desktop: URL-decode the window title (fix #15454)

Cargo.lock

@@ -4392,6 +4392,7 @@ dependencies = [
  "tracing-tracy",
  "unic-langid",
  "url",
+ "urlencoding",
  "vergen",
  "webbrowser",
  "wgpu",

desktop/Cargo.toml

@@ -48,6 +48,7 @@ async-net = "2.0.0"
 async-channel = "2.2.0"
 toml_edit = { version = "0.22.6", features = ["parse"] }
 gilrs = "0.10"
+urlencoding = "2.1.3"
 
 # Deliberately held back to match tracy client used by profiling crate
 tracing-tracy = { version = "=0.10.4", optional = true }

desktop/src/player.rs

@@ -19,12 +19,14 @@ use ruffle_render::backend::RenderBackend;
 use ruffle_render::quality::StageQuality;
 use ruffle_render_wgpu::backend::WgpuRenderBackend;
 use ruffle_render_wgpu::descriptors::Descriptors;
+use std::borrow::Cow;
 use std::collections::{HashMap, HashSet};
 use std::path::PathBuf;
 use std::rc::Rc;
 use std::sync::{Arc, Mutex, MutexGuard};
 use std::time::Duration;
 use url::Url;
+use urlencoding::decode;
 use winit::event_loop::EventLoopProxy;
 use winit::window::Window;
 
@@ -192,7 +194,9 @@ impl ActivePlayer {
             .unwrap_or_else(|| movie_url.as_str())
             .to_string();
 
-        window.set_title(&format!("Ruffle - {name}"));
+        let readable_name = decode(&name).unwrap_or(Cow::Borrowed(&name));
+
+        window.set_title(&format!("Ruffle - {readable_name}"));
 
         SWF_INFO.with(|i| *i.borrow_mut() = Some(name.clone()));