lib/libcurses/EXAMPLES/ex1.c

   1 /*      $NetBSD: ex1.c,v 1.5 2007/05/28 15:01:58 blymn Exp $    */
   2
   3 /*
   4  * Copyright (c) 1992, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #ifndef lint
  34 static char copyright[] =
  35 "@(#) Copyright (c) 1992, 1993\n\
  36         The Regents of the University of California.  All rights reserved.\n";
  37 #endif /* not lint */
  38
  39 #ifndef lint
  40 static char sccsid[] = "@(#)ex1.c       8.1 (Berkeley) 6/4/93";
  41 #endif /* not lint */
  42 #include <sys/types.h>
  43 #include <curses.h>
  44 #include <stdio.h>
  45 #include <stdlib.h>
  46 #include <string.h>
  47 #include <signal.h>
  48 #include <locale.h>
  49 #include <assert.h>
  50
  51 #define YSIZE 4
  52 #define XSIZE 30
  53
  54 void quit( int );
  55
  56 main()
  57 {
  58         int i, j, c, n = 0, ac = 0;
  59         size_t len;
  60         char id[100];
  61         FILE *fp;
  62         char *s;
  63     cchar_t cc, ncc, cstr[ 128 ], icc, icstr[ 128 ], bcc;
  64     int wc_on = 0, wgc_on = 0;
  65     char mbs[] = "´ó";
  66     char mbstr[] = "´óÑ§Ö®µÀ£¬ÔÚÃ÷Ã÷µÂ£¬ÔÚÇ×Ãñ£¬ÔÚÖ¹ÓÚÖÁÉÆ¡£ (Liji)";
  67     wchar_t wstr[ 128 ], owstr[ 4 ], gwstr[ 128 ], iwstr[ 128 ];
  68     int wslen = 0;
  69     wint_t wc;
  70     char nostr[ 128 ];
  71     attr_t al[ 15 ] = { WA_BLINK,
  72                         WA_BOLD,
  73                         WA_DIM,
  74                         WA_LOW,
  75                         WA_TOP,
  76                         WA_INVIS,
  77                         WA_HORIZONTAL,
  78                         WA_VERTICAL,
  79                         WA_LEFT,
  80                         WA_RIGHT,
  81                         WA_PROTECT,
  82                         WA_REVERSE,
  83                         WA_STANDOUT,
  84                         WA_UNDERLINE };
  85
  86     fprintf( stderr, "Current locale: %s\n", setlocale(LC_ALL, ""));
  87     if (( wslen =  mbstowcs( &cc.vals[ 0 ], mbs, strlen( mbs ))) < 0 ) {
  88         fprintf( stderr, "mbstowcs() failed\n" );
  89         return -1;
  90     }
  91     fprintf( stderr, "WC string length: %d\n", wslen );
  92     fprintf( stderr, "WC width: %d\n", wcwidth( cc.vals[ 0 ]));
  93     cc.elements = ncc.elements = 8;
  94     cc.attributes = ncc.attributes = 0;
  95     ncc.vals[ 0 ] = 0xda00;
  96     cc.vals[ 1 ] = ncc.vals[ 1 ] = 0xda01;
  97     cc.vals[ 2 ] = ncc.vals[ 2 ] = 0xda02;
  98     cc.vals[ 3 ] = ncc.vals[ 3 ] = 0xda03;
  99     cc.vals[ 4 ] = ncc.vals[ 4 ] = 0xda04;
 100     cc.vals[ 5 ] = ncc.vals[ 5 ] = 0xda05;
 101     cc.vals[ 6 ] = ncc.vals[ 6 ] = 0xda06;
 102     cc.vals[ 7 ] = ncc.vals[ 7 ] = 0xda07;
 103
 104     if (( wslen =  mbstowcs( wstr, mbstr, strlen( mbstr ))) < 0 ) {
 105         fprintf( stderr, "mbstowcs() failed\n" );
 106         return -1;
 107     }
 108
 109     for ( i = 0; i < wslen; i++ ) {
 110         cstr[ i ].vals[ 0 ] = wstr[ i ];
 111     }
 112     cstr[ wslen ].vals[ 0 ] = 0;
 113
 114     bcc.elements = 8;
 115     bcc.attributes = 0;
 116     bcc.vals[ 0 ] = L'_';
 117     bcc.vals[ 1 ] = 0xda01;
 118     bcc.vals[ 2 ] = 0xda02;
 119     bcc.vals[ 3 ] = 0xda03;
 120     bcc.vals[ 4 ] = 0xda04;
 121     bcc.vals[ 5 ] = 0xda05;
 122     bcc.vals[ 6 ] = 0xda06;
 123     bcc.vals[ 7 ] = 0xda07;
 124
 125         initscr();                      /* Always call initscr() first */
 126         signal(SIGINT, quit);           /* Make sure wou have a 'cleanup' fn */
 127         crmode();                       /* We want cbreak mode */
 128         noecho();                       /* We want to have control of chars */
 129         delwin(stdscr);                 /* Create our own stdscr */
 130         stdscr = newwin(YSIZE, XSIZE, 1, 1);
 131         flushok(stdscr, TRUE);          /* Enable flushing of stdout */
 132         scrollok(stdscr, TRUE);         /* Enable scrolling */
 133         erase();                        /* Initially, clear the screen */
 134
 135         standout();
 136         move(0,0);
 137         while (1) {
 138         if ( !wgc_on ) {
 139                     c = getchar();
 140                     switch(c) {
 141                         case 'q':               /* Quit on 'q' */
 142                                 quit( 0 );
 143                                 break;
 144                 case 'p':
 145                     keypad( stdscr, TRUE );
 146                     break;
 147                 case 'P':
 148                     keypad( stdscr, FALSE );
 149                     break;
 150                 case 'g':
 151                     wgc_on = 1;
 152                     echo();
 153                     break;
 154                 case 'b':
 155                     get_wstr( gwstr );
 156                     move( 1, 0 );
 157                     addstr( "Input:" );
 158                     addwstr( gwstr );
 159                     refresh();
 160                     break;
 161                 case 'h':
 162                     move( 0, 0 );
 163                     in_wch( &icc );
 164                     move( 1, 0 );
 165                     add_wch( &icc );
 166                     refresh();
 167                     break;
 168                 case 'y':
 169                     move( 0, 0 );
 170                     in_wchstr( icstr );
 171                     move( 1, 0 );
 172                     add_wchstr( icstr );
 173                     refresh();
 174                     break;
 175                 case 'u':
 176                     move( 0, 0 );
 177                     inwstr( iwstr );
 178                     move( 1, 0 );
 179                     addwstr( iwstr );
 180                     refresh();
 181                     break;
 182                 case 'i':
 183                     move( 0, 0 );
 184                     hline_set( &cc, 20 );
 185                     move( 0, 0 );
 186                     vline_set( &cc, 20 );
 187                     refresh();
 188                     break;
 189                 case 'o':
 190                     clrtobot();
 191                     refresh();
 192                     break;
 193                         case 's':               /* Go into standout mode on 's' */
 194                                 standout();
 195                                 break;
 196                         case 'e':               /* Exit standout mode on 'e' */
 197                                 standend();
 198                                 break;
 199                         case 'r':               /* Force a refresh on 'r' */
 200                                 wrefresh(curscr);
 201                                 break;
 202                         case 'w':               /* Turn on/off add_wch() tests */
 203                     wc_on = 1 - wc_on;
 204                     break;
 205                 case 'd':
 206                     add_wchstr(( const cchar_t *)&cstr );
 207                     refresh();
 208                     break;
 209                 case 'c':
 210                     addwstr(( const wchar_t *)&wstr );
 211                     refresh();
 212                     break;
 213                 case 'z':
 214                     move( 0, 1 );
 215                     if ( wc_on )
 216                         add_wch( &cc );
 217                     else
 218                         addch( c );
 219                     refresh();
 220                     break;
 221                 case 'x':
 222                     move( 0, 3 );
 223                     if ( wc_on )
 224                         add_wch( &cc );
 225                     else
 226                         addch( c );
 227                     refresh();
 228                     break;
 229                 case 'n':
 230                     add_wch( &ncc );
 231                     refresh();
 232                     break;
 233                 case 'm':
 234                     //border( 0, 0, 0, 0, 0, 0, 0, 0 );
 235                     border_set( NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL );
 236                     refresh();
 237                     break;
 238                 case 'j':
 239                     box_set( stdscr, &cc, &cc );
 240                     refresh();
 241                     break;
 242                 case 'k':
 243                     erase();
 244                     refresh();
 245                     break;
 246                 case '1':
 247                     move( 0, 0 );
 248                     clrtoeol();
 249                     refresh();
 250                     break;
 251                 case '2':
 252                     move( 0, 0 );
 253                     sprintf( nostr, "Orig:%x", al[ ac ]);
 254                     addstr( nostr );
 255                     ac = ( ac + 1 ) % 16;
 256                     bcc.attributes = al[ ac ];
 257                     bkgrnd( &bcc );
 258                     move( 1, 0 );
 259                     sprintf( nostr, "New:%x", al[ ac ]);
 260                     //addstr( nostr );
 261                     insstr( nostr );
 262                     refresh();
 263                     break;
 264                 case 'v':
 265                     if ( wc_on )
 266                         ins_wch( &cc );
 267                     else
 268                         insch( c );
 269                     refresh();
 270                     break;
 271                 case 'f':
 272                     ins_wstr(( const wchar_t *)&wstr );
 273                     refresh();
 274                     break;
 275                 case 't':
 276                     for ( i = 0; i < 4; i++ ) {
 277                         owstr[ i ] = wstr[ i + 5 ];
 278                         wstr[ i + 5 ] = i + 0xda05;
 279                     }
 280                     ins_wstr(( const wchar_t *)&wstr );
 281                     refresh();
 282                     for ( i = 0; i < 4; i++ )
 283                         wstr[ i + 5 ] = owstr[ i ];
 284                     break;
 285                         default:                /* By default output the character */
 286                     if ( wc_on )
 287                         add_wch( &cc );
 288                     else {
 289                         if ( c < 0x7F )
 290                             addch( c );
 291                         else {
 292                             addstr( keyname( c ));
 293                         }
 294                     }
 295                     refresh();
 296                     }
 297         } else {
 298             get_wch( &wc );
 299             switch ( wc ) {
 300                 case L'w':
 301                     wgc_on = 0;
 302                     noecho();
 303                     break;
 304                 case L'q':
 305                     quit( 0 );
 306                     break;
 307                 case L't':
 308                     notimeout( stdscr, TRUE );
 309                     break;
 310                 case L'T':
 311                     notimeout( stdscr, FALSE );
 312                     break;
 313                 case L'd':
 314                     nodelay( stdscr, TRUE );
 315                     break;
 316                 case L'D':
 317                     nodelay( stdscr, FALSE );
 318                     break;
 319                 case L'p':
 320                     keypad( stdscr, TRUE );
 321                     break;
 322                 case L'P':
 323                     keypad( stdscr, FALSE );
 324                     break;
 325                 default:
 326                     break;
 327             }
 328         }
 329         }
 330 }
 331
 332 void quit( int sig )
 333 {
 334         erase();                /* Terminate by erasing the screen */
 335         refresh();
 336         endwin();               /* Always end with endwin() */
 337         delwin(curscr);         /* Return storage */
 338         delwin(stdscr);
 339         putchar('\n');
 340         exit( sig );
 341 }
 342