// @(#)root/gpad:$Id$ // Author: Rene Brun 12/12/94 /************************************************************************* * 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_TCanvas #define ROOT_TCanvas ////////////////////////////////////////////////////////////////////////// // // // TCanvas // // // // Graphics canvas. // // // ////////////////////////////////////////////////////////////////////////// #ifndef ROOT_TPad #include "TPad.h" #endif #ifndef ROOT_TAttCanvas #include "TAttCanvas.h" #endif #ifndef ROOT_TVirtualX #include "TVirtualX.h" #endif #ifndef ROOT_TString #include "TString.h" #endif #ifndef ROOT_TCanvasImp #include "TCanvasImp.h" #endif class TContextMenu; class TControlBar; class TBrowser; class TCanvas : public TPad { friend class TCanvasImp; friend class TThread; friend class TInterpreter; protected: TAttCanvas fCatt; //Canvas attributes TString fDISPLAY; //Name of destination screen Size_t fXsizeUser; //User specified size of canvas along X in CM Size_t fYsizeUser; //User specified size of canvas along Y in CM Size_t fXsizeReal; //Current size of canvas along X in CM Size_t fYsizeReal; //Current size of canvas along Y in CM Color_t fHighLightColor; //Highlight color of active pad Int_t fDoubleBuffer; //Double buffer flag (0=off, 1=on) Int_t fWindowTopX; //Top X position of window (in pixels) Int_t fWindowTopY; //Top Y position of window (in pixels) UInt_t fWindowWidth; //Width of window (including borders, etc.) UInt_t fWindowHeight; //Height of window (including menubar, borders, etc.) UInt_t fCw; //Width of the canvas along X (pixels) UInt_t fCh; //Height of the canvas along Y (pixels) Int_t fEvent; //!Type of current or last handled event Int_t fEventX; //!Last X mouse position in canvas Int_t fEventY; //!Last Y mouse position in canvas Int_t fCanvasID; //!Canvas identifier TObject *fSelected; //!Currently selected object TObject *fClickSelected; //!Currently click-selected object Int_t fSelectedX; //!X of selected object Int_t fSelectedY; //!Y of selected object TString fSelectedOpt; //!Drawing option of selected object TPad *fSelectedPad; //!Pad containing currently selected object TPad *fClickSelectedPad;//!Pad containing currently click-selected object TPad *fPadSave; //!Pointer to saved pad in HandleInput TCanvasImp *fCanvasImp; //!Window system specific canvas implementation TContextMenu *fContextMenu; //!Context menu pointer Bool_t fBatch; //!True when in batchmode Bool_t fUpdating; //!True when Updating the canvas Bool_t fRetained; //Retain structure flag Bool_t fUseGL; //!True when rendering is with GL // TVirtualPadPainter *fPainter; //!Canvas (pad) painter. static Bool_t fgIsFolder; //Indicates if canvas can be browsed as a folder private: TCanvas(const TCanvas &canvas); // cannot copy canvas, use TObject::Clone() TCanvas &operator=(const TCanvas &rhs); // idem void Build(); void CopyPixmaps(); void DrawEventStatus(Int_t event, Int_t x, Int_t y, TObject *selected); void RunAutoExec(); //Initialize PadPainter. void CreatePainter(); protected: virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py); //-- used by friend TThread class void Init(); public: // TCanvas status bits enum { kShowEventStatus = BIT(15), kAutoExec = BIT(16), kMenuBar = BIT(17), kShowToolBar = BIT(18), kShowEditor = BIT(19), kMoveOpaque = BIT(20), kResizeOpaque = BIT(21), kIsGrayscale = BIT(22), kShowToolTips = BIT(23) }; TCanvas(Bool_t build=kTRUE); TCanvas(const char *name, const char *title="", Int_t form=1); TCanvas(const char *name, const char *title, Int_t ww, Int_t wh); TCanvas(const char *name, const char *title, Int_t wtopx, Int_t wtopy, Int_t ww, Int_t wh); TCanvas(const char *name, Int_t ww, Int_t wh, Int_t winid); virtual ~TCanvas(); //-- used by friend TThread class void Constructor(); void Constructor(const char *name, const char *title, Int_t form); void Constructor(const char *name, const char *title, Int_t ww, Int_t wh); void Constructor(const char *name, const char *title, Int_t wtopx, Int_t wtopy, Int_t ww, Int_t wh); void Destructor(); TVirtualPad *cd(Int_t subpadnumber=0); virtual void Browse(TBrowser *b); void Clear(Option_t *option=""); void Close(Option_t *option=""); virtual void Delete(Option_t * = "") { MayNotUse("Delete()"); } void DisconnectWidget(); // used by TCanvasImp virtual void Draw(Option_t *option=""); virtual TObject *DrawClone(Option_t *option="") const; // *MENU* virtual TObject *DrawClonePad(); // *MENU* virtual void EditorBar(); void EmbedInto(Int_t winid, Int_t ww, Int_t wh); void EnterLeave(TPad *prevSelPad, TObject *prevSelObj); void FeedbackMode(Bool_t set); void Flush(); void UseCurrentStyle(); // *MENU* void ForceUpdate() { fCanvasImp->ForceUpdate(); } const char *GetDISPLAY() const {return fDISPLAY.Data();} TContextMenu *GetContextMenu() const {return fContextMenu;}; Int_t GetDoubleBuffer() const {return fDoubleBuffer;} Int_t GetEvent() const { return fEvent; } Int_t GetEventX() const { return fEventX; } Int_t GetEventY() const { return fEventY; } Color_t GetHighLightColor() const { return fHighLightColor; } TVirtualPad *GetPadSave() const { return fPadSave; } void ClearPadSave() { fPadSave = 0; } TObject *GetSelected() const {return fSelected;} TObject *GetClickSelected() const {return fClickSelected;} Int_t GetSelectedX() const {return fSelectedX;} Int_t GetSelectedY() const {return fSelectedY;} Option_t *GetSelectedOpt() const {return fSelectedOpt.Data();} TVirtualPad *GetSelectedPad() const { return fSelectedPad; } TVirtualPad *GetClickSelectedPad() const { return fClickSelectedPad; } Bool_t GetShowEventStatus() const { return TestBit(kShowEventStatus); } Bool_t GetShowToolBar() const { return TestBit(kShowToolBar); } Bool_t GetShowEditor() const { return TestBit(kShowEditor); } Bool_t GetShowToolTips() const { return TestBit(kShowToolTips); } Bool_t GetAutoExec() const { return TestBit(kAutoExec); } Size_t GetXsizeUser() const {return fXsizeUser;} Size_t GetYsizeUser() const {return fYsizeUser;} Size_t GetXsizeReal() const {return fXsizeReal;} Size_t GetYsizeReal() const {return fYsizeReal;} Int_t GetCanvasID() const {return fCanvasID;} TCanvasImp *GetCanvasImp() const {return fCanvasImp;} Int_t GetWindowTopX(); Int_t GetWindowTopY(); UInt_t GetWindowWidth() const { return fWindowWidth; } UInt_t GetWindowHeight() const { return fWindowHeight; } UInt_t GetWw() const { return fCw; } UInt_t GetWh() const { return fCh; } virtual void GetCanvasPar(Int_t &wtopx, Int_t &wtopy, UInt_t &ww, UInt_t &wh) {wtopx=GetWindowTopX(); wtopy=fWindowTopY; ww=fWindowWidth; wh=fWindowHeight;} virtual void HandleInput(EEventType button, Int_t x, Int_t y); Bool_t HasMenuBar() const { return TestBit(kMenuBar); } void Iconify() { fCanvasImp->Iconify(); } Bool_t IsBatch() const { return fBatch; } Bool_t IsFolder() const; Bool_t IsGrayscale(); Bool_t IsRetained() const { return fRetained; } virtual void ls(Option_t *option="") const; void MoveOpaque(Int_t set=1); Bool_t OpaqueMoving() const { return TestBit(kMoveOpaque); } Bool_t OpaqueResizing() const { return TestBit(kResizeOpaque); } virtual void Paint(Option_t *option=""); virtual TPad *Pick(Int_t px, Int_t py, TObjLink *&pickobj) { return TPad::Pick(px, py, pickobj); } virtual TPad *Pick(Int_t px, Int_t py, TObject *prevSelObj); virtual void Picked(TPad *selpad, TObject *selected, Int_t event); // *SIGNAL* virtual void ProcessedEvent(Int_t event, Int_t x, Int_t y, TObject *selected); // *SIGNAL* virtual void Selected(TVirtualPad *pad, TObject *obj, Int_t event); // *SIGNAL* virtual void Cleared(TVirtualPad *pad); // *SIGNAL* virtual void Closed(); // *SIGNAL* void RaiseWindow() { fCanvasImp->RaiseWindow(); } virtual void Resize(Option_t *option=""); void ResizeOpaque(Int_t set=1); void SaveSource(const char *filename="", Option_t *option=""); void SavePrimitive(ostream &out, Option_t *option = ""); virtual void SetCursor(ECursor cursor); virtual void SetDoubleBuffer(Int_t mode=1); virtual void SetFixedAspectRatio(Bool_t fixed = kTRUE); // *TOGGLE* void SetGrayscale(Bool_t set = kTRUE); // *TOGGLE* *GETTER=IsGrayscale void SetWindowPosition(Int_t x, Int_t y) { fCanvasImp->SetWindowPosition(x, y); } void SetWindowSize(UInt_t ww, UInt_t wh) { fCanvasImp->SetWindowSize(ww, wh); } void SetCanvasSize(UInt_t ww, UInt_t wh); // *MENU* void SetHighLightColor(Color_t col) { fHighLightColor = col; } void SetSelected(TObject *obj); void SetClickSelected(TObject *obj) { fClickSelected = obj; } void SetSelectedPad(TPad *pad) { fSelectedPad = pad; } void SetClickSelectedPad(TPad *pad) { fClickSelectedPad = pad; } void Show() { fCanvasImp->Show(); } virtual void Size(Float_t xsizeuser=0, Float_t ysizeuser=0); void SetBatch(Bool_t batch=kTRUE); static void SetFolder(Bool_t isfolder=kTRUE); void SetPadSave(TPad *pad) {fPadSave = pad;} void SetRetained(Bool_t retained=kTRUE) { fRetained=retained;} void SetTitle(const char *title=""); virtual void ToggleEventStatus(); virtual void ToggleAutoExec(); virtual void ToggleToolBar(); virtual void ToggleEditor(); virtual void ToggleToolTips(); virtual void Update(); // Bool_t UseGL() const { return fUseGL; } void SetSupportGL(Bool_t support) {fUseGL = support;} TVirtualPadPainter *GetCanvasPainter(); void DeleteCanvasPainter(); static TCanvas *MakeDefCanvas(); static Bool_t SupportAlpha(); ClassDef(TCanvas,8) //Graphics canvas }; #endif