Expose broadcast setup even when a channel has no live sources

tools/chatgui/src/mainwindow.h

@@ -22,6 +22,8 @@ class AudioRecorder;
 class ConnMonitorWindow;
 class VideoPlayerWindow;
 class StreamPlayerWindow;
+class StreamPublishEngine;
+class StreamPublishWindow;
 class ImageViewerWindow;
 class CallWindow;
 class CallAudioEngine;
@@ -126,6 +128,8 @@ private:
     ConnMonitorWindow *m_connMonitor = nullptr;
     VideoPlayerWindow *m_videoPlayer = nullptr;
     QPointer<StreamPlayerWindow> m_streamPlayer;
+    StreamPublishEngine* m_streamPublisher = nullptr;
+    QPointer<StreamPublishWindow> m_streamPublishWindow;
     ImageViewerWindow *m_imageViewer = nullptr;
     QPointer<MemberFileBrowser> m_fileBrowser;
 

tools/chatgui/src/messagelist.cpp

@@ -441,8 +441,10 @@ MessageList::MessageList(DbManager* db, AudioRecorder* recorder, QWidget *parent
                            qPrintable(m_currentChannelId), (unsigned long long)source.id, (unsigned long long)source.epoch);
                 emit streamRequested(m_currentChannelId.toULongLong(), source.id, source.epoch, source.name);
             };
-            if (m_streamSources.size() == 1) { watch(m_streamSources.front()); return; }
             QMenu menu(this);
+            auto* publish = menu.addAction(QCoreApplication::translate("ChatGui", "Broadcast stream"));
+            connect(publish, &QAction::triggered, this, [this] { emit streamPublishRequested(m_currentChannelId.toULongLong()); });
+            if (!m_streamSources.isEmpty()) menu.addSeparator();
             for (const auto& source : m_streamSources) {
                 auto* action = menu.addAction(QStringLiteral("%1 · %2").arg(source.name).arg(source.id));
                 connect(action, &QAction::triggered, this, [watch, source] { watch(source); });
@@ -1482,7 +1484,11 @@ void MessageList::watchStreams() {
     gui_stream_watch(isDmChannel(m_currentChannelId) ? 0 : m_currentChannelId.toULongLong());
 }
 
-void MessageList::clearStreams() { m_streamSources.clear(); m_streamBtn->hide(); }
+void MessageList::clearStreams() {
+    m_streamSources.clear(); m_streamBtn->setText(QString());
+    m_streamBtn->setVisible(!m_currentChannelId.isEmpty() && !isDmChannel(m_currentChannelId));
+    m_streamBtn->setToolTip(QCoreApplication::translate("ChatGui", "Live streams"));
+}
 
 /* Полный снимок применяется атомарно; ответы предыдущего канала не меняют текущую шапку. */
 void MessageList::onStreamSources(const uint8_t* data, int len) {
@@ -1508,7 +1514,7 @@ void MessageList::onStreamSources(const uint8_t* data, int len) {
         QString name = member.value("name").toString(); if (name.isEmpty()) name = QString::number(id);
         sources.push_back({id, epoch, name});
     }
-    m_streamSources = std::move(sources); m_streamBtn->setVisible(!m_streamSources.isEmpty());
+    m_streamSources = std::move(sources); m_streamBtn->setVisible(true);
     m_streamBtn->setText(m_streamSources.size() > 1 ? QString::number(m_streamSources.size()) : QString());
     m_streamBtn->setToolTip(QCoreApplication::translate("ChatGui", "Live streams: %1").arg(m_streamSources.size()));
     DEBUG_INFO(DEBUG_CATEGORY_STREAM, "desktop stream header group=%llx sources=%d", (unsigned long long)group, (int)m_streamSources.size());

tools/chatgui/src/messagelist.h

@@ -55,6 +55,7 @@ signals:
     void callRequested(const QString& target, quint64 peer, const QString& name);
     void openVideoRequested(const QString& filePath);
     void streamRequested(quint64 group, quint64 source, quint64 epoch, const QString& name);
+    void streamPublishRequested(quint64 group);
     void openImageRequested(const QString& filePath);
     void inviteRequested(const QString& sourceChannel, quint64 peer, const QString& name);
     void ownFilesRequested(const QString& channelId);