Fixes #58.

Also, use shift+return for line break.

qml/form/RoomForm.qml

@@ -366,9 +366,10 @@ Item {
                         ToolTip.visible: currentRoom && currentRoom.hasUsersTyping
                         ToolTip.text: currentRoom ? currentRoom.usersTyping : ""
 
-                        Shortcut {
+                        Keys.onReturnPressed: {
-                            sequence: "Ctrl+Return"
+                            if (event.modifiers & Qt.ShiftModifier) {
-                            onActivated: {
+                                inputField.insert(inputField.cursorPosition, "\n")
+                            } else {
                                 inputField.postMessage(inputField.text)
                                 inputField.text = ""
                             }

qml/main.qml

@@ -40,7 +40,8 @@ ApplicationWindow {
         }
         onHideWindow: window.hide()
         onErrorOccured: {
-            errorLabel.text = error
+            errorDialog.error = error
+            errorDialog.detail = detail
             errorDialog.open()
         }
     }
@@ -51,14 +52,16 @@ ApplicationWindow {
     }
 
     Dialog {
+        property string error
+        property string detail
+
         x: (window.width - width) / 2
         y: (window.height - height) / 2
 
         id: errorDialog
-        title: "Error"
+
-        contentItem: Label {
+        title: error + " Error"
-            id: errorLabel
+        contentItem: Label { text: errorDialog.detail  }
-        }
     }
 
     Component {

src/controller.cpp

@@ -74,7 +74,7 @@ void Controller::loginWithCredentials(QString serverAddr, QString user,
       addConnection(m_connection);
     });
     connect(m_connection, &Connection::loginError, [=] (QString error, QByteArray detail) {
-        emit errorOccured(error);
+        emit errorOccured("Login", error);
     });
   }
 }
@@ -161,7 +161,7 @@ bool Controller::saveAccessToken(const AccountSettings& account,
   auto fileDir = QFileInfo(accountTokenFile).dir();
   if (!((fileDir.exists() || fileDir.mkpath(".")) &&
         accountTokenFile.open(QFile::WriteOnly))) {
-    emit errorOccured("Cannot save access token.");
+    emit errorOccured("Token", "Cannot save access token.");
   } else {
     accountTokenFile.write(accessToken);
     return true;

src/controller.h

@@ -66,7 +66,7 @@ class Controller : public QObject {
 
  signals:
   void busyChanged();
-  void errorOccured(QString error);
+  void errorOccured(QString error, QString detail);
   void showWindow();
   void hideWindow();
   void connectionAdded(Connection* conn);