[Lazarus] Patch for simple docking.

[Michael Van Canneyt]

On Sun, 4 Apr 2010, Hans-Peter Diettrich wrote:

> Michael Van Canneyt schrieb:
>
>> I'm writing an article about docking in Lazarus.
>
> First question: which DockManager do you use?

The standard LCL dockmanager.

And, yes, I know about EasyDockingManager.

>
> Did you see:
> http://wiki.lazarus.freepascal.org/LCL_Drag_Drop#Common_Principles

I didn't see, but there is nothing in there which is new to me.


>
>> The first - and most simple - example I tried, failed:
>> - Drop a panel on a form
>> - Set dragkind to dkDock
>> - Set dragmode to dkAutomatic.
>> - Run application
>> - Drag panel outside form, and let go.
>> 
>> expected behaviour: a small form should appear, and the panel should be on 
>> it.
>> 
>> Actual behaviour: 4 Access violations (fix one to get to the next ;) ).
>
> Sounds like new autosize bugs. Did you use -dOldAutoSize when building the 
> LCL?

No.

But now I did, and in that case there is some noticeable improvement.

Michael.