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

#ifndef _FBUTTON_H
#define _FBUTTON_H

#include "fwidget.h"


//----------------------------------------------------------------------
// class FButton
//----------------------------------------------------------------------

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

class FButton : public FWidget
{
 private:
   FString text;
   bool    button_down;
   bool    click_animation;
   int     click_time;
   short   button_fg;
   short   button_bg;
   short   button_hotkey_fg;
   short   button_focus_fg;
   short   button_focus_bg;
   short   button_inactive_fg;
   short   button_inactive_bg;

 private:
   // Disable copy constructor
   FButton (const FButton&);
   // Disable assignment operator (=)
   FButton& operator = (const FButton&);

   void         init();
   uChar        getHotkey();
   void         setHotkeyAccelerator();
   void         detectHotkey();
   void         draw();
   void         updateButtonColor();
   void         processClick();

 public:
   // Constructors
   explicit FButton (FWidget* = 0);
   FButton (const FString&, FWidget* = 0);
   // Destructor
   virtual ~FButton();

   const char*  getClassName() const;
   void         setForegroundColor (short);
   void         setBackgroundColor (short);
   void         setHotkeyForegroundColor (short);
   void         setFocusForegroundColor (short);
   void         setFocusBackgroundColor (short);
   void         setInactiveForegroundColor (short);
   void         setInactiveBackgroundColor (short);
   void         hide();

   // Event handlers
   void         onKeyPress (FKeyEvent*);
   void         onMouseDown (FMouseEvent*);
   void         onMouseUp (FMouseEvent*);
   void         onMouseMove (FMouseEvent*);
   void         onTimer (FTimerEvent*);
   void         onAccel (FAccelEvent*);
   void         onFocusIn (FFocusEvent*);
   void         onFocusOut (FFocusEvent*);

   bool         setNoUnderline(bool);
   bool         setNoUnderline();
   bool         unsetNoUnderline();
   bool         setEnable(bool);
   bool         setEnable();
   bool         unsetEnable();
   bool         setDisable();
   bool         setFocus(bool);
   bool         setFocus();
   bool         unsetFocus();
   bool         setFlat(bool);
   bool         setFlat();
   bool         unsetFlat();
   bool         isFlat() const;
   bool         setShadow(bool);
   bool         setShadow();
   bool         unsetShadow();
   bool         hasShadow() const;
   bool         setDown(bool);
   bool         setDown();
   bool         setUp();
   bool         isDown() const;
   bool         setClickAnimation(bool);
   bool         setClickAnimation();
   bool         unsetClickAnimation();
   bool         hasClickAnimation();

   void         setText (const FString&);
   FString&     getText();
};
#pragma pack(pop)


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

//----------------------------------------------------------------------
inline bool FButton::setNoUnderline()
{ return setNoUnderline(true); }

//----------------------------------------------------------------------
inline bool FButton::unsetNoUnderline()
{ return setNoUnderline(false); }

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

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

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

//----------------------------------------------------------------------
inline bool FButton::setFocus()
{ return setFocus(true); }

//----------------------------------------------------------------------
inline bool FButton::unsetFocus()
{ return setFocus(false); }

//----------------------------------------------------------------------
inline bool FButton::setFlat()
{ return setFlat(true); }

//----------------------------------------------------------------------
inline bool FButton::unsetFlat()
{ return setFlat(false); }

//----------------------------------------------------------------------
inline bool FButton::isFlat() const
{ return ((flags & fc::flat) != 0); }

//----------------------------------------------------------------------
inline bool FButton::setShadow()
{ return setShadow(true); }

//----------------------------------------------------------------------
inline bool FButton::unsetShadow()
{ return setShadow(false); }

//----------------------------------------------------------------------
inline bool FButton::hasShadow() const
{ return ((flags & fc::shadow) != 0); }

//----------------------------------------------------------------------
inline bool FButton::setDown()
{ return setDown(true); }

//----------------------------------------------------------------------
inline bool FButton::setUp()
{ return setDown(false); }

//----------------------------------------------------------------------
inline bool FButton::isDown() const
{ return button_down; }

//----------------------------------------------------------------------
inline bool FButton::setClickAnimation(bool on)
{ return click_animation = on; }

//----------------------------------------------------------------------
inline bool FButton::setClickAnimation()
{ return setClickAnimation(true); }

//----------------------------------------------------------------------
inline bool FButton::unsetClickAnimation()
{ return setClickAnimation(false); }

//----------------------------------------------------------------------
inline bool FButton::hasClickAnimation()
{ return click_animation; }

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

#endif  // _FBUTTON_H