| 1 | /*
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| 2 | * Test lower-right-hand corner access
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| 3 | *
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| 4 | * originally by Eric S. Raymond <esr@thyrsus.com>, written for animation
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| 5 | * and resizing -T.Dickey
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| 6 | *
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| 7 | * This can't be part of the ncurses test-program, because ncurses rips off the
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| 8 | * bottom line to do labels.
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| 9 | *
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| 10 | * $Id: lrtest.c,v 1.20 2004/08/07 16:08:01 tom Exp $
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| 11 | */
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| 12 |
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| 13 | #include <test.priv.h>
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| 14 |
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| 15 | typedef struct {
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| 16 | int y, x, mode, dir, inc;
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| 17 | chtype value;
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| 18 | } MARK;
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| 19 |
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| 20 | /*
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| 21 | * Make a couple of markers go 'round the border to demonstrate that we can
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| 22 | * really write to all positions properly.
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| 23 | */
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| 24 | static void
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| 25 | show(MARK *m)
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| 26 | {
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| 27 | mvaddch(m->y, m->x, m->value);
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| 28 | if (m->mode == 0) { /* along the x-direction */
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| 29 | m->x += m->inc;
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| 30 | if (m->x >= COLS) {
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| 31 | m->x = COLS - 1;
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| 32 | m->inc = -m->dir * m->inc;
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| 33 | m->y += m->inc;
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| 34 | m->mode = 1;
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| 35 | } else if (m->x < 0) {
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| 36 | m->x = 0;
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| 37 | m->inc = -m->dir * m->inc;
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| 38 | m->y += m->inc;
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| 39 | m->mode = 1;
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| 40 | }
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| 41 | } else { /* along the y-direction */
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| 42 | m->y += m->inc;
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| 43 | if (m->y >= LINES) {
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| 44 | m->y = LINES - 1;
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| 45 | m->inc = m->dir * m->inc;
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| 46 | m->x += m->inc;
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| 47 | m->mode = 0;
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| 48 | } else if (m->y < 0) {
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| 49 | m->y = 0;
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| 50 | m->inc = m->dir * m->inc;
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| 51 | m->x += m->inc;
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| 52 | m->mode = 0;
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| 53 | }
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| 54 | }
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| 55 | }
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| 56 |
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| 57 | int
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| 58 | main(
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| 59 | int argc GCC_UNUSED,
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| 60 | char *argv[]GCC_UNUSED)
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| 61 | {
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| 62 | static MARK marks[] =
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| 63 | {
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| 64 | {0, 0, 0, -1, 1, '+' | A_BOLD},
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| 65 | {0, 0, 1, 1, 2, 'X'},
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| 66 | {0, 0, 1, -1, 3, 'Y'},
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| 67 | {0, 8, 0, -1, 1, '+' | A_BOLD},
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| 68 | {0, 9, 0, -1, 1, '+' | A_BOLD},
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| 69 | {1, 0, 1, 1, 1, '*' | A_REVERSE},
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| 70 | {2, 0, 1, 1, 1, '*' | A_REVERSE}
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| 71 | };
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| 72 |
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| 73 | setlocale(LC_ALL, "");
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| 74 |
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| 75 | initscr();
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| 76 | noecho();
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| 77 | cbreak();
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| 78 | nodelay(stdscr, TRUE);
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| 79 | curs_set(0);
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| 80 |
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| 81 | #ifdef KEY_RESIZE
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| 82 | keypad(stdscr, TRUE);
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| 83 | restart:
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| 84 | #endif
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| 85 | move(LINES / 2 - 1, 4);
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| 86 | if (!(has_ic()
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| 87 | /* see PutCharLR() */
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| 88 | || auto_right_margin
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| 89 | || (enter_am_mode && exit_am_mode))) {
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| 90 | addstr("Your terminal lacks the capabilities needed to address the\n");
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| 91 | move(LINES / 2, 4);
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| 92 | addstr("lower-right-hand corner of the screen.\n");
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| 93 | } else {
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| 94 | addstr("This is a test of access to the lower right corner.\n");
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| 95 | move(LINES / 2, 4);
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| 96 | addstr("If the top of the box is missing, the test failed.\n");
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| 97 | move(LINES / 2 + 1, 4);
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| 98 | addstr("Please report this (with a copy of your terminfo entry).\n");
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| 99 | move(LINES / 2 + 2, 4);
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| 100 | addstr("to the ncurses maintainers, at bug-ncurses@gnu.org.\n");
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| 101 | }
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| 102 |
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| 103 | for (;;) {
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| 104 | int ch;
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| 105 | unsigned n;
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| 106 |
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| 107 | box(stdscr, 0, 0);
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| 108 | for (n = 0; n < SIZEOF(marks); n++) {
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| 109 | show(&marks[n]);
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| 110 | }
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| 111 |
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| 112 | if ((ch = getch()) > 0) {
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| 113 | if (ch == 'q')
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| 114 | break;
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| 115 | else if (ch == 's')
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| 116 | nodelay(stdscr, FALSE);
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| 117 | else if (ch == ' ')
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| 118 | nodelay(stdscr, TRUE);
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| 119 | #ifdef TRACE
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| 120 | else if (ch == 'T')
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| 121 | trace(0);
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| 122 | else if (ch == 't')
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| 123 | trace(TRACE_CALLS | TRACE_ICALLS | TRACE_UPDATE);
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| 124 | #endif
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| 125 | #ifdef KEY_RESIZE
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| 126 | else if (ch == KEY_RESIZE) {
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| 127 | for (n = 0; n < SIZEOF(marks); n++) {
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| 128 | if (marks[n].mode == 0) { /* moving along x-direction */
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| 129 | if (marks[n].y)
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| 130 | marks[n].y = LINES - 1;
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| 131 | } else {
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| 132 | if (marks[n].x)
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| 133 | marks[n].x = COLS - 1;
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| 134 | }
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| 135 | }
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| 136 | flash();
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| 137 | erase();
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| 138 | wrefresh(curscr);
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| 139 | goto restart;
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| 140 | }
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| 141 | #endif
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| 142 | }
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| 143 | napms(50);
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| 144 | refresh();
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| 145 | }
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| 146 |
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| 147 | curs_set(1);
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| 148 | endwin();
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| 149 | ExitProgram(EXIT_SUCCESS);
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| 150 | }
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| 151 |
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| 152 | /* lrtest.c ends here */
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