Added "remembering" launchers and wads added

src/main.rs

@@ -1,18 +1,18 @@
 use eframe::egui;
 use std::path::PathBuf;
+use config::{default_save_filename, save_config, load_config, Config};
 use infos::{WadInfo, LauncherInfo};
 
 pub mod config;
 pub mod infos;
 
 fn main() -> Result<(), eframe::Error> {
-    println!("Hello, world!");
-    let options = eframe::NativeOptions {
+    let gui_options = eframe::NativeOptions {
         ..Default::default()
     };
     eframe::run_native(
         "Rust Doom Launcher",
-        options,
+        gui_options,
         Box::new(|_cc| Box::<RustDoomLauncher>::default()),
     )
 }
@@ -25,6 +25,8 @@ struct RustDoomLauncher {
     selected_iwad: Option<usize>,
     selected_pwads: Vec<usize>,
     name: String,
+    config_filename: PathBuf,
+    config_file_loaded: bool,
 }
 
 impl Default for RustDoomLauncher {
@@ -37,12 +39,51 @@ impl Default for RustDoomLauncher {
             selected_iwad: None,
             selected_pwads: Vec::new(),
             name: "".to_string(),
+            config_filename: default_save_filename(),
+            config_file_loaded: false,
+        }
+    }
+}
+
+impl RustDoomLauncher {
+    // There must be a better way than this - maybe for the RustDoomLauncher to
+    //  have a config thing
+    fn get_config_file_stuff(&mut self) -> () {
+        let config = load_config(&self.config_filename).unwrap();
+        if let Some(iwads) = config.iwads {
+            for iwad in iwads {
+                self.all_iwads.push(iwad.clone());
+            }
+        }
+        if let Some(pwads) = config.pwads {
+            for pwad in pwads {
+                self.all_pwads.push(pwad.clone());
+            }
+        }
+        if let Some(launchers) = config.launchers {
+            for launcher in launchers {
+                self.all_launchers.push(launcher.clone());
+            }
         }
     }
 }
 
 impl eframe::App for RustDoomLauncher {
+    fn on_close_event(&mut self) -> bool {
+        let config = Config {
+            iwads: Some(self.all_iwads.clone()),
+            pwads: Some(self.all_pwads.clone()),
+            launchers: Some(self.all_launchers.clone()),
+        };
+        save_config(&self.config_filename, &config);
+        true
+    }
+    
     fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
+        if self.config_file_loaded == false {
+            self.get_config_file_stuff();
+            self.config_file_loaded = true;
+        }
         egui::containers::panel::CentralPanel::default().show(ctx, |ui| {
             ui.heading("RustDoomLauncher");
             ui.horizontal_wrapped(|ui| {