From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 5 Apr 2021 02:46:23 +0000 (+0100)
Subject: js: Disable drag-and-drop
X-Git-Tag: otter-0.5.0~183
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=bba34a576b87cf058b83188819c46f2ea7e4f267;p=otter.git

js: Disable drag-and-drop

Sometimes, but not always, I can trigger this; the card icon starts
floating about weirdly, the JS doesn't get a mouseup event, etc.,

Empirically this code seems enough to stop it.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/templates/script.ts b/templates/script.ts
index 5fafffde..4aae898c 100644
--- a/templates/script.ts
+++ b/templates/script.ts
@@ -1809,6 +1809,10 @@ function startup() {
   }
   recompute_keybindings();
   space.addEventListener('mousedown', some_mousedown);
+  space.addEventListener('dragstart', function (e) {
+    e.preventDefault();
+    e.stopPropagation();
+  }, true);
   document.addEventListener('keydown',   some_keydown);
 }