From 7e8eeaf0a78ac7429babf03dd8915c9f9ad16e68 Mon Sep 17 00:00:00 2001
From: Bumsik Kim <kbumsik@gmail.com>
Date: Wed, 16 May 2018 07:57:11 -0400
Subject: [PATCH] Displays error when ARandR is not installed

---
 main.qml          | 2 +-
 qml/AppWindow.qml | 3 +++
 virtscreen.py     | 3 ++-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/main.qml b/main.qml
index fe261ca..fdf2925 100644
--- a/main.qml
+++ b/main.qml
@@ -146,7 +146,7 @@ Item {
                 text: ""
                 Component.onCompleted : {
                     backend.onError.connect(function(errMsg) {
-                        errorText.text = "";
+                        errorText.text = "";    // To trigger onTextChanged signal
                         errorText.text = errMsg;
                     });
                 }
diff --git a/qml/AppWindow.qml b/qml/AppWindow.qml
index 82931f1..00e0622 100644
--- a/qml/AppWindow.qml
+++ b/qml/AppWindow.qml
@@ -234,9 +234,12 @@ ApplicationWindow {
             anchors.fill: parent
             Text {
                 horizontalAlignment: Text.AlignHCenter
+                Layout.fillWidth: true
+                wrapMode: Text.WordWrap
                 text: errorText.text
                 onTextChanged: {
                     if (text) {
+                        busyDialog.close();
                         errorDialog.open();
                     }
                 }
diff --git a/virtscreen.py b/virtscreen.py
index 73d1629..2024393 100755
--- a/virtscreen.py
+++ b/virtscreen.py
@@ -562,7 +562,8 @@ class Backend(QObject):
             if not shutil.which(arg.split()[0]):
                 continue
             program.run(arg)
-            break            
+            return
+        self.onError.emit('Failed to find a display settings program. Please install ARandR package.')
 
     @pyqtSlot()
     def stopVNC(self, force=False):