Open reaction picker from desktop heart and toggle existing reactions

tools/chatgui/src/messagefeedback.cpp

@@ -18,6 +18,8 @@
 #include <QMessageBox>
 #include <QJsonDocument>
 #include <QJsonArray>
+#include <QMenu>
+#include <QCursor>
 #include <cstring>
 
 extern "C" {
@@ -26,6 +28,34 @@ extern "C" {
 
 static QString feedbackText(const char* source) { return QCoreApplication::translate("ChatGui", source); }
 
+void MessageList::addReactionActions(QMenu* menu, const QString& channel, const QString& messageId) {
+    QSet<int> mine;
+    for (const auto& value : m_feedback.value(messageId).value("reactions").toArray())
+        if (value.toObject().value("mine").toBool()) mine.insert(value.toObject().value("id").toInt());
+    for (unsigned i = 0; i < CHAT_REACTION_COUNT; i++) {
+        auto* action = menu->addAction(QString::fromUtf8(chat_reaction_emoji(i)));
+        action->setCheckable(true); action->setChecked(mine.contains(i));
+        connect(action, &QAction::triggered, this, [this, channel, messageId, i]() {
+            GUI_DEBUG("reaction: chosen ch=%s message=%s emoji=%u", qPrintable(channel), qPrintable(messageId), i);
+            sendFeedback({{"cmd", "react"}, {"ch", channel}, {"message_id", messageId}, {"emoji", (int)i}});
+        });
+    }
+}
+
+void MessageList::requestReaction(const QModelIndex& index, int emoji) {
+    const QString channel = index.data(MsgChannelIdRole).toString(), messageId = index.data(MsgMessageKeyRole).toString();
+    if (!index.isValid() || channel.isEmpty() || isDmChannel(channel) || messageId.size() != 64
+        || emoji < -1 || emoji >= CHAT_REACTION_COUNT) {
+        GUI_WARN("reaction: invalid target ch=%s key_bytes=%d emoji=%d", qPrintable(channel), messageId.size(), emoji); return;
+    }
+    if (emoji >= 0) {
+        GUI_DEBUG("reaction: toggled ch=%s message=%s emoji=%d", qPrintable(channel), qPrintable(messageId), emoji);
+        sendFeedback({{"cmd", "react"}, {"ch", channel}, {"message_id", messageId}, {"emoji", emoji}}); return;
+    }
+    GUI_DEBUG("reaction: picker opened ch=%s message=%s", qPrintable(channel), qPrintable(messageId));
+    QMenu menu(m_view); addReactionActions(&menu, channel, messageId); menu.exec(QCursor::pos());
+}
+
 /* Итог для баббла и открытого диалога; строковые поля показываем как обычный текст. */
 static QString pollSummary(const QJsonObject& poll) {
     QString text = poll.value("question").toString();