *env, jobject self, jobject newSource)
 632 {
 633 }
 634 
 635 /*
 636  * Class:     sun_lwawt_macosx_event_NSEvent
 637  * Method:    nsToJavaMouseModifiers
 638  * Signature: (II)I
 639  */
 640 JNIEXPORT jint JNICALL
 641 Java_sun_lwawt_macosx_event_NSEvent_nsToJavaMouseModifiers
 642 (JNIEnv *env, jclass cls, jint buttonNumber, jint modifierFlags)
 643 {
 644     jint jmodifiers = 0;
 645 
 646 JNF_COCOA_ENTER(env);
 647 
 648     jmodifiers = GetJavaMouseModifiers(buttonNumber, modifierFlags);
 649 
 650 JNF_COCOA_EXIT(env);
 651 
 652     return jmodifiers;
 653 }
 654 
 655 /*
 656  * Class:     sun_lwawt_macosx_event_NSEvent
 657  * Method:    nsToJavaKeyModifiers
 658  * Signature: (I)I
 659  */
 660 JNIEXPORT jint JNICALL
 661 Java_sun_lwawt_macosx_event_NSEvent_nsToJavaKeyModifiers
 662 (JNIEnv *env, jclass cls, jint modifierFlags)
 663 {
 664     jint jmodifiers = 0;
 665 
 666 JNF_COCOA_ENTER(env);
 667 
 668     jmodifiers = NsKeyModifiersToJavaModifiers(modifierFlags, YES);
 669 
 670 JNF_COCOA_EXIT(env);
 671 
 672     return jmodifiers;
 673 }
 674 
 675 /*
 676  * Class:     sun_lwawt_macosx_event_NSEvent
 677  * Method:    nsToJavaKeyInfo
 678  * Signature: ([I[I)Z
 679  */
 680 JNIEXPORT jboolean JNICALL
 681 Java_sun_lwawt_macosx_event_NSEvent_nsToJavaKeyInfo
 682 (JNIEnv *env, jclass cls, jintArray inData, jintArray outData)
 683 {
 684     BOOL postsTyped = NO;
 685 
 686 JNF_COCOA_ENTER(env);
 687 
 688     jboolean copy = JNI_FALSE;
 689     jint *data = (*env)->GetIntArrayElements(env, inData, &copy);
 690 
 691     // in  = [testChar, testDeadChar, modifierFlags, keyCode]
 692     jchar testChar = (jchar)data[0];
 693     BOOL isDeadChar = (data[1] != 0);
 694     jint modifierFlags = data[2];
 695     jshort keyCode = (jshort)data[3];
 696 
 697     jint jkeyCode = java_awt_event_KeyEvent_VK_UNDEFINED;
 698     jint jkeyLocation = java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN;
 699     jchar testDeadChar = 0;
 700 
 701     NsCharToJavaVirtualKeyCode((unichar)testChar, isDeadChar,
 702                                (NSUInteger)modifierFlags, (unsigned short)keyCode,
 703                                &jkeyCode, &jkeyLocation, &postsTyped, &testDeadChar);
 704 
 705     // out = [jkeyCode, jkeyLocation];
 706     (*env)->SetIntArrayRegion(env, outData, 0, 1, &jkeyCode);
 707     (*env)->SetIntArrayRegion(env, outData, 1, 1, &jkeyLocation);
 708     (*env)->SetIntArrayRegion(env, outData, 2, 1, (jint *)&testDeadChar);
 709 
 710     (*env)->ReleaseIntArrayElements(env, inData, data, 0);
 711 
 712 JNF_COCOA_EXIT(env);
 713 
 714     return postsTyped;
 715 }
 716 
 717 /*
 718  * Class:     sun_lwawt_macosx_event_NSEvent
 719  * Method:    nsKeyModifiersToJavaKeyInfo
 720  * Signature: ([I[I)V
 721  */
 722 JNIEXPORT void JNICALL
 723 Java_sun_lwawt_macosx_event_NSEvent_nsKeyModifiersToJavaKeyInfo
 724 (JNIEnv *env, jclass cls, jintArray inData, jintArray outData)
 725 {
 726 JNF_COCOA_ENTER(env);
 727 
 728     jboolean copy = JNI_FALSE;
 729     jint *data = (*env)->GetIntArrayElements(env, inData, &copy);
 730 
 731     // in  = [modifierFlags, keyCode]
 732     jint modifierFlags = data[0];
 733     jshort keyCode = (jshort)data[1];
 734 
 735     jint jkeyCode = java_awt_event_KeyEvent_VK_UNDEFINED;
 736     jint jkeyLocation = java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN;
 737     jint jkeyType = java_awt_event_KeyEvent_KEY_PRESSED;
 738 
 739     NsKeyModifiersToJavaKeyInfo(modifierFlags,
 740                                 keyCode,
 741                                 &jkeyCode,
 742                                 &jkeyLocation,
 743                                 &jkeyType);
 744 
 745     // out = [jkeyCode, jkeyLocation, jkeyType];
 746     (*env)->SetIntArrayRegion(env, outData, 0, 1, &jkeyCode);
 747     (*env)->SetIntArrayRegion(env, outData, 1, 1, &jkeyLocation);
 748     (*env)->SetIntArrayRegion(env, outData, 2, 1, &jkeyType);
 749 
 750     (*env)->ReleaseIntArrayElements(env, inData, data, 0);
 751 
 752 JNF_COCOA_EXIT(env);
 753 }
 754 
 755 /*
 756  * Class:     sun_lwawt_macosx_event_NSEvent
 757  * Method:    nsToJavaChar
 758  * Signature: (CI)C
 759  */
 760 JNIEXPORT jint JNICALL
 761 Java_sun_lwawt_macosx_event_NSEvent_nsToJavaChar
 762 (JNIEnv *env, jclass cls, char nsChar, jint modifierFlags)
 763 {
 764     jchar javaChar = 0;
 765 
 766 JNF_COCOA_ENTER(env);
 767 
 768     javaChar = NsCharToJavaChar(nsChar, modifierFlags);
 769 
 770 JNF_COCOA_EXIT(env);
 771 
 772     return javaChar;
 773 }