From c0e5d7d4195e1a56052af9b36ef24f7bb20632c7 Mon Sep 17 00:00:00 2001
From: Ly-sec <itslysec@gmail.com>
Date: Thu, 30 Oct 2025 12:42:42 +0100
Subject: [PATCH] SetupWallpaperStep: add scrollwheel support

---
 Modules/SetupWizard/SetupWallpaperStep.qml | 23 ++++++++++++++++++++++
 Services/WallpaperService.qml              |  4 ++--
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/Modules/SetupWizard/SetupWallpaperStep.qml b/Modules/SetupWizard/SetupWallpaperStep.qml
index aa915f72..4725247d 100644
--- a/Modules/SetupWizard/SetupWallpaperStep.qml
+++ b/Modules/SetupWizard/SetupWallpaperStep.qml
@@ -199,11 +199,34 @@ ColumnLayout {
     visible: filteredWallpapers.length > 0
 
     ScrollView {
+      id: galleryScroll
       anchors.fill: parent
       clip: true
       ScrollBar.horizontal.policy: ScrollBar.AsNeeded
       ScrollBar.vertical.policy: ScrollBar.AlwaysOff
 
+      // Enable vertical mouse wheel to scroll the horizontal strip by moving contentX
+      WheelHandler {
+        target: galleryScroll.contentItem
+        acceptedDevices: PointerDevice.Mouse | PointerDevice.TouchPad
+        onWheel: event => {
+                   const flick = galleryScroll.contentItem
+                   if (!flick)
+                   return
+                   const delta = event.pixelDelta.x !== 0 || event.pixelDelta.y !== 0 ? (event.pixelDelta.y !== 0 ? event.pixelDelta.y : event.pixelDelta.x) : (event.angleDelta.y !== 0 ? event.angleDelta.y : event.angleDelta.x)
+                   // Move opposite of wheel to scroll content to the right for wheel down
+                   const step = -delta
+                   const maxX = Math.max(0, flick.contentWidth - flick.width)
+                   let newX = flick.contentX + step
+                   if (newX < 0)
+                   newX = 0
+                   if (newX > maxX)
+                   newX = maxX
+                   flick.contentX = newX
+                   event.accepted = true
+                 }
+      }
+
       RowLayout {
         spacing: Style.marginM
         height: parent.height
diff --git a/Services/WallpaperService.qml b/Services/WallpaperService.qml
index b923365f..864a041f 100644
--- a/Services/WallpaperService.qml
+++ b/Services/WallpaperService.qml
@@ -377,12 +377,12 @@ Singleton {
         var scanner = wallpaperScanners.objectAt(i)
         if (scanner) {
           // Capture scanner in closure
-          (function(s) {
+          (function (s) {
             var directory = root.getMonitorDirectory(s.screenName)
             // Trigger a change by setting to /tmp (always exists) then back to the actual directory
             // Note: This causes harmless Qt warnings (QTBUG-52262) but is necessary to force FolderListModel to re-scan
             s.currentDirectory = "/tmp"
-            Qt.callLater(function() {
+            Qt.callLater(function () {
               s.currentDirectory = directory
             })
           })(scanner)