5 #include "XGUI_Constants.h"
11 #include <V3d_Viewer.hxx>
12 #include <AIS_InteractiveContext.hxx>
13 #include <AIS_Trihedron.hxx>
14 #include <NCollection_List.hxx>
15 #include <TopoDS_Shape.hxx>
19 class XGUI_MainWindow;
21 class XGUI_ViewWindow;
25 class AIS_ListOfInteractive;
29 * \brief Represents a 3d viewer. The viewer manages 3d scene and a set of view windows
30 * when each of view window is a one point of view on this scene.
32 class XGUI_EXPORT XGUI_Viewer: public QObject
36 static QString backgroundData(QStringList&, QIntList&, QIntList&);
38 XGUI_Viewer(XGUI_MainWindow* theParent, bool DisplayTrihedron = true);
41 //! Creates a new view window
42 QMdiSubWindow* createView(V3d_TypeOfView theType = V3d_ORTHOGRAPHIC);
44 //! Return pointer on a main window - parent of the Viewer
45 XGUI_MainWindow* mainWindow() const
50 //! Returns OCCT object which manages 3d scene
51 Handle(V3d_Viewer) v3dViewer() const
56 //! Returns OCCT object which manages displaying and selection in 3d scene
57 Handle(AIS_InteractiveContext) AISContext() const
62 //! Returns an active view window or NULL
63 XGUI_ViewWindow* activeViewWindow() const;
65 /// Return objects selected in 3D viewer
66 /// \param theList - list to be filled with selected objects
67 void getSelectedObjects(AIS_ListOfInteractive& theList);
69 /// Return shapes selected in 3D viewer
70 /// \param theList - list to be filled with selected shapes
71 void getSelectedShapes(NCollection_List<TopoDS_Shape>& theList);
73 /// Selects objects in 3D viewer. Other selected objects are left as selected
74 /// \param theList - list objects to be selected
75 void setObjectsSelected(const AIS_ListOfInteractive& theList);
77 /// Returns true if selection in the viewer is enabled
78 bool isSelectionEnabled() const { return mySelectionEnabled; }
80 /// Enable or disable selectioon in the viewer
81 // \param toEnable - true or false (enable or disable selection)
82 void setSelectionEnabled(bool toEnable);
84 /// Returns true if multi-selection in the viewer is enabled
85 bool isMultiSelectionEnabled() const { return myMultiSelectionEnabled; }
87 /// Enable or disable selectioon in the viewer
88 // \param toEnable - true or false (enable or disable selection)
89 void setMultiSelectionEnabled(bool toEnable);
91 /// Select the object in 3D viewer.
92 /// \param theIO - list objects to be selected
93 void setSelected(const Handle(AIS_InteractiveObject)& theIO) { myAISContext->SetSelected(theIO); }
95 //! Trihedron 3d object shown in the viewer
96 Handle(AIS_Trihedron) trihedron() const
101 //! On/Off visibility of the trihedron object
102 void toggleTrihedron();
104 //! Returns true if trihedron is visible
105 bool isTrihedronVisible() const;
107 //! Returns true if trihedron is visible
108 void setTrihedronShown(bool on);
110 //! Returns trihedron size
111 double trihedronSize() const;
113 //! Sets trihedron size
114 void setTrihedronSize(const double sz, bool isRelative);
116 bool trihedronRelative() const
121 void updateTrihedron();
123 //! Compute trihedron size dependent on 3d scene size
124 bool computeTrihedronSize(double& theNewSize, double& theSize);
126 static void setHotButton(XGUI::InteractionStyle theInteractionStyle, XGUI::HotOperation theOper,
127 Qt::KeyboardModifiers theState, Qt::MouseButtons theButton);
128 static void getHotButton(XGUI::InteractionStyle theInteractionStyle, XGUI::HotOperation theOper,
129 Qt::KeyboardModifiers& theState, Qt::MouseButtons& theButton);
131 typedef QMap<XGUI::HotOperation, Qt::KeyboardModifiers> StatesMap;
132 typedef QMap<XGUI::HotOperation, Qt::MouseButtons> ButtonsMap;
134 typedef QMap<XGUI::InteractionStyle, StatesMap> InteractionStyle2StatesMap;
135 typedef QMap<XGUI::InteractionStyle, ButtonsMap> InteractionStyle2ButtonsMap;
137 static InteractionStyle2StatesMap myStateMap;
138 static InteractionStyle2ButtonsMap myButtonMap;
141 void lastViewClosed();
142 void tryCloseView(XGUI_ViewWindow* theWindow);
143 void deleteView(XGUI_ViewWindow* theWindow);
144 void viewCreated(XGUI_ViewWindow* theWindow);
145 void mousePress(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
146 void mouseRelease(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
147 void mouseDoubleClick(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
148 void mouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
149 void keyPress(XGUI_ViewWindow* theWindow, QKeyEvent* theEvent);
150 void keyRelease(XGUI_ViewWindow* theWindow, QKeyEvent* theEvent);
151 void activated(XGUI_ViewWindow* theWindow);
152 void selectionChanged();
155 void onWindowMinimized(QMdiSubWindow*);
156 void onWindowActivated(QMdiSubWindow*);
159 void onViewClosed(QMdiSubWindow*);
160 void onMouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
161 void onMouseReleased(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
162 void onMousePressed(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
165 void addView(QMdiSubWindow* theView);
167 /*! Removes the View from internal Views list.*/
168 void removeView(QMdiSubWindow* theView);
170 void updateViewsDrawMode() const;
173 XGUI_MainWindow* myMainWindow;
175 Handle(V3d_Viewer) myV3dViewer;
176 Handle(AIS_Trihedron) myTrihedron;
177 Handle(AIS_InteractiveContext) myAISContext;
179 XGUI::InteractionStyle myInteractionStyle;
181 bool myPreselectionEnabled;
182 bool mySelectionEnabled;
183 bool myMultiSelectionEnabled;
186 double myTrihedronSize;
188 QList<QMdiSubWindow*> myViews;
190 QMdiSubWindow* myActiveView;
192 /// Points used for selection management
193 QPoint myStartPnt, myEndPnt, myCurPnt;
195 // A counter of created windows