sch_navigate_tool.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019 CERN
 * Copyright The 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, see <https://www.gnu.org/licenses/>.
 */
 
 
#ifndef SCH_NAVIGATE_TOOL_H
#define SCH_NAVIGATE_TOOL_H
 
#include <sch_base_frame.h>
#include <tools/sch_tool_base.h>
#include <status_popup.h>
 
class SCH_EDIT_FRAME;

class SCH_NAVIGATE_TOOL : public wxEvtHandler, public SCH_TOOL_BASE<SCH_EDIT_FRAME>
{
public:
    SCH_NAVIGATE_TOOL() : SCH_TOOL_BASE<SCH_EDIT_FRAME>( "eeschema.NavigateTool" ) {}
 
    ~SCH_NAVIGATE_TOOL() { }

    void ResetHistory();
    // hierarchy changes.
    void CleanHistory();

    int ChangeSheet( const TOOL_EVENT& aEvent );
    int EnterSheet( const TOOL_EVENT& aEvent );
    int LeaveSheet( const TOOL_EVENT& aEvent );
    int Up( const TOOL_EVENT& aEvent );
    int Forward( const TOOL_EVENT& aEvent );
    int Back( const TOOL_EVENT& aEvent );
    int Previous( const TOOL_EVENT& aEvent );
    int Next( const TOOL_EVENT& aEvent );
 
    void HypertextCommand( const wxString& aHref );
 
    bool CanGoBack();
    bool CanGoForward();
    bool CanGoUp();
    bool CanGoPrevious();
    bool CanGoNext();
 
public:
    static wxString g_BackLink;
 
private:
    void setTransitions() override;
    void pushToHistory( const SCH_SHEET_PATH& aPath );
    void changeSheet( const SCH_SHEET_PATH& aPath );
 
private:
    std::list<SCH_SHEET_PATH>           m_navHistory;
    std::list<SCH_SHEET_PATH>::iterator m_navIndex;
};
 
 
#endif // SCH_NAVIGATE_TOOL_H