Add drag and drop support.

imports/Spectral/Panel/RoomPanel.qml

@@ -23,6 +23,18 @@ Item {
         room: currentRoom
     }
 
+    DropArea {
+        anchors.fill: parent
+
+        enabled: currentRoom
+
+        onDropped: {
+            if (!drop.hasUrls) return
+
+            currentRoom.uploadFile(drop.urls[0])
+        }
+    }
+
     Column {
         anchors.centerIn: parent
 

src/spectralroom.cpp

@@ -47,32 +47,39 @@ inline QSize getImageSize(const QUrl& imageUrl) {
 void SpectralRoom::chooseAndUploadFile() {
   auto localFile = QFileDialog::getOpenFileUrl(Q_NULLPTR, tr("Save File as"));
   if (!localFile.isEmpty()) {
-    QString txnID = postFile(localFile.fileName(), localFile, false);
-    setHasFileUploading(true);
-    connect(this, &Room::fileTransferCompleted,
-            [=](QString id, QUrl localFile, QUrl mxcUrl) {
-              if (id == txnID) {
-                setFileUploadingProgress(0);
-                setHasFileUploading(false);
-              }
-            });
-    connect(this, &Room::fileTransferFailed, [=](QString id, QString error) {
-      if (id == txnID) {
-        setFileUploadingProgress(0);
-        setHasFileUploading(false);
-      }
-    });
-    connect(
-        this, &Room::fileTransferProgress,
-        [=](QString id, qint64 progress, qint64 total) {
-          if (id == txnID) {
-            qDebug() << "Progress:" << progress << total;
-            setFileUploadingProgress(int(float(progress) / float(total) * 100));
-          }
-        });
+    uploadFile(localFile);
   }
 }
 
+void SpectralRoom::uploadFile(const QUrl& url) {
+  if (url.isEmpty())
+    return;
+
+  QString txnID = postFile(url.fileName(), url, false);
+  setHasFileUploading(true);
+  connect(this, &Room::fileTransferCompleted,
+          [=](QString id, QUrl localFile, QUrl mxcUrl) {
+            if (id == txnID) {
+              setFileUploadingProgress(0);
+              setHasFileUploading(false);
+            }
+          });
+  connect(this, &Room::fileTransferFailed, [=](QString id, QString error) {
+    if (id == txnID) {
+      setFileUploadingProgress(0);
+      setHasFileUploading(false);
+    }
+  });
+  connect(
+      this, &Room::fileTransferProgress,
+      [=](QString id, qint64 progress, qint64 total) {
+        if (id == txnID) {
+          qDebug() << "Progress:" << progress << total;
+          setFileUploadingProgress(int(float(progress) / float(total) * 100));
+        }
+      });
+}
+
 void SpectralRoom::acceptInvitation() {
   connection()->joinRoom(id());
 }

src/spectralroom.h

@@ -255,6 +255,7 @@ class SpectralRoom : public Room {
 
  public slots:
   void chooseAndUploadFile();
+  void uploadFile(const QUrl& url);
   void acceptInvitation();
   void forget();
   void sendTypingNotification(bool isTyping);