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when setting a different "mouse wheel scrolls by" value in the
mouse kcm, the user expects every view to scroll more or less
accordingly (even if it's not strictlya text view)
This makes the scroll in dolphin take that into account
REVIEW:126718
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KItemListSmoothScroller::handleWheelEvent has some issues:
1. When I scroll file list holding mouse over the list, one mouse wheel tick corresponds
to 1/4 page interval, but when I hover on QScrollBar, one wheel tick corresponds to
1 page interval.
2. In KItemListSmoothScroller::eventFilter we don't return true, so that QScrollBar also
handles this event, and total scroll interval is m_scrollBar->pageStep() +
m_scrollBar->singleStep().
3. When I use touchpad that supports smooth scrolling via XInput2, and I hover it over
QScrollBar, I can only scroll content if I move my fingers very fast, because
numSteps = event->delta() / 8 / 15 is just zero unless I move very fast
(event->delta() in this case is less than 120).
4. Holding Shift while scrolling has no effect when holding mouse over QScrollBar in
contrast to scrolling faster when holding mouse over file list.
The patch eliminates all these issues making the behavior of KItemListSmoothScroller the
same as in KItemListContainer::wheelEvent, adding support for QWheelEvent::pixelDelta()
and removing usage of deprecated QWheelEvent::delta().
REVIEW: 124670
FIXED-IN: 15.12.0
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REVIEW: 122309
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This conversion was performed automatically using convert2qt5signalslot.
The only manual changes required were changing the overloaded signal
KDirLister::redirection and KDirLister::completed from KUrl to QUrl. All
other cases were no problem since these signals are not overloaded and a
static_cast for disambiguation is not necessary.
Code inside HAVE_BALOO is not converted yet, will do that once I can build
a version with Baloo.
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KItemListSmoothScroller::scrollTo(qreal position) did not check if
'position' is a valid value. Even if the view is scrolled to the bottom
already, it tried to scroll further and activated "smooth scrolling"
when the mouse wheel is used. Because it never got out of the "smooth
scrolling" state then, it got confused when changing the directory, and
restoring the correct scroll offset could fail.
BUG: 322212
FIXED-IN: 4.11.0
REVIEW: 111557
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- Move all private headers from the kitemviews-directory into
the 'private' subdirectory.
- Get rid of DolphinDirLister and just use a directory-lister
internally in KFileItemModel.
- Minor interface-cleanups for signals
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