chatgui: verify latched PTT ownership and channel reset

tools/chatgui/src/radiopanel.cpp

@@ -59,7 +59,7 @@ RadioPanel::RadioPanel(QWidget* parent) : QWidget(parent) {
     row->addWidget(m_ptt);
     auto* engine = RadioAudioEngine::instance();
     connect(m_ptt, &QPushButton::pressed, this, [this, engine]() {
-        if (m_pttLatched) setPttLatched(false, "button-pressed");
+        if (m_pttLatched) { setPttLatched(false, "button-pressed"); updateState(); }
         else engine->talkBegin();
     });
     connect(m_ptt, &QPushButton::released, this, [this, engine]() {
@@ -85,6 +85,7 @@ bool RadioPanel::eventFilter(QObject* watched, QEvent* event) {
         auto* mouse = static_cast<QMouseEvent*>(event);
         if (mouse->button() == Qt::LeftButton && m_ptt->rect().contains(mouse->pos())) {
             setPttLatched(true, "double-click");
+            updateState();
             return true;
         }
     }
@@ -100,7 +101,6 @@ void RadioPanel::setPttLatched(bool latched, const char* reason) {
                latched ? "latched (click to release)" : "latch released", (unsigned long long)engine->groupId(), reason);
     if (latched) engine->talkBegin();
     else engine->talkEnd();
-    updateState();
 }
 
 void RadioPanel::updateState() {

tools/chatgui/tests/test_radio_panel.cpp

@@ -153,6 +153,39 @@ int main(int argc, char** argv) {
     engine->setHotkeyTalking(false);
     await([&]() { return !engine->isTransmitting(); });
     REQUIRE(!selfSpeaking());
+    // Реальная последовательность double-click: первый click, второе нажатие DoubleClick, release.
+    auto latchPtt = [&]() {
+        QTest::mouseClick(ptt, Qt::LeftButton);
+        QTest::mouseDClick(ptt, Qt::LeftButton);
+        QTest::mouseRelease(ptt, Qt::LeftButton);
+        REQUIRE(engine->isTalking());
+        await([&]() { return engine->isTransmitting(); });
+    };
+    latchPtt();
+    engine->setHotkeyTalking(true);
+    engine->setHotkeyTalking(false);
+    REQUIRE(engine->isTalking()); // Отпускание хоткея не снимает фиксацию кнопки.
+    QTest::mousePress(ptt, Qt::LeftButton);
+    REQUIRE(!engine->isTalking()); // Следующий click отпускает уже на нажатии.
+    QTest::mouseRelease(ptt, Qt::LeftButton);
+    await([&]() { return !engine->isTransmitting(); });
+    latchPtt();
+    engine->setHotkeyTalking(true);
+    QTest::mouseClick(ptt, Qt::LeftButton);
+    REQUIRE(engine->isTalking()); // Снятие фиксации не отпускает зажатый хоткей.
+    engine->setHotkeyTalking(false);
+    await([&]() { return !engine->isTransmitting(); });
+    latchPtt();
+    REQUIRE(engine->start(8) == 0);
+    await([&]() { return engine->captureAvailable(); });
+    REQUIRE(!engine->isTalking() && !engine->isTransmitting());
+    REQUIRE(engine->start(7) == 0);
+    await([&]() { return engine->captureAvailable(); });
+    QTest::mousePress(ptt, Qt::LeftButton);
+    REQUIRE(engine->isTalking()); // После смены канала снова работает обычное удержание.
+    QTest::mouseRelease(ptt, Qt::LeftButton);
+    REQUIRE(!engine->isTalking());
+    qInfo("radio panel: double-click latch, click release, independent hotkey and channel reset PASS");
     REQUIRE(engine->applySettings({{"radio_vad_threshold", 65}, {"radio_vad_hangover_ms", 400},
                                   {"radio_vad_compressor_max_gain_db", 30}, {"radio_compressor_max_gain_db", 6}}));
     await([&]() { return !engine->settingsBusy(); });