//------------------------------------------------------------------------------
// gso_Button class	      																	--
// (C) Piero Giubilato 2008-2010, Berkeley Lab										   --
//------------------------------------------------------------------------------

//______________________________________________________________________________
// {Trace}
// [File name] "gso_Button.h"
// [Author] "Piero Giubilato"
// [Version] "1.1"
// [Modified by] "Piero Giubilato"
// [Last revision] "12 Mar 2009"
// [Language] "C++"
// [Compiler] "Visual C++ 9.x"
// [Member of] "Cool SEAL"
// [Project] "SEAL"
// [Description] "Header for the gso_Button class"
// [Key documentation]
// "Visual C++ Reference Help"
// "Root reference guide"
// {Trace}
//______________________________________________________________________________

// Overloading check
#if !defined gso_Button_H
#define gso_Button_H

// Root components
#include <Rtypes.h>
#include <GuiTypes.h>
//#include <TGFrame.h>
#include <TGWidget.h>
#include <TGFont.h>

// Application components
#include "gso_Frame.h"

// Palette object
class gso_Button: public gso_Frame
{
	private:
		
		// Button root components
		//TGHotString* btn_Label;			// The text label on the button
		TGHotString* btn_Label;			// The text label on the button
		TGTextLayout* label_Layout;	// The text layout
		static const TGFont*	font_Default;	// The deafult font handle
		FontStruct_t font_Struct;		// The font description
		GContext_t	norm_gc_Hnd;		// The graphic contect used to write text into the frame
		Pixmap_t		frame_PxMap[5];	// The different status pixmaps
		
		// Status
		UInt_t btn_Mode;				// Standard/Toggle/Led
		bool btn_Down;					// Button down
		bool btn_Inside;				// Inside the button
				
		// Colors
		UInt_t	btn_textColor;		// Text color
		UInt_t	btn_foreColor;		// Fore color
		UInt_t	btn_backColor;		// Back color
		
		// Button appearance parameters
		Float_t	btn_Radius;			// Bevel radius
		Float_t	btn_Flatness;		// Elevation factor
		Float_t	btn_Depressed;		// Pressed factor
		UInt_t	btn_Overlap;		// Overlap with the ventual bevel
		
		// LED appearance parameters
		Float_t	led_Flatness;		// Elevation factor
		
		// Label properties
		TString label_Text;
		UInt_t label_Width;
		UInt_t label_Height;
		UInt_t label_WrapLength;
		
		// Drawing
		void Init();					// Common initialization sub
		void Draw();					// Creates the button pxMaps
		void draw_Push(UChar_t** chr_Map);	// Button shaping
		void draw_Latch(UChar_t** chr_Map);	// Latch shaping
		void draw_Led(UChar_t** chr_Map);	// Led shaping
		void Layout();					// Layout the text label
		
	protected:
		void DoRedraw();				// Put the palette image on screen	

	public:
		
		// Modes
		enum km {km_Button, km_Latch, km_Led};
		enum ks {ks_Up, ks_Down};

		// Default methods
		gso_Button(const TGWindow* window, const char* text = 0, UInt_t width = 1, UInt_t height = 1, 
					UInt_t mode = 0, UInt_t textColor = 0, UInt_t foreColor = 0x777777, UInt_t backColor = 0,
					Float_t bvlRadius = 12, Float_t bvlFlatness = 0.8);
		~gso_Button();
		
		// Events
		void Event(Event_t* evn);	

		// gso_Frame overloaded
		void MoveResize(Int_t left, Int_t top, UInt_t width, UInt_t height);
		void Resize(UInt_t width, UInt_t height);
		void Resize(TGDimension size) {Resize(size.fWidth, size.fHeight);};
		void SetColor(Pixel_t color);
		void SetColor(Pixel_t fore, Pixel_t back);
		void SetBackgroundColor(Pixel_t color);
		
		// Button mode and status
		UInt_t Mode() const;
		void Mode(UInt_t mode);
		UInt_t Status() const;
		void Status(UInt_t status);

		// Label
		void SetText(const char* text);
		void SetText(const TString &label);
		void SetText(TGHotString *label);
		void SetFont(const char *fontName, Bool_t global);
		void SetFont(FontStruct_t font, Bool_t global);
		void SetTextColor(Pixel_t color);
		void SetWrapLength(Int_t wl) {label_WrapLength = wl; Layout();}
		Int_t GetWrapLength() const {return label_WrapLength; }
		
		// Signals (Mind that here the comment is vital!)
		virtual void Pressed()  {Emit("Pressed()");}   // *SIGNAL*
		virtual void Released() {Emit("Released()");}  // *SIGNAL*
		virtual void Clicked()  {Emit("Clicked()");}   // *SIGNAL*

	// Cint preprocessor token
	ClassDef(gso_Button, 1)
};

// End of Overloading check 
#endif