On Sat, May 18, 2002 at 02:27:41PM +0100, James Hollingshead wrote:
>
> Fonts aren't necessarily monospaced, so I couldn't decide between
> trying to work out how many "M"s fit on a line and then wrapping at
> that, or being more complicated and having differing numbers of chars
> on each line. The second approach would I think either require lots of
> trial and error calls to pgSizeText() for every line, or maybe an
> array containing the size of each ascii char so we could calculate
> directly in the client.
I propose a sollution for this is implemented in the server.
PGREQ_WRAPTEXT
additional data: struct pgreqd_handlestruct
server response type: PG_RESPONSE_RET
Given a handle to a widget, this reads the widget's current text, font and
width, and wraps the string corresponding to the widget's text so that it
fits the screen.
(RFC: wrap at word-boundary or "dumb-wrap"?)
Returns the length of the string after wrapping.
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Perhaps there are other possibilities. One is, given a string handle and a
font and width, return a lot of strings; or allowing a widget to show a
string beginning from a given offset (then all of the necessary widgets
would show the same string, as far as the server is concerned, but each will
be showing a different part of it). Or, of course, making the label widget
multi-line with auto-wrapping ;-)
James, as a side comment: couldn't this code use the textbox instead? What
would be the problems? Bookmarking? IIRC the textbox is already quite usable
for read-only plaintext.
[]s,
|alo
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