Add a menu option where the user can change the input resolution.

[nageru] / glwidget.cpp

diff --git a/glwidget.cpp b/glwidget.cpp
index c57d645c61acd9ef1d288a058d6cfdda9f1dfa23..9215fcad2219360a047e5878d61b0b77b0335c62 100644 (file)
--- a/glwidget.cpp
+++ b/glwidget.cpp
@@ -118,23 +118,45 @@ void GLWidget::show_context_menu(unsigned signal_num, const QPoint &pos)
 
        QMenu menu;
 
-       // Add an action for each card.
-       QActionGroup group(&menu);
+       // Add a submenu for selecting input card, with an action for each card.
+       QMenu card_submenu;
+       QActionGroup card_group(&card_submenu);
 
        unsigned num_cards = global_mixer->get_num_cards();
        unsigned current_card = global_mixer->map_signal(signal_num);
        for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
                QString description(QString::fromStdString(global_mixer->get_card_description(card_index)));
-               QAction *action = new QAction(description, &group);
+               QAction *action = new QAction(description, &card_group);
                action->setCheckable(true);
                if (current_card == card_index) {
                        action->setChecked(true);
                }
-               action->setData(card_index);
-               menu.addAction(action);
+               action->setData(QList<QVariant>{"card", card_index});
+               card_submenu.addAction(action);
        }
 
-       menu.addSeparator();
+       card_submenu.setTitle("Input source");
+       menu.addMenu(&card_submenu);
+
+       // Add a submenu for selecting resolution, with an action for each resolution.
+       // Note that the choice depends a lot on which card is active.
+       QMenu mode_submenu;
+       QActionGroup mode_group(&mode_submenu);
+       std::map<uint32_t, VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
+       uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
+       for (const auto &mode : video_modes) {
+               QString description(QString::fromStdString(mode.second.name));
+               QAction *action = new QAction(description, &mode_group);
+               action->setCheckable(true);
+               if (mode.first == current_video_mode) {
+                       action->setChecked(true);
+               }
+               action->setData(QList<QVariant>{"video_mode", mode.first});
+               mode_submenu.addAction(action);
+       }
+
+       mode_submenu.setTitle("Input mode");
+       menu.addMenu(&mode_submenu);
 
        // Add an audio source selector.
        QAction *audio_source_action = new QAction("Use as audio source", &menu);
@@ -145,11 +167,20 @@ void GLWidget::show_context_menu(unsigned signal_num, const QPoint &pos)
        }
        menu.addAction(audio_source_action);
 
+       // Show the menu and look at the result.
        QAction *selected_item = menu.exec(global_pos);
        if (selected_item == audio_source_action) {
                global_mixer->set_audio_source(signal_num);
        } else if (selected_item != nullptr) {
-               unsigned card_index = selected_item->data().toInt(nullptr);
-               global_mixer->set_signal_mapping(signal_num, card_index);
+               QList<QVariant> selected = selected_item->data().toList();
+               if (selected[0].toString() == "video_mode") {
+                       uint32_t mode = selected[1].toUInt(nullptr);
+                       global_mixer->set_video_mode(current_card, mode);
+               } else if (selected[0].toString() == "card") {
+                       unsigned card_index = selected[1].toUInt(nullptr);
+                       global_mixer->set_signal_mapping(signal_num, card_index);
+               } else {
+                       assert(false);
+               }
        }
 }