Add readme

README.md

@@ -0,0 +1,8 @@
+# Jade GUI
+
+The libadwaita/gtk based gui installer using jade as the backend
+
+[![Please do not theme this app](https://stopthemingmy.app/badge.svg)](https://stopthemingmy.app) 
+
+![](placeholder)
+

src/window.js

@@ -28,8 +28,24 @@ export const JadeGuiWindow = GObject.registerClass({
     _init(application) {
         super._init({ application });
         this._quitButton.connect('clicked', () => {
-            log('Quit!');
+            confirm_quit();
         });
     }
 });
 
+function confirm_quit() {
+    const quitDialog = new Gtk.MessageDialog({
+    text: "Do you want to try\nCrystal without installing?",
+    transient_for: JadeGuiWindow,
+    modal: true,
+    buttons: Gtk.ButtonsType.Ok,
+  });
+
+  quitDialog.connect("response", () => {
+    quitDialog.close();
+  });
+
+  quitDialog.present();
+
+}
+