/****************************************************************************
* Copyright 2019,2020 Thomas E. Dickey *
* Copyright 1998-2010,2017 Free Software Foundation, Inc. *
* *
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* "Software"), to deal in the Software without restriction, including *
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* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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****************************************************************************/
/*
* Test lower-right-hand corner access
*
* originally by Eric S. Raymond <esr@thyrsus.com>, written for animation
* and resizing -T.Dickey
*
* This can't be part of the ncurses test-program, because ncurses rips off the
* bottom line to do labels.
*
* $Id: lrtest.c,v 1.27 2020/02/02 23:34:34 tom Exp $
*/
#include <test.priv.h>
typedef struct {
int y, x, mode, dir, inc;
chtype value;
} MARK;
/*
* Make a couple of markers go 'round the border to demonstrate that we can
* really write to all positions properly.
*/
static void
show(MARK *m)
{
MvAddCh(m->y, m->x, m->value);
if (m->mode == 0) { /* along the x-direction */
m->x += m->inc;
if (m->x >= COLS) {
m->x = COLS - 1;
m->inc = -m->dir * m->inc;
m->y += m->inc;
m->mode = 1;
} else if (m->x < 0) {
m->x = 0;
m->inc = -m->dir * m->inc;
m->y += m->inc;
m->mode = 1;
}
} else { /* along the y-direction */
m->y += m->inc;
if (m->y >= LINES) {
m->y = LINES - 1;
m->inc = m->dir * m->inc;
m->x += m->inc;
m->mode = 0;
} else if (m->y < 0) {
m->y = 0;
m->inc = m->dir * m->inc;
m->x += m->inc;
m->mode = 0;
}
}
}
int
main(
int argc GCC_UNUSED,
char *argv[]GCC_UNUSED)
{
static MARK marks[] =
{
{0, 0, 0, -1, 1, '+' | A_BOLD},
{0, 0, 1, 1, 2, 'X'},
{0, 0, 1, -1, 3, 'Y'},
{0, 8, 0, -1, 1, '+' | A_BOLD},
{0, 9, 0, -1, 1, '+' | A_BOLD},
{1, 0, 1, 1, 1, '*' | A_REVERSE},
{2, 0, 1, 1, 1, '*' | A_REVERSE}
};
setlocale(LC_ALL, "");
initscr();
noecho();
cbreak();
nodelay(stdscr, TRUE);
curs_set(0);
#ifdef KEY_RESIZE
keypad(stdscr, TRUE);
restart:
#endif
move(LINES / 2 - 1, 4);
if (!(has_ic()
#if HAVE_SETUPTERM
/* see PutCharLR() */
|| auto_right_margin
|| (enter_am_mode && exit_am_mode)
#endif
)) {
addstr("Your terminal lacks the capabilities needed to address the\n");
move(LINES / 2, 4);
addstr("lower-right-hand corner of the screen.\n");
} else {
addstr("This is a test of access to the lower right corner.\n");
move(LINES / 2, 4);
addstr("If the top of the box is missing, the test failed.\n");
move(LINES / 2 + 1, 4);
addstr("Please report this (with a copy of your terminfo entry).\n");
move(LINES / 2 + 2, 4);
addstr("to the ncurses maintainers, at bug-ncurses@gnu.org.\n");
}
for (;;) {
int ch;
unsigned n;
box(stdscr, 0, 0);
for (n = 0; n < SIZEOF(marks); n++) {
show(&marks[n]);
}
if ((ch = getch()) > 0) {
if (ch == 'q')
break;
else if (ch == 's')
nodelay(stdscr, FALSE);
else if (ch == ' ')
nodelay(stdscr, TRUE);
#ifdef TRACE
else if (ch == 'T')
curses_trace(0);
else if (ch == 't')
curses_trace(TRACE_CALLS | TRACE_ICALLS | TRACE_UPDATE);
#endif
#ifdef KEY_RESIZE
else if (ch == KEY_RESIZE) {
for (n = 0; n < SIZEOF(marks); n++) {
if (marks[n].mode == 0) { /* moving along x-direction */
if (marks[n].y)
marks[n].y = LINES - 1;
} else {
if (marks[n].x)
marks[n].x = COLS - 1;
}
}
flash();
erase();
wrefresh(curscr);
goto restart;
}
#endif
}
napms(50);
refresh();
}
stop_curses();
ExitProgram(EXIT_SUCCESS);
}
/* lrtest.c ends here */
