release/src/router/libncurses/test/inserts.c

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  28 /*
  29  * $Id: inserts.c,v 1.23 2010/12/12 00:19:55 tom Exp $
  30  *
  31  * Demonstrate the winsstr() and winsch functions.
  32  * Thomas Dickey - 2002/10/19
  33  */
  34
  35 #include <test.priv.h>
  36
  37 #if HAVE_WINSSTR
  38
  39 #include <linedata.h>
  40
  41 #define InsNStr    insnstr
  42 #define InsStr     insstr
  43 #define MvInsNStr  (void) mvinsnstr
  44 #define MvInsStr   (void) mvinsstr
  45 #define MvWInsNStr (void) mvwinsnstr
  46 #define MvWInsStr  (void) mvwinsstr
  47 #define WInsNStr   winsnstr
  48 #define WInsStr    winsstr
  49
  50 #define InsCh      insch
  51 #define MvInsCh    (void) mvinsch
  52 #define MvWInsCh   (void) mvwinsch
  53 #define WInsCh     winsch
  54
  55 #define MY_TABSIZE 8
  56
  57 typedef enum {
  58     oDefault = 0,
  59     oMove = 1,
  60     oWindow = 2,
  61     oMoveWindow = 3
  62 } Options;
  63
  64 static bool m_opt = FALSE;
  65 static bool w_opt = FALSE;
  66 static int n_opt = -1;
  67
  68 static void
  69 legend(WINDOW *win, int level, Options state, char *buffer, int length)
  70 {
  71     const char *showstate;
  72
  73     switch (state) {
  74     default:
  75     case oDefault:
  76         showstate = "";
  77         break;
  78     case oMove:
  79         showstate = " (mvXXX)";
  80         break;
  81     case oWindow:
  82         showstate = " (winXXX)";
  83         break;
  84     case oMoveWindow:
  85         showstate = " (mvwinXXX)";
  86         break;
  87     }
  88
  89     wmove(win, 0, 0);
  90     wprintw(win,
  91             "The Strings/Chars displays should match.  Enter any characters, except:\n");
  92     wprintw(win,
  93             "down-arrow or ^N to repeat on next line, ^W for inner window, ESC to exit.\n");
  94     wclrtoeol(win);
  95     wprintw(win, "Level %d,%s inserted %d characters <%s>", level,
  96             showstate, length, buffer);
  97 }
  98
  99 static int
 100 ColOf(char *buffer, int length, int margin)
 101 {
 102     int n;
 103     int result;
 104
 105     for (n = 0, result = margin + 1; n < length; ++n) {
 106         int ch = UChar(buffer[n]);
 107         switch (ch) {
 108         case '\n':
 109             /* actually newline should clear the remainder of the line
 110              * and move to the next line - but that seems a little awkward
 111              * in this example.
 112              */
 113         case '\r':
 114             result = 0;
 115             break;
 116         case '\b':
 117             if (result > 0)
 118                 --result;
 119             break;
 120         case '\t':
 121             result += (MY_TABSIZE - (result % MY_TABSIZE));
 122             break;
 123         case '\177':
 124             result += 2;
 125             break;
 126         default:
 127             ++result;
 128             if (ch < 32)
 129                 ++result;
 130             break;
 131         }
 132     }
 133     return result;
 134 }
 135
 136 #define LEN(n) ((length - (n) > n_opt) ? n_opt : (length - (n)))
 137 static void
 138 test_inserts(int level)
 139 {
 140     static bool first = TRUE;
 141
 142     int ch;
 143     int limit;
 144     int row = 1;
 145     int col;
 146     int row2, col2;
 147     int length;
 148     char buffer[BUFSIZ];
 149     WINDOW *look = 0;
 150     WINDOW *work = 0;
 151     WINDOW *show = 0;
 152     int margin = (2 * MY_TABSIZE) - 1;
 153     Options option = (Options) ((unsigned) (m_opt
 154                                             ? oMove
 155                                             : oDefault)
 156                                 | (unsigned) ((w_opt || (level > 0))
 157                                               ? oWindow
 158                                               : oDefault));
 159
 160     if (first) {
 161         static char cmd[80];
 162         setlocale(LC_ALL, "");
 163
 164         putenv(strcpy(cmd, "TABSIZE=8"));
 165
 166         initscr();
 167         (void) cbreak();        /* take input chars one at a time, no wait for \n */
 168         (void) noecho();        /* don't echo input */
 169         keypad(stdscr, TRUE);
 170     }
 171
 172     limit = LINES - 5;
 173     if (level > 0) {
 174         look = newwin(limit, COLS - (2 * (level - 1)), 0, level - 1);
 175         work = newwin(limit - 2, COLS - (2 * level), 1, level);
 176         show = newwin(4, COLS, limit + 1, 0);
 177         box(look, 0, 0);
 178         wnoutrefresh(look);
 179         limit -= 2;
 180     } else {
 181         work = stdscr;
 182         show = derwin(stdscr, 4, COLS, limit + 1, 0);
 183     }
 184     keypad(work, TRUE);
 185
 186     for (col = margin + 1; col < COLS; col += MY_TABSIZE)
 187         MvWVLine(work, row, col, '.', limit - 2);
 188
 189     MvWVLine(work, row, margin, ACS_VLINE, limit - 2);
 190     MvWVLine(work, row, margin + 1, ACS_VLINE, limit - 2);
 191     limit /= 2;
 192
 193     MvWAddStr(work, 1, 2, "String");
 194     MvWAddStr(work, limit + 1, 2, "Chars");
 195     wnoutrefresh(work);
 196
 197     buffer[length = 0] = '\0';
 198     legend(show, level, option, buffer, length);
 199     wnoutrefresh(show);
 200
 201     doupdate();
 202
 203     /*
 204      * Show the characters inserted in color, to distinguish from those that
 205      * are shifted.
 206      */
 207     if (has_colors()) {
 208         start_color();
 209         init_pair(1, COLOR_WHITE, COLOR_BLUE);
 210         wbkgdset(work, COLOR_PAIR(1) | ' ');
 211     }
 212
 213     while ((ch = read_linedata(work)) != ERR && !isQUIT(ch)) {
 214         wmove(work, row, margin + 1);
 215         switch (ch) {
 216         case key_RECUR:
 217             test_inserts(level + 1);
 218
 219             touchwin(look);
 220             touchwin(work);
 221             touchwin(show);
 222
 223             wnoutrefresh(look);
 224             wnoutrefresh(work);
 225             wnoutrefresh(show);
 226
 227             doupdate();
 228             break;
 229         case key_NEWLINE:
 230             if (row < limit) {
 231                 ++row;
 232                 /* put the whole string in, all at once */
 233                 col2 = margin + 1;
 234                 switch (option) {
 235                 case oDefault:
 236                     if (n_opt > 1) {
 237                         for (col = 0; col < length; col += n_opt) {
 238                             col2 = ColOf(buffer, col, margin);
 239                             if (move(row, col2) != ERR) {
 240                                 InsNStr(buffer + col, LEN(col));
 241                             }
 242                         }
 243                     } else {
 244                         if (move(row, col2) != ERR) {
 245                             InsStr(buffer);
 246                         }
 247                     }
 248                     break;
 249                 case oMove:
 250                     if (n_opt > 1) {
 251                         for (col = 0; col < length; col += n_opt) {
 252                             col2 = ColOf(buffer, col, margin);
 253                             MvInsNStr(row, col2, buffer + col, LEN(col));
 254                         }
 255                     } else {
 256                         MvInsStr(row, col2, buffer);
 257                     }
 258                     break;
 259                 case oWindow:
 260                     if (n_opt > 1) {
 261                         for (col = 0; col < length; col += n_opt) {
 262                             col2 = ColOf(buffer, col, margin);
 263                             if (wmove(work, row, col2) != ERR) {
 264                                 WInsNStr(work, buffer + col, LEN(col));
 265                             }
 266                         }
 267                     } else {
 268                         if (wmove(work, row, col2) != ERR) {
 269                             WInsStr(work, buffer);
 270                         }
 271                     }
 272                     break;
 273                 case oMoveWindow:
 274                     if (n_opt > 1) {
 275                         for (col = 0; col < length; col += n_opt) {
 276                             col2 = ColOf(buffer, col, margin);
 277                             MvWInsNStr(work, row, col2, buffer + col, LEN(col));
 278                         }
 279                     } else {
 280                         MvWInsStr(work, row, col2, buffer);
 281                     }
 282                     break;
 283                 }
 284
 285                 /* do the corresponding single-character insertion */
 286                 row2 = limit + row;
 287                 for (col = 0; col < length; ++col) {
 288                     col2 = ColOf(buffer, col, margin);
 289                     switch (option) {
 290                     case oDefault:
 291                         if (move(row2, col2) != ERR) {
 292                             InsCh(UChar(buffer[col]));
 293                         }
 294                         break;
 295                     case oMove:
 296                         MvInsCh(row2, col2, UChar(buffer[col]));
 297                         break;
 298                     case oWindow:
 299                         if (wmove(work, row2, col2) != ERR) {
 300                             WInsCh(work, UChar(buffer[col]));
 301                         }
 302                         break;
 303                     case oMoveWindow:
 304                         MvWInsCh(work, row2, col2, UChar(buffer[col]));
 305                         break;
 306                     }
 307                 }
 308             } else {
 309                 beep();
 310             }
 311             break;
 312         default:
 313             if (ch <= 0 || ch > 255) {
 314                 beep();
 315                 break;
 316             }
 317             buffer[length++] = (char) ch;
 318             buffer[length] = '\0';
 319
 320             /* put the string in, one character at a time */
 321             col = ColOf(buffer, length - 1, margin);
 322             switch (option) {
 323             case oDefault:
 324                 if (move(row, col) != ERR) {
 325                     InsStr(buffer + length - 1);
 326                 }
 327                 break;
 328             case oMove:
 329                 MvInsStr(row, col, buffer + length - 1);
 330                 break;
 331             case oWindow:
 332                 if (wmove(work, row, col) != ERR) {
 333                     WInsStr(work, buffer + length - 1);
 334                 }
 335                 break;
 336             case oMoveWindow:
 337                 MvWInsStr(work, row, col, buffer + length - 1);
 338                 break;
 339             }
 340
 341             /* do the corresponding single-character insertion */
 342             switch (option) {
 343             case oDefault:
 344                 if (move(limit + row, col) != ERR) {
 345                     InsCh(UChar(ch));
 346                 }
 347                 break;
 348             case oMove:
 349                 MvInsCh(limit + row, col, UChar(ch));
 350                 break;
 351             case oWindow:
 352                 if (wmove(work, limit + row, col) != ERR) {
 353                     WInsCh(work, UChar(ch));
 354                 }
 355                 break;
 356             case oMoveWindow:
 357                 MvWInsCh(work, limit + row, col, UChar(ch));
 358                 break;
 359             }
 360
 361             wnoutrefresh(work);
 362
 363             legend(show, level, option, buffer, length);
 364             wnoutrefresh(show);
 365
 366             doupdate();
 367             break;
 368         }
 369     }
 370     if (level > 0) {
 371         delwin(show);
 372         delwin(work);
 373         delwin(look);
 374     }
 375 }
 376
 377 static void
 378 usage(void)
 379 {
 380     static const char *tbl[] =
 381     {
 382         "Usage: inserts [options]"
 383         ,""
 384         ,"Options:"
 385         ,"  -f FILE read data from given file"
 386         ,"  -n NUM  limit string-inserts to NUM bytes on ^N replay"
 387         ,"  -m      perform wmove/move separately from insert-functions"
 388         ,"  -w      use window-parameter even when stdscr would be implied"
 389     };
 390     unsigned n;
 391     for (n = 0; n < SIZEOF(tbl); ++n)
 392         fprintf(stderr, "%s\n", tbl[n]);
 393     ExitProgram(EXIT_FAILURE);
 394 }
 395
 396 int
 397 main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 398 {
 399     int ch;
 400
 401     setlocale(LC_ALL, "");
 402
 403     while ((ch = getopt(argc, argv, "f:mn:w")) != -1) {
 404         switch (ch) {
 405         case 'f':
 406             init_linedata(optarg);
 407             break;
 408         case 'm':
 409             m_opt = TRUE;
 410             break;
 411         case 'n':
 412             n_opt = atoi(optarg);
 413             if (n_opt == 0)
 414                 n_opt = -1;
 415             break;
 416         case 'w':
 417             w_opt = TRUE;
 418             break;
 419         default:
 420             usage();
 421             break;
 422         }
 423     }
 424     if (optind < argc)
 425         usage();
 426
 427     test_inserts(0);
 428     endwin();
 429     ExitProgram(EXIT_SUCCESS);
 430 }
 431 #else
 432 int
 433 main(void)
 434 {
 435     printf("This program requires the winsstr function\n");
 436     ExitProgram(EXIT_FAILURE);
 437 }
 438 #endif /* HAVE_WINSSTR */