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2 changes: 2 additions & 0 deletions browser/components/MarkdownSplitEditor.js
Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,8 @@ class MarkdownSplitEditor extends React.Component {
}

handleScroll (e) {
if (!this.props.config.preview.scrollSync) return

const previewDoc = _.get(this, 'refs.preview.refs.root.contentWindow.document')
const codeDoc = _.get(this, 'refs.code.editor.doc')
let srcTop, srcHeight, targetTop, targetHeight
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1 change: 1 addition & 0 deletions browser/main/lib/ConfigManager.js
Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,7 @@ export const DEFAULT_CONFIG = {
latexBlockClose: '$$',
plantUMLServerAddress: 'http://www.plantuml.com/plantuml',
scrollPastEnd: false,
scrollSync: true,
smartQuotes: true,
breaks: true,
smartArrows: false,
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11 changes: 11 additions & 0 deletions browser/main/modals/PreferencesModal/UiTab.js
Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,7 @@ class UiTab extends React.Component {
latexBlockClose: this.refs.previewLatexBlockClose.value,
plantUMLServerAddress: this.refs.previewPlantUMLServerAddress.value,
scrollPastEnd: this.refs.previewScrollPastEnd.checked,
scrollSync: this.refs.previewScrollSync.checked,
smartQuotes: this.refs.previewSmartQuotes.checked,
breaks: this.refs.previewBreaks.checked,
smartArrows: this.refs.previewSmartArrows.checked,
Expand Down Expand Up @@ -561,6 +562,16 @@ class UiTab extends React.Component {
{i18n.__('Allow preview to scroll past the last line')}
</label>
</div>
<div styleName='group-checkBoxSection'>
<label>
<input onChange={(e) => this.handleUIChange(e)}
checked={this.state.config.preview.scrollSync}
ref='previewScrollSync'
type='checkbox'
/>&nbsp;
{i18n.__('When scrolling, synchronize preview with editor')}
</label>
</div>
<div styleName='group-checkBoxSection'>
<label>
<input onChange={(e) => this.handleUIChange(e)}
Expand Down