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Reference Guide
TCanvas.h
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1// @(#)root/gpad:$Id$
2// Author: Rene Brun 12/12/94
3
4/*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12#ifndef ROOT_TCanvas
13#define ROOT_TCanvas
14
15
16
17#include "TPad.h"
18
19#include "TAttCanvas.h"
20
21#include "TVirtualX.h"
22
23#include "TString.h"
24
25#include "TCanvasImp.h"
26
27class TContextMenu;
28class TControlBar;
29class TBrowser;
30
31class TCanvas : public TPad {
32
33friend class TCanvasImp;
34friend class TThread;
35friend class TInterpreter;
36
37protected:
38 TAttCanvas fCatt; ///< Canvas attributes
39 TString fDISPLAY; ///< Name of destination screen
40 Size_t fXsizeUser; ///< User specified size of canvas along X in CM
41 Size_t fYsizeUser; ///< User specified size of canvas along Y in CM
42 Size_t fXsizeReal; ///< Current size of canvas along X in CM
43 Size_t fYsizeReal; ///< Current size of canvas along Y in CM
44 Color_t fHighLightColor; ///< Highlight color of active pad
45 Int_t fDoubleBuffer; ///< Double buffer flag (0=off, 1=on)
46 Int_t fWindowTopX; ///< Top X position of window (in pixels)
47 Int_t fWindowTopY; ///< Top Y position of window (in pixels)
48 UInt_t fWindowWidth; ///< Width of window (including borders, etc.)
49 UInt_t fWindowHeight; ///< Height of window (including menubar, borders, etc.)
50 UInt_t fCw; ///< Width of the canvas along X (pixels)
51 UInt_t fCh; ///< Height of the canvas along Y (pixels)
52 Int_t fEvent; ///<! Type of current or last handled event
53 Int_t fEventX; ///<! Last X mouse position in canvas
54 Int_t fEventY; ///<! Last Y mouse position in canvas
55 Int_t fCanvasID; ///<! Canvas identifier
56 TObject *fSelected; ///<! Currently selected object
57 TObject *fClickSelected; ///<! Currently click-selected object
58 Int_t fSelectedX; ///<! X of selected object
59 Int_t fSelectedY; ///<! Y of selected object
60 TString fSelectedOpt; ///<! Drawing option of selected object
61 TPad *fSelectedPad; ///<! Pad containing currently selected object
62 TPad *fClickSelectedPad;///<! Pad containing currently click-selected object
63 TPad *fPadSave; ///<! Pointer to saved pad in HandleInput
64 TCanvasImp *fCanvasImp; ///<! Window system specific canvas implementation
65 TContextMenu *fContextMenu; ///<! Context menu pointer
66 Bool_t fBatch; ///<! True when in batchmode
67 Bool_t fUpdating; ///<! True when Updating the canvas
68 Bool_t fRetained; ///< Retain structure flag
69 Bool_t fUseGL; ///<! True when rendering is with GL
70 Bool_t fDrawn; ///<! Set to True when the Draw method is called
71 //
72 TVirtualPadPainter *fPainter; ///<! Canvas (pad) painter.
73
74 static Bool_t fgIsFolder; ///< Indicates if canvas can be browsed as a folder
75
76private:
77 TCanvas(const TCanvas &canvas); // cannot copy canvas, use TObject::Clone()
78 TCanvas &operator=(const TCanvas &rhs); // idem
79 void Build();
80 void CopyPixmaps();
81 void DrawEventStatus(Int_t event, Int_t x, Int_t y, TObject *selected);
82 void RunAutoExec();
83
84 //Initialize PadPainter.
85 void CreatePainter();
86
87protected:
88 virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
89 //-- used by friend TThread class
90 void Init();
91
92public:
93 // TCanvas status bits
94 enum {
103 kShowToolTips = BIT(23)
104 };
105
106 TCanvas(Bool_t build=kTRUE);
107 TCanvas(const char *name, const char *title="", Int_t form=1);
108 TCanvas(const char *name, const char *title, Int_t ww, Int_t wh);
109 TCanvas(const char *name, const char *title, Int_t wtopx, Int_t wtopy,
110 Int_t ww, Int_t wh);
111 TCanvas(const char *name, Int_t ww, Int_t wh, Int_t winid);
112 virtual ~TCanvas();
113
114 //-- used by friend TThread class
115 void Constructor();
116 void Constructor(const char *name, const char *title, Int_t form);
117 void Constructor(const char *name, const char *title, Int_t ww, Int_t wh);
118 void Constructor(const char *name, const char *title,
119 Int_t wtopx, Int_t wtopy, Int_t ww, Int_t wh);
120 void Destructor();
121
122 TVirtualPad *cd(Int_t subpadnumber=0);
123 virtual void Browse(TBrowser *b);
124 void Clear(Option_t *option="");
125 void Close(Option_t *option="");
126 virtual void Delete(Option_t * = "") { MayNotUse("Delete()"); }
127 void DisconnectWidget(); // used by TCanvasImp
128 virtual void Draw(Option_t *option="");
129 virtual TObject *DrawClone(Option_t *option="") const; // *MENU*
130 virtual TObject *DrawClonePad(); // *MENU*
131 virtual void EditorBar();
132 void EmbedInto(Int_t winid, Int_t ww, Int_t wh);
133 void EnterLeave(TPad *prevSelPad, TObject *prevSelObj);
134 void FeedbackMode(Bool_t set);
135 void Flush();
136 void UseCurrentStyle(); // *MENU*
138 const char *GetDISPLAY() const {return fDISPLAY.Data();}
141 Int_t GetEvent() const { return fEvent; }
142 Int_t GetEventX() const { return fEventX; }
143 Int_t GetEventY() const { return fEventY; }
145 TVirtualPad *GetPadSave() const { return fPadSave; }
146 void ClearPadSave() { fPadSave = 0; }
147 TObject *GetSelected() const {return fSelected;}
149 Int_t GetSelectedX() const {return fSelectedX;}
150 Int_t GetSelectedY() const {return fSelectedY;}
158 Bool_t GetAutoExec() const { return TestBit(kAutoExec); }
163 Int_t GetCanvasID() const {return fCanvasID;}
169 UInt_t GetWw() const { return fCw; }
170 UInt_t GetWh() const { return fCh; }
171 virtual void GetCanvasPar(Int_t &wtopx, Int_t &wtopy, UInt_t &ww, UInt_t &wh)
172 {wtopx=GetWindowTopX(); wtopy=fWindowTopY; ww=fWindowWidth; wh=fWindowHeight;}
173 virtual void HandleInput(EEventType button, Int_t x, Int_t y);
174 Bool_t HasMenuBar() const { return TestBit(kMenuBar); }
175 virtual void HighlightConnect(const char *slot);
177 Bool_t IsBatch() const { return fBatch; }
178 Bool_t IsDrawn() { return fDrawn; }
179 Bool_t IsFolder() const;
181 Bool_t IsRetained() const { return fRetained; }
182 Bool_t IsWeb() const { return fCanvasImp ? fCanvasImp->IsWeb() : kFALSE; }
183 virtual void ls(Option_t *option="") const;
184 void MoveOpaque(Int_t set=1);
187 virtual void Paint(Option_t *option="");
188 virtual TPad *Pick(Int_t px, Int_t py, TObjLink *&pickobj) { return TPad::Pick(px, py, pickobj); }
189 virtual TPad *Pick(Int_t px, Int_t py, TObject *prevSelObj);
190 virtual void Picked(TPad *selpad, TObject *selected, Int_t event); // *SIGNAL*
191 virtual void Highlighted(TVirtualPad *pad, TObject *obj, Int_t x, Int_t y); // *SIGNAL*
192 virtual void ProcessedEvent(Int_t event, Int_t x, Int_t y, TObject *selected); // *SIGNAL*
193 virtual void Selected(TVirtualPad *pad, TObject *obj, Int_t event); // *SIGNAL*
194 virtual void Cleared(TVirtualPad *pad); // *SIGNAL*
195 virtual void Closed(); // *SIGNAL*
198 virtual void Resize(Option_t *option="");
199 void ResizeOpaque(Int_t set=1);
200 void SaveSource(const char *filename="", Option_t *option="");
201 void SavePrimitive(std::ostream &out, Option_t *option = "");
202 virtual void SetCursor(ECursor cursor);
203 virtual void SetDoubleBuffer(Int_t mode=1);
204 virtual void SetFixedAspectRatio(Bool_t fixed = kTRUE); // *TOGGLE*
205 void SetGrayscale(Bool_t set = kTRUE); // *TOGGLE* *GETTER=IsGrayscale
208 {
209 if (fBatch)
210 SetCanvasSize((ww + fCw) / 2, (wh + fCh) / 2);
211 else if (fCanvasImp)
212 fCanvasImp->SetWindowSize(ww, wh);
213 }
215 void SetCanvasSize(UInt_t ww, UInt_t wh); // *MENU*
217 void SetSelected(TObject *obj);
219 void SetSelectedPad(TPad *pad) { fSelectedPad = pad; }
221 void Show() { if (fCanvasImp) fCanvasImp->Show(); }
222 virtual void Size(Float_t xsizeuser=0, Float_t ysizeuser=0);
223 void SetBatch(Bool_t batch=kTRUE);
224 static void SetFolder(Bool_t isfolder=kTRUE);
225 void SetPadSave(TPad *pad) {fPadSave = pad;}
226 void SetRetained(Bool_t retained=kTRUE) { fRetained=retained;}
227 void SetTitle(const char *title="");
228 virtual void ToggleEventStatus();
229 virtual void ToggleAutoExec();
230 virtual void ToggleToolBar();
231 virtual void ToggleEditor();
232 virtual void ToggleToolTips();
233 virtual void Update();
234
235 Bool_t UseGL() const { return fUseGL; }
236 void SetSupportGL(Bool_t support) {fUseGL = support;}
238 void DeleteCanvasPainter();
239
240 static TCanvas *MakeDefCanvas();
241 static Bool_t SupportAlpha();
242
243 ClassDef(TCanvas,8) //Graphics canvas
244};
245
246#endif
EEventType
Definition: Buttons.h:15
#define b(i)
Definition: RSha256.hxx:100
int Int_t
Definition: RtypesCore.h:41
float Size_t
Definition: RtypesCore.h:83
unsigned int UInt_t
Definition: RtypesCore.h:42
const Bool_t kFALSE
Definition: RtypesCore.h:88
bool Bool_t
Definition: RtypesCore.h:59
short Color_t
Definition: RtypesCore.h:79
float Float_t
Definition: RtypesCore.h:53
const Bool_t kTRUE
Definition: RtypesCore.h:87
const char Option_t
Definition: RtypesCore.h:62
#define ClassDef(name, id)
Definition: Rtypes.h:324
#define BIT(n)
Definition: Rtypes.h:82
ECursor
Definition: TVirtualX.h:44
Manages canvas attributes.
Definition: TAttCanvas.h:17
Using a TBrowser one can browse all ROOT objects.
Definition: TBrowser.h:37
ABC describing GUI independent main window (with menubar, scrollbars and a drawing area).
Definition: TCanvasImp.h:30
virtual void Show()
Definition: TCanvasImp.h:66
virtual void Iconify()
Definition: TCanvasImp.h:59
virtual void SetWindowPosition(Int_t x, Int_t y)
Definition: TCanvasImp.h:90
virtual Bool_t IsWeb() const
Definition: TCanvasImp.h:45
virtual void RaiseWindow()
Definition: TCanvasImp.h:96
virtual void SetWindowSize(UInt_t w, UInt_t h)
Definition: TCanvasImp.h:91
virtual void ForceUpdate()
Definition: TCanvasImp.h:57
The Canvas class.
Definition: TCanvas.h:31
void Init()
Initialize the TCanvas members. Called by all constructors.
Definition: TCanvas.cxx:512
UInt_t fCw
Width of the canvas along X (pixels)
Definition: TCanvas.h:50
void EmbedInto(Int_t winid, Int_t ww, Int_t wh)
Embedded a canvas into a TRootEmbeddedCanvas.
Definition: TCanvas.cxx:995
Bool_t IsRetained() const
Is pad retained ?
Definition: TCanvas.h:181
void SetWindowSize(UInt_t ww, UInt_t wh)
Definition: TCanvas.h:207
static void SetFolder(Bool_t isfolder=kTRUE)
If isfolder=kTRUE, the canvas can be browsed like a folder by default a canvas is not browsable.
Definition: TCanvas.cxx:1977
UInt_t GetWindowHeight() const
Definition: TCanvas.h:168
TObject * GetClickSelected() const
Definition: TCanvas.h:148
virtual void EditorBar()
Get editor bar.
Definition: TCanvas.cxx:986
static TCanvas * MakeDefCanvas()
Static function to build a default canvas.
Definition: TCanvas.cxx:1437
void ClearPadSave()
Definition: TCanvas.h:146
void EnterLeave(TPad *prevSelPad, TObject *prevSelObj)
Generate kMouseEnter and kMouseLeave events depending on the previously selected object and the curre...
Definition: TCanvas.cxx:1021
TVirtualPad * GetClickSelectedPad() const
Definition: TCanvas.h:153
Size_t fYsizeReal
Current size of canvas along Y in CM.
Definition: TCanvas.h:43
UInt_t GetWh() const
Get Wh.
Definition: TCanvas.h:170
void Constructor()
Canvas default constructor.
Definition: TCanvas.cxx:172
void SetClickSelectedPad(TPad *pad)
Definition: TCanvas.h:220
virtual void ToggleAutoExec()
Toggle pad auto execution of list of TExecs.
Definition: TCanvas.cxx:2219
void SetCanvasSize(UInt_t ww, UInt_t wh)
Set Width and Height of canvas to ww and wh respectively.
Definition: TCanvas.cxx:1916
Int_t fWindowTopX
Top X position of window (in pixels)
Definition: TCanvas.h:46
@ kResizeOpaque
Definition: TCanvas.h:101
@ kShowToolTips
Definition: TCanvas.h:103
@ kShowToolBar
Definition: TCanvas.h:98
@ kMoveOpaque
Definition: TCanvas.h:100
@ kIsGrayscale
Definition: TCanvas.h:102
@ kShowEventStatus
Definition: TCanvas.h:95
@ kAutoExec
Definition: TCanvas.h:96
@ kMenuBar
Definition: TCanvas.h:97
@ kShowEditor
Definition: TCanvas.h:99
void SetSelectedPad(TPad *pad)
Definition: TCanvas.h:219
Bool_t OpaqueResizing() const
Is pad resizing in opaque mode ?
Definition: TCanvas.h:186
void SetHighLightColor(Color_t col)
Definition: TCanvas.h:216
virtual void ToggleToolTips()
Toggle tooltip display.
Definition: TCanvas.cxx:2261
virtual void Draw(Option_t *option="")
Draw a canvas.
Definition: TCanvas.cxx:831
Bool_t IsDrawn()
Definition: TCanvas.h:178
void Iconify()
Definition: TCanvas.h:176
Int_t GetWindowTopX()
Returns current top x position of window on screen.
Definition: TCanvas.cxx:1149
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py)
Execute action corresponding to one event.
Definition: TCanvas.cxx:1058
Bool_t IsWeb() const
Definition: TCanvas.h:182
virtual void ToggleEventStatus()
Toggle event statusbar.
Definition: TCanvas.cxx:2228
void Destructor()
Actual canvas destructor.
Definition: TCanvas.cxx:669
virtual void GetCanvasPar(Int_t &wtopx, Int_t &wtopy, UInt_t &ww, UInt_t &wh)
Definition: TCanvas.h:171
virtual void SetDoubleBuffer(Int_t mode=1)
Set Double Buffer On/Off.
Definition: TCanvas.cxx:1938
void Clear(Option_t *option="")
Remove all primitives from the canvas.
Definition: TCanvas.cxx:712
virtual void SetFixedAspectRatio(Bool_t fixed=kTRUE)
Fix canvas aspect ratio to current value if fixed is true.
Definition: TCanvas.cxx:1955
void SetSupportGL(Bool_t support)
Definition: TCanvas.h:236
void DeleteCanvasPainter()
assert on IsBatch() == false?
Definition: TCanvas.cxx:2399
TPad * fPadSave
! Pointer to saved pad in HandleInput
Definition: TCanvas.h:63
static Bool_t SupportAlpha()
Static function returning "true" if transparency is supported.
Definition: TCanvas.cxx:2273
Bool_t fBatch
! True when in batchmode
Definition: TCanvas.h:66
Bool_t fUseGL
! True when rendering is with GL
Definition: TCanvas.h:69
Int_t fEventX
! Last X mouse position in canvas
Definition: TCanvas.h:53
TCanvas & operator=(const TCanvas &rhs)
TCanvas(const TCanvas &canvas)
virtual void Paint(Option_t *option="")
Paint canvas.
Definition: TCanvas.cxx:1476
Size_t fXsizeReal
Current size of canvas along X in CM.
Definition: TCanvas.h:42
Bool_t HasMenuBar() const
Definition: TCanvas.h:174
TVirtualPadPainter * GetCanvasPainter()
Access and (probably) creation of pad painter.
Definition: TCanvas.cxx:2389
virtual void HighlightConnect(const char *slot)
This is "simplification" for function TCanvas::Connect with Highlighted signal for specific slot.
Definition: TCanvas.cxx:1564
virtual void Resize(Option_t *option="")
Recompute canvas parameters following a X11 Resize.
Definition: TCanvas.cxx:1601
Int_t GetEventY() const
Get Y event.
Definition: TCanvas.h:143
Color_t GetHighLightColor() const
Get highlight color.
Definition: TCanvas.h:144
Bool_t GetShowToolBar() const
Definition: TCanvas.h:155
void DrawEventStatus(Int_t event, Int_t x, Int_t y, TObject *selected)
Report name and title of primitive below the cursor.
Definition: TCanvas.cxx:959
UInt_t fWindowWidth
Width of window (including borders, etc.)
Definition: TCanvas.h:48
TVirtualPadPainter * fPainter
! Canvas (pad) painter.
Definition: TCanvas.h:72
virtual TObject * DrawClone(Option_t *option="") const
Draw a clone of this canvas A new canvas is created that is a clone of this canvas.
Definition: TCanvas.cxx:878
Bool_t IsGrayscale()
Check whether this canvas is to be drawn in grayscale mode.
Definition: TCanvas.cxx:2345
TPad * fClickSelectedPad
! Pad containing currently click-selected object
Definition: TCanvas.h:62
void SetSelected(TObject *obj)
Set selected canvas.
Definition: TCanvas.cxx:1985
Bool_t fUpdating
! True when Updating the canvas
Definition: TCanvas.h:67
void SaveSource(const char *filename="", Option_t *option="")
Save primitives in this canvas as a C++ macro file.
Definition: TCanvas.cxx:1749
void SetCanvasImp(TCanvasImp *i)
Definition: TCanvas.h:214
Int_t GetEvent() const
Get Event.
Definition: TCanvas.h:141
Color_t fHighLightColor
Highlight color of active pad.
Definition: TCanvas.h:44
Size_t GetXsizeUser() const
Definition: TCanvas.h:159
virtual void Size(Float_t xsizeuser=0, Float_t ysizeuser=0)
Set the canvas scale in centimeters.
Definition: TCanvas.cxx:2020
virtual void ProcessedEvent(Int_t event, Int_t x, Int_t y, TObject *selected)
Emit ProcessedEvent() signal.
Definition: TCanvas.cxx:1586
virtual void HandleInput(EEventType button, Int_t x, Int_t y)
Handle Input Events.
Definition: TCanvas.cxx:1173
Size_t GetXsizeReal() const
Definition: TCanvas.h:161
Int_t GetEventX() const
Get X event.
Definition: TCanvas.h:142
Bool_t IsFolder() const
Is folder ?
Definition: TCanvas.cxx:1417
Bool_t IsBatch() const
Is pad in batch mode ?
Definition: TCanvas.h:177
TCanvasImp * GetCanvasImp() const
Get canvas implementation pointer if any.
Definition: TCanvas.h:164
Size_t fXsizeUser
User specified size of canvas along X in CM.
Definition: TCanvas.h:40
Int_t fEventY
! Last Y mouse position in canvas
Definition: TCanvas.h:54
virtual void ls(Option_t *option="") const
List all pads.
Definition: TCanvas.cxx:1425
UInt_t fWindowHeight
Height of window (including menubar, borders, etc.)
Definition: TCanvas.h:49
Int_t GetWindowTopY()
Returns current top y position of window on screen.
Definition: TCanvas.cxx:1160
void SetPadSave(TPad *pad)
Definition: TCanvas.h:225
Bool_t GetShowEditor() const
Definition: TCanvas.h:156
TObject * fClickSelected
! Currently click-selected object
Definition: TCanvas.h:57
void Show()
Definition: TCanvas.h:221
Int_t GetCanvasID() const
Get canvas identifier.
Definition: TCanvas.h:163
virtual void Delete(Option_t *="")
Delete this object.
Definition: TCanvas.h:126
TPad * fSelectedPad
! Pad containing currently selected object
Definition: TCanvas.h:61
virtual void Selected(TVirtualPad *pad, TObject *obj, Int_t event)
Emit Selected() signal.
Definition: TCanvas.cxx:1572
Bool_t OpaqueMoving() const
Is pad moving in opaque mode ?
Definition: TCanvas.h:185
virtual void Update()
Update canvas pad buffers.
Definition: TCanvas.cxx:2286
Bool_t GetAutoExec() const
Definition: TCanvas.h:158
Int_t fSelectedX
! X of selected object
Definition: TCanvas.h:58
virtual void ToggleEditor()
Toggle editor.
Definition: TCanvas.cxx:2250
virtual void Picked(TPad *selpad, TObject *selected, Int_t event)
Emit Picked() signal.
Definition: TCanvas.cxx:1526
TObject * fSelected
! Currently selected object
Definition: TCanvas.h:56
TVirtualPad * GetSelectedPad() const
Definition: TCanvas.h:152
void UseCurrentStyle()
Force a copy of current style for all objects in canvas.
Definition: TCanvas.cxx:1124
void SetTitle(const char *title="")
Set canvas title.
Definition: TCanvas.cxx:1994
Bool_t GetShowToolTips() const
Definition: TCanvas.h:157
Int_t fCanvasID
! Canvas identifier
Definition: TCanvas.h:55
void SetGrayscale(Bool_t set=kTRUE)
Set whether this canvas should be painted in grayscale, and re-paint it if necessary.
Definition: TCanvas.cxx:2354
virtual void SetCursor(ECursor cursor)
Set cursor.
Definition: TCanvas.cxx:1929
TVirtualPad * GetPadSave() const
Definition: TCanvas.h:145
UInt_t fCh
Height of the canvas along Y (pixels)
Definition: TCanvas.h:51
const char * GetDISPLAY() const
Definition: TCanvas.h:138
TContextMenu * fContextMenu
! Context menu pointer
Definition: TCanvas.h:65
TAttCanvas fCatt
Canvas attributes.
Definition: TCanvas.h:38
UInt_t GetWindowWidth() const
Definition: TCanvas.h:167
Bool_t fRetained
Retain structure flag.
Definition: TCanvas.h:68
void DisconnectWidget()
Used by friend class TCanvasImp.
Definition: TCanvas.cxx:2336
void FeedbackMode(Bool_t set)
Turn rubberband feedback mode on or off.
Definition: TCanvas.cxx:1076
Size_t GetYsizeUser() const
Definition: TCanvas.h:160
UInt_t GetWw() const
Get Ww.
Definition: TCanvas.h:169
Int_t GetSelectedY() const
Definition: TCanvas.h:150
void RaiseWindow()
Definition: TCanvas.h:196
void Build()
Build a canvas. Called by all constructors.
Definition: TCanvas.cxx:561
virtual void Closed()
Emit Closed signal.
Definition: TCanvas.cxx:753
void SavePrimitive(std::ostream &out, Option_t *option="")
Save primitives in this canvas in C++ macro file with GUI.
Definition: TCanvas.cxx:1704
Int_t GetSelectedX() const
Definition: TCanvas.h:149
Int_t fWindowTopY
Top Y position of window (in pixels)
Definition: TCanvas.h:47
void SetClickSelected(TObject *obj)
Definition: TCanvas.h:218
TObject * GetSelected() const
Get selected.
Definition: TCanvas.h:147
void Close(Option_t *option="")
Close canvas.
Definition: TCanvas.cxx:763
void CopyPixmaps()
Copy the canvas pixmap of the pad to the canvas.
Definition: TCanvas.cxx:813
void RunAutoExec()
Execute the list of TExecs in the current pad.
Definition: TCanvas.cxx:1693
TContextMenu * GetContextMenu() const
Definition: TCanvas.h:139
virtual void Cleared(TVirtualPad *pad)
Emit pad Cleared signal.
Definition: TCanvas.cxx:745
Size_t GetYsizeReal() const
Definition: TCanvas.h:162
TCanvasImp * fCanvasImp
! Window system specific canvas implementation
Definition: TCanvas.h:64
virtual void Highlighted(TVirtualPad *pad, TObject *obj, Int_t x, Int_t y)
Emit Highlighted() signal.
Definition: TCanvas.cxx:1545
void Flush()
Flush canvas buffers.
Definition: TCanvas.cxx:1090
Size_t fYsizeUser
User specified size of canvas along Y in CM.
Definition: TCanvas.h:41
Int_t fDoubleBuffer
Double buffer flag (0=off, 1=on)
Definition: TCanvas.h:45
virtual void Browse(TBrowser *b)
Browse.
Definition: TCanvas.cxx:659
Option_t * GetSelectedOpt() const
Definition: TCanvas.h:151
void ForceUpdate()
Definition: TCanvas.h:137
TVirtualPad * cd(Int_t subpadnumber=0)
Set current canvas & pad.
Definition: TCanvas.cxx:693
void CreatePainter()
Probably, TPadPainter must be placed in a separate ROOT module - "padpainter" (the same as "histpaint...
Definition: TCanvas.cxx:2368
void MoveOpaque(Int_t set=1)
Set option to move objects/pads in a canvas.
Definition: TCanvas.cxx:1468
virtual ~TCanvas()
Canvas destructor.
Definition: TCanvas.cxx:651
static Bool_t fgIsFolder
Indicates if canvas can be browsed as a folder.
Definition: TCanvas.h:74
Int_t GetDoubleBuffer() const
Definition: TCanvas.h:140
void SetWindowPosition(Int_t x, Int_t y)
Definition: TCanvas.h:206
TString fDISPLAY
Name of destination screen.
Definition: TCanvas.h:39
Int_t fEvent
! Type of current or last handled event
Definition: TCanvas.h:52
Bool_t GetShowEventStatus() const
Definition: TCanvas.h:154
TString fSelectedOpt
! Drawing option of selected object
Definition: TCanvas.h:60
Int_t fSelectedY
! Y of selected object
Definition: TCanvas.h:59
Bool_t fDrawn
! Set to True when the Draw method is called
Definition: TCanvas.h:70
Bool_t UseGL() const
Definition: TCanvas.h:235
virtual TPad * Pick(Int_t px, Int_t py, TObjLink *&pickobj)
Search for an object at pixel position px,py.
Definition: TCanvas.h:188
void ResizeOpaque(Int_t set=1)
Set option to resize objects/pads in a canvas.
Definition: TCanvas.cxx:1685
virtual void ToggleToolBar()
Toggle toolbar.
Definition: TCanvas.cxx:2239
void SetRetained(Bool_t retained=kTRUE)
Definition: TCanvas.h:226
virtual TObject * DrawClonePad()
Draw a clone of this canvas into the current pad In an interactive session, select the destination/cu...
Definition: TCanvas.cxx:904
void SetBatch(Bool_t batch=kTRUE)
Toggle batch mode.
Definition: TCanvas.cxx:1900
void ResetDrawn()
Definition: TCanvas.h:197
This class provides an interface to context sensitive popup menus.
Definition: TContextMenu.h:40
A Control Bar is a fully user configurable tool which provides fast access to frequently used operati...
Definition: TControlBar.h:22
This class defines an abstract interface to a generic command line interpreter.
Definition: TInterpreter.h:60
Mother of all ROOT objects.
Definition: TObject.h:37
R__ALWAYS_INLINE Bool_t TestBit(UInt_t f) const
Definition: TObject.h:172
void MayNotUse(const char *method) const
Use this method to signal that a method (defined in a base class) may not be called in a derived clas...
Definition: TObject.cxx:933
The most important graphics class in the ROOT system.
Definition: TPad.h:29
virtual TPad * Pick(Int_t px, Int_t py, TObjLink *&pickobj)
Search for an object at pixel position px,py.
Definition: TPad.cxx:4479
Basic string class.
Definition: TString.h:131
const char * Data() const
Definition: TString.h:364
To make it possible to use GL for 2D graphic in a TPad/TCanvas.
TVirtualPad is an abstract base class for the Pad and Canvas classes.
Definition: TVirtualPad.h:50
Double_t y[n]
Definition: legend1.C:17
Double_t x[n]
Definition: legend1.C:17