-
#ifndef XGUI_Viewer_H
#define XGUI_Viewer_H
+#include "XGUI.h"
+#include "XGUI_Constants.h"
+#include <ModuleBase_Definitions.h>
+
#include <QObject>
+#include <QMap>
+#include <QList>
+#include <QPoint>
+#include <QAction>
+
#include <V3d_Viewer.hxx>
#include <AIS_InteractiveContext.hxx>
#include <AIS_Trihedron.hxx>
+#include <NCollection_List.hxx>
+#include <TopoDS_Shape.hxx>
+
class XGUI_MainWindow;
class QMdiSubWindow;
+class XGUI_ViewWindow;
+class QMouseEvent;
+class QKeyEvent;
+
+class AIS_ListOfInteractive;
-class XGUI_Viewer : public QObject
+/**\class XGUI_Viewer
+ * \ingroup GUI
+ * \brief Represents a 3d viewer. The viewer manages 3d scene and a set of view windows
+ * when each of view window is a one point of view on this scene.
+ */
+class XGUI_EXPORT XGUI_Viewer: public QObject
{
- Q_OBJECT
+Q_OBJECT
public:
- enum {
- HorizontalGradient, VerticalGradient,
- Diagonal1Gradient, Diagonal2Gradient,
- Corner1Gradient, Corner2Gradient,
- Corner3Gradient, Corner4Gradient,
- LastGradient = Corner4Gradient
- };
+ static QString backgroundData(QStringList&, QIntList&, QIntList&);
+
+ XGUI_Viewer(XGUI_MainWindow* theParent, bool DisplayTrihedron = true);
+ ~XGUI_Viewer();
+
+ //! Creates a new view window
+ QMdiSubWindow* createView(V3d_TypeOfView theType = V3d_ORTHOGRAPHIC);
+
+ //! Return pointer on a main window - parent of the Viewer
+ XGUI_MainWindow* mainWindow() const
+ {
+ return myMainWindow;
+ }
+
+ //! Returns OCCT object which manages 3d scene
+ Handle(V3d_Viewer) v3dViewer() const
+ {
+ return myV3dViewer;
+ }
+
+ //! Returns OCCT object which manages displaying and selection in 3d scene
+ Handle(AIS_InteractiveContext) AISContext() const
+ {
+ return myAISContext;
+ }
+
+ //! Returns an active view window or NULL
+ XGUI_ViewWindow* activeViewWindow() const;
+
+ /// Return objects selected in 3D viewer
+ /// \param theList - list to be filled with selected objects
+ void getSelectedObjects(AIS_ListOfInteractive& theList);
+
+ /// Return shapes selected in 3D viewer
+ /// \param theList - list to be filled with selected shapes
+ void getSelectedShapes(NCollection_List<TopoDS_Shape>& theList);
+
+ /// Selects objects in 3D viewer. Other selected objects are left as selected
+ /// \param theList - list objects to be selected
+ void setObjectsSelected(const AIS_ListOfInteractive& theList);
+
+ /// Returns true if selection in the viewer is enabled
+ bool isSelectionEnabled() const { return mySelectionEnabled; }
+
+ /// Enable or disable selectioon in the viewer
+ // \param toEnable - true or false (enable or disable selection)
+ void setSelectionEnabled(bool toEnable);
+
+ /// Returns true if multi-selection in the viewer is enabled
+ bool isMultiSelectionEnabled() const { return myMultiSelectionEnabled; }
+
+ /// Enable or disable selectioon in the viewer
+ // \param toEnable - true or false (enable or disable selection)
+ void setMultiSelectionEnabled(bool toEnable);
+
+ /// Select the object in 3D viewer.
+ /// \param theIO - list objects to be selected
+ void setSelected(const Handle(AIS_InteractiveObject)& theIO) { myAISContext->SetSelected(theIO); }
+
+ //! Trihedron 3d object shown in the viewer
+ Handle(AIS_Trihedron) trihedron() const
+ {
+ return myTrihedron;
+ }
+
+ //! On/Off visibility of the trihedron object
+ void toggleTrihedron();
+
+ //! Returns true if trihedron is visible
+ bool isTrihedronVisible() const;
- XGUI_Viewer(XGUI_MainWindow* theParent);
- ~XGUI_Viewer();
+ //! Returns true if trihedron is visible
+ void setTrihedronShown(bool on);
- QMdiSubWindow* createView(V3d_TypeOfView theType = V3d_ORTHOGRAPHIC);
+ //! Returns trihedron size
+ double trihedronSize() const;
- XGUI_MainWindow* mainWindow() const { return myMainWindow; }
+ //! Sets trihedron size
+ void setTrihedronSize(const double sz, bool isRelative);
- Handle(V3d_Viewer) v3dViewer() const { return myV3dViewer; }
+ bool trihedronRelative() const
+ {
+ return myIsRelative;
+ }
+ //! Update trihedron
+ void updateTrihedron();
+
+ //! Compute trihedron size dependent on 3d scene size
+ bool computeTrihedronSize(double& theNewSize, double& theSize);
+
+ //! Add action to the viewer
+ void addAction(QAction* theAction) { myActions.append(theAction); }
+
+
+ static void setHotButton(XGUI::InteractionStyle theInteractionStyle, XGUI::HotOperation theOper,
+ Qt::KeyboardModifiers theState, Qt::MouseButtons theButton);
+ static void getHotButton(XGUI::InteractionStyle theInteractionStyle, XGUI::HotOperation theOper,
+ Qt::KeyboardModifiers& theState, Qt::MouseButtons& theButton);
+
+ typedef QMap<XGUI::HotOperation, Qt::KeyboardModifiers> StatesMap;
+ typedef QMap<XGUI::HotOperation, Qt::MouseButtons> ButtonsMap;
+
+ typedef QMap<XGUI::InteractionStyle, StatesMap> InteractionStyle2StatesMap;
+ typedef QMap<XGUI::InteractionStyle, ButtonsMap> InteractionStyle2ButtonsMap;
+
+ static InteractionStyle2StatesMap myStateMap;
+ static InteractionStyle2ButtonsMap myButtonMap;
+
+signals:
+ void lastViewClosed();
+ void tryCloseView(XGUI_ViewWindow* theWindow);
+ void deleteView(XGUI_ViewWindow* theWindow);
+ void viewCreated(XGUI_ViewWindow* theWindow);
+ void mousePress(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
+ void mouseRelease(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
+ void mouseDoubleClick(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
+ void mouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
+ void keyPress(XGUI_ViewWindow* theWindow, QKeyEvent* theEvent);
+ void keyRelease(XGUI_ViewWindow* theWindow, QKeyEvent* theEvent);
+ void activated(XGUI_ViewWindow* theWindow);
+ void selectionChanged();
+
+ void contextMenuRequested(QContextMenuEvent*);
+
+public slots:
+ void onWindowMinimized(QMdiSubWindow*);
+ void onWindowActivated(QMdiSubWindow*);
+
+private slots:
+ void onViewClosed(QMdiSubWindow*);
+ void onMouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
+ void onMouseReleased(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
+ void onMousePressed(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
+ //void onContextMenuRequested(QContextMenuEvent* theEvent);
private:
- XGUI_MainWindow* myMainWindow;
+ void addView(QMdiSubWindow* theView);
+
+ /*! Removes the View from internal Views list.*/
+ void removeView(QMdiSubWindow* theView);
+
+ void updateViewsDrawMode() const;
+
+private:
+ XGUI_MainWindow* myMainWindow;
+
+ Handle(V3d_Viewer) myV3dViewer;
+ Handle(AIS_Trihedron) myTrihedron;
+ Handle(AIS_InteractiveContext) myAISContext;
+
+ XGUI::InteractionStyle myInteractionStyle;
+
+ bool myPreselectionEnabled;
+ bool mySelectionEnabled;
+ bool myMultiSelectionEnabled;
+ bool myIsRelative;
+
+ double myTrihedronSize;
+
+ QList<QMdiSubWindow*> myViews;
+
+ QMdiSubWindow* myActiveView;
+
+ /// Points used for selection management
+ QPoint myStartPnt, myEndPnt, myCurPnt;
+
+ /// A counter of created windows
+ int myWndIdCount;
- Handle(V3d_Viewer) myV3dViewer;
- Handle(AIS_Trihedron) myTrihedron;
- Handle(AIS_InteractiveContext) myAISContext;
+ /// List of Viewer actions
+ QList<QAction*> myActions;
};
-#endif
\ No newline at end of file
+#endif
