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Bug 658153 At using high resolution scrolling, the mouse wheel transaction doesn't work fine r=smaug

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This commit is contained in:
Masayuki Nakano 2011-05-23 23:56:59 +09:00
parent dd5ac61fdd
commit f2ab2ab825
1 changed files with 11 additions and 1 deletions
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12
content/events/src/nsEventStateManager.cpp
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@ -519,8 +519,18 @@ nsMouseWheelTransaction::OnEvent(nsEvent* aEvent)
return;
}
switch (aEvent->message) {
PRInt32 message = aEvent->message;
// If the event is query scroll target info event, that causes modifying
// wheel transaction because DoScrollText() needs to use them. Therefore,
// we should handle the event as its mouse scroll event here.
if (message == NS_QUERY_SCROLL_TARGET_INFO) {
nsQueryContentEvent* queryEvent = static_cast<nsQueryContentEvent*>(aEvent);
message = queryEvent->mInput.mMouseScrollEvent->message;
}
switch (message) {
case NS_MOUSE_SCROLL:
case NS_MOUSE_PIXEL_SCROLL:
if (sMouseMoved != 0 &&
OutOfTime(sMouseMoved, GetIgnoreMoveDelayTime())) {
// Terminate the current mousewheel transaction if the mouse moved more