From f4652b3f7bc6fd980ad8431cab05cd5fa3228d02 Mon Sep 17 00:00:00 2001
From: Chocobo1 <Chocobo1@users.noreply.github.com>
Date: Sun, 27 Nov 2016 15:14:41 +0800
Subject: [PATCH] Shift + scroll = horizontal scroll, Closes #5980

Only for TransferListWidget, PeerListWidget
---
 src/gui/properties/peerlistwidget.cpp | 14 ++++++++++++++
 src/gui/properties/peerlistwidget.h   |  2 ++
 src/gui/transferlistwidget.cpp        | 15 +++++++++++++++
 src/gui/transferlistwidget.h          |  2 ++
 4 files changed, 33 insertions(+)

diff --git a/src/gui/properties/peerlistwidget.cpp b/src/gui/properties/peerlistwidget.cpp
index 1189a1a95..258fc553e 100644
--- a/src/gui/properties/peerlistwidget.cpp
+++ b/src/gui/properties/peerlistwidget.cpp
@@ -35,6 +35,7 @@
 #include <QMenu>
 #include <QClipboard>
 #include <QMessageBox>
+#include <QWheelEvent>
 #ifdef QBT_USES_QT5
 #include <QTableView>
 #endif
@@ -455,3 +456,16 @@ void PeerListWidget::handleSortColumnChanged(int col)
     }
 }
 
+void PeerListWidget::wheelEvent(QWheelEvent *event)
+{
+    event->accept();
+
+    if(event->modifiers() & Qt::ShiftModifier) {
+        // Shift + scroll = horizontal scroll
+        QWheelEvent scrollHEvent(event->pos(), event->globalPos(), event->delta(), event->buttons(), event->modifiers(), Qt::Horizontal);
+        QTreeView::wheelEvent(&scrollHEvent);
+        return;
+    }
+
+    QTreeView::wheelEvent(event);  // event delegated to base class
+}
diff --git a/src/gui/properties/peerlistwidget.h b/src/gui/properties/peerlistwidget.h
index 7b4ca50ef..6a6de5abb 100644
--- a/src/gui/properties/peerlistwidget.h
+++ b/src/gui/properties/peerlistwidget.h
@@ -85,6 +85,8 @@ private slots:
     void handleResolved(const QString &ip, const QString &hostname);
 
 private:
+    void wheelEvent(QWheelEvent *event) override;
+
     QStandardItemModel *m_listModel;
     PeerListDelegate *m_listDelegate;
     PeerListSortModel *m_proxyModel;
diff --git a/src/gui/transferlistwidget.cpp b/src/gui/transferlistwidget.cpp
index b8ba5798c..ae193f55c 100644
--- a/src/gui/transferlistwidget.cpp
+++ b/src/gui/transferlistwidget.cpp
@@ -40,6 +40,7 @@
 #include <QRegExp>
 #include <QFileDialog>
 #include <QMessageBox>
+#include <QWheelEvent>
 #ifdef QBT_USES_QT5
 #include <QTableView>
 #endif
@@ -933,6 +934,20 @@ bool TransferListWidget::loadSettings()
     return ok;
 }
 
+void TransferListWidget::wheelEvent(QWheelEvent *event)
+{
+    event->accept();
+
+    if(event->modifiers() & Qt::ShiftModifier) {
+        // Shift + scroll = horizontal scroll
+        QWheelEvent scrollHEvent(event->pos(), event->globalPos(), event->delta(), event->buttons(), event->modifiers(), Qt::Horizontal);
+        QTreeView::wheelEvent(&scrollHEvent);
+        return;
+    }
+
+    QTreeView::wheelEvent(event);  // event delegated to base class
+}
+
 QStringList extractHashes(const QList<BitTorrent::TorrentHandle *> &torrents)
 {
     QStringList hashes;
diff --git a/src/gui/transferlistwidget.h b/src/gui/transferlistwidget.h
index 46ec1c371..18b300f3f 100644
--- a/src/gui/transferlistwidget.h
+++ b/src/gui/transferlistwidget.h
@@ -115,6 +115,8 @@ signals:
     void currentTorrentChanged(BitTorrent::TorrentHandle *const torrent);
 
 private:
+    void wheelEvent(QWheelEvent *event) override;
+
     TransferListDelegate *listDelegate;
     TorrentModel *listModel;
     TransferListSortModel *nameFilterModel;