Add an option to scan through all possible modes for the PCI cards, as a substitute...

[nageru] / glwidget.cpp

diff --git a/glwidget.cpp b/glwidget.cpp
index 9215fcad2219360a047e5878d61b0b77b0335c62..5a1325803a283fad20cf8be86478d94945b66ca5 100644 (file)
--- a/glwidget.cpp
+++ b/glwidget.cpp
@@ -144,6 +144,7 @@ void GLWidget::show_context_menu(unsigned signal_num, const QPoint &pos)
        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);
+       bool has_auto_mode = false;
        for (const auto &mode : video_modes) {
                QString description(QString::fromStdString(mode.second.name));
                QAction *action = new QAction(description, &mode_group);
@@ -153,6 +154,19 @@ void GLWidget::show_context_menu(unsigned signal_num, const QPoint &pos)
                }
                action->setData(QList<QVariant>{"video_mode", mode.first});
                mode_submenu.addAction(action);
+
+               // TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
+               if (mode.first == 0) {
+                       has_auto_mode = true;
+               }
+       }
+
+       // Add a “scan” menu if there's no “auto” mode.
+       if (!has_auto_mode) {
+               QAction *action = new QAction("Scan", &mode_group);
+               action->setData(QList<QVariant>{"video_mode", 0});
+               mode_submenu.addSeparator();
+               mode_submenu.addAction(action);
        }
 
        mode_submenu.setTitle("Input mode");
@@ -175,7 +189,11 @@ void GLWidget::show_context_menu(unsigned signal_num, const QPoint &pos)
                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);
+                       if (mode == 0 && !has_auto_mode) {
+                               global_mixer->start_mode_scanning(current_card);
+                       } else {
+                               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);