Wallpaper: added random transition + fixed "none" transition

Commons/Settings.qml

@@ -169,7 +169,7 @@ Singleton {
         property bool randomEnabled: false
         property int randomIntervalSec: 300 // 5 min
         property int transitionDuration: 1500 // 1500 ms
-        property string transitionType: "fade"
+        property string transitionType: "random"
         property list<var> monitors: []
       }
 

Modules/Background/Background.qml

@@ -19,8 +19,10 @@ Variants {
 
       // Internal state management
       property bool firstWallpaper: true
+      property string transitionType: 'fade'
       property bool transitioning: false
       property real transitionProgress: 0.0
+      readonly property var allTransitions: WallpaperService.allTransitions
 
       // Wipe direction: 0=left, 1=right, 2=up, 3=down
       property real wipeDirection: 0
@@ -38,7 +40,22 @@ Variants {
             return
           }
 
-          switch (Settings.data.wallpaper.transitionType) {
+          // Get the transitionType from the settings
+          transitionType = Settings.data.wallpaper.transitionType
+
+          if (transitionType == 'random') {
+            var index = Math.floor(Math.random() * allTransitions.length)
+            transitionType = allTransitions[index]
+          }
+
+          // Ensure the transition type really exists
+          if (transitionType !== "none" && !allTransitions.includes(transitionType)) {
+            transitionType = 'fade'
+          }
+
+          Logger.log("Background", "Using transition:", transitionType)
+
+          switch (transitionType) {
           case "none":
             setWallpaperImmediate(servicedWallpaper)
             break
@@ -83,10 +100,10 @@ Variants {
         anchors.fill: parent
         fillMode: Image.PreserveAspectCrop
         source: ""
-        cache: true
         smooth: true
         mipmap: false
         visible: false
+        cache: false
       }
 
       Image {
@@ -94,17 +111,17 @@ Variants {
         anchors.fill: parent
         fillMode: Image.PreserveAspectCrop
         source: ""
-        cache: true
         smooth: true
         mipmap: false
         visible: false
+        cache: false
       }
 
       // Fade transition shader
       ShaderEffect {
         id: fadeShader
         anchors.fill: parent
-        visible: Settings.data.wallpaper.transitionType === 'fade'
+        visible: transitionType === 'fade' || transitionType === 'none'
 
         property variant source1: currentWallpaper
         property variant source2: nextWallpaper
@@ -116,7 +133,7 @@ Variants {
       ShaderEffect {
         id: wipeShader
         anchors.fill: parent
-        visible: Settings.data.wallpaper.transitionType.startsWith('wipe_')
+        visible: transitionType.startsWith('wipe_')
 
         property variant source1: currentWallpaper
         property variant source2: nextWallpaper
@@ -134,14 +151,7 @@ Variants {
         from: 0.0
         to: 1.0
         duration: Settings.data.wallpaper.transitionDuration ?? 1000
-        easing.type: {
-          const transitionType = Settings.data.wallpaper.transitionType ?? 'fade'
-          if (transitionType.startsWith('wipe_')) {
-            return Easing.InOutCubic
-          }
-          return Easing.InOutCubic
-        }
-
+        easing.type: transitionType.startsWith('wipe_') ? Easing.InOutCubic : Easing.InOutCubic
         onFinished: {
           // Swap images after transition completes
           currentWallpaper.source = nextWallpaper.source

Modules/Background/Overview.qml

@@ -37,9 +37,9 @@ Variants {
         anchors.fill: parent
         fillMode: Image.PreserveAspectCrop
         source: WallpaperService.getWallpaper(modelData.name)
-        cache: true
         smooth: true
         mipmap: false
+        cache: false
       }
 
       MultiEffect {

Services/WallpaperService.qml

@@ -19,6 +19,10 @@ Singleton {
       key: "none"
       name: "None"
     }
+    ListElement {
+      key: "random"
+      name: "Random"
+    }
     ListElement {
       key: "fade"
       name: "Fade"
@@ -41,6 +45,12 @@ Singleton {
     }
   }
 
+  // All transition keys but filter out "random"
+  readonly property var allTransitions: Array.from({
+                                                     "length": transitionsModel.count
+                                                   }, (_, i) => transitionsModel.get(i).key).filter(
+                                          key => key !== "random" && key != "none")
+
   property var wallpaperLists: ({})
   property int scanningCount: 0
   readonly property bool scanning: (scanningCount > 0)