Attach close event to main window to catch unsaved files when exit

application.

mix/qml/MainContent.qml

@@ -175,7 +175,6 @@ Rectangle {
 					Layout.fillHeight: true
 					Connections {
 						target: projectModel.codeEditor
-
 					}
 				}
 

mix/qml/main.qml

@@ -17,6 +17,25 @@ ApplicationWindow {
 	minimumHeight: 300
 	title: qsTr("Mix")
 
+	Connections
+	{
+		target: mainApplication
+		onClosing:
+		{
+			mainApplication.close();
+			close.accepted = false;
+		}
+	}
+
+	function close()
+	{
+		projectModel.appIsClosing = true;
+		if (projectModel.projectPath !== "")
+			projectModel.closeProject(function() { Qt.quit(); })
+		else
+			Qt.quit();
+	}
+
 	menuBar: MenuBar {
 		Menu {
 			title: qsTr("File")
@@ -95,9 +114,7 @@ ApplicationWindow {
 		shortcut: "Ctrl+Q"
 		onTriggered:
 		{
-			projectModel.appIsClosing = true;
-			if (projectModel.projectPath !== "")
-				projectModel.closeProject(function() { Qt.quit(); })
+			mainApplication.close();
 		}
 	}