ncursesw-morphos/test/inchs.c

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/*
 * $Id: inchs.c,v 1.4 2007/02/11 00:27:12 tom Exp $
 */
/*
       chtype inch(void);
       chtype winch(WINDOW *win);
       chtype mvinch(int y, int x);
       chtype mvwinch(WINDOW *win, int y, int x);
       int inchstr(chtype *chstr);
       int inchnstr(chtype *chstr, int n);
       int winchstr(WINDOW *win, chtype *chstr);
       int winchnstr(WINDOW *win, chtype *chstr, int n);
       int mvinchstr(int y, int x, chtype *chstr);
       int mvinchnstr(int y, int x, chtype *chstr, int n);
       int mvwinchstr(WINDOW *win, int y, int x, chtype *chstr);
       int mvwinchnstr(WINDOW *win, int y, int x, chtype *chstr, int n);
*/

#include <test.priv.h>

#define MAX_COLS 1024

static bool
Quit(int ch)
{
    return (ch == ERR || ch == QUIT || ch == ESCAPE);
}

int
main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
{
    WINDOW *txtbox;
    WINDOW *txtwin;
    WINDOW *chrbox;
    WINDOW *chrwin;
    WINDOW *strwin;
    FILE *fp;
    int ch, j;
    int txt_x = 0, txt_y = 0;
    int limit;
    chtype text[MAX_COLS];

    setlocale(LC_ALL, "");

    if (argc != 2) {
	fprintf(stderr, "usage: %s file\n", argv[0]);
	return EXIT_FAILURE;
    }

    initscr();

    chrbox = newwin(7, COLS, 0, 0);
    box(chrbox, 0, 0);
    wnoutrefresh(chrbox);

    chrwin = derwin(chrbox, 1, COLS - 2, 1, 1);
    strwin = derwin(chrbox, 4, COLS - 2, 2, 1);

    txtbox = newwin(LINES - 7, COLS, 7, 0);
    box(txtbox, 0, 0);
    wnoutrefresh(txtbox);

    txtwin = derwin(txtbox,
		    getmaxy(txtbox) - 2,
		    getmaxx(txtbox) - 2,
		    1, 1);

    keypad(txtwin, TRUE);	/* enable keyboard mapping */
    (void) cbreak();		/* take input chars one at a time, no wait for \n */
    (void) noecho();		/* don't echo input */

    if ((fp = fopen(argv[1], "r")) != 0) {
	while ((ch = fgetc(fp)) != EOF) {
	    if (waddch(txtwin, ch) != OK) {
		break;
	    }
	}
    } else {
	wprintw(txtwin, "Cannot open:\n%s", argv[1]);
    }
    fclose(fp);
    while (!Quit(ch = mvwgetch(txtwin, txt_y, txt_x))) {
	switch (ch) {
	case KEY_DOWN:
	case 'j':
	    if (txt_y < getmaxy(txtwin) - 1)
		txt_y++;
	    else
		beep();
	    break;
	case KEY_UP:
	case 'k':
	    if (txt_y > 0)
		txt_y--;
	    else
		beep();
	    break;
	case KEY_LEFT:
	case 'h':
	    if (txt_x > 0)
		txt_x--;
	    else
		beep();
	    break;
	case KEY_RIGHT:
	case 'l':
	    if (txt_x < getmaxx(txtwin) - 1)
		txt_x++;
	    else
		beep();
	    break;
	}

	wmove(txtwin, txt_y, txt_x);

	mvwprintw(chrwin, 0, 0, "char:");
	wclrtoeol(chrwin);
	if ((ch = winch(txtwin)) != ERR) {
	    if (waddch(chrwin, (chtype) ch) != ERR) {
		for (j = txt_x + 1; j < getmaxx(txtwin); ++j) {
		    if ((ch = mvwinch(txtwin, txt_y, j)) != ERR) {
			if (waddch(chrwin, (chtype) ch) == ERR) {
			    break;
			}
		    } else {
			break;
		    }
		}
	    }
	}
	wnoutrefresh(chrwin);

	mvwprintw(strwin, 0, 0, "text:");
	wclrtobot(strwin);

	limit = getmaxx(strwin) - 5;

	wmove(txtwin, txt_y, txt_x);
	if (winchstr(txtwin, text) != ERR) {
	    mvwaddchstr(strwin, 0, 5, text);
	}

	wmove(txtwin, txt_y, txt_x);
	if (winchnstr(txtwin, text, limit) != ERR) {
	    mvwaddchstr(strwin, 1, 5, text);
	}

	if (mvwinchstr(txtwin, txt_y, txt_x, text) != ERR) {
	    mvwaddchstr(strwin, 2, 5, text);
	}

	if (mvwinchnstr(txtwin, txt_y, txt_x, text, limit) != ERR) {
	    mvwaddchstr(strwin, 3, 5, text);
	}

	wnoutrefresh(strwin);

	/* FIXME: want stdscr tests also, but must be separate program */
    }
    endwin();
    return EXIT_SUCCESS;
}