mirror of
https://github.com/Aigor44/ncursesw-morphos.git
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ncurses 5.9 - patch 20150307
+ document limitations of getwin in manual page (prompted by discussion with John S Urban). + extend test/savescreen.c to demonstrate that color pair values and graphic characters can be restored using getwin.
This commit is contained in:
Thomas E. Dickey
parent
e14300b95d
commit
aefc1659d7
8
NEWS
8
NEWS
@ -25,7 +25,7 @@
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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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-- $Id: NEWS,v 1.2355 2015/02/28 21:51:14 tom Exp $
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-- $Id: NEWS,v 1.2357 2015/03/07 23:38:25 tom Exp $
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-------------------------------------------------------------------------------
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This is a log of changes that ncurses has gone through since Zeyd started
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@ -45,6 +45,12 @@ See the AUTHORS file for the corresponding full names.
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Changes through 1.9.9e did not credit all contributions;
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it is not possible to add this information.
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20150307
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+ document limitations of getwin in manual page (prompted by discussion
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with John S Urban).
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+ extend test/savescreen.c to demonstrate that color pair values
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and graphic characters can be restored using getwin.
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20150228
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+ modify win_driver.c to eliminate the constructor, to make it more
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usable in an application which may/may not need the console window
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4
dist.mk
4
dist.mk
@ -25,7 +25,7 @@
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# use or other dealings in this Software without prior written #
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# authorization. #
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##############################################################################
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# $Id: dist.mk,v 1.1036 2015/02/28 17:36:40 tom Exp $
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# $Id: dist.mk,v 1.1037 2015/03/07 16:12:58 tom Exp $
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# Makefile for creating ncurses distributions.
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#
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# This only needs to be used directly as a makefile by developers, but
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@ -37,7 +37,7 @@ SHELL = /bin/sh
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# These define the major/minor/patch versions of ncurses.
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NCURSES_MAJOR = 5
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NCURSES_MINOR = 9
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NCURSES_PATCH = 20150228
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NCURSES_PATCH = 20150307
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# We don't append the patch to the version, since this only applies to releases
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VERSION = $(NCURSES_MAJOR).$(NCURSES_MINOR)
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@ -1,6 +1,6 @@
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'\" t
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.\"***************************************************************************
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.\" Copyright (c) 1998-2012,2013 Free Software Foundation, Inc. *
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.\" Copyright (c) 1998-2013,2015 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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@ -27,7 +27,7 @@
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: curs_util.3x,v 1.37 2013/07/20 19:43:45 tom Exp $
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.\" $Id: curs_util.3x,v 1.38 2015/03/07 23:33:38 tom Exp $
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.TH curs_util 3X ""
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.ie \n(.g .ds `` \(lq
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.el .ds `` ``
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@ -121,7 +121,8 @@ The two functions do not return the same set of strings;
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the latter returns null where the former would display a meta character.
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.PP
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The \fBfilter\fR routine, if used, must be called before \fBinitscr\fR or
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\fBnewterm\fR are called. The effect is that, during those calls, \fBLINES\fR
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\fBnewterm\fR are called.
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The effect is that, during those calls, \fBLINES\fR
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is set to 1; the capabilities \fBclear\fR, \fBcup\fR, \fBcud\fR, \fBcud1\fR,
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\fBcuu1\fR, \fBcuu\fR, \fBvpa\fR are disabled; and the \fBhome\fR string is
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set to the value of \fBcr\fR.
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@ -198,16 +199,36 @@ ncurses relies on the terminal database to determine size.
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T}
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.TE
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.PP
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The \fBputwin\fR routine writes all data associated with window \fIwin\fR into
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the file to which \fIfilep\fR points. This information can be later retrieved
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The \fBputwin\fR routine writes all data associated
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with window (or pad) \fIwin\fR into
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the file to which \fIfilep\fR points.
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This information can be later retrieved
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using the \fBgetwin\fR function.
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.PP
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The \fBgetwin\fR routine reads window related data stored in the file by
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\fBputwin\fR. The routine then creates and initializes a new window using that
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data. It returns a pointer to the new window.
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\fBputwin\fR.
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The routine then creates and initializes a new window using that
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data.
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It returns a pointer to the new window.
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There are a few caveats:
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.bP
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the data written is a copy of the \fBWINDOW\fP structure,
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and its associated character cells.
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The format differs between the wide-character (ncursesw) and
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non-wide (ncurses) libraries.
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.bP
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the retrieved window is always created as a top-level window (or pad),
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rather than a subwindow.
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.bP
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the window's character cells contain the color pair \fIvalue\fP,
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but not the actual color \fInumbers\fP.
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If cells in the retrieved window use color pairs which have not been
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created in the application using \fBinit_pair\fP,
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they will not be colored when the window is refreshed.
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.PP
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The \fBdelay_output\fR routine inserts an \fIms\fR millisecond pause
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in output. This routine should not be used extensively because
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in output.
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This routine should not be used extensively because
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padding characters are used rather than a CPU pause.
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If no padding character is specified,
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this uses \fBnapms\fR to perform the delay.
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@ -261,7 +282,8 @@ parameter values outside the 0 to 255 range.
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.RE
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.PP
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The SVr4 documentation describes the action of \fBfilter\fR only in the vaguest
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terms. The description here is adapted from the XSI Curses standard (which
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terms.
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The description here is adapted from the XSI Curses standard (which
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erroneously fails to describe the disabling of \fBcuu\fR).
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.PP
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The strings returned by \fBunctrl\fR in this implementation are determined
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@ -1,8 +1,8 @@
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ncurses6 (5.9+20150228) unstable; urgency=low
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ncurses6 (5.9+20150307) unstable; urgency=low
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* latest weekly patch
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-- Thomas E. Dickey <dickey@invisible-island.net> Sat, 28 Feb 2015 12:36:40 -0500
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-- Thomas E. Dickey <dickey@invisible-island.net> Sat, 07 Mar 2015 11:12:58 -0500
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ncurses6 (5.9-20131005) unstable; urgency=low
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@ -1,8 +1,8 @@
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ncurses6 (5.9+20150228) unstable; urgency=low
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ncurses6 (5.9+20150307) unstable; urgency=low
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* latest weekly patch
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-- Thomas E. Dickey <dickey@invisible-island.net> Sat, 28 Feb 2015 12:36:40 -0500
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-- Thomas E. Dickey <dickey@invisible-island.net> Sat, 07 Mar 2015 11:12:58 -0500
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ncurses6 (5.9-20131005) unstable; urgency=low
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@ -1,8 +1,8 @@
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ncurses6 (5.9+20150228) unstable; urgency=low
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ncurses6 (5.9+20150307) unstable; urgency=low
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* latest weekly patch
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-- Thomas E. Dickey <dickey@invisible-island.net> Sat, 28 Feb 2015 12:36:40 -0500
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-- Thomas E. Dickey <dickey@invisible-island.net> Sat, 07 Mar 2015 11:12:58 -0500
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ncurses6 (5.9-20120608) unstable; urgency=low
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@ -1,4 +1,4 @@
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; $Id: mingw-ncurses.nsi,v 1.89 2015/02/28 17:36:40 tom Exp $
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; $Id: mingw-ncurses.nsi,v 1.90 2015/03/07 16:12:58 tom Exp $
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; TODO add examples
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; TODO bump ABI to 6
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@ -10,7 +10,7 @@
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!define VERSION_MAJOR "5"
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!define VERSION_MINOR "9"
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!define VERSION_YYYY "2015"
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!define VERSION_MMDD "0228"
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!define VERSION_MMDD "0307"
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!define VERSION_PATCH ${VERSION_YYYY}${VERSION_MMDD}
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!define MY_ABI "5"
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@ -3,7 +3,7 @@
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Summary: shared libraries for terminal handling
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Name: mingw32-ncurses6
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Version: 5.9
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Release: 20150228
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Release: 20150307
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License: X11
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Group: Development/Libraries
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Source: ncurses-%{version}-%{release}.tgz
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@ -1,7 +1,7 @@
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Summary: shared libraries for terminal handling
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Name: ncurses6
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Version: 5.9
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Release: 20150228
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Release: 20150307
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License: X11
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Group: Development/Libraries
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Source: ncurses-%{version}-%{release}.tgz
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@ -1,5 +1,5 @@
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/****************************************************************************
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* Copyright (c) 2007-2010,2011 Free Software Foundation, Inc. *
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* Copyright (c) 2007-2011,2015 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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@ -26,7 +26,7 @@
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* authorization. *
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****************************************************************************/
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/*
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* $Id: savescreen.c,v 1.15 2011/01/15 18:15:11 tom Exp $
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* $Id: savescreen.c,v 1.21 2015/03/07 21:55:35 tom Exp $
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*
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* Demonstrate save/restore functions from the curses library.
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* Thomas Dickey - 2007/7/14
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@ -105,13 +105,25 @@ after_load(void)
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static void
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show_what(int which, int last)
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{
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int y, x;
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time_t now = time((time_t *) 0);
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int y, x, n;
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time_t now;
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char *mytime;
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getyx(stdscr, y, x);
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move(0, 0);
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printw("Saved %d of %d - %s", which, last + 1, ctime(&now));
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printw("Saved %d of %d (? for help)", which, last + 1);
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now = time((time_t *) 0);
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mytime = ctime(&now);
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for (n = (int) strlen(mytime) - 1; n >= 0; --n) {
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if (isspace(UChar(mytime[n]))) {
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mytime[n] = '\0';
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} else {
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break;
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}
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}
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mvprintw(0, (COLS - n - 2), " %s", mytime);
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move(y, x);
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@ -123,7 +135,7 @@ get_command(int which, int last)
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{
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int ch;
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timeout(100);
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timeout(50);
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do {
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show_what(which, last);
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@ -133,6 +145,61 @@ get_command(int which, int last)
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return ch;
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}
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static void
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show_help(const char **help)
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{
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WINDOW *mywin = newwin(LINES, COLS, 0, 0);
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int n;
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box(mywin, 0, 0);
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wmove(mywin, 1, 1);
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for (n = 0; help[n] != 0; ++n) {
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wmove(mywin, 1 + n, 2);
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wprintw(mywin, "%.*s", COLS - 4, help[n]);
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}
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wgetch(mywin);
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delwin(mywin);
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touchwin(stdscr);
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refresh();
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}
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static void
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editor_help(void)
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{
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static const char *msgs[] =
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{
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"You are now in the screen-editor, which allows you to make some",
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"lines on the screen, as well as save copies of the screen to a",
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"temporary file",
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"",
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"Keys:",
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" q quit",
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" n run the screen-loader to show the saved screens",
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" <space> dump a screen",
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"",
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" a toggle between '#' and graphic symbol for drawing",
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" c change color drawn by line to next in palette",
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" h,j,k,l or arrows to move around the screen, drawing",
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};
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show_help(msgs);
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}
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static void
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replay_help(void)
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{
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static const char *msgs[] =
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{
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"You are now in the screen-loader, which allows you to view",
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"the dumped/restored screens.",
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"",
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"Keys:",
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" q quit",
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" <space> load the next screen",
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" <backspace> load the previous screen",
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};
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show_help(msgs);
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}
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static void
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usage(void)
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{
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@ -189,10 +256,19 @@ main(int argc, char *argv[])
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keypad(stdscr, TRUE);
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curs_set(0);
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if (has_colors()) {
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short pair;
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short color;
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start_color();
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for (ch = 0; ch < COLOR_PAIRS; ++ch) {
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short pair = (short) (ch % COLOR_PAIRS);
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init_pair(pair, COLOR_WHITE, (short) (ch % COLORS));
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/*
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* Assume pairs is the square of colors, and assign pairs going down
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* so that there is minimal conflict with the background color (which
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* counts up). The intent is just to show how color pair values are
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* saved and restored.
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*/
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for (pair = 0; pair < COLOR_PAIRS; ++pair) {
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color = (short) (pair % (COLORS - 1));
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init_pair(pair, COLOR_WHITE - color, color);
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}
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}
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@ -227,7 +303,6 @@ main(int argc, char *argv[])
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done = TRUE;
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break;
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case 'q':
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endwin();
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cleanup(files);
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done = TRUE;
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break;
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@ -240,6 +315,9 @@ main(int argc, char *argv[])
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if (++which > last)
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which = 0;
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break;
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case '?':
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replay_help();
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break;
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default:
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beep();
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continue;
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@ -256,17 +334,12 @@ main(int argc, char *argv[])
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wrefresh(curscr);
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}
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}
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endwin();
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} else {
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int y;
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int x;
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move(2, 0);
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printw("Use h,j,k,l or arrows to move around the screen\n");
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printw("Press 'q' to quit, ' ' to dump a screen\n");
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printw("When the last screen has been dumped, press 'n' to run the\n");
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printw("screen-loader. That allows only 'q', backspace and ' ' for\n");
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printw("stepping through the dumped/restored screens.\n");
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getyx(stdscr, y, x);
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int y = 0;
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int x = 0;
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int color = 0;
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int altchars = 0;
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while (!done) {
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switch (get_command(which, last)) {
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@ -275,7 +348,6 @@ main(int argc, char *argv[])
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done = TRUE;
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break;
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case 'q':
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endwin();
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cleanup(files);
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done = TRUE;
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break;
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@ -291,8 +363,22 @@ main(int argc, char *argv[])
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}
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++which;
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if (has_colors()) {
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int cx, cy;
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short pair = (short) (which % COLOR_PAIRS);
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/*
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* Change the background color, to make it more
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* obvious. But that changes the existing text-color.
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* Copy the old values from the currently displayed
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* screen.
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*/
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bkgd((chtype) COLOR_PAIR(pair));
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for (cy = 1; cy < LINES; ++cy) {
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for (cx = 0; cx < COLS; ++cx) {
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wmove(curscr, cy, cx);
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wmove(stdscr, cy, cx);
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waddch(stdscr, winch(curscr));
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}
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}
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}
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} else {
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beep();
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@ -318,20 +404,32 @@ main(int argc, char *argv[])
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if (++x >= COLS)
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x = 0;
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break;
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case 'a':
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altchars = !altchars;
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break;
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case 'c':
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color = (color + 1) % COLORS;
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break;
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case '?':
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editor_help();
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break;
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default:
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beep();
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continue;
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}
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if (!done) {
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time_t now = time((time_t *) 0);
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move(0, 0);
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addstr(ctime(&now));
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attr_t attr = (A_REVERSE | COLOR_PAIR(color * COLORS));
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chtype ch2 = (altchars ? ACS_DIAMOND : '#');
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move(y, x);
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addch('#' | A_REVERSE);
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addch(ch2 | attr);
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move(y, x);
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}
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}
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endwin();
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}
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ExitProgram(EXIT_SUCCESS);
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}
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#else
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int
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||||
main(int argc, char *argv[])
|
||||
|
||||
Loading…
Reference in New Issue
Block a user