On Thu, 11 Aug 2022 15:47:40 GMT, Damon Nguyen <dngu...@openjdk.org> wrote:

>> When a JComboBox is editable, the button segment of the combo box is 
>> misaligned vertically and has a different height. This change fixes these 
>> issues and adds a manual test that checks the appearance of an editable and 
>> non-editable JComboBox.
>> 
>> One of the discussions revolving this issue is the native macOS appearance 
>> of editable JComboBoxes. After looking through native macOS apps, the only 
>> one found is in System Preferences > Date & Time. The problem here is that 
>> the native equivalent found here uses a blue button with a single down arrow 
>> as the button's symbol. The current swing implementation uses a white button 
>> with an up & down arrow symbol for the button. A JRS widget button that has 
>> this blue button with a single downward arrow exists but does not support 
>> text fields.
>> 
>> As such, I believe the best fix for this issue is to mainly fix the 
>> alignment and sizing issue. I looked through Apple's documentation for these 
>> UI elements but editable JComboBoxes aren't specifically listed anywhere. 
>> Similarly, there's barely any editable JComboBoxes used in native mac apps 
>> (only the date & time). So, I don't think it's a major issue if JComboBox 
>> does not exactly match the example found in Date & Time.
>
> Damon Nguyen has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Removed newline.

src/java.desktop/macosx/classes/com/apple/laf/AquaComboBoxUI.java line 460:

> 458:             System.out.println("rectForCurrentValue NEW: " + 
> comboBox.getHeight());
> 459:             int width = comboBox.getWidth();
> 460:             int height = 21;

Is this a Aqua LAF constraint on max height of text-field?

-------------

PR: https://git.openjdk.org/jdk/pull/9473

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