mirror of
https://github.com/Aigor44/ncursesw-morphos.git
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8a82f8535b
+ improve parameter checking in copywin(). + modify configure script to work around OS X's "libtool" program, to choose glibtool instead. At the same time, chance the autoconf macro to look for a "tool" rather than a "prog", to help with potential use in cross-compiling. + separate the rpath usage for c++ library from demo program (Redhat #911540) + update/correct header-dependencies in c++ makefile (report by Werner Fink). + add --with-cxx-shared to dpkg-script, as done for rpm-script.
86 lines
4.2 KiB
Plaintext
86 lines
4.2 KiB
Plaintext
.\"***************************************************************************
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.\" Copyright (c) 1998-2010,2013 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_overlay.3x,v 1.17 2013/04/06 23:48:51 tom Exp $
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.TH curs_overlay 3X ""
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.na
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.hy 0
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.SH NAME
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\fBoverlay\fR,
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\fBoverwrite\fR,
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\fBcopywin\fR \- overlay and manipulate overlapped \fBcurses\fR windows
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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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.sp
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\fBint overlay(const WINDOW *srcwin, WINDOW *dstwin);\fR
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.br
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\fBint overwrite(const WINDOW *srcwin, WINDOW *dstwin);\fR
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.br
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\fBint copywin(const WINDOW *srcwin, WINDOW *dstwin, int sminrow,\fR
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\fBint smincol, int dminrow, int dmincol, int dmaxrow,\fR
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\fBint dmaxcol, int overlay);\fR
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.SH DESCRIPTION
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The \fBoverlay\fR and \fBoverwrite\fR routines overlay \fIsrcwin\fR on
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top of \fIdstwin\fR.
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\fIscrwin\fR and \fIdstwin\fR are not required
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to be the same size; only text where the two windows overlap is copied.
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The difference is that \fBoverlay\fR is non-destructive
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(blanks are not copied) whereas \fBoverwrite\fR is destructive.
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.PP
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The \fBcopywin\fR routine provides a finer granularity of control over the
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\fBoverlay\fR and \fBoverwrite\fR routines.
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As in the \fBprefresh\fR routine,
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a rectangle is specified in the destination window, (\fIdminrow\fR,
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\fIdmincol\fR) and (\fIdmaxrow\fR, \fIdmaxcol\fR), and the upper-left-corner
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coordinates of the source window, (\fIsminrow\fR, \fIsmincol\fR).
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If the argument \fIoverlay\fR is \fBtrue\fR,
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then copying is non-destructive,
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as in \fBoverlay\fR.
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.SH RETURN VALUE
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Routines that return an integer return \fBERR\fR upon failure, and \fBOK\fR
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(SVr4 only specifies "an integer value other than \fBERR\fR") upon successful
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completion.
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.PP
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X/Open defines no error conditions.
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In this implementation,
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\fBcopywin\fP,
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\fBoverlay\fP and \fBoverwrite\fP return an error
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if either of the window pointers are null, or
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if some part of the window would be placed off-screen.
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.SH NOTES
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Note that \fBoverlay\fR and \fBoverwrite\fR may be macros.
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.SH PORTABILITY
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The XSI Curses standard, Issue 4 describes these functions (adding the const
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qualifiers).
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It further specifies their behavior in the presence of characters
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with multibyte renditions (not yet supported in this implementation).
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.SH SEE ALSO
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\fBcurses\fR(3X), \fBcurs_pad\fR(3X), \fBcurs_refresh\fR(3X)
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