From f0c51a5f87736ce07f5f371b46f044a81d3c976a Mon Sep 17 00:00:00 2001
From: David Gerber <dg@zapek.com>
Date: Sat, 5 Aug 2023 10:01:56 +0200
Subject: [PATCH] Show an error message if there's no camera during QR code
 scan

---
 .run/XeresApplication.run.xml                          |  2 +-
 .../ui/controller/qrcode/CameraWindowController.java   | 10 +++++++++-
 ui/src/main/resources/view/qrcode/camera.fxml          |  2 ++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/.run/XeresApplication.run.xml b/.run/XeresApplication.run.xml
index 290279d7d..a89a594a1 100644
--- a/.run/XeresApplication.run.xml
+++ b/.run/XeresApplication.run.xml
@@ -1,7 +1,7 @@
 <component name="ProjectRunConfigurationManager">
     <configuration default="false" name="XeresApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" nameIsGenerated="true">
         <option name="ACTIVE_PROFILES" value="dev"/>
-        <module name="io.xeres.Xeres.app.main"/>
+        <module name="Xeres.app.main"/>
         <option name="PROGRAM_PARAMETERS" value="--fast-shutdown"/>
         <option name="SPRING_BOOT_MAIN_CLASS" value="io.xeres.app.XeresApplication"/>
         <option name="VM_PARAMETERS" value="-ea -Djava.net.preferIPv4Stack=true -Dfile.encoding=UTF-8"/>
diff --git a/ui/src/main/java/io/xeres/ui/controller/qrcode/CameraWindowController.java b/ui/src/main/java/io/xeres/ui/controller/qrcode/CameraWindowController.java
index c08449fa4..3573a5928 100644
--- a/ui/src/main/java/io/xeres/ui/controller/qrcode/CameraWindowController.java
+++ b/ui/src/main/java/io/xeres/ui/controller/qrcode/CameraWindowController.java
@@ -33,6 +33,7 @@
 import javafx.concurrent.Task;
 import javafx.embed.swing.SwingFXUtils;
 import javafx.fxml.FXML;
+import javafx.scene.control.Label;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import net.rgielen.fxweaver.core.FxmlView;
@@ -53,6 +54,9 @@ public class CameraWindowController implements WindowController
 	@FXML
 	private ImageView capturedImage;
 
+	@FXML
+	private Label error;
+
 	private boolean stopCamera;
 	private AddRsIdWindowController parentController;
 	private final ObjectProperty<Image> imageProperty = new SimpleObjectProperty<>();
@@ -68,7 +72,11 @@ public void initialize() throws IOException
 		{
 			initializeCamera(camera);
 		}
-		// XXX: no camera found
+		else
+		{
+			error.setText("No camera has been detected");
+			error.setVisible(true);
+		}
 	}
 
 	@Override
diff --git a/ui/src/main/resources/view/qrcode/camera.fxml b/ui/src/main/resources/view/qrcode/camera.fxml
index 55ccc9134..cff34c99e 100644
--- a/ui/src/main/resources/view/qrcode/camera.fxml
+++ b/ui/src/main/resources/view/qrcode/camera.fxml
@@ -19,8 +19,10 @@
   ~ along with Xeres.  If not, see <http://www.gnu.org/licenses/>.
   -->
 
+<?import javafx.scene.control.Label?>
 <?import javafx.scene.image.ImageView?>
 <?import javafx.scene.layout.VBox?>
 <VBox alignment="CENTER" prefWidth="640" prefHeight="480" xmlns="http://javafx.com/javafx/17.0.2-ea" xmlns:fx="http://javafx.com/fxml/1" fx:controller="io.xeres.ui.controller.qrcode.CameraWindowController">
     <ImageView fx:id="capturedImage" fitWidth="640" fitHeight="480" pickOnBounds="true" preserveRatio="true"/>
+    <Label fx:id="error" visible="false"/>
 </VBox>
\ No newline at end of file