From 99ffa88657ee9081c3e9035fdc57fea93517da04 Mon Sep 17 00:00:00 2001
From: "Brian J. Tarricone" <brian@tarricone.org>
Date: Sat, 14 May 2022 18:19:11 -0700
Subject: [PATCH] Add "auth failed" message to unlock dialog

---
 dialog-gtk3/src/main.rs | 39 +++++++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

diff --git a/dialog-gtk3/src/main.rs b/dialog-gtk3/src/main.rs
index 3706e8a..38f38fb 100644
--- a/dialog-gtk3/src/main.rs
+++ b/dialog-gtk3/src/main.rs
@@ -25,6 +25,8 @@ fn main() -> anyhow::Result<()> {
 
     gtk::init()?;
 
+    let (tx, rx) = glib::MainContext::sync_channel(glib::PRIORITY_DEFAULT, 1);
+
     let top_sg = gtk::SizeGroup::builder()
         .mode(gtk::SizeGroupMode::Horizontal)
         .build();
@@ -143,7 +145,31 @@ fn main() -> anyhow::Result<()> {
     vbox.pack_start(&label, false, false, 0);
     glib::timeout_add_seconds_local(1, move || {
         set_time_label(&label);
-        glib::source::Continue(true)
+        glib::Continue(true)
+    });
+
+    let attrs = gtk::pango::AttrList::new();
+    attrs.insert(gtk::pango::AttrFloat::new_scale(gtk::pango::SCALE_XX_LARGE));
+    let mut bold_desc = gtk::pango::FontDescription::new();
+    bold_desc.set_weight(gtk::pango::Weight::Bold);
+    attrs.insert(gtk::pango::AttrFontDesc::new(&bold_desc));
+    let auth_failed_label = gtk::Label::builder()
+        .label("Authentication Failed!")
+        .xalign(0.5)
+        .yalign(0.5)
+        .attributes(&attrs)
+        .opacity(0.0)
+        .build();
+    vbox.pack_start(&auth_failed_label, false, false, 0);
+
+    rx.attach(None, move |exit_status| {
+        if exit_status != 0 {
+            auth_failed_label.set_opacity(1.0);
+            glib::timeout_add_seconds_local_once(2, move || exit(exit_status));
+        } else {
+            exit(exit_status);
+        }
+        glib::Continue(true)
     });
 
     let sep = gtk::Separator::builder()
@@ -243,11 +269,12 @@ fn main() -> anyhow::Result<()> {
             let username = username.clone();
             let password = password_box.text().to_string();
 
+            let tx = tx.clone();
             thread::spawn(move || {
-                if authenticate(&username, &password) {
-                    exit(0);
-                } else {
-                    exit(-1);
+                let status = if authenticate(&username, &password) { 0 } else { -1 };
+                if let Err(err) = tx.send(status) {
+                    error!("Failed to send exit status to main thread: {}", err);
+                    exit(2);
                 }
             });
         });
@@ -268,7 +295,7 @@ fn main() -> anyhow::Result<()> {
     {
         let timer = Rc::clone(&timer);
         let delta = (DIALOG_UPDATE_INTERVAL.as_millis() as f64) / (DIALOG_TIMEOUT.as_millis() as f64);
-        gtk::glib::source::timeout_add_local(DIALOG_UPDATE_INTERVAL, move || {
+        glib::timeout_add_local(DIALOG_UPDATE_INTERVAL, move || {
             let new_fraction = timer.fraction() - delta;
             if new_fraction <= 0.0 {
                 exit(1);