Support submenus within theme menus.

[nageru] / nageru / mainwindow.cpp

diff --git a/nageru/mainwindow.cpp b/nageru/mainwindow.cpp
index 91234ceb23ff301b6194d9bda9b1f81fd0f7e34b..f33c57d6b2d24f6343c9bab2b04464e6ed489e8f 100644 (file)
--- a/nageru/mainwindow.cpp
+++ b/nageru/mainwindow.cpp
@@ -881,22 +881,38 @@ void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
 
 void MainWindow::setup_theme_menu()
 {
-       std::vector<Theme::MenuEntry> theme_menu_entries = global_mixer->get_theme_menu();
+       Theme::MenuEntry *root_menu = global_mixer->get_theme_menu();
 
+       // Remove the old menu, if any.
        if (theme_menu != nullptr) {
                ui->menuBar->removeAction(theme_menu->menuAction());
                theme_menu = nullptr;
        }
 
-       if (!theme_menu_entries.empty()) {
-               theme_menu = new QMenu("&Theme");
-               for (const Theme::MenuEntry &entry : theme_menu_entries) {
-                       QAction *action = theme_menu->addAction(QString::fromStdString(entry.text));
-                       connect(action, &QAction::triggered, [entry] {
-                               global_mixer->theme_menu_entry_clicked(entry.lua_ref);
-                       });
+       if (root_menu != nullptr) {
+               assert(root_menu->is_submenu);
+               if (!root_menu->submenu.empty()) {
+                       theme_menu = new QMenu("&Theme");
+                       fill_menu_from_theme_menu(root_menu->submenu, theme_menu);
+                       ui->menuBar->insertMenu(ui->menu_Help->menuAction(), theme_menu);
+               }
+       }
+}
+
+void MainWindow::fill_menu_from_theme_menu(const vector<unique_ptr<Theme::MenuEntry>> &entries, QMenu *menu)
+{
+       for (const unique_ptr<Theme::MenuEntry> &entry : entries) {
+               if (entry->is_submenu) {
+                       QMenu *submenu = new QMenu(QString::fromStdString(entry->text));
+                       fill_menu_from_theme_menu(entry->submenu, submenu);
+                       menu->addMenu(submenu);
+                       continue;
                }
-               ui->menuBar->insertMenu(ui->menu_Help->menuAction(), theme_menu);
+
+               QAction *action = menu->addAction(QString::fromStdString(entry->text));
+               connect(action, &QAction::triggered, [lua_ref = entry->entry.lua_ref] {
+                       global_mixer->theme_menu_entry_clicked(lua_ref);
+               });
        }
 }