Init rich reply.

imports/Spectral/Component/Timeline/MessageDelegate.qml

@@ -93,12 +93,77 @@ ColumnLayout {
                 }
             }
 
-            contentItem: TextEdit {
+            contentItem: ColumnLayout {
+                Control {
+                    Layout.fillWidth: true
+
+                    visible: replyEventId || ""
+
+                    background: MouseArea {
+                        onClicked: goToEvent(replyEventId)
+                    }
+
+                    contentItem: RowLayout {
+                        spacing: 4
+
+                        Rectangle {
+                            Layout.preferredWidth: 2
+                            Layout.fillHeight: true
+
+                            color: "white"
+                        }
+
+                        ColumnLayout {
+                            Layout.fillWidth: true
+
+                            spacing: 0
+
+                            Control {
+                                padding: 4
+
+                                contentItem: RowLayout {
+                                    spacing: 4
+
+                                    ImageItem {
+                                        Layout.preferredWidth: 16
+                                        Layout.preferredHeight: 16
+
+                                        source: replyAuthor ? replyAuthor.paintable : null
+                                    }
+
+                                    Label {
+                                        color: "white"
+                                        text: replyAuthor ? replyAuthor.displayName : ""
+                                    }
+                                }
+
+                                background: Rectangle {
+                                    color: "black"
+                                    opacity: 0.2
+                                    radius: height / 2
+                                }
+                            }
+
+                            Label {
+                                Layout.fillWidth: true
+
+                                text: "<style>a{color: white;} .user-pill{}</style>" + (replyDisplay ? replyDisplay.replace(/<mx-reply>.*<\/mx-reply>/g, "") : "")
+
+                                color: "white"
+
+                                wrapMode: Label.Wrap
+                                textFormat: Label.RichText
+                            }
+                        }
+                    }
+                }
+
+                TextEdit {
                     Layout.fillWidth: true
 
                     id: contentLabel
 
-                text: "<style>a{color: white;} .user-pill{}</style>" + display
+                    text: "<style>a{color: white;} .user-pill{}</style>" + (replyEventId ? display.replace(/<mx-reply>.*<\/mx-reply>/g, "") : display)
 
                     color: "white"
 
@@ -132,3 +197,4 @@ ColumnLayout {
             }
         }
     }
+}

src/messageeventmodel.cpp

@@ -39,6 +39,9 @@ QHash<int, QByteArray> MessageEventModel::roleNames() const {
   roles[LongOperationRole] = "progressInfo";
   roles[AnnotationRole] = "annotation";
   roles[EventResolvedTypeRole] = "eventResolvedType";
+  roles[ReplyEventIdRole] = "replyEventId";
+  roles[ReplyAuthorRole] = "replyAuthor";
+  roles[ReplyDisplayRole] = "replyDisplay";
   roles[UserMarkerRole] = "userMarker";
   return roles;
 }
@@ -372,6 +375,28 @@ QVariant MessageEventModel::data(const QModelIndex &idx, int role) const {
     return variantList;
   }
 
+  if (role == ReplyEventIdRole || role == ReplyDisplayRole ||
+      role == ReplyAuthorRole) {
+    const QString &replyEventId = evt.contentJson()["m.relates_to"]
+                                      .toObject()["m.in_reply_to"]
+                                      .toObject()["event_id"]
+                                      .toString();
+    if (replyEventId.isEmpty()) return {};
+    const auto replyIt = m_currentRoom->findInTimeline(replyEventId);
+    if (replyIt == m_currentRoom->timelineEdge()) return {};
+    const auto& replyEvt = **replyIt;
+    switch (role) {
+      case ReplyEventIdRole:
+        return replyEventId;
+      case ReplyDisplayRole:
+        return utils::eventToString(replyEvt, m_currentRoom, Qt::RichText);
+      case ReplyAuthorRole:
+        return QVariant::fromValue(
+            m_currentRoom->user(replyEvt.senderId()));
+    }
+    return {};
+  }
+
   if (role == AboveEventTypeRole || role == AboveSectionRole ||
       role == AboveAuthorRole || role == AboveTimeRole)
     for (auto r = row + 1; r < rowCount(); ++r) {

src/messageeventmodel.h

@@ -30,6 +30,9 @@ class MessageEventModel : public QAbstractListModel {
     LongOperationRole,
     AnnotationRole,
     UserMarkerRole,
+    ReplyEventIdRole,
+    ReplyAuthorRole,
+    ReplyDisplayRole,
     // For debugging
     EventResolvedTypeRole,
   };