| 1 | #include <curses.h>
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| 2 | #include "curspriv.h"
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| 3 |
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| 4 | /****************************************************************/
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| 5 | /* Wbox(win,ymin,xmin,ymax,xmax,v,h) draws a box in window */
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| 6 | /* 'win', enclosing the area xmin-xmax and ymin-xmax. If */
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| 7 | /* Xmax and/or ymax is 0, the window max value is used. 'v' and */
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| 8 | /* 'h' are the vertical and horizontal characters to use. If */
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| 9 | /* 'v' and 'h' are 0, wbox will use the alternate character set */
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| 10 | /* In a pretty way. */
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| 11 | /****************************************************************/
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| 12 |
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| 13 | int wbox(win, ymin, xmin, ymax, xmax, v, h)
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| 14 | WINDOW *win;
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| 15 | int ymin, xmin, ymax, xmax;
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| 16 | unsigned int v;
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| 17 | unsigned int h;
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| 18 | {
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| 19 | unsigned int vc, hc, ulc, urc, llc, lrc; /* corner chars */
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| 20 | int i;
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| 21 |
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| 22 | if (ymax == 0) ymax = win->_maxy;
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| 23 | if (xmax == 0) xmax = win->_maxx;
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| 24 |
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| 25 | if (ymin >= win->_maxy || ymax > win->_maxy ||
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| 26 | xmin >= win->_maxx || xmax > win->_maxx ||
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| 27 | ymin >= ymax || xmin >= xmax)
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| 28 | return(ERR);
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| 29 |
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| 30 | vc = v;
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| 31 | hc = h;
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| 32 | ulc = urc = llc = lrc = vc; /* default same as vertical */
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| 33 |
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| 34 | if (v == 0 && h == 0) {
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| 35 | ulc = ACS_ULCORNER;
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| 36 | urc = ACS_URCORNER;
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| 37 | llc = ACS_LLCORNER;
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| 38 | lrc = ACS_LRCORNER;
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| 39 | hc = ACS_HLINE;
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| 40 | vc = ACS_VLINE;
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| 41 | }
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| 42 | for (i = xmin + 1; i <= xmax - 1; i++) {
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| 43 | win->_line[ymin][i] = hc | win->_attrs;
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| 44 | win->_line[ymax][i] = hc | win->_attrs;
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| 45 | }
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| 46 | for (i = ymin + 1; i <= ymax - 1; i++) {
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| 47 | win->_line[i][xmin] = vc | win->_attrs;
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| 48 | win->_line[i][xmax] = vc | win->_attrs;
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| 49 | }
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| 50 | win->_line[ymin][xmin] = ulc | win->_attrs;
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| 51 | win->_line[ymin][xmax] = urc | win->_attrs;
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| 52 | win->_line[ymax][xmin] = llc | win->_attrs;
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| 53 | win->_line[ymax][xmax] = lrc | win->_attrs;
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| 54 |
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| 55 | for (i = ymin; i <= ymax; i++) {
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| 56 | if (win->_minchng[i] == _NO_CHANGE) {
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| 57 | win->_minchng[i] = xmin;
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| 58 | win->_maxchng[i] = xmax;
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| 59 | } else {
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| 60 | win->_minchng[i] = min(win->_minchng[i], xmin);
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| 61 | win->_maxchng[i] = max(win->_maxchng[i], xmax);
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| 62 | }
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| 63 | }
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| 64 | return(OK);
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| 65 | }
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