From 6090b453c337b318496879707aa09564536b035b Mon Sep 17 00:00:00 2001
From: Richard de Boer <git@tubul.net>
Date: Sun, 19 Jun 2022 20:00:18 +0200
Subject: [PATCH] ClockFace: don't erase widgets when using `draw`

If a clock specifies `draw` but not `update`, we create our own
`update`, but it should only erase the clock area, not the whole screen.
---
 modules/ClockFace.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/ClockFace.js b/modules/ClockFace.js
index f8dc33287..cd014887b 100644
--- a/modules/ClockFace.js
+++ b/modules/ClockFace.js
@@ -19,7 +19,7 @@ function ClockFace(options) {
     options.update.apply(this, [t, {d: true, h: true, m: true, s: true}]);
   });
   this.update = options.update || (t => {
-    g.clear();
+    g.clearRect(Bangle.appRect);
     options.draw.apply(this, [t, {d: true, h: true, m: true, s: true}]);
   });
   if (options.precision===1000||options.precision===60000) throw "ClockFace precision is in seconds, not ms";