Adjust the range of selection within the Visual Studio Code document

Before running a command in an extension, I need to modify the selection range to include entire lines...

const sel = textEditor.selection;
const firstLine = textEditor.document.lineAt(sel.start.line);
const lastLine = textEditor.document.lineAt(sel.end.line);

const range = new vscode.Range(firstLine.lineNumber, firstLine.range.start.character, lastLine.lineNumber, lastLine.range.end.character);

I have successfully created a new range, but I am unsure of how to adjust the document's selection to this new range...

typescriptvisual-studio-codevscode-extensions

Answer №1

The Selection class offers 2 different versions with either 2 or 4 arguments:

  1. Selection(anchor: vscode.Position, active: vscode.Position)
  2. Selection(anchorLine: number, anchorCharacter: number, activeLine: number, activeCharacter: number)

For example, when using 4 arguments:

textEditor.selection = new vscode.Selection(firstLine.lineNumber, firstLine.range.start.character, 
lastLine.lineNumber, lastLine.range.end.character)

To create multiple cursors, you must utilize textEditor.selections

textEditor.selections = [
    new vscode.Selection(0, 0, 0, 10),
    new vscode.Selection(1, 0, 1, 10),
];

Answer №2

When I needed to register a command to adjust the cursor position, I implemented the following code:

let command = vscode.commands.registerTextEditorCommand('extension.mycommand', (editor) => {
  // Set cursor position to line 5, character 3
  editor.selection = new vscode.Selection(3, 5, 3, 5);
});
context.subscriptions.push(command);

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