Fix 0-width fat cursor at EOL

alur · marijnh · commit 8a25b2379a5f · 2021-09-11T09:22:26.000+02:00
In particular the fat cursor would be invisible on empty lines.
diff --git a/src/display/selection.js b/src/display/selection.js
@@ -39,7 +39,9 @@ export function drawSelectionCursor(cm, head, output) {
 
   if (/\bcm-fat-cursor\b/.test(cm.getWrapperElement().className)) {
     let charPos = charCoords(cm, head, "div", null, null)
-    cursor.style.width = Math.max(0, charPos.right - charPos.left) + "px"
+    if (charPos.right - charPos.left > 0) {
+      cursor.style.width = (charPos.right - charPos.left) + "px"
+    }
   }
 
   if (pos.other) {

Original file line number	Diff line number	Diff line change
`@@ -39,7 +39,9 @@ export function drawSelectionCursor(cm, head, output) {`
`39`	`39`
`40`	`40`	`if (/\bcm-fat-cursor\b/.test(cm.getWrapperElement().className)) {`
`41`	`41`	`let charPos = charCoords(cm, head, "div", null, null)`
`42`		`- cursor.style.width = Math.max(0, charPos.right - charPos.left) + "px"`
	`42`	`+ if (charPos.right - charPos.left > 0) {`
	`43`	`+ cursor.style.width = (charPos.right - charPos.left) + "px"`
	`44`	`+ }`
`43`	`45`	`}`
`44`	`46`
`45`	`47`	`if (pos.other) {`