initial commit

services/AppLauncher.qml

@@ -0,0 +1,48 @@
+pragma Singleton
+
+import Quickshell
+// Required: execDetached's context overload takes a processContext value type
+// from this module, and without the import the call fails to resolve.
+import Quickshell.Io
+import qs.config
+
+// Quickshell's DesktopEntry.execute() deliberately ignores both Terminal=true
+// and Exec field codes, so entries are launched here instead. Without this,
+// entries like `firefox %U` are started with a literal "%U" argument.
+Singleton {
+    id: root
+
+    function withoutFieldCodes(command: var): var {
+        const out = [];
+
+        for (const arg of command) {
+            // "%%" is an escaped percent and collapses to one. Every other
+            // %<char> is a field code the spec says to substitute with files,
+            // URLs or icons — launching from a menu has nothing to substitute,
+            // so they are removed.
+            const cleaned = arg.replace(/%(.)/g, (match, char) => char === "%" ? "%" : "");
+
+            // An argument that was nothing but a field code is dropped.
+            if (cleaned !== "")
+                out.push(cleaned);
+        }
+
+        return out;
+    }
+
+    function launch(entry: var): void {
+        const command = root.withoutFieldCodes(entry.command);
+        if (command.length === 0)
+            return;
+
+        const argv = entry.runInTerminal ? [...Config.terminal, ...command] : command;
+        const options = {
+            command: argv
+        };
+
+        if (entry.workingDirectory)
+            options.workingDirectory = entry.workingDirectory;
+
+        Quickshell.execDetached(options);
+    }
+}