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Bind livescrolling when done via scrollbars.

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This commit is contained in:
David Bolack
2024-08-24 00:47:06 -05:00
parent 695293333f
commit e27e61aaca
3 changed files with 83 additions and 27 deletions
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9
shared/naturalcrit/codeEditor/codeEditor.jsx
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@@ -7,6 +7,7 @@ const closeTag = require('./close-tag');
const autoCompleteEmoji = require('./autocompleteEmoji');
let CodeMirror;
let isScrolling;
if(typeof window !== 'undefined'){
CodeMirror = require('codemirror');
@@ -190,6 +191,14 @@ const CodeEditor = createClass({
// Note: codeMirror passes a copy of itself in this callback. cm === this.codeMirror. Either one works.
this.codeMirror.on('change', (cm)=>{this.props.onChange(cm.getValue());});
this.codeMirror.on('scroll', (cm)=>{
window.clearTimeout(isScrolling);
const props = this.props;
isScrolling = setTimeout(function() {
cm.setCursor({ line: cm.lineAtHeight(cm.getWrapperElement().getBoundingClientRect().top) + 1, ch: 0 });
props.onScroll(cm.lineAtHeight(cm.getWrapperElement().getBoundingClientRect().top));
}, 66);
});
this.updateSize();
},