[xfce4] Notes on the vertical panel

Jasper Huijsmans jasper at moongroup.com
Sat Sep 21 21:35:51 CEST 2002

I think I fixed it in CVS. It hasn't seen much testing though.


On Sat, 21 Sep 2002 11:42:02 +0200
Jasper Huijsmans <jasper at moongroup.com> wrote:

> Hi all,
> Just a small note on the new vertical panel for everyone using it, and
> especially everyone working on the panel code.
> The way the dialog handles an orientation change is completely broken.
> It shouldn't even work at all.
> Here's what happens. If you change the orientation in the dialog, the
> global settings are updated. Then all gtk widgets are destroyed by
> destroying the main frame. Then the panel is rebuild from scratch. 
> Why is this broken you may ask? Well if you destroy all widgets, you
> also destroy all widgets the dialog connects to and the callbacks. The
> fact that the dialog still seems to work I can only explain by
> assuming the new widgets usually take the same memory space as the old
> widgets. 
> There are basically two possible solutions:
> 1) also destroy the dialog and add functions to restore it after
>    rebuilding the panel.
> 2) don't destroy the panel controls, but only rebuild the panel
>    framework (and the central panel).
> I believe number (2) is the proper solution. This is not too
> difficult, but it takes some time at least.
> greetings,
> 	Jasper
> -- 
> IRC channel: #xfce on irc.openprojects.net
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