qt4/Go4QtRoot/QRootCanvas.h
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00001 // $Id: QRootCanvas.h 1196 2014-04-10 14:06:24Z linev $ 00002 //----------------------------------------------------------------------- 00003 // The GSI Online Offline Object Oriented (Go4) Project 00004 // Experiment Data Processing at EE department, GSI 00005 //----------------------------------------------------------------------- 00006 // Copyright (C) 2000- GSI Helmholtzzentrum für Schwerionenforschung GmbH 00007 // Planckstr. 1, 64291 Darmstadt, Germany 00008 // Contact: http://go4.gsi.de 00009 //----------------------------------------------------------------------- 00010 // This software can be used under the license agreements as stated 00011 // in Go4License.txt file which is part of the distribution. 00012 //----------------------------------------------------------------------- 00013 00014 #ifndef QROOTCANVAS_H 00015 #define QROOTCANVAS_H 00016 00017 #include <QWidget> 00018 00019 00020 #ifdef WIN32 00021 00022 #ifdef GO4_EXPORT 00023 #define GO4_CLASS_EXPORT __declspec(dllexport) 00024 #else 00025 #define GO4_CLASS_EXPORT __declspec(dllimport) 00026 #endif 00027 00028 #else 00029 00030 #define GO4_CLASS_EXPORT 00031 00032 #endif 00033 00034 00035 #ifdef WIN32 00036 #define QDESIGNER_WIDGET_EXPORT GO4_CLASS_EXPORT 00037 #else 00038 #include <QtDesigner/QDesignerExportWidget> 00039 #endif 00040 00041 #include "Rtypes.h" 00042 #include "Gtypes.h" 00043 #include "Buttons.h" 00044 #include "TVirtualX.h" 00045 00046 class TObject; 00047 class TMethod; 00048 class TObjLink; 00049 class TVirtualPad; 00050 class TPad; 00051 class TCanvas; 00052 class TBrowser; 00053 class TContextMenu; 00054 class TControlBar; 00055 class TList; 00056 00057 class QSignalMapper; 00058 class QMenu; 00059 class QAction; 00060 class QTimer; 00061 00069 class QDESIGNER_WIDGET_EXPORT QRootCanvas : public QWidget { 00070 00071 Q_OBJECT 00072 00073 enum { act_Update = 1, act_Resize = 2 }; 00074 00075 public: 00076 QRootCanvas(QWidget *parent = 0); 00077 virtual ~QRootCanvas(); 00078 00079 TCanvas* getCanvas() { return fCanvas;} 00080 int getRootWid() { return fRootWindowId;} 00081 void setMaskDoubleClick(bool on=true) { fMaskDoubleClick = on; } 00082 00083 bool showEventStatus() const; 00084 void setShowEventStatus(bool s); 00085 00086 signals: 00089 void SelectedPadChanged(TPad*); 00090 00092 void PadClicked(TPad*); 00093 00095 void PadDoubleClicked(TPad*); 00096 00097 void MenuCommandExecuted(TObject*, const char*); 00098 00099 void CanvasStatusEvent(const char*); 00100 00101 void CanvasDropEvent(QDropEvent*, TPad*); 00102 00103 void CanvasLeaveEvent(); 00104 00105 void CanvasUpdated(); 00106 00107 public slots: 00108 00109 void cd(Int_t subpadnumber=0); 00110 virtual void Browse(TBrowser *b); 00111 void Clear(Option_t *option=""); 00112 void Close(Option_t *option=""); 00113 virtual void Draw(Option_t *option=""); 00114 virtual TObject *DrawClone(Option_t *option=""); 00115 virtual TObject *DrawClonePad(); 00116 virtual void EditorBar(); 00117 void EnterLeave(TPad *prevSelPad, TObject *prevSelObj); 00118 void FeedbackMode(Bool_t set); 00119 void Flush(); 00120 void UseCurrentStyle(); 00121 void ForceUpdate(); 00122 const char *GetDISPLAY(); 00123 TContextMenu *GetContextMenu(); 00124 Int_t GetDoubleBuffer(); 00125 TControlBar *GetEditorBar(); 00126 Int_t GetEvent(); 00127 Int_t GetEventX(); 00128 Int_t GetEventY(); 00129 Color_t GetHighLightColor(); 00130 TVirtualPad *GetPadSave(); 00131 TObject *GetSelected() ; 00132 Option_t *GetSelectedOpt(); 00133 TVirtualPad *GetSelectedPad(); 00134 Bool_t GetShowEventStatus(); 00135 Bool_t GetAutoExec(); 00136 Size_t GetXsizeUser(); 00137 Size_t GetYsizeUser(); 00138 Size_t GetXsizeReal(); 00139 Size_t GetYsizeReal(); 00140 Int_t GetCanvasID(); 00141 Int_t GetWindowTopX(); 00142 Int_t GetWindowTopY(); 00143 UInt_t GetWindowWidth(); 00144 UInt_t GetWindowHeight(); 00145 UInt_t GetWw(); 00146 UInt_t GetWh(); 00147 virtual void GetCanvasPar(Int_t &wtopx, Int_t &wtopy, UInt_t &ww, UInt_t &wh); 00148 virtual void HandleInput(EEventType button, Int_t x, Int_t y); 00149 Bool_t HasMenuBar(); 00150 void Iconify(); 00151 Bool_t IsBatch(); 00152 Bool_t IsRetained(); 00153 virtual void ls(Option_t *option=""); 00154 void Modified(Bool_t=1); 00155 void MoveOpaque(Int_t set=1); 00156 Bool_t OpaqueMoving() ; 00157 Bool_t OpaqueResizing() ; 00158 virtual void Paint(Option_t *option=""); 00159 virtual TPad *Pick(Int_t px, Int_t py, TObjLink *&pickobj); 00160 virtual TPad *Pick(Int_t px, Int_t py, TObject *prevSelObj); 00161 virtual void Resize(Option_t *option=""); 00162 void ResizeOpaque(Int_t set=1); 00163 void SaveSource(const char *filename="", Option_t *option=""); 00164 virtual void SetCursor(ECursor cursor); 00165 virtual void SetDoubleBuffer(Int_t mode=1); 00166 void SetWindowPosition(Int_t x, Int_t y); 00167 void SetWindowSize(UInt_t ww, UInt_t wh); 00168 void SetCanvasSize(UInt_t ww, UInt_t wh); 00169 void SetHighLightColor(Color_t col); 00170 void SetSelected(TObject *obj); 00171 void SetSelectedPad(TPad *pad); 00172 void Show(); 00173 virtual void Size(Float_t xsizeuser=0, Float_t ysizeuser=0); 00174 void SetBatch(Bool_t batch=kTRUE); 00175 void SetRetained(Bool_t retained=kTRUE); 00176 void SetTitle(const char *title=""); 00177 virtual void ToggleEventStatus(); 00178 virtual void ToggleAutoExec(); 00179 virtual void Update(); 00180 00181 void executeMenu(int id); 00182 void processRepaintTimer(); 00183 00184 protected: 00185 00186 virtual void dropEvent( QDropEvent *Event ); 00187 virtual void dragEnterEvent( QDragEnterEvent *e ); 00188 virtual void mousePressEvent( QMouseEvent *e ); 00189 virtual void mouseReleaseEvent( QMouseEvent *e ); 00190 virtual void resizeEvent( QResizeEvent *e ); 00191 virtual void paintEvent( QPaintEvent *e ); 00192 virtual void mouseDoubleClickEvent(QMouseEvent* e ); 00193 virtual void mouseMoveEvent(QMouseEvent *e); 00194 virtual void leaveEvent(QEvent *e); 00195 virtual void closeEvent( QCloseEvent * e); 00196 00197 virtual QPaintEngine * paintEngine () const {return 0;} 00198 00199 void methodDialog(TObject* object, TMethod* method); 00200 QAction* addMenuAction(QMenu* menu, QSignalMapper* map, const QString& text, int id); 00201 00202 void actiavteRepaint(int act); 00203 00204 TCanvas* fCanvas; 00205 Int_t fRootWindowId; 00206 WId fQtWindowId; // current id of embedded canvas (may change in Qt 4.4) 00207 QTimer* fRepaintTimer; // do not draw canvas immediately, postpone this on few miliseconds 00208 int fRepaintMode; // 0 - inactive, 1 - paint, 2 - resize, -1 - skip first repaint event 00209 private: 00210 bool fMaskDoubleClick; 00211 double fMousePosX; // mouse position in user coordinate when activate menu 00212 double fMousePosY; // mouse position in user coordinate when activate menu 00213 00214 TObject* fMenuObj; // object use to fill menu 00215 TList* fMenuMethods; // list of menu methods 00216 bool fxShowEventStatus; 00217 }; 00218 00219 #endif 00220 00221 00222 00223 00224 00225
