// File: fbuttongroup.h
// Provides: class FButtonGroup
//
//  Inheritance diagram
//  ═══════════════════
//
// ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏
// ▕ FObject ▏ ▕  FTerm  ▏
// ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏
//      ▲           ▲
//      │           │
//      └─────┬─────┘
//            │
//       ▕▔▔▔▔▔▔▔▔▏
//       ▕ FVTerm ▏
//       ▕▁▁▁▁▁▁▁▁▏
//            ▲
//            │
//       ▕▔▔▔▔▔▔▔▔▔▏
//       ▕ FWidget ▏
//       ▕▁▁▁▁▁▁▁▁▁▏
//            ▲
//            │
//     ▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
//     ▕ FButtonGroup ▏
//     ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏

#ifndef FBUTTONGROUP_H
#define FBUTTONGROUP_H

#include "final/fscrollview.h"


// class forward declaration
class FToggleButton;

//----------------------------------------------------------------------
// class FButtonGroup
//----------------------------------------------------------------------

#pragma pack(push)
#pragma pack(1)

class FButtonGroup : public FScrollView
{
  public:
    // Constructors
    explicit FButtonGroup (FWidget* = 0);
    FButtonGroup (const FString&, FWidget* = 0);

    // Destructor
    virtual ~FButtonGroup();

    // Accessor
    const char*    getClassName() const;
    FToggleButton* getFirstButton();
    FToggleButton* getLastButton();
    FToggleButton* getButton (int) const;
    uInt           getCount() const;
    FString&       getText();

    // Mutator
    bool           setEnable(bool);
    bool           setEnable();
    bool           unsetEnable();
    bool           setDisable();
    void           setText (const FString&);

    // Inquiries
    bool           isChecked(int) const;
    bool           hasFocusedButton() const;
    bool           hasCheckedButton() const;

    // Methods
    void           hide();
    void           insert (FToggleButton*);
    void           remove (FToggleButton*);
    void           checkScrollSize (FToggleButton*);
    void           checkScrollSize (const FRect&);

    // Event handlers
    void           onMouseDown (FMouseEvent*);
    void           onAccel (FAccelEvent*);
    void           onFocusIn (FFocusEvent*);

    // Callback method
    void           cb_buttonToggled (FWidget*, data_ptr);

  protected:
    // Accessor
    uChar          getHotkey();

    // Mutator
    void           setHotkeyAccelerator();

    // Methods
    virtual void   draw();
    void           drawLabel();

  private:
    // Disable copy constructor
    FButtonGroup (const FButtonGroup&);

    // Disable assignment operator (=)
    FButtonGroup& operator = (const FButtonGroup&);

    // Inquiries
    bool           isRadioButton (FToggleButton*) const;

    // Methods
    void           init();
    void           directFocus();

    // Data Members
    FString        text;
    FObjectList    buttonlist;
};
#pragma pack(pop)


// FButtonGroup inline functions
//----------------------------------------------------------------------
inline const char* FButtonGroup::getClassName() const
{ return "FButtonGroup"; }

//----------------------------------------------------------------------
inline bool FButtonGroup::setEnable()
{ return setEnable(true); }

//----------------------------------------------------------------------
inline bool FButtonGroup::unsetEnable()
{ return setEnable(false); }

//----------------------------------------------------------------------
inline bool FButtonGroup::setDisable()
{ return setEnable(false); }

//----------------------------------------------------------------------
inline uInt FButtonGroup::getCount() const
{ return uInt(buttonlist.size()); }

//----------------------------------------------------------------------
inline FString& FButtonGroup::getText()
{ return text; }

#endif  // FBUTTONGROUP_H