Improve call buffering, CM handle lifecycle and radio PTT controls

tools/chatgui/src/callwindow.cpp

@@ -137,7 +137,7 @@ static QWidget* wrapWithCaption(QWidget* btn, const QString& caption, QLabel** c
 CallWindow::CallWindow(QWidget* parent)
     : QWidget(parent, Qt::Window) {
     setWindowTitle(QStringLiteral("Звонок"));
-    setFixedSize(340, 400);
+    setFixedSize(360, 480);
     setAttribute(Qt::WA_DeleteOnClose, false);
 
     m_avatarLabel = new QLabel(this);
@@ -161,6 +161,11 @@ CallWindow::CallWindow(QWidget* parent)
     m_bgpPathLabel->setWordWrap(true);
     m_bgpPathLabel->setStyleSheet("color: gray; font-size: 11px;");
     m_bgpPathLabel->hide();
+    m_statsLabel = new QLabel(this);
+    m_statsLabel->setAlignment(Qt::AlignCenter);
+    m_statsLabel->setWordWrap(true);
+    m_statsLabel->setStyleSheet("color: gray; font-size: 11px;");
+    m_statsLabel->hide();
 
     m_acceptBtn = makeRoundBtn(makeRoundIcon(QColor("#27ae60"), Glyph::Phone, 96), QStringLiteral("Принять"), this);
     m_declineBtn = makeRoundBtn(makeRoundIcon(QColor("#e74c3c"), Glyph::PhoneDown, 96), QStringLiteral("Отклонить"), this);
@@ -181,6 +186,7 @@ CallWindow::CallWindow(QWidget* parent)
     lay->addWidget(m_statusLabel);
     lay->addWidget(m_durationLabel);
     lay->addWidget(m_bgpPathLabel);
+    lay->addWidget(m_statsLabel);
     lay->addStretch(1);
 
     m_acceptCell = wrapWithCaption(m_acceptBtn, QStringLiteral("Принять"));
@@ -332,3 +338,13 @@ void CallWindow::updateDuration() {
         .arg(s / 60, 2, 10, QChar('0'))
         .arg(s % 60, 2, 10, QChar('0')));
 }
+
+void CallWindow::setAudioStats(int rtt, int buffer, int tempo, int dropped, int underruns,
+                              int minimum, int maximum, int reserve) {
+    m_statsLabel->setText(QStringLiteral("Буфер: %1 мс · Запас: %2 мс\n"
+        "За 10 с: минимум %3 · максимум %4 мс\n"
+        "Скорость: %5× · RTT: %6 мс\nПотери буфера: %7 · Недостачи: %8")
+        .arg(buffer).arg(reserve).arg(minimum).arg(maximum)
+        .arg(tempo / 100.0, 0, 'f', 2).arg(rtt).arg(dropped).arg(underruns));
+    m_statsLabel->show();
+}