GridView: adjust the size of the icon with Ctrl + Wheel

qml/Desktop/main.qml

@@ -72,10 +72,15 @@ Item {
 
         isDesktopView: true
         iconSize: globalSettings.desktopIconSize
+        maximumIconSize: globalSettings.maximumIconSize
+        minimumIconSize: globalSettings.minimumIconSize
         focus: true
-
         model: folderModel
 
+        onIconSizeChanged: {
+            globalSettings.desktopIconSize = _folderView.iconSize
+        }
+
         leftMargin: desktopView.screenAvailableRect ? desktopView.screenAvailableRect.x : 0
         topMargin: desktopView.screenAvailableRect ? desktopView.screenAvailableRect.y : 0
         rightMargin: desktopView.screenRect.width - (desktopView.screenAvailableRect.x + desktopView.screenAvailableRect.width)
@@ -84,6 +89,11 @@ Item {
         flow: GridView.FlowTopToBottom
 
         delegate: FolderGridItem {}
+
+        onActiveFocusChanged: {
+            if (!activeFocus)
+                folderModel.clearSelection()
+        }
     }
 
     Connections {

qml/FolderGridView.qml

@@ -31,6 +31,8 @@ GridView {
     property int anchorIndex: 0
 
     property var iconSize: settings.gridIconSize
+    property var maximumIconSize: settings.maximumIconSize
+    property var minimumIconSize: settings.minimumIconSize
 
     property variant cachedRectangleSelection: null
 
@@ -276,6 +278,15 @@ GridView {
 
         onReleased: pressCanceled()
         onCanceled: pressCanceled()
+
+        onWheel: {
+            if (wheel.modifiers & Qt.ControlModifier) {
+                if (wheel.angleDelta.y > 0)
+                    control.increaseIconSize()
+                else
+                    control.decreaseIconSize()
+            }
+        }
     }
 
     function clearPressState() {
@@ -376,6 +387,24 @@ GridView {
         return Math.floor(extraSpacing)
     }
 
+    function increaseIconSize() {
+        if (iconSize >= control.maximumIconSize) {
+            iconSize = control.maximumIconSize
+            return
+        }
+
+        iconSize += (iconSize * 0.1)
+    }
+
+    function decreaseIconSize() {
+        if (iconSize <= control.minimumIconSize) {
+            iconSize = control.minimumIconSize
+            return
+        }
+
+        iconSize -= (iconSize * 0.1)
+    }
+
     Component {
         id: editorComponent
 

qml/FolderPage.qml

@@ -129,6 +129,11 @@ Item {
             topMargin: Meui.Units.smallSpacing
             bottomMargin: Meui.Units.smallSpacing
 
+            onIconSizeChanged: {
+                // Save
+                settings.gridIconSize = _gridView.iconSize
+            }
+
             onCountChanged: {
                 _fileTips.visible = count === 0
             }

qml/GlobalSettings.qml

@@ -2,7 +2,7 @@ import QtQuick 2.12
 import Qt.labs.settings 1.0
 
 Settings {
-    property int viewMethod: 0
+    property int viewMethod: 1
     property bool showHidden: false
     property int width: 900
     property int height: 580