From 30969b490cdf9bc1c98e3700527ffc62ebb4ba10 Mon Sep 17 00:00:00 2001
From: Friso Smit <fw.smit01@gmail.com>
Date: Sun, 5 Feb 2023 20:46:57 +0100
Subject: [PATCH] Move continuous zoom to a function

---
 part/pageview.cpp | 19 ++++++++++++-------
 part/pageview.h   |  1 +
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/part/pageview.cpp b/part/pageview.cpp
index 93c7c4dbf..0acbab3ab 100644
--- a/part/pageview.cpp
+++ b/part/pageview.cpp
@@ -2195,6 +2195,17 @@ void PageView::tabletEvent(QTabletEvent *e)
     }
 }
 
+void PageView::continuousZoom(double delta)
+{
+    if (delta) {
+        d->zoomFactor *= (1.0 + (delta / 500.0));
+        d->blockPixmapsRequest = true;
+        updateZoom(ZoomRefreshCurrent);
+        d->blockPixmapsRequest = false;
+        viewport()->update();
+    }
+}
+
 void PageView::mouseMoveEvent(QMouseEvent *e)
 {
     // For some reason in Qt 5.11.2 (no idea when this started) all wheel
@@ -2227,13 +2238,7 @@ void PageView::mouseMoveEvent(QMouseEvent *e)
         }
 
         // update zoom level, perform zoom and redraw
-        if (deltaY) {
-            d->zoomFactor *= (1.0 + ((double)deltaY / 500.0));
-            d->blockPixmapsRequest = true;
-            updateZoom(ZoomRefreshCurrent);
-            d->blockPixmapsRequest = false;
-            viewport()->update();
-        }
+        continuousZoom(deltaY);
         return;
     }
 
diff --git a/part/pageview.h b/part/pageview.h
index c873cf065..5e5c81857 100644
--- a/part/pageview.h
+++ b/part/pageview.h
@@ -156,6 +156,7 @@ protected:
 
     void paintEvent(QPaintEvent *e) override;
     void tabletEvent(QTabletEvent *e) override;
+    void continuousZoom(double delta);
     void mouseMoveEvent(QMouseEvent *e) override;
     void mousePressEvent(QMouseEvent *e) override;
     void mouseReleaseEvent(QMouseEvent *e) override;