➕ show version number and last time popped up

src/main.rs

@@ -11,6 +11,7 @@ use chrono::{
 use fltk::{
 	app,
 	button,
+	frame,
 	prelude::*,
 	text,
 	window::Window,
@@ -98,6 +99,7 @@ struct JournalLine {
 struct Gui {
 	time_popped_up: Option <DateTime <Local>>,
 	editor: text::TextEditor,
+	status: frame::Frame,
 	wind: Window,
 }
 
@@ -119,15 +121,31 @@ impl Gui {
 		let mut but = button::ReturnButton::new (640 - 100, 480 - 50, 100, 50, "Submit");
 		but.emit (fltk_tx, Message::Submit);
 		
+		let status = frame::Frame::new (0, 480 - 50, 640 - 100, 50, "");
+		
 		wind.set_label ("ANNOYING JOURNAL");
 		wind.end ();
 		wind.show ();
 		
-		Self {
+		let mut that = Self {
 			time_popped_up: Some (Local::now ()),
 			editor,
+			status,
 			wind,
-		}
+		};
+		
+		that.refresh_status ();
+		
+		that
+	}
+	
+	fn refresh_status (&mut self) {
+		let version = option_env! ("CARGO_PKG_VERSION").unwrap_or ("(???)");
+		let time_popped_up = self.time_popped_up
+		.map (|x| x.to_rfc3339_opts (SecondsFormat::Secs, true))
+		.unwrap_or_else (|| "(???)".to_string ());
+		
+		self.status.set_label (&format! ("v{}, popped up at {}", version, time_popped_up));
 	}
 	
 	fn pop_up (&mut self) -> Result <(), Error> {
@@ -137,6 +155,7 @@ impl Gui {
 		}
 		
 		self.time_popped_up = Some (Local::now ());
+		self.refresh_status ();
 		self.wind.set_label ("ANNOYING JOURNAL");
 		self.wind.show ();
 		self.editor.take_focus ()?;