now can select multiple dirs at once

src/gui/draw.rs

@@ -223,10 +223,10 @@ impl SoundpadGui {
                 }
 
                 ui.horizontal(|ui| {
-                    let add_dir_button = Button::new(icons::ICON_ADD).frame(false);
-                    let add_dir_button_response = ui.add_sized([18.0, 18.0], add_dir_button);
-                    if add_dir_button_response.clicked() {
-                        self.add_dir();
+                    let add_dirs_button = Button::new(icons::ICON_ADD).frame(false);
+                    let add_dirs_button_response = ui.add_sized([18.0, 18.0], add_dirs_button);
+                    if add_dirs_button_response.clicked() {
+                        self.add_dirs();
                     }
                 });
 

src/gui/mod.rs

@@ -79,10 +79,12 @@ impl SoundpadGui {
         }
     }
 
-    pub fn add_dir(&mut self) {
+    pub fn add_dirs(&mut self) {
         let file_dialog = FileDialog::new();
-        if let Some(path) = file_dialog.pick_folder() {
+        if let Some(paths) = file_dialog.pick_folders() {
+            for path in paths {
                 self.app_state.dirs.insert(path);
+            }
             self.config.dirs = self.app_state.dirs.clone();
             self.config.save_to_file().ok();
         }