54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#include "curses.ext"
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/*
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* make it look like the whole window has been changed.
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*
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*/
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int touchwin(win)
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register WINDOW *win;
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{
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register int y, maxy;
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# ifdef DEBUG
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fprintf(outf, "TOUCHWIN(%0.2o)\n", win);
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# endif
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maxy = win->_maxy;
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for (y = 0; y < maxy; y++)
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touchline(win, y, 0, win->_maxx - 1);
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return OK;
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}
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/*
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* touch a given line
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*/
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int touchline(win, y, sx, ex)
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register WINDOW *win;
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register int y, sx, ex;
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{
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# ifdef DEBUG
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fprintf(outf, "TOUCHLINE(%0.2o, %d, %d, %d)\n", win, y, sx, ex);
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fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", win->_firstch[y], win->_lastch[y]);
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# endif
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sx += win->_ch_off;
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ex += win->_ch_off;
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if (win->_firstch[y] == _NOCHANGE) {
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win->_firstch[y] = sx;
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win->_lastch[y] = ex;
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}
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else {
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if (win->_firstch[y] > sx)
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win->_firstch[y] = sx;
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if (win->_lastch[y] < ex)
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win->_lastch[y] = ex;
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}
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# ifdef DEBUG
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fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", win->_firstch[y], win->_lastch[y]);
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# endif
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return OK;
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}
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