init context menu for page tabs

src/app/browser/window/tab.rs

@@ -8,9 +8,9 @@ use widget::Widget;
 
 use adw::TabView;
 use gtk::{
-    gio::SimpleAction,
-    glib::{uuid_string_random, GString, Propagation},
-    prelude::StaticVariantType,
+    gio::{Menu, SimpleAction},
+    glib::{gformat, uuid_string_random, GString, Propagation},
+    prelude::{ActionExt, StaticVariantType, ToVariant},
 };
 use sqlite::Transaction;
 use std::{cell::RefCell, collections::HashMap, sync::Arc};
@@ -48,10 +48,51 @@ impl Tab {
         // Init empty HashMap index as no tabs appended yet
         let index = Arc::new(RefCell::new(HashMap::new()));
 
+        // @TODO move to mod
+        let menu = Menu::new();
+
+        menu.append(
+            Some("Reload"),
+            Some(&gformat!("win.{}", action_page_reload.name())),
+        ); // @TODO resolve namespace outside
+
         // Init widget
-        let widget = Arc::new(Widget::new(action_tab_open.clone()));
+        let widget = Arc::new(Widget::new(&menu));
 
         // Init events
+
+        // Setup actions for context menu
+        widget.gobject().connect_setup_menu({
+            let action_page_reload = action_page_reload.clone();
+            move |tab_view, tab_page| {
+                // Enable actions by default
+                action_page_reload.set_enabled(true);
+
+                match tab_page {
+                    // Menu opened:
+                    // setup actions to operate with page selected only
+                    Some(this) => {
+                        let position = tab_view.page_position(this).to_variant();
+
+                        action_page_reload.change_state(&position);
+                    }
+                    // Menu closed:
+                    // return actions to default values
+                    None => match tab_view.selected_page() {
+                        Some(selected) => {
+                            // Get position of page selected
+                            let position = tab_view.page_position(&selected).to_variant();
+
+                            // Update related actions
+                            action_page_reload.change_state(&position);
+                        }
+                        // No selected page found, disable related actions
+                        None => action_page_reload.set_enabled(false),
+                    },
+                }
+            }
+        });
+
         widget.gobject().connect_close_page({
             let index = index.clone();
             move |_, item| {
@@ -201,8 +242,8 @@ impl Tab {
         }
     }
 
-    pub fn page_navigation_reload(&self) {
-        if let Some(id) = self.widget.current_page_keyword() {
+    pub fn page_navigation_reload(&self, page_position: i32) {
+        if let Some(id) = self.widget.gobject().nth_page(page_position).keyword() {
             if let Some(item) = self.index.borrow().get(&id) {
                 item.page_navigation_reload();
             }

src/app/browser/window/tab/widget.rs

@@ -1,36 +1,37 @@
 use adw::TabView;
 use gtk::{
-    gio::{Icon, SimpleAction, SimpleActionGroup},
-    glib::{uuid_string_random, GString},
-    prelude::{ActionMapExt, WidgetExt},
+    gio::{Icon, MenuModel},
+    glib::GString,
+    prelude::IsA,
 };
 
+/// Currently used as the indicator for pinned tabs
+const DEFAULT_TAB_ICON: &str = "view-pin-symbolic";
+
+/// Wrapper for [TabView](https://gnome.pages.gitlab.gnome.org/libadwaita/doc/main/class.TabView.html) GObject
 pub struct Widget {
     gobject: TabView,
 }
 
 impl Widget {
     // Construct
-    pub fn new(action_page_new: SimpleAction) -> Self {
-        // Init additional action group
-        let action_group = SimpleActionGroup::new();
-        action_group.add_action(&action_page_new);
-
+    pub fn new(menu_model: &impl IsA<MenuModel>) -> Self {
         // Init gobject
-        let gobject = TabView::new();
+        let gobject = TabView::builder().menu_model(menu_model).build();
 
-        // Change default icon visible for tabs pinned
-        if let Ok(default_icon) = Icon::for_string("view-pin-symbolic") {
+        // Change default icon (if available in the system icon set)
+        // * visible for pinned tabs only
+        // * @TODO not default GTK behavior, make this feature optional
+        if let Ok(default_icon) = Icon::for_string(DEFAULT_TAB_ICON) {
             gobject.set_default_icon(&default_icon);
         }
 
-        // Create new group for actions
-        gobject.insert_action_group(&uuid_string_random(), Some(&action_group));
-
+        // Done
         Self { gobject }
     }
 
     // Actions
+
     pub fn close(&self) {
         if let Some(selected_page) = self.gobject.selected_page() {
             self.gobject.close_page(&selected_page);
@@ -46,6 +47,7 @@ impl Widget {
     }
 
     // Getters
+
     pub fn current_page_keyword(&self) -> Option<GString> {
         let page = self.gobject.selected_page()?;
         let id = page.keyword()?;