GuiSlider.h

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//
// $Id: GuiSlider.h,v 1.4 2005/07/21 20:26:36 bv Exp $
//
// GuiSlider
//
// Package: MIDAD
//
// Add some extra functionality to TGDoubleSlider
//
// Contact: bv@bnl.gov
//
// Created on: Tue Apr 10 13:56:11 2001
//

#ifndef GUISLIDER_H
#define GUISLIDER_H

#include <Midad/Util/RangeControl.h>
#include <Midad/Gui/GuiBox.h>

#include <TGFrame.h>
#include <TGDoubleSlider.h>

#include <Midad/Util/Signals.h>

class GuiSlider;

class GuiSliderSignals : public GuiBase
{
public:
    GuiSliderSignals(GuiSlider* slider) : fSlider(slider) {}
    virtual ~GuiSliderSignals() {}

    SigC::Signal0<void> position_changed, pressed, released;
protected:
    GuiSlider* fSlider;
};

class GuiVSlider : public TGDoubleVSlider, public GuiSliderSignals
{
public:
    GuiVSlider(TGWindow& parent);
    virtual ~GuiVSlider();

    // override signals
    virtual void PositionChanged();
    virtual void Pressed();
    virtual void Released();

    // Over ride to protect against SIGFPE
    virtual void DoRedraw();
};                              // end of class GuiSlider

class GuiHSlider : public TGDoubleHSlider, public GuiSliderSignals
{
public:
    GuiHSlider(TGWindow& parent);
    virtual ~GuiHSlider();

    // override signals
    virtual void PositionChanged();
    virtual void Pressed();
    virtual void Released();

    // Over ride to protect against SIGFPE
    virtual void DoRedraw();
};                              // end of class GuiSlider

class GuiSlider : public GuiBox
{
public:
    GuiSlider(TGWindow& parent, unsigned int option);
    virtual ~GuiSlider();

    RangeControl<double>& GetRangeCtrl() { return fRangeCtrl; }
    RangeControl<double>& GetExtremaCtrl() { return fExtremaCtrl; }
    void UseRange(Range<double>& r);
    void UseExtrema(Range<double>& e);
    void UseRangeControl(RangeControl<double>& rc);
    void UseExtremaControl(RangeControl<double>& ec);

    GuiSliderSignals& GetSignals() { return *fSignals; }

    // Internal
    void StartCompound();
    void StopCompound();

private:
    void UpdateRange();
    void ApplyRange();

    RangeControl<double> fRangeCtrl, fExtremaCtrl;
    SigC::Connection fSliderCon, fRangeCon, fExtremaCon;
    TGDoubleSlider* fSlider;
    GuiSliderSignals* fSignals;
};

#endif  // GUISLIDER_H

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