Fix line strike.

Fix code block wrapping.
Fix replyModel being garbage collected.
Reply message in RoomPanelInput is richtext now.

src/messageeventmodel.cpp

@@ -285,12 +285,11 @@ QVariant MessageEventModel::data(const QModelIndex& idx, int role) const {
   const auto& evt = isPending ? **pendingIt : **timelineIt;
 
   if (role == Qt::DisplayRole) {
-    return utils::cleanHTML(
-        utils::removeReply(m_currentRoom->eventToString(evt, Qt::RichText)));
+    return m_currentRoom->eventToString(evt, Qt::RichText);
   }
 
   if (role == MessageRole) {
-    return utils::removeReply(m_currentRoom->eventToString(evt));
+    return m_currentRoom->eventToString(evt);
   }
 
   if (role == Qt::ToolTipRole) {
@@ -443,8 +442,7 @@ QVariant MessageEventModel::data(const QModelIndex& idx, int role) const {
 
     return QVariantMap{
         {"eventId", replyEventId},
-        {"display", utils::cleanHTML(utils::removeReply(
-                        m_currentRoom->eventToString(replyEvt, Qt::RichText)))},
+        {"display", m_currentRoom->eventToString(replyEvt, Qt::RichText)},
         {"author",
          QVariant::fromValue(m_currentRoom->user(replyEvt.senderId()))}};
   }

src/spectralroom.cpp

@@ -118,7 +118,7 @@ QString SpectralRoom::lastEvent() const {
 
     return user(evt->senderId())->displayname() +
            (evt->isStateEvent() ? " " : ": ") +
-           utils::removeReply(eventToString(*evt));
+           eventToString(*evt);
   }
   return "";
 }
@@ -230,18 +230,27 @@ QString SpectralRoom::avatarMediaId() const {
 }
 
 QString SpectralRoom::eventToString(const RoomEvent& evt,
-                                    Qt::TextFormat format) const {
+                                    Qt::TextFormat format, bool removeReply) const {
   const bool prettyPrint = (format == Qt::RichText);
 
   using namespace QMatrixClient;
   return visit(
       evt,
-      [prettyPrint](const RoomMessageEvent& e) {
+      [prettyPrint, removeReply](const RoomMessageEvent& e) {
         using namespace MessageEventContent;
 
         if (prettyPrint && e.hasTextContent() &&
-            e.mimeType().name() != "text/plain")
-          return static_cast<const TextContent*>(e.content())->body;
+                e.mimeType().name() != "text/plain") {
+          auto htmlBody = static_cast<const TextContent*>(e.content())->body;
+          if (removeReply) {
+              htmlBody.remove(utils::removeRichReplyRegex);
+          }
+          htmlBody.replace(utils::userPillRegExp, "<b>\\1</b>");
+          htmlBody.replace(utils::strikethroughRegExp, "<s>\\1</s>");
+          htmlBody.push_front("<style>pre {white-space: pre-wrap}</style>");
+          return htmlBody;
+        }
+
         if (e.hasFileContent()) {
           auto fileCaption =
               e.content()->fileInfo()->originalName.toHtmlEscaped();
@@ -252,8 +261,18 @@ QString SpectralRoom::eventToString(const RoomEvent& evt,
           }
           return !fileCaption.isEmpty() ? fileCaption : tr("a file");
         }
-        return prettyPrint ? QMatrixClient::prettyPrint(e.plainBody())
-                           : e.plainBody();
+
+        if (prettyPrint) {
+            auto plainBody = e.plainBody();
+            if (removeReply) {
+                return plainBody.remove(utils::removeReplyRegex);
+            }
+            return QMatrixClient::prettyPrint(plainBody);
+        }
+        if (removeReply) {
+            return e.plainBody().remove(utils::removeReplyRegex);
+        }
+        return e.plainBody();
       },
       [this](const RoomMemberEvent& e) {
         // FIXME: Rewind to the name that was at the time of this event
@@ -478,7 +497,7 @@ void SpectralRoom::postPlainMessage(const QString& text,
              replyEventId +
              "\">In reply to</a> <a href=\"https://matrix.to/#/" +
              replyEvt.senderId() + "\">" + replyEvt.senderId() + "</a><br>" +
-             utils::removeReply(eventToString(replyEvt, Qt::RichText)) +
+             eventToString(replyEvt, Qt::RichText) +
              "</blockquote></mx-reply>" + text.toHtmlEscaped()}};
     postJson("m.room.message", json);
 
@@ -513,7 +532,7 @@ void SpectralRoom::postHtmlMessage(const QString& text,
              replyEventId +
              "\">In reply to</a> <a href=\"https://matrix.to/#/" +
              replyEvt.senderId() + "\">" + replyEvt.senderId() + "</a><br>" +
-             utils::removeReply(eventToString(replyEvt, Qt::RichText)) +
+             eventToString(replyEvt, Qt::RichText) +
              "</blockquote></mx-reply>" + html}};
     postJson("m.room.message", json);
 

src/spectralroom.h

@@ -70,7 +70,7 @@ class SpectralRoom : public Room {
   QString avatarMediaId() const;
 
   QString eventToString(const RoomEvent& evt,
-                        Qt::TextFormat format = Qt::PlainText) const;
+                        Qt::TextFormat format = Qt::PlainText, bool removeReply = true) const;
 
  private:
   QString m_cachedInput;

src/utils.cpp

@@ -1,15 +1 @@
 #include "utils.h"
-
-QString utils::removeReply(const QString& text) {
-  QString result(text);
-  result.remove(utils::removeRichReplyRegex);
-  result.remove(utils::removeReplyRegex);
-  return result;
-}
-
-QString utils::cleanHTML(const QString& text) {
-  QString result(text);
-  result.replace(codePillRegExp, "<i>\\1</i>");
-  result.replace(userPillRegExp, "<b>\\1</b>");
-  return result;
-}

src/utils.h

@@ -19,13 +19,12 @@ static const QRegularExpression removeReplyRegex{
 static const QRegularExpression removeRichReplyRegex{
     "<mx-reply>.*?</mx-reply>", QRegularExpression::DotMatchesEverythingOption};
 static const QRegularExpression codePillRegExp{
-    "<pre>(.*?)</pre>", QRegularExpression::DotMatchesEverythingOption};
+    "<pre><code[^>]*>(.*?)</code></pre>", QRegularExpression::DotMatchesEverythingOption};
 static const QRegularExpression userPillRegExp{
     "<a href=\"https://matrix.to/#/@.*?:.*?\">(.*?)</a>",
     QRegularExpression::DotMatchesEverythingOption};
-
-QString removeReply(const QString& text);
-QString cleanHTML(const QString& text);
+static const QRegularExpression strikethroughRegExp{
+    "<del>(.*?)</del>", QRegularExpression::DotMatchesEverythingOption};
 }  // namespace utils
 
 #endif