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

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  28 /*
  29  * Test lower-right-hand corner access
  30  *
  31  * originally by Eric S. Raymond <esr@thyrsus.com>, written for animation
  32  * and resizing -T.Dickey
  33  *
  34  * This can't be part of the ncurses test-program, because ncurses rips off the
  35  * bottom line to do labels.
  36  *
  37  * $Id: lrtest.c,v 1.22 2010/05/01 19:11:55 tom Exp $
  38  */
  39
  40 #include <test.priv.h>
  41
  42 typedef struct {
  43     int y, x, mode, dir, inc;
  44     chtype value;
  45 } MARK;
  46
  47 /*
  48  * Make a couple of markers go 'round the border to demonstrate that we can
  49  * really write to all positions properly.
  50  */
  51 static void
  52 show(MARK *m)
  53 {
  54     MvAddCh(m->y, m->x, m->value);
  55     if (m->mode == 0) {         /* along the x-direction */
  56         m->x += m->inc;
  57         if (m->x >= COLS) {
  58             m->x = COLS - 1;
  59             m->inc = -m->dir * m->inc;
  60             m->y += m->inc;
  61             m->mode = 1;
  62         } else if (m->x < 0) {
  63             m->x = 0;
  64             m->inc = -m->dir * m->inc;
  65             m->y += m->inc;
  66             m->mode = 1;
  67         }
  68     } else {                    /* along the y-direction */
  69         m->y += m->inc;
  70         if (m->y >= LINES) {
  71             m->y = LINES - 1;
  72             m->inc = m->dir * m->inc;
  73             m->x += m->inc;
  74             m->mode = 0;
  75         } else if (m->y < 0) {
  76             m->y = 0;
  77             m->inc = m->dir * m->inc;
  78             m->x += m->inc;
  79             m->mode = 0;
  80         }
  81     }
  82 }
  83
  84 int
  85 main(
  86         int argc GCC_UNUSED,
  87         char *argv[]GCC_UNUSED)
  88 {
  89     static MARK marks[] =
  90     {
  91         {0, 0, 0, -1, 1, '+' | A_BOLD},
  92         {0, 0, 1, 1, 2, 'X'},
  93         {0, 0, 1, -1, 3, 'Y'},
  94         {0, 8, 0, -1, 1, '+' | A_BOLD},
  95         {0, 9, 0, -1, 1, '+' | A_BOLD},
  96         {1, 0, 1, 1, 1, '*' | A_REVERSE},
  97         {2, 0, 1, 1, 1, '*' | A_REVERSE}
  98     };
  99
 100     setlocale(LC_ALL, "");
 101
 102     initscr();
 103     noecho();
 104     cbreak();
 105     nodelay(stdscr, TRUE);
 106     curs_set(0);
 107
 108 #ifdef KEY_RESIZE
 109     keypad(stdscr, TRUE);
 110   restart:
 111 #endif
 112     move(LINES / 2 - 1, 4);
 113     if (!(has_ic()
 114 #if HAVE_SETUPTERM
 115     /* see PutCharLR() */
 116           || auto_right_margin
 117           || (enter_am_mode && exit_am_mode)
 118 #endif
 119         )) {
 120         addstr("Your terminal lacks the capabilities needed to address the\n");
 121         move(LINES / 2, 4);
 122         addstr("lower-right-hand corner of the screen.\n");
 123     } else {
 124         addstr("This is a test of access to the lower right corner.\n");
 125         move(LINES / 2, 4);
 126         addstr("If the top of the box is missing, the test failed.\n");
 127         move(LINES / 2 + 1, 4);
 128         addstr("Please report this (with a copy of your terminfo entry).\n");
 129         move(LINES / 2 + 2, 4);
 130         addstr("to the ncurses maintainers, at bug-ncurses@gnu.org.\n");
 131     }
 132
 133     for (;;) {
 134         int ch;
 135         unsigned n;
 136
 137         box(stdscr, 0, 0);
 138         for (n = 0; n < SIZEOF(marks); n++) {
 139             show(&marks[n]);
 140         }
 141
 142         if ((ch = getch()) > 0) {
 143             if (ch == 'q')
 144                 break;
 145             else if (ch == 's')
 146                 nodelay(stdscr, FALSE);
 147             else if (ch == ' ')
 148                 nodelay(stdscr, TRUE);
 149 #ifdef TRACE
 150             else if (ch == 'T')
 151                 trace(0);
 152             else if (ch == 't')
 153                 trace(TRACE_CALLS | TRACE_ICALLS | TRACE_UPDATE);
 154 #endif
 155 #ifdef KEY_RESIZE
 156             else if (ch == KEY_RESIZE) {
 157                 for (n = 0; n < SIZEOF(marks); n++) {
 158                     if (marks[n].mode == 0) {   /* moving along x-direction */
 159                         if (marks[n].y)
 160                             marks[n].y = LINES - 1;
 161                     } else {
 162                         if (marks[n].x)
 163                             marks[n].x = COLS - 1;
 164                     }
 165                 }
 166                 flash();
 167                 erase();
 168                 wrefresh(curscr);
 169                 goto restart;
 170             }
 171 #endif
 172         }
 173         napms(50);
 174         refresh();
 175     }
 176
 177     curs_set(1);
 178     endwin();
 179     ExitProgram(EXIT_SUCCESS);
 180 }
 181
 182 /* lrtest.c ends here */