[Lazarus] Patch for fixing the window resizes when switching components

[zeljko]

On 18.05.2017 13:38, Marc Weustink via Lazarus wrote:
> zeljko via Lazarus wrote:
>> On 18.05.2017 01:43, Kostas Michalopoulos via Lazarus wrote:
>>
>> if GDK_IS_WINDOW(PGtkWindow(OurWidget)^.window) and
>> (gdk_window_get_state(PGtkWindow(OurWidget)^.window) =
>> GDK_WINDOW_STATE_MAXIMIZED) then
>>   gtk_window_unmaximize() ...
>> Same for unfullscreen and other "un" routines which we use inside that
>> procedure.
>>
>> What other devels think about this ? Should I correct that patch in this
>> way and fix future problems with eg gtk_window_unfullscreen() which
>> isn't covered by this patch atm ?
>
> I prefer using the gtk/gdk functions and avoid getting (win)controls
> from the widgetsets

I've attached new patch https://bugs.freepascal.org/view.php?id=31832 
...maybe we need one more check if GdkWindow is toplevel but that's all, 
approach is clear gtk2/gdk instead involving lcl in this part of code 
for no reason.

zeljko