/usr/include/root/TGLabel.h is in libroot-gui-dev 5.34.14-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Fons Rademakers 06/01/98
/*************************************************************************
* Copyright (C) 1995-2000, 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_TGLabel
#define ROOT_TGLabel
//////////////////////////////////////////////////////////////////////////
// //
// TGLabel //
// //
// This class handles GUI labels. //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TGFrame
#include "TGFrame.h"
#endif
#ifndef ROOT_TGDimension
#include "TGDimension.h"
#endif
#ifndef ROOT_TGString
#include "TGString.h"
#endif
class TColor;
class TGTextLayout;
class TGFont;
class TGLabel : public TGFrame {
protected:
TGString *fText; // label text
UInt_t fTWidth; // text width
UInt_t fTHeight; // text height
Int_t fMLeft; // margin left
Int_t fMRight; // margin right
Int_t fMTop; // margin top
Int_t fMBottom; // margin bottom
Int_t fTMode; // text alignment
Int_t f3DStyle; // 3D style (0 - normal, kRaisedFrame - raised, kSunkenFrame - sunken)
Int_t fWrapLength; // wrap length
Int_t fTFlags; // text flags (see TGFont.h ETextLayoutFlags)
Bool_t fTextChanged; // has text changed
GContext_t fNormGC; // graphics context used for drawing label
TGFont *fFont; // font to draw label
TGTextLayout *fTLayout; // text layout
Bool_t fHasOwnFont; // kTRUE - font defined locally, kFALSE - globally
Bool_t fDisabled; // if kTRUE label looks disabled (shaded text)
virtual void DoRedraw();
virtual void DrawText(GContext_t gc, Int_t x, Int_t y);
static const TGFont *fgDefaultFont;
static const TGGC *fgDefaultGC;
private:
TGLabel(const TGLabel&); // not implemented
TGLabel& operator=(const TGLabel&); // not implemented
public:
static FontStruct_t GetDefaultFontStruct();
static const TGGC &GetDefaultGC();
TGLabel(const TGWindow *p, TGString *text,
GContext_t norm = GetDefaultGC()(),
FontStruct_t font = GetDefaultFontStruct(),
UInt_t options = kChildFrame,
Pixel_t back = GetDefaultFrameBackground());
TGLabel(const TGWindow *p = 0, const char *text = 0,
GContext_t norm = GetDefaultGC()(),
FontStruct_t font = GetDefaultFontStruct(),
UInt_t options = kChildFrame,
Pixel_t back = GetDefaultFrameBackground());
virtual ~TGLabel();
virtual TGDimension GetDefaultSize() const;
const TGString *GetText() const { return fText; }
virtual const char *GetTitle() const { return fText->Data(); }
virtual void SetText(TGString *newText);
void SetText(const char *newText) { SetText(new TGString(newText)); }
virtual void ChangeText(const char *newText) { SetText(newText); } //*MENU*icon=bld_rename.png*
virtual void SetTitle(const char *label) { SetText(label); }
void SetText(Int_t number) { SetText(new TGString(number)); }
void SetTextJustify(Int_t tmode);
Int_t GetTextJustify() const { return fTMode; }
virtual void SetTextFont(TGFont *font, Bool_t global = kFALSE);
virtual void SetTextFont(FontStruct_t font, Bool_t global = kFALSE);
virtual void SetTextFont(const char *fontName, Bool_t global = kFALSE);
virtual void SetTextColor(Pixel_t color, Bool_t global = kFALSE);
virtual void SetTextColor(TColor *color, Bool_t global = kFALSE);
virtual void SetForegroundColor(Pixel_t fore) { SetTextColor(fore); }
virtual void Disable(Bool_t on = kTRUE)
{ fDisabled = on; fClient->NeedRedraw(this); } //*TOGGLE* *GETTER=IsDisabled
virtual void Enable() { fDisabled = kFALSE; fClient->NeedRedraw(this); }
Bool_t IsDisabled() const { return fDisabled; }
Bool_t HasOwnFont() const;
void SetWrapLength(Int_t wl) { fWrapLength = wl; Layout(); }
Int_t GetWrapLength() const { return fWrapLength; }
void Set3DStyle(Int_t style) { f3DStyle = style; fClient->NeedRedraw(this); }
Int_t Get3DStyle() const { return f3DStyle; }
void SetMargins(Int_t left=0, Int_t right=0, Int_t top=0, Int_t bottom=0)
{ fMLeft = left; fMRight = right; fMTop = top; fMBottom = bottom; }
Int_t GetLeftMargin() const { return fMLeft; }
Int_t GetRightMargin() const { return fMRight; }
Int_t GetTopMargin() const { return fMTop; }
Int_t GetBottomMargin() const { return fMBottom; }
GContext_t GetNormGC() const { return fNormGC; }
FontStruct_t GetFontStruct() const { return fFont->GetFontStruct(); }
TGFont *GetFont() const { return fFont; }
virtual void Layout();
virtual void SavePrimitive(ostream &out, Option_t *option = "");
ClassDef(TGLabel,0) // A label GUI element
};
#endif
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