Fix zooming animation

Current implementation of the zooming animation is a bit buggy.
This MR fixes the following issues:
* in the Icon view mode, the icons sometimes "jump"
* in the Compact view mode, the labels sometimes are cut off

BUG: 449179

2 files changed, 11 insertions, 3 deletions

diff --git a/src/kitemviews/private/kitemlistviewanimation.cpp b/src/kitemviews/private/kitemlistviewanimation.cpp
index 9dc5fbada..0c16c8b0a 100644
--- a/src/kitemviews/private/kitemlistviewanimation.cpp
+++ b/src/kitemviews/private/kitemlistviewanimation.cpp
@@ -146,7 +146,15 @@ void KItemListViewAnimation::start(QGraphicsWidget* widget, AnimationType type,
         break;
     }
 
+    case IconResizeAnimation: {
+        propertyAnim = new QPropertyAnimation(widget, QByteArrayLiteral("iconSize"));
+        propertyAnim->setDuration(animationDuration);
+        propertyAnim->setEndValue(endValue);
+        break;
+    }
+
     default:
+        Q_UNREACHABLE();
         break;
     }
 
diff --git a/src/kitemviews/private/kitemlistviewanimation.h b/src/kitemviews/private/kitemlistviewanimation.h
index 8d11dbf89..5e0ebf982 100644
--- a/src/kitemviews/private/kitemlistviewanimation.h
+++ b/src/kitemviews/private/kitemlistviewanimation.h
@@ -32,7 +32,9 @@ public:
         MovingAnimation,
         CreateAnimation,
         DeleteAnimation,
-        ResizeAnimation
+        ResizeAnimation,
+        IconResizeAnimation,
+        AnimationTypeCount
     };
 
     explicit KItemListViewAnimation(QObject* parent = nullptr);
@@ -79,8 +81,6 @@ private Q_SLOTS:
     void slotFinished();
 
 private:
-    enum { AnimationTypeCount = 4 };
-
     Qt::Orientation m_scrollOrientation;
     qreal m_scrollOffset;
     QHash<QGraphicsWidget*, QPropertyAnimation*> m_animation[AnimationTypeCount];