/usr/include/FL/Fl_Plugin.H is in libfltk1.3-dev 1.3.0-8.
This file is owned by root:root, with mode 0o644.
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// "$Id: Fl_Plugin.H 6995 2010-01-12 08:48:55Z matt $"
//
// A Plugin system for FLTK, implemented in Fl_Preferences.cxx.
//
// Copyright 2002-2010 by Matthias Melcher.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
/* \file
Fl_Plugin class . */
#ifndef Fl_Plugin_H
# define Fl_Plugin_H
# include "Fl_Preferences.H"
/**
\brief Fl_Plugin allows link-time and run-time integration of binary modules.
Fl_Plugin and Fl_Plugin_Manager provide a small and simple solution for
linking C++ classes at run-time, or optionally linking modules at compile
time without the need to change the main application.
Fl_Plugin_Manager uses static initialisation to create the plugin interface
early during startup. Plugins are stored in a temporary database, organized
in classes.
Plugins should derive a new class from Fl_Plugin as a base:
\code
class My_Plugin : public Fl_Plugin {
public:
My_Plugin() : Fl_Plugin("effects", "blur") { }
void do_something(...);
};
My_Plugin blur_plugin();
\endcode
Plugins can be put into modules and either linked before distribution, or loaded
from dynamically linkable files. An Fl_Plugin_Manager is used to list and
access all currently loaded plugins.
\code
Fl_Plugin_Manager mgr("effects");
int i, n = mgr.plugins();
for (i=0; i<n; i++) {
My_Plugin *pin = (My_Plugin*)mgr.plugin(i);
pin->do_something();
}
\endcode
*/
class FL_EXPORT Fl_Plugin {
Fl_Preferences::ID id;
public:
Fl_Plugin(const char *klass, const char *name);
virtual ~Fl_Plugin();
};
/**
\brief Fl_Plugin_Manager manages link-time and run-time plugin binaries.
\see Fl_Plugin
*/
class FL_EXPORT Fl_Plugin_Manager : public Fl_Preferences {
public:
Fl_Plugin_Manager(const char *klass);
~Fl_Plugin_Manager();
/** \brief Return the number of plugins in the klass.
*/
int plugins() { return groups(); }
Fl_Plugin *plugin(int index);
Fl_Plugin *plugin(const char *name);
Fl_Preferences::ID addPlugin(const char *name, Fl_Plugin *plugin);
static void removePlugin(Fl_Preferences::ID id);
static int load(const char *filename);
static int loadAll(const char *filepath, const char *pattern=0);
};
#endif // !Fl_Preferences_H
//
// End of "$Id: Fl_Preferences.H 6995 2010-01-12 08:48:55Z matt $".
//
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