| 1 | /*
|
|---|
| 2 | * $Id: demo_menus.c,v 1.13 2005/10/01 15:54:31 tom Exp $
|
|---|
| 3 | *
|
|---|
| 4 | * Demonstrate a variety of functions from the menu library.
|
|---|
| 5 | * Thomas Dickey - 2005/4/9
|
|---|
| 6 | */
|
|---|
| 7 | /*
|
|---|
| 8 | item_description -
|
|---|
| 9 | item_init -
|
|---|
| 10 | item_opts -
|
|---|
| 11 | item_opts_off -
|
|---|
| 12 | item_opts_on -
|
|---|
| 13 | item_term -
|
|---|
| 14 | item_userptr -
|
|---|
| 15 | item_visible -
|
|---|
| 16 | menu_back -
|
|---|
| 17 | menu_fore -
|
|---|
| 18 | menu_format -
|
|---|
| 19 | menu_grey -
|
|---|
| 20 | menu_init -
|
|---|
| 21 | menu_mark -
|
|---|
| 22 | menu_opts -
|
|---|
| 23 | menu_pad -
|
|---|
| 24 | menu_pattern -
|
|---|
| 25 | menu_request_by_name -
|
|---|
| 26 | menu_request_name -
|
|---|
| 27 | menu_sub -
|
|---|
| 28 | menu_term -
|
|---|
| 29 | menu_userptr -
|
|---|
| 30 | set_current_item -
|
|---|
| 31 | set_item_init -
|
|---|
| 32 | set_item_opts -
|
|---|
| 33 | set_item_term -
|
|---|
| 34 | set_item_userptr -
|
|---|
| 35 | set_menu_grey -
|
|---|
| 36 | set_menu_init -
|
|---|
| 37 | set_menu_items -
|
|---|
| 38 | set_menu_opts -
|
|---|
| 39 | set_menu_pad -
|
|---|
| 40 | set_menu_pattern -
|
|---|
| 41 | set_menu_spacing -
|
|---|
| 42 | set_menu_term -
|
|---|
| 43 | set_menu_userptr -
|
|---|
| 44 | set_top_row -
|
|---|
| 45 | top_row -
|
|---|
| 46 | */
|
|---|
| 47 |
|
|---|
| 48 | #include <test.priv.h>
|
|---|
| 49 |
|
|---|
| 50 | #if USE_LIBMENU
|
|---|
| 51 |
|
|---|
| 52 | #include <menu.h>
|
|---|
| 53 |
|
|---|
| 54 | #include <sys/types.h>
|
|---|
| 55 | #include <sys/stat.h>
|
|---|
| 56 |
|
|---|
| 57 | #ifdef NCURSES_VERSION
|
|---|
| 58 | #ifdef TRACE
|
|---|
| 59 | static unsigned save_trace = TRACE_ORDINARY | TRACE_CALLS;
|
|---|
| 60 | extern unsigned _nc_tracing;
|
|---|
| 61 | static MENU *mpTrace;
|
|---|
| 62 | #endif
|
|---|
| 63 | #else
|
|---|
| 64 | #undef TRACE
|
|---|
| 65 | #endif
|
|---|
| 66 |
|
|---|
| 67 | typedef enum {
|
|---|
| 68 | eUnknown = -1
|
|---|
| 69 | ,eFile = 0
|
|---|
| 70 | ,eSelect
|
|---|
| 71 | #ifdef TRACE
|
|---|
| 72 | ,eTrace
|
|---|
| 73 | #endif
|
|---|
| 74 | } MenuNo;
|
|---|
| 75 |
|
|---|
| 76 | #define MENU_Y 1
|
|---|
| 77 |
|
|---|
| 78 | static MENU *mpBanner;
|
|---|
| 79 | static MENU *mpFile;
|
|---|
| 80 | static MENU *mpSelect;
|
|---|
| 81 |
|
|---|
| 82 | #if !HAVE_STRDUP
|
|---|
| 83 | #define strdup my_strdup
|
|---|
| 84 | static char *
|
|---|
| 85 | strdup(char *s)
|
|---|
| 86 | {
|
|---|
| 87 | char *p = (char *) malloc(strlen(s) + 1);
|
|---|
| 88 | if (p)
|
|---|
| 89 | strcpy(p, s);
|
|---|
| 90 | return (p);
|
|---|
| 91 | }
|
|---|
| 92 | #endif /* not HAVE_STRDUP */
|
|---|
| 93 |
|
|---|
| 94 | /* Common function to allow ^T to toggle trace-mode in the middle of a test
|
|---|
| 95 | * so that trace-files can be made smaller.
|
|---|
| 96 | */
|
|---|
| 97 | static int
|
|---|
| 98 | wGetchar(WINDOW *win)
|
|---|
| 99 | {
|
|---|
| 100 | int c;
|
|---|
| 101 | #ifdef TRACE
|
|---|
| 102 | while ((c = wgetch(win)) == CTRL('T')) {
|
|---|
| 103 | if (_nc_tracing) {
|
|---|
| 104 | save_trace = _nc_tracing;
|
|---|
| 105 | _tracef("TOGGLE-TRACING OFF");
|
|---|
| 106 | _nc_tracing = 0;
|
|---|
| 107 | } else {
|
|---|
| 108 | _nc_tracing = save_trace;
|
|---|
| 109 | }
|
|---|
| 110 | trace(_nc_tracing);
|
|---|
| 111 | if (_nc_tracing)
|
|---|
| 112 | _tracef("TOGGLE-TRACING ON");
|
|---|
| 113 | }
|
|---|
| 114 | #else
|
|---|
| 115 | c = wgetch(win);
|
|---|
| 116 | #endif
|
|---|
| 117 | return c;
|
|---|
| 118 | }
|
|---|
| 119 | #define Getchar() wGetchar(stdscr)
|
|---|
| 120 |
|
|---|
| 121 | static int
|
|---|
| 122 | menu_virtualize(int c)
|
|---|
| 123 | {
|
|---|
| 124 | int result;
|
|---|
| 125 |
|
|---|
| 126 | if (c == '\n' || c == KEY_EXIT)
|
|---|
| 127 | result = (MAX_COMMAND + 1);
|
|---|
| 128 | else if (c == 'u')
|
|---|
| 129 | result = (REQ_SCR_ULINE);
|
|---|
| 130 | else if (c == 'd')
|
|---|
| 131 | result = (REQ_SCR_DLINE);
|
|---|
| 132 | else if (c == 'b' || c == KEY_NPAGE)
|
|---|
| 133 | result = (REQ_SCR_UPAGE);
|
|---|
| 134 | else if (c == 'f' || c == KEY_PPAGE)
|
|---|
| 135 | result = (REQ_SCR_DPAGE);
|
|---|
| 136 | else if (c == 'l' || c == KEY_LEFT || c == KEY_BTAB)
|
|---|
| 137 | result = (REQ_LEFT_ITEM);
|
|---|
| 138 | else if (c == 'n' || c == KEY_DOWN)
|
|---|
| 139 | result = (REQ_NEXT_ITEM);
|
|---|
| 140 | else if (c == 'p' || c == KEY_UP)
|
|---|
| 141 | result = (REQ_PREV_ITEM);
|
|---|
| 142 | else if (c == 'r' || c == KEY_RIGHT || c == '\t')
|
|---|
| 143 | result = (REQ_RIGHT_ITEM);
|
|---|
| 144 | else if (c == ' ')
|
|---|
| 145 | result = (REQ_TOGGLE_ITEM);
|
|---|
| 146 | else {
|
|---|
| 147 | if (c != KEY_MOUSE)
|
|---|
| 148 | beep();
|
|---|
| 149 | result = (c);
|
|---|
| 150 | }
|
|---|
| 151 | return result;
|
|---|
| 152 | }
|
|---|
| 153 |
|
|---|
| 154 | static int
|
|---|
| 155 | menu_getc(MENU * m)
|
|---|
| 156 | {
|
|---|
| 157 | return wGetchar(menu_win(m));
|
|---|
| 158 | }
|
|---|
| 159 |
|
|---|
| 160 | static int
|
|---|
| 161 | menu_offset(MenuNo number)
|
|---|
| 162 | {
|
|---|
| 163 | int result = 0;
|
|---|
| 164 |
|
|---|
| 165 | if ((int) number >= 0) {
|
|---|
| 166 | int spc_desc, spc_rows, spc_cols;
|
|---|
| 167 |
|
|---|
| 168 | #ifdef NCURSES_VERSION
|
|---|
| 169 | menu_spacing(mpBanner, &spc_desc, &spc_rows, &spc_cols);
|
|---|
| 170 | #else
|
|---|
| 171 | spc_rows = 0;
|
|---|
| 172 | #endif
|
|---|
| 173 |
|
|---|
| 174 | /* FIXME: MENU.itemlen seems the only way to get actual width of items */
|
|---|
| 175 | result = number * (mpBanner->itemlen + spc_rows);
|
|---|
| 176 | }
|
|---|
| 177 | return result;
|
|---|
| 178 | }
|
|---|
| 179 |
|
|---|
| 180 | static MENU *
|
|---|
| 181 | menu_create(ITEM ** items, int count, int ncols, MenuNo number)
|
|---|
| 182 | {
|
|---|
| 183 | MENU *result;
|
|---|
| 184 | WINDOW *menuwin;
|
|---|
| 185 | int mrows, mcols;
|
|---|
| 186 | int y = ((int) number >= 0) ? MENU_Y : 0;
|
|---|
| 187 | int x = menu_offset(number);
|
|---|
| 188 | int margin = (y == MENU_Y) ? 1 : 0;
|
|---|
| 189 | int maxcol = (ncols + x) < COLS ? ncols : (COLS - x - 1);
|
|---|
| 190 | int maxrow = (count + 1) / ncols;
|
|---|
| 191 |
|
|---|
| 192 | if ((maxrow + y) >= (LINES - 4))
|
|---|
| 193 | maxrow = LINES - 4 - y;
|
|---|
| 194 |
|
|---|
| 195 | result = new_menu(items);
|
|---|
| 196 |
|
|---|
| 197 | if (has_colors()) {
|
|---|
| 198 | set_menu_fore(result, COLOR_PAIR(1));
|
|---|
| 199 | set_menu_back(result, COLOR_PAIR(2));
|
|---|
| 200 | }
|
|---|
| 201 |
|
|---|
| 202 | set_menu_format(result, maxrow, maxcol);
|
|---|
| 203 | scale_menu(result, &mrows, &mcols);
|
|---|
| 204 |
|
|---|
| 205 | if (mcols + (2 * margin + x) >= COLS)
|
|---|
| 206 | mcols = COLS - (2 * margin + x);
|
|---|
| 207 |
|
|---|
| 208 | #ifdef TRACE
|
|---|
| 209 | if (number == eTrace)
|
|---|
| 210 | menu_opts_off(result, O_ONEVALUE);
|
|---|
| 211 | else
|
|---|
| 212 | menu_opts_on(result, O_ONEVALUE);
|
|---|
| 213 | #endif
|
|---|
| 214 |
|
|---|
| 215 | menuwin = newwin(mrows + (2 * margin), mcols + (2 * margin), y, x);
|
|---|
| 216 | set_menu_win(result, menuwin);
|
|---|
| 217 | keypad(menuwin, TRUE);
|
|---|
| 218 | if (margin)
|
|---|
| 219 | box(menuwin, 0, 0);
|
|---|
| 220 |
|
|---|
| 221 | set_menu_sub(result, derwin(menuwin, mrows, mcols, margin, margin));
|
|---|
| 222 |
|
|---|
| 223 | post_menu(result);
|
|---|
| 224 |
|
|---|
| 225 | return result;
|
|---|
| 226 | }
|
|---|
| 227 |
|
|---|
| 228 | static void
|
|---|
| 229 | menu_destroy(MENU * m)
|
|---|
| 230 | {
|
|---|
| 231 | ITEM **ip;
|
|---|
| 232 | int count;
|
|---|
| 233 |
|
|---|
| 234 | if (m != 0) {
|
|---|
| 235 | delwin(menu_win(m));
|
|---|
| 236 |
|
|---|
| 237 | ip = menu_items(m);
|
|---|
| 238 | count = item_count(m);
|
|---|
| 239 |
|
|---|
| 240 | free_menu(m);
|
|---|
| 241 | #if 0
|
|---|
| 242 | if (count > 0) {
|
|---|
| 243 | while (*ip) {
|
|---|
| 244 | _tracef("freeing item %d:%d", ip - menu_items(m), count);
|
|---|
| 245 | free_item(*ip++);
|
|---|
| 246 | }
|
|---|
| 247 | }
|
|---|
| 248 | #endif
|
|---|
| 249 | }
|
|---|
| 250 | }
|
|---|
| 251 |
|
|---|
| 252 | /* force the given menu to appear */
|
|---|
| 253 | static void
|
|---|
| 254 | menu_display(MENU * m)
|
|---|
| 255 | {
|
|---|
| 256 | touchwin(menu_win(m));
|
|---|
| 257 | wrefresh(menu_win(m));
|
|---|
| 258 | }
|
|---|
| 259 |
|
|---|
| 260 | /*****************************************************************************/
|
|---|
| 261 |
|
|---|
| 262 | static void
|
|---|
| 263 | build_file_menu(MenuNo number)
|
|---|
| 264 | {
|
|---|
| 265 | static const char *labels[] =
|
|---|
| 266 | {
|
|---|
| 267 | "Exit",
|
|---|
| 268 | (char *) 0
|
|---|
| 269 | };
|
|---|
| 270 | static ITEM *items[SIZEOF(labels)];
|
|---|
| 271 |
|
|---|
| 272 | ITEM **ip = items;
|
|---|
| 273 | const char **ap;
|
|---|
| 274 |
|
|---|
| 275 | for (ap = labels; *ap; ap++)
|
|---|
| 276 | *ip++ = new_item(*ap, "");
|
|---|
| 277 | *ip = (ITEM *) 0;
|
|---|
| 278 |
|
|---|
| 279 | mpFile = menu_create(items, SIZEOF(labels) - 1, 1, number);
|
|---|
| 280 | }
|
|---|
| 281 |
|
|---|
| 282 | static int
|
|---|
| 283 | perform_file_menu(int cmd)
|
|---|
| 284 | {
|
|---|
| 285 | return menu_driver(mpFile, cmd);
|
|---|
| 286 | }
|
|---|
| 287 |
|
|---|
| 288 | /*****************************************************************************/
|
|---|
| 289 |
|
|---|
| 290 | static void
|
|---|
| 291 | build_select_menu(MenuNo number, char *filename)
|
|---|
| 292 | {
|
|---|
| 293 | static const char *labels[] =
|
|---|
| 294 | {
|
|---|
| 295 | "Lions",
|
|---|
| 296 | "Tigers",
|
|---|
| 297 | "Bears",
|
|---|
| 298 | "(Oh my!)",
|
|---|
| 299 | "Newts",
|
|---|
| 300 | "Platypi",
|
|---|
| 301 | "Lemurs",
|
|---|
| 302 | "(Oh really?!)",
|
|---|
| 303 | "Leopards",
|
|---|
| 304 | "Panthers",
|
|---|
| 305 | "Pumas",
|
|---|
| 306 | "Lions, Tigers, Bears, (Oh my!), Newts, Platypi, Lemurs",
|
|---|
| 307 | "Lions, Tigers, Bears, (Oh my!), Newts, Platypi, Lemurs, Lions, Tigers, Bears, (Oh my!), Newts, Platypi, Lemurs",
|
|---|
| 308 | (char *) 0
|
|---|
| 309 | };
|
|---|
| 310 | static ITEM **items;
|
|---|
| 311 |
|
|---|
| 312 | ITEM **ip;
|
|---|
| 313 | const char **ap = 0;
|
|---|
| 314 | unsigned count = 0;
|
|---|
| 315 |
|
|---|
| 316 | if (filename != 0) {
|
|---|
| 317 | struct stat sb;
|
|---|
| 318 | if (stat(filename, &sb) == 0
|
|---|
| 319 | && (sb.st_mode & S_IFMT) == S_IFREG
|
|---|
| 320 | && sb.st_size != 0) {
|
|---|
| 321 | unsigned size = sb.st_size;
|
|---|
| 322 | unsigned j, k;
|
|---|
| 323 | char *blob = malloc(size + 1);
|
|---|
| 324 | const char **list = (const char **) calloc(sizeof(*list), size + 1);
|
|---|
| 325 |
|
|---|
| 326 | items = (ITEM **) calloc(sizeof(ITEM *), size + 1);
|
|---|
| 327 | if (blob != 0 && list != 0) {
|
|---|
| 328 | FILE *fp = fopen(filename, "r");
|
|---|
| 329 | if (fp != 0) {
|
|---|
| 330 | if (fread(blob, sizeof(char), size, fp) == size) {
|
|---|
| 331 | bool mark = TRUE;
|
|---|
| 332 | for (j = k = 0; j < size; ++j) {
|
|---|
| 333 | if (mark) {
|
|---|
| 334 | list[k++] = blob + j;
|
|---|
| 335 | mark = FALSE;
|
|---|
| 336 | }
|
|---|
| 337 | if (blob[j] == '\n') {
|
|---|
| 338 | blob[j] = '\0';
|
|---|
| 339 | if (k > 0 && *list[k - 1] == '\0')
|
|---|
| 340 | --k;
|
|---|
| 341 | mark = TRUE;
|
|---|
| 342 | } else if (blob[j] == '\t') {
|
|---|
| 343 | blob[j] = ' '; /* menu items are printable */
|
|---|
| 344 | }
|
|---|
| 345 | }
|
|---|
| 346 | list[k] = 0;
|
|---|
| 347 | count = k;
|
|---|
| 348 | ap = list;
|
|---|
| 349 | }
|
|---|
| 350 | fclose(fp);
|
|---|
| 351 | }
|
|---|
| 352 | }
|
|---|
| 353 | }
|
|---|
| 354 | }
|
|---|
| 355 | if (ap == 0) {
|
|---|
| 356 | count = SIZEOF(labels) - 1;
|
|---|
| 357 | items = (ITEM **) calloc(count + 1, sizeof(*items));
|
|---|
| 358 | ap = labels;
|
|---|
| 359 | }
|
|---|
| 360 |
|
|---|
| 361 | ip = items;
|
|---|
| 362 | while (*ap != 0)
|
|---|
| 363 | *ip++ = new_item(*ap++, "");
|
|---|
| 364 | *ip = 0;
|
|---|
| 365 |
|
|---|
| 366 | mpSelect = menu_create(items, (int) count, 1, number);
|
|---|
| 367 | }
|
|---|
| 368 |
|
|---|
| 369 | static int
|
|---|
| 370 | perform_select_menu(int cmd)
|
|---|
| 371 | {
|
|---|
| 372 | return menu_driver(mpSelect, cmd);
|
|---|
| 373 | }
|
|---|
| 374 |
|
|---|
| 375 | /*****************************************************************************/
|
|---|
| 376 |
|
|---|
| 377 | #ifdef TRACE
|
|---|
| 378 | #define T_TBL(name) { #name, name }
|
|---|
| 379 | static struct {
|
|---|
| 380 | const char *name;
|
|---|
| 381 | unsigned mask;
|
|---|
| 382 | } t_tbl[] = {
|
|---|
| 383 |
|
|---|
| 384 | T_TBL(TRACE_DISABLE),
|
|---|
| 385 | T_TBL(TRACE_TIMES),
|
|---|
| 386 | T_TBL(TRACE_TPUTS),
|
|---|
| 387 | T_TBL(TRACE_UPDATE),
|
|---|
| 388 | T_TBL(TRACE_MOVE),
|
|---|
| 389 | T_TBL(TRACE_CHARPUT),
|
|---|
| 390 | T_TBL(TRACE_ORDINARY),
|
|---|
| 391 | T_TBL(TRACE_CALLS),
|
|---|
| 392 | T_TBL(TRACE_VIRTPUT),
|
|---|
| 393 | T_TBL(TRACE_IEVENT),
|
|---|
| 394 | T_TBL(TRACE_BITS),
|
|---|
| 395 | T_TBL(TRACE_ICALLS),
|
|---|
| 396 | T_TBL(TRACE_CCALLS),
|
|---|
| 397 | T_TBL(TRACE_DATABASE),
|
|---|
| 398 | T_TBL(TRACE_ATTRS),
|
|---|
| 399 | T_TBL(TRACE_MAXIMUM),
|
|---|
| 400 | {
|
|---|
| 401 | (char *) 0, 0
|
|---|
| 402 | }
|
|---|
| 403 | };
|
|---|
| 404 |
|
|---|
| 405 | static void
|
|---|
| 406 | build_trace_menu(MenuNo number)
|
|---|
| 407 | {
|
|---|
| 408 | static ITEM *items[SIZEOF(t_tbl)];
|
|---|
| 409 |
|
|---|
| 410 | ITEM **ip = items;
|
|---|
| 411 | int n;
|
|---|
| 412 |
|
|---|
| 413 | for (n = 0; t_tbl[n].name != 0; n++)
|
|---|
| 414 | *ip++ = new_item(t_tbl[n].name, "");
|
|---|
| 415 | *ip = (ITEM *) 0;
|
|---|
| 416 |
|
|---|
| 417 | mpTrace = menu_create(items, SIZEOF(t_tbl) - 1, 2, number);
|
|---|
| 418 | }
|
|---|
| 419 |
|
|---|
| 420 | static char *
|
|---|
| 421 | tracetrace(unsigned tlevel)
|
|---|
| 422 | {
|
|---|
| 423 | static char *buf;
|
|---|
| 424 | int n;
|
|---|
| 425 |
|
|---|
| 426 | if (buf == 0) {
|
|---|
| 427 | size_t need = 12;
|
|---|
| 428 | for (n = 0; t_tbl[n].name != 0; n++)
|
|---|
| 429 | need += strlen(t_tbl[n].name) + 2;
|
|---|
| 430 | buf = (char *) malloc(need);
|
|---|
| 431 | }
|
|---|
| 432 | sprintf(buf, "0x%02x = {", tlevel);
|
|---|
| 433 | if (tlevel == 0) {
|
|---|
| 434 | sprintf(buf + strlen(buf), "%s, ", t_tbl[0].name);
|
|---|
| 435 | } else {
|
|---|
| 436 | for (n = 1; t_tbl[n].name != 0; n++)
|
|---|
| 437 | if ((tlevel & t_tbl[n].mask) == t_tbl[n].mask) {
|
|---|
| 438 | strcat(buf, t_tbl[n].name);
|
|---|
| 439 | strcat(buf, ", ");
|
|---|
| 440 | }
|
|---|
| 441 | }
|
|---|
| 442 | if (buf[strlen(buf) - 2] == ',')
|
|---|
| 443 | buf[strlen(buf) - 2] = '\0';
|
|---|
| 444 | return (strcat(buf, "}"));
|
|---|
| 445 | }
|
|---|
| 446 |
|
|---|
| 447 | /* fake a dynamically reconfigurable menu using the 0th entry to deselect
|
|---|
| 448 | * the others
|
|---|
| 449 | */
|
|---|
| 450 | static bool
|
|---|
| 451 | update_trace_menu(MENU * m)
|
|---|
| 452 | {
|
|---|
| 453 | ITEM **items;
|
|---|
| 454 | ITEM *i, **p;
|
|---|
| 455 | bool changed = FALSE;
|
|---|
| 456 |
|
|---|
| 457 | items = menu_items(m);
|
|---|
| 458 | i = current_item(m);
|
|---|
| 459 | if (i == items[0]) {
|
|---|
| 460 | if (item_value(i)) {
|
|---|
| 461 | for (p = items + 1; *p != 0; p++)
|
|---|
| 462 | if (item_value(*p)) {
|
|---|
| 463 | set_item_value(*p, FALSE);
|
|---|
| 464 | changed = TRUE;
|
|---|
| 465 | }
|
|---|
| 466 | }
|
|---|
| 467 | }
|
|---|
| 468 | return changed;
|
|---|
| 469 | }
|
|---|
| 470 |
|
|---|
| 471 | static int
|
|---|
| 472 | perform_trace_menu(int cmd)
|
|---|
| 473 | /* interactively set the trace level */
|
|---|
| 474 | {
|
|---|
| 475 | ITEM **ip;
|
|---|
| 476 | unsigned newtrace;
|
|---|
| 477 | int result;
|
|---|
| 478 |
|
|---|
| 479 | for (ip = menu_items(mpTrace); *ip; ip++) {
|
|---|
| 480 | unsigned mask = t_tbl[item_index(*ip)].mask;
|
|---|
| 481 | if (mask == 0)
|
|---|
| 482 | set_item_value(*ip, _nc_tracing == 0);
|
|---|
| 483 | else if ((mask & _nc_tracing) == mask)
|
|---|
| 484 | set_item_value(*ip, TRUE);
|
|---|
| 485 | }
|
|---|
| 486 |
|
|---|
| 487 | result = menu_driver(mpTrace, cmd);
|
|---|
| 488 |
|
|---|
| 489 | if (result == E_OK) {
|
|---|
| 490 | if (update_trace_menu(mpTrace) || cmd == REQ_TOGGLE_ITEM) {
|
|---|
| 491 | newtrace = 0;
|
|---|
| 492 | for (ip = menu_items(mpTrace); *ip; ip++) {
|
|---|
| 493 | if (item_value(*ip))
|
|---|
| 494 | newtrace |= t_tbl[item_index(*ip)].mask;
|
|---|
| 495 | }
|
|---|
| 496 | trace(newtrace);
|
|---|
| 497 | _tracef("trace level interactively set to %s", tracetrace(_nc_tracing));
|
|---|
| 498 |
|
|---|
| 499 | (void) mvprintw(LINES - 2, 0,
|
|---|
| 500 | "Trace level is %s\n", tracetrace(_nc_tracing));
|
|---|
| 501 | refresh();
|
|---|
| 502 | }
|
|---|
| 503 | }
|
|---|
| 504 | return result;
|
|---|
| 505 | }
|
|---|
| 506 | #endif /* TRACE */
|
|---|
| 507 |
|
|---|
| 508 | /*****************************************************************************/
|
|---|
| 509 |
|
|---|
| 510 | static int
|
|---|
| 511 | menu_number(void)
|
|---|
| 512 | {
|
|---|
| 513 | return item_index(current_item(mpBanner));
|
|---|
| 514 | }
|
|---|
| 515 |
|
|---|
| 516 | static MENU *
|
|---|
| 517 | current_menu(void)
|
|---|
| 518 | {
|
|---|
| 519 | MENU *result;
|
|---|
| 520 |
|
|---|
| 521 | switch (menu_number()) {
|
|---|
| 522 | case eFile:
|
|---|
| 523 | result = mpFile;
|
|---|
| 524 | break;
|
|---|
| 525 | case eSelect:
|
|---|
| 526 | result = mpSelect;
|
|---|
| 527 | break;
|
|---|
| 528 | #ifdef TRACE
|
|---|
| 529 | case eTrace:
|
|---|
| 530 | result = mpTrace;
|
|---|
| 531 | break;
|
|---|
| 532 | #endif
|
|---|
| 533 | default:
|
|---|
| 534 | result = 0;
|
|---|
| 535 | break;
|
|---|
| 536 | }
|
|---|
| 537 | return result;
|
|---|
| 538 | }
|
|---|
| 539 |
|
|---|
| 540 | static void
|
|---|
| 541 | build_menus(char *filename)
|
|---|
| 542 | {
|
|---|
| 543 | static const char *labels[] =
|
|---|
| 544 | {
|
|---|
| 545 | "File",
|
|---|
| 546 | "Select",
|
|---|
| 547 | #ifdef TRACE
|
|---|
| 548 | "Trace",
|
|---|
| 549 | #endif
|
|---|
| 550 | (char *) 0
|
|---|
| 551 | };
|
|---|
| 552 | static ITEM *items[SIZEOF(labels)];
|
|---|
| 553 |
|
|---|
| 554 | ITEM **ip = items;
|
|---|
| 555 | const char **ap;
|
|---|
| 556 |
|
|---|
| 557 | for (ap = labels; *ap; ap++)
|
|---|
| 558 | *ip++ = new_item(*ap, "");
|
|---|
| 559 | *ip = (ITEM *) 0;
|
|---|
| 560 |
|
|---|
| 561 | mpBanner = menu_create(items, SIZEOF(labels) - 1, SIZEOF(labels) - 1, eUnknown);
|
|---|
| 562 | set_menu_mark(mpBanner, ">");
|
|---|
| 563 |
|
|---|
| 564 | build_file_menu(eFile);
|
|---|
| 565 | build_select_menu(eSelect, filename);
|
|---|
| 566 | #ifdef TRACE
|
|---|
| 567 | build_trace_menu(eTrace);
|
|---|
| 568 | #endif
|
|---|
| 569 | }
|
|---|
| 570 |
|
|---|
| 571 | static void
|
|---|
| 572 | perform_menus(void)
|
|---|
| 573 | {
|
|---|
| 574 | MENU *this_menu;
|
|---|
| 575 | MENU *last_menu = mpFile;
|
|---|
| 576 | int code = E_UNKNOWN_COMMAND, cmd, ch;
|
|---|
| 577 |
|
|---|
| 578 | #ifdef NCURSES_MOUSE_VERSION
|
|---|
| 579 | mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
|
|---|
| 580 | #endif
|
|---|
| 581 |
|
|---|
| 582 | menu_display(last_menu);
|
|---|
| 583 |
|
|---|
| 584 | for (;;) {
|
|---|
| 585 | ch = menu_getc(mpBanner);
|
|---|
| 586 | cmd = menu_virtualize(ch);
|
|---|
| 587 |
|
|---|
| 588 | switch (cmd) {
|
|---|
| 589 | /*
|
|---|
| 590 | * The banner menu acts solely to select one of the other menus.
|
|---|
| 591 | * Move between its items, wrapping at the left/right limits.
|
|---|
| 592 | */
|
|---|
| 593 | case REQ_LEFT_ITEM:
|
|---|
| 594 | case REQ_RIGHT_ITEM:
|
|---|
| 595 | code = menu_driver(mpBanner, cmd);
|
|---|
| 596 | if (code == E_REQUEST_DENIED) {
|
|---|
| 597 | if (menu_number() > 0)
|
|---|
| 598 | code = menu_driver(mpBanner, REQ_FIRST_ITEM);
|
|---|
| 599 | else
|
|---|
| 600 | code = menu_driver(mpBanner, REQ_LAST_ITEM);
|
|---|
| 601 | }
|
|---|
| 602 | break;
|
|---|
| 603 | default:
|
|---|
| 604 | switch (menu_number()) {
|
|---|
| 605 | case eFile:
|
|---|
| 606 | code = perform_file_menu(cmd);
|
|---|
| 607 | break;
|
|---|
| 608 | case eSelect:
|
|---|
| 609 | code = perform_select_menu(cmd);
|
|---|
| 610 | break;
|
|---|
| 611 | #ifdef TRACE
|
|---|
| 612 | case eTrace:
|
|---|
| 613 | code = perform_trace_menu(cmd);
|
|---|
| 614 | break;
|
|---|
| 615 | #endif
|
|---|
| 616 | }
|
|---|
| 617 |
|
|---|
| 618 | if ((code == E_REQUEST_DENIED) && (cmd == KEY_MOUSE)) {
|
|---|
| 619 | code = menu_driver(mpBanner, cmd);
|
|---|
| 620 | }
|
|---|
| 621 |
|
|---|
| 622 | break;
|
|---|
| 623 | }
|
|---|
| 624 |
|
|---|
| 625 | if (code == E_OK) {
|
|---|
| 626 | this_menu = current_menu();
|
|---|
| 627 | if (this_menu != last_menu) {
|
|---|
| 628 | move(1, 0);
|
|---|
| 629 | clrtobot();
|
|---|
| 630 | box(menu_win(this_menu), 0, 0);
|
|---|
| 631 | refresh();
|
|---|
| 632 |
|
|---|
| 633 | /* force the current menu to appear */
|
|---|
| 634 | menu_display(this_menu);
|
|---|
| 635 |
|
|---|
| 636 | last_menu = this_menu;
|
|---|
| 637 | }
|
|---|
| 638 | }
|
|---|
| 639 | wrefresh(menu_win(last_menu));
|
|---|
| 640 | if (code == E_UNKNOWN_COMMAND
|
|---|
| 641 | || code == E_NOT_POSTED) {
|
|---|
| 642 | if (menu_number() == eFile)
|
|---|
| 643 | break;
|
|---|
| 644 | beep();
|
|---|
| 645 | }
|
|---|
| 646 | if (code == E_REQUEST_DENIED)
|
|---|
| 647 | beep();
|
|---|
| 648 | continue;
|
|---|
| 649 | }
|
|---|
| 650 |
|
|---|
| 651 | #ifdef NCURSES_MOUSE_VERSION
|
|---|
| 652 | mousemask(0, (mmask_t *) 0);
|
|---|
| 653 | #endif
|
|---|
| 654 | }
|
|---|
| 655 |
|
|---|
| 656 | static void
|
|---|
| 657 | destroy_menus(void)
|
|---|
| 658 | {
|
|---|
| 659 | menu_destroy(mpFile);
|
|---|
| 660 | menu_destroy(mpSelect);
|
|---|
| 661 | #ifdef TRACE
|
|---|
| 662 | menu_destroy(mpTrace);
|
|---|
| 663 | #endif
|
|---|
| 664 | menu_destroy(mpBanner);
|
|---|
| 665 | }
|
|---|
| 666 |
|
|---|
| 667 | int
|
|---|
| 668 | main(int argc, char *argv[])
|
|---|
| 669 | {
|
|---|
| 670 | setlocale(LC_ALL, "");
|
|---|
| 671 |
|
|---|
| 672 | initscr();
|
|---|
| 673 | noraw();
|
|---|
| 674 | cbreak();
|
|---|
| 675 | noecho();
|
|---|
| 676 |
|
|---|
| 677 | if (has_colors()) {
|
|---|
| 678 | start_color();
|
|---|
| 679 | init_pair(1, COLOR_RED, COLOR_BLACK);
|
|---|
| 680 | init_pair(2, COLOR_BLUE, COLOR_WHITE);
|
|---|
| 681 | }
|
|---|
| 682 | build_menus(argc > 1 ? argv[1] : 0);
|
|---|
| 683 | perform_menus();
|
|---|
| 684 | destroy_menus();
|
|---|
| 685 |
|
|---|
| 686 | endwin();
|
|---|
| 687 | return EXIT_SUCCESS;
|
|---|
| 688 | }
|
|---|
| 689 | #else
|
|---|
| 690 | int
|
|---|
| 691 | main(void)
|
|---|
| 692 | {
|
|---|
| 693 | printf("This program requires the curses menu library\n");
|
|---|
| 694 | ExitProgram(EXIT_FAILURE);
|
|---|
| 695 | }
|
|---|
| 696 | #endif
|
|---|
