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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-11-10 11:39:27 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-11-10 11:39:27 +0100 |
| commit | 974a481d12bf430891725bd3662876358e57e11a (patch) | |
| tree | cad011151456251fef2f1b8d02ef4b4e45fad61a /dom/events/EventStateManager.cpp | |
| parent | 6bd66b1728eeddb058066edda740aaeb2ceaec23 (diff) | |
| parent | 736d25cbec4541186ed46c935c117ce4d1c7f3bb (diff) | |
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Merge branch 'master' into js-modules
# Conflicts:
# modules/libpref/init/all.js
Diffstat (limited to 'dom/events/EventStateManager.cpp')
| -rw-r--r-- | dom/events/EventStateManager.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/dom/events/EventStateManager.cpp b/dom/events/EventStateManager.cpp index 7bbfe21b7..e16d68c81 100644 --- a/dom/events/EventStateManager.cpp +++ b/dom/events/EventStateManager.cpp @@ -3240,6 +3240,12 @@ EventStateManager::PostHandleEvent(nsPresContext* aPresContext, action = WheelPrefs::GetInstance()->ComputeActionFor(wheelEvent); } switch (action) { + case WheelPrefs::ACTION_HSCROLL: { + // Swap axes and fall through + double deltaX = wheelEvent->mDeltaX; + wheelEvent->mDeltaX = wheelEvent->mDeltaY; + wheelEvent->mDeltaY = deltaX; + } case WheelPrefs::ACTION_SCROLL: { // For scrolling of default action, we should honor the mouse wheel // transaction. |