OS X: JFrame with JMenuBar Must Be First

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Tuesday, October 30. 2007

OS X: JFrame with JMenuBar Must Be First

When building Swing applications customized for OS X, note that for more complex applications with multiple JFrames, a JFrame containing a JMenuBar must be initialized first. If a JFrame with no JMenuBar is created first, neither the custom application name nor the menus will work correctly.

The application name is set using:

System.setProperty("com.apple.mrj.application.apple.menu.about.name", "My Application");

OS X style menus are set using:

System.setProperty("apple.laf.useScreenMenuBar", "true");

These can also be set using plist files, but I find doing it in code easier as other customizations (like changing the menus to an OS X style layout) can be done at the same time.
Posted by Daniel E. Markle in Programming at 13:35 | Comments (0) | Trackbacks (0)

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