+/***************************************************************************
+* Copyright (C) 2005-2015 by the Quassel Project *
+* devel@quassel-irc.org *
+* *
+* This program 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 2 of the License, or *
+* (at your option) version 3. *
+* *
+* This program 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 this program; if not, write to the *
+* Free Software Foundation, Inc., *
+* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
+***************************************************************************/
+#include "treeviewtouch.h"
+
+#include <QtCore>
+#include <QTouchEvent>
+#include <QScrollBar>
+
+TreeViewTouch::TreeViewTouch(QWidget *parent)
+ : QTreeView(parent)
+{
+ setAttribute(Qt::WA_AcceptTouchEvents);
+}
+
+
+bool TreeViewTouch::event(QEvent *event) {
+ if (event->type() == QEvent::TouchBegin && _lastTouchStart < QDateTime::currentMSecsSinceEpoch() - 1000) { //(slow) double tab = normal behaviour = select multiple. 1000 ok?
+ _touchScrollInProgress = true;
+ _lastTouchStart = QDateTime::currentMSecsSinceEpoch();
+ setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
+ return true;
+ }
+
+ if (event->type() == QEvent::TouchUpdate && _touchScrollInProgress) {
+ QTouchEvent::TouchPoint p = ((QTouchEvent*)event)->touchPoints().at(0);
+ verticalScrollBar()->setValue(verticalScrollBar()->value() - (p.pos().y() - p.lastPos().y()));
+ return true;
+ }
+
+#if QT_VERSION >= 0x050000
+ if (event->type() == QEvent::TouchEnd || event->type() == QEvent::TouchCancel) {
+#else
+ if (event->type() == QEvent::TouchEnd) {
+#endif
+ _touchScrollInProgress = false;
+ return true;
+ }
+
+ return QTreeView::event(event);
+}
+
+void TreeViewTouch::mousePressEvent(QMouseEvent * event) {
+ if (!_touchScrollInProgress)
+ QTreeView::mousePressEvent(event);
+}
+
+void TreeViewTouch::mouseMoveEvent(QMouseEvent * event) {
+ if (!_touchScrollInProgress)
+ QTreeView::mouseMoveEvent(event);
+};