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qml/pages/ChatPage.qml

@@ -330,6 +330,76 @@ Page {
                                     visible: ( chatPage.isBasicGroup || chatPage.isSuperGroup ) && !chatPage.isChannel
                                 }
 
+                                Row {
+                                    id: inReplyToRow
+                                    spacing: Theme.paddingSmall
+                                    visible: display.reply_to_message_id !== 0
+                                    width: parent.width
+
+                                    property variant inReplyToMessage;
+
+                                    Component.onCompleted: {
+                                        if (visible) {
+                                            tdLibWrapper.getMessage(chatInformation.id, display.reply_to_message_id);
+                                        }
+                                    }
+
+                                    Connections {
+                                        target: tdLibWrapper
+                                        onReceivedMessage: {
+                                            if (messageId === display.reply_to_message_id.toString()) {
+                                                inReplyToRow.inReplyToMessage = message;
+                                                inReplyToUserText.text = (inReplyToRow.inReplyToMessage.sender_user_id !== chatPage.myUserId) ? Emoji.emojify(Functions.getUserName(tdLibWrapper.getUserInformation(inReplyToRow.inReplyToMessage.sender_user_id)), inReplyToUserText.font.pixelSize) : qsTr("You");
+                                                inReplyToMessageText.text = Emoji.emojify(Functions.getMessageText(inReplyToRow.inReplyToMessage, true), inReplyToMessageText.font.pixelSize);
+                                            }
+                                        }
+                                    }
+
+                                    Rectangle {
+                                        id: inReplyToMessageRectangle
+                                        height: inReplyToMessageColumn.height
+                                        width: Theme.paddingSmall
+                                        color: Theme.secondaryHighlightColor
+                                        border.width: 0
+                                    }
+
+                                    Column {
+                                        id: inReplyToMessageColumn
+                                        spacing: Theme.paddingSmall
+                                        width: parent.width - Theme.paddingSmall - inReplyToMessageRectangle.width
+
+                                        Text {
+                                            id: inReplyToUserText
+
+                                            width: parent.width
+                                            font.pixelSize: Theme.fontSizeExtraSmall
+                                            font.weight: Font.ExtraBold
+                                            color: Theme.primaryColor
+                                            maximumLineCount: 1
+                                            elide: Text.ElideRight
+                                            textFormat: Text.StyledText
+                                            horizontalAlignment: Text.AlignLeft
+                                        }
+
+                                        Text {
+                                            id: inReplyToMessageText
+                                            font.pixelSize: Theme.fontSizeExtraSmall
+                                            color: Theme.primaryColor
+                                            width: parent.width
+                                            elide: Text.ElideRight
+                                            textFormat: Text.StyledText
+                                            onTruncatedChanged: {
+                                                // There is obviously a bug in QML in truncating text with images.
+                                                // We simply remove Emojis then...
+                                                if (truncated) {
+                                                    text = text.replace(/\<img [^>]+\/\>/g, "");
+                                                }
+                                            }
+                                        }
+                                    }
+
+                                }
+
                                 Text {
                                     id: messageText
 

src/tdlibreceiver.cpp

@@ -72,6 +72,7 @@ void TDLibReceiver::processReceivedDocument(const QJsonDocument &receivedJsonDoc
     if (objectTypeName == "updateChatOnlineMemberCount") { this->processChatOnlineMemberCountUpdated(receivedInformation); }
     if (objectTypeName == "messages") { this->processMessages(receivedInformation); }
     if (objectTypeName == "updateNewMessage") { this->processUpdateNewMessage(receivedInformation); }
+    if (objectTypeName == "message") { this->processMessage(receivedInformation); }
 }
 
 void TDLibReceiver::processUpdateOption(const QVariantMap &receivedInformation)
@@ -212,3 +213,11 @@ void TDLibReceiver::processUpdateNewMessage(const QVariantMap &receivedInformati
     qDebug() << "[TDLibReceiver] Received new message for chat " << chatId;
     emit newMessageReceived(chatId, receivedInformation.value("message").toMap());
 }
+
+void TDLibReceiver::processMessage(const QVariantMap &receivedInformation)
+{
+    QString chatId = receivedInformation.value("chat_id").toString();
+    QString messageId = receivedInformation.value("id").toString();
+    qDebug() << "[TDLibReceiver] Received message " << chatId << messageId;
+    emit messageInformation(messageId, receivedInformation);
+}

src/tdlibreceiver.h

@@ -54,6 +54,7 @@ signals:
     void chatOnlineMemberCountUpdated(const QString &chatId, const int &onlineMemberCount);
     void messagesReceived(const QVariantList &messages);
     void newMessageReceived(const QString &chatId, const QVariantMap &message);
+    void messageInformation(const QString &messageId, const QVariantMap &message);
 
 private:
     void *tdLibClient;
@@ -79,6 +80,7 @@ private:
     void processChatOnlineMemberCountUpdated(const QVariantMap &receivedInformation);
     void processMessages(const QVariantMap &receivedInformation);
     void processUpdateNewMessage(const QVariantMap &receivedInformation);
+    void processMessage(const QVariantMap &receivedInformation);
 };
 
 #endif // TDLIBRECEIVER_H

src/tdlibwrapper.cpp

@@ -58,6 +58,7 @@ TDLibWrapper::TDLibWrapper(QObject *parent) : QObject(parent)
     connect(this->tdLibReceiver, SIGNAL(chatOnlineMemberCountUpdated(QString, int)), this, SLOT(handleChatOnlineMemberCountUpdated(QString, int)));
     connect(this->tdLibReceiver, SIGNAL(messagesReceived(QVariantList)), this, SLOT(handleMessagesReceived(QVariantList)));
     connect(this->tdLibReceiver, SIGNAL(newMessageReceived(QString, QVariantMap)), this, SLOT(handleNewMessageReceived(QString, QVariantMap)));
+    connect(this->tdLibReceiver, SIGNAL(messageInformation(QString, QVariantMap)), this, SLOT(handleMessageInformation(QString, QVariantMap)));
 
     this->tdLibReceiver->start();
 
@@ -200,6 +201,16 @@ void TDLibWrapper::sendTextMessage(const QString &chatId, const QString &message
     this->sendRequest(requestObject);
 }
 
+void TDLibWrapper::getMessage(const QString &chatId, const QString &messageId)
+{
+    qDebug() << "[TDLibWrapper] Retrieving message " << chatId << messageId;
+    QVariantMap requestObject;
+    requestObject.insert("@type", "getMessage");
+    requestObject.insert("chat_id", chatId);
+    requestObject.insert("message_id", messageId);
+    this->sendRequest(requestObject);
+}
+
 QVariantMap TDLibWrapper::getUserInformation()
 {
     return this->userInformation;
@@ -446,6 +457,11 @@ void TDLibWrapper::handleNewMessageReceived(const QString &chatId, const QVarian
     emit newMessageReceived(chatId, message);
 }
 
+void TDLibWrapper::handleMessageInformation(const QString &messageId, const QVariantMap &message)
+{
+    emit receivedMessage(messageId, message);
+}
+
 void TDLibWrapper::setInitialParameters()
 {
     qDebug() << "[TDLibWrapper] Sending initial parameters to TD Lib";

src/tdlibwrapper.h

@@ -81,6 +81,7 @@ public:
     Q_INVOKABLE void getChatHistory(const QString &chatId, const qlonglong &fromMessageId = 0, const int &offset = 0, const int &limit = 50, const bool &onlyLocal = false);
     Q_INVOKABLE void viewMessage(const QString &chatId, const QString &messageId);
     Q_INVOKABLE void sendTextMessage(const QString &chatId, const QString &message);
+    Q_INVOKABLE void getMessage(const QString &chatId, const QString &messageId);
 
 signals:
     void versionDetected(const QString &version);
@@ -103,6 +104,7 @@ signals:
     void newMessageReceived(const QString &chatId, const QVariantMap &message);
     void copyToDownloadsSuccessful(const QString &fileName, const QString &filePath);
     void copyToDownloadsError(const QString &fileName, const QString &filePath);
+    void receivedMessage(const QString &messageId, const QVariantMap &message);
 
 public slots:
     void handleVersionDetected(const QString &version);
@@ -123,6 +125,7 @@ public slots:
     void handleChatOnlineMemberCountUpdated(const QString &chatId, const int &onlineMemberCount);
     void handleMessagesReceived(const QVariantList &messages);
     void handleNewMessageReceived(const QString &chatId, const QVariantMap &message);
+    void handleMessageInformation(const QString &messageId, const QVariantMap &message);
 
 private:
     void *tdLibClient;