350 lines
9.0 KiB
C
350 lines
9.0 KiB
C
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/* Public Domain Curses */
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#include <curspriv.h>
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RCSID("$Id: attr.c,v 1.41 2008/07/13 16:08:17 wmcbrine Exp $")
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/*man-start**************************************************************
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Name: attr
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Synopsis:
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int attroff(chtype attrs);
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int wattroff(WINDOW *win, chtype attrs);
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int attron(chtype attrs);
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int wattron(WINDOW *win, chtype attrs);
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int attrset(chtype attrs);
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int wattrset(WINDOW *win, chtype attrs);
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int standend(void);
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int wstandend(WINDOW *win);
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int standout(void);
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int wstandout(WINDOW *win);
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int color_set(short color_pair, void *opts);
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int wcolor_set(WINDOW *win, short color_pair, void *opts);
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int attr_get(attr_t *attrs, short *color_pair, void *opts);
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int attr_off(attr_t attrs, void *opts);
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int attr_on(attr_t attrs, void *opts);
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int attr_set(attr_t attrs, short color_pair, void *opts);
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int wattr_get(WINDOW *win, attr_t *attrs, short *color_pair,
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void *opts);
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int wattr_off(WINDOW *win, attr_t attrs, void *opts);
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int wattr_on(WINDOW *win, attr_t attrs, void *opts);
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int wattr_set(WINDOW *win, attr_t attrs, short color_pair,
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void *opts);
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int chgat(int n, attr_t attr, short color, const void *opts);
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int mvchgat(int y, int x, int n, attr_t attr, short color,
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const void *opts);
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int mvwchgat(WINDOW *win, int y, int x, int n, attr_t attr,
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short color, const void *opts);
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int wchgat(WINDOW *win, int n, attr_t attr, short color,
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const void *opts);
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chtype getattrs(WINDOW *win);
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Description:
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These functions manipulate the current attributes and/or colors
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of the named window. These attributes can be any combination
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of A_STANDOUT, A_REVERSE, A_BOLD, A_DIM, A_BLINK, A_UNDERLINE.
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These constants are defined in <curses.h> and can be combined
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with the bitwise-OR operator (|).
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The current attributes of a window are applied to all chtypes
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that are written into the window with waddch(). Attributes are
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a property of the chtype, and move with the character through
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any scrolling or insert/delete operations.
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attrset() sets the current attributes of the given window to
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attrs. attroff() turns off the named attributes without
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affecting any other attributes; attron() turns them on.
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color_set() sets the window color to the value of color_pair.
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standout() is the same as attron(A_STANDOUT). standend() is the
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same as attrset(A_NORMAL); that is, it turns off all attributes.
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Return Value:
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All functions return OK on success and ERR on error.
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Portability X/Open BSD SYS V
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attroff Y Y Y
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wattroff Y Y Y
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attron Y Y Y
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wattron Y Y Y
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attrset Y Y Y
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wattrset Y Y Y
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standend Y Y Y
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wstandend Y Y Y
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standout Y Y Y
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wstandout Y Y Y
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color_set Y
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wcolor_set Y
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attr_get Y
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wattr_get Y
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attr_on Y
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wattr_on Y
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attr_off Y
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wattr_off Y
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attr_set Y
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wattr_set Y
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chgat Y
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wchgat Y
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mvchgat Y
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mvwchgat Y
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getattrs -
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**man-end****************************************************************/
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int wattroff(WINDOW *win, chtype attrs)
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{
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PDC_LOG(("wattroff() - called\n"));
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if (!win)
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return ERR;
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win->_attrs &= (~attrs & A_ATTRIBUTES);
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return OK;
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}
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int attroff(chtype attrs)
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{
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PDC_LOG(("attroff() - called\n"));
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return wattroff(stdscr, attrs);
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}
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int wattron(WINDOW *win, chtype attrs)
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{
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chtype newcolr, oldcolr, newattr, oldattr;
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PDC_LOG(("wattron() - called\n"));
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if (!win)
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return ERR;
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if ((win->_attrs & A_COLOR) && (attrs & A_COLOR))
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{
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oldcolr = win->_attrs & A_COLOR;
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oldattr = win->_attrs ^ oldcolr;
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newcolr = attrs & A_COLOR;
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newattr = (attrs & A_ATTRIBUTES) ^ newcolr;
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newattr |= oldattr;
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win->_attrs = newattr | newcolr;
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}
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else
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win->_attrs |= (attrs & A_ATTRIBUTES);
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return OK;
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}
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int attron(chtype attrs)
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{
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PDC_LOG(("attron() - called\n"));
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return wattron(stdscr, attrs);
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}
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int wattrset(WINDOW *win, chtype attrs)
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{
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PDC_LOG(("wattrset() - called\n"));
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if (!win)
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return ERR;
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win->_attrs = attrs & A_ATTRIBUTES;
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return OK;
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}
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int attrset(chtype attrs)
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{
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PDC_LOG(("attrset() - called\n"));
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return wattrset(stdscr, attrs);
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}
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int standend(void)
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{
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PDC_LOG(("standend() - called\n"));
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return wattrset(stdscr, A_NORMAL);
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}
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int standout(void)
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{
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PDC_LOG(("standout() - called\n"));
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return wattrset(stdscr, A_STANDOUT);
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}
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int wstandend(WINDOW *win)
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{
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PDC_LOG(("wstandend() - called\n"));
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return wattrset(win, A_NORMAL);
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}
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int wstandout(WINDOW *win)
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{
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PDC_LOG(("wstandout() - called\n"));
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return wattrset(win, A_STANDOUT);
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}
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chtype getattrs(WINDOW *win)
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{
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return win ? win->_attrs : 0;
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}
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int wcolor_set(WINDOW *win, short color_pair, void *opts)
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{
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PDC_LOG(("wcolor_set() - called\n"));
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if (!win)
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return ERR;
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win->_attrs = (win->_attrs & ~A_COLOR) | COLOR_PAIR(color_pair);
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return OK;
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}
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int color_set(short color_pair, void *opts)
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{
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PDC_LOG(("color_set() - called\n"));
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return wcolor_set(stdscr, color_pair, opts);
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}
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int wattr_get(WINDOW *win, attr_t *attrs, short *color_pair, void *opts)
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{
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PDC_LOG(("wattr_get() - called\n"));
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if (!win)
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return ERR;
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if (attrs)
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*attrs = win->_attrs & (A_ATTRIBUTES & ~A_COLOR);
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if (color_pair)
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*color_pair = PAIR_NUMBER(win->_attrs);
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return OK;
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}
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int attr_get(attr_t *attrs, short *color_pair, void *opts)
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{
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PDC_LOG(("attr_get() - called\n"));
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return wattr_get(stdscr, attrs, color_pair, opts);
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}
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int wattr_off(WINDOW *win, attr_t attrs, void *opts)
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{
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PDC_LOG(("wattr_off() - called\n"));
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return wattroff(win, attrs);
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}
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int attr_off(attr_t attrs, void *opts)
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{
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PDC_LOG(("attr_off() - called\n"));
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return wattroff(stdscr, attrs);
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}
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int wattr_on(WINDOW *win, attr_t attrs, void *opts)
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{
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PDC_LOG(("wattr_off() - called\n"));
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return wattron(win, attrs);
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}
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int attr_on(attr_t attrs, void *opts)
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{
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PDC_LOG(("attr_on() - called\n"));
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return wattron(stdscr, attrs);
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}
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int wattr_set(WINDOW *win, attr_t attrs, short color_pair, void *opts)
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{
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PDC_LOG(("wattr_set() - called\n"));
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if (!win)
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return ERR;
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win->_attrs = (attrs & (A_ATTRIBUTES & ~A_COLOR)) | COLOR_PAIR(color_pair);
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return OK;
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}
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int attr_set(attr_t attrs, short color_pair, void *opts)
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{
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PDC_LOG(("attr_get() - called\n"));
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return wattr_set(stdscr, attrs, color_pair, opts);
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}
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int wchgat(WINDOW *win, int n, attr_t attr, short color, const void *opts)
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{
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chtype *dest, newattr;
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int startpos, endpos;
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PDC_LOG(("wchgat() - called\n"));
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if (!win)
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return ERR;
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newattr = (attr & A_ATTRIBUTES) | COLOR_PAIR(color);
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startpos = win->_curx;
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endpos = ((n < 0) ? win->_maxx : min(startpos + n, win->_maxx)) - 1;
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dest = win->_y[win->_cury];
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for (n = startpos; n <= endpos; n++)
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dest[n] = (dest[n] & A_CHARTEXT) | newattr;
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n = win->_cury;
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if (startpos < win->_firstch[n] || win->_firstch[n] == _NO_CHANGE)
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win->_firstch[n] = startpos;
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if (endpos > win->_lastch[n])
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win->_lastch[n] = endpos;
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PDC_sync(win);
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return OK;
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}
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int chgat(int n, attr_t attr, short color, const void *opts)
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{
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PDC_LOG(("chgat() - called\n"));
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return wchgat(stdscr, n, attr, color, opts);
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}
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int mvchgat(int y, int x, int n, attr_t attr, short color, const void *opts)
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{
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PDC_LOG(("mvchgat() - called\n"));
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if (move(y, x) == ERR)
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return ERR;
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return wchgat(stdscr, n, attr, color, opts);
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}
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int mvwchgat(WINDOW *win, int y, int x, int n, attr_t attr, short color,
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const void *opts)
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{
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PDC_LOG(("mvwchgat() - called\n"));
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if (wmove(win, y, x) == ERR)
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return ERR;
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return wchgat(win, n, attr, color, opts);
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}
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