On Thu, 19 Jun 2025 04:01:49 GMT, Prasanta Sadhukhan <[email protected]>
wrote:
>> src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTextUI.java line
>> 1033:
>>
>>> 1031: /**
>>> 1032: * Gets the allocation to give the root View.
>>> 1033: * The Rectangle returned has nothing to do with visibility but
>>
>> "nothing to do with" -> "unrelated to"
>>
>>
>> But what I'd really like to see is an explanation of what the return from
>> this method ACTUALLY means / is used for.
>> What does "the allocation" mean ? Too woolly for me.
>
> getVisibleEditorRect() return the bounds of the text editor and the return
> value is used to to set-size/paint the
> `javax.swing.text.View` of this text editor component.
> "the allocation" refers to what allocated area the view needs to paint, it
> seems to be a common phrase used in context of View class which says
>
>> "The view gets its allocation from the parent at paint time, so it must be
>> prepared to redo layout if the allocated area is different from what it is
>> prepared to deal with. "
>
> In that regard, probably getAllocatedViewRect() would have been better choice
> of the method name
@prsadhuk @prrace Does this description work?
/**
* Gets the allocation for the root view.
* The returned rectangle is unrelated to visibility,
* it is passed as the {@code allocation} parameter to
* the {@link View#paint(Graphics, Shape) View.paint} method.
* The component must have a non-zero positive size for
* this translation to be computed.
*
* @return the bounding box for the root view
*/
protected Rectangle getVisibleEditorRect() {
This renders like this:
> Gets the allocation for the root view. The returned rectangle is unrelated to
> visibility, it is passed as the allocation parameter to the
> [`View.paint`](https://docs.oracle.com/en/java/javase/24/docs/api/java.desktop/javax/swing/text/View.html#paint(java.awt.Graphics,java.awt.Shape))
> method. The component must have a non-zero positive size for this
> translation to be computed.
We can also add @TejeshR13's
[suggestion](https://github.com/openjdk/jdk/pull/25850/files#r2153658561): “The
method name is preserved for backward compatibility.”
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/25850#discussion_r2157389675
