/usr/include/root/TGCanvas.h is in libroot-gui-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 | // @(#)root/gui:$Id$
// Author: Fons Rademakers 11/01/98
/*************************************************************************
* 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_TGCanvas
#define ROOT_TGCanvas
//////////////////////////////////////////////////////////////////////////
// //
// TGCanvas and TGViewPort and TGContainer //
// //
// A TGCanvas is a frame containing two scrollbars (horizontal and //
// vertical) and a viewport. The viewport acts as the window through //
// which we look at the contents of the container frame. //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TGFrame
#include "TGFrame.h"
#endif
class TGHScrollBar;
class TGVScrollBar;
class TGClient;
class TGViewPort;
class TGCanvas;
class TGFrameElement;
class TGContainerTimer;
class TGContainerKeyboardTimer;
class TGContainerScrollTimer;
class TGListView;
class TGPicture;
class TGRectangle;
class TGContainer : public TGCompositeFrame {
friend class TGViewPort;
friend class TGCanvas;
friend class TGContainerKeyboardTimer;
friend class TGContainerScrollTimer;
friend class TGListView;
protected:
TGViewPort *fViewPort; // container viewport
TGCanvas *fCanvas; // pointer to canvas
const TGWindow *fMsgWindow; // window handling container messages
TGFrameElement *fLastActiveEl; // last active item
Int_t fXp, fYp; // previous pointer position
Int_t fX0, fY0; // corner of rubber band box
Int_t fXf, fYf; // other corner of rubber band box
Bool_t fDragging; // true if in dragging mode
Int_t fTotal; // total items
Int_t fSelected; // number of selected items
TTimer *fScrollTimer; // autoscroll timer
Bool_t fOnMouseOver; // kTRUE when mouse pointer is over entry
Bool_t fLastDir; // direction of last search
Bool_t fLastCase; // case sensetivity of last search
Bool_t fLastSubstring; // substring search option of last search
TString fLastName; // the name of object of last search
TTimer *fKeyTimer; // keyboard timer
TString fKeyInput; // keyboard input (buffer)
Bool_t fKeyTimerActive;// kTRUE - keyboard timer is active
Bool_t fScrolling; // kTRUE - when scrolling is ON
Int_t fXDND, fYDND;
Bool_t fBdown;
TGRectangle fExposedRegion; // exposed area
static TGGC *fgLineGC;
static const TGGC &GetLineGC();
virtual void DoRedraw();
virtual void ActivateItem(TGFrameElement* el);
virtual void DeActivateItem(TGFrameElement* el);
virtual void SearchPattern();
virtual void OnAutoScroll();
virtual void RepeatSearch();
private:
TGContainer(const TGContainer&); // not implemented
TGContainer& operator=(const TGContainer&); // not implemented
public:
TGContainer(const TGWindow *p = 0, UInt_t w = 1, UInt_t h = 1,
UInt_t options = kSunkenFrame,
Pixel_t back = GetDefaultFrameBackground());
TGContainer(TGCanvas *p,UInt_t options = kSunkenFrame,
Pixel_t back = GetDefaultFrameBackground());
virtual ~TGContainer();
virtual void DrawRegion(Int_t x, Int_t y, UInt_t w, UInt_t h);
virtual void ClearViewPort();
virtual void Associate(const TGWindow *w) { fMsgWindow = w; }
virtual void AdjustPosition();
virtual void SetPagePosition(const TGPosition& pos);
virtual void SetPagePosition(Int_t x, Int_t y);
virtual void SetPageDimension(const TGDimension& dim);
virtual void SetPageDimension(UInt_t w, UInt_t h);
virtual void RemoveAll();
virtual void RemoveItem(TGFrame *item);
virtual void Layout();
TGCanvas *GetCanvas() const { return fCanvas; }
const TGWindow *GetMessageWindow() const { return fMsgWindow; }
virtual TGPosition GetPagePosition() const;
virtual TGDimension GetPageDimension() const;
virtual Int_t NumSelected() const { return fSelected; }
virtual Int_t NumItems() const { return fTotal; }
virtual TGFrameElement *FindFrame(Int_t x,Int_t y,Bool_t exclude=kTRUE);
virtual TGFrame *FindFrameByName(const char *name);
virtual TGHScrollBar *GetHScrollbar() const;
virtual TGVScrollBar *GetVScrollbar() const;
virtual void SetHsbPosition(Int_t newPos);
virtual void SetVsbPosition(Int_t newPos);
virtual void LineUp(Bool_t select = kFALSE);
virtual void LineDown(Bool_t select = kFALSE);
virtual void LineLeft(Bool_t select = kFALSE);
virtual void LineRight(Bool_t select = kFALSE);
virtual void PageUp(Bool_t select = kFALSE);
virtual void PageDown(Bool_t select = kFALSE);
virtual void Home(Bool_t select = kFALSE);
virtual void End(Bool_t select = kFALSE);
virtual void Search(Bool_t close = kTRUE);
virtual void *FindItem(const TString& name,
Bool_t direction = kTRUE,
Bool_t caseSensitive = kTRUE,
Bool_t subString = kFALSE);
virtual const TGFrame *GetNextSelected(void **current);
virtual TGFrame *GetLastActive() const { return fLastActiveEl ? fLastActiveEl->fFrame : 0; }
virtual void SavePrimitive(ostream &out, Option_t *option = "");
virtual Bool_t HandleDNDFinished() { fBdown = kFALSE; return kTRUE; }
virtual Bool_t HandleExpose(Event_t *event);
virtual Bool_t HandleButton(Event_t *event);
virtual Bool_t HandleDoubleClick(Event_t *event);
virtual Bool_t HandleMotion(Event_t *event);
virtual Bool_t HandleKey(Event_t *event);
const TGPicture *GetObjPicture(TGFrame *f);
virtual void SetDragPixmap(const TGPicture *pic);
virtual void SelectAll(); //*SIGNAL*
virtual void UnSelectAll(); //*SIGNAL*
virtual void InvertSelection(); //*SIGNAL*
virtual void ReturnPressed(TGFrame*); //*SIGNAL*
virtual void SpacePressed(TGFrame*); //*SIGNAL*
virtual void KeyPressed(TGFrame*, UInt_t keysym, UInt_t mask); //*SIGNAL*
virtual void OnMouseOver(TGFrame*); //*SIGNAL*
virtual void CurrentChanged(Int_t x,Int_t y);//*SIGNAL*
virtual void CurrentChanged(TGFrame* f); //*SIGNAL*
virtual void Clicked(TGFrame *f, Int_t btn); //*SIGNAL*
virtual void DoubleClicked(TGFrame *f, Int_t btn); //*SIGNAL*
virtual void DoubleClicked(TGFrame *f, Int_t btn, Int_t x, Int_t y); //*SIGNAL*
virtual void Clicked(TGFrame *f, Int_t btn, Int_t x, Int_t y); //*SIGNAL*
ClassDef(TGContainer,0) // Canvas container
};
class TGViewPort : public TGCompositeFrame {
protected:
Int_t fX0, fY0; // position of container frame in viewport
TGFrame *fContainer; // container frame
private:
TGViewPort(const TGViewPort&); // not implemented
TGViewPort& operator=(const TGViewPort&); // not implemented
public:
TGViewPort(const TGWindow *p = 0, UInt_t w = 1, UInt_t h = 1,
UInt_t options = kChildFrame,
Pixel_t back = GetDefaultFrameBackground());
TGFrame *GetContainer() const { return fContainer; }
void SetContainer(TGFrame *f);
virtual void DrawBorder() { };
virtual void Layout() { }
virtual TGDimension GetDefaultSize() const { return TGDimension(fWidth, fHeight); }
virtual void SetHPos(Int_t xpos);
virtual void SetVPos(Int_t ypos);
void SetPos(Int_t xpos, Int_t ypos);
Int_t GetHPos() const { return fX0; }
Int_t GetVPos() const { return fY0; }
virtual Bool_t HandleConfigureNotify(Event_t *event);
ClassDef(TGViewPort,0) // Viewport through which to look at a container frame
};
class TGCanvas : public TGFrame {
protected:
TGViewPort *fVport; // viewport through which we look at contents
TGHScrollBar *fHScrollbar; // horizontal scrollbar
TGVScrollBar *fVScrollbar; // vertical scrollbar
Int_t fScrolling; // flag which scrolling modes are allowed
private:
TGCanvas(const TGCanvas&); // not implemented
TGCanvas& operator=(const TGCanvas&); // not implemented
public:
enum { kCanvasNoScroll = 0,
kCanvasScrollHorizontal = BIT(0),
kCanvasScrollVertical = BIT(1),
kCanvasScrollBoth = (kCanvasScrollHorizontal | kCanvasScrollVertical)
};
TGCanvas(const TGWindow *p = 0, UInt_t w = 1, UInt_t h = 1,
UInt_t options = kSunkenFrame | kDoubleBorder,
Pixel_t back = GetDefaultFrameBackground());
virtual ~TGCanvas();
TGFrame *GetContainer() const { return fVport->GetContainer(); }
TGViewPort *GetViewPort() const { return fVport; }
TGHScrollBar *GetHScrollbar() const { return fHScrollbar; }
TGVScrollBar *GetVScrollbar() const { return fVScrollbar; }
virtual void AddFrame(TGFrame *f, TGLayoutHints *l = 0);
virtual void SetContainer(TGFrame *f) { fVport->SetContainer(f); }
virtual void MapSubwindows();
virtual void DrawBorder();
virtual void Layout();
virtual void ClearViewPort();
virtual Int_t GetHsbPosition() const;
virtual Int_t GetVsbPosition() const;
virtual void SetHsbPosition(Int_t newPos);
virtual void SetVsbPosition(Int_t newPos);
void SetScrolling(Int_t scrolling);
Int_t GetScrolling() const { return fScrolling; }
virtual TGDimension GetDefaultSize() const { return TGDimension(fWidth, fHeight); }
virtual Bool_t ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2);
virtual void SavePrimitive(ostream &out, Option_t *option = "");
ClassDef(TGCanvas,0) // A canvas with two scrollbars and a viewport
};
#endif
|