Clementine-audio-player-Mac.../src/widgets/forcescrollperpixel.cpp

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "forcescrollperpixel.h"
#include <QAbstractItemView>
#include <QEvent>
#include <QScrollBar>
ForceScrollPerPixel::ForceScrollPerPixel(QAbstractItemView* item_view,
QObject* parent)
: QObject(parent), item_view_(item_view) {
item_view_->installEventFilter(this);
}
bool ForceScrollPerPixel::eventFilter(QObject* object, QEvent* event) {
if (object == item_view_ && event->type() != QEvent::Destroy &&
event->type() != QEvent::WinIdChange &&
event->type() != QEvent::AccessibilityPrepare) {
item_view_->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
item_view_->verticalScrollBar()->setSingleStep(20);
}
return QObject::eventFilter(object, event);
}