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Reference Guide
TGToolTip.h
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1 // @(#)root/gui:$Id$
2 // Author: Fons Rademakers 22/02/98
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_TGToolTip
13 #define ROOT_TGToolTip
14 
15 
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TGToolTip //
19 // //
20 // A tooltip can be a one or multiple lines help text that is displayed //
21 // in a window when the mouse cursor overs a widget, without clicking //
22 // it. A small box appears with suplementary information regarding the //
23 // item being hovered over. //
24 // //
25 //////////////////////////////////////////////////////////////////////////
26 
27 #ifndef ROOT_TGFrame
28 #include "TGFrame.h"
29 #endif
30 
31 class TGLabel;
32 class TTimer;
33 class TVirtualPad;
34 class TBox;
35 
36 
37 class TGToolTip : public TGCompositeFrame {
38 
39 private:
40  TGLabel *fLabel; // help text
41  TGLayoutHints *fL1; // layout used to place text in frame
42  TTimer *fDelay; // popup delay timer
43  const TGFrame *fWindow; // frame to which tool tip is associated
44  const TVirtualPad *fPad; // pad to which tooltip is associated
45  const TBox *fBox; // box in pad to which tooltip is associated
46  Int_t fX; // X position in fWindow where to popup
47  Int_t fY; // Y position in fWindow where to popup
48 
49  TGToolTip(const TGToolTip&); // not implemented
50  TGToolTip& operator=(const TGToolTip&); // not implemented
51 
52 public:
53  TGToolTip(const TGWindow *p = 0, const TGFrame *f = 0, const char *text = 0, Long_t delayms = 350);
54  TGToolTip(const TGWindow *p, const TBox *b, const char *text, Long_t delayms);
55  TGToolTip(const TBox *b, const char *text, Long_t delayms);
56  TGToolTip(Int_t x, Int_t y, const char *text, Long_t delayms);
57  virtual ~TGToolTip();
58 
59  virtual void DrawBorder();
60 
62  void Show(Int_t x, Int_t y); //*SIGNAL*
63  void Hide(); //*SIGNAL*
64  void Reset(); //*SIGNAL*
65  void Reset(const TVirtualPad *parent);
66  void SetText(const char *new_text);
67  void SetPosition(Int_t x, Int_t y);
68  void SetDelay(Long_t delayms);
69  const TGString *GetText() const;
70 
71  ClassDef(TGToolTip,0) //One or multiple lines help text
72 };
73 
74 #endif
Int_t fX
Definition: TGToolTip.h:46
const TVirtualPad * fPad
Definition: TGToolTip.h:44
Create a Box.
Definition: TBox.h:36
void Reset()
Reset tool tip popup delay timer.
Definition: TGToolTip.cxx:259
void SetText(const char *new_text)
Set new tool tip text.
Definition: TGToolTip.cxx:386
void Show(Int_t x, Int_t y)
Show tool tip window.
Definition: TGToolTip.cxx:229
Int_t fY
Definition: TGToolTip.h:47
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
void Hide()
Hide tool tip window.
Definition: TGToolTip.cxx:246
TGLabel * fLabel
Definition: TGToolTip.h:40
Double_t x[n]
Definition: legend1.C:17
#define ClassDef(name, id)
Definition: Rtypes.h:254
void SetDelay(Long_t delayms)
Set delay in milliseconds.
Definition: TGToolTip.cxx:395
void SetPosition(Int_t x, Int_t y)
Set popup position within specified frame (as specified in the ctor).
Definition: TGToolTip.cxx:405
TVirtualPad is an abstract base class for the Pad and Canvas classes.
Definition: TVirtualPad.h:59
TGToolTip & operator=(const TGToolTip &)
Bool_t HandleTimer(TTimer *t)
If tool tip delay timer times out show tool tip window.
Definition: TGToolTip.cxx:284
virtual ~TGToolTip()
Delete a tool tip object.
Definition: TGToolTip.cxx:208
TGToolTip(const TGToolTip &)
Handles synchronous and a-synchronous timer events.
Definition: TTimer.h:57
TTimer * fDelay
Definition: TGToolTip.h:42
long Long_t
Definition: RtypesCore.h:50
double f(double x)
TText * text
Double_t y[n]
Definition: legend1.C:17
const TBox * fBox
Definition: TGToolTip.h:45
TGLayoutHints * fL1
Definition: TGToolTip.h:41
you should not use this method at all Int_t Int_t Double_t Double_t Double_t Int_t Double_t Double_t Double_t Double_t b
Definition: TRolke.cxx:630
const TGString * GetText() const
Get the tool tip text.
Definition: TGToolTip.cxx:426
virtual void DrawBorder()
Draw border of tool tip window.
Definition: TGToolTip.cxx:218
const TGFrame * fWindow
Definition: TGToolTip.h:43