library: libGui #include "TGColorDialog.h"

# TGColorPalette

class description - source file - inheritance tree (.pdf)

## class TGColorPalette : public TGFrame, public TGWidget

| Inheritance Chart:

`TObject`

<-

`TGObject`

<-

`TGWindow`

`TQObject`

<-

`TGFrame`

`TGWidget`

<-

`TGColorPalette`

        protected:

          virtual void DoRedraw()
                  void DrawFocusHilite(Int_t onoff)
          virtual void GotFocus()
          virtual void LostFocus()

        public:

                              TGColorPalette(const TGWindow* p = 0, Int_t cols = 8, Int_t rows = 8, Int_t id = -1)
                              TGColorPalette(const TGColorPalette&)
                      virtual ~TGColorPalette()
               static TClass* Class()
                 virtual void ColorSelected(Pixel_t col = 0)
                      Pixel_t GetColorByIndex(Int_t ix) const
                      Pixel_t GetCurrentColor() const
          virtual TGDimension GetDefaultSize() const
               virtual Bool_t HandleButton(Event_t* event)
               virtual Bool_t HandleKey(Event_t* event)
               virtual Bool_t HandleMotion(Event_t* event)
              virtual TClass* IsA() const
                         void SetCellSize(Int_t w = 20, Int_t h = 17)
                         void SetColor(Int_t ix, Pixel_t color)
                         void SetColors(Pixel_t* colors)
                         void SetCurrentCellColor(Pixel_t color)
                 virtual void ShowMembers(TMemberInspector& insp, char* parent)
                 virtual void Streamer(TBuffer& b)
                         void StreamerNVirtual(TBuffer& b)

### Data Members

        protected:

             Int_t fCx      x coordinate of currently selected color cell
             Int_t fCy      y coordinate of currently selected color cell
            UInt_t fCw      color cell width
            UInt_t fCh      color cell height
             Int_t fRows    number of color cell rows
             Int_t fCols    number of color cell columns
          Pixel_t* fPixels  pixel value of colors
              TGGC fDrawGC  graphics context used for drawing

## Class Description

     TGColorPalette, TGColorPick and TGColorDialog.

     The TGColorPalette is a widget showing an matrix of color cells. The
     colors can be set and selected.

     The TGColorPick is a widget which allows a color to be picked from
     HLS space. It consists of two elements: a color map window from
     where the user can select the hue and saturation level of a color,
     and a slider to select color's lightness.

     Selecting a color in these two widgets will generate the event:
     kC_COLORSEL, kCOL_CLICK, widget id, 0.
     and the signal:
     ColorSelected(Pixel_t color)

     The TGColorDialog presents a full featured color selection dialog.
     It uses 2 TGColorPalette's and the TGColorPick widgets.

TGColorPalette(const TGWindow *p, Int_t cols, Int_t rows, Int_t id) : TGFrame(p, 10, 10, kChildFrame)

     TGColorPalette widget: this is just a grid of color cells of the
     specified size. Colors can be selected by clicking on them or by
     using the arrow keys.

~TGColorPalette()

Bool_t HandleButton(Event_t *event)

Bool_t HandleMotion(Event_t *event)

Bool_t HandleKey(Event_t *event)

void SetColors(ULong_t colors[])

void SetColor(Int_t ix, ULong_t color)

void SetCurrentCellColor(ULong_t color)

void SetCellSize(Int_t w, Int_t h)

ULong_t GetCurrentColor() const

void DoRedraw()

void GotFocus()

void LostFocus()

void DrawFocusHilite(Int_t onoff)

### Inline Functions

               TGDimension GetDefaultSize() const
                   Pixel_t GetColorByIndex(Int_t ix) const
                      void ColorSelected(Pixel_t col = 0)
                   TClass* Class()
                   TClass* IsA() const
                      void ShowMembers(TMemberInspector& insp, char* parent)
                      void Streamer(TBuffer& b)
                      void StreamerNVirtual(TBuffer& b)
            TGColorPalette TGColorPalette(const TGColorPalette&)

Author: Bertrand Bellenot + Fons Rademakers 22/08/02
Last update: root/gui:$Name: $:$Id: TGColorDialog.cxx,v 1.16 2005/01/18 21:07:26 brun Exp $
Copyright (C) 1995-2002, Rene Brun and Fons Rademakers. *