Use DPI-aware borders

Last modified: 03 December 2024

Reports usages of javax.swing.border.EmptyBorder and JBUI.Borders.emptyXyz() that can be simplified.

The EmptyBorder instances are not DPI-aware and can result in UI layout problems.

Quick fix performs replacement with JBUI.Borders.empty() or simplifies the expression.

Example:

// bad:
Border border1 = new EmptyBorder(1, 2, 3, 4);
Border border2 = new EmptyBorder(1, 2, 1, 2);
Border border3 = new EmptyBorder(1, 0, 0, 0);

// good:
Border border1 = JBUI.Borders.empty(1, 2, 3, 4);
Border border2 = JBUI.Borders.empty(1, 2);
Border border3 = JBUI.Borders.emptyTop(1);

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

UseDPIAwareBorders
Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | Plugin DevKit | Code

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.3, Qodana for JVM 2024.3,

Can be installed with plugin:

Plugin DevKit, 243.23126