/usr/include/root/TGTextView.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 1/7/2000
/*************************************************************************
* 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_TGTextView
#define ROOT_TGTextView
//////////////////////////////////////////////////////////////////////////
// //
// TGTextView //
// //
// A TGTextView is a text viewer widget. It is a specialization of //
// TGView. It uses the TGText class (which contains all text //
// manipulation code, i.e. loading a file in memory, changing, //
// removing lines, etc.). Use a TGTextView to view non-editable text. //
// For supported messages see TGView. //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TGView
#include "TGView.h"
#endif
#ifndef ROOT_TGText
#include "TGText.h"
#endif
class TViewTimer;
class TGTextView : public TGView {
protected:
TGText *fText; // text buffer
TGText *fClipText; // clipboard text buffer
FontStruct_t fFont; // text font
Int_t fMaxAscent; // maximum ascent in font
Int_t fMaxDescent; // maximum descent in font
Int_t fMaxWidth; // maximum width of character in font
TGGC fNormGC; // graphics context for drawing text
TGGC fSelGC; // graphics context for drawing marked text
TGGC fSelbackGC; // graphics context for drawing marked background
Bool_t fMarkedFromX; // true if text is marked from x
Bool_t fMarkedFromY; // true if text is marker from y
Bool_t fIsMarked; // true if text is marked/selected
Bool_t fIsMarking; // true if in marking mode
Bool_t fIsSaved; // true is content is saved
Bool_t fReadOnly; // text cannot be editted
TGLongPosition fMarkedStart; // start position of marked text
TGLongPosition fMarkedEnd; // end position of marked text
TViewTimer *fScrollTimer; // scrollbar timer
Atom_t *fDNDTypeList; // handles DND types
static const TGFont *fgDefaultFont;
static TGGC *fgDefaultGC;
static TGGC *fgDefaultSelectedGC;
static const TGGC *fgDefaultSelectedBackgroundGC;
void Init(Pixel_t bg);
virtual void DrawRegion(Int_t x, Int_t y, UInt_t w, UInt_t h);
virtual void Mark(Long_t xPos, Long_t yPos);
virtual void UnMark();
virtual void Copy(TObject &) const { MayNotUse("Copy(TObject &)"); }
virtual void HLayout();
virtual void VLayout();
static FontStruct_t GetDefaultFontStruct();
static const TGGC &GetDefaultGC();
static const TGGC &GetDefaultSelectedGC();
static const TGGC &GetDefaultSelectedBackgroundGC();
private:
TGTextView(const TGTextView&);
TGTextView& operator=(const TGTextView&);
public:
TGTextView(const TGWindow *parent = 0, UInt_t w = 1, UInt_t h = 1, Int_t id = -1,
UInt_t sboptions = 0, Pixel_t back = GetWhitePixel());
TGTextView(const TGWindow *parent, UInt_t w, UInt_t h, TGText *text,
Int_t id = -1, UInt_t sboptions = 0, Pixel_t back = GetWhitePixel());
TGTextView(const TGWindow *parent, UInt_t w, UInt_t h, const char *string,
Int_t id = -1, UInt_t sboptions = 0, Pixel_t back = GetWhitePixel());
virtual ~TGTextView();
virtual Bool_t IsSaved() { fIsSaved = fText->IsSaved(); return fIsSaved;}
virtual Long_t ToObjXCoord(Long_t xCoord, Long_t line);
virtual Long_t ToObjYCoord(Long_t yCoord);
virtual Long_t ToScrXCoord(Long_t xCoord, Long_t line);
virtual Long_t ToScrYCoord(Long_t yCoord);
virtual void AdjustWidth();
virtual Bool_t LoadFile(const char *fname, long startpos = 0, long length = -1);
virtual Bool_t LoadBuffer(const char *txtbuf);
virtual void Clear(Option_t * = "");
virtual Bool_t Copy();
virtual Bool_t SelectAll();
virtual Bool_t Search(const char *string, Bool_t direction, Bool_t caseSensitive);
virtual void SetFont(FontStruct_t font);
virtual Long_t ReturnHeighestColHeight() { return fText->RowCount()*fScrollVal.fY; }
virtual Long_t ReturnLongestLineWidth();
virtual Long_t ReturnLineLength(Long_t line) { return fText->GetLineLength(line); }
virtual Long_t ReturnLongestLine() { return fText->GetLongestLine(); }
virtual Long_t ReturnLineCount() { return fText->RowCount(); }
virtual void SetSBRange(Int_t direction);
virtual void SetHsbPosition(Long_t newPos);
virtual void SetVsbPosition(Long_t newPos);
virtual void ShowBottom();
virtual void ShowTop();
virtual void SavePrimitive(ostream &out, Option_t * = "");
virtual void SetText(TGText *text);
virtual void AddText(TGText *text);
virtual void AddLine(const char *string);
virtual void AddLineFast(const char *string);
virtual void Update();
virtual void Layout();
virtual void SetBackground(Pixel_t p);
virtual void SetSelectBack(Pixel_t p);
virtual void SetSelectFore(Pixel_t p);
virtual void SetForegroundColor(Pixel_t);
TGText *GetText() const { return fText; }
virtual void SetReadOnly(Bool_t on = kTRUE) { fReadOnly = on; } //*TOGGLE* *GETTER=IsReadOnly
Bool_t IsReadOnly() const { return fReadOnly; }
Bool_t IsMarked() const { return fIsMarked; }
virtual Bool_t HandleDNDDrop(TDNDData *data);
virtual Atom_t HandleDNDPosition(Int_t x, Int_t y, Atom_t action,
Int_t xroot, Int_t yroot);
virtual Atom_t HandleDNDEnter(Atom_t * typelist);
virtual Bool_t HandleDNDLeave();
virtual Bool_t HandleButton(Event_t *event);
virtual Bool_t HandleDoubleClick(Event_t *event);
virtual Bool_t HandleSelectionClear(Event_t *event);
virtual Bool_t HandleSelectionRequest(Event_t *event);
virtual Bool_t HandleMotion(Event_t *event);
virtual Bool_t HandleTimer(TTimer *t);
virtual Bool_t HandleCrossing(Event_t *event);
virtual void DataChanged() { Emit("DataChanged()"); } //*SIGNAL*
virtual void DataDropped(const char *fname) { Emit("DataDropped(char *)", fname); } //*SIGNAL*
virtual void Marked(Bool_t mark) { Emit("Marked(Bool_t)", mark); } // *SIGNAL*
virtual void Clicked(const char *word) { Emit("Clicked(char *)", word); } //*SIGNAL*
virtual void DoubleClicked(const char *word) { Emit("DoubleClicked(char *)", word); } //*SIGNAL*
ClassDef(TGTextView,0) // Non-editable text viewer widget
};
class TViewTimer : public TTimer {
private:
TGView *fView;
TViewTimer(const TViewTimer&); // not implemented
TViewTimer& operator=(const TViewTimer&); // not implemented
public:
TViewTimer(TGView *t, Long_t ms) : TTimer(ms, kTRUE), fView(t) { }
Bool_t Notify();
};
#endif
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