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0022379: EDF 2276 GEOM: Dependency Tree - added resize event for view and new method of showing tree considering a size of scene

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This commit is contained in:
mpa 2014-11-07 10:33:47 +03:00
parent a4c91f0893
commit 5bc218e9c8
2 changed files with 36 additions and 1 deletions
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31
src/DependencyTree/DependencyTree_View.cxx
View File

@ -351,6 +351,18 @@ void DependencyTree_View::onRebuildModel()
updateModel( true, false );
}
//=================================================================================
// function : resizeEvent()
// purpose : reimplemented from QGraphicsView::resizeEvent()
//=================================================================================
void DependencyTree_View::resizeEvent(QResizeEvent *event)
{
QPointF aCenter = mapToScene( event->oldSize().width()/2,
event->oldSize().height()/2 );
QGraphicsView::resizeEvent( event );
centerOn( aCenter.x(),aCenter.y() );
}
//=================================================================================
// function : onUpdateModel()
// purpose : slot for updating tree model for main objects in viewer
@ -689,7 +701,7 @@ void DependencyTree_View::updateView()
return;
drawTree();
fitAll();
fitWindow();
}
//=================================================================================
@ -734,6 +746,23 @@ void DependencyTree_View::clearView( bool isClearModel )
}
}
//=================================================================================
// function : fitWindow()
// purpose : scale the window considering a size of scene
//=================================================================================
void DependencyTree_View::fitWindow()
{
int sizeFactor = 4;
if( objectsBoundingRect(true).width() > sizeFactor*size().width() ||
objectsBoundingRect(true).height() > sizeFactor*size().width() ) {
QRectF aRect = QRectF( -sizeFactor*size().width()/2, -sizeFactor*size().height()/2,
sizeFactor*size().width(), sizeFactor*size().height() );
fitInView( aRect, Qt::KeepAspectRatio );
}
else
fitAll();
}
//=================================================================================
// function : getNewTreeModel()
// purpose : get dependency tree model from engine

6
src/DependencyTree/DependencyTree_View.h
View File

@ -68,6 +68,10 @@ public slots:
void onRebuildModel();
protected:
void resizeEvent( QResizeEvent *event );
private slots:
void onUpdateModel();
@ -93,6 +97,8 @@ private:
void updateView();
void clearView( bool );
void fitWindow();
int checkMaxLevelsNumber();
void getNewTreeModel( bool = true, bool = true );