From e4e63a8a0dcb158c1aea411da902aad37b9e4d19 Mon Sep 17 00:00:00 2001
From: weter11 <sdf331@ukr.net>
Date: Sun, 21 Jun 2026 18:10:29 -0200
Subject: [PATCH] Add Wine control panel settings action

---
 src/launch/mod.rs | 33 +++++++++++++++++++++++++++++++++
 src/ui.rs         | 23 +++++++++++++++++++++++
 2 files changed, 56 insertions(+)

diff --git a/src/launch/mod.rs b/src/launch/mod.rs
index 1c0d8f7..ecc64de 100644
--- a/src/launch/mod.rs
+++ b/src/launch/mod.rs
@@ -80,6 +80,39 @@ pub async fn install_master_steam(config: &LauncherConfig) -> Result<()> {
     Ok(())
 }
 
+pub fn launch_wine_control_panel(config: &LauncherConfig) -> Result<()> {
+    let library_root = PathBuf::from(&config.steam_library_path);
+    let resolved_runner = crate::utils::resolve_runner(&config.proton_version, &library_root);
+    let mut cmd = build_runner_command(&resolved_runner)?;
+    let steam_cfg = crate::utils::get_master_steam_config();
+
+    std::fs::create_dir_all(&steam_cfg.wine_prefix)
+        .with_context(|| format!("failed creating Wine prefix {}", steam_cfg.wine_prefix.display()))?;
+
+    cmd.arg("control.exe");
+    cmd.env("WINEPREFIX", &steam_cfg.wine_prefix);
+    cmd.env("STEAM_COMPAT_DATA_PATH", &steam_cfg.root_dir);
+
+    if let Ok(display) = std::env::var("DISPLAY") {
+        cmd.env("DISPLAY", display);
+    }
+    if let Ok(wayland) = std::env::var("WAYLAND_DISPLAY") {
+        cmd.env("WAYLAND_DISPLAY", wayland);
+    }
+    if let Ok(xdg_runtime) = std::env::var("XDG_RUNTIME_DIR") {
+        cmd.env("XDG_RUNTIME_DIR", xdg_runtime);
+    }
+
+    tracing::info!(
+        runner = %resolved_runner.display(),
+        wineprefix = %steam_cfg.wine_prefix.display(),
+        "Launching Wine Control Panel"
+    );
+
+    cmd.spawn().context("Failed to spawn Wine Control Panel")?;
+    Ok(())
+}
+
 async fn download_steam_setup(path: &Path) -> Result<()> {
     tracing::info!("Downloading SteamSetup.exe...");
     let url = "https://cdn.akamai.steamstatic.com/client/installer/SteamSetup.exe";
diff --git a/src/ui.rs b/src/ui.rs
index db3423b..7239056 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -122,6 +122,7 @@ pub enum AsyncOp {
     AuthFailed(String),
     UserProfileFetched(crate::models::UserProfile),
     SettingsSaved(bool),
+    WineControlPanelLaunched,
     ScanCompleted(u32, HashMap<u32, String>),
     MetadataFetched(u32, crate::steam_client::AppMetadata),
     UserConfigsFetched(crate::models::UserConfigStore),
@@ -590,6 +591,9 @@ impl SteamLauncher {
                         "Failed to save settings".to_string()
                     };
                 }
+                AsyncOp::WineControlPanelLaunched => {
+                    self.status = "Wine Control Panel launched".to_string();
+                }
                 AsyncOp::ScanCompleted(appid, installed_paths) => {
                     for g in &mut self.library {
                         if g.app_id == appid {
@@ -2782,6 +2786,25 @@ impl eframe::App for SteamLauncher {
                             });
                         }
 
+                        ui.add_space(8.0);
+                        ui.separator();
+                        ui.heading("Wine Tools");
+                        if ui.button("Open Wine Control Panel").clicked() {
+                            let config = self.launcher_config.clone();
+                            let tx = self.operation_tx.clone();
+                            self.runtime.spawn(async move {
+                                match crate::launch::launch_wine_control_panel(&config) {
+                                    Ok(()) => {
+                                        let _ = tx.send(AsyncOp::WineControlPanelLaunched);
+                                    }
+                                    Err(e) => {
+                                        let _ = tx.send(AsyncOp::Error(format!("Wine Control Panel failed: {e}")));
+                                    }
+                                }
+                            });
+                        }
+                        ui.label("Launches Wine's control.exe using the default Proton version and SteamFlow's master Wine prefix.");
+
                         ui.add_space(8.0);
                         ui.separator();
                         ui.collapsing("Proton/Wine Manager", |ui| {