+
+ // Hook up the preview clicks.
+ {
+ QSignalMapper *mapper = new QSignalMapper(this);
+ mapper->setMapping(ui->preview1, 0),
+ mapper->setMapping(ui->preview2, 1);
+ mapper->setMapping(ui->preview3, 2);
+ connect(ui->preview1, SIGNAL(clicked()), mapper, SLOT(map()));
+ connect(ui->preview2, SIGNAL(clicked()), mapper, SLOT(map()));
+ connect(ui->preview3, SIGNAL(clicked()), mapper, SLOT(map()));
+
+ connect(mapper, SIGNAL(mapped(int)), this, SLOT(channel_clicked(int)));
+ }
+
+ // Hook up the preview keyboard keys.
+ {
+ QSignalMapper *mapper = new QSignalMapper(this);
+ QShortcut *shortcut1 = new QShortcut(QKeySequence(Qt::Key_1), this);
+ connect(shortcut1, SIGNAL(activated()), mapper, SLOT(map()));
+ QShortcut *shortcut2 = new QShortcut(QKeySequence(Qt::Key_2), this);
+ connect(shortcut2, SIGNAL(activated()), mapper, SLOT(map()));
+ QShortcut *shortcut3 = new QShortcut(QKeySequence(Qt::Key_3), this);
+ connect(shortcut3, SIGNAL(activated()), mapper, SLOT(map()));
+ mapper->setMapping(shortcut1, 0),
+ mapper->setMapping(shortcut2, 1);
+ mapper->setMapping(shortcut3, 2);
+
+ connect(mapper, SIGNAL(mapped(int)), this, SLOT(channel_clicked(int)));
+ }
+
+ // Hook up the transition buttons.
+ // TODO: Make them dynamic.
+ {
+ QSignalMapper *mapper = new QSignalMapper(this);
+ mapper->setMapping(ui->transition_btn1, 0),
+ mapper->setMapping(ui->transition_btn2, 1);
+ mapper->setMapping(ui->transition_btn3, 2);
+ connect(ui->transition_btn1, SIGNAL(clicked()), mapper, SLOT(map()));
+ connect(ui->transition_btn2, SIGNAL(clicked()), mapper, SLOT(map()));
+ connect(ui->transition_btn3, SIGNAL(clicked()), mapper, SLOT(map()));
+ connect(mapper, SIGNAL(mapped(int)), this, SLOT(transition_clicked(int)));
+ }
+
+ // Aiee...
+ transition_btn1 = ui->transition_btn1;
+ transition_btn2 = ui->transition_btn2;
+ transition_btn3 = ui->transition_btn3;
+ qRegisterMetaType<std::vector<std::string>>("std::vector<std::string>");
+ connect(ui->preview1, SIGNAL(transition_names_updated(std::vector<std::string>)),
+ this, SLOT(set_transition_names(std::vector<std::string>)));
+}
+
+void MainWindow::resizeEvent(QResizeEvent* event)
+{
+ QMainWindow::resizeEvent(event);
+
+ // Ask for a relayout, but only after the event loop is done doing relayout
+ // on everything else.
+ QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
+}
+
+void MainWindow::mixer_created(Mixer *mixer)
+{
+ mixer->set_audio_level_callback([this](float level_lufs, float peak_db, float global_level_lufs, float range_low_lufs, float range_high_lufs){
+ ui->vu_meter->set_level(level_lufs);
+ ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
+
+ char buf[256];
+ snprintf(buf, sizeof(buf), "%.1f", peak_db);
+ ui->peak_display->setText(buf);
+ if (peak_db > -0.1f) { // -0.1 dBFS is EBU peak limit.
+ ui->peak_display->setStyleSheet("QLabel { background-color: red; color: white; }");
+ } else {
+ ui->peak_display->setStyleSheet("");
+ }
+ });
+}
+
+void MainWindow::relayout()
+{
+ int width = size().width();
+ int height = size().height();
+
+ // Allocate the height; the most important part is to keep the main displays
+ // at 16:9 if at all possible.
+ double me_width = ui->me_preview->width();
+ double me_height = me_width * 9.0 / 16.0 + ui->label_preview->height();
+
+ // TODO: Scale the widths when we need to do this.
+ if (me_height / double(height) > 0.8) {
+ me_height = height * 0.8;
+ }
+
+ // The previews will be constrained by the remaining height, and the width.
+ // FIXME: spacing?
+ double preview_height = std::min(height - me_height, (width / 4.0) * 9.0 / 16.0);
+
+ ui->vertical_layout->setStretch(0, lrintf(me_height));
+ ui->vertical_layout->setStretch(1, std::max<int>(1, lrintf(height - me_height - preview_height)));
+ ui->vertical_layout->setStretch(2, lrintf(preview_height));
+
+ // Set the widths for the previews.
+ double preview_width = preview_height * 16.0 / 9.0; // FIXME: spacing?
+
+ ui->preview_displays->setStretch(0, lrintf(preview_width));
+ ui->preview_displays->setStretch(1, lrintf(preview_width));
+ ui->preview_displays->setStretch(2, lrintf(preview_width));
+ ui->preview_displays->setStretch(3, lrintf(preview_width));
+ ui->preview_displays->setStretch(4, lrintf(width - 4.0 * preview_width));
+}
+
+void MainWindow::set_transition_names(vector<string> transition_names)
+{
+ if (transition_names.size() < 1) {
+ transition_btn1->setText(QString(""));
+ } else {
+ transition_btn1->setText(QString::fromStdString(transition_names[0]));
+ }
+ if (transition_names.size() < 2) {
+ transition_btn2->setText(QString(""));
+ } else {
+ transition_btn2->setText(QString::fromStdString(transition_names[1]));
+ }
+ if (transition_names.size() < 3) {
+ transition_btn3->setText(QString(""));
+ } else {
+ transition_btn3->setText(QString::fromStdString(transition_names[2]));
+ }
+}
+
+void MainWindow::transition_clicked(int transition_number)
+{
+ global_mixer->transition_clicked(transition_number);