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// @(#)root/gui:$Id$
// Author: Bertrand Bellenot + Fons Rademakers   23/04/03

/*************************************************************************
 * Copyright (C) 1995-2004, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#ifndef ROOT_TGFontDialog
#define ROOT_TGFontDialog


//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TGFontDialog.                                                        //
//                                                                      //
// The TGFontDialog allows easy font and font attribute selection.      //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#ifndef ROOT_TGFrame
#include "TGFrame.h"
#endif



class TGButton;
class TGLabel;
class TGListBox;
class TGComboBox;
class TGColorSelect;
class TGFont;


class TGFontDialog : public TGTransientFrame {

public:
   struct FontProp_t {
      TString     fName;               // font name
      Int_t       fSize;               // font size
      UInt_t      fAlign;              // text alignment
      Pixel_t     fColor;              // text color
      Bool_t      fBold;               // bold flag
      Bool_t      fItalic;             // italic flag
   };

protected:
   TGListBox           *fFontNames;    // list of font names
   TGListBox           *fFontSizes;    // list of font sizes
   TGListBox           *fFontStyles;   // list of font styles
   TGComboBox          *fTextAligns;   // font alignment selection
   TGLabel             *fSample;       // sample of selected font
   TGColorSelect       *fColorSelect;  // color selection dialog
   TString              fName;         // font name
   TString              fLName;        // logical font name
   FontProp_t          *fFontProp;     // font info structure
   Bool_t               fItalic;       // italic flag
   Bool_t               fBold;         // bold flag
   Int_t                fSize;         // font size
   Int_t                fTextAlign;    // text aligment
   Pixel_t              fTextColor;    // text color
   Pixel_t              fInitColor;    // initial value of text color
   Int_t                fInitAlign;    // initialvalue of  text align
   TGFont              *fInitFont;     // initial font
   TString              fSampleText;   // string used for sample
   TGGC                *fSampleTextGC; // GC used for sample text
   TGFont              *fLabelFont;    // TGFont used for sample text
   Bool_t               fHitOK;        // flag = kTRUE if user press the Ok button
   Int_t                fNumberOfFonts;// total numbder of fonts
   Bool_t               fWaitFor;      // if kTRUE WaitForUnmap is called in constructor.

   Bool_t               Build(char **fontList, Int_t cnt);
   void                 GetFontName();
   virtual void         CloseWindow();
   virtual Bool_t       ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2);

public:
   TGFontDialog(const TGWindow *parent = 0, const TGWindow *t = 0,
                FontProp_t *fontProp = 0, const TString &sample = "",
                char **fontList = 0, Bool_t wait = kTRUE);
   virtual ~TGFontDialog();

   virtual void SetFont(TGFont *font);
   virtual void SetColor(Pixel_t color);
   virtual void SetAlign(Int_t align);
   virtual void EnableAlign(Bool_t on = kTRUE);
   virtual void UpdateStyleSize(const char *family);

   virtual void FontSelected(char *font)
            { Emit("FontSelected(char*)", font); }  //*SIGNAL*
   virtual void AlignSelected(Int_t a)
            { Emit("AlignSelected(Int_t)", a); }   //*SIGNAL*
   virtual void ColorSelected(Pixel_t c)
            { Emit("ColorSelected(Pixel_t)", c); }  //*SIGNAL*

   ClassDef(TGFontDialog,0)  // Font selection dialog
};

#endif
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