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Annotation of 43BSD/usr.lib/libcurses/touchwin.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifndef lint
        !             8: static char sccsid[] = "@(#)touchwin.c 5.1 (Berkeley) 6/7/85";
        !             9: #endif not lint
        !            10: 
        !            11: # include      "curses.ext"
        !            12: 
        !            13: /*
        !            14:  * make it look like the whole window has been changed.
        !            15:  *
        !            16:  */
        !            17: touchwin(win)
        !            18: register WINDOW        *win;
        !            19: {
        !            20:        register int    y, maxy;
        !            21: 
        !            22: # ifdef        DEBUG
        !            23:        fprintf(outf, "TOUCHWIN(%0.2o)\n", win);
        !            24: # endif
        !            25:        maxy = win->_maxy;
        !            26:        for (y = 0; y < maxy; y++)
        !            27:                touchline(win, y, 0, win->_maxx - 1);
        !            28: }
        !            29: 
        !            30: /*
        !            31:  * touch a given line
        !            32:  */
        !            33: touchline(win, y, sx, ex)
        !            34: register WINDOW        *win;
        !            35: register int   y, sx, ex;
        !            36: {
        !            37: # ifdef DEBUG
        !            38:        fprintf(outf, "TOUCHLINE(%0.2o, %d, %d, %d)\n", win, y, sx, ex);
        !            39:        fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", win->_firstch[y], win->_lastch[y]);
        !            40: # endif
        !            41:        sx += win->_ch_off;
        !            42:        ex += win->_ch_off;
        !            43:        if (win->_firstch[y] == _NOCHANGE) {
        !            44:                win->_firstch[y] = sx;
        !            45:                win->_lastch[y] = ex;
        !            46:        }
        !            47:        else {
        !            48:                if (win->_firstch[y] > sx)
        !            49:                        win->_firstch[y] = sx;
        !            50:                if (win->_lastch[y] < ex)
        !            51:                        win->_lastch[y] = ex;
        !            52:        }
        !            53: # ifdef        DEBUG
        !            54:        fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", win->_firstch[y], win->_lastch[y]);
        !            55: # endif
        !            56: }

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