tools_holder.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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_HOLDER_H
#define TOOL_HOLDER_H
 
#include <vector>
#include <view/view_controls.h>
#include <tool/selection.h>
 
struct ACTION_CONDITIONS;
 
class ACTIONS;
class TOOL_ACTION;
class TOOL_DISPATCHER;
class TOOL_EVENT;
class TOOL_MANAGER;
 
/*
 * A mix-in class which allows its owner to hold a set of tools from the tool framework.
 *
 * This is just the framework; the owner is responsible for registering individual tools,
 * creating the dispatcher, etc.
 */
class TOOLS_HOLDER
{
public:
 TOOLS_HOLDER();
 
 virtual ~TOOLS_HOLDER() { }
 
 TOOL_MANAGER* GetToolManager() const { return m_toolManager; }
 
 virtual void RegisterUIUpdateHandler( const TOOL_ACTION& aAction,
 const ACTION_CONDITIONS& aConditions );
 
 virtual void RegisterUIUpdateHandler( int aID, const ACTION_CONDITIONS& aConditions )
 {}
 
 virtual void UnregisterUIUpdateHandler( const TOOL_ACTION& aAction );
 
 virtual void UnregisterUIUpdateHandler( int aID )
 {}
 
 virtual SELECTION& GetCurrentSelection()
 {
 return m_dummySelection;
 }
 
 virtual void PushTool( const TOOL_EVENT& aEvent );
 
 virtual void PopTool( const TOOL_EVENT& aEvent );
 
 bool ToolStackIsEmpty() { return m_toolStack.empty(); }
 
 std::string CurrentToolName() const;
 bool IsCurrentTool( const TOOL_ACTION& aAction ) const;
 
 virtual void DisplayToolMsg( const wxString& msg ) {};
 
 virtual void ShowChangedLanguage();
 
 bool GetDoImmediateActions() const { return m_immediateActions; }
 
 MOUSE_DRAG_ACTION GetDragAction() const { return m_dragAction; }
 
 bool GetMoveWarpsCursor() const { return m_moveWarpsCursor; }
 
 virtual void CommonSettingsChanged( bool aEnvVarsChanged, bool aTextVarsChanged );
 
 virtual wxWindow* GetToolCanvas() const = 0;
 virtual void RefreshCanvas() { }
 
 virtual wxString ConfigBaseName() { return wxEmptyString; }
 
protected:
 TOOL_MANAGER* m_toolManager;
 ACTIONS* m_actions;
 TOOL_DISPATCHER* m_toolDispatcher;
 
 SELECTION m_dummySelection; // Empty dummy selection
 
 std::vector<std::string> m_toolStack; // Stack of user-level "tools". This is NOT a
 // stack of TOOL instances, because somewhat
 // confusingly most TOOLs implement more than one
 // user-level tool. A user-level tool actually
 // equates to an ACTION handler, so this stack
 // stores ACTION names.
 
 bool m_immediateActions; // Preference for immediate actions. If false,
 // the first invocation of a hotkey will just
 // select the relevant tool rather than executing
 // the tool's action.
 MOUSE_DRAG_ACTION m_dragAction; // DRAG_ANY/DRAG_SELECTED/SELECT.
 
 bool m_moveWarpsCursor; // cursor is warped to move/drag origin
};
 
#endif // TOOL_HOLDER_H