From 7023d988829e4d1f37469e7c5edc94c29c2be7fb Mon Sep 17 00:00:00 2001
From: Matt Bierner <matb@microsoft.com>
Date: Wed, 28 Feb 2018 15:24:19 -0800
Subject: [PATCH] Fix double click to switch to editor

---
 extensions/markdown/media/main.js                 |  4 ++--
 .../markdown/src/features/previewManager.ts       | 15 +++++++++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/extensions/markdown/media/main.js b/extensions/markdown/media/main.js
index 012c444c3d7..998afcfe83c 100644
--- a/extensions/markdown/media/main.js
+++ b/extensions/markdown/media/main.js
@@ -296,7 +296,7 @@
 		const offset = event.pageY;
 		const line = getEditorLineNumberForPageOffset(offset);
 		if (!isNaN(line)) {
-			postCommand('_markdown.didClick', [settings.source, line]);
+			postMessage('didClick', { line });
 		}
 	});
 
@@ -334,7 +334,7 @@
 			} else {
 				const line = getEditorLineNumberForPageOffset(window.scrollY);
 				if (!isNaN(line)) {
-					postMessage('revealLine', { source: settings.source, line });
+					postMessage('revealLine', { line });
 				}
 			}
 		}, 50));
diff --git a/extensions/markdown/src/features/previewManager.ts b/extensions/markdown/src/features/previewManager.ts
index 60fc3e317ac..84a6c2a4c36 100644
--- a/extensions/markdown/src/features/previewManager.ts
+++ b/extensions/markdown/src/features/previewManager.ts
@@ -65,6 +65,10 @@ class MarkdownPreview {
 					this.onDidScrollPreview(e.body.line);
 					break;
 
+				case 'didClick':
+					this.onDidClickPreview(e.body.line);
+					break;
+
 			}
 		}, null, this.disposables);
 
@@ -269,6 +273,17 @@ class MarkdownPreview {
 				vscode.TextEditorRevealType.AtTop);
 		}
 	}
+
+	private async onDidClickPreview(line: number): Promise<void> {
+		for (const visibleEditor of vscode.window.visibleTextEditors) {
+			if (this.isPreviewOf(visibleEditor.document.uri)) {
+				const editor = await vscode.window.showTextDocument(visibleEditor.document, visibleEditor.viewColumn);
+				const position = new vscode.Position(line, 0);
+				editor.selection = new vscode.Selection(position, position);
+				return;
+			}
+		}
+	}
 }
 
 export interface PreviewSettings {
-- 
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