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Fixes #46942: Cover case when the mouse target is the view line and the line is empty and has an inline decoration

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This commit is contained in:
Alex Dima 2018-04-09 12:06:12 +02:00
parent 150b85b2cd
commit 936d5d8a06
1 changed files with 17 additions and 0 deletions
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17
src/vs/editor/browser/controller/mouseTarget.ts
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@ -174,6 +174,14 @@ class ElementPath {
);
}
public static isStrictChildOfViewLines(path: Uint8Array): boolean {
return (
path.length > 4
&& path[0] === PartFingerprint.OverflowGuard
&& path[3] === PartFingerprint.ViewLines
);
}
public static isChildOfScrollableElement(path: Uint8Array): boolean {
return (
path.length >= 2
@ -621,6 +629,15 @@ export class MouseTargetFactory {
}
if (domHitTestExecuted) {
// Check if we are hitting a view-line (can happen in the case of inline decorations on empty lines)
// See https://github.com/Microsoft/vscode/issues/46942
if (ElementPath.isStrictChildOfViewLines(request.targetPath)) {
const lineNumber = ctx.getLineNumberAtVerticalOffset(request.mouseVerticalOffset);
if (ctx.model.getLineLength(lineNumber) === 0) {
return request.fulfill(MouseTargetType.CONTENT_EMPTY, new Position(lineNumber, 1), void 0, EMPTY_CONTENT_IN_LINES);
}
}
// We have already executed hit test...
return request.fulfill(MouseTargetType.UNKNOWN);
}