From: romibi <romibi@bluewin.ch>
Date: Fri, 10 Jun 2016 23:48:11 +0000 (+0200)
Subject: Enable Touch Scroll in Nick-View
X-Git-Tag: travis-deploy-test~476
X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=commitdiff_plain;h=7582027d5f569c8487d17959d6aa9e6ca6d2aa33

Enable Touch Scroll in Nick-View
---

diff --git a/src/uisupport/nickview.cpp b/src/uisupport/nickview.cpp
index b1a5a4d1..ea29d3fe 100644
--- a/src/uisupport/nickview.cpp
+++ b/src/uisupport/nickview.cpp
@@ -25,6 +25,8 @@
 #include <QScrollBar>
 #include <QDebug>
 #include <QMenu>
+#include <QTouchEvent>
+#include <QScrollBar>
 
 #include "buffermodel.h"
 #include "client.h"
@@ -72,6 +74,7 @@ void NickView::init()
 
     connect(selectionModel(), SIGNAL(currentChanged(QModelIndex, QModelIndex)), SIGNAL(selectionUpdated()));
     connect(selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)), SIGNAL(selectionUpdated()));
+	setAttribute(Qt::WA_AcceptTouchEvents);
 }
 
 
@@ -150,3 +153,39 @@ void NickView::startQuery(const QModelIndex &index)
 
     Client::bufferModel()->switchToOrStartQuery(networkId, ircUser->nick());
 }
+
+bool NickView::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 NickView::mousePressEvent(QMouseEvent * event) {
+	if (!_touchScrollInProgress)
+		QTreeView::mousePressEvent(event);
+}
+
+void NickView::mouseMoveEvent(QMouseEvent * event) {
+	if (!_touchScrollInProgress)
+		QTreeView::mouseMoveEvent(event);
+}
diff --git a/src/uisupport/nickview.h b/src/uisupport/nickview.h
index bb1c948e..8638039a 100644
--- a/src/uisupport/nickview.h
+++ b/src/uisupport/nickview.h
@@ -37,6 +37,9 @@ protected:
 
     //! This reimplementation ensures that the current index is first in list
     virtual QModelIndexList selectedIndexes() const;
+	virtual bool event(QEvent *event);
+	virtual void mouseMoveEvent(QMouseEvent *event);
+	virtual void mousePressEvent(QMouseEvent *event);
 
     void unanimatedExpandAll();
 
@@ -52,6 +55,8 @@ signals:
 
 private:
     friend class NickListWidget; // needs selectedIndexes()
+	qint64 _lastTouchStart = 0;
+	bool _touchScrollInProgress = false;
 };