+ if (current_audio_view == 0) { // Compact audio view.
+ // Set the widths for the previews.
+ double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
+ for (unsigned i = 0; i < previews.size(); ++i) {
+ ui->preview_displays->setStretch(i, lrintf(preview_width));
+ }
+
+ // The preview horizontal spacer.
+ double remaining_preview_width = preview_total_width - previews.size() * preview_width;
+ ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
+ } else if (current_audio_view == 2) { // Video grid view.
+ // QGridLayout doesn't do it for us, since we need to be able to remove rows
+ // or columns as the grid changes, and it won't do that. Thus, position everything
+ // by hand.
+ constexpr int spacing = 6;
+ int grid_width = ui->preview_displays_grid->geometry().width();
+ int grid_height = ui->preview_displays_grid->geometry().height();
+ int best_preview_width = 0;
+ unsigned best_num_rows = 1, best_num_cols = 1;
+ for (unsigned num_rows = 1; num_rows <= previews.size(); ++num_rows) {
+ int num_cols = (previews.size() + num_rows - 1) / num_rows;
+
+ int max_preview_height = (grid_height - spacing * (num_rows - 1)) / num_rows - preview_label_height;
+ int max_preview_width = (grid_width - spacing * (num_cols - 1)) / num_cols;
+ int preview_width = std::min<int>(max_preview_width, max_preview_height * double(global_flags.width) / double(global_flags.height));
+
+ if (preview_width > best_preview_width) {
+ best_preview_width = preview_width;
+ best_num_rows = num_rows;
+ best_num_cols = num_cols;
+ }
+ }
+
+ double cell_height = lrintf(best_preview_width * double(global_flags.height) / double(global_flags.width)) + preview_label_height;
+ remaining_height = grid_height - best_num_rows * cell_height - (best_num_rows - 1) * spacing;
+ int cell_width = best_preview_width;
+ int remaining_width = grid_width - best_num_cols * cell_width - (best_num_cols - 1) * spacing;
+
+ for (unsigned i = 0; i < previews.size(); ++i) {
+ int col_idx = i % best_num_cols;
+ int row_idx = i / best_num_cols;
+
+ double top = remaining_height * 0.5f + row_idx * (cell_height + spacing);
+ double bottom = top + cell_height;
+ double left = remaining_width * 0.5f + col_idx * (cell_width + spacing);
+ double right = left + cell_width;
+
+ QRect rect;
+ rect.setTop(lrintf(top));
+ rect.setBottom(lrintf(bottom));
+ rect.setLeft(lrintf(left));
+ rect.setRight(lrintf(right));
+
+ QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
+ display->setGeometry(rect);
+ display->show();
+ }
+ }
+}
+
+void MainWindow::set_locut(float value)
+{
+ set_relative_value(ui->locut_cutoff_knob, value);
+}
+
+void MainWindow::set_limiter_threshold(float value)
+{
+ set_relative_value(ui->limiter_threshold_knob, value);
+}
+
+void MainWindow::set_makeup_gain(float value)
+{
+ set_relative_value(ui->makeup_gain_knob, value);
+}
+
+void MainWindow::set_stereo_width(unsigned bus_idx, float value)
+{
+ set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::stereo_width_knob, value);
+}
+
+void MainWindow::set_treble(unsigned bus_idx, float value)
+{
+ set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
+}
+
+void MainWindow::set_mid(unsigned bus_idx, float value)
+{
+ set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
+}
+
+void MainWindow::set_bass(unsigned bus_idx, float value)
+{
+ set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
+}
+
+void MainWindow::set_gain(unsigned bus_idx, float value)
+{
+ set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
+}
+
+void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
+{
+ set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
+}
+
+void MainWindow::set_fader(unsigned bus_idx, float value)
+{
+ set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
+}
+
+void MainWindow::toggle_mute(unsigned bus_idx)
+{
+ click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
+}
+
+void MainWindow::toggle_locut(unsigned bus_idx)
+{
+ click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
+}
+
+void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
+{
+ click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
+}
+
+void MainWindow::toggle_compressor(unsigned bus_idx)
+{
+ click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
+}
+
+void MainWindow::clear_peak(unsigned bus_idx)
+{
+ post_to_main_thread([=]{
+ if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
+ global_audio_mixer->reset_peak(bus_idx);
+ midi_mapper.set_has_peaked(bus_idx, false);
+ midi_mapper.refresh_lights();
+ }
+ });
+}
+
+void MainWindow::clear_all_highlights()
+{
+ post_to_main_thread([this]{
+ highlight_locut(false);
+ highlight_limiter_threshold(false);
+ highlight_makeup_gain(false);
+ highlight_toggle_limiter(false);
+ highlight_toggle_auto_makeup_gain(false);
+ for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
+ highlight_treble(bus_idx, false);
+ highlight_mid(bus_idx, false);
+ highlight_bass(bus_idx, false);
+ highlight_gain(bus_idx, false);
+ highlight_compressor_threshold(bus_idx, false);
+ highlight_fader(bus_idx, false);
+ highlight_mute(bus_idx, false);
+ highlight_toggle_locut(bus_idx, false);
+ highlight_toggle_auto_gain_staging(bus_idx, false);
+ highlight_toggle_compressor(bus_idx, false);
+ }
+ });
+}
+
+void MainWindow::toggle_limiter()
+{
+ if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
+ ui->limiter_enabled->click();
+ }
+}
+
+void MainWindow::toggle_auto_makeup_gain()
+{
+ if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
+ ui->makeup_gain_auto_checkbox->click();
+ }
+}
+
+void MainWindow::highlight_locut(bool highlight)
+{
+ post_to_main_thread([this, highlight]{
+ highlight_control(ui->locut_cutoff_knob, highlight);
+ highlight_control(ui->locut_cutoff_knob_2, highlight);
+ });
+}
+
+void MainWindow::highlight_limiter_threshold(bool highlight)
+{
+ post_to_main_thread([this, highlight]{
+ highlight_control(ui->limiter_threshold_knob, highlight);
+ highlight_control(ui->limiter_threshold_knob_2, highlight);
+ });
+}
+
+void MainWindow::highlight_makeup_gain(bool highlight)
+{
+ post_to_main_thread([this, highlight]{
+ highlight_control(ui->makeup_gain_knob, highlight);
+ highlight_control(ui->makeup_gain_knob_2, highlight);
+ });
+}
+
+void MainWindow::highlight_stereo_width(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::stereo_width_knob, highlight);
+}
+
+void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
+}
+
+void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
+}
+
+void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
+}
+
+void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
+}
+
+void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
+}
+
+void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
+}
+
+void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
+}
+
+void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
+}
+
+void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
+}
+
+void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
+{
+ highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
+}
+
+void MainWindow::highlight_toggle_limiter(bool highlight)
+{
+ post_to_main_thread([this, highlight]{
+ highlight_control(ui->limiter_enabled, highlight);
+ highlight_control(ui->limiter_enabled_2, highlight);
+ });
+}
+
+void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
+{
+ post_to_main_thread([this, highlight]{
+ highlight_control(ui->makeup_gain_auto_checkbox, highlight);
+ highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
+ });
+}
+
+template<class T>
+void MainWindow::set_relative_value(T *control, float value)
+{
+ post_to_main_thread([control, value]{
+ control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
+ });
+}
+
+template<class T>
+void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
+{
+ if (global_audio_mixer != nullptr &&
+ global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
+ bus_idx < audio_expanded_views.size()) {
+ set_relative_value(audio_expanded_views[bus_idx]->*control, value);
+ }
+}
+
+template<class T>
+void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
+{
+ post_to_main_thread([this, bus_idx, control]{
+ if (global_audio_mixer != nullptr &&
+ global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
+ bus_idx < audio_expanded_views.size()) {
+ (audio_expanded_views[bus_idx]->*control)->click();
+ }
+ });
+}
+
+template<class T>
+void MainWindow::highlight_control(T *control, bool highlight)
+{
+ if (control == nullptr) {
+ return;
+ }
+ if (global_audio_mixer == nullptr ||
+ global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
+ highlight = false;
+ }
+ if (highlight) {
+ control->setStyleSheet("background: rgb(0,255,0,80)");
+ } else {
+ control->setStyleSheet("");