From a5be0149ec627fbc086e5b26cbbe7be13cde49b8 Mon Sep 17 00:00:00 2001
From: Kezi Olio <keziolio123@gmail.com>
Date: Tue, 15 Sep 2020 14:11:30 +0200
Subject: [PATCH] Restore mouse drag scrolling, so it starts immediately

QScroller uses a minimum drag distance before drag scrolling starts by default.
This sets the minimum distance to 0.0, to restore the original behavior of the Browse tool.

BUG: 420842
---
 ui/pageview.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ui/pageview.cpp b/ui/pageview.cpp
index e2798bbbb..01fc5513b 100644
--- a/ui/pageview.cpp
+++ b/ui/pageview.cpp
@@ -421,6 +421,7 @@ PageView::PageView(QWidget *parent, Okular::Document *document)
     prop.setScrollMetric(QScrollerProperties::MaximumVelocity, 1);
     prop.setScrollMetric(QScrollerProperties::HorizontalOvershootPolicy, QScrollerProperties::OvershootAlwaysOff);
     prop.setScrollMetric(QScrollerProperties::VerticalOvershootPolicy, QScrollerProperties::OvershootAlwaysOff);
+    prop.setScrollMetric(QScrollerProperties::DragStartDistance, 0.0);
     d->scroller->setScrollerProperties(prop);
 
     connect(d->scroller, &QScroller::stateChanged, this, &PageView::slotRequestVisiblePixmaps);