menu.c revision 1.5.2.2
1 1.5.2.2 wrstuden /* $Id: menu.c,v 1.5.2.2 1999/12/27 18:30:03 wrstuden Exp $ */ 2 1.5.2.2 wrstuden 3 1.5.2.2 wrstuden /*- 4 1.5.2.2 wrstuden * Copyright (c) 1998-1999 Brett Lymn (blymn (at) baea.com.au, brett_lymn (at) yahoo.com.au) 5 1.5.2.2 wrstuden * All rights reserved. 6 1.5.2.2 wrstuden * 7 1.5.2.2 wrstuden * Redistribution and use in source and binary forms, with or without 8 1.5.2.2 wrstuden * modification, are permitted provided that the following conditions 9 1.5.2.2 wrstuden * are met: 10 1.5.2.2 wrstuden * 1. Redistributions of source code must retain the above copyright 11 1.5.2.2 wrstuden * notice, this list of conditions and the following disclaimer. 12 1.5.2.2 wrstuden * 2. The name of the author may not be used to endorse or promote products 13 1.5.2.2 wrstuden * derived from this software withough specific prior written permission 14 1.5.2.2 wrstuden * 15 1.5.2.2 wrstuden * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 1.5.2.2 wrstuden * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 1.5.2.2 wrstuden * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 1.5.2.2 wrstuden * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 1.5.2.2 wrstuden * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 1.5.2.2 wrstuden * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 1.5.2.2 wrstuden * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 1.5.2.2 wrstuden * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 1.5.2.2 wrstuden * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 1.5.2.2 wrstuden * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 1.5.2.2 wrstuden * 26 1.5.2.2 wrstuden * 27 1.5.2.2 wrstuden */ 28 1.5.2.2 wrstuden 29 1.5.2.2 wrstuden #include <ctype.h> 30 1.5.2.2 wrstuden #include <menu.h> 31 1.5.2.2 wrstuden #include <string.h> 32 1.5.2.2 wrstuden #include <stdlib.h> 33 1.5.2.2 wrstuden #include "internals.h" 34 1.5.2.2 wrstuden 35 1.5.2.2 wrstuden MENU _menui_default_menu = { 36 1.5.2.2 wrstuden 16, /* number of item rows that will fit in window */ 37 1.5.2.2 wrstuden 1, /* number of columns of items that will fit in window */ 38 1.5.2.2 wrstuden 0, /* number of rows of items we have */ 39 1.5.2.2 wrstuden 0, /* number of columns of items we have */ 40 1.5.2.2 wrstuden 0, /* current cursor row */ 41 1.5.2.2 wrstuden 0, /* current cursor column */ 42 1.5.2.2 wrstuden {NULL, 0}, /* mark string */ 43 1.5.2.2 wrstuden {NULL, 0}, /* unmark string */ 44 1.5.2.2 wrstuden O_ONEVALUE, /* menu options */ 45 1.5.2.2 wrstuden NULL, /* the pattern buffer */ 46 1.5.2.2 wrstuden 0, /* length of pattern buffer */ 47 1.5.2.2 wrstuden 0, /* the length of matched buffer */ 48 1.5.2.2 wrstuden 0, /* is the menu posted? */ 49 1.5.2.2 wrstuden A_REVERSE, /* menu foreground */ 50 1.5.2.2 wrstuden A_NORMAL, /* menu background */ 51 1.5.2.2 wrstuden A_UNDERLINE, /* unselectable menu item */ 52 1.5.2.2 wrstuden ' ', /* filler between name and description */ 53 1.5.2.2 wrstuden NULL, /* user defined pointer */ 54 1.5.2.2 wrstuden 0, /* top row of menu */ 55 1.5.2.2 wrstuden 0, /* widest item in the menu */ 56 1.5.2.2 wrstuden 0, /* the width of a menu column */ 57 1.5.2.2 wrstuden 0, /* number of items attached to the menu */ 58 1.5.2.2 wrstuden NULL, /* items in the menu */ 59 1.5.2.2 wrstuden 0, /* current menu item */ 60 1.5.2.2 wrstuden 0, /* currently in a hook function */ 61 1.5.2.2 wrstuden NULL, /* function called when menu posted */ 62 1.5.2.2 wrstuden NULL, /* function called when menu is unposted */ 63 1.5.2.2 wrstuden NULL, /* function called when current item changes */ 64 1.5.2.2 wrstuden NULL, /* function called when current item changes */ 65 1.5.2.2 wrstuden NULL, /* the menu window */ 66 1.5.2.2 wrstuden NULL, /* the menu subwindow */ 67 1.5.2.2 wrstuden 0 /* subwindow was created by library call */ 68 1.5.2.2 wrstuden }; 69 1.5.2.2 wrstuden 70 1.5.2.2 wrstuden 71 1.5.2.2 wrstuden 72 1.5.2.2 wrstuden /* 73 1.5.2.2 wrstuden * Set the menu mark character 74 1.5.2.2 wrstuden */ 75 1.5.2.2 wrstuden int 76 1.5.2.2 wrstuden set_menu_mark(m, mark) 77 1.5.2.2 wrstuden MENU *m; 78 1.5.2.2 wrstuden char *mark; 79 1.5.2.2 wrstuden { 80 1.5.2.2 wrstuden MENU *menu = m; 81 1.5.2.2 wrstuden 82 1.5.2.2 wrstuden if (m == NULL) menu = &_menui_default_menu; 83 1.5.2.2 wrstuden 84 1.5.2.2 wrstuden /* if there was an old mark string, free it first */ 85 1.5.2.2 wrstuden if (menu->mark.string != NULL) free(menu->mark.string); 86 1.5.2.2 wrstuden 87 1.5.2.2 wrstuden if ((menu->mark.string = (char *) malloc(strlen(mark))) == NULL) 88 1.5.2.2 wrstuden return E_SYSTEM_ERROR; 89 1.5.2.2 wrstuden 90 1.5.2.2 wrstuden strcpy(menu->mark.string, mark); 91 1.5.2.2 wrstuden menu->mark.length = strlen(mark); 92 1.5.2.2 wrstuden 93 1.5.2.2 wrstuden /* max item size may have changed - recalculate. */ 94 1.5.2.2 wrstuden _menui_max_item_size(menu); 95 1.5.2.2 wrstuden return E_OK; 96 1.5.2.2 wrstuden } 97 1.5.2.2 wrstuden 98 1.5.2.2 wrstuden /* 99 1.5.2.2 wrstuden * Return the menu mark string for the menu. 100 1.5.2.2 wrstuden */ 101 1.5.2.2 wrstuden char * 102 1.5.2.2 wrstuden menu_mark(menu) 103 1.5.2.2 wrstuden MENU *menu; 104 1.5.2.2 wrstuden { 105 1.5.2.2 wrstuden if (menu == NULL) 106 1.5.2.2 wrstuden return _menui_default_menu.mark.string; 107 1.5.2.2 wrstuden else 108 1.5.2.2 wrstuden return menu->mark.string; 109 1.5.2.2 wrstuden } 110 1.5.2.2 wrstuden 111 1.5.2.2 wrstuden /* 112 1.5.2.2 wrstuden * Set the menu unmark character 113 1.5.2.2 wrstuden */ 114 1.5.2.2 wrstuden int 115 1.5.2.2 wrstuden set_menu_unmark(m, mark) 116 1.5.2.2 wrstuden MENU *m; 117 1.5.2.2 wrstuden char *mark; 118 1.5.2.2 wrstuden { 119 1.5.2.2 wrstuden MENU *menu = m; 120 1.5.2.2 wrstuden 121 1.5.2.2 wrstuden if (m == NULL) menu = &_menui_default_menu; 122 1.5.2.2 wrstuden 123 1.5.2.2 wrstuden /* if there was an old mark string, free it first */ 124 1.5.2.2 wrstuden if (menu->unmark.string != NULL) free(menu->unmark.string); 125 1.5.2.2 wrstuden 126 1.5.2.2 wrstuden if ((menu->unmark.string = (char *) malloc(strlen(mark))) == NULL) 127 1.5.2.2 wrstuden return E_SYSTEM_ERROR; 128 1.5.2.2 wrstuden 129 1.5.2.2 wrstuden strcpy(menu->unmark.string, mark); 130 1.5.2.2 wrstuden menu->unmark.length = strlen(mark); 131 1.5.2.2 wrstuden /* max item size may have changed - recalculate. */ 132 1.5.2.2 wrstuden _menui_max_item_size(menu); 133 1.5.2.2 wrstuden return E_OK; 134 1.5.2.2 wrstuden } 135 1.5.2.2 wrstuden 136 1.5.2.2 wrstuden /* 137 1.5.2.2 wrstuden * Return the menu unmark string for the menu. 138 1.5.2.2 wrstuden */ 139 1.5.2.2 wrstuden char * 140 1.5.2.2 wrstuden menu_unmark(menu) 141 1.5.2.2 wrstuden MENU *menu; 142 1.5.2.2 wrstuden { 143 1.5.2.2 wrstuden if (menu == NULL) 144 1.5.2.2 wrstuden return _menui_default_menu.unmark.string; 145 1.5.2.2 wrstuden else 146 1.5.2.2 wrstuden return menu->unmark.string; 147 1.5.2.2 wrstuden } 148 1.5.2.2 wrstuden 149 1.5.2.2 wrstuden /* 150 1.5.2.2 wrstuden * Set the menu window to the window passed. 151 1.5.2.2 wrstuden */ 152 1.5.2.2 wrstuden int 153 1.5.2.2 wrstuden set_menu_win(menu, win) 154 1.5.2.2 wrstuden MENU *menu; 155 1.5.2.2 wrstuden WINDOW *win; 156 1.5.2.2 wrstuden { 157 1.5.2.2 wrstuden if (menu == NULL) 158 1.5.2.2 wrstuden _menui_default_menu.menu_win = win; 159 1.5.2.2 wrstuden else 160 1.5.2.2 wrstuden menu->menu_win = win; 161 1.5.2.2 wrstuden return E_OK; 162 1.5.2.2 wrstuden } 163 1.5.2.2 wrstuden 164 1.5.2.2 wrstuden /* 165 1.5.2.2 wrstuden * Return the pointer to the menu window 166 1.5.2.2 wrstuden */ 167 1.5.2.2 wrstuden WINDOW * 168 1.5.2.2 wrstuden menu_win(menu) 169 1.5.2.2 wrstuden MENU *menu; 170 1.5.2.2 wrstuden { 171 1.5.2.2 wrstuden if (menu == NULL) 172 1.5.2.2 wrstuden return _menui_default_menu.menu_win; 173 1.5.2.2 wrstuden else 174 1.5.2.2 wrstuden return menu->menu_win; 175 1.5.2.2 wrstuden } 176 1.5.2.2 wrstuden 177 1.5.2.2 wrstuden /* 178 1.5.2.2 wrstuden * Set the menu subwindow for the menu. 179 1.5.2.2 wrstuden */ 180 1.5.2.2 wrstuden int 181 1.5.2.2 wrstuden set_menu_sub(menu, sub) 182 1.5.2.2 wrstuden MENU *menu; 183 1.5.2.2 wrstuden WINDOW *sub; 184 1.5.2.2 wrstuden { 185 1.5.2.2 wrstuden if (menu == NULL) 186 1.5.2.2 wrstuden _menui_default_menu.menu_subwin = sub; 187 1.5.2.2 wrstuden else 188 1.5.2.2 wrstuden menu->menu_subwin = sub; 189 1.5.2.2 wrstuden return E_OK; 190 1.5.2.2 wrstuden } 191 1.5.2.2 wrstuden 192 1.5.2.2 wrstuden /* 193 1.5.2.2 wrstuden * Return the subwindow pointer for the menu 194 1.5.2.2 wrstuden */ 195 1.5.2.2 wrstuden WINDOW * 196 1.5.2.2 wrstuden menu_sub(menu) 197 1.5.2.2 wrstuden MENU *menu; 198 1.5.2.2 wrstuden { 199 1.5.2.2 wrstuden if (menu == NULL) 200 1.5.2.2 wrstuden return _menui_default_menu.menu_subwin; 201 1.5.2.2 wrstuden else 202 1.5.2.2 wrstuden return menu->menu_subwin; 203 1.5.2.2 wrstuden } 204 1.5.2.2 wrstuden 205 1.5.2.2 wrstuden /* 206 1.5.2.2 wrstuden * Set the maximum number of rows and columns of items that may be displayed. 207 1.5.2.2 wrstuden */ 208 1.5.2.2 wrstuden int 209 1.5.2.2 wrstuden set_menu_format(param_menu, rows, cols) 210 1.5.2.2 wrstuden MENU *param_menu; 211 1.5.2.2 wrstuden int rows; 212 1.5.2.2 wrstuden int cols; 213 1.5.2.2 wrstuden { 214 1.5.2.2 wrstuden MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu; 215 1.5.2.2 wrstuden 216 1.5.2.2 wrstuden menu->rows = rows; 217 1.5.2.2 wrstuden menu->cols = cols; 218 1.5.2.2 wrstuden 219 1.5.2.2 wrstuden if (menu->items != NULL) 220 1.5.2.2 wrstuden /* recalculate the item neighbours */ 221 1.5.2.2 wrstuden return _menui_stitch_items(menu); 222 1.5.2.2 wrstuden 223 1.5.2.2 wrstuden return E_OK; 224 1.5.2.2 wrstuden } 225 1.5.2.2 wrstuden 226 1.5.2.2 wrstuden /* 227 1.5.2.2 wrstuden * Return the max number of rows and cols that may be displayed. 228 1.5.2.2 wrstuden */ 229 1.5.2.2 wrstuden void 230 1.5.2.2 wrstuden menu_format(param_menu, rows, cols) 231 1.5.2.2 wrstuden MENU *param_menu; 232 1.5.2.2 wrstuden int *rows; 233 1.5.2.2 wrstuden int *cols; 234 1.5.2.2 wrstuden { 235 1.5.2.2 wrstuden MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu; 236 1.5.2.2 wrstuden 237 1.5.2.2 wrstuden *rows = menu->rows; 238 1.5.2.2 wrstuden *cols = menu->cols; 239 1.5.2.2 wrstuden } 240 1.5.2.2 wrstuden 241 1.5.2.2 wrstuden /* 242 1.5.2.2 wrstuden * Set the user defined function to call when a menu is posted. 243 1.5.2.2 wrstuden */ 244 1.5.2.2 wrstuden int 245 1.5.2.2 wrstuden set_menu_init(menu, func) 246 1.5.2.2 wrstuden MENU *menu; 247 1.5.2.2 wrstuden Menu_Hook func; 248 1.5.2.2 wrstuden { 249 1.5.2.2 wrstuden if (menu == NULL) 250 1.5.2.2 wrstuden _menui_default_menu.menu_init = func; 251 1.5.2.2 wrstuden else 252 1.5.2.2 wrstuden menu->menu_init = func; 253 1.5.2.2 wrstuden return E_OK; 254 1.5.2.2 wrstuden } 255 1.5.2.2 wrstuden 256 1.5.2.2 wrstuden /* 257 1.5.2.2 wrstuden * Return the pointer to the menu init function. 258 1.5.2.2 wrstuden */ 259 1.5.2.2 wrstuden Menu_Hook 260 1.5.2.2 wrstuden menu_init(MENU *menu) 261 1.5.2.2 wrstuden { 262 1.5.2.2 wrstuden if (menu == NULL) 263 1.5.2.2 wrstuden return _menui_default_menu.menu_init; 264 1.5.2.2 wrstuden else 265 1.5.2.2 wrstuden return menu->menu_init; 266 1.5.2.2 wrstuden } 267 1.5.2.2 wrstuden 268 1.5.2.2 wrstuden /* 269 1.5.2.2 wrstuden * Set the user defined function called when a menu is unposted. 270 1.5.2.2 wrstuden */ 271 1.5.2.2 wrstuden int 272 1.5.2.2 wrstuden set_menu_term(menu, func) 273 1.5.2.2 wrstuden MENU *menu; 274 1.5.2.2 wrstuden Menu_Hook func; 275 1.5.2.2 wrstuden { 276 1.5.2.2 wrstuden if (menu == NULL) 277 1.5.2.2 wrstuden _menui_default_menu.menu_term = func; 278 1.5.2.2 wrstuden else 279 1.5.2.2 wrstuden menu->menu_term = func; 280 1.5.2.2 wrstuden return E_OK; 281 1.5.2.2 wrstuden } 282 1.5.2.2 wrstuden 283 1.5.2.2 wrstuden /* 284 1.5.2.2 wrstuden * Return the user defined menu termination function pointer. 285 1.5.2.2 wrstuden */ 286 1.5.2.2 wrstuden Menu_Hook 287 1.5.2.2 wrstuden menu_term(menu) 288 1.5.2.2 wrstuden MENU *menu; 289 1.5.2.2 wrstuden { 290 1.5.2.2 wrstuden if (menu == NULL) 291 1.5.2.2 wrstuden return _menui_default_menu.menu_term; 292 1.5.2.2 wrstuden else 293 1.5.2.2 wrstuden return menu->menu_term; 294 1.5.2.2 wrstuden } 295 1.5.2.2 wrstuden 296 1.5.2.2 wrstuden /* 297 1.5.2.2 wrstuden * Return the current menu options set. 298 1.5.2.2 wrstuden */ 299 1.5.2.2 wrstuden OPTIONS 300 1.5.2.2 wrstuden menu_opts(menu) 301 1.5.2.2 wrstuden MENU *menu; 302 1.5.2.2 wrstuden { 303 1.5.2.2 wrstuden if (menu == NULL) 304 1.5.2.2 wrstuden return _menui_default_menu.opts; 305 1.5.2.2 wrstuden else 306 1.5.2.2 wrstuden return menu->opts; 307 1.5.2.2 wrstuden } 308 1.5.2.2 wrstuden 309 1.5.2.2 wrstuden /* 310 1.5.2.2 wrstuden * Set the menu options to the given options. 311 1.5.2.2 wrstuden */ 312 1.5.2.2 wrstuden int 313 1.5.2.2 wrstuden set_menu_opts(param_menu, opts) 314 1.5.2.2 wrstuden MENU *param_menu; 315 1.5.2.2 wrstuden OPTIONS opts; 316 1.5.2.2 wrstuden { 317 1.5.2.2 wrstuden MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu; 318 1.5.2.2 wrstuden OPTIONS old_opts = menu->opts; 319 1.5.2.2 wrstuden 320 1.5.2.2 wrstuden menu->opts = opts; 321 1.5.2.2 wrstuden 322 1.5.2.2 wrstuden if ((menu->opts & O_ROWMAJOR) != (old_opts & O_ROWMAJOR)) 323 1.5.2.2 wrstuden /* changed menu layout - need to recalc neighbours */ 324 1.5.2.2 wrstuden _menui_stitch_items(menu); 325 1.5.2.2 wrstuden 326 1.5.2.2 wrstuden return E_OK; 327 1.5.2.2 wrstuden } 328 1.5.2.2 wrstuden 329 1.5.2.2 wrstuden /* 330 1.5.2.2 wrstuden * Turn on the options in menu given by opts. 331 1.5.2.2 wrstuden */ 332 1.5.2.2 wrstuden int 333 1.5.2.2 wrstuden menu_opts_on(param_menu, opts) 334 1.5.2.2 wrstuden MENU *param_menu; 335 1.5.2.2 wrstuden OPTIONS opts; 336 1.5.2.2 wrstuden { 337 1.5.2.2 wrstuden MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu; 338 1.5.2.2 wrstuden OPTIONS old_opts = menu->opts; 339 1.5.2.2 wrstuden 340 1.5.2.2 wrstuden menu->opts |= opts; 341 1.5.2.2 wrstuden 342 1.5.2.2 wrstuden if ((menu->items != NULL) && 343 1.5.2.2 wrstuden (menu->opts & O_ROWMAJOR) != (old_opts & O_ROWMAJOR)) 344 1.5.2.2 wrstuden /* changed menu layout - need to recalc neighbours */ 345 1.5.2.2 wrstuden _menui_stitch_items(menu); 346 1.5.2.2 wrstuden 347 1.5.2.2 wrstuden return E_OK; 348 1.5.2.2 wrstuden } 349 1.5.2.2 wrstuden 350 1.5.2.2 wrstuden /* 351 1.5.2.2 wrstuden * Turn off the menu options given in opts. 352 1.5.2.2 wrstuden */ 353 1.5.2.2 wrstuden int 354 1.5.2.2 wrstuden menu_opts_off(param_menu, opts) 355 1.5.2.2 wrstuden MENU *param_menu; 356 1.5.2.2 wrstuden OPTIONS opts; 357 1.5.2.2 wrstuden { 358 1.5.2.2 wrstuden MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu; 359 1.5.2.2 wrstuden OPTIONS old_opts = menu->opts; 360 1.5.2.2 wrstuden 361 1.5.2.2 wrstuden menu->opts &= ~(opts); 362 1.5.2.2 wrstuden 363 1.5.2.2 wrstuden if ((menu->items != NULL ) && 364 1.5.2.2 wrstuden (menu->opts & O_ROWMAJOR) != (old_opts & O_ROWMAJOR)) 365 1.5.2.2 wrstuden /* changed menu layout - need to recalc neighbours */ 366 1.5.2.2 wrstuden _menui_stitch_items(menu); 367 1.5.2.2 wrstuden 368 1.5.2.2 wrstuden return E_OK; 369 1.5.2.2 wrstuden } 370 1.5.2.2 wrstuden 371 1.5.2.2 wrstuden /* 372 1.5.2.2 wrstuden * Return the menu pattern buffer. 373 1.5.2.2 wrstuden */ 374 1.5.2.2 wrstuden char * 375 1.5.2.2 wrstuden menu_pattern(menu) 376 1.5.2.2 wrstuden MENU *menu; 377 1.5.2.2 wrstuden { 378 1.5.2.2 wrstuden if (menu == NULL) 379 1.5.2.2 wrstuden return _menui_default_menu.pattern; 380 1.5.2.2 wrstuden else 381 1.5.2.2 wrstuden return menu->pattern; 382 1.5.2.2 wrstuden } 383 1.5.2.2 wrstuden 384 1.5.2.2 wrstuden /* 385 1.5.2.2 wrstuden * Set the menu pattern buffer to pat and attempt to match the pattern in 386 1.5.2.2 wrstuden * the item list. 387 1.5.2.2 wrstuden */ 388 1.5.2.2 wrstuden int 389 1.5.2.2 wrstuden set_menu_pattern(param_menu, pat) 390 1.5.2.2 wrstuden MENU *param_menu; 391 1.5.2.2 wrstuden char *pat; 392 1.5.2.2 wrstuden { 393 1.5.2.2 wrstuden MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu; 394 1.5.2.2 wrstuden char *p = pat; 395 1.5.2.2 wrstuden 396 1.5.2.2 wrstuden /* check pattern is all printable characters */ 397 1.5.2.2 wrstuden while (*p) 398 1.5.2.2 wrstuden if (!isprint(*p++)) return E_BAD_ARGUMENT; 399 1.5.2.2 wrstuden 400 1.5.2.2 wrstuden if ((menu->pattern = (char *) realloc(menu->pattern, 401 1.5.2.2 wrstuden sizeof(char) * strlen(pat))) == NULL) 402 1.5.2.2 wrstuden return E_SYSTEM_ERROR; 403 1.5.2.2 wrstuden 404 1.5.2.2 wrstuden strcpy(menu->pattern, pat); 405 1.5.2.2 wrstuden menu->plen = strlen(pat); 406 1.5.2.2 wrstuden 407 1.5.2.2 wrstuden /* search item list for pat here */ 408 1.5.2.2 wrstuden return _menui_match_items(menu, MATCH_FORWARD, &menu->cur_item); 409 1.5.2.2 wrstuden } 410 1.5.2.2 wrstuden 411 1.5.2.2 wrstuden /* 412 1.5.2.2 wrstuden * Allocate a new menu structure and fill it in. 413 1.5.2.2 wrstuden */ 414 1.5.2.2 wrstuden MENU * 415 1.5.2.2 wrstuden new_menu(items) 416 1.5.2.2 wrstuden ITEM **items; 417 1.5.2.2 wrstuden { 418 1.5.2.2 wrstuden MENU *the_menu; 419 1.5.2.2 wrstuden 420 1.5.2.2 wrstuden if ((the_menu = (MENU *)malloc(sizeof(MENU))) == NULL) 421 1.5.2.2 wrstuden return NULL; 422 1.5.2.2 wrstuden 423 1.5.2.2 wrstuden /* copy the defaults */ 424 1.5.2.2 wrstuden (void)memcpy(the_menu, &_menui_default_menu, sizeof(MENU)); 425 1.5.2.2 wrstuden 426 1.5.2.2 wrstuden /* set a default window if none already set. */ 427 1.5.2.2 wrstuden if (the_menu->menu_win == NULL) 428 1.5.2.2 wrstuden the_menu->menu_win = stdscr; 429 1.5.2.2 wrstuden 430 1.5.2.2 wrstuden /* now attach the items, if any */ 431 1.5.2.2 wrstuden if (items != NULL) { 432 1.5.2.2 wrstuden if(set_menu_items(the_menu, items) < 0) { 433 1.5.2.2 wrstuden free(the_menu); 434 1.5.2.2 wrstuden return NULL; 435 1.5.2.2 wrstuden } 436 1.5.2.2 wrstuden } 437 1.5.2.2 wrstuden 438 1.5.2.2 wrstuden return the_menu; 439 1.5.2.2 wrstuden } 440 1.5.2.2 wrstuden 441 1.5.2.2 wrstuden /* 442 1.5.2.2 wrstuden * Free up storage allocated to the menu object and destroy it. 443 1.5.2.2 wrstuden */ 444 1.5.2.2 wrstuden int 445 1.5.2.2 wrstuden free_menu(menu) 446 1.5.2.2 wrstuden MENU *menu; 447 1.5.2.2 wrstuden { 448 1.5.2.2 wrstuden int i; 449 1.5.2.2 wrstuden 450 1.5.2.2 wrstuden if (menu == NULL) 451 1.5.2.2 wrstuden return E_BAD_ARGUMENT; 452 1.5.2.2 wrstuden 453 1.5.2.2 wrstuden if (menu->posted != 0) 454 1.5.2.2 wrstuden return E_POSTED; 455 1.5.2.2 wrstuden 456 1.5.2.2 wrstuden if (menu->pattern != NULL) 457 1.5.2.2 wrstuden free(menu->pattern); 458 1.5.2.2 wrstuden 459 1.5.2.2 wrstuden if (menu->mark.string != NULL) 460 1.5.2.2 wrstuden free(menu->mark.string); 461 1.5.2.2 wrstuden 462 1.5.2.2 wrstuden if (menu->items != NULL) { 463 1.5.2.2 wrstuden /* disconnect the items from this menu */ 464 1.5.2.2 wrstuden for (i = 0; i < menu->item_count; i++) { 465 1.5.2.2 wrstuden menu->items[i]->parent = NULL; 466 1.5.2.2 wrstuden } 467 1.5.2.2 wrstuden } 468 1.5.2.2 wrstuden 469 1.5.2.2 wrstuden free(menu); 470 1.5.2.2 wrstuden return E_OK; 471 1.5.2.2 wrstuden } 472 1.5.2.2 wrstuden 473 1.5.2.2 wrstuden /* 474 1.5.2.2 wrstuden * Calculate the minimum window size for the menu. 475 1.5.2.2 wrstuden */ 476 1.5.2.2 wrstuden int 477 1.5.2.2 wrstuden scale_menu(param_menu, rows, cols) 478 1.5.2.2 wrstuden MENU *param_menu; 479 1.5.2.2 wrstuden int *rows; 480 1.5.2.2 wrstuden int *cols; 481 1.5.2.2 wrstuden { 482 1.5.2.2 wrstuden MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu; 483 1.5.2.2 wrstuden 484 1.5.2.2 wrstuden if (menu->items == NULL) 485 1.5.2.2 wrstuden return E_BAD_ARGUMENT; 486 1.5.2.2 wrstuden 487 1.5.2.2 wrstuden /* calculate the max item size */ 488 1.5.2.2 wrstuden _menui_max_item_size(menu); 489 1.5.2.2 wrstuden 490 1.5.2.2 wrstuden *rows = menu->rows; 491 1.5.2.2 wrstuden *cols = menu->cols * menu->max_item_width; 492 1.5.2.2 wrstuden 493 1.5.2.2 wrstuden /* 494 1.5.2.2 wrstuden * allow for spacing between columns... 495 1.5.2.2 wrstuden */ 496 1.5.2.2 wrstuden *cols += menu->cols - 1; 497 1.5.2.2 wrstuden 498 1.5.2.2 wrstuden return E_OK; 499 1.5.2.2 wrstuden } 500 1.5.2.2 wrstuden 501 1.5.2.2 wrstuden /* 502 1.5.2.2 wrstuden * Set the menu item list to the one given. 503 1.5.2.2 wrstuden */ 504 1.5.2.2 wrstuden int 505 1.5.2.2 wrstuden set_menu_items(param_menu, items) 506 1.5.2.2 wrstuden MENU *param_menu; 507 1.5.2.2 wrstuden ITEM **items; 508 1.5.2.2 wrstuden { 509 1.5.2.2 wrstuden MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu; 510 1.5.2.2 wrstuden int i, new_count = 0; 511 1.5.2.2 wrstuden 512 1.5.2.2 wrstuden /* don't change if menu is posted */ 513 1.5.2.2 wrstuden if (menu->posted == 1) 514 1.5.2.2 wrstuden return E_POSTED; 515 1.5.2.2 wrstuden 516 1.5.2.2 wrstuden /* count the new items and validate none are connected already */ 517 1.5.2.2 wrstuden while (items[new_count] != NULL) { 518 1.5.2.2 wrstuden if ((items[new_count]->parent != NULL) && 519 1.5.2.2 wrstuden (items[new_count]->parent != menu)) 520 1.5.2.2 wrstuden return E_CONNECTED; 521 1.5.2.2 wrstuden new_count++; 522 1.5.2.2 wrstuden } 523 1.5.2.2 wrstuden 524 1.5.2.2 wrstuden 525 1.5.2.2 wrstuden /* if there were items connected then disconnect them. */ 526 1.5.2.2 wrstuden if (menu->items != NULL) { 527 1.5.2.2 wrstuden for (i = 0; i < menu->item_count; i++) { 528 1.5.2.2 wrstuden menu->items[i]->parent = NULL; 529 1.5.2.2 wrstuden menu->items[i]->index = -1; 530 1.5.2.2 wrstuden } 531 1.5.2.2 wrstuden } 532 1.5.2.2 wrstuden 533 1.5.2.2 wrstuden menu->item_count = new_count; 534 1.5.2.2 wrstuden 535 1.5.2.2 wrstuden /* connect the new items to the menu */ 536 1.5.2.2 wrstuden for (i = 0; i < new_count; i++) { 537 1.5.2.2 wrstuden items[i]->parent = menu; 538 1.5.2.2 wrstuden items[i]->index = i; 539 1.5.2.2 wrstuden } 540 1.5.2.2 wrstuden 541 1.5.2.2 wrstuden menu->items = items; 542 1.5.2.2 wrstuden menu->cur_item = 0; /* reset current item just in case */ 543 1.5.2.2 wrstuden menu->top_row = 0; /* and the top row too */ 544 1.5.2.2 wrstuden if (menu->pattern != NULL) { /* and the pattern buffer....sigh */ 545 1.5.2.2 wrstuden free(menu->pattern); 546 1.5.2.2 wrstuden menu->plen = 0; 547 1.5.2.2 wrstuden menu->match_len = 0; 548 1.5.2.2 wrstuden } 549 1.5.2.2 wrstuden 550 1.5.2.2 wrstuden _menui_stitch_items(menu); /* recalculate the item neighbours */ 551 1.5.2.2 wrstuden 552 1.5.2.2 wrstuden return E_OK; 553 1.5.2.2 wrstuden } 554 1.5.2.2 wrstuden 555 1.5.2.2 wrstuden /* 556 1.5.2.2 wrstuden * Return the pointer to the menu items array. 557 1.5.2.2 wrstuden */ 558 1.5.2.2 wrstuden ITEM ** 559 1.5.2.2 wrstuden menu_items(menu) 560 1.5.2.2 wrstuden MENU *menu; 561 1.5.2.2 wrstuden { 562 1.5.2.2 wrstuden if (menu == NULL) 563 1.5.2.2 wrstuden return _menui_default_menu.items; 564 1.5.2.2 wrstuden else 565 1.5.2.2 wrstuden return menu->items; 566 1.5.2.2 wrstuden } 567 1.5.2.2 wrstuden 568 1.5.2.2 wrstuden /* 569 1.5.2.2 wrstuden * Return the count of items connected to the menu 570 1.5.2.2 wrstuden */ 571 1.5.2.2 wrstuden int 572 1.5.2.2 wrstuden item_count(menu) 573 1.5.2.2 wrstuden MENU *menu; 574 1.5.2.2 wrstuden { 575 1.5.2.2 wrstuden if (menu == NULL) 576 1.5.2.2 wrstuden return _menui_default_menu.item_count; 577 1.5.2.2 wrstuden else 578 1.5.2.2 wrstuden return menu->item_count; 579 1.5.2.2 wrstuden } 580 1.5.2.2 wrstuden 581 1.5.2.2 wrstuden /* 582 1.5.2.2 wrstuden * Set the menu top row to be the given row. The current item becomes the 583 1.5.2.2 wrstuden * leftmost item on that row in the menu. 584 1.5.2.2 wrstuden */ 585 1.5.2.2 wrstuden int 586 1.5.2.2 wrstuden set_top_row(param_menu, row) 587 1.5.2.2 wrstuden MENU *param_menu; 588 1.5.2.2 wrstuden int row; 589 1.5.2.2 wrstuden { 590 1.5.2.2 wrstuden MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu; 591 1.5.2.2 wrstuden int i, cur_item, state = E_SYSTEM_ERROR; 592 1.5.2.2 wrstuden 593 1.5.2.2 wrstuden if (row > menu->item_rows) 594 1.5.2.2 wrstuden return E_BAD_ARGUMENT; 595 1.5.2.2 wrstuden 596 1.5.2.2 wrstuden if (menu->items == NULL) 597 1.5.2.2 wrstuden return E_NOT_CONNECTED; 598 1.5.2.2 wrstuden 599 1.5.2.2 wrstuden if (menu->in_init == 1) 600 1.5.2.2 wrstuden return E_BAD_STATE; 601 1.5.2.2 wrstuden 602 1.5.2.2 wrstuden for (i = 0; i < menu->item_count; i++) { 603 1.5.2.2 wrstuden /* search for first item that matches row - this will be 604 1.5.2.2 wrstuden the current item. */ 605 1.5.2.2 wrstuden if (row == menu->items[i]->row) { 606 1.5.2.2 wrstuden cur_item = i; 607 1.5.2.2 wrstuden state = E_OK; 608 1.5.2.2 wrstuden break; /* found what we want - no need to go further */ 609 1.5.2.2 wrstuden } 610 1.5.2.2 wrstuden } 611 1.5.2.2 wrstuden 612 1.5.2.2 wrstuden menu->in_init = 1; /* just in case we call the init/term routines */ 613 1.5.2.2 wrstuden 614 1.5.2.2 wrstuden if (menu->posted == 1) { 615 1.5.2.2 wrstuden if (menu->menu_term != NULL) 616 1.5.2.2 wrstuden menu->menu_term(menu); 617 1.5.2.2 wrstuden if (menu->item_term != NULL) 618 1.5.2.2 wrstuden menu->item_term(menu); 619 1.5.2.2 wrstuden } 620 1.5.2.2 wrstuden 621 1.5.2.2 wrstuden menu->cur_item = cur_item; 622 1.5.2.2 wrstuden menu->top_row = row; 623 1.5.2.2 wrstuden 624 1.5.2.2 wrstuden if (menu->posted == 1) { 625 1.5.2.2 wrstuden if (menu->menu_init != NULL) 626 1.5.2.2 wrstuden menu->menu_init(menu); 627 1.5.2.2 wrstuden if (menu->item_init != NULL) 628 1.5.2.2 wrstuden menu->item_init(menu); 629 1.5.2.2 wrstuden } 630 1.5.2.2 wrstuden 631 1.5.2.2 wrstuden menu->in_init = 0; 632 1.5.2.2 wrstuden 633 1.5.2.2 wrstuden /* this should always be E_OK unless we are really screwed up */ 634 1.5.2.2 wrstuden return state; 635 1.5.2.2 wrstuden } 636 1.5.2.2 wrstuden 637 1.5.2.2 wrstuden /* 638 1.5.2.2 wrstuden * Return the current top row number. 639 1.5.2.2 wrstuden */ 640 1.5.2.2 wrstuden int 641 1.5.2.2 wrstuden top_row(param_menu) 642 1.5.2.2 wrstuden MENU *param_menu; 643 1.5.2.2 wrstuden { 644 1.5.2.2 wrstuden MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu; 645 1.5.2.2 wrstuden 646 1.5.2.2 wrstuden if (menu->items == NULL) 647 1.5.2.2 wrstuden return E_NOT_CONNECTED; 648 1.5.2.2 wrstuden 649 1.5.2.2 wrstuden return menu->top_row; 650 1.5.2.2 wrstuden } 651 1.5.2.2 wrstuden 652 1.5.2.2 wrstuden /* 653 1.5.2.2 wrstuden * Position the cursor at the correct place in the menu. 654 1.5.2.2 wrstuden * 655 1.5.2.2 wrstuden */ 656 1.5.2.2 wrstuden int 657 1.5.2.2 wrstuden pos_menu_cursor(menu) 658 1.5.2.2 wrstuden MENU *menu; 659 1.5.2.2 wrstuden { 660 1.5.2.2 wrstuden int movx, maxmark; 661 1.5.2.2 wrstuden 662 1.5.2.2 wrstuden if (menu == NULL) 663 1.5.2.2 wrstuden return E_BAD_ARGUMENT; 664 1.5.2.2 wrstuden 665 1.5.2.2 wrstuden maxmark = max(menu->mark.length, menu->unmark.length); 666 1.5.2.2 wrstuden movx = maxmark + (menu->items[menu->cur_item]->col 667 1.5.2.2 wrstuden * (menu->col_width + 1)); 668 1.5.2.2 wrstuden 669 1.5.2.2 wrstuden if (menu->match_len > 0) 670 1.5.2.2 wrstuden movx += menu->match_len - 1; 671 1.5.2.2 wrstuden 672 1.5.2.2 wrstuden wmove(menu->menu_subwin, 673 1.5.2.2 wrstuden menu->items[menu->cur_item]->row - menu->top_row, movx); 674 1.5.2.2 wrstuden 675 1.5.2.2 wrstuden return E_OK; 676 1.5.2.2 wrstuden } 677
Indexes created Thu Oct 02 14:10:14 GMT 2025