1 #include "mainwindow.h"
5 #include <QSignalMapper>
8 #include <QResizeEvent>
13 #include "ui_mainwindow.h"
17 Q_DECLARE_METATYPE(std::vector<std::string>);
19 MainWindow *global_mainwindow = nullptr;
21 MainWindow::MainWindow()
22 : ui(new Ui::MainWindow)
24 global_mainwindow = this;
27 ui->me_live->set_output(Mixer::OUTPUT_LIVE);
28 ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW);
30 // TODO: Ask for the real number.
31 ui->preview1->set_output(Mixer::OUTPUT_INPUT0);
32 ui->preview2->set_output(Mixer::OUTPUT_INPUT1);
33 ui->preview3->set_output(Mixer::OUTPUT_INPUT2);
35 // Hook up the preview clicks.
37 QSignalMapper *mapper = new QSignalMapper(this);
38 mapper->setMapping(ui->preview1, 0),
39 mapper->setMapping(ui->preview2, 1);
40 mapper->setMapping(ui->preview3, 2);
41 connect(ui->preview1, SIGNAL(clicked()), mapper, SLOT(map()));
42 connect(ui->preview2, SIGNAL(clicked()), mapper, SLOT(map()));
43 connect(ui->preview3, SIGNAL(clicked()), mapper, SLOT(map()));
45 connect(mapper, SIGNAL(mapped(int)), this, SLOT(channel_clicked(int)));
48 // Hook up the preview keyboard keys.
50 QSignalMapper *mapper = new QSignalMapper(this);
51 QShortcut *shortcut1 = new QShortcut(QKeySequence(Qt::Key_1), this);
52 connect(shortcut1, SIGNAL(activated()), mapper, SLOT(map()));
53 QShortcut *shortcut2 = new QShortcut(QKeySequence(Qt::Key_2), this);
54 connect(shortcut2, SIGNAL(activated()), mapper, SLOT(map()));
55 QShortcut *shortcut3 = new QShortcut(QKeySequence(Qt::Key_3), this);
56 connect(shortcut3, SIGNAL(activated()), mapper, SLOT(map()));
57 mapper->setMapping(shortcut1, 0),
58 mapper->setMapping(shortcut2, 1);
59 mapper->setMapping(shortcut3, 2);
61 connect(mapper, SIGNAL(mapped(int)), this, SLOT(channel_clicked(int)));
64 // Hook up the transition buttons.
65 // TODO: Make them dynamic.
67 QSignalMapper *mapper = new QSignalMapper(this);
68 mapper->setMapping(ui->transition_btn1, 0),
69 mapper->setMapping(ui->transition_btn2, 1);
70 mapper->setMapping(ui->transition_btn3, 2);
71 connect(ui->transition_btn1, SIGNAL(clicked()), mapper, SLOT(map()));
72 connect(ui->transition_btn2, SIGNAL(clicked()), mapper, SLOT(map()));
73 connect(ui->transition_btn3, SIGNAL(clicked()), mapper, SLOT(map()));
74 connect(mapper, SIGNAL(mapped(int)), this, SLOT(transition_clicked(int)));
78 transition_btn1 = ui->transition_btn1;
79 transition_btn2 = ui->transition_btn2;
80 transition_btn3 = ui->transition_btn3;
81 qRegisterMetaType<std::vector<std::string>>("std::vector<std::string>");
82 connect(ui->preview1, SIGNAL(transition_names_updated(std::vector<std::string>)),
83 this, SLOT(set_transition_names(std::vector<std::string>)));
86 void MainWindow::resizeEvent(QResizeEvent* event)
88 QMainWindow::resizeEvent(event);
90 // Ask for a relayout, but only after the event loop is done doing relayout
91 // on everything else.
92 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
95 void MainWindow::mixer_created(Mixer *mixer)
97 mixer->set_audio_level_callback([this](float level_lufs, float peak_db){
98 ui->vu_meter->set_level(level_lufs);
101 snprintf(buf, sizeof(buf), "%.1f", peak_db);
102 ui->peak_display->setText(buf);
103 if (peak_db > -0.1f) { // -0.1 dBFS is EBU peak limit.
104 ui->peak_display->setStyleSheet("QLabel { background-color: red; color: white; }");
106 ui->peak_display->setStyleSheet("");
111 void MainWindow::relayout()
113 int width = size().width();
114 int height = size().height();
116 // Allocate the height; the most important part is to keep the main displays
117 // at 16:9 if at all possible.
118 double me_width = ui->me_preview->width();
119 double me_height = me_width * 9.0 / 16.0 + ui->label_preview->height();
121 // TODO: Scale the widths when we need to do this.
122 if (me_height / double(height) > 0.8) {
123 me_height = height * 0.8;
126 // The previews will be constrained by the remaining height, and the width.
128 double preview_height = std::min(height - me_height, (width / 4.0) * 9.0 / 16.0);
130 ui->vertical_layout->setStretch(0, lrintf(me_height));
131 ui->vertical_layout->setStretch(1, std::max<int>(1, lrintf(height - me_height - preview_height)));
132 ui->vertical_layout->setStretch(2, lrintf(preview_height));
134 // Set the widths for the previews.
135 double preview_width = preview_height * 16.0 / 9.0; // FIXME: spacing?
137 ui->preview_displays->setStretch(0, lrintf(preview_width));
138 ui->preview_displays->setStretch(1, lrintf(preview_width));
139 ui->preview_displays->setStretch(2, lrintf(preview_width));
140 ui->preview_displays->setStretch(3, lrintf(preview_width));
141 ui->preview_displays->setStretch(4, lrintf(width - 4.0 * preview_width));
144 void MainWindow::set_transition_names(vector<string> transition_names)
146 if (transition_names.size() < 1) {
147 transition_btn1->setText(QString(""));
149 transition_btn1->setText(QString::fromStdString(transition_names[0]));
151 if (transition_names.size() < 2) {
152 transition_btn2->setText(QString(""));
154 transition_btn2->setText(QString::fromStdString(transition_names[1]));
156 if (transition_names.size() < 3) {
157 transition_btn3->setText(QString(""));
159 transition_btn3->setText(QString::fromStdString(transition_names[2]));
163 void MainWindow::transition_clicked(int transition_number)
165 global_mixer->transition_clicked(transition_number);
168 void MainWindow::channel_clicked(int channel_number)
170 global_mixer->channel_clicked(channel_number);