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https://github.com/Aigor44/ncursesw-morphos.git
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0819b56c30
+ avoid a blank line in output from tabs program by ending it with a carriage return as done in FreeBSD (patch by James Clarke). + build-fix for the "--enable-ext-putwin" feature when not using wide characters (report by Werner Fink). + modify autoconf macros to use scripting improvement from xterm. + add -brtl option to compiler options on AIX 5-7, needed to link with the shared libraries. + add --with-extra-suffix option to help with installing nonconflicting ncurses6 packages, e.g., avoiding header- and library-conflicts. NOTE: as a side-effect, this renames adacurses-config to adacurses5-config and adacursesw-config to adacursesw5-config + modify debian/rules test package to suffix programs with "6". + clarify in curs_inopts.3x that window-specific settings do not inherit into new windows.
113 lines
4.9 KiB
Plaintext
113 lines
4.9 KiB
Plaintext
.\"***************************************************************************
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.\" Copyright (c) 1998-2020,2015 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: curs_touch.3x,v 1.15 2015/04/11 10:23:49 tom Exp $
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.TH curs_touch 3X ""
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.na
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.hy 0
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.SH NAME
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\fBtouchwin\fR,
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\fBtouchline\fR,
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\fBuntouchwin\fR,
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\fBwtouchln\fR,
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\fBis_linetouched\fR,
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\fBis_wintouched\fR \- \fBcurses\fR refresh control routines
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.ad
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.hy
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.SH SYNOPSIS
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\fB#include <curses.h>\fR
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.br
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\fBint touchwin(WINDOW *win);\fR
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.br
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\fBint touchline(WINDOW *win, int start, int count);\fR
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.br
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\fBint untouchwin(WINDOW *win);\fR
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.br
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\fBint wtouchln(WINDOW *win, int y, int n, int changed);\fR
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.br
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\fBbool is_linetouched(WINDOW *win, int line);\fR
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.br
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\fBbool is_wintouched(WINDOW *win);\fR
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.br
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.SH DESCRIPTION
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The \fBtouchwin\fR and \fBtouchline\fR routines throw away all
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optimization information about which parts of the window have been
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touched, by pretending that the entire window has been drawn on. This
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is sometimes necessary when using overlapping windows, since a change
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to one window affects the other window, but the records of which lines
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have been changed in the other window do not reflect the change. The
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routine \fBtouchline\fR only pretends that \fIcount\fR lines have been
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changed, beginning with line \fIstart\fR.
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.PP
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The \fBuntouchwin\fR routine marks all lines in the window as unchanged since
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the last call to \fBwrefresh\fR.
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.PP
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The \fBwtouchln\fR routine makes \fIn\fR lines in the window, starting
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at line \fIy\fR, look as if they have (\fIchanged\fR\fB=1\fR) or have
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not (\fIchanged\fR\fB=0\fR) been changed since the last call to
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\fBwrefresh\fR.
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.PP
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The \fBis_linetouched\fR and \fBis_wintouched\fR routines return
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\fBTRUE\fR if the specified line/window was modified since the last
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call to \fBwrefresh\fR; otherwise they return \fBFALSE\fR. In
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addition, \fBis_linetouched\fR returns \fBERR\fR if \fIline\fR is not
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valid for the given window.
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.SH RETURN VALUE
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All routines return the integer \fBERR\fR upon failure and an integer value
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other than \fBERR\fR upon successful completion, unless otherwise noted in the
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preceding routine descriptions.
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.PP
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X/Open does not define any error conditions.
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In this implementation
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.RS
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.TP 5
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\fBis_linetouched\fP
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returns an error
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if the window pointer is null, or
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if the line number is outside the window.
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Note that ERR is distinct from \fBTRUE\fP and \fBFALSE\fP, which are the normal return values of this function.
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.TP 5
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\fBwtouchln\fP
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returns an error
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if the window pointer is null, or
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if the line number is outside the window.
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.RE
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.SH PORTABILITY
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The XSI Curses standard, Issue 4 describes these functions.
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.PP
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Some historic curses implementations had, as an undocumented feature, the
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ability to do the equivalent of \fBclearok(..., 1)\fR by saying
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\fBtouchwin(stdscr)\fR or \fBclear(stdscr)\fR. This will not work under
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ncurses.
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.SH NOTES
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Note that all routines except \fBwtouchln\fR may be macros.
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.SH SEE ALSO
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\fBcurses\fR(3X),
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\fBcurs_refresh\fR(3X),
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\fBcurs_variables\fR(3X).
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