Taskbar: Support arbitrary executables as QuickLaunch entries

Author: https://github.com/sppmacd
Commit: 3022baddc2
Pull-request: https://github.com/SerenityOS/serenity/pull/11488
Reviewed-by: https://github.com/awesomekling

Userland/Services/Taskbar/QuickLaunchWidget.h

@@ -39,6 +39,21 @@ private:
     NonnullRefPtr<Desktop::AppFile> m_app_file;
 };
 
+class QuickLaunchEntryExecutable : public QuickLaunchEntry {
+public:
+    explicit QuickLaunchEntryExecutable(String path)
+        : m_path(move(path))
+    {
+    }
+
+    virtual ErrorOr<void> launch() const override;
+    virtual GUI::Icon icon() const override;
+    virtual String name() const override;
+
+private:
+    String m_path;
+};
+
 class QuickLaunchWidget : public GUI::Frame
     , public Config::Listener {
     C_OBJECT(QuickLaunchWidget);