65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
#include <curses.h>
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#include "curspriv.h"
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/****************************************************************/
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/* Wbox(win,ymin,xmin,ymax,xmax,v,h) draws a box in window */
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/* 'win', enclosing the area xmin-xmax and ymin-xmax. If */
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/* Xmax and/or ymax is 0, the window max value is used. 'v' and */
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/* 'h' are the vertical and horizontal characters to use. If */
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/* 'v' and 'h' are 0, wbox will use the alternate character set */
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/* In a pretty way. */
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/****************************************************************/
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int wbox(win, ymin, xmin, ymax, xmax, v, h)
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WINDOW *win;
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int ymin, xmin, ymax, xmax;
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unsigned int v;
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unsigned int h;
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{
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unsigned int vc, hc, ulc, urc, llc, lrc; /* corner chars */
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int i;
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if (ymax == 0) ymax = win->_maxy;
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if (xmax == 0) xmax = win->_maxx;
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if (ymin >= win->_maxy || ymax > win->_maxy ||
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xmin >= win->_maxx || xmax > win->_maxx ||
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ymin >= ymax || xmin >= xmax)
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return(ERR);
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vc = v;
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hc = h;
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ulc = urc = llc = lrc = vc; /* default same as vertical */
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if (v == 0 && h == 0) {
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ulc = ACS_ULCORNER;
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urc = ACS_URCORNER;
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llc = ACS_LLCORNER;
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lrc = ACS_LRCORNER;
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hc = ACS_HLINE;
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vc = ACS_VLINE;
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}
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for (i = xmin + 1; i <= xmax - 1; i++) {
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win->_line[ymin][i] = hc | win->_attrs;
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win->_line[ymax][i] = hc | win->_attrs;
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}
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for (i = ymin + 1; i <= ymax - 1; i++) {
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win->_line[i][xmin] = vc | win->_attrs;
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win->_line[i][xmax] = vc | win->_attrs;
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}
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win->_line[ymin][xmin] = ulc | win->_attrs;
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win->_line[ymin][xmax] = urc | win->_attrs;
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win->_line[ymax][xmin] = llc | win->_attrs;
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win->_line[ymax][xmax] = lrc | win->_attrs;
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for (i = ymin; i <= ymax; i++) {
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if (win->_minchng[i] == _NO_CHANGE) {
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win->_minchng[i] = xmin;
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win->_maxchng[i] = xmax;
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} else {
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win->_minchng[i] = min(win->_minchng[i], xmin);
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win->_maxchng[i] = max(win->_maxchng[i], xmax);
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}
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}
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return(OK);
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}
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