kicad/include/view/wx_view_controls.h

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2012 Torsten Hueter, torstenhtr <at> gmx.de
 * Copyright (C) 2013 CERN
 * @author Tomasz Wlostowski <tomasz.wlostowski@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
 */

/**
 * @file wx_view_controls.h
 * @brief WX_VIEW_CONTROLS class definition.
 */

#ifndef __WX_VIEW_CONTROLS_H
#define __WX_VIEW_CONTROLS_H

#include <wx/wx.h>
#include <wx/event.h>

#include <view/view_controls.h>

class EDA_DRAW_PANEL_GAL;

namespace KiGfx
{
/**
 * Class WX_VIEW_CONTROLS
 * is a specific implementation of class VIEW_CONTROLS for wxWidgets library.
 */
class WX_VIEW_CONTROLS : public VIEW_CONTROLS, public wxEvtHandler
{
public:

    WX_VIEW_CONTROLS( VIEW* aView, wxWindow* aParentPanel );
    ~WX_VIEW_CONTROLS() {};

    void    onWheel( wxMouseEvent& event );
    void    onMotion( wxMouseEvent& event );
    void    onButton( wxMouseEvent& event );
    void    onEnter( wxMouseEvent& event );

private:

    /// Options for WX_VIEW_CONTROLS
    bool        m_isDragPanning;
    bool        m_isAutoPanning;
    bool        m_autoPanEnabled;
    bool        m_needRedraw;

    /// Distance from cursor to VIEW edge when panning is active.
    double      m_autoPanMargin;
    /// How fast is panning when in auto mode.
    double      m_autoPanSpeed;
    /// TODO
    double      m_autoPanCornerRatio;

    /// Panel that is affected by VIEW_CONTROLS
    wxWindow*   m_parentPanel;

    /// Stores information about point where event started.
    VECTOR2D    m_dragStartPoint;
    VECTOR2D    m_lookStartPoint;

    /// Used for determining time intervals between events.
    wxLongLong  m_timeStamp;
};
} // namespace KiGfx

#endif