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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013 CERN
* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
*
* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
*
* 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; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __TOOL_INTERACTIVE_H
#define __TOOL_INTERACTIVE_H
#include <string>
#include <tool/tool_menu.h>
#include <tool/tool_event.h> // Needed for CONTEXT_MENU_TRIGGER
#include <tool/tool_base.h>
class ACTION_MENU;
struct REENTRANCY_GUARD
{
REENTRANCY_GUARD( bool* aFlag ) :
m_flag( aFlag )
{
*m_flag = true;
}
~REENTRANCY_GUARD()
{
*m_flag = false;
}
private:
bool* m_flag;
};
class TOOL_INTERACTIVE : public TOOL_BASE
{
public:
/**
* Create a tool with given id & name. The name must be unique.
*/
TOOL_INTERACTIVE( TOOL_ID aId, const std::string& aName );
/**
* Creates a tool with given name. The name must be unique.
*/
TOOL_INTERACTIVE( const std::string& aName );
virtual ~TOOL_INTERACTIVE();
/**
* Run the tool.
*
* After activation, the tool starts receiving events until it is finished.
*/
void Activate();
TOOL_MENU& GetToolMenu();
/**
* Assign a context menu and tells when it should be activated.
*
* @param aMenu is the menu to be assigned.
* @param aTrigger determines conditions upon which the context menu is activated.
*/
void SetContextMenu( ACTION_MENU* aMenu, CONTEXT_MENU_TRIGGER aTrigger = CMENU_BUTTON );
/**
* Call a function using the main stack.
*
* @param aFunc is the function to be calls.
*/
void RunMainStack( std::function<void()> aFunc );
/**
* Define which state (aStateFunc) to go when a certain event arrives (aConditions).
*
* No conditions means any event.
*/
template <class T>
void Go( int (T::* aStateFunc)( const TOOL_EVENT& ),
const TOOL_EVENT_LIST& aConditions = TOOL_EVENT( TC_ANY, TA_ANY ) );
/**
* Suspend execution of the tool until an event specified in aEventList arrives.
*
* No parameters means waiting for any event.
*/
TOOL_EVENT* Wait( const TOOL_EVENT_LIST& aEventList = TOOL_EVENT( TC_ANY, TA_ANY ) );
/**
* The functions below are not yet implemented - their interface may change
*/
/*template <class Parameters, class ReturnValue>
bool InvokeTool( const std::string& aToolName, const Parameters& parameters,
ReturnValue& returnValue );
template <class Parameters, class ReturnValue>
bool InvokeWindow( const std::string& aWindowName, const Parameters& parameters,
ReturnValue& returnValue );
template <class T>
void Yield( const T& returnValue );*/
protected:
std::unique_ptr<TOOL_MENU> m_menu;
private:
/**
* This method is meant to be overridden in order to specify handlers for events.
*
* It is called every time tool is reset or finished.
*/
virtual void setTransitions() = 0;
/**
* Clear the current transition map and restores the default one created by setTransitions().
*/
void resetTransitions();
void goInternal( TOOL_STATE_FUNC& aState, const TOOL_EVENT_LIST& aConditions );
friend class TOOL_MANAGER;
};
// hide TOOL_MANAGER implementation
template <class T>
void TOOL_INTERACTIVE::Go( int (T::* aStateFunc)( const TOOL_EVENT& ),
const TOOL_EVENT_LIST& aConditions )
{
TOOL_STATE_FUNC sptr = std::bind( aStateFunc, static_cast<T*>( this ), std::placeholders::_1 );
goInternal( sptr, aConditions );
}
#endif
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