//------------------------------------------------------------------------------
// gui combo boxes control class											               --
// (C) Piero Giubilato, Devis Contarato 2008-2010, Berkeley Lab			      --
//------------------------------------------------------------------------------

//______________________________________________________________________________
// {Trace}
// [File name] "gui_Combo.cpp"
// [Author] "Devis Contarato, Piero Giubilato"
// [Version] "0.6"
// [Modified by] "Devis Contarato"
// [Last revision] "11 Feb 2009"
// [Language] "C++"
// [Compiler] "Visual C++ 8.x 9.x"
// [Member of] "Cool SEAL"
// [Project] "SEAL"
// [Description] "Source for the gui_Combo class"
// [Key documentation]
// "Visual C++ Reference Help"
// "Root reference guide"
// {Trace}
//______________________________________________________________________________

// Standard component

// Root Component
#include <TSystem.h>

// Application component
#include "global.h"
#include "gui_Combo.h"

// CINT Preprocessor class import definition
ClassImp(gui_Combo)

//______________________________________________________________________________
gui_Combo::gui_Combo(Int_t box_Id, UInt_t left, UInt_t top, UInt_t width, UInt_t height)
{
	// Default constructor. gui_Combo provides an interface layer that
	// integrates a root TGComboBox plus all the code necesary to implement
	// events management.
	//
	// 'box_Id' is the combo box ID number
	// 'left', 'top', 'width', 'height' set the position and size of the widget
	// 'evn_Hnd' is a function pointer pointing to the callback function
	// provided to handle the event (must be a void f(void)).
	
	// Debug
	dbg_Print("gui_Combo::gui_Combo:()", DBG_LVL_ZERO);

	// Sets up the widget
	Init(box_Id, left, top, width, height);
}

//______________________________________________________________________________
gui_Combo::~gui_Combo()
{
	// Default destructor.
	dbg_Print("gui_Combo::gui_Combo:()", DBG_LVL_ZERO);

	// Removes the root object from the root graphical server
	Container()->RemoveFrame(combo);
	combo->DestroyWindow();
	
	// Deletes the root object
	delete combo;
}

//______________________________________________________________________________
void gui_Combo::Init(Int_t box_Id, UInt_t left, UInt_t top, UInt_t width, UInt_t height)
{
   // Creates a layer over a root combo box control
   dbg_Print("gui_Combo::Init:(default)", DBG_LVL_MAKE);
	
   // Initializes the root widget
   combo = new TGComboBox(Container(), box_Id);

	// Connects it to the widget handler function
   combo->Connect(combo, "Selected(Int_t)", "gui_Combo", this, "cbox_Do(Int_t)");
	
   // Renders the widget into the frame and adds it to the window 
   Container()->AddFrame(combo, new TGLayoutHints(kLHintsNormal, 0, 0, 0, 0));
   MoveResize(left, top, width, height); // Also updates the container
}

//______________________________________________________________________________
void gui_Combo::cbox_Entry(const char* entry, Int_t entry_Id)
{
	// Wrapper for the TGComboBox::AddEntry(const char* s, Int_t id) method
	dbg_Print("gui_Combo::cbox_Entry:()", DBG_LVL_FLOW);

	// Add an entry to the combo box
	combo->AddEntry(entry, entry_Id);

	// Update
	Update();
}

//______________________________________________________________________________
const Int_t gui_Combo::cbox_Val() const
{
   // Returns the id of the selected entry
   return combo->GetSelected(); 
}

//______________________________________________________________________________
void gui_Combo::cbox_Val(Int_t val)
{
   // Sets the id of the selected entry
   combo->Select(val); 
}

//______________________________________________________________________________
void gui_Combo::cbox_Do(const Int_t box_Id)
{
   // This function is called whenever the widget is used, as it has been
   // linked to the associated root TGComboBox when it was instantiated.
	dbg_Print("gui_Combo::cbox_Do:()", DBG_LVL_FLOW)
	
	// Calls the associated handler, if anyone, passing the ID as argument
	gui_Object::task_Call(gui_Object::obj_Id());
}

//______________________________________________________________________________
TGComboBox* gui_Combo::Root() const
{
	// Returns the pointer to the embedded root object
   return combo;
}

//______________________________________________________________________________
void gui_Combo::MoveResize(UInt_t left, UInt_t top, UInt_t width, UInt_t height)
{
   // Moves and resizes the widget
   combo->MoveResize(left, top, width, height);
	
   // Stores the new datas
   obj_Left = left;
   obj_Top = top;
   obj_Width = width;
   obj_Height = height;
	
   // Paint
   Update();
}
//______________________________________________________________________________
void gui_Combo::color_Set(UInt_t foreColor, UInt_t backColor)
{
   // Moves and resizes the button
   combo->SetForegroundColor(foreColor);
   combo->SetBackgroundColor(backColor);

   // Stores the new datas
   obj_foreColor = foreColor;
   obj_backColor = backColor;
   
   // Refresh the graphical container
   Update();
}

//______________________________________________________________________________
void gui_Combo::Text(const char* text)
{
   // Sets the button caption
   // At the monent, no text displayed into combo
	//combo->SetText(text); 

   // Stores the new data
   obj_Text.Form(text);
}

//______________________________________________________________________________
const TString gui_Combo::Text() const
{
   // Returns the widget text
   return obj_Text;
}

//______________________________________________________________________________
void gui_Combo::fontBold(bool bold)
{
   // Sets the boldness of the widget text (true = bold)
	
	// Retrieves the font structure
	TGFontPool* pool = gClient->GetFontPool();
	Int_t kFontWeight = (bold == true) ? kFontWeightBold : kFontWeightNormal;
	TGFont* font = pool->GetFont("helvetica", -12, kFontWeight, kFontSlantRoman);
	FontStruct_t ft = font->GetFontStruct();
	
	// No font bold at the moment for combo
	// Sets the font into the button
	//combo->SetFont(ft, false); 
   
   // Stores the new data
   obj_fontBold = bold;

	// Refresh the graphical container
   Update();
}

//______________________________________________________________________________
bool gui_Combo::fontBold() const
{
   // Returns the boldness of the button text
   return obj_fontBold;
}