1 #include "mainwindow.h"
9 #include <QKeySequence>
12 #include <QPushButton>
13 #include <QResizeEvent>
15 #include <QSignalMapper>
22 #include "ui_mainwindow.h"
29 Q_DECLARE_METATYPE(std::vector<std::string>);
31 MainWindow *global_mainwindow = nullptr;
33 MainWindow::MainWindow()
34 : ui(new Ui::MainWindow)
36 global_mainwindow = this;
39 ui->me_live->set_output(Mixer::OUTPUT_LIVE);
40 ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW);
42 // TODO: Ask for the real number.
43 ui->preview1->set_output(Mixer::OUTPUT_INPUT0);
44 ui->preview2->set_output(Mixer::OUTPUT_INPUT1);
45 ui->preview3->set_output(Mixer::OUTPUT_INPUT2);
47 // Hook up the preview clicks.
49 QSignalMapper *mapper = new QSignalMapper(this);
50 mapper->setMapping(ui->preview1, 0),
51 mapper->setMapping(ui->preview2, 1);
52 mapper->setMapping(ui->preview3, 2);
53 connect(ui->preview1, SIGNAL(clicked()), mapper, SLOT(map()));
54 connect(ui->preview2, SIGNAL(clicked()), mapper, SLOT(map()));
55 connect(ui->preview3, SIGNAL(clicked()), mapper, SLOT(map()));
57 connect(mapper, SIGNAL(mapped(int)), this, SLOT(channel_clicked(int)));
60 // Hook up the preview keyboard keys.
62 QSignalMapper *mapper = new QSignalMapper(this);
63 QShortcut *shortcut1 = new QShortcut(QKeySequence(Qt::Key_1), this);
64 connect(shortcut1, SIGNAL(activated()), mapper, SLOT(map()));
65 QShortcut *shortcut2 = new QShortcut(QKeySequence(Qt::Key_2), this);
66 connect(shortcut2, SIGNAL(activated()), mapper, SLOT(map()));
67 QShortcut *shortcut3 = new QShortcut(QKeySequence(Qt::Key_3), this);
68 connect(shortcut3, SIGNAL(activated()), mapper, SLOT(map()));
69 mapper->setMapping(shortcut1, 0),
70 mapper->setMapping(shortcut2, 1);
71 mapper->setMapping(shortcut3, 2);
73 connect(mapper, SIGNAL(mapped(int)), this, SLOT(channel_clicked(int)));
76 // Hook up the transition buttons.
77 // TODO: Make them dynamic.
79 QSignalMapper *mapper = new QSignalMapper(this);
80 mapper->setMapping(ui->transition_btn1, 0),
81 mapper->setMapping(ui->transition_btn2, 1);
82 mapper->setMapping(ui->transition_btn3, 2);
83 connect(ui->transition_btn1, SIGNAL(clicked()), mapper, SLOT(map()));
84 connect(ui->transition_btn2, SIGNAL(clicked()), mapper, SLOT(map()));
85 connect(ui->transition_btn3, SIGNAL(clicked()), mapper, SLOT(map()));
86 connect(mapper, SIGNAL(mapped(int)), this, SLOT(transition_clicked(int)));
90 transition_btn1 = ui->transition_btn1;
91 transition_btn2 = ui->transition_btn2;
92 transition_btn3 = ui->transition_btn3;
93 qRegisterMetaType<std::vector<std::string>>("std::vector<std::string>");
94 connect(ui->preview1, SIGNAL(transition_names_updated(std::vector<std::string>)),
95 this, SLOT(set_transition_names(std::vector<std::string>)));
98 void MainWindow::resizeEvent(QResizeEvent* event)
100 QMainWindow::resizeEvent(event);
102 // Ask for a relayout, but only after the event loop is done doing relayout
103 // on everything else.
104 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
107 void MainWindow::mixer_created(Mixer *mixer)
109 mixer->set_audio_level_callback([this](float level_lufs, float peak_db, float global_level_lufs, float range_low_lufs, float range_high_lufs){
110 ui->vu_meter->set_level(level_lufs);
111 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
114 snprintf(buf, sizeof(buf), "%.1f", peak_db);
115 ui->peak_display->setText(buf);
116 if (peak_db > -0.1f) { // -0.1 dBFS is EBU peak limit.
117 ui->peak_display->setStyleSheet("QLabel { background-color: red; color: white; }");
119 ui->peak_display->setStyleSheet("");
124 void MainWindow::relayout()
126 int width = size().width();
127 int height = size().height();
129 // Allocate the height; the most important part is to keep the main displays
130 // at 16:9 if at all possible.
131 double me_width = ui->me_preview->width();
132 double me_height = me_width * 9.0 / 16.0 + ui->label_preview->height();
134 // TODO: Scale the widths when we need to do this.
135 if (me_height / double(height) > 0.8) {
136 me_height = height * 0.8;
139 // The previews will be constrained by the remaining height, and the width.
141 double preview_height = std::min(height - me_height, (width / 4.0) * 9.0 / 16.0);
143 ui->vertical_layout->setStretch(0, lrintf(me_height));
144 ui->vertical_layout->setStretch(1, std::max<int>(1, lrintf(height - me_height - preview_height)));
145 ui->vertical_layout->setStretch(2, lrintf(preview_height));
147 // Set the widths for the previews.
148 double preview_width = preview_height * 16.0 / 9.0; // FIXME: spacing?
150 ui->preview_displays->setStretch(0, lrintf(preview_width));
151 ui->preview_displays->setStretch(1, lrintf(preview_width));
152 ui->preview_displays->setStretch(2, lrintf(preview_width));
153 ui->preview_displays->setStretch(3, lrintf(preview_width));
154 ui->preview_displays->setStretch(4, lrintf(width - 4.0 * preview_width));
157 void MainWindow::set_transition_names(vector<string> transition_names)
159 if (transition_names.size() < 1) {
160 transition_btn1->setText(QString(""));
162 transition_btn1->setText(QString::fromStdString(transition_names[0]));
164 if (transition_names.size() < 2) {
165 transition_btn2->setText(QString(""));
167 transition_btn2->setText(QString::fromStdString(transition_names[1]));
169 if (transition_names.size() < 3) {
170 transition_btn3->setText(QString(""));
172 transition_btn3->setText(QString::fromStdString(transition_names[2]));
176 void MainWindow::transition_clicked(int transition_number)
178 global_mixer->transition_clicked(transition_number);
181 void MainWindow::channel_clicked(int channel_number)
183 global_mixer->channel_clicked(channel_number);