Initial commit.

src/widgets/forcescrollperpixel.cpp

@@ -0,0 +1,45 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ *
+ * Strawberry 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.
+ *
+ * Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#include "config.h"
+
+#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);
+}