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							119 lines
						
					
					
						
							3.2 KiB
						
					
					
				| #include "selfdrive/ui/qt/spinner.h"
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| 
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| #include <cstdio>
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| #include <iostream>
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| #include <string>
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| 
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| #include <QApplication>
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| #include <QGridLayout>
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| #include <QPainter>
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| #include <QString>
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| #include <QTransform>
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| 
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| #include "system/hardware/hw.h"
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| #include "selfdrive/ui/qt/qt_window.h"
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| #include "selfdrive/ui/qt/util.h"
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| 
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| TrackWidget::TrackWidget(QWidget *parent) : QWidget(parent) {
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|   setAttribute(Qt::WA_OpaquePaintEvent);
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|   setFixedSize(spinner_size);
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| 
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|   // pre-compute all the track imgs. make this a gif instead?
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|   QPixmap comma_img = loadPixmap("../assets/img_spinner_comma.png", spinner_size);
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|   QPixmap track_img = loadPixmap("../assets/img_spinner_track.png", spinner_size);
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| 
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|   QTransform transform(1, 0, 0, 1, width() / 2, height() / 2);
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|   QPixmap pm(spinner_size);
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|   QPainter p(&pm);
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|   p.setRenderHint(QPainter::SmoothPixmapTransform);
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|   for (int i = 0; i < track_imgs.size(); ++i) {
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|     p.resetTransform();
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|     p.fillRect(0, 0, spinner_size.width(), spinner_size.height(), Qt::black);
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|     p.drawPixmap(0, 0, comma_img);
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|     p.setTransform(transform.rotate(360 / spinner_fps));
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|     p.drawPixmap(-width() / 2, -height() / 2, track_img);
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|     track_imgs[i] = pm.copy();
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|   }
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| 
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|   m_anim.setDuration(1000);
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|   m_anim.setStartValue(0);
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|   m_anim.setEndValue(int(track_imgs.size() -1));
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|   m_anim.setLoopCount(-1);
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|   m_anim.start();
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|   connect(&m_anim, SIGNAL(valueChanged(QVariant)), SLOT(update()));
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| }
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| 
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| void TrackWidget::paintEvent(QPaintEvent *event) {
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|   QPainter painter(this);
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|   painter.drawPixmap(0, 0, track_imgs[m_anim.currentValue().toInt()]);
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| }
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| 
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| // Spinner
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| 
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| Spinner::Spinner(QWidget *parent) : QWidget(parent) {
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|   QGridLayout *main_layout = new QGridLayout(this);
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|   main_layout->setSpacing(0);
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|   main_layout->setMargin(200);
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| 
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|   main_layout->addWidget(new TrackWidget(this), 0, 0, Qt::AlignHCenter | Qt::AlignVCenter);
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| 
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|   text = new QLabel();
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|   text->setWordWrap(true);
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|   text->setVisible(false);
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|   text->setAlignment(Qt::AlignCenter);
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|   main_layout->addWidget(text, 1, 0, Qt::AlignHCenter);
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| 
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|   progress_bar = new QProgressBar();
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|   progress_bar->setRange(5, 100);
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|   progress_bar->setTextVisible(false);
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|   progress_bar->setVisible(false);
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|   progress_bar->setFixedHeight(20);
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|   main_layout->addWidget(progress_bar, 1, 0, Qt::AlignHCenter);
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| 
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|   setStyleSheet(R"(
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|     Spinner {
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|       background-color: black;
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|     }
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|     QLabel {
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|       color: white;
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|       font-size: 80px;
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|       background-color: transparent;
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|     }
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|     QProgressBar {
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|       background-color: #373737;
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|       width: 1000px;
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|       border solid white;
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|       border-radius: 10px;
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|     }
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|     QProgressBar::chunk {
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|       border-radius: 10px;
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|       background-color: white;
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|     }
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|   )");
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| 
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|   notifier = new QSocketNotifier(fileno(stdin), QSocketNotifier::Read);
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|   QObject::connect(notifier, &QSocketNotifier::activated, this, &Spinner::update);
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| };
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| 
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| void Spinner::update(int n) {
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|   std::string line;
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|   std::getline(std::cin, line);
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| 
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|   if (line.length()) {
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|     bool number = std::all_of(line.begin(), line.end(), ::isdigit);
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|     text->setVisible(!number);
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|     progress_bar->setVisible(number);
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|     text->setText(QString::fromStdString(line));
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|     if (number) {
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|       progress_bar->setValue(std::stoi(line));
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|     }
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|   }
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| }
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| 
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| int main(int argc, char *argv[]) {
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|   initApp(argc, argv);
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|   QApplication a(argc, argv);
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|   Spinner spinner;
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|   setMainWindow(&spinner);
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|   return a.exec();
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| }
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| 
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