feat: add wallpaper transitions, store crop in database per-wallpaper, move CUDA context creation to async thread

Modules/Settings/Common/WallpaperCropper.qml

@@ -14,10 +14,13 @@ Item {
 	id: wrapper
 
 	readonly property bool isVideo: Wallpapers.currentIsVideo
+	readonly property string currentWallpaper: Wallpapers.current
 	readonly property var currentScreen: screens.length > selectedScreenIndex ? screens[selectedScreenIndex] : null
 	readonly property real maxZoom: 5.0
 	readonly property bool changesMade: {
 		cropRevision;
+		Wallpapers.cropVersion;
+		wrapper.currentWallpaper;
 
 		const r = cropRectLoader.item;
 		if (!r || !currentScreen || scaledImg.status !== Image.Ready)
@@ -115,6 +118,9 @@ Item {
 		refreshScreens();
 		Qt.callLater(syncCropToScreen);
 	}
+	onCurrentWallpaperChanged: {
+		Qt.callLater(syncCropToScreen);
+	}
 	onSelectedScreenIndexChanged: {
 		Qt.callLater(syncCropToScreen);
 	}

Modules/Settings/Pages/WallpaperPage.qml

@@ -13,6 +13,42 @@ import qs.Services
 PageBase {
 	id: root
 
+	readonly property list<MenuItem> wallTransitions: [
+		MenuItem {
+			text: "Bowtie"
+		},
+		MenuItem {
+			text: "Fade"
+		},
+		MenuItem {
+			text: "LinearBlur"
+		},
+		MenuItem {
+			text: "WindowSlices"
+		},
+		MenuItem {
+			text: "WipeRight"
+		},
+		MenuItem {
+			text: "WipeDown"
+		},
+		MenuItem {
+			text: "TilesWave"
+		},
+		MenuItem {
+			text: "SplitSlideInHorizontal"
+		},
+		MenuItem {
+			text: "Hexagonalize"
+		},
+		MenuItem {
+			text: "DoomMelt"
+		},
+		MenuItem {
+			text: "Random"
+		}
+	]
+
 	title: qsTr("Wallpaper & style")
 
 	ColumnLayout {
@@ -73,6 +109,18 @@ PageBase {
 			onToggled: Config.background.enabled = checked
 		}
 
+		SelectRow {
+			Layout.topMargin: Tokens.spacing.extraSmall / 2 - parent.spacing
+			active: root.wallTransitions[Config.background.wallTransition]
+			menuItems: root.wallTransitions
+			menuOnTop: true
+			settingAnchor: "style-wallpaper-transition"
+			subtext: qsTr("Currently selected: %1").arg(active.text)
+			text: qsTr("Wallpaper transition")
+
+			onSelected: item => Config.background.wallTransition = root.wallTransitions.indexOf(item)
+		}
+
 		ToggleRow {
 			Layout.topMargin: Tokens.spacing.extraSmall / 2 - parent.spacing
 			checked: Colors.transparency.enabled