?? curs_bkgrnd.3x
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.\"***************************************************************************.\" Copyright (c) 2002 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. *.\"***************************************************************************.\".\" $Id: curs_bkgrnd.3x,v 1.1 2002/02/23 23:23:42 tom Exp $.TH curs_bkgrnd 3X "".SH NAME.PP\fBbkgrnd\fR,\fBwbkgrnd\fR,\fBbkgrndset\fR,\fBwbkgrndset\fR,\fBgetbkgrnd\fR,\fBwgetbkgrnd\fR \- \fBcurses\fR window complex background manipulation routines.SH SYNOPSIS.PP.B #include <curses.h>\fBint bkgrnd(\fR\fB const cchar_t *\fR\fIwch\fR\fB);\fR.br\fBint wbkgrnd(\fR\fB WINDOW *\fR\fIwin\fR\fB, const cchar_t *\fR\fIwch\fR\fB);\fR.br\fBvoid bkgrndset(const cchar_t *\fR\fIwch\fR \fB);\fR.br\fBvoid wbkgrndset(WINDOW *\fR\fIwin\fR\fB, const cchar_t *\fR\fIwch\fR\fB);\fR.br\fBint getbkgrnd(cchar_t *\fR\fIwch\fR\fB);\fR.br\fBint wgetbkgrnd(WINDOW *\fR\fIwin\fR\fB, cchar_t *\fR\fIwch\fR\fB);\fR.br.SH DESCRIPTIONThe \fBbkgrndset\fR and \fBwbkgrndset\fR routines manipulate thebackground of the named window.The window background is a \fBcchar_t\fR consisting ofany combination of attributes (i.e., rendition) and a complex character.The attribute part of the background is combined (OR'ed) with all non-blankcharacters that are written into the window with \fBwaddch\fR. Boththe character and attribute parts of the background are combined withthe blank characters.The background becomes a property of thecharacter and moves with the character through any scrolling andinsert/delete line/character operations.To the extent possible on aparticular terminal, the attribute part of the background is displayedas the graphic rendition of the character put on the screen.The \fBbkgrnd\fR and \fBwbkgrnd\fR functionsset the background property of the current or specified windowand then apply this setting to every character position in that window:.RSThe rendition of every character on the screen is changed tothe new background rendition.Wherever the former background characterappears, it is changed to the new background character..REThe \fBgetbkgrnd\fR function returns the given window's current backgroundcharacter/attribute pair via the \fBwch\fR pointer..SH NOTESNote that\fBbkgrnd\fR,\fBbkgrndset\fR, and\fBgetbkgrnd\fRmay be macros..SH RETURN VALUESThe \fBbkgrndset\fR and \fBwbkgrndset\fR routines do not return a value..PPUpon successful completion, the other functions return \fBOK\fR.Otherwise, they return \fBERR\fR.A null window pointer is treated as an error..SH SEE ALSO\fBcurses\fR(3X),\fBcurs_bkgd\fR(3X).\"#.\"# The following sets edit modes for GNU EMACS.\"# Local Variables:.\"# mode:nroff.\"# fill-column:79.\"# End:
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