Model wallpaper display policies

2026-08-18 15:00:18 -04:00
parent 3e98cc2216
commit c8004e400a
4 changed files with 263 additions and 0 deletions
@@ -0,0 +1,58 @@
+import Quickshell
+import Quickshell.Io
+import QtQuick
+
+import "services/WallpaperPolicy.js" as WallpaperPolicy
+
+ShellRoot {
+    readonly property var candidates: ["/images/a.jpg", "/images/b.jpg", "/images/c.jpg"]
+    readonly property var outputs: ["DP-2", "HDMI-A-1"]
+
+    IpcHandler {
+        target: "wallpaper-policy-test"
+
+        function status(): string {
+            const collection = WallpaperPolicy.validCollection([
+                "/images/a.jpg", "/invalid.jpg", "/images/b.jpg",
+                "/images/a.jpg", "relative.jpg", "/images/c.jpg"
+            ], candidates);
+            const assignments = WallpaperPolicy.validAssignments({
+                "DP-2": "/images/b.jpg",
+                "HDMI-A-1": "/invalid.jpg",
+                "bad connector!": "/images/c.jpg"
+            }, candidates);
+            return JSON.stringify({
+                validAbsolute: WallpaperPolicy.validPath("/images/a.jpg", candidates),
+                invalidComma: WallpaperPolicy.validPath("/images/a,b.jpg", candidates),
+                invalidUnknown: WallpaperPolicy.validPath("/images/nope.jpg", candidates),
+                collection,
+                assignments,
+                single: WallpaperPolicy.effectiveMap(
+                    "single", "/images/a.jpg", "", assignments, outputs, candidates),
+                perMonitor: WallpaperPolicy.effectiveMap(
+                    "per-monitor", "/images/a.jpg", "", assignments, outputs, candidates),
+                slideshow: WallpaperPolicy.effectiveMap(
+                    "slideshow", "/images/a.jpg", "/images/c.jpg", assignments, outputs, candidates),
+                ordered: [
+                    WallpaperPolicy.orderedNext(collection, "/images/a.jpg"),
+                    WallpaperPolicy.orderedNext(collection, "/images/b.jpg"),
+                    WallpaperPolicy.orderedNext(collection, "/images/c.jpg")
+                ]
+            });
+        }
+
+        function shuffle(): string {
+            const values = [0.8, 0.1, 0.6, 0.2, 0.9, 0.4];
+            let index = 0;
+            const random = () => values[index++ % values.length];
+            let state = { bag: [], current: "" };
+            const emitted = [];
+            for (let count = 0; count < 4; count++) {
+                state = WallpaperPolicy.shuffledNext(candidates, state.bag, state.current, random);
+                emitted.push(state.path);
+                state.current = state.path;
+            }
+            return JSON.stringify({ emitted, remaining: state.bag });
+        }
+    }
+}