--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/pdcurses/attr.c Sat Jan 09 17:41:21 2016 +0200 @@ -0,0 +1,349 @@ +/* Public Domain Curses */ + +#include <curspriv.h> + +RCSID("$Id: attr.c,v 1.41 2008/07/13 16:08:17 wmcbrine Exp $") + +/*man-start************************************************************** + + Name: attr + + Synopsis: + int attroff(chtype attrs); + int wattroff(WINDOW *win, chtype attrs); + int attron(chtype attrs); + int wattron(WINDOW *win, chtype attrs); + int attrset(chtype attrs); + int wattrset(WINDOW *win, chtype attrs); + int standend(void); + int wstandend(WINDOW *win); + int standout(void); + int wstandout(WINDOW *win); + + int color_set(short color_pair, void *opts); + int wcolor_set(WINDOW *win, short color_pair, void *opts); + + int attr_get(attr_t *attrs, short *color_pair, void *opts); + int attr_off(attr_t attrs, void *opts); + int attr_on(attr_t attrs, void *opts); + int attr_set(attr_t attrs, short color_pair, void *opts); + int wattr_get(WINDOW *win, attr_t *attrs, short *color_pair, + void *opts); + int wattr_off(WINDOW *win, attr_t attrs, void *opts); + int wattr_on(WINDOW *win, attr_t attrs, void *opts); + int wattr_set(WINDOW *win, attr_t attrs, short color_pair, + void *opts); + + int chgat(int n, attr_t attr, short color, const void *opts); + int mvchgat(int y, int x, int n, attr_t attr, short color, + const void *opts); + int mvwchgat(WINDOW *win, int y, int x, int n, attr_t attr, + short color, const void *opts); + int wchgat(WINDOW *win, int n, attr_t attr, short color, + const void *opts); + + chtype getattrs(WINDOW *win); + + Description: + These functions manipulate the current attributes and/or colors + of the named window. These attributes can be any combination + of A_STANDOUT, A_REVERSE, A_BOLD, A_DIM, A_BLINK, A_UNDERLINE. + + These constants are defined in <curses.h> and can be combined + with the bitwise-OR operator (|). + + The current attributes of a window are applied to all chtypes + that are written into the window with waddch(). Attributes are + a property of the chtype, and move with the character through + any scrolling or insert/delete operations. + + attrset() sets the current attributes of the given window to + attrs. attroff() turns off the named attributes without + affecting any other attributes; attron() turns them on. + color_set() sets the window color to the value of color_pair. + + standout() is the same as attron(A_STANDOUT). standend() is the + same as attrset(A_NORMAL); that is, it turns off all attributes. + + Return Value: + All functions return OK on success and ERR on error. + + Portability X/Open BSD SYS V + attroff Y Y Y + wattroff Y Y Y + attron Y Y Y + wattron Y Y Y + attrset Y Y Y + wattrset Y Y Y + standend Y Y Y + wstandend Y Y Y + standout Y Y Y + wstandout Y Y Y + color_set Y + wcolor_set Y + attr_get Y + wattr_get Y + attr_on Y + wattr_on Y + attr_off Y + wattr_off Y + attr_set Y + wattr_set Y + chgat Y + wchgat Y + mvchgat Y + mvwchgat Y + getattrs - + +**man-end****************************************************************/ + +int wattroff(WINDOW *win, chtype attrs) +{ + PDC_LOG(("wattroff() - called\n")); + + if (!win) + return ERR; + + win->_attrs &= (~attrs & A_ATTRIBUTES); + + return OK; +} + +int attroff(chtype attrs) +{ + PDC_LOG(("attroff() - called\n")); + + return wattroff(stdscr, attrs); +} + +int wattron(WINDOW *win, chtype attrs) +{ + chtype newcolr, oldcolr, newattr, oldattr; + + PDC_LOG(("wattron() - called\n")); + + if (!win) + return ERR; + + if ((win->_attrs & A_COLOR) && (attrs & A_COLOR)) + { + oldcolr = win->_attrs & A_COLOR; + oldattr = win->_attrs ^ oldcolr; + newcolr = attrs & A_COLOR; + newattr = (attrs & A_ATTRIBUTES) ^ newcolr; + newattr |= oldattr; + win->_attrs = newattr | newcolr; + } + else + win->_attrs |= (attrs & A_ATTRIBUTES); + + return OK; +} + +int attron(chtype attrs) +{ + PDC_LOG(("attron() - called\n")); + + return wattron(stdscr, attrs); +} + +int wattrset(WINDOW *win, chtype attrs) +{ + PDC_LOG(("wattrset() - called\n")); + + if (!win) + return ERR; + + win->_attrs = attrs & A_ATTRIBUTES; + + return OK; +} + +int attrset(chtype attrs) +{ + PDC_LOG(("attrset() - called\n")); + + return wattrset(stdscr, attrs); +} + +int standend(void) +{ + PDC_LOG(("standend() - called\n")); + + return wattrset(stdscr, A_NORMAL); +} + +int standout(void) +{ + PDC_LOG(("standout() - called\n")); + + return wattrset(stdscr, A_STANDOUT); +} + +int wstandend(WINDOW *win) +{ + PDC_LOG(("wstandend() - called\n")); + + return wattrset(win, A_NORMAL); +} + +int wstandout(WINDOW *win) +{ + PDC_LOG(("wstandout() - called\n")); + + return wattrset(win, A_STANDOUT); +} + +chtype getattrs(WINDOW *win) +{ + return win ? win->_attrs : 0; +} + +int wcolor_set(WINDOW *win, short color_pair, void *opts) +{ + PDC_LOG(("wcolor_set() - called\n")); + + if (!win) + return ERR; + + win->_attrs = (win->_attrs & ~A_COLOR) | COLOR_PAIR(color_pair); + + return OK; +} + +int color_set(short color_pair, void *opts) +{ + PDC_LOG(("color_set() - called\n")); + + return wcolor_set(stdscr, color_pair, opts); +} + +int wattr_get(WINDOW *win, attr_t *attrs, short *color_pair, void *opts) +{ + PDC_LOG(("wattr_get() - called\n")); + + if (!win) + return ERR; + + if (attrs) + *attrs = win->_attrs & (A_ATTRIBUTES & ~A_COLOR); + + if (color_pair) + *color_pair = PAIR_NUMBER(win->_attrs); + + return OK; +} + +int attr_get(attr_t *attrs, short *color_pair, void *opts) +{ + PDC_LOG(("attr_get() - called\n")); + + return wattr_get(stdscr, attrs, color_pair, opts); +} + +int wattr_off(WINDOW *win, attr_t attrs, void *opts) +{ + PDC_LOG(("wattr_off() - called\n")); + + return wattroff(win, attrs); +} + +int attr_off(attr_t attrs, void *opts) +{ + PDC_LOG(("attr_off() - called\n")); + + return wattroff(stdscr, attrs); +} + +int wattr_on(WINDOW *win, attr_t attrs, void *opts) +{ + PDC_LOG(("wattr_off() - called\n")); + + return wattron(win, attrs); +} + +int attr_on(attr_t attrs, void *opts) +{ + PDC_LOG(("attr_on() - called\n")); + + return wattron(stdscr, attrs); +} + +int wattr_set(WINDOW *win, attr_t attrs, short color_pair, void *opts) +{ + PDC_LOG(("wattr_set() - called\n")); + + if (!win) + return ERR; + + win->_attrs = (attrs & (A_ATTRIBUTES & ~A_COLOR)) | COLOR_PAIR(color_pair); + + return OK; +} + +int attr_set(attr_t attrs, short color_pair, void *opts) +{ + PDC_LOG(("attr_get() - called\n")); + + return wattr_set(stdscr, attrs, color_pair, opts); +} + +int wchgat(WINDOW *win, int n, attr_t attr, short color, const void *opts) +{ + chtype *dest, newattr; + int startpos, endpos; + + PDC_LOG(("wchgat() - called\n")); + + if (!win) + return ERR; + + newattr = (attr & A_ATTRIBUTES) | COLOR_PAIR(color); + + startpos = win->_curx; + endpos = ((n < 0) ? win->_maxx : min(startpos + n, win->_maxx)) - 1; + dest = win->_y[win->_cury]; + + for (n = startpos; n <= endpos; n++) + dest[n] = (dest[n] & A_CHARTEXT) | newattr; + + n = win->_cury; + + if (startpos < win->_firstch[n] || win->_firstch[n] == _NO_CHANGE) + win->_firstch[n] = startpos; + + if (endpos > win->_lastch[n]) + win->_lastch[n] = endpos; + + PDC_sync(win); + + return OK; +} + +int chgat(int n, attr_t attr, short color, const void *opts) +{ + PDC_LOG(("chgat() - called\n")); + + return wchgat(stdscr, n, attr, color, opts); +} + +int mvchgat(int y, int x, int n, attr_t attr, short color, const void *opts) +{ + PDC_LOG(("mvchgat() - called\n")); + + if (move(y, x) == ERR) + return ERR; + + return wchgat(stdscr, n, attr, color, opts); +} + +int mvwchgat(WINDOW *win, int y, int x, int n, attr_t attr, short color, + const void *opts) +{ + PDC_LOG(("mvwchgat() - called\n")); + + if (wmove(win, y, x) == ERR) + return ERR; + + return wchgat(win, n, attr, color, opts); +}