+
+/*!
+ SLOT: called on mouse button press, stores current mouse position as start point for transformations
+ */
+void XGUI_Viewer::onMousePressed(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
+{
+ myStartPnt.setX(theEvent->x());
+ myStartPnt.setY(theEvent->y());
+ emit mousePress(theWindow, theEvent);
+}
+
+/*!
+ SLOT: called on mouse move, processes hilighting
+ */
+void XGUI_Viewer::onMouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
+{
+ myCurPnt.setX(theEvent->x());
+ myCurPnt.setY(theEvent->y());
+ if (!mySelectionEnabled)
+ return;
+
+ Handle(V3d_View) aView3d = theWindow->viewPort()->getView();
+ if (!aView3d.IsNull()) {
+ myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView3d);
+ if (myAISContext->HasDetected())
+ theWindow->viewPort()->setFocus(Qt::MouseFocusReason);
+ }
+}
+
+/*!
+ SLOT: called on mouse button release, finishes selection
+ */
+void XGUI_Viewer::onMouseReleased(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
+{
+ if (!mySelectionEnabled || theEvent->button() != Qt::LeftButton) {
+ emit mouseRelease(theWindow, theEvent);
+ return;
+ }
+
+ myEndPnt.setX(theEvent->x());
+ myEndPnt.setY(theEvent->y());
+ bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
+
+ //if (!aHasShift)
+ // emit deselection();
+
+ if (myStartPnt == myEndPnt) {
+ // the MoveTo is necessary for the second click in the same point. Otherwise the selection is lost.
+ //Handle(V3d_View) aView3d = theWindow->viewPort()->getView();
+ //if (!aView3d.IsNull()) {
+ // myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView3d);
+ //}
+ if (aHasShift && myMultiSelectionEnabled)
+ myAISContext->ShiftSelect();
+ else
+ myAISContext->Select();
+ } else {
+ if (aHasShift && myMultiSelectionEnabled)
+ myAISContext->ShiftSelect(myStartPnt.x(), myStartPnt.y(), myEndPnt.x(), myEndPnt.y(),
+ theWindow->viewPort()->getView(), false);
+ else
+ myAISContext->Select(myStartPnt.x(), myStartPnt.y(), myEndPnt.x(), myEndPnt.y(),
+ theWindow->viewPort()->getView(), false);
+
+ int Nb = myAISContext->NbSelected();
+ if (Nb > 1 && !myMultiSelectionEnabled) {
+ myAISContext->InitSelected();
+ Handle( SelectMgr_EntityOwner ) anOwner = myAISContext->SelectedOwner();
+ if (!anOwner.IsNull()) {
+ myAISContext->ClearSelected( Standard_False);
+ myAISContext->AddOrRemoveSelected(anOwner, Standard_False);
+ }
+ }
+
+ myAISContext->UpdateCurrentViewer();
+ }
+ emit mouseRelease(theWindow, theEvent);
+ emit selectionChanged();
+}
+
+//******************************************************
+void XGUI_Viewer::setMultiSelectionEnabled(bool toEnable)
+{
+ myMultiSelectionEnabled = toEnable;
+ updateViewsDrawMode();
+}
+
+//******************************************************
+void XGUI_Viewer::setSelectionEnabled(bool toEnable)
+{
+ mySelectionEnabled = toEnable;
+ updateViewsDrawMode();
+}
+
+//******************************************************
+void XGUI_Viewer::updateViewsDrawMode() const
+{
+ foreach(QMdiSubWindow* aWnd, myViews)
+ {
+ XGUI_ViewWindow* aView = static_cast<XGUI_ViewWindow*>(aWnd->widget());
+ aView->updateEnabledDrawMode();
+ }
+}
+
+//******************************************************
+void XGUI_Viewer::onKeyRelease(XGUI_ViewWindow* theView, QKeyEvent* theKey)
+{
+ Handle(V3d_View) aView = theView->viewPort()->getView();
+ bool noModifiers = (theKey->modifiers() == Qt::NoModifier);
+ if ((theKey->key() == Qt::Key_N) && noModifiers) {
+ myAISContext->HilightNextDetected(aView);
+ } else if ((theKey->key() == Qt::Key_P) && noModifiers) {
+ myAISContext->HilightPreviousDetected(aView);
+ } else {
+ emit keyRelease(theView, theKey);
+ }
+}
+
+//******************************************************
+//void XGUI_Viewer::onContextMenuRequested(QContextMenuEvent* theEvent)
+//{
+// XGUI_ViewWindow* aWnd = dynamic_cast<XGUI_ViewWindow*>(sender());
+// if (!aWnd) return;
+//
+// QMenu aMenu;
+//
+// // Include Viewer actions
+// if (myActions.size() > 0) {
+// aMenu.addActions(myActions);
+// aMenu.addSeparator();
+// }
+// if (aWnd->actions().size() > 0) {
+// aMenu.addActions(aWnd->actions());
+// aMenu.addSeparator();
+// }
+//
+// QMdiArea* aMDI = myMainWindow->mdiArea();
+// if (aMenu.actions().size() > 0) {
+// QMenu* aSubMenu = aMenu.addMenu(tr("Windows"));
+// aSubMenu->addActions(aMDI->actions());
+// } else {
+// aMenu.addActions(aMDI->actions());
+// }
+// aMenu.exec(theEvent->globalPos());
+//}