Some file info workarounds.

Use default font in emoji picker.

imports/Spectral/Component/Emoji/EmojiPicker.qml

@@ -42,12 +42,11 @@ ColumnLayout {
             width: 64
             height: 48
 
-            contentItem: Text {
+            contentItem: Label {
                 horizontalAlignment: Text.AlignHCenter
                 verticalAlignment: Text.AlignVCenter
 
                 font.pixelSize: 24
-                font.family: "Emoji"
                 text: label
             }
 
@@ -92,12 +91,11 @@ ColumnLayout {
             width: 48
             height: 48
 
-            contentItem: Text {
+            contentItem: Label {
                 horizontalAlignment: Text.AlignHCenter
                 verticalAlignment: Text.AlignVCenter
 
                 font.pixelSize: 32
-                font.family: "Emoji"
                 text: modelData.unicode
             }
 

src/spectralroom.cpp

@@ -9,6 +9,8 @@
 #include "events/typingevent.h"
 
 #include <QFileDialog>
+#include <QFileInfo>
+#include <QImageReader>
 #include <QMetaObject>
 #include <QMimeDatabase>
 
@@ -24,6 +26,20 @@ SpectralRoom::SpectralRoom(Connection* connection, QString roomId,
   connect(this, &Room::addedMessages, this, [=] { setBusy(false); });
 }
 
+inline QString getMIME(const QUrl& fileUrl) {
+  return QMimeDatabase().mimeTypeForFile(fileUrl.toLocalFile()).name();
+}
+
+inline QSize getImageSize(const QUrl& imageUrl) {
+  QImageReader reader(imageUrl.toLocalFile());
+  return reader.size();
+}
+
+inline int getFileSize(const QUrl& url) {
+  QFileInfo info(url.toLocalFile());
+  return int(info.size());
+}
+
 void SpectralRoom::chooseAndUploadFile() {
   auto localFile = QFileDialog::getOpenFileUrl(Q_NULLPTR, tr("Save File as"));
   if (!localFile.isEmpty()) {
@@ -53,18 +69,35 @@ void SpectralRoom::postFile(const QUrl& localFile, const QUrl& mxcUrl) {
   const QString mime = getMIME(localFile);
   const QString fileName = localFile.fileName();
   QString msgType = "m.file";
-  if (mime.startsWith("image")) msgType = "m.image";
-  if (mime.startsWith("video")) msgType = "m.video";
-  if (mime.startsWith("audio")) msgType = "m.audio";
-  QJsonObject json{QJsonObject{{"msgtype", msgType},
+  int fileSize = getFileSize(localFile);
+  QJsonObject json;
+  if (mime.startsWith("image")) {
+    msgType = "m.image";
+    QSize imageSize = getImageSize(localFile);
+    json = {{"msgtype", msgType},
             {"body", fileName},
             {"filename", fileName},
-                               {"url", mxcUrl.url()}}};
-  postJson("m.room.message", json);
+            {"url", mxcUrl.url()},
+            {"info", QJsonObject{{"h", imageSize.height()},
+                                 {"w", imageSize.width()},
+                                 {"size", fileSize},
+                                 {"mimetype", mime},
+                                 {"thumbnail_url", mxcUrl.url()},
+                                 {"thumbnail_info",
+                                  QJsonObject{{"h", imageSize.height()},
+                                              {"w", imageSize.width()},
+                                              {"size", fileSize},
+                                              {"mimetype", mime}}}}}};
+  } else {
+    if (mime.startsWith("video")) msgType = "m.video";
+    if (mime.startsWith("audio")) msgType = "m.audio";
+    json = {{"msgtype", msgType},
+            {"body", fileName},
+            {"filename", fileName},
+            {"url", mxcUrl.url()},
+            {"info", QJsonObject{{"size", fileSize}, {"mimetype", mime}}}};
   }
-
-QString SpectralRoom::getMIME(const QUrl& fileUrl) const {
-  return QMimeDatabase().mimeTypeForFile(fileUrl.toLocalFile()).name();
+  postJson("m.room.message", json);
 }
 
 void SpectralRoom::saveFileAs(QString eventId) {

src/spectralroom.h

@@ -108,7 +108,6 @@ class SpectralRoom : public Room {
 
   bool m_busy = false;
 
-  QString getMIME(const QUrl& fileUrl) const;
   void postFile(const QUrl& localFile, const QUrl& mxcUrl);
 
   void checkForHighlights(const QMatrixClient::TimelineItem& ti);