Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Added multi-cursor support #24

Open
wants to merge 3 commits into
base: master
Choose a base branch
from
Open

Added multi-cursor support #24

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
40036d5
Support multiple cursors
ivan-kzn Apr 9, 2024
db9216f
fix spaces
ivan-kzn Apr 9, 2024
cf68a22
fix spaces
ivan-kzn Apr 9, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
93 changes: 58 additions & 35 deletions src/y-monaco.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,17 @@ class RelativeSelection {
}
}

class YTextSelection {
/**
* @param {Y.RelativePosition} anchor
* @param {Y.RelativePosition} head
*/
constructor (anchor, head) {
this.anchor = anchor
this.head = head
}
}

/**
* @param {monaco.editor.IStandaloneCodeEditor} editor
* @param {monaco.editor.ITextModel} monacoModel
Expand Down Expand Up @@ -95,31 +106,36 @@ export class MonacoBinding {
*/
const newDecorations = []
awareness.getStates().forEach((state, clientID) => {
if (clientID !== this.doc.clientID && state.selection != null && state.selection.anchor != null && state.selection.head != null) {
const anchorAbs = Y.createAbsolutePositionFromRelativePosition(state.selection.anchor, this.doc)
const headAbs = Y.createAbsolutePositionFromRelativePosition(state.selection.head, this.doc)
if (anchorAbs !== null && headAbs !== null && anchorAbs.type === ytext && headAbs.type === ytext) {
let start, end, afterContentClassName, beforeContentClassName
if (anchorAbs.index < headAbs.index) {
start = monacoModel.getPositionAt(anchorAbs.index)
end = monacoModel.getPositionAt(headAbs.index)
afterContentClassName = 'yRemoteSelectionHead yRemoteSelectionHead-' + clientID
beforeContentClassName = null
} else {
start = monacoModel.getPositionAt(headAbs.index)
end = monacoModel.getPositionAt(anchorAbs.index)
afterContentClassName = null
beforeContentClassName = 'yRemoteSelectionHead yRemoteSelectionHead-' + clientID
if (clientID !== this.doc.clientID && state.selections != null) {
state.selections.forEach((selection) => {
if (selection.anchor == null || selection.head == null) {
return
}
newDecorations.push({
range: new monaco.Range(start.lineNumber, start.column, end.lineNumber, end.column),
options: {
className: 'yRemoteSelection yRemoteSelection-' + clientID,
afterContentClassName,
beforeContentClassName
const anchorAbs = Y.createAbsolutePositionFromRelativePosition(selection.anchor, this.doc)
const headAbs = Y.createAbsolutePositionFromRelativePosition(selection.head, this.doc)
if (anchorAbs !== null && headAbs !== null && anchorAbs.type === ytext && headAbs.type === ytext) {
let start, end, afterContentClassName, beforeContentClassName
if (anchorAbs.index < headAbs.index) {
start = monacoModel.getPositionAt(anchorAbs.index)
end = monacoModel.getPositionAt(headAbs.index)
afterContentClassName = 'yRemoteSelectionHead yRemoteSelectionHead-' + clientID
beforeContentClassName = null
} else {
start = monacoModel.getPositionAt(headAbs.index)
end = monacoModel.getPositionAt(anchorAbs.index)
afterContentClassName = null
beforeContentClassName = 'yRemoteSelectionHead yRemoteSelectionHead-' + clientID
}
})
}
newDecorations.push({
range: new monaco.Range(start.lineNumber, start.column, end.lineNumber, end.column),
options: {
className: 'yRemoteSelection yRemoteSelection-' + clientID,
afterContentClassName,
beforeContentClassName
}
})
}
})
}
})
this._decorations.set(editor, editor.deltaDecorations(currentDecorations, newDecorations))
Expand Down Expand Up @@ -187,21 +203,28 @@ export class MonacoBinding {
editors.forEach(editor => {
editor.onDidChangeCursorSelection(() => {
if (editor.getModel() === monacoModel) {
const sel = editor.getSelection()
if (sel === null) {
const selections = editor.getSelections()
if (selections === null) {
return
}
let anchor = monacoModel.getOffsetAt(sel.getStartPosition())
let head = monacoModel.getOffsetAt(sel.getEndPosition())
if (sel.getDirection() === monaco.SelectionDirection.RTL) {
const tmp = anchor
anchor = head
head = tmp
}
awareness.setLocalStateField('selection', {
anchor: Y.createRelativePositionFromTypeIndex(ytext, anchor),
head: Y.createRelativePositionFromTypeIndex(ytext, head)
/**
* @type {Array<YTextSelection>}
*/
const ytextSelections = []
selections.forEach(sel => {
let anchor = monacoModel.getOffsetAt(sel.getStartPosition())
let head = monacoModel.getOffsetAt(sel.getEndPosition())
if (sel.getDirection() === monaco.SelectionDirection.RTL) {
const tmp = anchor
anchor = head
head = tmp
}
ytextSelections.push({
anchor: Y.createRelativePositionFromTypeIndex(ytext, anchor),
head: Y.createRelativePositionFromTypeIndex(ytext, head)
})
})
awareness.setLocalStateField('selections', ytextSelections)
}
})
awareness.on('change', this._rerenderDecorations)
Expand Down