PrefWidth/Height calculations only works if stage is shown

[Tom Schindl]

No same result!

> BorderPane g = new BorderPane();
> TableView<String> v = new TableView<String>();
> g.setCenter(v);
> Scene s = new Scene(g);
> primaryStage.setScene(s);
> g.impl_reapplyCSS();
> System.err.println(g.prefWidth(-1)); // 0
> primaryStage.show();

Could it be that this does not work because if a stage is not yet shown
the peers have not been created?

Tom

On 08.08.13 23:29, Richard Bair wrote:
> Yes, the problem is that CSS has not been executed yet. If you call reapplyCSS (did we add that API yet? or is it still that impl_?) then you can get a proper size from the control.
> 
> Richard
> 
> On Aug 8, 2013, at 2:26 PM, Tom Schindl <tom.schindl at bestsolution.at> wrote:
> 
>> Hi,
>>
>> I've been trying to open a window in the minimal dimension needed by
>> components but it looks like size calculations prefHeight/prefWidth only
>> works if the stage is shown.
>>
>> I need the dimensions before showing the stage because I want to
>> position it on the lower right of the screen before showing the stage
>> because if doing it afterwards leads to flickering.
>>
>>
>>> BorderPane g = new BorderPane();
>>> TableView<String> v = new TableView<String>();
>>> g.setCenter(v);
>>> Scene s = new Scene(g);
>>> primaryStage.setScene(s);
>>> System.err.println(g.prefWidth(-1)); // 0
>>> primaryStage.show();
>>> System.err.println(g.prefWidth(-1)); // 248
>>
>> Is this working as designed?
>>
>> Tom
>