/* * Test lower-right-hand corner access * * originally by Eric S. Raymond <esr@thyrsus.com>, written for animation * and resizing -TD * * This can't be part of the ncurses test-program, because ncurses rips off the * bottom line to do labels. * * $Id: lrtest.c,v 1.19 2002/07/13 16:55:50 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 voidshow(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;	}    }}intmain(	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()    /* see PutCharLR() */	  || auto_right_margin	  || (enter_am_mode && exit_am_mode))) {	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')		trace(0);	    else if (ch == 't')		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();    }    curs_set(1);    endwin();    ExitProgram(EXIT_SUCCESS);}/* lrtest.c ends here */