| 1 |
/* $Header$ */ |
| 2 |
|
| 3 |
/* |
| 4 |
* tkWinKey.c -- |
| 5 |
* |
| 6 |
* This file contains X emulation routines for keyboard related |
| 7 |
* functions. |
| 8 |
* |
| 9 |
* Copyright (c) 1995 Sun Microsystems, Inc. |
| 10 |
* |
| 11 |
* See the file "license.terms" for information on usage and redistribution |
| 12 |
* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
| 13 |
* |
| 14 |
* RCS: @(#) $Id: tkwinkey.c,v 1.1.1.1 2001/06/13 05:13:42 dtashley Exp $ |
| 15 |
*/ |
| 16 |
|
| 17 |
#include "tkWinInt.h" |
| 18 |
/* |
| 19 |
* The keymap table holds mappings of Windows keycodes to X keysyms. |
| 20 |
* If Windows ever comes along and changes the value of their keycodes, |
| 21 |
* this will break all kinds of things. However, this table lookup is much |
| 22 |
* faster than the alternative, in which we walked a list of keycodes looking |
| 23 |
* for a match. Since this lookup is performed for every Windows keypress |
| 24 |
* event, it seems like a worthwhile improvement to use the table. |
| 25 |
*/ |
| 26 |
#define MAX_KEYCODE 145 /* VK_SCROLL is the last entry in our table below */ |
| 27 |
static KeySym keymap[] = { |
| 28 |
NoSymbol, NoSymbol, NoSymbol, XK_Cancel, NoSymbol, |
| 29 |
NoSymbol, NoSymbol, NoSymbol, XK_BackSpace, XK_Tab, |
| 30 |
NoSymbol, NoSymbol, XK_Clear, XK_Return, NoSymbol, |
| 31 |
NoSymbol, XK_Shift_L, XK_Control_L, XK_Alt_L, XK_Pause, |
| 32 |
XK_Caps_Lock, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 33 |
NoSymbol, NoSymbol, XK_Escape, NoSymbol, NoSymbol, |
| 34 |
NoSymbol, NoSymbol, XK_space, XK_Prior, XK_Next, |
| 35 |
XK_End, XK_Home, XK_Left, XK_Up, XK_Right, |
| 36 |
XK_Down, XK_Select, XK_Print, XK_Execute, NoSymbol, |
| 37 |
XK_Insert, XK_Delete, XK_Help, NoSymbol, NoSymbol, |
| 38 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 39 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 40 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 41 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 42 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 43 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 44 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 45 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 46 |
NoSymbol, XK_Win_L, XK_Win_R, XK_App, NoSymbol, |
| 47 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 48 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 49 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 50 |
NoSymbol, NoSymbol, XK_F1, XK_F2, XK_F3, |
| 51 |
XK_F4, XK_F5, XK_F6, XK_F7, XK_F8, |
| 52 |
XK_F9, XK_F10, XK_F11, XK_F12, XK_F13, |
| 53 |
XK_F14, XK_F15, XK_F16, XK_F17, XK_F18, |
| 54 |
XK_F19, XK_F20, XK_F21, XK_F22, XK_F23, |
| 55 |
XK_F24, NoSymbol, NoSymbol, NoSymbol, NoSymbol, |
| 56 |
NoSymbol, NoSymbol, NoSymbol, NoSymbol, XK_Num_Lock, |
| 57 |
XK_Scroll_Lock |
| 58 |
}; |
| 59 |
|
| 60 |
/* |
| 61 |
* Prototypes for local procedures defined in this file: |
| 62 |
*/ |
| 63 |
|
| 64 |
static KeySym KeycodeToKeysym _ANSI_ARGS_((unsigned int keycode, |
| 65 |
int state, int noascii)); |
| 66 |
|
| 67 |
/* |
| 68 |
*---------------------------------------------------------------------- |
| 69 |
* |
| 70 |
* TkpGetString -- |
| 71 |
* |
| 72 |
* Retrieve the UTF string equivalent for the given keyboard event. |
| 73 |
* |
| 74 |
* Results: |
| 75 |
* Returns the UTF string. |
| 76 |
* |
| 77 |
* Side effects: |
| 78 |
* None. |
| 79 |
* |
| 80 |
*---------------------------------------------------------------------- |
| 81 |
*/ |
| 82 |
|
| 83 |
char * |
| 84 |
TkpGetString(winPtr, eventPtr, dsPtr) |
| 85 |
TkWindow *winPtr; /* Window where event occurred: needed to |
| 86 |
* get input context. */ |
| 87 |
XEvent *eventPtr; /* X keyboard event. */ |
| 88 |
Tcl_DString *dsPtr; /* Uninitialized or empty string to hold |
| 89 |
* result. */ |
| 90 |
{ |
| 91 |
KeySym keysym; |
| 92 |
XKeyEvent* keyEv = &eventPtr->xkey; |
| 93 |
|
| 94 |
Tcl_DStringInit(dsPtr); |
| 95 |
if (eventPtr->xkey.send_event != -1) { |
| 96 |
/* |
| 97 |
* This is an event generated from generic code. It has no |
| 98 |
* nchars or trans_chars members. |
| 99 |
*/ |
| 100 |
|
| 101 |
keysym = KeycodeToKeysym(eventPtr->xkey.keycode, |
| 102 |
eventPtr->xkey.state, 0); |
| 103 |
if (((keysym != NoSymbol) && (keysym > 0) && (keysym < 256)) |
| 104 |
|| (keysym == XK_Return) |
| 105 |
|| (keysym == XK_Tab)) { |
| 106 |
char buf[TCL_UTF_MAX]; |
| 107 |
int len = Tcl_UniCharToUtf((Tcl_UniChar) (keysym & 255), buf); |
| 108 |
Tcl_DStringAppend(dsPtr, buf, len); |
| 109 |
} |
| 110 |
} else if (eventPtr->xkey.nbytes > 0) { |
| 111 |
Tcl_ExternalToUtfDString(NULL, eventPtr->xkey.trans_chars, |
| 112 |
eventPtr->xkey.nbytes, dsPtr); |
| 113 |
} |
| 114 |
return Tcl_DStringValue(dsPtr); |
| 115 |
} |
| 116 |
|
| 117 |
/* |
| 118 |
*---------------------------------------------------------------------- |
| 119 |
* |
| 120 |
* XKeycodeToKeysym -- |
| 121 |
* |
| 122 |
* Translate from a system-dependent keycode to a |
| 123 |
* system-independent keysym. |
| 124 |
* |
| 125 |
* Results: |
| 126 |
* Returns the translated keysym, or NoSymbol on failure. |
| 127 |
* |
| 128 |
* Side effects: |
| 129 |
* None. |
| 130 |
* |
| 131 |
*---------------------------------------------------------------------- |
| 132 |
*/ |
| 133 |
|
| 134 |
KeySym |
| 135 |
XKeycodeToKeysym(display, keycode, index) |
| 136 |
Display* display; |
| 137 |
unsigned int keycode; |
| 138 |
int index; |
| 139 |
{ |
| 140 |
int state = 0; |
| 141 |
|
| 142 |
if (index & 0x01) { |
| 143 |
state |= ShiftMask; |
| 144 |
} |
| 145 |
return KeycodeToKeysym(keycode, state, 0); |
| 146 |
} |
| 147 |
|
| 148 |
|
| 149 |
|
| 150 |
/* |
| 151 |
*---------------------------------------------------------------------- |
| 152 |
* |
| 153 |
* KeycodeToKeysym -- |
| 154 |
* |
| 155 |
* Translate from a system-dependent keycode to a |
| 156 |
* system-independent keysym. |
| 157 |
* |
| 158 |
* Results: |
| 159 |
* Returns the translated keysym, or NoSymbol on failure. |
| 160 |
* |
| 161 |
* Side effects: |
| 162 |
* It may affect the internal state of the keyboard, such as |
| 163 |
* remembered dead key or lock indicator lamps. |
| 164 |
* |
| 165 |
*---------------------------------------------------------------------- |
| 166 |
*/ |
| 167 |
|
| 168 |
static KeySym |
| 169 |
KeycodeToKeysym(keycode, state, noascii) |
| 170 |
unsigned int keycode; |
| 171 |
int state; |
| 172 |
int noascii; |
| 173 |
{ |
| 174 |
BYTE keys[256]; |
| 175 |
int result, deadkey, shift; |
| 176 |
char buf[4]; |
| 177 |
unsigned int scancode = MapVirtualKey(keycode, 0); |
| 178 |
|
| 179 |
/* |
| 180 |
* Do not run keycodes of lock keys through ToAscii(). |
| 181 |
* One of ToAscii()'s side effects is to handle the lights |
| 182 |
* on the keyboard, and we don't want to mess that up. |
| 183 |
*/ |
| 184 |
|
| 185 |
if (noascii || keycode == VK_CAPITAL || keycode == VK_SCROLL || |
| 186 |
keycode == VK_NUMLOCK) |
| 187 |
goto skipToAscii; |
| 188 |
|
| 189 |
/* |
| 190 |
* Use MapVirtualKey() to detect some dead keys. |
| 191 |
*/ |
| 192 |
|
| 193 |
if (MapVirtualKey(keycode, 2) > 0x7fffUL) |
| 194 |
return XK_Multi_key; |
| 195 |
|
| 196 |
/* |
| 197 |
* Set up a keyboard with correct modifiers |
| 198 |
*/ |
| 199 |
|
| 200 |
memset(keys, 0, 256); |
| 201 |
if (state & ShiftMask) |
| 202 |
keys[VK_SHIFT] = 0x80; |
| 203 |
if (state & ControlMask) |
| 204 |
keys[VK_CONTROL] = 0x80; |
| 205 |
if (state & Mod2Mask) |
| 206 |
keys[VK_MENU] = 0x80; |
| 207 |
|
| 208 |
/* |
| 209 |
* Make sure all lock button info is correct so we don't mess up the |
| 210 |
* lights |
| 211 |
*/ |
| 212 |
|
| 213 |
if (state & LockMask) |
| 214 |
keys[VK_CAPITAL] = 1; |
| 215 |
if (state & Mod3Mask) |
| 216 |
keys[VK_SCROLL] = 1; |
| 217 |
if (state & Mod1Mask) |
| 218 |
keys[VK_NUMLOCK] = 1; |
| 219 |
|
| 220 |
result = ToAscii(keycode, scancode, keys, (LPWORD) buf, 0); |
| 221 |
|
| 222 |
if (result < 0) { |
| 223 |
/* |
| 224 |
* Win95/98: |
| 225 |
* This was a dead char, which is now remembered by the keyboard. |
| 226 |
* Call ToAscii() again to forget it. |
| 227 |
* WinNT: |
| 228 |
* This was a dead char, overwriting any previously remembered |
| 229 |
* key. Calling ToAscii() again does not affect anything. |
| 230 |
*/ |
| 231 |
|
| 232 |
ToAscii(keycode, scancode, keys, (LPWORD) buf, 0); |
| 233 |
return XK_Multi_key; |
| 234 |
} |
| 235 |
if (result == 2) { |
| 236 |
/* |
| 237 |
* This was a dead char, and there were one previously remembered |
| 238 |
* by the keyboard. |
| 239 |
* Call ToAscii() again with proper parameters to restore it. |
| 240 |
*/ |
| 241 |
|
| 242 |
/* |
| 243 |
* Get information about the old char |
| 244 |
*/ |
| 245 |
|
| 246 |
deadkey = VkKeyScan(buf[0]); |
| 247 |
shift = deadkey >> 8; |
| 248 |
deadkey &= 255; |
| 249 |
scancode = MapVirtualKey(deadkey, 0); |
| 250 |
|
| 251 |
/* |
| 252 |
* Set up a keyboard with proper modifier keys |
| 253 |
*/ |
| 254 |
|
| 255 |
memset(keys, 0, 256); |
| 256 |
if (shift & 1) |
| 257 |
keys[VK_SHIFT] = 0x80; |
| 258 |
if (shift & 2) |
| 259 |
keys[VK_CONTROL] = 0x80; |
| 260 |
if (shift & 4) |
| 261 |
keys[VK_MENU] = 0x80; |
| 262 |
ToAscii(deadkey, scancode, keys, (LPWORD) buf, 0); |
| 263 |
return XK_Multi_key; |
| 264 |
} |
| 265 |
|
| 266 |
/* |
| 267 |
* Keycode mapped to a valid Latin-1 character. Since the keysyms |
| 268 |
* for alphanumeric characters map onto Latin-1, we just return it. |
| 269 |
* |
| 270 |
* We treat 0x7F as a special case mostly for backwards compatibility. |
| 271 |
* In versions of Tk<=8.2, Control-Backspace returned "XK_BackSpace" |
| 272 |
* as the X Keysym. This was due to the fact that we did not |
| 273 |
* initialize the keys array properly when we passed it to ToAscii, above. |
| 274 |
* We had previously not been setting the state bit for the Control key. |
| 275 |
* When we fixed that, we found that Control-Backspace on Windows is |
| 276 |
* interpreted as ASCII-127 (0x7F), which corresponds to the Delete key. |
| 277 |
* |
| 278 |
* Upon discovering this, we realized we had two choices: return XK_Delete |
| 279 |
* or return XK_BackSpace. If we returned XK_Delete, that could be |
| 280 |
* considered "more correct" (although the correctness would be dependant |
| 281 |
* on whether you believe that ToAscii is doing the right thing in that |
| 282 |
* case); however, this would break backwards compatibility, and worse, |
| 283 |
* it would limit application programmers -- they would effectively be |
| 284 |
* unable to bind to <Control-Backspace> on Windows. We therefore chose |
| 285 |
* instead to return XK_BackSpace (handled here by letting the code |
| 286 |
* "fall-through" to the return statement below, which works because the |
| 287 |
* keycode for this event is VK_BACKSPACE, and the keymap table maps that |
| 288 |
* keycode to XK_BackSpace). |
| 289 |
*/ |
| 290 |
|
| 291 |
if (result == 1 && UCHAR(buf[0]) >= 0x20 && UCHAR(buf[0]) != 0x7F) { |
| 292 |
return (KeySym) UCHAR(buf[0]); |
| 293 |
} |
| 294 |
|
| 295 |
/* |
| 296 |
* Keycode is a non-alphanumeric key, so we have to do the lookup. |
| 297 |
*/ |
| 298 |
|
| 299 |
skipToAscii: |
| 300 |
if (keycode < 0 || keycode > MAX_KEYCODE) { |
| 301 |
return NoSymbol; |
| 302 |
} |
| 303 |
switch (keycode) { |
| 304 |
/* |
| 305 |
* Windows only gives us an undifferentiated VK_CONTROL |
| 306 |
* code (for example) when either Control key is pressed. |
| 307 |
* To distinguish between left and right, we have to query the |
| 308 |
* state of one of the two to determine which was actually |
| 309 |
* pressed. So if the keycode indicates Control, Shift, or Menu |
| 310 |
* (the key that everybody else calls Alt), do this extra test. |
| 311 |
* If the right-side key was pressed, return the appropriate |
| 312 |
* keycode. Otherwise, we fall through and rely on the |
| 313 |
* keymap table to hold the correct keysym value. |
| 314 |
*/ |
| 315 |
case VK_CONTROL: { |
| 316 |
if (GetKeyState(VK_RCONTROL) & 0x80) { |
| 317 |
return XK_Control_R; |
| 318 |
} |
| 319 |
break; |
| 320 |
} |
| 321 |
case VK_SHIFT: { |
| 322 |
if (GetKeyState(VK_RSHIFT) & 0x80) { |
| 323 |
return XK_Shift_R; |
| 324 |
} |
| 325 |
break; |
| 326 |
} |
| 327 |
case VK_MENU: { |
| 328 |
if (GetKeyState(VK_RMENU) & 0x80) { |
| 329 |
return XK_Alt_R; |
| 330 |
} |
| 331 |
break; |
| 332 |
} |
| 333 |
} |
| 334 |
return keymap[keycode]; |
| 335 |
} |
| 336 |
|
| 337 |
|
| 338 |
/* |
| 339 |
*---------------------------------------------------------------------- |
| 340 |
* |
| 341 |
* TkpGetKeySym -- |
| 342 |
* |
| 343 |
* Given an X KeyPress or KeyRelease event, map the |
| 344 |
* keycode in the event into a KeySym. |
| 345 |
* |
| 346 |
* Results: |
| 347 |
* The return value is the KeySym corresponding to |
| 348 |
* eventPtr, or NoSymbol if no matching Keysym could be |
| 349 |
* found. |
| 350 |
* |
| 351 |
* Side effects: |
| 352 |
* In the first call for a given display, keycode-to- |
| 353 |
* KeySym maps get loaded. |
| 354 |
* |
| 355 |
*---------------------------------------------------------------------- |
| 356 |
*/ |
| 357 |
|
| 358 |
KeySym |
| 359 |
TkpGetKeySym(dispPtr, eventPtr) |
| 360 |
TkDisplay *dispPtr; /* Display in which to map keycode. */ |
| 361 |
XEvent *eventPtr; /* Description of X event. */ |
| 362 |
{ |
| 363 |
KeySym sym; |
| 364 |
int state = eventPtr->xkey.state; |
| 365 |
|
| 366 |
/* |
| 367 |
* Refresh the mapping information if it's stale |
| 368 |
*/ |
| 369 |
|
| 370 |
if (dispPtr->bindInfoStale) { |
| 371 |
TkpInitKeymapInfo(dispPtr); |
| 372 |
} |
| 373 |
|
| 374 |
sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0); |
| 375 |
|
| 376 |
/* |
| 377 |
* Special handling: if this is a ctrl-alt or shifted key, and there |
| 378 |
* is no keysym defined, try without the modifiers. |
| 379 |
*/ |
| 380 |
|
| 381 |
if ((sym == NoSymbol) && ((state & ControlMask) || (state & Mod2Mask))) { |
| 382 |
state &= ~(ControlMask | Mod2Mask); |
| 383 |
sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0); |
| 384 |
} |
| 385 |
if ((sym == NoSymbol) && (state & ShiftMask)) { |
| 386 |
state &= ~ShiftMask; |
| 387 |
sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0); |
| 388 |
} |
| 389 |
return sym; |
| 390 |
} |
| 391 |
|
| 392 |
/* |
| 393 |
*-------------------------------------------------------------- |
| 394 |
* |
| 395 |
* TkpInitKeymapInfo -- |
| 396 |
* |
| 397 |
* This procedure is invoked to scan keymap information |
| 398 |
* to recompute stuff that's important for binding, such |
| 399 |
* as the modifier key (if any) that corresponds to "mode |
| 400 |
* switch". |
| 401 |
* |
| 402 |
* Results: |
| 403 |
* None. |
| 404 |
* |
| 405 |
* Side effects: |
| 406 |
* Keymap-related information in dispPtr is updated. |
| 407 |
* |
| 408 |
*-------------------------------------------------------------- |
| 409 |
*/ |
| 410 |
|
| 411 |
void |
| 412 |
TkpInitKeymapInfo(dispPtr) |
| 413 |
TkDisplay *dispPtr; /* Display for which to recompute keymap |
| 414 |
* information. */ |
| 415 |
{ |
| 416 |
XModifierKeymap *modMapPtr; |
| 417 |
KeyCode *codePtr; |
| 418 |
KeySym keysym; |
| 419 |
int count, i, j, max, arraySize; |
| 420 |
#define KEYCODE_ARRAY_SIZE 20 |
| 421 |
|
| 422 |
dispPtr->bindInfoStale = 0; |
| 423 |
modMapPtr = XGetModifierMapping(dispPtr->display); |
| 424 |
|
| 425 |
/* |
| 426 |
* Check the keycodes associated with the Lock modifier. If |
| 427 |
* any of them is associated with the XK_Shift_Lock modifier, |
| 428 |
* then Lock has to be interpreted as Shift Lock, not Caps Lock. |
| 429 |
*/ |
| 430 |
|
| 431 |
dispPtr->lockUsage = LU_IGNORE; |
| 432 |
codePtr = modMapPtr->modifiermap + modMapPtr->max_keypermod*LockMapIndex; |
| 433 |
for (count = modMapPtr->max_keypermod; count > 0; count--, codePtr++) { |
| 434 |
if (*codePtr == 0) { |
| 435 |
continue; |
| 436 |
} |
| 437 |
keysym = KeycodeToKeysym(*codePtr, 0, 1); |
| 438 |
if (keysym == XK_Shift_Lock) { |
| 439 |
dispPtr->lockUsage = LU_SHIFT; |
| 440 |
break; |
| 441 |
} |
| 442 |
if (keysym == XK_Caps_Lock) { |
| 443 |
dispPtr->lockUsage = LU_CAPS; |
| 444 |
break; |
| 445 |
} |
| 446 |
} |
| 447 |
|
| 448 |
/* |
| 449 |
* Look through the keycodes associated with modifiers to see if |
| 450 |
* the the "mode switch", "meta", or "alt" keysyms are associated |
| 451 |
* with any modifiers. If so, remember their modifier mask bits. |
| 452 |
*/ |
| 453 |
|
| 454 |
dispPtr->modeModMask = 0; |
| 455 |
dispPtr->metaModMask = 0; |
| 456 |
dispPtr->altModMask = 0; |
| 457 |
codePtr = modMapPtr->modifiermap; |
| 458 |
max = 8*modMapPtr->max_keypermod; |
| 459 |
for (i = 0; i < max; i++, codePtr++) { |
| 460 |
if (*codePtr == 0) { |
| 461 |
continue; |
| 462 |
} |
| 463 |
keysym = KeycodeToKeysym(*codePtr, 0, 1); |
| 464 |
if (keysym == XK_Mode_switch) { |
| 465 |
dispPtr->modeModMask |= ShiftMask << (i/modMapPtr->max_keypermod); |
| 466 |
} |
| 467 |
if ((keysym == XK_Meta_L) || (keysym == XK_Meta_R)) { |
| 468 |
dispPtr->metaModMask |= ShiftMask << (i/modMapPtr->max_keypermod); |
| 469 |
} |
| 470 |
if ((keysym == XK_Alt_L) || (keysym == XK_Alt_R)) { |
| 471 |
dispPtr->altModMask |= ShiftMask << (i/modMapPtr->max_keypermod); |
| 472 |
} |
| 473 |
} |
| 474 |
|
| 475 |
/* |
| 476 |
* Create an array of the keycodes for all modifier keys. |
| 477 |
*/ |
| 478 |
|
| 479 |
if (dispPtr->modKeyCodes != NULL) { |
| 480 |
ckfree((char *) dispPtr->modKeyCodes); |
| 481 |
} |
| 482 |
dispPtr->numModKeyCodes = 0; |
| 483 |
arraySize = KEYCODE_ARRAY_SIZE; |
| 484 |
dispPtr->modKeyCodes = (KeyCode *) ckalloc((unsigned) |
| 485 |
(KEYCODE_ARRAY_SIZE * sizeof(KeyCode))); |
| 486 |
for (i = 0, codePtr = modMapPtr->modifiermap; i < max; i++, codePtr++) { |
| 487 |
if (*codePtr == 0) { |
| 488 |
continue; |
| 489 |
} |
| 490 |
|
| 491 |
/* |
| 492 |
* Make sure that the keycode isn't already in the array. |
| 493 |
*/ |
| 494 |
|
| 495 |
for (j = 0; j < dispPtr->numModKeyCodes; j++) { |
| 496 |
if (dispPtr->modKeyCodes[j] == *codePtr) { |
| 497 |
goto nextModCode; |
| 498 |
} |
| 499 |
} |
| 500 |
if (dispPtr->numModKeyCodes >= arraySize) { |
| 501 |
KeyCode *new; |
| 502 |
|
| 503 |
/* |
| 504 |
* Ran out of space in the array; grow it. |
| 505 |
*/ |
| 506 |
|
| 507 |
arraySize *= 2; |
| 508 |
new = (KeyCode *) ckalloc((unsigned) |
| 509 |
(arraySize * sizeof(KeyCode))); |
| 510 |
memcpy((VOID *) new, (VOID *) dispPtr->modKeyCodes, |
| 511 |
(dispPtr->numModKeyCodes * sizeof(KeyCode))); |
| 512 |
ckfree((char *) dispPtr->modKeyCodes); |
| 513 |
dispPtr->modKeyCodes = new; |
| 514 |
} |
| 515 |
dispPtr->modKeyCodes[dispPtr->numModKeyCodes] = *codePtr; |
| 516 |
dispPtr->numModKeyCodes++; |
| 517 |
nextModCode: continue; |
| 518 |
} |
| 519 |
XFreeModifiermap(modMapPtr); |
| 520 |
} |
| 521 |
|
| 522 |
/* |
| 523 |
* When mapping from a keysym to a keycode, need |
| 524 |
* information about the modifier state that should be used |
| 525 |
* so that when they call XKeycodeToKeysym taking into |
| 526 |
* account the xkey.state, they will get back the original |
| 527 |
* keysym. |
| 528 |
*/ |
| 529 |
|
| 530 |
void |
| 531 |
TkpSetKeycodeAndState(tkwin, keySym, eventPtr) |
| 532 |
Tk_Window tkwin; |
| 533 |
KeySym keySym; |
| 534 |
XEvent *eventPtr; |
| 535 |
{ |
| 536 |
int i; |
| 537 |
SHORT result; |
| 538 |
int shift; |
| 539 |
|
| 540 |
eventPtr->xkey.keycode = 0; |
| 541 |
if (keySym == NoSymbol) { |
| 542 |
return; |
| 543 |
} |
| 544 |
|
| 545 |
/* |
| 546 |
* We check our private map first for a virtual keycode, |
| 547 |
* as VkKeyScan will return values that don't map to X |
| 548 |
* for the "extended" Syms. This may be due to just casting |
| 549 |
* problems below, but this works. |
| 550 |
*/ |
| 551 |
for (i = 0; i <= MAX_KEYCODE; i++) { |
| 552 |
if (keymap[i] == keySym) { |
| 553 |
eventPtr->xkey.keycode = i; |
| 554 |
return; |
| 555 |
} |
| 556 |
} |
| 557 |
if (keySym >= 0x20) { |
| 558 |
result = VkKeyScan((char) keySym); |
| 559 |
if (result != -1) { |
| 560 |
shift = result >> 8; |
| 561 |
if (shift & 1) |
| 562 |
eventPtr->xkey.state |= ShiftMask; |
| 563 |
if (shift & 2) |
| 564 |
eventPtr->xkey.state |= ControlMask; |
| 565 |
if (shift & 4) |
| 566 |
eventPtr->xkey.state |= Mod2Mask; |
| 567 |
eventPtr->xkey.keycode = (KeyCode) (result & 0xff); |
| 568 |
} |
| 569 |
} |
| 570 |
{ |
| 571 |
/* Debug log */ |
| 572 |
FILE *fp = fopen("c:\\temp\\tklog.txt", "a"); |
| 573 |
if (fp != NULL) { |
| 574 |
fprintf(fp, "TkpSetKeycode. Keycode %d State %d Keysym %d\n", eventPtr->xkey.keycode, eventPtr->xkey.state, keySym); |
| 575 |
fclose(fp); |
| 576 |
} |
| 577 |
} |
| 578 |
} |
| 579 |
|
| 580 |
/* |
| 581 |
*---------------------------------------------------------------------- |
| 582 |
* |
| 583 |
* XKeysymToKeycode -- |
| 584 |
* |
| 585 |
* Translate a keysym back into a keycode. |
| 586 |
* |
| 587 |
* Results: |
| 588 |
* Returns the keycode that would generate the specified keysym. |
| 589 |
* |
| 590 |
* Side effects: |
| 591 |
* None. |
| 592 |
* |
| 593 |
*---------------------------------------------------------------------- |
| 594 |
*/ |
| 595 |
|
| 596 |
KeyCode |
| 597 |
XKeysymToKeycode(display, keysym) |
| 598 |
Display* display; |
| 599 |
KeySym keysym; |
| 600 |
{ |
| 601 |
int i; |
| 602 |
SHORT result; |
| 603 |
|
| 604 |
/* |
| 605 |
* We check our private map first for a virtual keycode, |
| 606 |
* as VkKeyScan will return values that don't map to X |
| 607 |
* for the "extended" Syms. This may be due to just casting |
| 608 |
* problems below, but this works. |
| 609 |
*/ |
| 610 |
if (keysym == NoSymbol) { |
| 611 |
return 0; |
| 612 |
} |
| 613 |
for (i = 0; i <= MAX_KEYCODE; i++) { |
| 614 |
if (keymap[i] == keysym) { |
| 615 |
return ((KeyCode) i); |
| 616 |
} |
| 617 |
} |
| 618 |
if (keysym >= 0x20) { |
| 619 |
result = VkKeyScan((char) keysym); |
| 620 |
if (result != -1) { |
| 621 |
return (KeyCode) (result & 0xff); |
| 622 |
} |
| 623 |
} |
| 624 |
|
| 625 |
return 0; |
| 626 |
} |
| 627 |
|
| 628 |
/* |
| 629 |
*---------------------------------------------------------------------- |
| 630 |
* |
| 631 |
* XGetModifierMapping -- |
| 632 |
* |
| 633 |
* Fetch the current keycodes used as modifiers. |
| 634 |
* |
| 635 |
* Results: |
| 636 |
* Returns a new modifier map. |
| 637 |
* |
| 638 |
* Side effects: |
| 639 |
* Allocates a new modifier map data structure. |
| 640 |
* |
| 641 |
*---------------------------------------------------------------------- |
| 642 |
*/ |
| 643 |
|
| 644 |
XModifierKeymap * |
| 645 |
XGetModifierMapping(display) |
| 646 |
Display* display; |
| 647 |
{ |
| 648 |
XModifierKeymap *map = (XModifierKeymap *)ckalloc(sizeof(XModifierKeymap)); |
| 649 |
|
| 650 |
map->max_keypermod = 1; |
| 651 |
map->modifiermap = (KeyCode *) ckalloc(sizeof(KeyCode)*8); |
| 652 |
map->modifiermap[ShiftMapIndex] = VK_SHIFT; |
| 653 |
map->modifiermap[LockMapIndex] = VK_CAPITAL; |
| 654 |
map->modifiermap[ControlMapIndex] = VK_CONTROL; |
| 655 |
map->modifiermap[Mod1MapIndex] = VK_NUMLOCK; |
| 656 |
map->modifiermap[Mod2MapIndex] = VK_MENU; |
| 657 |
map->modifiermap[Mod3MapIndex] = VK_SCROLL; |
| 658 |
map->modifiermap[Mod4MapIndex] = 0; |
| 659 |
map->modifiermap[Mod5MapIndex] = 0; |
| 660 |
return map; |
| 661 |
} |
| 662 |
|
| 663 |
/* |
| 664 |
*---------------------------------------------------------------------- |
| 665 |
* |
| 666 |
* XFreeModifiermap -- |
| 667 |
* |
| 668 |
* Deallocate a modifier map that was created by |
| 669 |
* XGetModifierMapping. |
| 670 |
* |
| 671 |
* Results: |
| 672 |
* None. |
| 673 |
* |
| 674 |
* Side effects: |
| 675 |
* Frees the datastructure referenced by modmap. |
| 676 |
* |
| 677 |
*---------------------------------------------------------------------- |
| 678 |
*/ |
| 679 |
|
| 680 |
void |
| 681 |
XFreeModifiermap(modmap) |
| 682 |
XModifierKeymap* modmap; |
| 683 |
{ |
| 684 |
ckfree((char *) modmap->modifiermap); |
| 685 |
ckfree((char *) modmap); |
| 686 |
} |
| 687 |
|
| 688 |
/* |
| 689 |
*---------------------------------------------------------------------- |
| 690 |
* |
| 691 |
* XStringToKeysym -- |
| 692 |
* |
| 693 |
* Translate a keysym name to the matching keysym. |
| 694 |
* |
| 695 |
* Results: |
| 696 |
* Returns the keysym. Since this is already handled by |
| 697 |
* Tk's StringToKeysym function, we just return NoSymbol. |
| 698 |
* |
| 699 |
* Side effects: |
| 700 |
* None. |
| 701 |
* |
| 702 |
*---------------------------------------------------------------------- |
| 703 |
*/ |
| 704 |
|
| 705 |
KeySym |
| 706 |
XStringToKeysym(string) |
| 707 |
_Xconst char *string; |
| 708 |
{ |
| 709 |
return NoSymbol; |
| 710 |
} |
| 711 |
|
| 712 |
/* |
| 713 |
*---------------------------------------------------------------------- |
| 714 |
* |
| 715 |
* XKeysymToString -- |
| 716 |
* |
| 717 |
* Convert a keysym to character form. |
| 718 |
* |
| 719 |
* Results: |
| 720 |
* Returns NULL, since Tk will have handled this already. |
| 721 |
* |
| 722 |
* Side effects: |
| 723 |
* None. |
| 724 |
* |
| 725 |
*---------------------------------------------------------------------- |
| 726 |
*/ |
| 727 |
|
| 728 |
char * |
| 729 |
XKeysymToString(keysym) |
| 730 |
KeySym keysym; |
| 731 |
{ |
| 732 |
return NULL; |
| 733 |
} |
| 734 |
|
| 735 |
/* End of tkwinkey.c */ |
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