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 */
153