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authorwolfbeast <mcwerewolf@gmail.com>2018-08-25 19:56:18 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-08-25 19:56:18 +0200
commitf0e053a1b4b42ef3344032589d1c02ff21e21f6f (patch)
treee28f860afbf557c411c25f5fb679e076e6c3dded /dom
parent74c6c585ab519e3314bdf6b0fa23d8aa757b78a5 (diff)
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Add a horizontal scroll action option for mouse wheel.
Resolves #732
Diffstat (limited to 'dom')
-rw-r--r--dom/events/EventStateManager.cpp5
-rw-r--r--dom/events/EventStateManager.h3
2 files changed, 7 insertions, 1 deletions
diff --git a/dom/events/EventStateManager.cpp b/dom/events/EventStateManager.cpp
index 7bbfe21b7..868bee1a3 100644
--- a/dom/events/EventStateManager.cpp
+++ b/dom/events/EventStateManager.cpp
@@ -3240,6 +3240,11 @@ 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.
diff --git a/dom/events/EventStateManager.h b/dom/events/EventStateManager.h
index d0461e7fa..95ce9a907 100644
--- a/dom/events/EventStateManager.h
+++ b/dom/events/EventStateManager.h
@@ -513,7 +513,8 @@ protected:
ACTION_SCROLL,
ACTION_HISTORY,
ACTION_ZOOM,
- ACTION_LAST = ACTION_ZOOM,
+ ACTION_HSCROLL,
+ ACTION_LAST = ACTION_HSCROLL,
// Following actions are used only by internal processing. So, cannot
// specified by prefs.
ACTION_SEND_TO_PLUGIN