JDK-8114225 : A Labeled graphic node bounds can extend outside the bounds of the labeled control
  • Type: Bug
  • Component: javafx
  • Sub-Component: scenegraph
  • Affected Version: fx2.0
  • Priority: P4
  • Status: Resolved
  • Resolution: Not an Issue
  • Submitted: 2011-08-04
  • Updated: 2015-06-16
  • Resolved: 2013-12-11
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JDK 9
9Resolved
Related Reports
Blocks :  
JDK-8128435 - Edge case for Region.boundedSize policy
Description
In some cases (I don't know all possible cases) setting max or preferable sizes of control don't make any effect:

Text tx = new Text();
tx.setText("fgggggggggggggggggggggggggggggggggggggggggggggggggg");
Label label = new Label("ee", tx);
label.setMaxWidth(40);
label.setPrefWidth(40);

HBox hb = new HBox();
hb.setMaxWidth(50);
hb.setPrefWidth(50);
hb.getChildren().add(label);

root.getChildren().add(hb);
...

text "fgg...." will be as wide as it need. Text "ee" will not be printed at all. That doesn't seem a proper behavior
Comments
I think this behaviour is correct. The min width should be respected even though max width is smaller. It's already documented in 8.0 in minWidth/minHeight etc.. so we cannot afford to change that in future versions.
11-12-2013
There are two issues at play here. First, the max width on the Label is ignored in this example, since the computed min width is larger. This is described in RT-18309. Second, the graphic node on Label is not expected to be resizable, and should be clipped if it doesn't fit within a Label's set size. Note however, that the text part of a Label is resizable (by truncation) so it will always be reduced to an ellipsis or empty string if the graphic node needs the available space.
30-12-2011
The issue is that a Text node is not resizable, so the Label cannot resize it smaller to fit within it's tighter width bounds. So the label's layoutBounds will be clamped at the 40 max width value, but the internal text node will spill out its edges. The only possible solution would be to set a clip on the Label so at least the text node would be clipped.
19-08-2011
Assigning to Amy for initial review, although it might be a scenegraph issue, or just an individual controls / layout issue.
04-08-2011