kicad/include/tool/action_manager.h

145 lines
4.5 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013 CERN
* @author Maciej Suminski <maciej.suminski@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 ACTION_MANAGER_H_
#define ACTION_MANAGER_H_
#include <list>
#include <map>
#include <string>
class TOOL_BASE;
class TOOL_MANAGER;
class TOOL_ACTION;
/**
* Class ACTION_MANAGER
*
* Takes care of TOOL_ACTION objects. Registers them and allows one to run them
* using associated hot keys, names or ids.
*/
class ACTION_MANAGER
{
public:
/**
* Constructor.
* @param aToolManager is a tool manager instance that is used to pass events to tools.
*/
ACTION_MANAGER( TOOL_MANAGER* aToolManager );
/**
* Destructor.
* Unregisters every registered action.
*/
~ACTION_MANAGER();
/**
* Function RegisterAction()
* Adds a tool action to the manager and sets it up. After that is is possible to invoke
* the action using hotkeys or sending a command event with its name.
* @param aAction: action to be added. Ownership is not transferred.
*/
void RegisterAction( TOOL_ACTION* aAction );
/**
* Function UnregisterAction()
* Removes a tool action from the manager and makes it unavailable for further usage.
* @param aAction: action to be removed.
*/
void UnregisterAction( TOOL_ACTION* aAction );
/**
* Generates an unique ID from for an action with given name.
*/
static int MakeActionId( const std::string& aActionName );
/**
* Get a list of currently-registered actions mapped by their name.
*/
const std::map<std::string, TOOL_ACTION*>& GetActions();
/**
* Function FindAction()
* Finds an action with a given name (if there is one available).
* @param aActionName is the searched action.
* @return Pointer to a TOOL_ACTION object or NULL if there is no such action.
*/
TOOL_ACTION* FindAction( const std::string& aActionName ) const;
/**
* Function RunHotKey()
* Runs an action associated with a hotkey (if there is one available).
* @param aHotKey is the hotkey to be handled.
* @return True if there was an action associated with the hotkey, false otherwise.
*/
bool RunHotKey( int aHotKey ) const;
/**
* Function GetHotKey()
* Returns the hot key associated with a given action or 0 if there is none.
* @param aAction is the queried action.
*/
int GetHotKey( const TOOL_ACTION& aAction ) const;
/**
* Function UpdateHotKeys()
* Optionally reads the hotkey config files and then rebuilds the internal hotkey maps.
*/
void UpdateHotKeys( bool aFullUpdate );
/**
* Function GetActionList()
* Returns list of TOOL_ACTIONs. TOOL_ACTIONs add themselves to the list upon their
* creation.
* @return List of TOOL_ACTIONs.
*/
static std::list<TOOL_ACTION*>& GetActionList()
{
static std::list<TOOL_ACTION*> actionList;
return actionList;
}
private:
// Resolves a hotkey by applying legacy and current settings over the action's
// default hotkey.
int processHotKey( TOOL_ACTION* aAction, std::map<std::string, int> aLegacyMap,
std::map<std::string, int> aHotKeyMap );
///> Tool manager needed to run actions
TOOL_MANAGER* m_toolMgr;
///> Map for indexing actions by their names
std::map<std::string, TOOL_ACTION*> m_actionNameIndex;
///> Map for indexing actions by their hotkeys
typedef std::map<int, std::list<TOOL_ACTION*> > HOTKEY_LIST;
HOTKEY_LIST m_actionHotKeys;
///> Quick action<->hot key lookup
std::map<int, int> m_hotkeys;
};
#endif /* ACTION_MANAGER_H_ */