#ifndef GUITOOLTIP_HEADER
#define GUITOOLTIP_HEADER 1
////////////////////////////////////////////////////////////
//! rcsid="$Id: ToolTips.hh,v 1.4 2000/07/07 12:59:28 ees1cg Exp $"
//! file="amma/GUI/GTK/ToolTips.hh"
//! lib=GUI
//! docentry="GUI.Widget"
//! author="Charles Galambos"
//! date="11/10/99"

#include "amma/GUI/Widget.hh"

extern "C" {
  typedef struct _GtkTooltips	 GtkTooltips;
};

class GUIToolTipsC;


////////////////////////////////////////

//! userlevel=Develop
//: Tool tip set body.

class GUIToolTipsBodyC 
  : public DPEntityBodyC 
{
public:
  GUIToolTipsBodyC();
  //: Constructor.
    
  void Enable();
  //: Enable tool tips.
  // Thread safe.
  
  void Disable();
  //: Disable tool tips.
  // Thread safe.

  void GUIEnable();
  //: Enable tool tips.
  // GUI Thread only.
  
  void GUIDisable();
  //: Disable tool tips.
  // GUI Thread only.

  void SetDelay(RealT secs);
  //: Set tips delay.
  // Thread safe.
  
  void GUISetDelay(RealT secs);
  //: Set tips delay.
  // GUI Thread only.

  void AddToolTip(GUIWidgetC &widge,const char *text,const char *context = 0);
  //: Set tips delay.
  // Thread safe.
  
  void GUIAddToolTip(GUIWidgetC &widge,const char *text,const char *context = 0);
  //: Set tips delay.
  // GUI Thread only.
  
  BooleanT IsEnabled() const
    { return enabled; }
  //: Is this group of tool tips enabled ?
  
protected:
  
  BooleanT Create();
  //: Create the widget.
  
  void Destroy();
  //: Undo all refrences.
  
private:
  BooleanT enabled;
  GtkTooltips *widget;
  RealT delay; 
  friend class GUIToolTipsC;
};

////////////////////////////////////////
//! userlevel=Normal
//: Tool tip set handle.

class GUIToolTipsC 
  : public DPEntityC 
{
public:
  GUIToolTipsC()
    : DPEntityC(true)
    {}
  //: Default constructor.

  GUIToolTipsC(BooleanT bod)
    : DPEntityC(*new GUIToolTipsBodyC())
    {}
  //: Constructor.
  
protected:
  GUIToolTipsC(GUIToolTipsBodyC &bod)
    : DPEntityC(bod)
    {}
  //: Body Constructor.
  
  GUIToolTipsBodyC &Body()
    { return dynamic_cast<GUIToolTipsBodyC &>(DPEntityC::Body ()); }
  //: Access body.

  const GUIToolTipsBodyC &Body() const
    { return dynamic_cast<const GUIToolTipsBodyC &>(DPEntityC::Body()); }
  //: Access body.
  
  void GUIEnable()
    { Body().GUIEnable(); }
  //: Enable tool tips.
  // GUI Thread only.
  
  void GUIDisable()
    { Body().GUIDisable(); }
  //: Disable tool tips.
  // GUI Thread only.
  
  void GUISetDelay(RealT &secs)
    { Body().GUISetDelay(secs); }
  //: Set tips delay.
  
  void GUIAddToolTip(GUIWidgetC &widge,char *&text,char *&context)
    { Body().GUIAddToolTip(widge,text,context); }
  //: Set tips delay.
  // GUI Thread only.
  
public:
  BooleanT Create()
    { return Body().Create(); }
  //: Create the widget.
  
  void Enable()
    { Body().Enable(); }
  //: Enable tool tips.
  // Thread safe.
  
  void Disable()
    { Body().Disable(); }
  //: Disable tool tips.
  // Thread safe.
  
  void SetDelay(RealT &secs)
    { Body().SetDelay(secs); }
  //: Set tips delay.
  // Thread safe.
  
  void AddToolTip(GUIWidgetC &widge,const char *text,const char *context = 0)
    { Body().AddToolTip(widge,text,context); }
  //: Set tips delay.
  // Thread safe.

  void ShowToolTips(BooleanT &state) 
    { 
      if(state)
	Enable();
      else
	Disable();
    }
  //: Show tool tips ?
  // TRUE= yes.
  
  BooleanT IsEnabled() const 
    { return Body().IsEnabled(); }
  //: Is this group of tool tips enabled ?
  
  friend class GUIToolTipsBodyC;

};

extern GUIToolTipsC guiGlobalToolTips;

#endif