ncurses-5.7/c++/cursesw.cc - nest-learning-thermostat/5.1.5/ncurses - Git at Google

 // * this is for making emacs happy: -*-Mode: C++;-*-
 /****************************************************************************
  * Copyright (c) 2007 Free Software Foundation, Inc.                        *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
  * "Software"), to deal in the Software without restriction, including      *
  * without limitation the rights to use, copy, modify, merge, publish,      *
  * distribute, distribute with modifications, sublicense, and/or sell       *
  * copies of the Software, and to permit persons to whom the Software is    *
  * furnished to do so, subject to the following conditions:                 *
  *                                                                          *
  * The above copyright notice and this permission notice shall be included  *
  * in all copies or substantial portions of the Software.                   *
  *                                                                          *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  *                                                                          *
  * Except as contained in this notice, the name(s) of the above copyright   *
  * holders shall not be used in advertising or otherwise to promote the     *
  * sale, use or other dealings in this Software without prior written       *
  * authorization.                                                           *
  ****************************************************************************/

 /*
  * Authors:
  *	Thomas E. Dickey
  *	Juergen Pfeifer
  *
  * The NCursesWindow class was originally based on a file written by
  * Eric Newton, later modified by Ulrich Drepper and Anatoly Ivasyuk.
  * However, aside from the compatible interface definition, no trace
  * of the original code remains in this version: it consists only of
  * changes introduced since 1995.
  */

 #include "internal.h"
 #include "cursesw.h"

 MODULE_ID("$Id: cursesw.cc,v 1.49 2007/12/15 23:01:57 tom Exp $")

 #define COLORS_NEED_INITIALIZATION  -1
 #define COLORS_NOT_INITIALIZED       0
 #define COLORS_MONOCHROME            1
 #define COLORS_ARE_REALLY_THERE      2

 #define HaveColors() (colorInitialized == COLORS_ARE_REALLY_THERE)

 // declare static variables for the class
 long NCursesWindow::count = 0L;
 bool NCursesWindow::b_initialized = FALSE;

 int
 NCursesWindow::scanw(const char* fmt, ...)
 {
     int result = ERR;

     va_list args;
     va_start(args, fmt);
     result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args);
     va_end(args);

     return result;
 }


 int
 NCursesWindow::scanw(int y, int x, const char* fmt, ...)
 {
     int result = ERR;

     if (::wmove(w, y, x) != ERR) {
 	va_list args;
 	va_start(args, fmt);
 	result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args);
 	va_end(args);
     }
     return result;
 }


 int
 NCursesWindow::scanw(const char* fmt, va_list args)
 {
     int result = ERR;

     result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args);

     return result;
 }


 int
 NCursesWindow::scanw(int y, int x, const char* fmt, va_list args)
 {
     int result = ERR;

     if (::wmove(w, y, x) != ERR) {
 	result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args);
     }
     return result;
 }


 int
 NCursesWindow::printw(const char * fmt, ...)
 {
     va_list args;
     va_start(args, fmt);
     int result = ::vw_printw(w, fmt, args);
     va_end(args);
     return result;
 }


 int
 NCursesWindow::printw(int y, int x, const char * fmt, ...)
 {
     va_list args;
     va_start(args, fmt);
     int result = ::wmove(w, y, x);
     if (result == OK) {
 	result = ::vw_printw(w, fmt, args);
     }
     va_end(args);
     return result;
 }


 int
 NCursesWindow::printw(const char * fmt, va_list args)
 {
     int result = ::vw_printw(w, fmt, args);
     return result;
 }


 int
 NCursesWindow::printw(int y, int x, const char * fmt, va_list args)
 {
     int result = ::wmove(w, y, x);
     if (result == OK) {
 	result = ::vw_printw(w, fmt, args);
     }
     return result;
 }


 void
 NCursesWindow::set_keyboard(void)
 {
     keypad(TRUE);
     meta(TRUE);
 }

 void
 NCursesWindow::err_handler(const char *msg) const THROWS(NCursesException)
 {
   THROW(new NCursesException(msg));
 }

 void
 NCursesWindow::initialize()
 {
     if (!b_initialized) {
 	::initscr();
 	b_initialized = TRUE;
 	if (colorInitialized == COLORS_NEED_INITIALIZATION) {
 	    colorInitialized = COLORS_NOT_INITIALIZED;
 	    useColors();
 	}
 	::noecho();
 	::cbreak();
     }
 }

 void
 NCursesWindow::constructing()
 {
     initialize();
     ++count;
 }

 NCursesWindow::NCursesWindow()
   : w(0), alloced(FALSE), par(0), subwins(0), sib(0)
 {
     constructing();

     w = static_cast<WINDOW *>(0);
     set_keyboard();
 }

 NCursesWindow::NCursesWindow(int nlines, int ncols, int begin_y, int begin_x)
   : w(0), alloced(TRUE), par(0), subwins(0), sib(0)
 {
     constructing();

     w = ::newwin(nlines, ncols, begin_y, begin_x);
     if (w == 0) {
 	err_handler("Cannot construct window");
     }
     set_keyboard();
 }

 NCursesWindow::NCursesWindow(WINDOW* window)
   : w(0), alloced(FALSE), par(0), subwins(0), sib(0)
 {
     constructing();

     // We used to use a reference on the "window" parameter, but we cannot do
     // that with an opaque pointer (see NCURSES_OPAQUE).  If the parameter was
     // "::stdscr", that is first set via the "constructing() call, and is null
     // up to that point.  So we allow a null pointer here as meaning the "same"
     // as "::stdscr".
     w = window ? window : ::stdscr;
     set_keyboard();
 }

 NCursesWindow::NCursesWindow(NCursesWindow& win, int ny, int nx,
 			     int begin_y, int begin_x, char absrel)
   : w(0), alloced(TRUE), par(0), subwins(0), sib(0)
 {
     constructing();
     if (absrel == 'a') {	// absolute origin
 	begin_y -= win.begy();
 	begin_x -= win.begx();
     }

     // Link this window into its parent's list of subwindows.
     // We use derwin(), since this also works for pads.
     w = ::derwin(win.w, ny, nx, begin_y, begin_x);
     if (w == 0) {
 	err_handler("Cannot construct subwindow");
     }

     par = &win;
     sib = win.subwins;
     win.subwins = this;
 }

 NCursesWindow::NCursesWindow(NCursesWindow& win,
 				bool do_box NCURSES_PARAM_INIT(TRUE))
   : w(0), alloced(TRUE), par(0), subwins(0), sib(0)
 {
     constructing();
     int myHeight = win.height();
     int myWidth  = win.width();
     w = :: derwin(win.w, myHeight - 2, myWidth - 2, 1, 1);
     if (w == 0) {
 	err_handler("Cannot construct subwindow");
     }

     par = &win;
     sib = win.subwins;
     win.subwins = this;
     subwins = 0;

     if (do_box) {
 	win.box();
 	win.touchwin();
     }
 }

 NCursesWindow NCursesWindow::Clone()
 {
     WINDOW *d = ::dupwin(w);
     NCursesWindow W(d);
     W.subwins = subwins;
     W.sib = sib;
     W.par = par;
     W.alloced = alloced;
     return W;
 }

 typedef int (*RIPOFFINIT)(NCursesWindow&);
 static RIPOFFINIT R_INIT[5];       // There can't be more
 static int r_init_idx   = 0;
 static RIPOFFINIT* prip = R_INIT;

 NCursesWindow::NCursesWindow(WINDOW *win, int ncols)
   : w(0), alloced(FALSE), par(0), subwins(0), sib(0)
 {
     initialize();
     w = win;
     assert((w->_maxx +1 ) == ncols);
 }

 int _nc_xx_ripoff_init(WINDOW *w, int ncols)
 {
     int res = ERR;

     RIPOFFINIT init = *prip++;
     if (init) {
 	NCursesWindow* W = new NCursesWindow(w,ncols);
 	res = init(*W);
     }
     return res;
 }

 int NCursesWindow::ripoffline(int ripoff_lines,
 			      int (*init)(NCursesWindow& win))
 {
     int code = ::_nc_ripoffline(ripoff_lines,_nc_xx_ripoff_init);
     if (code == OK && init && ripoff_lines) {
 	R_INIT[r_init_idx++] = init;
     }
     return code;
 }

 bool
 NCursesWindow::isDescendant(NCursesWindow& win)
 {
     bool result = FALSE;

     for (NCursesWindow* p = subwins; p != NULL; p = p->sib) {
 	if (p == &win || p->isDescendant(win)) {
 	    result = TRUE;
 	    break;
 	}
     }
     return result;
 }

 void
 NCursesWindow::kill_subwindows()
 {
     NCursesWindow* p = subwins;

     subwins = 0;
     while (p != 0) {
 	NCursesWindow* q = p->sib;
 	p->kill_subwindows();
 	if (p->alloced) {
 	    if (p->w != 0)
 		::delwin(p->w);
 	}
 	delete p;
 	p = q;
     }
 }


 NCursesWindow::~NCursesWindow()
 {
     kill_subwindows();

     if (par != 0) {
 	// Remove this window from the parent's list of subwindows.
 	NCursesWindow * next = par->subwins;
 	NCursesWindow * prev = 0;
 	while (next != 0) {
 	    if (next == this) {
 		if (prev != 0) {
 		    prev->sib = next->sib;
 		} else {
 		    par->subwins = next->sib;
 		}
 		break;
 	    }
 	    prev = next;
 	    next = next->sib;
 	}
     }

     if (alloced && w != 0)
 	::delwin(w);

     if (alloced) {
 	--count;
 	if (count == 0) {
 	    ::endwin();
 	} else if (count < 0) { // cannot happen!
 	    err_handler("Too many windows destroyed");
 	}
     }
 }

 // ---------------------------------------------------------------------
 // Color stuff
 //
 int NCursesWindow::colorInitialized = COLORS_NOT_INITIALIZED;

 void
 NCursesWindow::useColors(void)
 {
     if (colorInitialized == COLORS_NOT_INITIALIZED) {
 	if (b_initialized) {
 	    if (::has_colors()) {
 		::start_color();
 		colorInitialized = COLORS_ARE_REALLY_THERE;
 	    } else {
 		colorInitialized = COLORS_MONOCHROME;
 	    }
 	} else {
 	    colorInitialized = COLORS_NEED_INITIALIZATION;
 	}
     }
 }

 short
 NCursesWindow::getPair() const
 {
     return static_cast<short>(PAIR_NUMBER(getattrs(w)));
 }

 short
 NCursesWindow::getcolor(int getback) const
 {
     short fore, back;

     if (HaveColors()) {
 	if (::pair_content(getPair(), &fore, &back) == ERR)
 	    err_handler("Can't get color pair");
     } else {
 	// Monochrome means white on black
 	back = COLOR_BLACK;
 	fore = COLOR_WHITE;
     }
     return getback ? back : fore;
 }

 int NCursesWindow::NumberOfColors()
 {
     return (HaveColors()) ? COLORS : 1;
 }

 short
 NCursesWindow::getcolor() const
 {
     return (HaveColors()) ? getPair() : 0;
 }

 int
 NCursesWindow::setpalette(short fore, short back, short pair)
 {
     return (HaveColors()) ? ::init_pair(pair, fore, back) : OK;
 }

 int
 NCursesWindow::setpalette(short fore, short back)
 {
     return setpalette(fore, back, getPair());
 }


 int
 NCursesWindow::setcolor(short pair)
 {
     if (HaveColors()) {
 	if ((pair < 1) || (pair > COLOR_PAIRS))
 	    err_handler("Can't set color pair");

 	attroff(A_COLOR);
 	attrset(COLOR_PAIR(pair));
     }
     return OK;
 }

 #if HAVE_HAS_KEY
 bool NCursesWindow::has_mouse() const
 {
     return ((::has_key(KEY_MOUSE) || ::_nc_has_mouse())
 	     ? TRUE : FALSE);
 }
 #endif
	// * this is for making emacs happy: --Mode: C++;--
	/****************************************************************************
	* Copyright (c) 2007 Free Software Foundation, Inc. *
	* *
	* Permission is hereby granted, free of charge, to any person obtaining a *
	* copy of this software and associated documentation files (the *
	* "Software"), to deal in the Software without restriction, including *
	* without limitation the rights to use, copy, modify, merge, publish, *
	* distribute, distribute with modifications, sublicense, and/or sell *
	* copies of the Software, and to permit persons to whom the Software is *
	* furnished to do so, subject to the following conditions: *
	* *
	* The above copyright notice and this permission notice shall be included *
	* in all copies or substantial portions of the Software. *
	* *
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
	* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
	* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
	* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
	* *
	* Except as contained in this notice, the name(s) of the above copyright *
	* holders shall not be used in advertising or otherwise to promote the *
	* sale, use or other dealings in this Software without prior written *
	* authorization. *
	****************************************************************************/

	/*
	* Authors:
	* Thomas E. Dickey
	* Juergen Pfeifer
	*
	* The NCursesWindow class was originally based on a file written by
	* Eric Newton, later modified by Ulrich Drepper and Anatoly Ivasyuk.
	* However, aside from the compatible interface definition, no trace
	* of the original code remains in this version: it consists only of
	* changes introduced since 1995.
	*/

	#include "internal.h"
	#include "cursesw.h"

	MODULE_ID("$Id: cursesw.cc,v 1.49 2007/12/15 23:01:57 tom Exp $")

	#define COLORS_NEED_INITIALIZATION -1
	#define COLORS_NOT_INITIALIZED 0
	#define COLORS_MONOCHROME 1
	#define COLORS_ARE_REALLY_THERE 2

	#define HaveColors() (colorInitialized == COLORS_ARE_REALLY_THERE)

	// declare static variables for the class
	long NCursesWindow::count = 0L;
	bool NCursesWindow::b_initialized = FALSE;

	int
	NCursesWindow::scanw(const char* fmt, ...)
	{
	int result = ERR;

	va_list args;
	va_start(args, fmt);
	result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args);
	va_end(args);

	return result;
	}


	int
	NCursesWindow::scanw(int y, int x, const char* fmt, ...)
	{
	int result = ERR;

	if (::wmove(w, y, x) != ERR) {
	va_list args;
	va_start(args, fmt);
	result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args);
	va_end(args);
	}
	return result;
	}


	int
	NCursesWindow::scanw(const char* fmt, va_list args)
	{
	int result = ERR;

	result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args);

	return result;
	}


	int
	NCursesWindow::scanw(int y, int x, const char* fmt, va_list args)
	{
	int result = ERR;

	if (::wmove(w, y, x) != ERR) {
	result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args);
	}
	return result;
	}


	int
	NCursesWindow::printw(const char * fmt, ...)
	{
	va_list args;
	va_start(args, fmt);
	int result = ::vw_printw(w, fmt, args);
	va_end(args);
	return result;
	}


	int
	NCursesWindow::printw(int y, int x, const char * fmt, ...)
	{
	va_list args;
	va_start(args, fmt);
	int result = ::wmove(w, y, x);
	if (result == OK) {
	result = ::vw_printw(w, fmt, args);
	}
	va_end(args);
	return result;
	}


	int
	NCursesWindow::printw(const char * fmt, va_list args)
	{
	int result = ::vw_printw(w, fmt, args);
	return result;
	}


	int
	NCursesWindow::printw(int y, int x, const char * fmt, va_list args)
	{
	int result = ::wmove(w, y, x);
	if (result == OK) {
	result = ::vw_printw(w, fmt, args);
	}
	return result;
	}


	void
	NCursesWindow::set_keyboard(void)
	{
	keypad(TRUE);
	meta(TRUE);
	}

	void
	NCursesWindow::err_handler(const char *msg) const THROWS(NCursesException)
	{
	THROW(new NCursesException(msg));
	}

	void
	NCursesWindow::initialize()
	{
	if (!b_initialized) {
	::initscr();
	b_initialized = TRUE;
	if (colorInitialized == COLORS_NEED_INITIALIZATION) {
	colorInitialized = COLORS_NOT_INITIALIZED;
	useColors();
	}
	::noecho();
	::cbreak();
	}
	}

	void
	NCursesWindow::constructing()
	{
	initialize();
	++count;
	}

	NCursesWindow::NCursesWindow()
	: w(0), alloced(FALSE), par(0), subwins(0), sib(0)
	{
	constructing();

	w = static_cast<WINDOW *>(0);
	set_keyboard();
	}

	NCursesWindow::NCursesWindow(int nlines, int ncols, int begin_y, int begin_x)
	: w(0), alloced(TRUE), par(0), subwins(0), sib(0)
	{
	constructing();

	w = ::newwin(nlines, ncols, begin_y, begin_x);
	if (w == 0) {
	err_handler("Cannot construct window");
	}
	set_keyboard();
	}

	NCursesWindow::NCursesWindow(WINDOW* window)
	: w(0), alloced(FALSE), par(0), subwins(0), sib(0)
	{
	constructing();

	// We used to use a reference on the "window" parameter, but we cannot do
	// that with an opaque pointer (see NCURSES_OPAQUE). If the parameter was
	// "::stdscr", that is first set via the "constructing() call, and is null
	// up to that point. So we allow a null pointer here as meaning the "same"
	// as "::stdscr".
	w = window ? window : ::stdscr;
	set_keyboard();
	}

	NCursesWindow::NCursesWindow(NCursesWindow& win, int ny, int nx,
	int begin_y, int begin_x, char absrel)
	: w(0), alloced(TRUE), par(0), subwins(0), sib(0)
	{
	constructing();
	if (absrel == 'a') { // absolute origin
	begin_y -= win.begy();
	begin_x -= win.begx();
	}

	// Link this window into its parent's list of subwindows.
	// We use derwin(), since this also works for pads.
	w = ::derwin(win.w, ny, nx, begin_y, begin_x);
	if (w == 0) {
	err_handler("Cannot construct subwindow");
	}

	par = &win;
	sib = win.subwins;
	win.subwins = this;
	}

	NCursesWindow::NCursesWindow(NCursesWindow& win,
	bool do_box NCURSES_PARAM_INIT(TRUE))
	: w(0), alloced(TRUE), par(0), subwins(0), sib(0)
	{
	constructing();
	int myHeight = win.height();
	int myWidth = win.width();
	w = :: derwin(win.w, myHeight - 2, myWidth - 2, 1, 1);
	if (w == 0) {
	err_handler("Cannot construct subwindow");
	}

	par = &win;
	sib = win.subwins;
	win.subwins = this;
	subwins = 0;

	if (do_box) {
	win.box();
	win.touchwin();
	}
	}

	NCursesWindow NCursesWindow::Clone()
	{
	WINDOW *d = ::dupwin(w);
	NCursesWindow W(d);
	W.subwins = subwins;
	W.sib = sib;
	W.par = par;
	W.alloced = alloced;
	return W;
	}

	typedef int (*RIPOFFINIT)(NCursesWindow&);
	static RIPOFFINIT R_INIT[5]; // There can't be more
	static int r_init_idx = 0;
	static RIPOFFINIT* prip = R_INIT;

	NCursesWindow::NCursesWindow(WINDOW *win, int ncols)
	: w(0), alloced(FALSE), par(0), subwins(0), sib(0)
	{
	initialize();
	w = win;
	assert((w->_maxx +1 ) == ncols);
	}

	int _nc_xx_ripoff_init(WINDOW *w, int ncols)
	{
	int res = ERR;

	RIPOFFINIT init = *prip++;
	if (init) {
	NCursesWindow* W = new NCursesWindow(w,ncols);
	res = init(*W);
	}
	return res;
	}

	int NCursesWindow::ripoffline(int ripoff_lines,
	int (*init)(NCursesWindow& win))
	{
	int code = ::_nc_ripoffline(ripoff_lines,_nc_xx_ripoff_init);
	if (code == OK && init && ripoff_lines) {
	R_INIT[r_init_idx++] = init;
	}
	return code;
	}

	bool
	NCursesWindow::isDescendant(NCursesWindow& win)
	{
	bool result = FALSE;

	for (NCursesWindow* p = subwins; p != NULL; p = p->sib) {
	if (p == &win \|\| p->isDescendant(win)) {
	result = TRUE;
	break;
	}
	}
	return result;
	}

	void
	NCursesWindow::kill_subwindows()
	{
	NCursesWindow* p = subwins;

	subwins = 0;
	while (p != 0) {
	NCursesWindow* q = p->sib;
	p->kill_subwindows();
	if (p->alloced) {
	if (p->w != 0)
	::delwin(p->w);
	}
	delete p;
	p = q;
	}
	}


	NCursesWindow::~NCursesWindow()
	{
	kill_subwindows();

	if (par != 0) {
	// Remove this window from the parent's list of subwindows.
	NCursesWindow * next = par->subwins;
	NCursesWindow * prev = 0;
	while (next != 0) {
	if (next == this) {
	if (prev != 0) {
	prev->sib = next->sib;
	} else {
	par->subwins = next->sib;
	}
	break;
	}
	prev = next;
	next = next->sib;
	}
	}

	if (alloced && w != 0)
	::delwin(w);

	if (alloced) {
	--count;
	if (count == 0) {
	::endwin();
	} else if (count < 0) { // cannot happen!
	err_handler("Too many windows destroyed");
	}
	}
	}

	// ---------------------------------------------------------------------
	// Color stuff
	//
	int NCursesWindow::colorInitialized = COLORS_NOT_INITIALIZED;

	void
	NCursesWindow::useColors(void)
	{
	if (colorInitialized == COLORS_NOT_INITIALIZED) {
	if (b_initialized) {
	if (::has_colors()) {
	::start_color();
	colorInitialized = COLORS_ARE_REALLY_THERE;
	} else {
	colorInitialized = COLORS_MONOCHROME;
	}
	} else {
	colorInitialized = COLORS_NEED_INITIALIZATION;
	}
	}
	}

	short
	NCursesWindow::getPair() const
	{
	return static_cast<short>(PAIR_NUMBER(getattrs(w)));
	}

	short
	NCursesWindow::getcolor(int getback) const
	{
	short fore, back;

	if (HaveColors()) {
	if (::pair_content(getPair(), &fore, &back) == ERR)
	err_handler("Can't get color pair");
	} else {
	// Monochrome means white on black
	back = COLOR_BLACK;
	fore = COLOR_WHITE;
	}
	return getback ? back : fore;
	}

	int NCursesWindow::NumberOfColors()
	{
	return (HaveColors()) ? COLORS : 1;
	}

	short
	NCursesWindow::getcolor() const
	{
	return (HaveColors()) ? getPair() : 0;
	}

	int
	NCursesWindow::setpalette(short fore, short back, short pair)
	{
	return (HaveColors()) ? ::init_pair(pair, fore, back) : OK;
	}

	int
	NCursesWindow::setpalette(short fore, short back)
	{
	return setpalette(fore, back, getPair());
	}


	int
	NCursesWindow::setcolor(short pair)
	{
	if (HaveColors()) {
	if ((pair < 1) \|\| (pair > COLOR_PAIRS))
	err_handler("Can't set color pair");

	attroff(A_COLOR);
	attrset(COLOR_PAIR(pair));
	}
	return OK;
	}

	#if HAVE_HAS_KEY
	bool NCursesWindow::has_mouse() const
	{
	return ((::has_key(KEY_MOUSE) \|\| ::_nc_has_mouse())
	? TRUE : FALSE);
	}
	#endif