231 lines
7.0 KiB
C++
231 lines
7.0 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2013-2015 CERN
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __CONTEXT_MENU_H
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#define __CONTEXT_MENU_H
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#include <map>
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#include <list>
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#include <boost/function.hpp>
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#include <wx/menu.h>
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#include <tool/tool_action.h>
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class TOOL_INTERACTIVE;
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/**
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* Class CONTEXT_MENU
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*
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* Defines the structure of a context (usually right-click) popup menu
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* for a given tool.
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*/
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class CONTEXT_MENU : public wxMenu
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{
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public:
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///> Default constructor
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CONTEXT_MENU();
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///> Copy constructor
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CONTEXT_MENU( const CONTEXT_MENU& aMenu );
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virtual ~CONTEXT_MENU();
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CONTEXT_MENU& operator=( const CONTEXT_MENU& aMenu );
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/**
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* Function SetTitle()
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* Sets title for the context menu. The title is shown as a text label shown on the top of
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* the menu.
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* @param aTitle is the new title.
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*/
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void SetTitle( const wxString& aTitle );
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/**
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* Function SetIcon()
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* Assigns an icon for the entry.
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* @param aIcon is the icon to be assigned. NULL is used to remove icon.
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*/
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inline void SetIcon( const BITMAP_OPAQUE* aIcon )
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{
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m_icon = aIcon;
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}
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/**
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* Function Add()
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* Adds an entry to the menu. After highlighting/selecting the entry, a TOOL_EVENT command is
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* sent that contains ID of the entry.
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* @param aLabel is the text label show in the menu.
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* @param aId is the ID that is sent in the TOOL_EVENT. It should be unique for every entry.
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* @param aIcon is an optional icon.
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*/
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wxMenuItem* Add( const wxString& aLabel, int aId, const BITMAP_OPAQUE* aIcon = NULL );
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/**
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* Function Add()
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* Adds an entry to the menu, basing on the TOOL_ACTION object. After selecting the entry,
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* a TOOL_EVENT command containing name of the action is sent.
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* @param aAction is the action to be added to menu entry.
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*/
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wxMenuItem* Add( const TOOL_ACTION& aAction );
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/**
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* Function Add()
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* Adds a context menu as a submenu. The difference between this function and wxMenu::AppendSubMenu()
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* is the capability to handle icons.
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* @param aMenu is the submenu to be added.
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* @param aLabel is the caption displayed for the menu entry.
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* @param aExpand allows to add all entries from the menu as individual entries rather than
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* add everything as a submenu.
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*/
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std::list<wxMenuItem*> Add( CONTEXT_MENU* aMenu, const wxString& aLabel, bool aExpand = false );
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/**
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* Function Clear()
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* Removes all the entries from the menu (as well as its title). It leaves the menu in the
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* initial state.
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*/
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void Clear();
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/**
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* Function GetSelected()
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* Returns the position of selected item. If the returned value is negative, that means that
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* menu was dismissed.
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* @return The position of selected item in the context menu.
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*/
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inline int GetSelected() const
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{
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return m_selected;
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}
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/**
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* Function UpdateAll()
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* Runs update handlers for the menu and its submenus.
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*/
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void UpdateAll();
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// Helper typedefs
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typedef boost::function<OPT_TOOL_EVENT(const wxMenuEvent&)> MENU_HANDLER;
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typedef boost::function<void()> UPDATE_HANDLER;
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/**
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* Function SetMenuHandler()
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* Sets the menu event handler to another function.
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*/
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inline void SetMenuHandler( MENU_HANDLER aMenuHandler )
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{
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m_menu_handler = aMenuHandler;
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}
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/**
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* Function SetUpdateHandler()
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* Sets the update handler to a different function.
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*/
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inline void SetUpdateHandler( UPDATE_HANDLER aUpdateHandler )
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{
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m_update_handler = aUpdateHandler;
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}
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/**
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* Function SetTool()
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* Sets a tool that is the creator of the menu.
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* @param aTool is the tool that created the menu.
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*/
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void SetTool( TOOL_INTERACTIVE* aTool );
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protected:
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///> Returns an instance of TOOL_MANAGER class.
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TOOL_MANAGER* getToolManager();
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///> Returns the corresponding wxMenuItem identifier for a TOOL_ACTION object.
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static inline int getMenuId( const TOOL_ACTION& aAction )
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{
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return aAction.GetId() + ACTION_ID;
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}
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private:
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// Empty stubs used by the default constructor
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static OPT_TOOL_EVENT menuHandlerStub(const wxMenuEvent& );
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static void updateHandlerStub();
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/**
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* Function appendCopy
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* Appends a copy of wxMenuItem.
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*/
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wxMenuItem* appendCopy( const wxMenuItem* aSource );
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///> Common part of copy constructor and assignment operator.
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void copyFrom( const CONTEXT_MENU& aMenu );
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///> Initializes handlers for events.
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void setupEvents();
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///> The default menu event handler.
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void onMenuEvent( wxMenuEvent& aEvent );
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///> Updates hot key settings for TOOL_ACTIONs in this menu.
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void updateHotKeys();
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///> Traverses the submenus tree looking for a submenu capable of handling a particular menu
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///> event. In case it is handled, it is returned the aToolEvent parameter.
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void runEventHandlers( const wxMenuEvent& aMenuEvent, OPT_TOOL_EVENT& aToolEvent );
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///> Runs a function on the menu and all its submenus.
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void runOnSubmenus( boost::function<void(CONTEXT_MENU*)> aFunction );
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///> Flag indicating that the menu title was set up.
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bool m_titleSet;
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///> Stores the id number of selected item.
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int m_selected;
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///> Creator of the menu
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TOOL_INTERACTIVE* m_tool;
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///> Menu items with ID higher than that are considered TOOL_ACTIONs
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static const int ACTION_ID = 30000;
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///> Associates tool actions with menu item IDs. Non-owning.
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std::map<int, const TOOL_ACTION*> m_toolActions;
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///> List of submenus.
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std::list<CONTEXT_MENU*> m_submenus;
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///> Parent CONTEXT_MENU.
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CONTEXT_MENU* m_parent;
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///> Optional icon
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const BITMAP_OPAQUE* m_icon;
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///> Optional callback to translate wxMenuEvents to TOOL_EVENTs.
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MENU_HANDLER m_menu_handler;
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///> Optional callback to update the menu state before it is displayed.
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UPDATE_HANDLER m_update_handler;
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friend class TOOL_INTERACTIVE;
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};
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#endif
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