Initial support for sending markdown formatted messages

fixes #283

4 files changed, 52 insertions, 7 deletions

diff --git a/src/Utils.cpp b/src/Utils.cpp

index 40039179..5d5508b6 100644
--- a/src/Utils.cpp
+++ b/src/Utils.cpp
@@ -3,10 +3,12 @@
 #include <QApplication>
 #include <QDesktopWidget>
 #include <QSettings>
+#include <QTextDocument>
 #include <QXmlStreamReader>
 #include <cmath>
 
 #include <boost/variant.hpp>
+#include <maddy/parser.h>
 
 #include "Config.h"
 
@@ -327,3 +329,24 @@ utils::linkifyMessage(const QString &body)
 
         return textString;
 }
+
+std::string
+utils::markdownToHtml(const std::string &text)
+{
+        std::stringstream markdownInput(text);
+        auto parser = std::make_shared<maddy::Parser>();
+
+        return parser->Parse(markdownInput);
+}
+
+std::string
+utils::markdownToHtml(const QString &text)
+{
+        return markdownToHtml(text.toStdString());
+}
+
+std::string
+utils::stripHtml(const std::string &text)
+{
+        return QString::fromStdString(text).remove(QRegExp("<[^>]*>")).toStdString();
+}
diff --git a/src/Utils.h b/src/Utils.h

index 62af310b..2ac6d41b 100644
--- a/src/Utils.h
+++ b/src/Utils.h
@@ -215,4 +215,15 @@ getMessageBody(const RoomMessageT &event)
 //! Replace raw URLs in text with HTML link tags.
 QString
 linkifyMessage(const QString &body);
+
+//! Convert the input markdown text to html.
+std::string
+markdownToHtml(const QString &text);
+
+std::string
+markdownToHtml(const std::string &text);
+
+//! Return the plain text version of an html document.
+std::string
+stripHtml(const std::string &text);
 }
diff --git a/src/timeline/TimelineItem.cpp b/src/timeline/TimelineItem.cpp

index 267dea15..8e0401a8 100644
--- a/src/timeline/TimelineItem.cpp
+++ b/src/timeline/TimelineItem.cpp
@@ -265,16 +265,16 @@ TimelineItem::TimelineItem(mtx::events::MessageType ty,
         auto timestamp   = QDateTime::currentDateTime();
 
         if (ty == mtx::events::MessageType::Emote) {
-                body            = QString("* %1 %2").arg(displayName).arg(body);
+                body            = QString("%1 %2").arg(displayName).arg(body);
                 descriptionMsg_ = {"", userid, body, utils::descriptiveTime(timestamp), timestamp};
         } else {
                 descriptionMsg_ = {
                   "You: ", userid, body, utils::descriptiveTime(timestamp), timestamp};
         }
 
-        body = body.toHtmlEscaped();
-        body.replace(conf::strings::url_regex, conf::strings::url_html);
-        body.replace("\n", "<br/>");
+        body = QString::fromStdString(utils::markdownToHtml(body));
+        body = utils::linkifyMessage(body);
+
         generateTimestamp(timestamp);
 
         if (withSender) {
@@ -489,7 +489,7 @@ TimelineItem::TimelineItem(const mtx::events::RoomEvent<mtx::events::msg::Emote>
 
         auto timestamp   = QDateTime::fromMSecsSinceEpoch(event.origin_server_ts);
         auto displayName = Cache::displayName(room_id_, sender);
-        auto emoteMsg    = QString("* %1 %2").arg(displayName).arg(formatted_body);
+        auto emoteMsg    = QString("%1 %2").arg(displayName).arg(formatted_body);
 
         descriptionMsg_ = {"", sender, emoteMsg, utils::descriptiveTime(timestamp), timestamp};
 
diff --git a/src/timeline/TimelineView.cpp b/src/timeline/TimelineView.cpp

index bf828a8e..d09f5d5f 100644
--- a/src/timeline/TimelineView.cpp
+++ b/src/timeline/TimelineView.cpp
@@ -1233,8 +1233,12 @@ template<>
 mtx::events::msg::Emote
 toRoomMessage<mtx::events::msg::Emote>(const PendingMessage &m)
 {
+        auto html = utils::markdownToHtml(m.body);
+
         mtx::events::msg::Emote emote;
-        emote.body = m.body.toStdString();
+        emote.body           = utils::stripHtml(html);
+        emote.formatted_body = html;
+
         return emote;
 }
 
@@ -1254,8 +1258,15 @@ template<>
 mtx::events::msg::Text
 toRoomMessage<mtx::events::msg::Text>(const PendingMessage &m)
 {
+        auto html = utils::markdownToHtml(m.body);
+
         mtx::events::msg::Text text;
-        text.body = m.body.toStdString();
+        text.body           = utils::stripHtml(html);
+        text.formatted_body = html;
+
+        std::cout << "body: " << text.body << std::endl;
+        std::cout << "formatted_body: " << text.formatted_body << std::endl;
+
         return text;
 }