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old 1M, 3X and 3S section numbers) and make some minor formatting changes to silence manck.
51 lines
2.0 KiB
Groff
51 lines
2.0 KiB
Groff
.TH curs_bkgd 3 ""
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.SH NAME
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\fBbkgdset\fR, \fBwbkgdset\fR, \fBbkgd\fR,
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\fBwbkgd\fR - \fBncurses\fR window background manipulation routines
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.SH SYNOPSIS
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\fB#include <ncurses.h>\fR
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\fBvoid bkgdset(chtype ch);\fR
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.br
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\fBvoid wbkgdset(WINDOW *win, chtype ch);\fR
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.br
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\fBint bkgd(chtype ch);\fR
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.br
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\fBint wbkgd(WINDOW *win, chtype ch);\fR
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.br
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.SH DESCRIPTION
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The \fBbkgdset\fR and \fBwbkgdset\fR routines manipulate the
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background of the named window. Background is a \fBchtype\fR
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consisting of any combination of attributes and a character. The
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attribute part of the background is combined (ORed) with all non-blank
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characters that are written into the window with \fBwaddch\fR. Both
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the character and attribute parts of the background are combined with
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the blank characters. The background becomes a property of the
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character and moves with the character through any scrolling and
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insert/delete line/character operations. To the extent possible on a
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particular terminal, the attribute part of the background is displayed
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as the graphic rendition of the character put on the screen.
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The \fBbkgd\fR and \fBwbkgd\fR routines combine the new background
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with every position in the window. Background is any combination of
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attributes and a character. Only the attribute part is used to set
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the background of non-blank characters, while both character and
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attributes are used for blank positions. To the extent possible on a
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particular terminal, the attribute part of the background is displayed
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as the graphic rendition of the character put on the screen.
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.SH RETURN VALUE
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\fBbkgd\fR and \fBwbkgd\fR return the integer \fBOK\fR, or a
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non-negative integer, if \fBimmedok\fR is set.
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.SH NOTES
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Note that \fBbkgdset\fR and \fBbkgd\fR may be macros.
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.SH BUGS
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\fBimmedok\fR is not yet implemented in ncurses 1.8.6.
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.SH SEE ALSO
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\fBncurses\fR(3), \fBcurs_addch\fR(3), \fBcurs_outopts\fR(3)
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.\"#
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.\"# The following sets edit modes for GNU EMACS
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.\"# Local Variables:
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.\"# mode:nroff
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.\"# fill-column:79
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.\"# End:
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