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/*
This file is part of GNUnet.
(C) 2010 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GNUnet 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file src/setup/gnunet-setup-options.h
* @brief configuration details
* @author Christian Grothoff
*/
#ifndef GNUNET_SETUP_OPTIONS_H
#define GNUNET_SETUP_OPTIONS_H
#include "gnunet-setup.h"
/**
* Function to setup the value on load.
*
* @param cls closure
* @param section section with the value
* @param option option name
* @param value value as a string
* @param widget widget to initialize
* @param cfg configuration handle
* @return GNUNET_OK on success, GNUNET_SYSERR if there was a problem
*/
typedef int (*GNUNET_SETUP_LoadFunction) (const void *cls, const char *section,
const char *option, const char *value,
GObject * widget,
const struct
GNUNET_CONFIGURATION_Handle * cfg);
/**
* Modify the configuration to contain the right value for
* the option based on the state of the widget.
*
* @param cls closure
* @param section section with the value
* @param option option name
* @param widget widget to initialize
* @param cfg configuration handle to update
* @return GNUNET_OK on success, GNUNET_SYSERR if there was a problem
*/
typedef int (*GNUNET_SETUP_SaveFunction) (const void *cls, const char *section,
const char *option, GObject * widget,
struct GNUNET_CONFIGURATION_Handle *
cfg);
/**
* Structs of this type specify under which conditions the values of
* a particular option impact the visibility (or sensitivity) of some
* other widget.
*/
struct GNUNET_SETUP_VisibilitySpecification
{
/**
* Which widget should be changed?
*/
const char *widget_name;
/**
* If the option value matchis this regex, the widget should be
* shown. If NULL, the "hide_value" controls visibility.
*/
const char *show_value;
/**
* If the option value matchis this regex, the widget should be
* hidden. If NULL, the "show_value" controls visibility.
*/
const char *hide_value;
};
/**
* Structs of this type define how widgets relate to GNUnet options
* and control visibility and special actions.
*/
struct GNUNET_SETUP_OptionSpecification
{
/**
* Name of the GTK widget in Glade.
*/
const char *widget_name;
/**
* Name of the signal the widget emits if its state changes.
*/
const char *change_signal;
/**
* Section in the configuration
*/
const char *section;
/**
* Name of the configuration option.
*/
const char *option;
/**
* Help text to display for this option.
*/
const char *help_text;
/**
* Help URL to link to for this option.
*/
const char *help_url;
/**
* Function to call to initialize the widget from the configuration.
*/
GNUNET_SETUP_LoadFunction load_function;
/**
* Function to call set the configuration from the widget.
*/
GNUNET_SETUP_SaveFunction save_function;
/**
* Closure for 'validation_function'.
*/
const void *load_save_cls;
/**
* Visibility changes to apply if this option changes (NULL, or
* NULL-terminated).
*/
const struct GNUNET_SETUP_VisibilitySpecification *visibility;
};
/**
* Option specification data.
*/
extern const struct GNUNET_SETUP_OptionSpecification option_specifications[];
#endif
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