Google Summer of Code Intern has Text Layout Problem

sig siguctua at gmail.com
Tue Jul 17 02:00:03 UTC 2007


You can put TextMorph inside a TransformMorph , to make layout management simple

On 16/07/07, Gary Chambers <gazzaguru2 at btinternet.com> wrote:
> Probably best to put the text morph inside another morph that handles the
> border...
> I still have some problems with this, but maybe down to using different font
> technologies (TTCFont; FreeTypeFont etc.).
> I do find that the margins on TextMotph work, though need a bit of cajojing
> to actually update the layout!
>
> -----Original Message-----
> From: squeak-dev-bounces at lists.squeakfoundation.org
> [mailto:squeak-dev-bounces at lists.squeakfoundation.org] On Behalf Of Michael
> Rueger
> Sent: 16 July 2007 5:50 pm
> To: The general-purpose Squeak developers list
> Subject: Re: Google Summer of Code Intern has Text Layout Problem
>
>
> Todd Blanchard wrote:
> > I don't understand too well how Squeak's styled text works.  However,
> > my
>
> me neither ;-)
>
> > Google Summer of Code intern has some questions about it that I'm
> > hoping
> > someone more knowledgeable can answer.
>
> Apologies for not answering earlier to your request, somehow scrolled of
> my list...
>
> > This is some <b>bold</b> text.
> >
> > I'm sure you get that.  CSS uses a box model.  Useful diagram here:
> > http://www.w3.org/TR/REC-CSS2/box.html
> > He's trying to figure out what to do if the user creates a style that
> > says the b style has 20 pixel margins with a line border.  How does he
> > get the text to layout right and get the size/shape of the enclosure to
> > draw the borders?  Extra tricky if the bold section wraps for some
> > fraction of lines.  Is there an easy api he can use to embed wrappers
> > around styles such that he can fiddle the margins/borders?
>
> Hmm, judging from the hoops we to jump through in Sophie he will do a
> line based layout/composition, as the the 20 pixel margin would require
> to also increase the line spacing around that line?
> The then needs to implement rendering runs to display the decoration for
> the length of the affected text. Including handling the special cases of
> what to do at line breaks etc.
>
> Welcome to the wonderful world of "basic" text editing and layout ;-)
>
> Some Squeak text layout guru probably could come up with clever tricks
> to render the text including box as an embedded object within the Squeak
> text.
>
> Michael
>
> P.S. Users these days consider InDesign level text layout and processing
> as "basic". No kidding...
>
>
>
>



More information about the Squeak-dev mailing list