source: trunk/ncurses/test/lrtest.c@ 2787

Last change on this file since 2787 was 2621, checked in by bird, 19 years ago

GNU ncurses 5.5

File size: 3.2 KB
Line 
1/*
2 * Test lower-right-hand corner access
3 *
4 * originally by Eric S. Raymond <esr@thyrsus.com>, written for animation
5 * and resizing -T.Dickey
6 *
7 * This can't be part of the ncurses test-program, because ncurses rips off the
8 * bottom line to do labels.
9 *
10 * $Id: lrtest.c,v 1.20 2004/08/07 16:08:01 tom Exp $
11 */
12
13#include <test.priv.h>
14
15typedef struct {
16 int y, x, mode, dir, inc;
17 chtype value;
18} MARK;
19
20/*
21 * Make a couple of markers go 'round the border to demonstrate that we can
22 * really write to all positions properly.
23 */
24static void
25show(MARK *m)
26{
27 mvaddch(m->y, m->x, m->value);
28 if (m->mode == 0) { /* along the x-direction */
29 m->x += m->inc;
30 if (m->x >= COLS) {
31 m->x = COLS - 1;
32 m->inc = -m->dir * m->inc;
33 m->y += m->inc;
34 m->mode = 1;
35 } else if (m->x < 0) {
36 m->x = 0;
37 m->inc = -m->dir * m->inc;
38 m->y += m->inc;
39 m->mode = 1;
40 }
41 } else { /* along the y-direction */
42 m->y += m->inc;
43 if (m->y >= LINES) {
44 m->y = LINES - 1;
45 m->inc = m->dir * m->inc;
46 m->x += m->inc;
47 m->mode = 0;
48 } else if (m->y < 0) {
49 m->y = 0;
50 m->inc = m->dir * m->inc;
51 m->x += m->inc;
52 m->mode = 0;
53 }
54 }
55}
56
57int
58main(
59 int argc GCC_UNUSED,
60 char *argv[]GCC_UNUSED)
61{
62 static MARK marks[] =
63 {
64 {0, 0, 0, -1, 1, '+' | A_BOLD},
65 {0, 0, 1, 1, 2, 'X'},
66 {0, 0, 1, -1, 3, 'Y'},
67 {0, 8, 0, -1, 1, '+' | A_BOLD},
68 {0, 9, 0, -1, 1, '+' | A_BOLD},
69 {1, 0, 1, 1, 1, '*' | A_REVERSE},
70 {2, 0, 1, 1, 1, '*' | A_REVERSE}
71 };
72
73 setlocale(LC_ALL, "");
74
75 initscr();
76 noecho();
77 cbreak();
78 nodelay(stdscr, TRUE);
79 curs_set(0);
80
81#ifdef KEY_RESIZE
82 keypad(stdscr, TRUE);
83 restart:
84#endif
85 move(LINES / 2 - 1, 4);
86 if (!(has_ic()
87 /* see PutCharLR() */
88 || auto_right_margin
89 || (enter_am_mode && exit_am_mode))) {
90 addstr("Your terminal lacks the capabilities needed to address the\n");
91 move(LINES / 2, 4);
92 addstr("lower-right-hand corner of the screen.\n");
93 } else {
94 addstr("This is a test of access to the lower right corner.\n");
95 move(LINES / 2, 4);
96 addstr("If the top of the box is missing, the test failed.\n");
97 move(LINES / 2 + 1, 4);
98 addstr("Please report this (with a copy of your terminfo entry).\n");
99 move(LINES / 2 + 2, 4);
100 addstr("to the ncurses maintainers, at bug-ncurses@gnu.org.\n");
101 }
102
103 for (;;) {
104 int ch;
105 unsigned n;
106
107 box(stdscr, 0, 0);
108 for (n = 0; n < SIZEOF(marks); n++) {
109 show(&marks[n]);
110 }
111
112 if ((ch = getch()) > 0) {
113 if (ch == 'q')
114 break;
115 else if (ch == 's')
116 nodelay(stdscr, FALSE);
117 else if (ch == ' ')
118 nodelay(stdscr, TRUE);
119#ifdef TRACE
120 else if (ch == 'T')
121 trace(0);
122 else if (ch == 't')
123 trace(TRACE_CALLS | TRACE_ICALLS | TRACE_UPDATE);
124#endif
125#ifdef KEY_RESIZE
126 else if (ch == KEY_RESIZE) {
127 for (n = 0; n < SIZEOF(marks); n++) {
128 if (marks[n].mode == 0) { /* moving along x-direction */
129 if (marks[n].y)
130 marks[n].y = LINES - 1;
131 } else {
132 if (marks[n].x)
133 marks[n].x = COLS - 1;
134 }
135 }
136 flash();
137 erase();
138 wrefresh(curscr);
139 goto restart;
140 }
141#endif
142 }
143 napms(50);
144 refresh();
145 }
146
147 curs_set(1);
148 endwin();
149 ExitProgram(EXIT_SUCCESS);
150}
151
152/* lrtest.c ends here */
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