action_manager.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013 CERN
 * Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * @author Maciej Suminski <[email protected]>
 *
 * 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>
#include <set>
 
#include <tool/selection_conditions.h>
 
class TOOL_BASE;
class TOOL_MANAGER;
class TOOL_ACTION;
 
struct ACTION_CONDITIONS
{
    ACTION_CONDITIONS()
    {
        checkCondition  = SELECTION_CONDITIONS::ShowNever;      // Never check by default
        enableCondition = SELECTION_CONDITIONS::ShowAlways;     // Always enable by default
        showCondition   = SELECTION_CONDITIONS::ShowAlways;     // Always show by default
    }
 
    ACTION_CONDITIONS& Check( const SELECTION_CONDITION& aCondition )
    {
        checkCondition = aCondition;
        return *this;
    }
 
    ACTION_CONDITIONS& Enable( const SELECTION_CONDITION& aCondition )
    {
        enableCondition = aCondition;
        return *this;
    }
 
    ACTION_CONDITIONS& Show( const SELECTION_CONDITION& aCondition )
    {
        showCondition = aCondition;
        return *this;
    }
 
    SELECTION_CONDITION checkCondition;     
    SELECTION_CONDITION enableCondition;    
    SELECTION_CONDITION showCondition;      
};
 
class ACTION_MANAGER
{
public:
    ACTION_MANAGER( TOOL_MANAGER* aToolManager );
 
    ~ACTION_MANAGER();
 
    void RegisterAction( TOOL_ACTION* aAction );
 
    static int MakeActionId( const std::string& aActionName );
 
    const std::map<std::string, TOOL_ACTION*>& GetActions() const;
 
    bool IsActionUIId( int aId ) const;
 
    TOOL_ACTION* FindAction( const std::string& aActionName ) const;
 
    bool RunHotKey( int aHotKey ) const;
 
    int GetHotKey( const TOOL_ACTION& aAction ) const;
 
    void UpdateHotKeys( bool aFullUpdate );
 
    static std::list<TOOL_ACTION*>& GetActionList()
    {
        static std::list<TOOL_ACTION*> actionList;
 
        return actionList;
    }
 
    void SetConditions( const TOOL_ACTION& aAction, const ACTION_CONDITIONS& aConditions );
 
    const ACTION_CONDITIONS* GetCondition( const TOOL_ACTION& aAction ) const;
 
private:
    // Resolve a hotkey by applying legacy and current settings over the action's
    // default hotkey.
    void processHotKey( TOOL_ACTION* aAction, const std::map<std::string, int>& aLegacyMap,
                        const std::map<std::string, std::pair<int, int>>& aHotKeyMap );
 
    TOOL_MANAGER* m_toolMgr;
 
    std::map<std::string, TOOL_ACTION*> m_actionNameIndex;
 
    std::map<int, TOOL_ACTION*> m_customUIIdIndex;
 
    typedef std::map<int, std::list<TOOL_ACTION*> > HOTKEY_LIST;
    HOTKEY_LIST m_actionHotKeys;
 
    std::map<int, int> m_hotkeys;
 
    std::map<int, ACTION_CONDITIONS> m_uiConditions;
};
 
#endif /* ACTION_MANAGER_H_ */