From 740eab502543089c5a2ed15b5538f0c03ffee852 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luis=20=C3=81ngel=20San=20Mart=C3=ADn?=
 <luisangelsm@gmail.com>
Date: Fri, 1 Oct 2021 20:07:14 +0200
Subject: [PATCH] Update QWheelEvent delta usage

---
 YACReader/goto_flow.cpp        |  2 +-
 YACReader/magnifying_glass.cpp |  8 ++++----
 YACReader/viewer.cpp           | 10 +++++-----
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/YACReader/goto_flow.cpp b/YACReader/goto_flow.cpp
index 89b3ff6b..615204df 100644
--- a/YACReader/goto_flow.cpp
+++ b/YACReader/goto_flow.cpp
@@ -195,7 +195,7 @@ void GoToFlow::updateImageData()
 
 void GoToFlow::wheelEvent(QWheelEvent *event)
 {
-    if (event->delta() < 0)
+    if (event->pixelDelta().y() < 0)
         flow->showNext();
     else
         flow->showPrevious();
diff --git a/YACReader/magnifying_glass.cpp b/YACReader/magnifying_glass.cpp
index 49e3dab4..cccd028a 100644
--- a/YACReader/magnifying_glass.cpp
+++ b/YACReader/magnifying_glass.cpp
@@ -144,28 +144,28 @@ void MagnifyingGlass::wheelEvent(QWheelEvent *event)
     switch (event->modifiers()) {
     // size
     case Qt::NoModifier:
-        if (event->delta() < 0)
+        if (event->pixelDelta().y() < 0)
             sizeUp();
         else
             sizeDown();
         break;
     // size height
     case Qt::ControlModifier:
-        if (event->delta() < 0)
+        if (event->pixelDelta().y() < 0)
             heightUp();
         else
             heightDown();
         break;
     // size width
     case Qt::AltModifier:
-        if (event->delta() < 0)
+        if (event->pixelDelta().y() < 0)
             widthUp();
         else
             widthDown();
         break;
     // zoom level
     case Qt::ShiftModifier:
-        if (event->delta() < 0)
+        if (event->pixelDelta().y() < 0)
             zoomIn();
         else
             zoomOut();
diff --git a/YACReader/viewer.cpp b/YACReader/viewer.cpp
index 6f2ee1fa..029f306f 100644
--- a/YACReader/viewer.cpp
+++ b/YACReader/viewer.cpp
@@ -689,12 +689,12 @@ static void animateScroll(QPropertyAnimation &scroller, const QScrollBar &scroll
 void Viewer::wheelEvent(QWheelEvent *event)
 {
     if (render->hasLoadedComic()) {
-        if (event->orientation() == Qt::Horizontal) {
-            animateScroll(*horizontalScroller, *horizontalScrollBar(), event->delta());
+        if (event->pixelDelta().x() != 0) {
+            animateScroll(*horizontalScroller, *horizontalScrollBar(), event->pixelDelta().x());
             return;
         }
 
-        if ((event->delta() < 0) && (verticalScrollBar()->sliderPosition() == verticalScrollBar()->maximum())) {
+        if ((event->pixelDelta().y() < 0) && (verticalScrollBar()->sliderPosition() == verticalScrollBar()->maximum())) {
             if (wheelStop || verticalScrollBar()->maximum() == verticalScrollBar()->minimum()) {
                 if (getMovement(event) == Forward) {
                     next();
@@ -706,7 +706,7 @@ void Viewer::wheelEvent(QWheelEvent *event)
             } else
                 wheelStop = true;
         } else {
-            if ((event->delta() > 0) && (verticalScrollBar()->sliderPosition() == verticalScrollBar()->minimum())) {
+            if ((event->pixelDelta().y() > 0) && (verticalScrollBar()->sliderPosition() == verticalScrollBar()->minimum())) {
                 if (wheelStop || verticalScrollBar()->maximum() == verticalScrollBar()->minimum()) {
                     if (getMovement(event) == Backward) {
                         prev();
@@ -720,7 +720,7 @@ void Viewer::wheelEvent(QWheelEvent *event)
             }
         }
 
-        animateScroll(*verticalScroller, *verticalScrollBar(), event->delta());
+        animateScroll(*verticalScroller, *verticalScrollBar(), event->pixelDelta().y());
     }
 }