Partially off-screen window for all spaces appears briefly when switching spaces

Originator:stevereinvented
Number:rdar://14000198 Date Originated:05/28/2013
Status:Open Resolved:
Product:OS X Product Version:10.8.3/12D78
Classification:Other Bug Reproducible:Always
 
Summary:
A window with the collection behavior (NSWindowCollectionBehaviorCanJoinAllSpaces | NSWindowCollectionBehaviorStationary) that is positioned partially offscreen will appear briefly when switching spaces.

Steps to Reproduce:

1. Set up such a window and position it partially offscreen
2. Switch spaces by swiping or with the keyboard, so that it animates left to right

Expected Results:

The window is shown in the same location on the next space

Actual Results:

For example, if the window is positioned partially offscreen on the right, the previously offscreen part will appear briefly on the left during the switch animation.

Regression:

Did not affect OS X 10.7 and earlier.

Notes:

Comments


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