[lazarus] GTK or XLib or Whatever

Baeseman, Cliff Cliff.Baeseman at greenheck.com
Mon Jun 28 11:58:40 EDT 1999

Ok I am taking a look at the GTK + now and it looks like a move function is
specified in the fixed container widget.

Shane if you get up and running today try to call that move method. If that
thing works as advertised and setting widgets by calling usize works we can
move forward.

This is of course if it works.


-----Original Message-----
From: Michael Van Canneyt [mailto:michael.vancanneyt at wisa.be]
Sent: Monday, June 28, 1999 10:45 AM
To: lazarus at miraclec.com
Subject: Re: [lazarus] GTK or XLib or Whatever

On Mon, 28 Jun 1999, Baeseman, Cliff wrote:

> Rick,
>    We are currently debating all of the control issues right now.
>  Many of you are asking us to use the GTK. This is fine but I can tell you
> programming against it does have limitations.
>   Maybe I am not as smart as I should be also. Here is the only problem
> I have with running against GTK. If you wish for the IDE to be as Delphi
> Like as possible you have to have a couple of things that I have not been
> able to create cleanly.
> 1. X and Y control placement.
kcl has solved this with a special placement object

> 2. The ability to resize and move a control once it is on a container.
same answer as in 1

> 3. The signal event model is not working very well. We need some way to
> control our own event model. We need to have something like our own event
> stack on TForm or something to that affect. Right now if I connect a
> function to the gtk events we will get code fall thru not to mention it
> to be declared cdecl which cannot appear in a class definition.

KCL has solved this with a signal and slot mechanism like Qt has, which
seems like a good idea to me.

I still think that building on top of GTK is a good idea, because it
eliminates a lot of low-level coding, which is slow, painfully and


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