From: asl <asl@opencascade.com>
Date: Thu, 18 Mar 2010 10:27:36 +0000 (+0000)
Subject: enable state for transformation is implemented: now it is possible to disable some... 
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=1e013ffd02053eeaeccc0c39c09d935b3cda3e7a;p=modules%2Fgui.git

enable state for transformation is implemented: now it is possible to disable some transformations, for example, rotation
---

diff --git a/src/OCCViewer/OCCViewer_ViewWindow.cxx b/src/OCCViewer/OCCViewer_ViewWindow.cxx
index 65f1bc061..0ae1fca27 100755
--- a/src/OCCViewer/OCCViewer_ViewWindow.cxx
+++ b/src/OCCViewer/OCCViewer_ViewWindow.cxx
@@ -468,8 +468,8 @@ void OCCViewer_ViewWindow::activateZoom()
   if ( myOperation != ZOOMVIEW ) {
     QPixmap zoomPixmap (imageZoomCursor);
     QCursor zoomCursor (zoomPixmap);
-    setTransformRequested ( ZOOMVIEW );
-    myViewPort->setCursor( zoomCursor );
+    if( setTransformRequested ( ZOOMVIEW ) )
+      myViewPort->setCursor( zoomCursor );
   }
 }
 
@@ -486,8 +486,8 @@ void OCCViewer_ViewWindow::activatePanning()
 
   if ( myOperation != PANVIEW ) {
     QCursor panCursor (Qt::SizeAllCursor);
-    setTransformRequested ( PANVIEW );
-    myViewPort->setCursor( panCursor );
+    if( setTransformRequested ( PANVIEW ) )
+      myViewPort->setCursor( panCursor );
   }
 }
 
@@ -504,8 +504,8 @@ void OCCViewer_ViewWindow::activateRotation()
   if ( myOperation != ROTATE ) {
     QPixmap rotatePixmap (imageRotateCursor);
     QCursor rotCursor (rotatePixmap);
-    setTransformRequested ( ROTATE );
-    myViewPort->setCursor( rotCursor );
+    if( setTransformRequested ( ROTATE ) )
+      myViewPort->setCursor( rotCursor );
   }
 }
 
@@ -693,8 +693,8 @@ void OCCViewer_ViewWindow::activateGlobalPanning()
     aView3d->FitAll(0.01, false);
     myCursor = cursor();                // save old cursor
     myViewPort->fitAll(); // fits view before selecting a new scene center
-    setTransformRequested( PANGLOBAL );
-    myViewPort->setCursor( glPanCursor );
+    if( setTransformRequested( PANGLOBAL ) )
+      myViewPort->setCursor( glPanCursor );
   }
 }
 
@@ -710,22 +710,25 @@ void OCCViewer_ViewWindow::activateWindowFit()
 
   if ( myOperation != WINDOWFIT ) {
     QCursor handCursor (Qt::PointingHandCursor);
-    setTransformRequested ( WINDOWFIT );
-    myViewPort->setCursor ( handCursor );
-    myCursorIsHand = true;
+    if( setTransformRequested ( WINDOWFIT ) )
+    {
+      myViewPort->setCursor ( handCursor );
+      myCursorIsHand = true;
+    }
   }
 }
 
 /*!
   \brief Start delayed viewer operation.
 */
-void OCCViewer_ViewWindow::setTransformRequested( OperationType op )
+bool OCCViewer_ViewWindow::setTransformRequested( OperationType op )
 {
-  myOperation = op;
-  myViewPort->setMouseTracking( myOperation == NOTHING );
+  bool ok = transformEnabled( op );
+  myOperation = ok ? op : NOTHING;
+  myViewPort->setMouseTracking( myOperation == NOTHING );  
+  return ok;
 }
 
-
 /*!
   \brief Handle mouse move event.
   \param theEvent mouse event
@@ -1907,3 +1910,23 @@ void OCCViewer_ViewWindow::setTransformInProcess( bool bOn )
 {
   myEventStarted = bOn;
 }
+
+/*!
+  Set enabled state of transformation (rotate, zoom, etc)
+*/
+void OCCViewer_ViewWindow::setTransformEnabled( const OperationType id, const bool on )
+{
+  if( id==NOTHING )
+    return;
+  myStatus.insert( id, on );
+}
+
+/*!
+  \return enabled state of transformation (rotate, zoom, etc)
+*/
+bool OCCViewer_ViewWindow::transformEnabled( const OperationType id ) const
+{
+  if( myStatus.contains( id ) )
+    return myStatus[ id ];
+  return true;
+}
diff --git a/src/OCCViewer/OCCViewer_ViewWindow.h b/src/OCCViewer/OCCViewer_ViewWindow.h
index 15fd3b61a..182fadbfc 100755
--- a/src/OCCViewer/OCCViewer_ViewWindow.h
+++ b/src/OCCViewer/OCCViewer_ViewWindow.h
@@ -88,6 +88,9 @@ public:
   int                     interactionStyle() const;
   void                    setInteractionStyle( const int );
  
+  void setTransformEnabled( const OperationType, const bool );
+  bool transformEnabled( const OperationType ) const;
+
 public slots:
   void onFrontView();
   void onViewFitAll();
@@ -138,7 +141,7 @@ protected:
 
   /* Transformation selected but not started yet */
   bool transformRequested() const;
-  void setTransformRequested ( OperationType );
+  bool setTransformRequested ( OperationType );
 
   /* Transformation is selected and already started */
   bool          transformInProcess() const;
@@ -209,6 +212,9 @@ private:
   QtxRectRubberBand* myRectBand; //!< selection rectangle rubber band
 
   int myInteractionStyle;
+
+  typedef QMap<OperationType, bool> MapOfTransformStatus;
+  MapOfTransformStatus myStatus;
 };
 
 #ifdef WIN32