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// menu_redirect.h -*-c++-*-
//
// Copyright (C) 2004-2005, 2007 Daniel Burrows
//
// This program 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 of
// the License, or (at your option) any later version.
//
// This program 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 this program; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
//
// This class allows some signals to be "redirected" from the menu to
// appropriate widgets.
#ifndef MENU_REDIRECT_H
#define MENU_REDIRECT_H
#include <sigc++/trackable.h>
class menu_redirect:virtual public sigc::trackable
{
public:
/** \return \b true if the 'undo' command should be enabled. */
virtual bool undo_undo_enabled();
/** Perform the 'undo' command. */
virtual bool undo_undo();
/** \return \b true iff the package commands should be enabled. */
virtual bool package_enabled();
/** Install the selected package (if any).
*
* \return \b true to stop emission of the signal.
*/
virtual bool package_install();
/** Remove the selected package (if any). */
virtual bool package_remove();
/** Purge the selected package (if any). */
virtual bool package_purge();
/** Hold the selected package (if any). */
virtual bool package_hold();
/** Keep the selected package (if any). */
virtual bool package_keep();
/** Set the "automatic" flag on the selected package (if any). */
virtual bool package_mark_auto();
/** Clear the "automatic" flag on the selected package (if any). */
virtual bool package_unmark_auto();
/** \return \b true if the selected item can be 'forbidden'. */
virtual bool package_forbid_enabled();
/** 'Forbid' the selected item: either forbid the candidate
* version of a package, or forbid the selected version.
*/
virtual bool package_forbid();
/** \return \b true if the selected item has information to view. */
virtual bool package_information_enabled();
/** View a package's information. Only works on a real package or a
* package version.
*/
virtual bool package_information();
/** \return \b true if the selected item has a changelog. */
virtual bool package_changelog_enabled();
/** View the changelog of the selected package. */
virtual bool package_changelog();
/** Toggle whether a solution action item is approved. */
virtual bool resolver_toggle_approved();
/** \return \b true if the selected item can be approved. */
virtual bool resolver_toggle_approved_enabled();
/** Toggle whether a solution action item is rejected. */
virtual bool resolver_toggle_rejected();
/** \return \b true if the selected item can be approved. */
virtual bool resolver_toggle_rejected_enabled();
/** View information about a solution action item. */
virtual bool resolver_view_target();
/** \return \b true if the selected item can be approved. */
virtual bool resolver_view_target_enabled();
/** \return \b true if this view knows how to search. */
virtual bool find_search_enabled();
/** Execute the 'search' menu command. */
virtual bool find_search();
/** \return \b true if this view knows how to search back. */
virtual bool find_search_back_enabled();
/** Execute the 'search back' menu command. */
virtual bool find_search_back();
/** \return \b true if this view knows how to search and there is
* a "previous search".
*/
virtual bool find_research_enabled();
/** Execute the 're-search' menu command. */
virtual bool find_research();
/** \return \b true if this view knows how to search and there is
* a "previous search".
*/
virtual bool find_repeat_search_back_enabled();
/** Execute the 'repeat search in the opposite direction' menu command. */
virtual bool find_repeat_search_back();
/** \return \b true if this view knows how to set a display limit. */
virtual bool find_limit_enabled();
/** Execute the 'limit' menu command. */
virtual bool find_limit();
/** \return \b true if this view knows how to clear a display limit. */
virtual bool find_reset_limit_enabled();
/** Execute the 'reset limit' menu command. */
virtual bool find_reset_limit();
/** \return \b true if this view knows how to find broken packages. */
virtual bool find_broken_enabled();
/** Execute the 'find broken' menu command. */
virtual bool find_broken();
virtual ~menu_redirect() {}
};
template<typename T> class ref_ptr;
class vscreen_widget;
/** Bind up all the menu-related signals to the given menu handler.
* The resulting bindings will cause menu items to be enabled if (a)
* valve is the currently active widget, and (b) the underlying
* _enabled test returns \b true.
*/
void create_menu_bindings(menu_redirect *menu_handler,
const ref_ptr<vscreen_widget> &valve);
#endif
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