From 0826a61dc6a66384ce38d0ca9960a077d7004bb7 Mon Sep 17 00:00:00 2001
From: Mike Skec <skec@protonmail.ch>
Date: Thu, 7 Jan 2021 21:40:32 +1100
Subject: Touch device support

---
 src/widgets/kristalltextbrowser.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/widgets/kristalltextbrowser.cpp')

diff --git a/src/widgets/kristalltextbrowser.cpp b/src/widgets/kristalltextbrowser.cpp
index 31c3da9..1aaabdc 100644
--- a/src/widgets/kristalltextbrowser.cpp
+++ b/src/widgets/kristalltextbrowser.cpp
@@ -1,6 +1,8 @@
 #include "kristalltextbrowser.hpp"
 
 #include <QMouseEvent>
+#include <QScroller>
+#include <QTouchDevice>
 
 KristallTextBrowser::KristallTextBrowser(QWidget *parent) :
     QTextBrowser(parent)
@@ -8,7 +10,11 @@ KristallTextBrowser::KristallTextBrowser(QWidget *parent) :
     connect(this, &QTextBrowser::anchorClicked, this, &KristallTextBrowser::on_anchorClicked);
 
     // Enable touch scrolling
-    this->viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
+    if (QTouchDevice::devices().length() > 0)
+    {
+        this->viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
+        QScroller::grabGesture(this, QScroller::LeftMouseButtonGesture);
+    }
 }
 
 void KristallTextBrowser::mouseReleaseEvent(QMouseEvent *event)
-- 
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