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 racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
