[Lazarus] VirtualTreeView question, horizontal jump

[luiz americo pereira camara]

2013/8/22 Jürgen Hestermann <juergen.hestermann at gmx.de>

>
> Am 2013-08-21 18:40, schrieb luiz americo pereira camara:
>
>
> 2013/8/21 Jürgen Hestermann <juergen.hestermann at gmx.de>
>
>>
>> I now found that "toDisableAutoscrollOnFocus" (under "AutoOptions") is
>> changing between these both behaviours:
>>
>> If I set it to TRUE I can navigate as usual within the tree (without
>> horizontal shifting) *but* when reaching the bottom border of the window
>> the cursor disappears below it without shifting up the tree display. So I
>> don't see my cursor anymore (which is totally useless).
>> If I set it to FALSE the tree display is shifted up when reaching the
>> bottom of the display *but* now it jumps to the right border every second
>> down move (so that I don't see the tree anymore, only when shifting it back
>> with Ctrl+Enter).
>>
>
>  Try to set toCenterScrollIntoView and toDisableAutoscrollOnFocus
>
>
>
> With
> toCenterScrollIntoView = True
> toDisableAutoscrollOnFocus = False
> the only change is, that the horizontal scroll is now centering (instead
> of moving to the right margin). This does not solve the problem because the
> tree is still out of sight.
>
> With
> toCenterScrollIntoView = True
> toDisableAutoscrollOnFocus = True
> I get the same as before (cursor moves below the bottom without shifting
> up the tree to make it visible).
>

Please create an example and add a bug report

Make sure you are using
http://sourceforge.net/p/lazarus-ccr/svn/2775/tree/components/virtualtreeview-new/branches/4.8/

Luiz


>
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