| File: | src/xkb/XKBBind.c |
| Location: | line 289, column 5 |
| Description: | Value stored to 'col' is never read |
| 1 | /* |
| 2 | |
| 3 | Copyright 1985, 1987, 1994, 1998 The Open Group |
| 4 | |
| 5 | Permission to use, copy, modify, distribute, and sell this software and its |
| 6 | documentation for any purpose is hereby granted without fee, provided that |
| 7 | the above copyright notice appear in all copies and that both that |
| 8 | copyright notice and this permission notice appear in supporting |
| 9 | documentation. |
| 10 | |
| 11 | The above copyright notice and this permission notice shall be included |
| 12 | in all copies or substantial portions of the Software. |
| 13 | |
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 15 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 16 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 17 | IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 18 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 19 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 20 | OTHER DEALINGS IN THE SOFTWARE. |
| 21 | |
| 22 | Except as contained in this notice, the name of The Open Group shall |
| 23 | not be used in advertising or otherwise to promote the sale, use or |
| 24 | other dealings in this Software without prior written authorization |
| 25 | from The Open Group. |
| 26 | |
| 27 | */ |
| 28 | |
| 29 | /* the new monsters ate the old ones */ |
| 30 | |
| 31 | #ifdef HAVE_CONFIG_H1 |
| 32 | #include <config.h> |
| 33 | #endif |
| 34 | #include "XKBlib.h" |
| 35 | #include <X11/Xlibint.h> |
| 36 | #include <X11/Xutil.h> |
| 37 | #include <X11/keysym.h> |
| 38 | #include <stdio.h> |
| 39 | #include <ctype.h> |
| 40 | |
| 41 | #include <X11/extensions/XKBproto.h> |
| 42 | #include "XKBlibint.h" |
| 43 | |
| 44 | #define AllMods((1<<0)|(1<<1)|(1<<2)| (1<<3)|(1<< 4)|(1<<5)|(1<<6)|(1<<7)) (ShiftMask(1<<0)|LockMask(1<<1)|ControlMask(1<<2)| \ |
| 45 | Mod1Mask(1<<3)|Mod2Mask(1<<4)|Mod3Mask(1<<5)|Mod4Mask(1<<6)|Mod5Mask(1<<7)) |
| 46 | |
| 47 | static int _XkbLoadDpy(Display *dpy); |
| 48 | |
| 49 | struct _XKeytrans { |
| 50 | struct _XKeytrans *next; /* next on list */ |
| 51 | char *string; /* string to return when the time comes */ |
| 52 | int len; /* length of string (since NULL is legit) */ |
| 53 | KeySym key; /* keysym rebound */ |
| 54 | unsigned int state; /* modifier state */ |
| 55 | KeySym *modifiers; /* modifier keysyms you want */ |
| 56 | int mlen; /* length of modifier list */ |
| 57 | }; |
| 58 | |
| 59 | KeySym |
| 60 | XkbKeycodeToKeysym(Display *dpy, |
| 61 | #if NeedWidePrototypes1 |
| 62 | unsigned int kc, |
| 63 | #else |
| 64 | KeyCode kc, |
| 65 | #endif |
| 66 | int group, |
| 67 | int level) |
| 68 | { |
| 69 | XkbDescRec *xkb; |
| 70 | |
| 71 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy )))) |
| 72 | return NoSymbol0L; |
| 73 | |
| 74 | _XkbCheckPendingRefresh(dpy, dpy->xkb_info){ if ((dpy->xkb_info)->flags&(1<<1)) _XkbReloadDpy ((dpy)); else if ((dpy->xkb_info)->flags&(1<< 0)) { if (XkbGetMapChanges((dpy),(dpy->xkb_info)->desc, &(dpy->xkb_info)->changes)==0) { if (((dpy))->lock_fns ) (*((dpy))->lock_fns->lock_display)((dpy)); (dpy->xkb_info )->changes.changed= 0; if (((dpy))->lock_fns) (*((dpy)) ->lock_fns->unlock_display)((dpy)); } } }; |
| 75 | |
| 76 | xkb = dpy->xkb_info->desc; |
| 77 | if ((kc < xkb->min_key_code) || (kc > xkb->max_key_code)) |
| 78 | return NoSymbol0L; |
| 79 | |
| 80 | if ((group < 0) || (level < 0) || (group >= XkbKeyNumGroups(xkb, kc)((((((xkb)->map)->key_sym_map[(kc)].group_info)&0x0f ))))) |
| 81 | return NoSymbol0L; |
| 82 | if (level >= XkbKeyGroupWidth(xkb, kc, group)(((&((xkb)->map)->types[(((xkb)->map)->key_sym_map [kc].kt_index[group&0x3])])->num_levels))) { |
| 83 | /* for compatibility with the core protocol, _always_ allow */ |
| 84 | /* two symbols in the first two groups. If either of the */ |
| 85 | /* two is of type ONE_LEVEL, just replicate the first symbol */ |
| 86 | if ((group > XkbGroup2Index1) || (XkbKeyGroupWidth(xkb, kc, group)(((&((xkb)->map)->types[(((xkb)->map)->key_sym_map [kc].kt_index[group&0x3])])->num_levels)) != 1) |
| 87 | || (level != 1)) { |
| 88 | return NoSymbol0L; |
| 89 | } |
| 90 | level = 0; |
| 91 | } |
| 92 | return XkbKeySymEntry(xkb, kc, level, group)((((&((xkb)->map)->syms[(((xkb)->map)->key_sym_map [(kc)].offset)]))[((((((xkb)->map)->key_sym_map[kc].width ))*(group))+(level))])); |
| 93 | } |
| 94 | |
| 95 | KeySym |
| 96 | XKeycodeToKeysym(Display *dpy, |
| 97 | #if NeedWidePrototypes1 |
| 98 | unsigned int kc, |
| 99 | #else |
| 100 | KeyCode kc, |
| 101 | #endif |
| 102 | int col) |
| 103 | { |
| 104 | XkbDescRec *xkb; |
| 105 | |
| 106 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy )))) |
| 107 | return _XKeycodeToKeysym(dpy, kc, col); |
| 108 | |
| 109 | _XkbCheckPendingRefresh(dpy, dpy->xkb_info){ if ((dpy->xkb_info)->flags&(1<<1)) _XkbReloadDpy ((dpy)); else if ((dpy->xkb_info)->flags&(1<< 0)) { if (XkbGetMapChanges((dpy),(dpy->xkb_info)->desc, &(dpy->xkb_info)->changes)==0) { if (((dpy))->lock_fns ) (*((dpy))->lock_fns->lock_display)((dpy)); (dpy->xkb_info )->changes.changed= 0; if (((dpy))->lock_fns) (*((dpy)) ->lock_fns->unlock_display)((dpy)); } } }; |
| 110 | |
| 111 | xkb = dpy->xkb_info->desc; |
| 112 | if ((kc < xkb->min_key_code) || (kc > xkb->max_key_code)) |
| 113 | return NoSymbol0L; |
| 114 | |
| 115 | if (col > 3) { |
| 116 | int lastSym, tmp, nGrp; |
| 117 | |
| 118 | lastSym = 3; |
| 119 | nGrp = XkbKeyNumGroups(xkb, kc)((((((xkb)->map)->key_sym_map[(kc)].group_info)&0x0f ))); |
| 120 | if ((nGrp > 0) && |
| 121 | ((tmp = XkbKeyGroupWidth(xkb, kc, XkbGroup1Index)(((&((xkb)->map)->types[(((xkb)->map)->key_sym_map [kc].kt_index[0&0x3])])->num_levels))) > 2)) { |
| 122 | if (col <= (lastSym + tmp - 2)) |
| 123 | return XkbKeycodeToKeysym(dpy, kc, XkbGroup1Index0, |
| 124 | col - lastSym + 2); |
| 125 | lastSym += tmp - 2; |
| 126 | } |
| 127 | if ((nGrp > 1) && |
| 128 | ((tmp = XkbKeyGroupWidth(xkb, kc, XkbGroup2Index)(((&((xkb)->map)->types[(((xkb)->map)->key_sym_map [kc].kt_index[1&0x3])])->num_levels))) > 2)) { |
| 129 | if (col <= (lastSym + tmp - 2)) |
| 130 | return XkbKeycodeToKeysym(dpy, kc, XkbGroup2Index1, |
| 131 | col - lastSym + 2); |
| 132 | lastSym += tmp - 2; |
| 133 | } |
| 134 | if (nGrp > 2) { |
| 135 | tmp = XkbKeyGroupWidth(xkb, kc, XkbGroup3Index)(((&((xkb)->map)->types[(((xkb)->map)->key_sym_map [kc].kt_index[2&0x3])])->num_levels)); |
| 136 | if (col <= lastSym + tmp) |
| 137 | return XkbKeycodeToKeysym(dpy, kc, XkbGroup3Index2, |
| 138 | col - lastSym); |
| 139 | lastSym += tmp; |
| 140 | } |
| 141 | if (nGrp > 3) { |
| 142 | tmp = XkbKeyGroupWidth(xkb, kc, XkbGroup4Index)(((&((xkb)->map)->types[(((xkb)->map)->key_sym_map [kc].kt_index[3&0x3])])->num_levels)); |
| 143 | if (col <= lastSym + tmp) |
| 144 | return XkbKeycodeToKeysym(dpy, kc, XkbGroup4Index3, |
| 145 | col - lastSym); |
| 146 | } |
| 147 | return NoSymbol0L; |
| 148 | } |
| 149 | return XkbKeycodeToKeysym(dpy, kc, (col >> 1), (col & 1)); |
| 150 | } |
| 151 | |
| 152 | KeyCode |
| 153 | XKeysymToKeycode(Display *dpy, KeySym ks) |
| 154 | { |
| 155 | register int i, j, gotOne; |
| 156 | |
| 157 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy )))) |
| 158 | return _XKeysymToKeycode(dpy, ks); |
| 159 | _XkbCheckPendingRefresh(dpy, dpy->xkb_info){ if ((dpy->xkb_info)->flags&(1<<1)) _XkbReloadDpy ((dpy)); else if ((dpy->xkb_info)->flags&(1<< 0)) { if (XkbGetMapChanges((dpy),(dpy->xkb_info)->desc, &(dpy->xkb_info)->changes)==0) { if (((dpy))->lock_fns ) (*((dpy))->lock_fns->lock_display)((dpy)); (dpy->xkb_info )->changes.changed= 0; if (((dpy))->lock_fns) (*((dpy)) ->lock_fns->unlock_display)((dpy)); } } }; |
| 160 | |
| 161 | j = 0; |
| 162 | do { |
| 163 | register XkbDescRec *xkb = dpy->xkb_info->desc; |
| 164 | gotOne = 0; |
| 165 | for (i = dpy->min_keycode; i <= dpy->max_keycode; i++) { |
| 166 | if (j < (int) XkbKeyNumSyms(xkb, i)(((((xkb)->map)->key_sym_map[(i)].width)*(((((xkb)-> map)->key_sym_map[(i)].group_info)&0x0f))))) { |
| 167 | gotOne = 1; |
| 168 | if ((XkbKeySym(xkb, i, j)(((&((xkb)->map)->syms[(((xkb)->map)->key_sym_map [(i)].offset)]))[j]) == ks)) |
| 169 | return i; |
| 170 | } |
| 171 | } |
| 172 | j++; |
| 173 | } while (gotOne); |
| 174 | return 0; |
| 175 | } |
| 176 | |
| 177 | static int |
| 178 | _XkbComputeModmap(Display *dpy) |
| 179 | { |
| 180 | register XkbDescPtr xkb; |
| 181 | |
| 182 | xkb = dpy->xkb_info->desc; |
| 183 | if (XkbGetUpdatedMap(dpy, XkbModifierMapMask(1<<2), xkb) == Success0) |
| 184 | return 1; |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | unsigned |
| 189 | XkbKeysymToModifiers(Display *dpy, KeySym ks) |
| 190 | { |
| 191 | XkbDescRec *xkb; |
| 192 | register int i, j; |
| 193 | register KeySym *pSyms; |
| 194 | CARD8 mods; |
| 195 | |
| 196 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy )))) |
| 197 | return _XKeysymToModifiers(dpy, ks); |
| 198 | _XkbCheckPendingRefresh(dpy, dpy->xkb_info){ if ((dpy->xkb_info)->flags&(1<<1)) _XkbReloadDpy ((dpy)); else if ((dpy->xkb_info)->flags&(1<< 0)) { if (XkbGetMapChanges((dpy),(dpy->xkb_info)->desc, &(dpy->xkb_info)->changes)==0) { if (((dpy))->lock_fns ) (*((dpy))->lock_fns->lock_display)((dpy)); (dpy->xkb_info )->changes.changed= 0; if (((dpy))->lock_fns) (*((dpy)) ->lock_fns->unlock_display)((dpy)); } } }; |
| 199 | |
| 200 | if (_XkbNeedModmap(dpy->xkb_info)((!(dpy->xkb_info)->desc->map)||(!(dpy->xkb_info) ->desc->map->modmap)) && (!_XkbComputeModmap(dpy))) |
| 201 | return _XKeysymToModifiers(dpy, ks); |
| 202 | |
| 203 | xkb = dpy->xkb_info->desc; |
| 204 | mods = 0; |
| 205 | for (i = xkb->min_key_code; i <= (int) xkb->max_key_code; i++) { |
| 206 | pSyms = XkbKeySymsPtr(xkb, i)((&((xkb)->map)->syms[(((xkb)->map)->key_sym_map [(i)].offset)])); |
| 207 | for (j = XkbKeyNumSyms(xkb, i)(((((xkb)->map)->key_sym_map[(i)].width)*(((((xkb)-> map)->key_sym_map[(i)].group_info)&0x0f)))) - 1; j >= 0; j--) { |
| 208 | if (pSyms[j] == ks) { |
| 209 | mods |= xkb->map->modmap[i]; |
| 210 | break; |
| 211 | } |
| 212 | } |
| 213 | } |
| 214 | return mods; |
| 215 | } |
| 216 | |
| 217 | KeySym |
| 218 | XLookupKeysym(register XKeyEvent * event, int col) |
| 219 | { |
| 220 | Display *dpy = event->display; |
| 221 | |
| 222 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy )))) |
| 223 | return _XLookupKeysym(event, col); |
| 224 | _XkbCheckPendingRefresh(dpy, dpy->xkb_info){ if ((dpy->xkb_info)->flags&(1<<1)) _XkbReloadDpy ((dpy)); else if ((dpy->xkb_info)->flags&(1<< 0)) { if (XkbGetMapChanges((dpy),(dpy->xkb_info)->desc, &(dpy->xkb_info)->changes)==0) { if (((dpy))->lock_fns ) (*((dpy))->lock_fns->lock_display)((dpy)); (dpy->xkb_info )->changes.changed= 0; if (((dpy))->lock_fns) (*((dpy)) ->lock_fns->unlock_display)((dpy)); } } }; |
| 225 | return XKeycodeToKeysym(dpy, event->keycode, col); |
| 226 | } |
| 227 | |
| 228 | /* |
| 229 | * Not a public entry point -- XkbTranslateKey is an obsolete name |
| 230 | * that is preserved here so that functions linked against the old |
| 231 | * version will continue to work in a shared library environment. |
| 232 | */ |
| 233 | int |
| 234 | XkbTranslateKey(register Display *dpy, |
| 235 | KeyCode key, |
| 236 | register unsigned int mods, |
| 237 | unsigned int *mods_rtrn, |
| 238 | KeySym *keysym_rtrn); |
| 239 | |
| 240 | int |
| 241 | XkbTranslateKey(register Display *dpy, |
| 242 | KeyCode key, |
| 243 | register unsigned int mods, |
| 244 | unsigned int *mods_rtrn, |
| 245 | KeySym *keysym_rtrn) |
| 246 | { |
| 247 | return XkbLookupKeySym(dpy, key, mods, mods_rtrn, keysym_rtrn); |
| 248 | } |
| 249 | |
| 250 | Boolint |
| 251 | XkbLookupKeySym(register Display *dpy, |
| 252 | KeyCode key, |
| 253 | register unsigned int mods, |
| 254 | unsigned int *mods_rtrn, |
| 255 | KeySym *keysym_rtrn) |
| 256 | { |
| 257 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy )))) |
| 258 | return _XTranslateKey(dpy, key, mods, mods_rtrn, keysym_rtrn); |
| 259 | _XkbCheckPendingRefresh(dpy, dpy->xkb_info){ if ((dpy->xkb_info)->flags&(1<<1)) _XkbReloadDpy ((dpy)); else if ((dpy->xkb_info)->flags&(1<< 0)) { if (XkbGetMapChanges((dpy),(dpy->xkb_info)->desc, &(dpy->xkb_info)->changes)==0) { if (((dpy))->lock_fns ) (*((dpy))->lock_fns->lock_display)((dpy)); (dpy->xkb_info )->changes.changed= 0; if (((dpy))->lock_fns) (*((dpy)) ->lock_fns->unlock_display)((dpy)); } } }; |
| 260 | return XkbTranslateKeyCode(dpy->xkb_info->desc, key, mods, mods_rtrn, |
| 261 | keysym_rtrn); |
| 262 | } |
| 263 | |
| 264 | Boolint |
| 265 | XkbTranslateKeyCode(register XkbDescPtr xkb, |
| 266 | KeyCode key, |
| 267 | register unsigned int mods, |
| 268 | unsigned int *mods_rtrn, |
| 269 | KeySym *keysym_rtrn) |
| 270 | { |
| 271 | XkbKeyTypeRec *type; |
| 272 | int col, nKeyGroups; |
| 273 | unsigned preserve, effectiveGroup; |
| 274 | KeySym *syms; |
| 275 | |
| 276 | if (mods_rtrn != NULL((void*)0)) |
| 277 | *mods_rtrn = 0; |
| 278 | |
| 279 | nKeyGroups = XkbKeyNumGroups(xkb, key)((((((xkb)->map)->key_sym_map[(key)].group_info)&0x0f ))); |
| 280 | if ((!XkbKeycodeInRange(xkb, key)(((key)>=(xkb)->min_key_code)&& ((key)<=(xkb )->max_key_code))) || (nKeyGroups == 0)) { |
| 281 | if (keysym_rtrn != NULL((void*)0)) |
| 282 | *keysym_rtrn = NoSymbol0L; |
| 283 | return False0; |
| 284 | } |
| 285 | |
| 286 | syms = XkbKeySymsPtr(xkb, key)((&((xkb)->map)->syms[(((xkb)->map)->key_sym_map [(key)].offset)])); |
| 287 | |
| 288 | /* find the offset of the effective group */ |
| 289 | col = 0; |
Value stored to 'col' is never read | |
| 290 | effectiveGroup = XkbGroupForCoreState(mods)(((mods)>>13)&0x3); |
| 291 | if (effectiveGroup >= nKeyGroups) { |
| 292 | unsigned groupInfo = XkbKeyGroupInfo(xkb, key)((((xkb)->map)->key_sym_map[(key)].group_info)); |
| 293 | |
| 294 | switch (XkbOutOfRangeGroupAction(groupInfo)((groupInfo)&0xc0)) { |
| 295 | default: |
| 296 | effectiveGroup %= nKeyGroups; |
| 297 | break; |
| 298 | case XkbClampIntoRange(0x40): |
| 299 | effectiveGroup = nKeyGroups - 1; |
| 300 | break; |
| 301 | case XkbRedirectIntoRange(0x80): |
| 302 | effectiveGroup = XkbOutOfRangeGroupNumber(groupInfo)(((groupInfo)&0x30)>>4); |
| 303 | if (effectiveGroup >= nKeyGroups) |
| 304 | effectiveGroup = 0; |
| 305 | break; |
| 306 | } |
| 307 | } |
| 308 | col = effectiveGroup * XkbKeyGroupsWidth(xkb, key)((((xkb)->map)->key_sym_map[key].width)); |
| 309 | type = XkbKeyKeyType(xkb, key, effectiveGroup)((&((xkb)->map)->types[(((xkb)->map)->key_sym_map [key].kt_index[effectiveGroup&0x3])])); |
| 310 | |
| 311 | preserve = 0; |
| 312 | if (type->map) { /* find the column (shift level) within the group */ |
| 313 | register int i; |
| 314 | register XkbKTMapEntryPtr entry; |
| 315 | |
| 316 | for (i = 0, entry = type->map; i < type->map_count; i++, entry++) { |
| 317 | if ((entry->active) && |
| 318 | ((mods & type->mods.mask) == entry->mods.mask)) { |
| 319 | col += entry->level; |
| 320 | if (type->preserve) |
| 321 | preserve = type->preserve[i].mask; |
| 322 | break; |
| 323 | } |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | if (keysym_rtrn != NULL((void*)0)) |
| 328 | *keysym_rtrn = syms[col]; |
| 329 | if (mods_rtrn) { |
| 330 | *mods_rtrn = type->mods.mask & (~preserve); |
| 331 | /* The Motif VTS doesn't get the help callback called if help |
| 332 | * is bound to Shift+<whatever>, and it appears as though it |
| 333 | * is XkbTranslateKeyCode that is causing the problem. The |
| 334 | * core X version of XTranslateKey always OR's in ShiftMask |
| 335 | * and LockMask for mods_rtrn, so this "fix" keeps this behavior |
| 336 | * and solves the VTS problem. |
| 337 | */ |
| 338 | if ((xkb->dpy) && (xkb->dpy->xkb_info) && |
| 339 | (xkb->dpy->xkb_info-> |
| 340 | xlib_ctrls & XkbLC_AlwaysConsumeShiftAndLock(1<<2))) { |
| 341 | *mods_rtrn |= (ShiftMask(1<<0) | LockMask(1<<1)); |
| 342 | } |
| 343 | } |
| 344 | return (syms[col] != NoSymbol0L); |
| 345 | } |
| 346 | |
| 347 | Statusint |
| 348 | XkbRefreshKeyboardMapping(register XkbMapNotifyEvent * event) |
| 349 | { |
| 350 | Display *dpy = event->display; |
| 351 | XkbInfoPtr xkbi; |
| 352 | |
| 353 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy )))) { |
| 354 | _XRefreshKeyboardMapping((XMappingEvent *) event); |
| 355 | return Success0; |
| 356 | } |
| 357 | xkbi = dpy->xkb_info; |
| 358 | |
| 359 | if (((event->type & 0x7f) - xkbi->codes->first_event) != XkbEventCode0) |
| 360 | return BadMatch8; |
| 361 | if (event->xkb_type == XkbNewKeyboardNotify0) { |
| 362 | _XkbReloadDpy(dpy); |
| 363 | return Success0; |
| 364 | } |
| 365 | if (event->xkb_type == XkbMapNotify1) { |
| 366 | XkbMapChangesRec changes; |
| 367 | Statusint rtrn; |
| 368 | |
| 369 | if (xkbi->flags & XkbMapPending(1<<0)) |
| 370 | changes = xkbi->changes; |
| 371 | else |
| 372 | bzero(&changes, sizeof(changes))__builtin___memset_chk (&changes, 0, sizeof(changes), __builtin_object_size (&changes, 0)); |
| 373 | XkbNoteMapChanges(&changes, event, XKB_XLIB_MAP_MASK(((1<<0)|(1<<1)|(1<<2)))); |
| 374 | if ((rtrn = XkbGetMapChanges(dpy, xkbi->desc, &changes)) != Success0) { |
| 375 | #ifdef DEBUG |
| 376 | fprintf(stderr__stderrp, "Internal Error! XkbGetMapChanges failed:\n"); |
| 377 | #endif |
| 378 | xkbi->changes = changes; |
| 379 | } |
| 380 | else if (xkbi->flags & XkbMapPending(1<<0)) { |
| 381 | xkbi->flags &= ~XkbMapPending(1<<0); |
| 382 | bzero(&xkbi->changes, sizeof(XkbMapChangesRec))__builtin___memset_chk (&xkbi->changes, 0, sizeof(XkbMapChangesRec ), __builtin_object_size (&xkbi->changes, 0)); |
| 383 | } |
| 384 | return rtrn; |
| 385 | } |
| 386 | return BadMatch8; |
| 387 | } |
| 388 | |
| 389 | int |
| 390 | XRefreshKeyboardMapping(register XMappingEvent * event) |
| 391 | { |
| 392 | XkbEvent *xkbevent = (XkbEvent *) event; |
| 393 | Display *dpy = event->display; |
| 394 | XkbMapChangesRec changes; |
| 395 | XkbInfoPtr xkbi; |
| 396 | |
| 397 | /* always do this for input methods, which still use the old keymap */ |
| 398 | (void) _XRefreshKeyboardMapping(event); |
| 399 | |
| 400 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy )))) |
| 401 | return 1; |
| 402 | |
| 403 | xkbi = dpy->xkb_info; |
| 404 | |
| 405 | if (((event->type & 0x7f) - xkbi->codes->first_event) == XkbEventCode0) |
| 406 | return XkbRefreshKeyboardMapping(&xkbevent->map); |
| 407 | |
| 408 | if (xkbi->flags & XkbXlibNewKeyboard(1<<1)) { |
| 409 | _XkbReloadDpy(dpy); |
| 410 | return 1; |
| 411 | } |
| 412 | |
| 413 | if ((xkbi->flags & XkbMapPending(1<<0)) || (event->request == MappingKeyboard1)) { |
| 414 | if (xkbi->flags & XkbMapPending(1<<0)) { |
| 415 | changes = xkbi->changes; |
| 416 | _XkbNoteCoreMapChanges(&changes, event, XKB_XLIB_MAP_MASK(((1<<0)|(1<<1)|(1<<2)))); |
| 417 | } |
| 418 | else { |
| 419 | bzero(&changes, sizeof(changes))__builtin___memset_chk (&changes, 0, sizeof(changes), __builtin_object_size (&changes, 0)); |
| 420 | changes.changed = XkbKeySymsMask(1<<1); |
| 421 | if (xkbi->desc->min_key_code < xkbi->desc->max_key_code) { |
| 422 | changes.first_key_sym = xkbi->desc->min_key_code; |
| 423 | changes.num_key_syms = xkbi->desc->max_key_code - |
| 424 | xkbi->desc->min_key_code + 1; |
| 425 | } |
| 426 | else { |
| 427 | changes.first_key_sym = event->first_keycode; |
| 428 | changes.num_key_syms = event->count; |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | if (XkbGetMapChanges(dpy, xkbi->desc, &changes) != Success0) { |
| 433 | #ifdef DEBUG |
| 434 | fprintf(stderr__stderrp, "Internal Error! XkbGetMapChanges failed:\n"); |
| 435 | if (changes.changed & XkbKeyTypesMask(1<<0)) { |
| 436 | int first = changes.first_type; |
| 437 | int last = changes.first_type + changes.num_types - 1; |
| 438 | |
| 439 | fprintf(stderr__stderrp, " types: %d..%d\n", first, last); |
| 440 | } |
| 441 | if (changes.changed & XkbKeySymsMask(1<<1)) { |
| 442 | int first = changes.first_key_sym; |
| 443 | int last = changes.first_key_sym + changes.num_key_syms - 1; |
| 444 | |
| 445 | fprintf(stderr__stderrp, " symbols: %d..%d\n", first, last); |
| 446 | } |
| 447 | if (changes.changed & XkbKeyActionsMask(1<<4)) { |
| 448 | int first = changes.first_key_act; |
| 449 | int last = changes.first_key_act + changes.num_key_acts - 1; |
| 450 | |
| 451 | fprintf(stderr__stderrp, " acts: %d..%d\n", first, last); |
| 452 | } |
| 453 | if (changes.changed & XkbKeyBehaviorsMask(1<<5)) { |
| 454 | int first = changes.first_key_behavior; |
| 455 | int last = first + changes.num_key_behaviors - 1; |
| 456 | |
| 457 | fprintf(stderr__stderrp, " behaviors: %d..%d\n", first, last); |
| 458 | } |
| 459 | if (changes.changed & XkbVirtualModsMask(1<<6)) { |
| 460 | fprintf(stderr__stderrp, "virtual mods: 0x%04x\n", changes.vmods); |
| 461 | } |
| 462 | if (changes.changed & XkbExplicitComponentsMask(1<<3)) { |
| 463 | int first = changes.first_key_explicit; |
| 464 | int last = first + changes.num_key_explicit - 1; |
| 465 | |
| 466 | fprintf(stderr__stderrp, " explicit: %d..%d\n", first, last); |
| 467 | } |
| 468 | #endif |
| 469 | } |
| 470 | LockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->lock_display )(dpy); |
| 471 | if (xkbi->flags & XkbMapPending(1<<0)) { |
| 472 | xkbi->flags &= ~XkbMapPending(1<<0); |
| 473 | bzero(&xkbi->changes, sizeof(XkbMapChangesRec))__builtin___memset_chk (&xkbi->changes, 0, sizeof(XkbMapChangesRec ), __builtin_object_size (&xkbi->changes, 0)); |
| 474 | } |
| 475 | UnlockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->unlock_display )(dpy); |
| 476 | } |
| 477 | if (event->request == MappingModifier0) { |
| 478 | LockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->lock_display )(dpy); |
| 479 | if (xkbi->desc->map->modmap) { |
| 480 | _XkbFree(xkbi->desc->map->modmap)free((xkbi->desc->map->modmap)); |
| 481 | xkbi->desc->map->modmap = NULL((void*)0); |
| 482 | } |
| 483 | if (dpy->key_bindings) { |
| 484 | register struct _XKeytrans *p; |
| 485 | |
| 486 | for (p = dpy->key_bindings; p; p = p->next) { |
| 487 | register int i; |
| 488 | |
| 489 | p->state = 0; |
| 490 | if (p->mlen > 0) { |
| 491 | for (i = 0; i < p->mlen; i++) { |
| 492 | p->state |= XkbKeysymToModifiers(dpy, p->modifiers[i]); |
| 493 | } |
| 494 | if (p->state) |
| 495 | p->state &= AllMods((1<<0)|(1<<1)|(1<<2)| (1<<3)|(1<< 4)|(1<<5)|(1<<6)|(1<<7)); |
| 496 | else |
| 497 | p->state = AnyModifier(1<<15); |
| 498 | } |
| 499 | } |
| 500 | } |
| 501 | UnlockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->unlock_display )(dpy); |
| 502 | } |
| 503 | return 1; |
| 504 | } |
| 505 | |
| 506 | static int |
| 507 | _XkbLoadDpy(Display *dpy) |
| 508 | { |
| 509 | XkbInfoPtr xkbi; |
| 510 | unsigned query, oldEvents; |
| 511 | XkbDescRec *desc; |
| 512 | |
| 513 | if (!XkbUseExtension(dpy, NULL((void*)0), NULL((void*)0))) |
| 514 | return 0; |
| 515 | |
| 516 | xkbi = dpy->xkb_info; |
| 517 | query = XkbAllClientInfoMask((1<<0)|(1<<1)|(1<<2)); |
| 518 | desc = XkbGetMap(dpy, query, XkbUseCoreKbd0x0100); |
| 519 | if (!desc) { |
| 520 | #ifdef DEBUG |
| 521 | fprintf(stderr__stderrp, "Warning! XkbGetMap failed!\n"); |
| 522 | #endif |
| 523 | return 0; |
| 524 | } |
| 525 | LockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->lock_display )(dpy); |
| 526 | xkbi->desc = desc; |
| 527 | |
| 528 | UnlockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->unlock_display )(dpy); |
| 529 | oldEvents = xkbi->selected_events; |
| 530 | if (!(xkbi->xlib_ctrls & XkbLC_IgnoreNewKeyboards(1<<3))) { |
| 531 | XkbSelectEventDetails(dpy, xkbi->desc->device_spec, |
| 532 | XkbNewKeyboardNotify0, |
| 533 | XkbNKN_KeycodesMask(1L << 0) | XkbNKN_DeviceIDMask(1L << 2), |
| 534 | XkbNKN_KeycodesMask(1L << 0) | XkbNKN_DeviceIDMask(1L << 2)); |
| 535 | } |
| 536 | XkbSelectEventDetails(dpy, xkbi->desc->device_spec, XkbMapNotify1, |
| 537 | XkbAllClientInfoMask((1<<0)|(1<<1)|(1<<2)), XkbAllClientInfoMask((1<<0)|(1<<1)|(1<<2))); |
| 538 | LockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->lock_display )(dpy); |
| 539 | xkbi->selected_events = oldEvents; |
| 540 | UnlockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->unlock_display )(dpy); |
| 541 | return 1; |
| 542 | } |
| 543 | |
| 544 | void |
| 545 | _XkbReloadDpy(Display *dpy) |
| 546 | { |
| 547 | XkbInfoPtr xkbi; |
| 548 | XkbDescRec *desc; |
| 549 | unsigned oldDeviceID; |
| 550 | |
| 551 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy )))) |
| 552 | return; |
| 553 | |
| 554 | xkbi = dpy->xkb_info; |
| 555 | LockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->lock_display )(dpy); |
| 556 | if (xkbi->desc) { |
| 557 | oldDeviceID = xkbi->desc->device_spec; |
| 558 | XkbFreeKeyboard(xkbi->desc, XkbAllComponentsMask(0x7f), True1); |
| 559 | xkbi->desc = NULL((void*)0); |
| 560 | xkbi->flags &= ~(XkbMapPending(1<<0) | XkbXlibNewKeyboard(1<<1)); |
| 561 | xkbi->changes.changed = 0; |
| 562 | } |
| 563 | else |
| 564 | oldDeviceID = XkbUseCoreKbd0x0100; |
| 565 | UnlockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->unlock_display )(dpy); |
| 566 | desc = XkbGetMap(dpy, XkbAllClientInfoMask((1<<0)|(1<<1)|(1<<2)), XkbUseCoreKbd0x0100); |
| 567 | if (!desc) |
| 568 | return; |
| 569 | LockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->lock_display )(dpy); |
| 570 | xkbi->desc = desc; |
| 571 | UnlockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->unlock_display )(dpy); |
| 572 | |
| 573 | if (desc->device_spec != oldDeviceID) { |
| 574 | /* transfer(?) event masks here */ |
| 575 | #ifdef NOTYET |
| 576 | unsigned oldEvents; |
| 577 | |
| 578 | oldEvents = xkbi->selected_events; |
| 579 | XkbSelectEventDetails(dpy, xkbi->desc->device_spec, XkbMapNotify1, |
| 580 | XkbAllMapComponentsMask(((1<<0)|(1<<1)|(1<<2))|((1<<3)|(1<< 4)|(1<<5)|(1<<6)|(1<<7))), XkbAllClientInfoMask((1<<0)|(1<<1)|(1<<2))); |
| 581 | LockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->lock_display )(dpy); |
| 582 | xkbi->selected_events = oldEvents; |
| 583 | UnlockDisplay(dpy)if ((dpy)->lock_fns) (*(dpy)->lock_fns->unlock_display )(dpy); |
| 584 | #endif |
| 585 | } |
| 586 | return; |
| 587 | } |
| 588 | |
| 589 | int |
| 590 | XkbTranslateKeySym(register Display *dpy, |
| 591 | register KeySym *sym_rtrn, |
| 592 | unsigned int mods, |
| 593 | char *buffer, |
| 594 | int nbytes, |
| 595 | int *extra_rtrn) |
| 596 | { |
| 597 | register XkbInfoPtr xkb; |
| 598 | XkbKSToMBFunc cvtr; |
| 599 | XPointer priv; |
| 600 | char tmp[4]; |
| 601 | int n; |
| 602 | |
| 603 | xkb = dpy->xkb_info; |
| 604 | if (!xkb->cvt.KSToMB) { |
| 605 | _XkbGetConverters(_XkbGetCharset(), &xkb->cvt); |
| 606 | _XkbGetConverters("ISO8859-1", &xkb->latin1cvt); |
| 607 | } |
| 608 | |
| 609 | if (extra_rtrn) |
| 610 | *extra_rtrn = 0; |
| 611 | |
| 612 | if ((buffer == NULL((void*)0)) || (nbytes == 0)) { |
| 613 | buffer = tmp; |
| 614 | nbytes = 4; |
| 615 | } |
| 616 | |
| 617 | /* see if symbol rebound, if so, return that string. */ |
| 618 | n = XkbLookupKeyBinding(dpy, *sym_rtrn, mods, buffer, nbytes, extra_rtrn); |
| 619 | if (n) |
| 620 | return n; |
| 621 | |
| 622 | if (nbytes > 0) |
| 623 | buffer[0] = '\0'; |
| 624 | |
| 625 | if (xkb->cvt.KSToUpper && (mods & LockMask(1<<1))) { |
| 626 | *sym_rtrn = (*xkb->cvt.KSToUpper) (*sym_rtrn); |
| 627 | } |
| 628 | if (xkb->xlib_ctrls & XkbLC_ForceLatin1Lookup(1<<0)) { |
| 629 | cvtr = xkb->latin1cvt.KSToMB; |
| 630 | priv = xkb->latin1cvt.KSToMBPriv; |
| 631 | } |
| 632 | else { |
| 633 | cvtr = xkb->cvt.KSToMB; |
| 634 | priv = xkb->cvt.KSToMBPriv; |
| 635 | } |
| 636 | |
| 637 | n = (*cvtr) (priv, *sym_rtrn, buffer, nbytes, extra_rtrn); |
| 638 | |
| 639 | if ((!xkb->cvt.KSToUpper) && (mods & LockMask(1<<1))) { |
| 640 | register int i; |
| 641 | int change; |
| 642 | |
| 643 | for (i = change = 0; i < n; i++) { |
| 644 | char ch = toupper(buffer[i]); |
| 645 | change = (change || (buffer[i] != ch)); |
| 646 | buffer[i] = ch; |
| 647 | } |
| 648 | if (change) { |
| 649 | if (n == 1) |
| 650 | *sym_rtrn = |
| 651 | (*xkb->cvt.MBToKS) (xkb->cvt.MBToKSPriv, buffer, n, NULL((void*)0)); |
| 652 | else |
| 653 | *sym_rtrn = NoSymbol0L; |
| 654 | } |
| 655 | } |
| 656 | |
| 657 | if (mods & ControlMask(1<<2)) { |
| 658 | if (n == 1) { |
| 659 | buffer[0] = XkbToControl(buffer[0]); |
| 660 | if (nbytes > 1) |
| 661 | buffer[1] = '\0'; |
| 662 | return 1; |
| 663 | } |
| 664 | if (nbytes > 0) |
| 665 | buffer[0] = '\0'; |
| 666 | return 0; |
| 667 | } |
| 668 | return n; |
| 669 | } |
| 670 | |
| 671 | int |
| 672 | XLookupString(register XKeyEvent *event, |
| 673 | char *buffer, |
| 674 | int nbytes, |
| 675 | KeySym *keysym, |
| 676 | XComposeStatus *status) |
| 677 | { |
| 678 | KeySym dummy; |
| 679 | int rtrnLen; |
| 680 | unsigned int new_mods; |
| 681 | Display *dpy = event->display; |
| 682 | |
| 683 | if (keysym == NULL((void*)0)) |
| 684 | keysym = &dummy; |
| 685 | if (!XkbLookupKeySym(dpy, event->keycode, event->state, &new_mods, keysym)) |
| 686 | return 0; |
| 687 | new_mods = (event->state & (~new_mods)); |
| 688 | |
| 689 | /* find the group where a symbol can be converted to control one */ |
| 690 | if (new_mods & ControlMask(1<<2) && *keysym > 0x7F && |
| 691 | (dpy->xkb_info->xlib_ctrls & XkbLC_ControlFallback(1<<4))) { |
| 692 | XKeyEvent tmp_ev = *event; |
| 693 | KeySym tmp_keysym; |
| 694 | unsigned int tmp_new_mods; |
| 695 | |
| 696 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy )))) { |
| 697 | tmp_ev.state = event->state ^ dpy->mode_switch; |
| 698 | if (XkbLookupKeySym(dpy, tmp_ev.keycode, tmp_ev.state, |
| 699 | &tmp_new_mods, &tmp_keysym) && |
| 700 | tmp_keysym != NoSymbol0L && tmp_keysym < 0x80) { |
| 701 | *keysym = tmp_keysym; |
| 702 | } |
| 703 | } |
| 704 | else { |
| 705 | int n = XkbKeyNumGroups(dpy->xkb_info->desc, tmp_ev.keycode)((((((dpy->xkb_info->desc)->map)->key_sym_map[(tmp_ev .keycode)].group_info)&0x0f))); |
| 706 | int i; |
| 707 | |
| 708 | for (i = 0; i < n; i++) { |
| 709 | if (XkbGroupForCoreState(event->state)(((event->state)>>13)&0x3) == i) |
| 710 | continue; |
| 711 | tmp_ev.state = XkbBuildCoreState(tmp_ev.state, i)((((i)&0x3)<<13)|((tmp_ev.state)&0xff)); |
| 712 | if (XkbLookupKeySym(dpy, tmp_ev.keycode, tmp_ev.state, |
| 713 | &tmp_new_mods, &tmp_keysym) && |
| 714 | tmp_keysym != NoSymbol0L && tmp_keysym < 0x80) { |
| 715 | *keysym = tmp_keysym; |
| 716 | new_mods = (event->state & (~tmp_new_mods)); |
| 717 | break; |
| 718 | } |
| 719 | } |
| 720 | } |
| 721 | } |
| 722 | |
| 723 | /* We *should* use the new_mods (which does not contain any modifiers */ |
| 724 | /* that were used to compute the symbol here, but pre-XKB XLookupString */ |
| 725 | /* did not and we have to remain compatible. Sigh. */ |
| 726 | if (_XkbUnavailable(dpy)(((dpy)->flags&(1L << 2)) || ((!(dpy)->xkb_info || (!(dpy)->xkb_info->desc)) && !_XkbLoadDpy(dpy ))) || |
| 727 | (dpy->xkb_info->xlib_ctrls & XkbLC_ConsumeLookupMods(1<<1)) == 0) |
| 728 | new_mods = event->state; |
| 729 | |
| 730 | rtrnLen = XkbLookupKeyBinding(dpy, *keysym, new_mods, buffer, nbytes, NULL((void*)0)); |
| 731 | if (rtrnLen > 0) |
| 732 | return rtrnLen; |
| 733 | |
| 734 | return XkbTranslateKeySym(dpy, keysym, new_mods, buffer, nbytes, NULL((void*)0)); |
| 735 | } |
| 736 | |
| 737 | |
| 738 | int |
| 739 | XkbLookupKeyBinding(Display *dpy, |
| 740 | register KeySym sym, |
| 741 | unsigned int mods, |
| 742 | char *buffer, |
| 743 | int nbytes, |
| 744 | int *extra_rtrn) |
| 745 | { |
| 746 | register struct _XKeytrans *p; |
| 747 | |
| 748 | if (extra_rtrn) |
| 749 | *extra_rtrn = 0; |
| 750 | for (p = dpy->key_bindings; p; p = p->next) { |
| 751 | if (((mods & AllMods((1<<0)|(1<<1)|(1<<2)| (1<<3)|(1<< 4)|(1<<5)|(1<<6)|(1<<7))) == p->state) && (sym == p->key)) { |
| 752 | int tmp = p->len; |
| 753 | |
| 754 | if (tmp > nbytes) { |
| 755 | if (extra_rtrn) |
| 756 | *extra_rtrn = (tmp - nbytes); |
| 757 | tmp = nbytes; |
| 758 | } |
| 759 | memcpy(buffer, p->string, tmp)__builtin___memcpy_chk (buffer, p->string, tmp, __builtin_object_size (buffer, 0)); |
| 760 | if (tmp < nbytes) |
| 761 | buffer[tmp] = '\0'; |
| 762 | return tmp; |
| 763 | } |
| 764 | } |
| 765 | return 0; |
| 766 | } |
| 767 | |
| 768 | char |
| 769 | XkbToControl(char ch) |
| 770 | { |
| 771 | register char c = ch; |
| 772 | |
| 773 | if ((c >= '@' && c < '\177') || c == ' ') |
| 774 | c &= 0x1F; |
| 775 | else if (c == '2') |
| 776 | c = '\000'; |
| 777 | else if (c >= '3' && c <= '7') |
| 778 | c -= ('3' - '\033'); |
| 779 | else if (c == '8') |
| 780 | c = '\177'; |
| 781 | else if (c == '/') |
| 782 | c = '_' & 0x1F; |
| 783 | return c; |
| 784 | } |