path: root/src/corelib/tools
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authorMorten Johan Sørvig <>2013-09-27 13:27:59 +0200
committerThe Qt Project <>2013-09-27 16:08:31 +0200
commit29585ec3d3ba0316d3a28d5fd1c383f2b82f8827 (patch)
tree90a5aaa654e7c479c8d849d8551984d50f8d6791 /src/corelib/tools
parent6afb0579626781ccf6dfd55a8ac1a0bc35e4d9e9 (diff)
Fix regression in trackpad scroll event handling.
bab29dd76 changed scroll event handling to update the keyboard modifier state during scroll event streams and brought back the bug where Qt Creator would suddenly change the font size if you pressed the command key while scrolling. Use momemtumPhase to detect scroll event streams. momemtumPahse will be NSEventPhaseNone as long as there are fingers on the trackpad. After liftoff it will have a different value, and at this point we freeze the keyboard modifier state until the scroll event stream has ended. This approach does not interfere with normal mouse scroll wheels since momentumPhase is PahseNone for all such scroll events. Change-Id: I668ade8e794a97491487c9465366a316a7d6a9c8 Reviewed-by: Gabriel de Dietrich <>
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