Just to share a 10 min coding session, just before lunch. Result here: https://www.facebook.com/photo.php?fbid=564129843673617&set=a.34118937930099... code: -=-=-=-=-=-=-=-= | view stack selected statusBar | stack := ROViewStack new. view := ROView new. selected := nil. statusBar := nil. view on: ROMouseClick do: [ :evt | selected == #line ifTrue: [ | ex1 ex2 line | ex1 := (ROBox new size: 10; color: (Color purple alpha: 0.2)) element. ex2 := (ROBox new size: 10; color: (Color purple alpha: 0.2)) element. ex1 translateTo: evt position. ex2 translateTo: evt position + (100 @ 60). ex1 @ ROLightlyHighlightable. ex2 @ ROLightlyHighlightable. ex1 @ RODraggable. ex2 @ RODraggable. line := (ROLine new width: 3; color: (Color blue alpha: 0.2)) elementFrom: ex1 to: ex2. view addAll: { ex1 . ex2 . line }. ]. selected == #circle ifTrue: [ | ellipse | ellipse := (ROEllipse new size: 40; color: (Color yellow alpha: 0.2)) element. ellipse translateTo: evt position. ellipse @ RODraggable. view add: ellipse. ]. selected == #rectangle ifTrue: [ | box | box := (ROBox new width: 40; height: 30; color: (Color blue alpha: 0.2)) element. box translateTo: evt position. box @ RODraggable. view add: box. ]. view signalUpdate. ]. view @ RODraggable. stack zoomInButton; zoomOutButton. stack addMenu: '+ line' callBack: [ :evt | selected := #line. statusBar model: 'line' ]. stack addMenu: '+ rectangle' callBack: [ :evt | selected := #rectangle. statusBar model: 'rectangle' ]. stack addMenu: '+ circle' callBack: [ :evt | selected := #circle. statusBar model: 'circle' ]. stack addMenu: 'Info' callBack: [ :evt | UIManager default inform: 'Vectorial editing is hyper cool' ]. stack addView: view. stack title: 'Vectorial edition'. "Status bar at the bottom of the window" statusBar := (ROElement new) + ROLabel + ROBox white. stack add: statusBar. ROConstraint stickAtTheBottomOfTheWindow: statusBar. stack open -=-=-=-=-=-=-=-= Cheers, Alexandre -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.