At Thu, 2 Mar 2017 11:12:16 +0000, Erich Rast wrote: > Hi! I have a simple non-editable and non-resizable snip% class that in > its draw function distinguishes whether it's selected or not. It works > fine when I select it in a text% with the mouse. > > Now I want to select it in the text% when the user left-clicks on it, > so I've overridden on-event and tried this: > > (define/public (select-this-snip) > (define editor (send (get-admin) get-editor)) > (define pos (send editor get-snip-position this)) > (send editor set-position pos (+ pos 1))) > > It *does* select the snip in the sense that a selection background is > drawn (which is visible on the edges, since the snip itself uses a > rounded rectangle), but the snip itself is not drawn as highlighted, > even though I check whether draw-caret is a pair in the draw method. It > is correctly drawn when I select it manually with the mouse, though.
Use (send editor set-caret-owner #f) to send keyboard focus back to the editor. When you click a snip that has 'handles-events, then keyboard focus is moved to the snip instead of to the enclosing editor. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
