Merge branch 'feat/closable-tabs' into 'main'

feat: make tabs closeable

Closes #17

See merge request EchidnaHQ/Echidna!9

src/components/window/file.rs

@@ -2,6 +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 gio::Cancellable;
 use glib::{clone, Priority};
@@ -64,7 +66,7 @@ impl FileImplementedEditor for super::EchidnaWindow {
     fn open_file(notebook: &gtk::Notebook, file_location: gio::File) {
         let file = File::builder().location(&file_location).build();
         let editor_page = EchidnaCoreEditor::new(Some(file));
-        notebook.prepend_page(
+        notebook.prepend_closable_page(
             &editor_page,
             Some(&Label::new(Some(
                 &file_location

src/components/window/window.ui

@@ -27,16 +27,6 @@
                 -->
               <object class="GtkNotebook" id="notebook">
                 <property name="hexpand">1</property>
-                <child>
-                  <object id="getting-started" class="GtkLabel">
-                    <property name="label">Hello from Echidna!</property>
-                  </object>
-                </child>
-                <child type="tab">
-                  <object class="GtkLabel" id="notebook-welcome">
-                    <property name="label">Welcome</property>
-                  </object>
-                </child>
               </object>
               <!-- </child>
               </object> -->

src/lib/closeable_tab.rs

@@ -0,0 +1,83 @@
+use glib::IsA;
+use gtk::{prelude::*, Box, Widget, Button};
+
+pub trait ClosableTabImplementedNotebook {
+    fn prepend_closable_page<
+        T: IsA<Widget>, 
+        U: IsA<Widget>
+    >(
+        &self,
+        child: &T,
+        tab_label: Option<&U>,
+    ) -> u32;
+    fn append_closable_page<
+        T: IsA<Widget>, 
+        U: IsA<Widget>
+    >(
+        &self,
+        child: &T,
+        tab_label: Option<&U>,
+    ) -> u32;
+
+    fn create_closable_tab<
+        U: IsA<Widget>,
+
+    >(tab_label: Option<&U>) -> (Box, Button);
+}
+
+impl ClosableTabImplementedNotebook for gtk::Notebook {
+    fn create_closable_tab<
+    U: IsA<Widget>,
+
+>(tab_label: Option<&U>)-> (Box, Button) {
+        let tab = Box::new(gtk::Orientation::Horizontal, 5);
+        if tab_label.is_some() {
+            tab.append(tab_label.unwrap());
+        }
+
+        let button = gtk::Button::new();
+        
+        button.set_icon_name("window-close-symbolic");
+        button.set_has_frame(false);
+
+        tab.append(&button);
+
+        (tab, button)
+    }
+
+    fn prepend_closable_page<T: IsA<Widget>, U: IsA<Widget>>(
+        &self,
+        child: &T,
+        tab_label: Option<&U>,
+    ) -> u32 {
+        let (tab, button) = &Self::create_closable_tab(tab_label);
+        let page = self.prepend_page(child, Some(tab));
+
+        button.connect_clicked(glib::clone!(@weak self as notebook => 
+            move |_| {
+            notebook.remove_page(Some(page));
+        }));
+
+        page
+
+    }
+
+    fn append_closable_page<
+        T: IsA<Widget>, 
+        U: IsA<Widget>
+    >(
+        &self,
+        child: &T,
+        tab_label: Option<&U>,
+    ) -> u32 {
+        let (tab, button) = &Self::create_closable_tab(tab_label);
+        let page = self.append_page(child, Some(tab));
+
+        button.connect_clicked(glib::clone!(@weak self as notebook => 
+            move |_| {
+            notebook.remove_page(Some(page));
+        }));
+
+        page
+    }
+}

src/lib/mod.rs

@@ -0,0 +1,5 @@
+pub mod closeable_tab;
+
+pub mod prelude {
+    pub use super::closeable_tab::ClosableTabImplementedNotebook;
+}

src/main.rs

@@ -3,7 +3,7 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 mod components;
-
+pub mod lib;
 use app::EchidnaEditor;
 use components::app;
 use gtk::prelude::ApplicationExtManual;