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TGWidget.h
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1// @(#)root/gui:$Id$
2// Author: Fons Rademakers 05/01/98
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_TGWidget
13#define ROOT_TGWidget
14
15
16//////////////////////////////////////////////////////////////////////////
17// //
18// TGWidget //
19// //
20// The widget base class. It is light weight (all inline service //
21// methods) and is typically used as mixin class (via multiple //
22// inheritance), see for example TGButton. //
23// //
24//////////////////////////////////////////////////////////////////////////
25
26#include "GuiTypes.h"
27#include "TGString.h"
28#include "WidgetMessageTypes.h"
29
30
31//--- Text justification modes
32
39 kTextCenterY = BIT(5)
40};
41
42
43//--- Widget status
44
49};
50
51
52class TGWindow;
53
54
55class TGWidget {
56
57protected:
58 Int_t fWidgetId; // the widget id (used for event processing)
59 Int_t fWidgetFlags; // widget status flags (OR of EWidgetStatus)
60 const TGWindow *fMsgWindow; // window which handles widget events
61 TString fCommand; // command to be executed
62
63 TGWidget(const TGWidget& tgw):
67 if(this!=&tgw) {
69 fMsgWindow=tgw.fMsgWindow; fCommand=tgw.fCommand; } return *this; }
70 Int_t SetFlags(Int_t flags) { return fWidgetFlags |= flags; }
71 Int_t ClearFlags(Int_t flags) { return fWidgetFlags &= ~flags; }
72
73public:
75 fWidgetId(-1), fWidgetFlags(0), fMsgWindow(0), fCommand() { }
78 virtual ~TGWidget() { }
79
80 Int_t WidgetId() const { return fWidgetId; }
81 Bool_t IsEnabled() const { return (Bool_t)((fWidgetFlags & kWidgetIsEnabled) != 0); }
82 Bool_t HasFocus() const { return (Bool_t)((fWidgetFlags & kWidgetHasFocus) != 0); }
83 Bool_t WantFocus() const { return (Bool_t)((fWidgetFlags & kWidgetWantFocus) != 0); }
84 virtual void Associate(const TGWindow *w) { fMsgWindow = w; }
85 virtual void SetCommand(const char *command) { fCommand = command; }
86 const char *GetCommand() const { return fCommand.Data(); }
87
88 ClassDef(TGWidget,0) // Widget base class
89};
90
91#endif
int Int_t
Definition: RtypesCore.h:43
bool Bool_t
Definition: RtypesCore.h:61
#define ClassDef(name, id)
Definition: Rtypes.h:322
#define BIT(n)
Definition: Rtypes.h:83
ETextJustification
Definition: TGWidget.h:33
@ kTextCenterX
Definition: TGWidget.h:36
@ kTextLeft
Definition: TGWidget.h:34
@ kTextBottom
Definition: TGWidget.h:38
@ kTextTop
Definition: TGWidget.h:37
@ kTextRight
Definition: TGWidget.h:35
@ kTextCenterY
Definition: TGWidget.h:39
EWidgetStatus
Definition: TGWidget.h:45
@ kWidgetIsEnabled
Definition: TGWidget.h:48
@ kWidgetWantFocus
Definition: TGWidget.h:46
@ kWidgetHasFocus
Definition: TGWidget.h:47
XFontStruct * id
Definition: TGX11.cxx:108
Int_t fWidgetId
Definition: TGWidget.h:58
virtual void Associate(const TGWindow *w)
Definition: TGWidget.h:84
TGWidget(Int_t id)
Definition: TGWidget.h:76
TString fCommand
Definition: TGWidget.h:61
const char * GetCommand() const
Definition: TGWidget.h:86
Bool_t HasFocus() const
Definition: TGWidget.h:82
Int_t ClearFlags(Int_t flags)
Definition: TGWidget.h:71
virtual ~TGWidget()
Definition: TGWidget.h:78
Int_t fWidgetFlags
Definition: TGWidget.h:59
Int_t SetFlags(Int_t flags)
Definition: TGWidget.h:70
TGWidget()
Definition: TGWidget.h:74
const TGWindow * fMsgWindow
Definition: TGWidget.h:60
Bool_t IsEnabled() const
Definition: TGWidget.h:81
TGWidget & operator=(const TGWidget &tgw)
Definition: TGWidget.h:66
TGWidget(const TGWidget &tgw)
Definition: TGWidget.h:63
virtual void SetCommand(const char *command)
Definition: TGWidget.h:85
Int_t WidgetId() const
Definition: TGWidget.h:80
Bool_t WantFocus() const
Definition: TGWidget.h:83
Basic string class.
Definition: TString.h:131
const char * Data() const
Definition: TString.h:364