On Wed, 15 Apr 2026 23:20:00 GMT, Alexander Zuev <[email protected]> wrote:
> Make caret color closer to the background color so it does appear as disabled > caret. > > Here is the comparison of default caret and the caret after the fix is > applied: > Default white background: <img width="126" height="36" alt="white_editable" > src="https://github.com/user-attachments/assets/35620f59-8ed6-40f4-8b52-00757acf3efc"; > /> > After fix white background: <img width="124" height="38" > alt="white_noneditable" > src="https://github.com/user-attachments/assets/10a5bd08-ebc2-42e5-99e1-4a048a323666"; > /> > Default red background: <img width="140" height="52" alt="red_editable" > src="https://github.com/user-attachments/assets/f0c327a4-aee3-4802-98ed-915e314be36c"; > /> > After fix with red background: <img width="130" height="36" > alt="red_noneditable" > src="https://github.com/user-attachments/assets/c3baaf41-6a67-4be2-98c0-d1e260fc53ae"; > /> > > > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai). I see an NPE when I focus a disabled text field with the `javax.swing.plaf.nimbus.NimbusLookAndFeel LaF` enabled. Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException: Cannot invoke "java.awt.Color.getRed()" because "caretColor" is null at java.desktop/javax.swing.text.DefaultCaret.paint(DefaultCaret.java:699) at java.desktop/javax.swing.plaf.basic.BasicTextUI.paintSafely(BasicTextUI.java:774) at java.desktop/javax.swing.plaf.basic.BasicTextUI.paint(BasicTextUI.java:927) at java.desktop/javax.swing.plaf.synth.SynthTextFieldUI.paint(SynthTextFieldUI.java:201) at java.desktop/javax.swing.plaf.synth.SynthTextFieldUI.update(SynthTextFieldUI.java:185) at java.desktop/javax.swing.JComponent.paintComponent(JComponent.java:838) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1114) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:947) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1123) at java.desktop/javax.swing.JComponent.paintToOffscreen(JComponent.java:5283) at java.desktop/javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:255) at java.desktop/javax.swing.RepaintManager.paint(RepaintManager.java:1240) at java.desktop/javax.swing.JComponent._paintImmediately(JComponent.java:5231) at java.desktop/javax.swing.JComponent.paintImmediately(JComponent.java:5041) at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:786) at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:749) at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:699) at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1793) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:323) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:714) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:693) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90) ------------- PR Comment: https://git.openjdk.org/jdk/pull/30758#issuecomment-4289349226
