Support limited ALSA hotplug.

[nageru] / input_mapping_dialog.cpp

diff --git a/input_mapping_dialog.cpp b/input_mapping_dialog.cpp
index 0a301d77cd749d244e1256d08eab69c312adcd32..08d68dcbc05ed783f1dacb2bf3aa30c2a8ab3790 100644 (file)
--- a/input_mapping_dialog.cpp
+++ b/input_mapping_dialog.cpp
@@ -54,9 +54,20 @@ void InputMappingDialog::fill_row_from_bus(unsigned row, const InputMapping::Bus
        unsigned current_index = 0;
        card_combo->addItem(QString("(none)   "));
        for (const auto &spec_and_info : devices) {
+               QString label(QString::fromStdString(spec_and_info.second.name));
+               if (spec_and_info.first.type == InputSourceType::ALSA_INPUT) {
+                       ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(spec_and_info.first.index);
+                       if (state == ALSAPool::Device::State::EMPTY) {
+                               continue;
+                       } else if (state == ALSAPool::Device::State::STARTING) {
+                               label += " (busy)";
+                       } else if (state == ALSAPool::Device::State::DEAD) {
+                               label += " (dead)";
+                       }
+               }
                ++current_index;
                card_combo->addItem(
-                       QString::fromStdString(spec_and_info.second.name + "   "),
+                       label + "   ",
                        qulonglong(DeviceSpec_to_key(spec_and_info.first)));
                if (bus.device == spec_and_info.first) {
                        card_combo->setCurrentIndex(current_index);