snippet - honor spread setting for $CLIPBAORD variable with multiple cursors

src/vs/editor/contrib/snippet/snippetSession.ts

@@ -23,6 +23,7 @@ import { registerThemingParticipant } from 'vs/platform/theme/common/themeServic
 import * as colors from 'vs/platform/theme/common/colorRegistry';
 import { withNullAsUndefined } from 'vs/base/common/types';
 import { ILabelService } from 'vs/platform/label/common/label';
+import { EditorOption } from 'vs/editor/common/config/editorOptions';
 
 registerThemingParticipant((theme, collector) => {
 
@@ -444,7 +445,7 @@ export class SnippetSession {
 
 			snippet.resolveVariables(new CompositeSnippetVariableResolver([
 				modelBasedVariableResolver,
-				new ClipboardBasedVariableResolver(clipboardText, idx, indexedSelections.length),
+				new ClipboardBasedVariableResolver(clipboardText, idx, indexedSelections.length, editor.getOption(EditorOption.multiCursorPaste) === 'spread'),
 				new SelectionBasedVariableResolver(model, selection),
 				new CommentBasedVariableResolver(model),
 				new TimeBasedVariableResolver,

src/vs/editor/contrib/snippet/snippetVariables.ts

@@ -169,7 +169,8 @@ export class ClipboardBasedVariableResolver implements VariableResolver {
 	constructor(
 		private readonly _clipboardText: string | undefined,
 		private readonly _selectionIdx: number,
-		private readonly _selectionCount: number
+		private readonly _selectionCount: number,
+		private readonly _spread: boolean
 	) {
 		//
 	}
@@ -183,12 +184,16 @@ export class ClipboardBasedVariableResolver implements VariableResolver {
 			return undefined;
 		}
 
-		const lines = this._clipboardText.split(/\r\n|\n|\r/).filter(s => !isFalsyOrWhitespace(s));
-		if (lines.length === this._selectionCount) {
-			return lines[this._selectionIdx];
-		} else {
-			return this._clipboardText;
+		// `spread` is assigning each cursor a line of the clipboard
+		// text whenever there the line count equals the cursor count
+		// and when enabled
+		if (this._spread) {
+			const lines = this._clipboardText.split(/\r\n|\n|\r/).filter(s => !isFalsyOrWhitespace(s));
+			if (lines.length === this._selectionCount) {
+				return lines[this._selectionIdx];
+			}
 		}
+		return this._clipboardText;
 	}
 }
 export class CommentBasedVariableResolver implements VariableResolver {

src/vs/editor/contrib/snippet/test/snippetVariables.test.ts

@@ -236,26 +236,28 @@ suite('Snippet Variables Resolver', function () {
 
 	test('Add variable to insert value from clipboard to a snippet #40153', function () {
 
-		assertVariableResolve(new ClipboardBasedVariableResolver(undefined, 1, 0), 'CLIPBOARD', undefined);
+		assertVariableResolve(new ClipboardBasedVariableResolver(undefined, 1, 0, true), 'CLIPBOARD', undefined);
 
-		assertVariableResolve(new ClipboardBasedVariableResolver(null!, 1, 0), 'CLIPBOARD', undefined);
+		assertVariableResolve(new ClipboardBasedVariableResolver(null!, 1, 0, true), 'CLIPBOARD', undefined);
 
-		assertVariableResolve(new ClipboardBasedVariableResolver('', 1, 0), 'CLIPBOARD', undefined);
+		assertVariableResolve(new ClipboardBasedVariableResolver('', 1, 0, true), 'CLIPBOARD', undefined);
 
-		assertVariableResolve(new ClipboardBasedVariableResolver('foo', 1, 0), 'CLIPBOARD', 'foo');
+		assertVariableResolve(new ClipboardBasedVariableResolver('foo', 1, 0, true), 'CLIPBOARD', 'foo');
 
-		assertVariableResolve(new ClipboardBasedVariableResolver('foo', 1, 0), 'foo', undefined);
-		assertVariableResolve(new ClipboardBasedVariableResolver('foo', 1, 0), 'cLIPBOARD', undefined);
+		assertVariableResolve(new ClipboardBasedVariableResolver('foo', 1, 0, true), 'foo', undefined);
+		assertVariableResolve(new ClipboardBasedVariableResolver('foo', 1, 0, true), 'cLIPBOARD', undefined);
 	});
 
 	test('Add variable to insert value from clipboard to a snippet #40153', function () {
 
-		assertVariableResolve(new ClipboardBasedVariableResolver('line1', 1, 2), 'CLIPBOARD', 'line1');
-		assertVariableResolve(new ClipboardBasedVariableResolver('line1\nline2\nline3', 1, 2), 'CLIPBOARD', 'line1\nline2\nline3');
+		assertVariableResolve(new ClipboardBasedVariableResolver('line1', 1, 2, true), 'CLIPBOARD', 'line1');
+		assertVariableResolve(new ClipboardBasedVariableResolver('line1\nline2\nline3', 1, 2, true), 'CLIPBOARD', 'line1\nline2\nline3');
 
-		assertVariableResolve(new ClipboardBasedVariableResolver('line1\nline2', 1, 2), 'CLIPBOARD', 'line2');
-		resolver = new ClipboardBasedVariableResolver('line1\nline2', 0, 2);
-		assertVariableResolve(new ClipboardBasedVariableResolver('line1\nline2', 0, 2), 'CLIPBOARD', 'line1');
+		assertVariableResolve(new ClipboardBasedVariableResolver('line1\nline2', 1, 2, true), 'CLIPBOARD', 'line2');
+		resolver = new ClipboardBasedVariableResolver('line1\nline2', 0, 2, true);
+		assertVariableResolve(new ClipboardBasedVariableResolver('line1\nline2', 0, 2, true), 'CLIPBOARD', 'line1');
+
+		assertVariableResolve(new ClipboardBasedVariableResolver('line1\nline2', 0, 2, false), 'CLIPBOARD', 'line1\nline2');
 	});