<Swing Dev> [13] RFR JDK-8213535:Windows HiDPI html lightweight tooltips are truncated

[Prasanta Sadhukhan]

On 07-Dec-19 4:06 AM, Sergey Bylokhov wrote:
> On 11/28/19 2:22 am, Prasanta Sadhukhan wrote:
>>> For example take a look to the BasicButtonUI class it uses the 
>>> similar logic on top of View, but we reset the view if font, or font 
>>> transform is changed see JDK-8201552 and 
>>> BasicButtonListener.propertyChange()
>>>
>> BasicToolTipUI.propertyChange was already changed by 8201552 to 
>> update the view if "scale" is changed but the problem still exists so 
>> it means View does not know about the correct preferred size of text, 
>> so we need the above patch to make it work.
>
> Then probably the code which was added in 8201552 is not triggered for 
> some reason?
It is triggered. I have seen propertyChange() is called and 
SwingUtilities.isScaledChanged() is true
>
> How other components which may use HTML inside calculates its 
> preferred size? I do not remember that they additionally scale the 
> values returned by the View.

Maybe those components does not use preferredSize calculation as 
JTooltip does.

Regards

Prasanta

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