+void GLWidget::show_live_context_menu(const QPoint &pos)
+{
+ QPoint global_pos = mapToGlobal(pos);
+
+ QMenu menu;
+
+ // Add a submenu for selecting output card, with an action for each card.
+ QMenu card_submenu;
+ QActionGroup card_group(&card_submenu);
+
+ int current_card = global_mixer->get_output_card_index();
+
+ QAction *none_action = new QAction("None", &card_group);
+ none_action->setCheckable(true);
+ if (current_card == -1) {
+ none_action->setChecked(true);
+ }
+ none_action->setData(-1);
+ card_submenu.addAction(none_action);
+
+ unsigned num_cards = global_mixer->get_num_cards();
+ for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+ if (!global_mixer->card_can_be_used_as_output(card_index)) {
+ continue;
+ }
+
+ QString description(QString::fromStdString(global_mixer->get_output_card_description(card_index)));
+ QAction *action = new QAction(description, &card_group);
+ action->setCheckable(true);
+ if (current_card == int(card_index)) {
+ action->setChecked(true);
+ }
+ action->setData(card_index);
+ card_submenu.addAction(action);
+ }
+
+ card_submenu.setTitle("HDMI/SDI output");
+ menu.addMenu(&card_submenu);
+
+ // Show the menu and look at the result.
+ QAction *selected_item = menu.exec(global_pos);
+ if (selected_item != nullptr) {
+ int output_card = selected_item->data().toInt(nullptr);
+ global_mixer->set_output_card(output_card);
+ }
+}
+
+void GLWidget::show_preview_context_menu(unsigned signal_num, const QPoint &pos)