init new tab submenu

src/app/browser/header/menu/main/tab/append.cpp

@@ -0,0 +1,84 @@
+#include "append.h"
+
+namespace app::browser::header::menu::main::tab
+{
+    // Construct
+    Append::Append(
+        Tab *tab
+    ) {
+        // Init dependencies
+        this->tab = tab;
+
+        // Init action object
+        this->action = g_simple_action_new(
+            Append::ACTION_ID,
+            NULL
+        );
+
+        g_action_map_add_action(
+            G_ACTION_MAP(
+                this->tab->main->menu->header->browser->app
+            ),
+            G_ACTION(
+                this->action
+            )
+        );
+
+        // Init action NS
+        gchar action[255];
+
+        g_snprintf(
+            action,
+            sizeof(
+                action
+            ),
+            Append::ACTION_NS,
+            Append::ACTION_ID
+        );
+
+        // Init keyboard accelerators
+        // https://docs.gtk.org/gtk4/func.accelerator_parse.html
+        const gchar *accels[] = {
+            Append::ACCEL_1,  // First accelerator
+            Append::ACCEL_2,  // Second accelerator
+            NULL
+        };
+
+        gtk_application_set_accels_for_action(
+            GTK_APPLICATION(
+                this->tab->main->menu->header->browser->app
+            ),
+            action,
+            accels
+        );
+
+        // Init menu item object
+        this->item = g_menu_item_new(
+            Append::LABEL,
+            action
+        );
+
+        // Connect events
+        g_signal_connect(
+            G_SIMPLE_ACTION(
+                this->action
+            ),
+            "activate",
+            G_CALLBACK(
+                Append::_activate
+            ),
+            G_APPLICATION(
+                this->tab->main->menu->header->browser->app
+            )
+        );
+    }
+
+    // Events
+    void Append::_activate(
+        GSimpleAction* action,
+        GVariant* parameter,
+        gpointer user_data
+    ) {
+        // @TODO
+    }
+}