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Re: [paragui-users] want to run my dll idea for pg past anyone who cares
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From: |
Alexander Pipelka |
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Subject: |
Re: [paragui-users] want to run my dll idea for pg past anyone who cares to look |
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Date: |
05 Jun 2002 11:11:46 +0200 |
Unfortunately, a clean implementation for the stable branch is currently
impossible (if there is any using the current callback mechanism).
But i think using the first option would be a better choice (Sorry
Andrew :)) because it fits (a bit) better into the current framework.
Additionally the transition to 1.1.x would be the same as for *usual*
message callbacks (libsigc++).
But maybe an unknown option three exists ?
>From the latest discussions i see the following changes for the unstable
branch:
- Redesign the XML layout loader (factory?)
- Add libsigc++ callbacks for tag processing
- Move all static variables into PG_Application (or corresponding
classes). This would mean that it's possible to run multiple
PG_Application objects with different themes and behaviour in one
application (and would fix some static linking issues).
Alex
Am Die, 2002-06-04 um 23.21 schrieb Andrew Ford:
> I think I like the second option better. The first
> one tries to cram the callback into the widget event
> framework, and it doesn't really fit since the event
> isn't being passed through the widget hierarchy. The
> bad part about the second is that I can't think of
> another place that paragui uses such a callback,
> meaning that it's yet another way of doing things.
> The layout parser can tell when it sees a non-standard
> tag, can't it?
>
> Andrew.
>
> --- Alexander Pipelka <address@hidden> wrote:
> > Yeah. Just noticed the flaw in the concept :)
> >
> > Ok. 2 opportunities:
> >
> > - the previous solution with the following
> > extension:
> > typedef struct {
> > const char* tag; // name of my tag in the head
> > section
> > const char** atts; // list of attributes in the
> > tag
> > } PG_XMLTagAtts
> >
> > PARAGUI_CALLBACK(my_xmlhandler) {
> > PG_XMLTagAtts* atts = (PG_XMLTagAtts*)data;
> >
> > char+ mytag = atts->tag;
> >
> > if(strcmp(mytag, "mytag") == 0) {
> > char* mystring = PG_Layout::GetParamStr(atts,
> > "customtagname");
> > int myint = PG_Layout::GetParamInt(atts,
> > "customint");
> > }
> > }
> >
> > <head>
> > <mytag customtagname="mystring" customint="666"/>
> > </head>
> >
> > - register a simple callback function
> > bool ProcessHeadAtts(PG_XMLTagAtts* atts);
> >
> >
> > Alex
>
>
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