[lively-kernel] Three quick questions

timfelgentreff at gmail.com timfelgentreff at gmail.com
Mon May 26 09:39:28 CEST 2014

Only just realized that Robert put a module in for 3 some time ago: https://github.com/LivelyKernel/LivelyKernel/commit/31870348b9c1b5450294b4658fef142c44fd1988

It seems you should be able to just use lively.morphic.Preview.renderMorphToNewImage(morph, {}, callback)

From: Tim Felgentreff
Sent: ‎Monday‎, ‎May‎ ‎26‎, ‎2014 ‎9‎:‎27‎ ‎AM
To: Rick McGeer, lively-kernel at hpi.uni-potsdam.de


Re 1: I think the functions on the world may just not be serialized usually, but it works for me if you do

   $world.addScript(function onFocus(evt) {
        alertOK("World focus")
        if (!this.isFocusable()) { this.blur(); return };
        lively.morphic.Morph.prototype._focusedMorph = this;

Re 2: The Shortcuts documentation says you can add links with CMD+K

Re 3: I did that once for PartsBin screenshots. This issue describes how it can be done: https://github.com/LivelyKernel/LivelyKernel/issues/248

Hope that helps,


From: Rick McGeer
Sent: ‎Monday‎, ‎May‎ ‎26‎, ‎2014 ‎3‎:‎29‎ ‎AM
To: lively-kernel at hpi.uni-potsdam.de

I'm having this odd behavior where $world.onFocus() is getting overwritten on a $world.saveWorld().  Specifically, I set $world.onFocus to a function which assigns the focus to a specific morph on the page ($world.get('2048Board').get('Board').focus()).  This works fine, and when I click away from the tab and back to it the focus is assigned correctly.  I can also look at $world.onFocus and see it's the correct function.  However, after I do a $world.saveWorld() and then reload the page, I get the default $world.onFocus method, not the one I wrote.  Is this a bug, or is there something I'm doing wrong?
Is there a preferred way of doing hyperlinks?   I can think of at least two, and I'm sure that there are more.  The two I've thought of are to use an HTMLWrapperMorph, and to attach an onMouseDown event, but I guarantee there's a third way, and the third way is better.  I know there's a third way because I've looked at the source for the welcome page, and the hyperlinks are in text morphs, which turn into <span>s in the HTML source, and the links themselves are <uri> tags in the span.  My problem is I don't know how to create this using Morphic (it may be I am just slow today).  The hell of it is, I knew how to do it once, because I put the link to Lively Cheat Sheet on the Welcome page (I wanted to put the link to Robert's marvelous Lively 101 page there, too, but more important I wanted to figure out how to do this....sorry for the dumb question)
Is there a way to flatten a morph or (equivalently) generate an image file for a morph?  The specific case I'm thinking of is where one builds up a complex image from lots of submorphs, but once done doesn't want to manipulate the submorphs anymore...just bake the thing in place.
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