/*
 *  This file is part of RawTherapee.
 *
 *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
 *
 *  RawTherapee 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  RawTherapee 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 RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef _DIAGONALCURVEEDITORSUBGROUP_
#define _DIAGONALCURVEEDITORSUBGROUP_

#include <gtkmm.h>
#include "curveeditorgroup.h"

class DiagonalCurveEditor;

class DiagonalCurveEditorSubGroup : public CurveEditorSubGroup, public SHCListener, public AdjusterListener
{

    friend class DiagonalCurveEditor;

protected:
    Gtk::VBox* customCurveBox;
    Gtk::VBox* NURBSCurveBox;
    Gtk::VBox* paramCurveBox;

    MyDiagonalCurve* customCurve;
    MyDiagonalCurve* NURBSCurve;
    MyDiagonalCurve* paramCurve;

    SHCSelector* shcSelector;
    Adjuster* highlights;
    Adjuster* lights;
    Adjuster* darks;
    Adjuster* shadows;

    Adjuster *editedAdjuster;
    int editedAdjusterValue;

    CoordinateAdjuster *customCoordAdjuster;
    CoordinateAdjuster *NURBSCoordAdjuster;

    Gtk::Button*       saveCustom;
    Gtk::Button*       loadCustom;
    Gtk::Button*       copyCustom;
    Gtk::Button*       pasteCustom;
    Gtk::ToggleButton* editPointCustom;
    Gtk::ToggleButton* editCustom;
    sigc::connection   editCustomConn, editPointCustomConn;
    Gtk::Button*       saveNURBS;
    Gtk::Button*       loadNURBS;
    Gtk::Button*       copyNURBS;
    Gtk::Button*       pasteNURBS;
    Gtk::ToggleButton* editPointNURBS;
    Gtk::ToggleButton* editNURBS;
    sigc::connection   editNURBSConn, editPointNURBSConn;
    Gtk::Button*       saveParam;
    Gtk::Button*       loadParam;
    Gtk::Button*       copyParam;
    Gtk::Button*       pasteParam;
    Gtk::ToggleButton* editParam;
    sigc::connection   editParamConn;

    int activeParamControl;

public:
    DiagonalCurveEditorSubGroup(CurveEditorGroup* prt, Glib::ustring& curveDir);
    virtual ~DiagonalCurveEditorSubGroup();

    DiagonalCurveEditor* addCurve(Glib::ustring curveLabel = "");
    virtual void updateBackgroundHistogram (CurveEditor* ce);
    void switchGUI();
    void refresh(CurveEditor *curveToRefresh);
    void editModeSwitchedOff ();
    void pipetteMouseOver(EditDataProvider *provider, int modifierKey);
    void pipetteButton1Pressed(EditDataProvider *provider, int modifierKey);
    void pipetteButton1Released(EditDataProvider *provider);
    void pipetteDrag(EditDataProvider *provider, int modifierKey);
    void showCoordinateAdjuster(CoordinateProvider *provider);
    void stopNumericalAdjustment();

    bool curveReset (CurveEditor *ce);

protected:
    void storeCurveValues (CurveEditor* ce, const std::vector<double>& p);
    void storeDisplayedCurve ();
    void restoreDisplayedHistogram ();
    void savePressed ();
    void loadPressed ();
    void copyPressed ();
    void pastePressed ();
    void editPointToggled(Gtk::ToggleButton *button);
    void editToggled (Gtk::ToggleButton *button);
    void removeEditor ();
    const std::vector<double> getCurveFromGUI (int type);
    void shcChanged ();
    void adjusterChanged (Adjuster* a, double newval);
    bool adjusterEntered (GdkEventCrossing* ev, int ac);
    bool adjusterLeft (GdkEventCrossing* ev, int ac);
    void setSubGroupRangeLabels(Glib::ustring r1, Glib::ustring r2, Glib::ustring r3, Glib::ustring r4);
    void setSubGroupBottomBarBgGradient();
};

#endif