feat: Open workspace folder option (#1272)

crates/rnote-ui/data/ui/workspacebrowser.ui

@@ -163,6 +163,10 @@
             <attribute name="label" translatable="yes">Create new Folder</attribute>
             <attribute name="action">workspacebrowser.create-folder</attribute>
           </item>
+          <item>
+            <attribute name="label" translatable="yes">Open Workspace Folder</attribute>
+            <attribute name="action">workspacebrowser.open-folder</attribute>
+          </item>
         </section>
       </menu>
     </object>

crates/rnote-ui/src/workspacebrowser/mod.rs

@@ -195,6 +195,9 @@ impl RnWorkspaceBrowser {
         self.imp()
             .action_group
             .add_action(&workspaceactions::create_folder(self, appwindow));
+        self.imp()
+            .action_group
+            .add_action(&workspaceactions::open_folder(self, appwindow));
     }
 
     fn setup_dir_controls(&self, _appwindow: &RnAppWindow) {

crates/rnote-ui/src/workspacebrowser/workspaceactions/mod.rs

@@ -1,5 +1,7 @@
 // Modules
 mod createfolder;
+mod openfolder;
 
 // Re-exports
 pub(crate) use createfolder::create_folder;
+pub(crate) use openfolder::open_folder;

crates/rnote-ui/src/workspacebrowser/workspaceactions/openfolder.rs

@@ -0,0 +1,31 @@
+use crate::{RnAppWindow, RnWorkspaceBrowser};
+use gettextrs::gettext;
+use gtk4::{gio, glib, glib::clone, prelude::*};
+
+pub(crate) fn open_folder(
+    workspacebrowser: &RnWorkspaceBrowser,
+    appwindow: &RnAppWindow,
+) -> gio::SimpleAction {
+    let open_folder_action = gio::SimpleAction::new("open-folder", None);
+
+    open_folder_action.connect_activate(clone!(
+        #[weak]
+        workspacebrowser,
+        #[weak]
+        appwindow,
+        move |_, _| {
+        if let Some(parent_path) = workspacebrowser.dir_list_file().and_then(|f| f.path()) {
+            if let Err(e) = open::that(&parent_path) {
+                let path_string =   &parent_path.into_os_string().into_string().ok().unwrap_or(String::from("Failed to get the path of the workspace folder"));
+                tracing::error!("Opening the parent folder '{path_string}' in the file manager failed, Err: {e:?}");
+                appwindow.overlays().dispatch_toast_error(&gettext("Failed to open the file in the file manager"));
+            }
+        } else {
+            tracing::warn!("No path found");
+            appwindow.overlays().dispatch_toast_error(&gettext("Failed to open the file in the file manager"));
+        }
+    }
+    ));
+
+    open_folder_action
+}