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| 63 | #ifdef HAVE_CONFIG_H1 |
| 64 | #include <config.h> |
| 65 | #endif |
| 66 | #include <stdio.h> |
| 67 | #include "Xlibint.h" |
| 68 | #include "Xlcint.h" |
| 69 | #include "XlcGeneric.h" |
| 70 | |
| 71 | #ifndef MAXINT(~((unsigned int)1 << (8 * sizeof(int)) - 1)) |
| 72 | #define MAXINT(~((unsigned int)1 << (8 * sizeof(int)) - 1)) (~((unsigned int)1 << (8 * sizeof(int)) - 1)) |
| 73 | #endif /* !MAXINT */ |
| 74 | |
| 75 | typedef struct _StaticXIM *StaticXIM; |
| 76 | |
| 77 | typedef struct _XIMStaticXIMRec { |
| 78 | |
| 79 | XlcConv ctom_conv; |
| 80 | XlcConv ctow_conv; |
| 81 | } XIMStaticXIMRec; |
| 82 | |
| 83 | typedef enum { |
| 84 | CREATE_IC = 1, |
| 85 | SET_ICVAL = 2, |
| 86 | GET_ICVAL = 3 |
| 87 | } XICOp_t; |
| 88 | |
| 89 | typedef struct _StaticXIM { |
| 90 | XIMMethods methods; |
| 91 | XIMCoreRec core; |
| 92 | XIMStaticXIMRec *private; |
| 93 | } StaticXIMRec; |
| 94 | |
| 95 | static Statusint _CloseIM( |
| 96 | XIM |
| 97 | ); |
| 98 | |
| 99 | static char *_SetIMValues( |
| 100 | XIM, XIMArg * |
| 101 | ); |
| 102 | |
| 103 | static char *_GetIMValues( |
| 104 | XIM, XIMArg* |
| 105 | ); |
| 106 | |
| 107 | static XIC _CreateIC( |
| 108 | XIM, XIMArg* |
| 109 | ); |
| 110 | |
| 111 | static _Xconstconst XIMMethodsRec local_im_methods = { |
| 112 | _CloseIM, |
| 113 | _SetIMValues, |
| 114 | _GetIMValues, |
| 115 | _CreateIC, |
| 116 | NULL((void*)0), |
| 117 | NULL((void*)0) |
| 118 | }; |
| 119 | |
| 120 | static void _DestroyIC( |
| 121 | XIC |
| 122 | ); |
| 123 | static void _SetFocus( |
| 124 | XIC |
| 125 | ); |
| 126 | static void _UnsetFocus( |
| 127 | XIC |
| 128 | ); |
| 129 | static char* _SetICValues( |
| 130 | XIC, XIMArg * |
| 131 | ); |
| 132 | static char* _GetICValues( |
| 133 | XIC, XIMArg * |
| 134 | ); |
| 135 | static char *_MbReset( |
| 136 | XIC |
| 137 | ); |
| 138 | static wchar_t *_WcReset( |
| 139 | XIC |
| 140 | ); |
| 141 | static int _MbLookupString( |
| 142 | XIC, XKeyEvent *, char *, int, KeySym *, Statusint * |
| 143 | ); |
| 144 | static int _WcLookupString( |
| 145 | XIC, XKeyEvent *, wchar_t *, int, KeySym *, Statusint * |
| 146 | ); |
| 147 | |
| 148 | static _Xconstconst XICMethodsRec local_ic_methods = { |
| 149 | _DestroyIC, |
| 150 | _SetFocus, |
| 151 | _UnsetFocus, |
| 152 | _SetICValues, |
| 153 | _GetICValues, |
| 154 | _MbReset, |
| 155 | _WcReset, |
| 156 | NULL((void*)0), |
| 157 | _MbLookupString, |
| 158 | _WcLookupString, |
| 159 | NULL((void*)0) |
| 160 | }; |
| 161 | |
| 162 | XIM |
| 163 | _XDefaultOpenIM( |
| 164 | XLCd lcd, |
| 165 | Display *dpy, |
| 166 | XrmDatabase rdb, |
| 167 | char *res_name, |
| 168 | char *res_class) |
| 169 | { |
| 170 | StaticXIM im; |
| 171 | int i; |
| 172 | char *mod; |
| 173 | char buf[BUFSIZ1024]; |
| 174 | |
| 175 | if ((im = Xcalloc(1, sizeof(StaticXIMRec))calloc(((1) == 0 ? 1 : (1)), (sizeof(StaticXIMRec)))) == NULL((void*)0)) |
| |
| 176 | return NULL((void*)0); |
| 177 | |
| 178 | if ((im->private = Xcalloc(1, sizeof(XIMStaticXIMRec))calloc(((1) == 0 ? 1 : (1)), (sizeof(XIMStaticXIMRec)))) == NULL((void*)0)) |
| 2 | | Value assigned to field 'private' | |
|
| 3 | | Assuming pointer value is null | |
|
| |
| 179 | goto Error; |
| 5 | | Control jumps to line 226 | |
|
| 180 | |
| 181 | if ((im->private->ctom_conv = _XlcOpenConverter(lcd, XlcNCompoundText"compoundText", |
| 182 | lcd, XlcNMultiByte"multiByte")) |
| 183 | == NULL((void*)0)) |
| 184 | goto Error; |
| 185 | |
| 186 | if ((im->private->ctow_conv = _XlcOpenConverter(lcd, XlcNCompoundText"compoundText", |
| 187 | lcd, XlcNWideChar"wideChar")) |
| 188 | == NULL((void*)0)) |
| 189 | goto Error; |
| 190 | |
| 191 | buf[0] = '\0'; |
| 192 | i = 0; |
| 193 | if ((lcd->core->modifiers) && (*lcd->core->modifiers)) { |
| 194 | #define MODIFIER "@im=" |
| 195 | mod = strstr(lcd->core->modifiers, MODIFIER); |
| 196 | if (mod) { |
| 197 | mod += strlen(MODIFIER); |
| 198 | while (*mod && *mod != '@' && i < BUFSIZ1024 - 1) { |
| 199 | buf[i++] = *mod++; |
| 200 | } |
| 201 | buf[i] = '\0'; |
| 202 | } |
| 203 | } |
| 204 | #undef MODIFIER |
| 205 | if ((im->core.im_name = strdup(buf)) == NULL((void*)0)) |
| 206 | goto Error; |
| 207 | |
| 208 | im->methods = (XIMMethods)&local_im_methods; |
| 209 | im->core.lcd = lcd; |
| 210 | im->core.ic_chain = (XIC)NULL((void*)0); |
| 211 | im->core.display = dpy; |
| 212 | im->core.rdb = rdb; |
| 213 | im->core.res_name = NULL((void*)0); |
| 214 | im->core.res_class = NULL((void*)0); |
| 215 | |
| 216 | if ((res_name != NULL((void*)0)) && (*res_name != '\0')){ |
| 217 | im->core.res_name = strdup(res_name); |
| 218 | } |
| 219 | if ((res_class != NULL((void*)0)) && (*res_class != '\0')){ |
| 220 | im->core.res_class = strdup(res_class); |
| 221 | } |
| 222 | |
| 223 | return (XIM)im; |
| 224 | |
| 225 | Error: |
| 226 | _CloseIM((XIM)im); |
| |
| 227 | Xfree(im)free((im)); |
| 228 | return(NULL((void*)0)); |
| 229 | } |
| 230 | |
| 231 | static Statusint |
| 232 | _CloseIM(XIM xim) |
| 233 | { |
| 234 | StaticXIM im = (StaticXIM)xim; |
| 235 | |
| 236 | if (im->private->ctom_conv != NULL((void*)0)) |
| 7 | | Access to field 'ctom_conv' results in a dereference of a null pointer (loaded from field 'private') |
|
| 237 | _XlcCloseConverter(im->private->ctom_conv); |
| 238 | if (im->private->ctow_conv != NULL((void*)0)) |
| 239 | _XlcCloseConverter(im->private->ctow_conv); |
| 240 | XFree(im->private); |
| 241 | XFree(im->core.im_name); |
| 242 | XFree(im->core.res_name); |
| 243 | XFree(im->core.res_class); |
| 244 | return 1; |
| 245 | } |
| 246 | |
| 247 | static char * |
| 248 | _SetIMValues( |
| 249 | XIM xim, |
| 250 | XIMArg *arg) |
| 251 | { |
| 252 | return(arg->name); |
| 253 | } |
| 254 | |
| 255 | static char * |
| 256 | _GetIMValues( |
| 257 | XIM xim, |
| 258 | XIMArg *values) |
| 259 | { |
| 260 | XIMArg *p; |
| 261 | XIMStyles *styles; |
| 262 | |
| 263 | for (p = values; p->name != NULL((void*)0); p++) { |
| 264 | if (strcmp(p->name, XNQueryInputStyle"queryInputStyle") == 0) { |
| 265 | styles = Xmalloc(sizeof(XIMStyles))malloc(((sizeof(XIMStyles)) == 0 ? 1 : (sizeof(XIMStyles)))); |
| 266 | *(XIMStyles **)p->value = styles; |
| 267 | styles->count_styles = 1; |
| 268 | styles->supported_styles = |
| 269 | Xmalloc(styles->count_styles * sizeof(XIMStyle))malloc(((styles->count_styles * sizeof(XIMStyle)) == 0 ? 1 : (styles->count_styles * sizeof(XIMStyle)))); |
| 270 | styles->supported_styles[0] = (XIMPreeditNone0x0010L | XIMStatusNone0x0800L); |
| 271 | } else { |
| 272 | break; |
| 273 | } |
| 274 | } |
| 275 | return (p->name); |
| 276 | } |
| 277 | |
| 278 | static char* |
| 279 | _SetICValueData(XIC ic, XIMArg *values, XICOp_t mode) |
| 280 | { |
| 281 | XIMArg *p; |
| 282 | char *return_name = NULL((void*)0); |
| 283 | |
| 284 | for (p = values; p != NULL((void*)0) && p->name != NULL((void*)0); p++) { |
| 285 | if(strcmp(p->name, XNInputStyle"inputStyle") == 0) { |
| 286 | if (mode == CREATE_IC) |
| 287 | ic->core.input_style = (XIMStyle)p->value; |
| 288 | } else if (strcmp(p->name, XNClientWindow"clientWindow") == 0) { |
| 289 | ic->core.client_window = (Window)p->value ; |
| 290 | } else if (strcmp(p->name, XNFocusWindow"focusWindow") == 0) { |
| 291 | ic->core.focus_window = (Window)p->value ; |
| 292 | } else if (strcmp(p->name, XNPreeditAttributes"preeditAttributes") == 0 |
| 293 | || strcmp(p->name, XNStatusAttributes"statusAttributes") == 0) { |
| 294 | return_name = _SetICValueData(ic, (XIMArg*)p->value, mode); |
| 295 | if (return_name) break; |
| 296 | } else { |
| 297 | return_name = p->name; |
| 298 | break; |
| 299 | } |
| 300 | } |
| 301 | return(return_name); |
| 302 | } |
| 303 | |
| 304 | static char* |
| 305 | _GetICValueData(XIC ic, XIMArg *values, XICOp_t mode) |
| 306 | { |
| 307 | XIMArg *p; |
| 308 | char *return_name = NULL((void*)0); |
| 309 | |
| 310 | for (p = values; p->name != NULL((void*)0); p++) { |
| 311 | if(strcmp(p->name, XNInputStyle"inputStyle") == 0) { |
| 312 | *((XIMStyle *)(p->value)) = ic->core.input_style; |
| 313 | } else if (strcmp(p->name, XNClientWindow"clientWindow") == 0) { |
| 314 | *((Window *)(p->value)) = ic->core.client_window; |
| 315 | } else if (strcmp(p->name, XNFocusWindow"focusWindow") == 0) { |
| 316 | *((Window *)(p->value)) = ic->core.focus_window; |
| 317 | } else if (strcmp(p->name, XNFilterEvents"filterEvents") == 0) { |
| 318 | *((unsigned long *)(p->value))= ic->core.filter_events; |
| 319 | } else if (strcmp(p->name, XNPreeditAttributes"preeditAttributes") == 0 |
| 320 | || strcmp(p->name, XNStatusAttributes"statusAttributes") == 0) { |
| 321 | return_name = _GetICValueData(ic, (XIMArg*)p->value, mode); |
| 322 | if (return_name) break; |
| 323 | } else { |
| 324 | return_name = p->name; |
| 325 | break; |
| 326 | } |
| 327 | } |
| 328 | return(return_name); |
| 329 | } |
| 330 | |
| 331 | static XIC |
| 332 | _CreateIC(XIM im, XIMArg *arg) |
| 333 | { |
| 334 | XIC ic; |
| 335 | |
| 336 | if ((ic = Xcalloc(1, sizeof(XICRec))calloc(((1) == 0 ? 1 : (1)), (sizeof(XICRec)))) == (XIC)NULL((void*)0)) { |
| 337 | return ((XIC)NULL((void*)0)); |
| 338 | } |
| 339 | |
| 340 | ic->methods = (XICMethods)&local_ic_methods; |
| 341 | ic->core.im = im; |
| 342 | ic->core.filter_events = KeyPressMask(1L<<0); |
| 343 | |
| 344 | if (_SetICValueData(ic, arg, CREATE_IC) != NULL((void*)0)) |
| 345 | goto err_return; |
| 346 | if (!(ic->core.input_style)) |
| 347 | goto err_return; |
| 348 | |
| 349 | return (XIC)ic; |
| 350 | err_return: |
| 351 | XFree(ic); |
| 352 | return ((XIC)NULL((void*)0)); |
| 353 | } |
| 354 | |
| 355 | static void |
| 356 | _DestroyIC(XIC ic) |
| 357 | { |
| 358 | |
| 359 | |
| 360 | |
| 361 | } |
| 362 | |
| 363 | static void |
| 364 | _SetFocus(XIC ic) |
| 365 | { |
| 366 | } |
| 367 | |
| 368 | static void |
| 369 | _UnsetFocus(XIC ic) |
| 370 | { |
| 371 | } |
| 372 | |
| 373 | static char* |
| 374 | _SetICValues(XIC ic, XIMArg *args) |
| 375 | { |
| 376 | char *ret = NULL((void*)0); |
| 377 | if (!ic) { |
| 378 | return (args->name); |
| 379 | } |
| 380 | ret = _SetICValueData(ic, args, SET_ICVAL); |
| 381 | return(ret); |
| 382 | } |
| 383 | |
| 384 | static char* |
| 385 | _GetICValues(XIC ic, XIMArg *args) |
| 386 | { |
| 387 | char *ret = NULL((void*)0); |
| 388 | if (!ic) { |
| 389 | return (args->name); |
| 390 | } |
| 391 | ret = _GetICValueData(ic, args, GET_ICVAL); |
| 392 | return(ret); |
| 393 | } |
| 394 | |
| 395 | static char * |
| 396 | _MbReset(XIC xic) |
| 397 | { |
| 398 | return(NULL((void*)0)); |
| 399 | } |
| 400 | |
| 401 | static wchar_t * |
| 402 | _WcReset(XIC xic) |
| 403 | { |
| 404 | return(NULL((void*)0)); |
| 405 | } |
| 406 | |
| 407 | static int |
| 408 | _MbLookupString( |
| 409 | XIC xic, |
| 410 | XKeyEvent *ev, |
| 411 | char * buffer, |
| 412 | int bytes, |
| 413 | KeySym *keysym, |
| 414 | Statusint *status) |
| 415 | { |
| 416 | XComposeStatus NotSupportedYet ; |
| 417 | int length; |
| 418 | |
| 419 | length = XLookupString(ev, buffer, bytes, keysym, &NotSupportedYet); |
| 420 | |
| 421 | if (keysym && *keysym == NoSymbol0L){ |
| 422 | *status = XLookupNone1; |
| 423 | } else if (length > 0) { |
| 424 | *status = XLookupBoth4; |
| 425 | } else { |
| 426 | *status = XLookupKeySym3; |
| 427 | } |
| 428 | return(length); |
| 429 | } |
| 430 | |
| 431 | static int |
| 432 | _WcLookupString( |
| 433 | XIC xic, |
| 434 | XKeyEvent *ev, |
| 435 | wchar_t * buffer, |
| 436 | int wlen, |
| 437 | KeySym *keysym, |
| 438 | Statusint *status) |
| 439 | { |
| 440 | XComposeStatus NotSupportedYet ; |
| 441 | int length; |
| 442 | |
| 443 | char *mb_buf = Xmalloc(wlen)malloc(((wlen) == 0 ? 1 : (wlen))); |
| 444 | |
| 445 | length = XLookupString(ev, mb_buf, wlen, keysym, &NotSupportedYet); |
| 446 | |
| 447 | if (keysym && *keysym == NoSymbol0L){ |
| 448 | *status = XLookupNone1; |
| 449 | } else if (length > 0) { |
| 450 | *status = XLookupBoth4; |
| 451 | } else { |
| 452 | *status = XLookupKeySym3; |
| 453 | } |
| 454 | mbstowcs(buffer, mb_buf, length); |
| 455 | XFree(mb_buf); |
| 456 | return(length); |
| 457 | } |