examples: cleanup examples/term.ui/event_viewer.v

examples/term.ui/event_viewer.v

@@ -5,10 +5,15 @@ mut:
 	tui &tui.Context = unsafe { nil }
 }
 
-fn event(e &tui.Event, mut app App) {
+fn (mut app App) show_header() {
 	app.tui.clear()
 	app.tui.set_cursor_position(0, 0)
 	app.tui.write('V term.input event viewer (press `esc` to exit)\n\n')
+	app.tui.flush()
+}
+
+fn event(e &tui.Event, mut app App) {
+	app.show_header()
 	app.tui.write('${e}')
 	app.tui.write('\n\nRaw event bytes: "${e.utf8.bytes().hex()}" = ${e.utf8.bytes()}')
 	if !e.modifiers.is_empty() {
@@ -24,8 +29,8 @@ fn event(e &tui.Event, mut app App) {
 		}
 	}
 	app.tui.flush()
-
 	if e.typ == .key_down && e.code == .escape {
+		println('\nGood bye.')
 		exit(0)
 	}
 }
@@ -43,6 +48,6 @@ fn main() {
 		frame_rate:           60
 		use_alternate_buffer: false
 	)
-	println('V term.ui event viewer (press `esc` to exit)\n\n')
+	app.show_header()
 	app.tui.run()!
 }