feat: mplement creating a new file

Merge branch 'feat/new-file' into 'main'

Closes #23

See merge request EchidnaHQ/Echidna!20

src/components/window/file.rs

@@ -2,9 +2,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
-use crate::lib::prelude::*;
-
 use crate::components::editor::EchidnaCoreEditor;
+use crate::lib::prelude::*;
 use gio::Cancellable;
 use glib::{clone, Priority};
 use gtk::{
@@ -16,6 +15,7 @@ pub trait FileImplementedEditor {
     fn action_open_file(&self);
     fn open_file(notebook: &gtk::Notebook, file: gio::File);
     fn action_save_file_as(&self);
+    fn action_new_file(&self);
 }
 
 impl FileImplementedEditor for super::EchidnaWindow {
@@ -135,4 +135,12 @@ impl FileImplementedEditor for super::EchidnaWindow {
 
             }));
     }
+
+    fn action_new_file(&self) {
+        let editor_page = EchidnaCoreEditor::new(None);
+
+        self.to_imp()
+            .notebook
+            .prepend_closable_page(&editor_page, Some(&gtk::Label::new(Some(&"Untitled"))));
+    }
 }

src/components/window/menubar.rs

@@ -122,5 +122,15 @@ impl MenubarImplementedEditor for EchidnaWindow {
                     window.action_save_file_as();
             }));
         }
+        {
+            let action_new_file = SimpleAction::new("new-file", None);
+
+            self.add_action(&action_new_file);
+
+            action_new_file.connect_activate(clone!(@weak self as window =>
+                move |_action, _variant| {
+                    window.action_new_file();
+            }));
+        }
     }
 }