Fix for the bug #42: point C is not activated, but point C is shown in preview in...

[modules/hydro.git] / src / HYDROGUI / HYDROGUI_PrsImage.cxx

diff --git a/src/HYDROGUI/HYDROGUI_PrsImage.cxx b/src/HYDROGUI/HYDROGUI_PrsImage.cxx
index 4e8471e129b59eb97c172e05427742576a711f86..172f5f72b41b7b4a2edb7eac4b3f10631d03cef4 100644 (file)
--- a/src/HYDROGUI/HYDROGUI_PrsImage.cxx
+++ b/src/HYDROGUI/HYDROGUI_PrsImage.cxx
@@ -32,12 +32,13 @@
 // name    : HYDROGUI_PrsImage
 // Purpose : Constructor
 //=======================================================================
-HYDROGUI_PrsImage::HYDROGUI_PrsImage( const Handle(HYDROData_Object)& theObject )
+HYDROGUI_PrsImage::HYDROGUI_PrsImage( const Handle(HYDROData_Entity)& theObject )
 : HYDROGUI_Prs( theObject ),
   myPixmapItem( 0 ),
+  myCaptionItem( 0 ),
   myPrsImageFrame( 0 ),
   myIsTransformationPointPreview( false ),
-  myTransformationPointMode( None )
+  myTransformationPointType( None )
 {
   myTransformationPointCursor = new QCursor( Qt::CrossCursor );
 }
@@ -73,6 +74,30 @@ QImage HYDROGUI_PrsImage::getImage() const
   return myImage;
 }
 
+//================================================================
+// Function : setCaption
+// Purpose  : 
+//================================================================
+void HYDROGUI_PrsImage::setCaption( const QString& theCaption )
+{
+  if( myCaptionItem )
+  {
+    myCaptionItem->setText( theCaption );
+    myCaptionItem->setVisible( !theCaption.isEmpty() );
+  }
+}
+
+//================================================================
+// Function : getCaption
+// Purpose  : 
+//================================================================
+QString HYDROGUI_PrsImage::getCaption() const
+{
+  if( myCaptionItem )
+    return myCaptionItem->text();
+  return QString();
+}
+
 //================================================================
 // Function : setIsTransformationPointPreview
 // Purpose  : 
@@ -92,13 +117,13 @@ bool HYDROGUI_PrsImage::getIsTransformationPointPreview() const
 }
 
 //================================================================
-// Function : setTransformationPointMode
+// Function : setTransformationPointType
 // Purpose  : 
 //================================================================
-void HYDROGUI_PrsImage::setTransformationPointMode( const int theMode )
+void HYDROGUI_PrsImage::setTransformationPointType( const int thePointType )
 {
-  myTransformationPointMode = theMode;
-  if( theMode != None )
+  myTransformationPointType = thePointType;
+  if( thePointType != None )
     computeTransformationPoints();
 }
 
@@ -113,6 +138,23 @@ void HYDROGUI_PrsImage::setTransformationPointMap( const TransformationPointMap&
     computeTransformationPoints();
 }
 
+//================================================================
+// Function : updateTransformationPoint
+// Purpose  : 
+//================================================================
+void HYDROGUI_PrsImage::updateTransformationPoint( const int thePointType,
+                                                   const bool theIsY,
+                                                   const int theValue )
+{
+  if( myTransformationPointMap.find( thePointType ) != myTransformationPointMap.end() )
+  {
+    TransformationPoint& aTransformationPoint = myTransformationPointMap[ thePointType ];
+    QPoint& aPoint = aTransformationPoint.Point;
+    theIsY ? aPoint.setY( theValue ) : aPoint.setX( theValue );
+    computeTransformationPoints();
+  }
+}
+
 //================================================================
 // Function : boundingRect
 // Purpose  : 
@@ -133,12 +175,27 @@ void HYDROGUI_PrsImage::compute()
     myPixmapItem = new QGraphicsPixmapItem( this );
     addToGroup( myPixmapItem );
   }
+  if( !myCaptionItem )
+  {
+    myCaptionItem = new QGraphicsSimpleTextItem( this );
+
+    QFont aFont = myCaptionItem->font();
+    aFont.setPointSize( 14 );
+    myCaptionItem->setFont( aFont );
+
+    addToGroup( myCaptionItem );
+  }
   if( !myPrsImageFrame )
   {
     myPrsImageFrame = new HYDROGUI_PrsImageFrame( this );
     addToGroup( myPrsImageFrame );
   }
+
   myPixmapItem->setPixmap( QPixmap::fromImage( myImage ) );
+
+  myCaptionItem->setPos( 0, -30 );
+  myCaptionItem->setVisible( false );
+
   myPrsImageFrame->compute();
 }
 
@@ -174,7 +231,7 @@ bool HYDROGUI_PrsImage::checkHighlight( double theX, double theY, QCursor& theCu
   {
     if( myIsTransformationPointPreview )
     {
-      if( myTransformationPointMode != None )
+      if( myTransformationPointType != None )
         theCursor = *getTransformationPointCursor();
     }
     else
@@ -192,11 +249,13 @@ bool HYDROGUI_PrsImage::select( double theX, double theY, const QRectF& theRect
 {
   if( myIsTransformationPointPreview )
   {
-    if( myTransformationPointMode == None || !theRect.isEmpty() )
+    if( myTransformationPointType == None || !theRect.isEmpty() )
       return false;
 
-    TransformationPoint& aTransformationPoint = myTransformationPointMap[ myTransformationPointMode ];
-    aTransformationPoint.Point = QPoint( (int)theX, (int)theY );
+    QPoint aPos = pos().toPoint();
+
+    TransformationPoint& aTransformationPoint = myTransformationPointMap[ myTransformationPointType ];
+    aTransformationPoint.Point = QPoint( (int)theX, (int)theY ) - aPos;
     computeTransformationPoints();
     return true;
   }
@@ -213,7 +272,8 @@ bool HYDROGUI_PrsImage::select( double theX, double theY, const QRectF& theRect
 void HYDROGUI_PrsImage::unselect()
 {
   HYDROGUI_Prs::unselect();
-  myPrsImageFrame->updateVisibility();
+  if( !myIsTransformationPointPreview )
+    myPrsImageFrame->updateVisibility();
 }
 
 //================================================================
@@ -223,7 +283,8 @@ void HYDROGUI_PrsImage::unselect()
 void HYDROGUI_PrsImage::setSelected( bool theState )
 {
   HYDROGUI_Prs::setSelected( theState );
-  myPrsImageFrame->updateVisibility();
+  if( !myIsTransformationPointPreview )
+    myPrsImageFrame->updateVisibility();
 }
 
 //================================================================
@@ -237,6 +298,7 @@ void HYDROGUI_PrsImage::computeTransformationPoints()
     int aWidth = myImage.width();
     int aHeight = myImage.height();
 
+    // Create presentations for transformation points A, B and C
     for( int aPointType = PointA; aPointType <= PointC; aPointType++ )
     {
       TransformationPoint aTransformationPoint;
@@ -280,19 +342,54 @@ void HYDROGUI_PrsImage::computeTransformationPoints()
     }
   }
 
-  bool anIsVisible = myIsTransformationPointPreview;
   for( int aPointType = PointA; aPointType <= PointC; aPointType++ )
   {
-    TransformationPoint& aTransformationPoint = myTransformationPointMap[ aPointType ];
+    // Show/hide the point if necessary
+    updateTrsfPoint( aPointType );
+  }
+}
 
-    double aRadius = 5;
-    const QPointF& aPoint = aTransformationPoint.Point;
-    QRectF aRect( aPoint - QPointF( aRadius, aRadius ), QSizeF( aRadius * 2 + 1, aRadius * 2 + 1 ) );
-    aTransformationPoint.PointItem->setRect( aRect );
-    aTransformationPoint.PointItem->setVisible( anIsVisible );
+//================================================================
+// Function : updateTrsfPoint
+// Purpose  : 
+//================================================================
+void HYDROGUI_PrsImage::updateTrsfPoint( const int thePointType )
+{
+  // If image is transformed only by two points then the point C is invisible
+  bool anIsPointVisible = myIsTransformationPointPreview && ( 
+    ( !myIsByTwoPoints ) || ( myIsByTwoPoints && ( thePointType != PointC ) ) );
+  TransformationPoint& aTransformationPoint = myTransformationPointMap[ thePointType ];
+
+  double aRadius = 5;
+  const QPointF& aPoint = aTransformationPoint.Point;
+  QRectF aRect( aPoint - QPointF( aRadius, aRadius ), QSizeF( aRadius * 2 + 1, aRadius * 2 + 1 ) );
+  aTransformationPoint.PointItem->setRect( aRect );
+  aTransformationPoint.PointItem->setVisible( anIsPointVisible );
+
+  QPointF aCaptionShift( -aRadius * 2, aRadius * 2 );
+  aTransformationPoint.CaptionItem->setPos( aPoint + aCaptionShift );
+  aTransformationPoint.CaptionItem->setVisible( anIsPointVisible );
+}
+
+//================================================================
+// Function : getIsByTwoPoints
+// Purpose  : 
+//================================================================
+bool HYDROGUI_PrsImage::getIsByTwoPoints() const
+{
+  return myIsByTwoPoints;
+}
 
-    QPointF aCaptionShift( -aRadius * 2, aRadius * 2 );
-    aTransformationPoint.CaptionItem->setPos( aPoint + aCaptionShift );
-    aTransformationPoint.CaptionItem->setVisible( anIsVisible );
+//================================================================
+// Function : setIsByTwoPoints
+// Purpose  : 
+//================================================================
+void HYDROGUI_PrsImage::setIsByTwoPoints( const bool theIsByTwoPoints )
+{
+  myIsByTwoPoints = theIsByTwoPoints;
+  if ( myTransformationPointMap.contains( PointC ) )
+  {
+    // Show/hide the point C if necessary
+    updateTrsfPoint( PointC );
   }
 }