| 1 | /* |
| 2 | * dialog.c - a reasonably platform-independent mechanism for |
| 3 | * describing dialog boxes. |
| 4 | */ |
| 5 | |
| 6 | #include <assert.h> |
| 7 | #include <limits.h> |
| 8 | #include <stdarg.h> |
| 9 | #include <stdlib.h> |
| 10 | |
| 11 | #define DEFINE_INTORPTR_FNS |
| 12 | |
| 13 | #include "putty.h" |
| 14 | #include "dialog.h" |
| 15 | |
| 16 | int ctrl_path_elements(char *path) |
| 17 | { |
| 18 | int i = 1; |
| 19 | while (*path) { |
| 20 | if (*path == '/') i++; |
| 21 | path++; |
| 22 | } |
| 23 | return i; |
| 24 | } |
| 25 | |
| 26 | /* Return the number of matching path elements at the starts of p1 and p2, |
| 27 | * or INT_MAX if the paths are identical. */ |
| 28 | int ctrl_path_compare(char *p1, char *p2) |
| 29 | { |
| 30 | int i = 0; |
| 31 | while (*p1 || *p2) { |
| 32 | if ((*p1 == '/' || *p1 == '\0') && |
| 33 | (*p2 == '/' || *p2 == '\0')) |
| 34 | i++; /* a whole element matches, ooh */ |
| 35 | if (*p1 != *p2) |
| 36 | return i; /* mismatch */ |
| 37 | p1++, p2++; |
| 38 | } |
| 39 | return INT_MAX; /* exact match */ |
| 40 | } |
| 41 | |
| 42 | struct controlbox *ctrl_new_box(void) |
| 43 | { |
| 44 | struct controlbox *ret = smalloc(sizeof(struct controlbox)); |
| 45 | |
| 46 | ret->nctrlsets = ret->ctrlsetsize = 0; |
| 47 | ret->ctrlsets = NULL; |
| 48 | ret->nfrees = ret->freesize = 0; |
| 49 | ret->frees = NULL; |
| 50 | |
| 51 | return ret; |
| 52 | } |
| 53 | |
| 54 | void ctrl_free_box(struct controlbox *b) |
| 55 | { |
| 56 | int i; |
| 57 | |
| 58 | for (i = 0; i < b->nctrlsets; i++) { |
| 59 | ctrl_free_set(b->ctrlsets[i]); |
| 60 | } |
| 61 | for (i = 0; i < b->nfrees; i++) |
| 62 | sfree(b->frees[i]); |
| 63 | sfree(b->ctrlsets); |
| 64 | sfree(b->frees); |
| 65 | sfree(b); |
| 66 | } |
| 67 | |
| 68 | void ctrl_free_set(struct controlset *s) |
| 69 | { |
| 70 | int i; |
| 71 | |
| 72 | sfree(s->pathname); |
| 73 | sfree(s->boxname); |
| 74 | sfree(s->boxtitle); |
| 75 | for (i = 0; i < s->ncontrols; i++) { |
| 76 | ctrl_free(s->ctrls[i]); |
| 77 | } |
| 78 | sfree(s->ctrls); |
| 79 | sfree(s); |
| 80 | } |
| 81 | |
| 82 | /* |
| 83 | * Find the index of first controlset in a controlbox for a given |
| 84 | * path. If that path doesn't exist, return the index where it |
| 85 | * should be inserted. |
| 86 | */ |
| 87 | static int ctrl_find_set(struct controlbox *b, char *path, int start) |
| 88 | { |
| 89 | int i, last, thisone; |
| 90 | |
| 91 | last = 0; |
| 92 | for (i = 0; i < b->nctrlsets; i++) { |
| 93 | thisone = ctrl_path_compare(path, b->ctrlsets[i]->pathname); |
| 94 | /* |
| 95 | * If `start' is true and there exists a controlset with |
| 96 | * exactly the path we've been given, we should return the |
| 97 | * index of the first such controlset we find. Otherwise, |
| 98 | * we should return the index of the first entry in which |
| 99 | * _fewer_ path elements match than they did last time. |
| 100 | */ |
| 101 | if ((start && thisone == INT_MAX) || thisone < last) |
| 102 | return i; |
| 103 | last = thisone; |
| 104 | } |
| 105 | return b->nctrlsets; /* insert at end */ |
| 106 | } |
| 107 | |
| 108 | /* |
| 109 | * Find the index of next controlset in a controlbox for a given |
| 110 | * path, or -1 if no such controlset exists. If -1 is passed as |
| 111 | * input, finds the first. |
| 112 | */ |
| 113 | int ctrl_find_path(struct controlbox *b, char *path, int index) |
| 114 | { |
| 115 | if (index < 0) |
| 116 | index = ctrl_find_set(b, path, 1); |
| 117 | else |
| 118 | index++; |
| 119 | |
| 120 | if (index < b->nctrlsets && !strcmp(path, b->ctrlsets[index]->pathname)) |
| 121 | return index; |
| 122 | else |
| 123 | return -1; |
| 124 | } |
| 125 | |
| 126 | /* Set up a panel title. */ |
| 127 | struct controlset *ctrl_settitle(struct controlbox *b, |
| 128 | char *path, char *title) |
| 129 | { |
| 130 | |
| 131 | struct controlset *s = smalloc(sizeof(struct controlset)); |
| 132 | int index = ctrl_find_set(b, path, 1); |
| 133 | s->pathname = dupstr(path); |
| 134 | s->boxname = NULL; |
| 135 | s->boxtitle = dupstr(title); |
| 136 | s->ncontrols = s->ctrlsize = 0; |
| 137 | s->ncolumns = 0; /* this is a title! */ |
| 138 | s->ctrls = NULL; |
| 139 | if (b->nctrlsets >= b->ctrlsetsize) { |
| 140 | b->ctrlsetsize = b->nctrlsets + 32; |
| 141 | b->ctrlsets = srealloc(b->ctrlsets, |
| 142 | b->ctrlsetsize*sizeof(*b->ctrlsets)); |
| 143 | } |
| 144 | if (index < b->nctrlsets) |
| 145 | memmove(&b->ctrlsets[index+1], &b->ctrlsets[index], |
| 146 | (b->nctrlsets-index) * sizeof(*b->ctrlsets)); |
| 147 | b->ctrlsets[index] = s; |
| 148 | b->nctrlsets++; |
| 149 | return s; |
| 150 | } |
| 151 | |
| 152 | /* Retrieve a pointer to a controlset, creating it if absent. */ |
| 153 | struct controlset *ctrl_getset(struct controlbox *b, |
| 154 | char *path, char *name, char *boxtitle) |
| 155 | { |
| 156 | struct controlset *s; |
| 157 | int index = ctrl_find_set(b, path, 1); |
| 158 | while (index < b->nctrlsets && |
| 159 | !strcmp(b->ctrlsets[index]->pathname, path)) { |
| 160 | if (b->ctrlsets[index]->boxname && |
| 161 | !strcmp(b->ctrlsets[index]->boxname, name)) |
| 162 | return b->ctrlsets[index]; |
| 163 | index++; |
| 164 | } |
| 165 | s = smalloc(sizeof(struct controlset)); |
| 166 | s->pathname = dupstr(path); |
| 167 | s->boxname = dupstr(name); |
| 168 | s->boxtitle = boxtitle ? dupstr(boxtitle) : NULL; |
| 169 | s->ncolumns = 1; |
| 170 | s->ncontrols = s->ctrlsize = 0; |
| 171 | s->ctrls = NULL; |
| 172 | if (b->nctrlsets >= b->ctrlsetsize) { |
| 173 | b->ctrlsetsize = b->nctrlsets + 32; |
| 174 | b->ctrlsets = srealloc(b->ctrlsets, |
| 175 | b->ctrlsetsize*sizeof(*b->ctrlsets)); |
| 176 | } |
| 177 | if (index < b->nctrlsets) |
| 178 | memmove(&b->ctrlsets[index+1], &b->ctrlsets[index], |
| 179 | (b->nctrlsets-index) * sizeof(*b->ctrlsets)); |
| 180 | b->ctrlsets[index] = s; |
| 181 | b->nctrlsets++; |
| 182 | return s; |
| 183 | } |
| 184 | |
| 185 | /* Allocate some private data in a controlbox. */ |
| 186 | void *ctrl_alloc(struct controlbox *b, size_t size) |
| 187 | { |
| 188 | void *p; |
| 189 | p = smalloc(size); |
| 190 | if (b->nfrees >= b->freesize) { |
| 191 | b->freesize = b->nfrees + 32; |
| 192 | b->frees = srealloc(b->frees, b->freesize*sizeof(*b->frees)); |
| 193 | } |
| 194 | b->frees[b->nfrees++] = p; |
| 195 | return p; |
| 196 | } |
| 197 | |
| 198 | static union control *ctrl_new(struct controlset *s, int type, |
| 199 | intorptr helpctx, handler_fn handler, |
| 200 | intorptr context) |
| 201 | { |
| 202 | union control *c = smalloc(sizeof(union control)); |
| 203 | if (s->ncontrols >= s->ctrlsize) { |
| 204 | s->ctrlsize = s->ncontrols + 32; |
| 205 | s->ctrls = srealloc(s->ctrls, s->ctrlsize * sizeof(*s->ctrls)); |
| 206 | } |
| 207 | s->ctrls[s->ncontrols++] = c; |
| 208 | /* |
| 209 | * Fill in the standard fields. |
| 210 | */ |
| 211 | c->generic.type = type; |
| 212 | c->generic.tabdelay = 0; |
| 213 | c->generic.column = COLUMN_FIELD(0, s->ncolumns); |
| 214 | c->generic.helpctx = helpctx; |
| 215 | c->generic.handler = handler; |
| 216 | c->generic.context = context; |
| 217 | c->generic.label = NULL; |
| 218 | return c; |
| 219 | } |
| 220 | |
| 221 | /* `ncolumns' is followed by that many percentages, as integers. */ |
| 222 | union control *ctrl_columns(struct controlset *s, int ncolumns, ...) |
| 223 | { |
| 224 | union control *c = ctrl_new(s, CTRL_COLUMNS, P(NULL), NULL, P(NULL)); |
| 225 | assert(s->ncolumns == 1 || ncolumns == 1); |
| 226 | c->columns.ncols = ncolumns; |
| 227 | s->ncolumns = ncolumns; |
| 228 | if (ncolumns == 1) { |
| 229 | c->columns.percentages = NULL; |
| 230 | } else { |
| 231 | va_list ap; |
| 232 | int i; |
| 233 | c->columns.percentages = smalloc(ncolumns * sizeof(int)); |
| 234 | va_start(ap, ncolumns); |
| 235 | for (i = 0; i < ncolumns; i++) |
| 236 | c->columns.percentages[i] = va_arg(ap, int); |
| 237 | va_end(ap); |
| 238 | } |
| 239 | return c; |
| 240 | } |
| 241 | |
| 242 | union control *ctrl_editbox(struct controlset *s, char *label, char shortcut, |
| 243 | int percentage, |
| 244 | intorptr helpctx, handler_fn handler, |
| 245 | intorptr context, intorptr context2) |
| 246 | { |
| 247 | union control *c = ctrl_new(s, CTRL_EDITBOX, helpctx, handler, context); |
| 248 | c->editbox.label = label ? dupstr(label) : NULL; |
| 249 | c->editbox.shortcut = shortcut; |
| 250 | c->editbox.percentwidth = percentage; |
| 251 | c->editbox.password = 0; |
| 252 | c->editbox.has_list = 0; |
| 253 | c->editbox.context2 = context2; |
| 254 | return c; |
| 255 | } |
| 256 | |
| 257 | union control *ctrl_combobox(struct controlset *s, char *label, char shortcut, |
| 258 | int percentage, |
| 259 | intorptr helpctx, handler_fn handler, |
| 260 | intorptr context, intorptr context2) |
| 261 | { |
| 262 | union control *c = ctrl_new(s, CTRL_EDITBOX, helpctx, handler, context); |
| 263 | c->editbox.label = label ? dupstr(label) : NULL; |
| 264 | c->editbox.shortcut = shortcut; |
| 265 | c->editbox.percentwidth = percentage; |
| 266 | c->editbox.password = 0; |
| 267 | c->editbox.has_list = 1; |
| 268 | c->editbox.context2 = context2; |
| 269 | return c; |
| 270 | } |
| 271 | |
| 272 | /* |
| 273 | * `ncolumns' is followed by (alternately) radio button titles and |
| 274 | * intorptrs, until a NULL in place of a title string is seen. Each |
| 275 | * title is expected to be followed by a shortcut _iff_ `shortcut' |
| 276 | * is NO_SHORTCUT. |
| 277 | */ |
| 278 | union control *ctrl_radiobuttons(struct controlset *s, char *label, |
| 279 | char shortcut, int ncolumns, intorptr helpctx, |
| 280 | handler_fn handler, intorptr context, ...) |
| 281 | { |
| 282 | va_list ap; |
| 283 | int i; |
| 284 | union control *c = ctrl_new(s, CTRL_RADIO, helpctx, handler, context); |
| 285 | c->radio.label = label ? dupstr(label) : NULL; |
| 286 | c->radio.shortcut = shortcut; |
| 287 | c->radio.ncolumns = ncolumns; |
| 288 | /* |
| 289 | * Initial pass along variable argument list to count the |
| 290 | * buttons. |
| 291 | */ |
| 292 | va_start(ap, context); |
| 293 | i = 0; |
| 294 | while (va_arg(ap, char *) != NULL) { |
| 295 | i++; |
| 296 | if (c->radio.shortcut == NO_SHORTCUT) |
| 297 | (void)va_arg(ap, int); /* char promotes to int in arg lists */ |
| 298 | (void)va_arg(ap, intorptr); |
| 299 | } |
| 300 | va_end(ap); |
| 301 | c->radio.nbuttons = i; |
| 302 | if (c->radio.shortcut == NO_SHORTCUT) |
| 303 | c->radio.shortcuts = smalloc(c->radio.nbuttons * sizeof(char)); |
| 304 | else |
| 305 | c->radio.shortcuts = NULL; |
| 306 | c->radio.buttons = smalloc(c->radio.nbuttons * sizeof(char *)); |
| 307 | c->radio.buttondata = smalloc(c->radio.nbuttons * sizeof(intorptr)); |
| 308 | /* |
| 309 | * Second pass along variable argument list to actually fill in |
| 310 | * the structure. |
| 311 | */ |
| 312 | va_start(ap, context); |
| 313 | for (i = 0; i < c->radio.nbuttons; i++) { |
| 314 | c->radio.buttons[i] = dupstr(va_arg(ap, char *)); |
| 315 | if (c->radio.shortcut == NO_SHORTCUT) |
| 316 | c->radio.shortcuts[i] = va_arg(ap, int); |
| 317 | /* char promotes to int in arg lists */ |
| 318 | c->radio.buttondata[i] = va_arg(ap, intorptr); |
| 319 | } |
| 320 | va_end(ap); |
| 321 | return c; |
| 322 | } |
| 323 | |
| 324 | union control *ctrl_pushbutton(struct controlset *s,char *label,char shortcut, |
| 325 | intorptr helpctx, handler_fn handler, |
| 326 | intorptr context) |
| 327 | { |
| 328 | union control *c = ctrl_new(s, CTRL_BUTTON, helpctx, handler, context); |
| 329 | c->button.label = label ? dupstr(label) : NULL; |
| 330 | c->button.shortcut = shortcut; |
| 331 | c->button.isdefault = 0; |
| 332 | return c; |
| 333 | } |
| 334 | |
| 335 | union control *ctrl_listbox(struct controlset *s,char *label,char shortcut, |
| 336 | intorptr helpctx, handler_fn handler, |
| 337 | intorptr context) |
| 338 | { |
| 339 | union control *c = ctrl_new(s, CTRL_LISTBOX, helpctx, handler, context); |
| 340 | c->listbox.label = label ? dupstr(label) : NULL; |
| 341 | c->listbox.shortcut = shortcut; |
| 342 | c->listbox.height = 5; /* *shrug* a plausible default */ |
| 343 | c->listbox.draglist = 0; |
| 344 | c->listbox.multisel = 0; |
| 345 | c->listbox.percentwidth = 100; |
| 346 | c->listbox.ncols = 0; |
| 347 | c->listbox.percentages = NULL; |
| 348 | return c; |
| 349 | } |
| 350 | |
| 351 | union control *ctrl_droplist(struct controlset *s, char *label, char shortcut, |
| 352 | int percentage, intorptr helpctx, |
| 353 | handler_fn handler, intorptr context) |
| 354 | { |
| 355 | union control *c = ctrl_new(s, CTRL_LISTBOX, helpctx, handler, context); |
| 356 | c->listbox.label = label ? dupstr(label) : NULL; |
| 357 | c->listbox.shortcut = shortcut; |
| 358 | c->listbox.height = 0; /* means it's a drop-down list */ |
| 359 | c->listbox.draglist = 0; |
| 360 | c->listbox.multisel = 0; |
| 361 | c->listbox.percentwidth = percentage; |
| 362 | return c; |
| 363 | } |
| 364 | |
| 365 | union control *ctrl_draglist(struct controlset *s,char *label,char shortcut, |
| 366 | intorptr helpctx, handler_fn handler, |
| 367 | intorptr context) |
| 368 | { |
| 369 | union control *c = ctrl_new(s, CTRL_LISTBOX, helpctx, handler, context); |
| 370 | c->listbox.label = label ? dupstr(label) : NULL; |
| 371 | c->listbox.shortcut = shortcut; |
| 372 | c->listbox.height = 5; /* *shrug* a plausible default */ |
| 373 | c->listbox.draglist = 1; |
| 374 | c->listbox.multisel = 0; |
| 375 | c->listbox.percentwidth = 100; |
| 376 | return c; |
| 377 | } |
| 378 | |
| 379 | union control *ctrl_filesel(struct controlset *s,char *label,char shortcut, |
| 380 | char const *filter, int write, char *title, |
| 381 | intorptr helpctx, handler_fn handler, |
| 382 | intorptr context) |
| 383 | { |
| 384 | union control *c = ctrl_new(s, CTRL_FILESELECT, helpctx, handler, context); |
| 385 | c->fileselect.label = label ? dupstr(label) : NULL; |
| 386 | c->fileselect.shortcut = shortcut; |
| 387 | c->fileselect.filter = filter; |
| 388 | c->fileselect.for_writing = write; |
| 389 | c->fileselect.title = dupstr(title); |
| 390 | return c; |
| 391 | } |
| 392 | |
| 393 | union control *ctrl_fontsel(struct controlset *s,char *label,char shortcut, |
| 394 | intorptr helpctx, handler_fn handler, |
| 395 | intorptr context) |
| 396 | { |
| 397 | union control *c = ctrl_new(s, CTRL_FONTSELECT, helpctx, handler, context); |
| 398 | c->fontselect.label = label ? dupstr(label) : NULL; |
| 399 | c->fontselect.shortcut = shortcut; |
| 400 | return c; |
| 401 | } |
| 402 | |
| 403 | union control *ctrl_tabdelay(struct controlset *s, union control *ctrl) |
| 404 | { |
| 405 | union control *c = ctrl_new(s, CTRL_TABDELAY, P(NULL), NULL, P(NULL)); |
| 406 | c->tabdelay.ctrl = ctrl; |
| 407 | return c; |
| 408 | } |
| 409 | |
| 410 | union control *ctrl_text(struct controlset *s, char *text, intorptr helpctx) |
| 411 | { |
| 412 | union control *c = ctrl_new(s, CTRL_TEXT, helpctx, NULL, P(NULL)); |
| 413 | c->text.label = dupstr(text); |
| 414 | return c; |
| 415 | } |
| 416 | |
| 417 | union control *ctrl_checkbox(struct controlset *s, char *label, char shortcut, |
| 418 | intorptr helpctx, handler_fn handler, |
| 419 | intorptr context) |
| 420 | { |
| 421 | union control *c = ctrl_new(s, CTRL_CHECKBOX, helpctx, handler, context); |
| 422 | c->checkbox.label = label ? dupstr(label) : NULL; |
| 423 | c->checkbox.shortcut = shortcut; |
| 424 | return c; |
| 425 | } |
| 426 | |
| 427 | void ctrl_free(union control *ctrl) |
| 428 | { |
| 429 | int i; |
| 430 | |
| 431 | sfree(ctrl->generic.label); |
| 432 | switch (ctrl->generic.type) { |
| 433 | case CTRL_RADIO: |
| 434 | for (i = 0; i < ctrl->radio.nbuttons; i++) |
| 435 | sfree(ctrl->radio.buttons[i]); |
| 436 | sfree(ctrl->radio.buttons); |
| 437 | sfree(ctrl->radio.shortcuts); |
| 438 | sfree(ctrl->radio.buttondata); |
| 439 | break; |
| 440 | case CTRL_COLUMNS: |
| 441 | sfree(ctrl->columns.percentages); |
| 442 | break; |
| 443 | case CTRL_LISTBOX: |
| 444 | sfree(ctrl->listbox.percentages); |
| 445 | break; |
| 446 | case CTRL_FILESELECT: |
| 447 | sfree(ctrl->fileselect.title); |
| 448 | break; |
| 449 | } |
| 450 | sfree(ctrl); |
| 451 | } |
| 452 | |
| 453 | void dlg_stdradiobutton_handler(union control *ctrl, void *dlg, |
| 454 | void *data, int event) |
| 455 | { |
| 456 | int button; |
| 457 | /* |
| 458 | * For a standard radio button set, the context parameter gives |
| 459 | * offsetof(targetfield, Config), and the extra data per button |
| 460 | * gives the value the target field should take if that button |
| 461 | * is the one selected. |
| 462 | */ |
| 463 | if (event == EVENT_REFRESH) { |
| 464 | for (button = 0; button < ctrl->radio.nbuttons; button++) |
| 465 | if (*(int *)ATOFFSET(data, ctrl->radio.context.i) == |
| 466 | ctrl->radio.buttondata[button].i) |
| 467 | break; |
| 468 | /* We expected that `break' to happen, in all circumstances. */ |
| 469 | assert(button < ctrl->radio.nbuttons); |
| 470 | dlg_radiobutton_set(ctrl, dlg, button); |
| 471 | } else if (event == EVENT_VALCHANGE) { |
| 472 | button = dlg_radiobutton_get(ctrl, dlg); |
| 473 | assert(button >= 0 && button < ctrl->radio.nbuttons); |
| 474 | *(int *)ATOFFSET(data, ctrl->radio.context.i) = |
| 475 | ctrl->radio.buttondata[button].i; |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | void dlg_stdcheckbox_handler(union control *ctrl, void *dlg, |
| 480 | void *data, int event) |
| 481 | { |
| 482 | int offset, invert; |
| 483 | |
| 484 | /* |
| 485 | * For a standard checkbox, the context parameter gives |
| 486 | * offsetof(targetfield, Config), optionally ORed with |
| 487 | * CHECKBOX_INVERT. |
| 488 | */ |
| 489 | offset = ctrl->checkbox.context.i; |
| 490 | if (offset & CHECKBOX_INVERT) { |
| 491 | offset &= ~CHECKBOX_INVERT; |
| 492 | invert = 1; |
| 493 | } else |
| 494 | invert = 0; |
| 495 | |
| 496 | /* |
| 497 | * C lacks a logical XOR, so the following code uses the idiom |
| 498 | * (!a ^ !b) to obtain the logical XOR of a and b. (That is, 1 |
| 499 | * iff exactly one of a and b is nonzero, otherwise 0.) |
| 500 | */ |
| 501 | |
| 502 | if (event == EVENT_REFRESH) { |
| 503 | dlg_checkbox_set(ctrl,dlg, (!*(int *)ATOFFSET(data,offset) ^ !invert)); |
| 504 | } else if (event == EVENT_VALCHANGE) { |
| 505 | *(int *)ATOFFSET(data, offset) = !dlg_checkbox_get(ctrl,dlg) ^ !invert; |
| 506 | } |
| 507 | } |
| 508 | |
| 509 | void dlg_stdeditbox_handler(union control *ctrl, void *dlg, |
| 510 | void *data, int event) |
| 511 | { |
| 512 | /* |
| 513 | * The standard edit-box handler expects the main `context' |
| 514 | * field to contain the `offsetof' a field in the structure |
| 515 | * pointed to by `data'. The secondary `context2' field |
| 516 | * indicates the type of this field: |
| 517 | * |
| 518 | * - if context2 > 0, the field is a char array and context2 |
| 519 | * gives its size. |
| 520 | * - if context2 == -1, the field is an int and the edit box |
| 521 | * is numeric. |
| 522 | * - if context2 < -1, the field is an int and the edit box is |
| 523 | * _floating_, and (-context2) gives the scale. (E.g. if |
| 524 | * context2 == -1000, then typing 1.2 into the box will set |
| 525 | * the field to 1200.) |
| 526 | */ |
| 527 | int offset = ctrl->editbox.context.i; |
| 528 | int length = ctrl->editbox.context2.i; |
| 529 | |
| 530 | if (length > 0) { |
| 531 | char *field = (char *)ATOFFSET(data, offset); |
| 532 | if (event == EVENT_REFRESH) { |
| 533 | dlg_editbox_set(ctrl, dlg, field); |
| 534 | } else if (event == EVENT_VALCHANGE) { |
| 535 | dlg_editbox_get(ctrl, dlg, field, length); |
| 536 | } |
| 537 | } else if (length < 0) { |
| 538 | int *field = (int *)ATOFFSET(data, offset); |
| 539 | char data[80]; |
| 540 | if (event == EVENT_REFRESH) { |
| 541 | if (length == -1) |
| 542 | sprintf(data, "%d", *field); |
| 543 | else |
| 544 | sprintf(data, "%g", (double)*field / (double)(-length)); |
| 545 | dlg_editbox_set(ctrl, dlg, data); |
| 546 | } else if (event == EVENT_VALCHANGE) { |
| 547 | dlg_editbox_get(ctrl, dlg, data, lenof(data)); |
| 548 | if (length == -1) |
| 549 | *field = atoi(data); |
| 550 | else |
| 551 | *field = (int)((-length) * atof(data)); |
| 552 | } |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | void dlg_stdfilesel_handler(union control *ctrl, void *dlg, |
| 557 | void *data, int event) |
| 558 | { |
| 559 | /* |
| 560 | * The standard file-selector handler expects the `context' |
| 561 | * field to contain the `offsetof' a Filename field in the |
| 562 | * structure pointed to by `data'. |
| 563 | */ |
| 564 | int offset = ctrl->fileselect.context.i; |
| 565 | |
| 566 | if (event == EVENT_REFRESH) { |
| 567 | dlg_filesel_set(ctrl, dlg, *(Filename *)ATOFFSET(data, offset)); |
| 568 | } else if (event == EVENT_VALCHANGE) { |
| 569 | dlg_filesel_get(ctrl, dlg, (Filename *)ATOFFSET(data, offset)); |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | void dlg_stdfontsel_handler(union control *ctrl, void *dlg, |
| 574 | void *data, int event) |
| 575 | { |
| 576 | /* |
| 577 | * The standard file-selector handler expects the `context' |
| 578 | * field to contain the `offsetof' a FontSpec field in the |
| 579 | * structure pointed to by `data'. |
| 580 | */ |
| 581 | int offset = ctrl->fontselect.context.i; |
| 582 | |
| 583 | if (event == EVENT_REFRESH) { |
| 584 | dlg_fontsel_set(ctrl, dlg, *(FontSpec *)ATOFFSET(data, offset)); |
| 585 | } else if (event == EVENT_VALCHANGE) { |
| 586 | dlg_fontsel_get(ctrl, dlg, (FontSpec *)ATOFFSET(data, offset)); |
| 587 | } |
| 588 | } |