Added Drag and Drop files

And fixed the add stuff window not being able to be closed

src/main.rs

@@ -104,6 +104,7 @@ impl RustDoomLauncher {
             }
             Ok((launcher, command)) => {
                 // Note to self, don't hit launch button when running from emacs
+                //  if you do, close it and hold down C+g
                 let result = Command::new(launcher).args(command).spawn();
                 match result {
                     Err(e) => panic!("{}", e),
@@ -399,8 +400,9 @@ impl eframe::App for RustDoomLauncher {
                 });
         }
 
-        if self.add_stuff_window_displayed {
-            egui::Window::new("Add WAD or Launcher").show(ctx, |ui| {
+        egui::Window::new("Add WAD or Launcher")
+            .open(&mut self.add_stuff_window_displayed)
+            .show(ctx, |ui| {
                 ui.horizontal(|ui| {
                     let name_label = ui.label("Name");
                     ui.text_edit_singleline(&mut self.add_name)
@@ -477,6 +479,25 @@ impl eframe::App for RustDoomLauncher {
                     }
                 }
             });
+
+        ctx.input(|i| {
+            if !i.raw.dropped_files.is_empty() {
+                let dropped_files = i.raw.dropped_files.clone();
+                match dropped_files.len() {
+                    1 => {
+                        self.selected_file_path = dropped_files[0].path.clone().unwrap();
+                        self.add_stuff_window_displayed = true;
+                    }
+                    _ => {
+                        MessageDialog::new()
+                            .set_type(MessageType::Error)
+                            .set_title("I can't let you do that")
+                            .set_text(&format!("Multiple files not supported"))
+                            .show_alert()
+                            .unwrap();
                     }
                 }
             }
+        });
+    }
+}