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In RC1: 1. Open two files in Source Editor 2. Split source editor by moving one file to the bottom. 3. maximize the first document tab. 4. resize the IDE window. The whole Source Editor tab is grey. You have to exit maximized mode using the Shift-Escape key or you the Windows menu. You can't use Ctrl-`, it does a weird thing that it stays open but won't let you select any other open window until you've unmaximized the source editor pane. There's no data loss here but this is very visible and very ugly, not obvious how to exit out of it.
reassigning to openide. The whole area is gray, not only editor window...
Created attachment 14217 [details] in addition NPE is thrown after removing focus to other application and returning back
hmm, really strange scenario (split, maximize, resize whole IDE) but able to reproduce on RH, solaris too.
proposed relnote: Description: The following sequence causes the Source Editor to turn grey: 1. Open two files in Source Editor. 2. Split Source Editor by moving one file to the bottom. 3. Maximize the first document tab. 4. Resize the IDE window. Workarounds: *Choose any item from the Window menu to redisplay the content of the open windows. *Do any window resizing before maximizing a document in the Source Editor.
fixed while working on sliding windows.
verified in [nb_dev](200408091800)