@@ -144,6 +144,8 @@ class GitBlameInformationCache {
144144}
145145
146146export class GitBlameController {
147+ private readonly _subjectMaxLength = 50 ;
148+
147149 private readonly _onDidChangeBlameInformation = new EventEmitter < TextEditor > ( ) ;
148150 public readonly onDidChangeBlameInformation = this . _onDidChangeBlameInformation . event ;
149151
@@ -169,10 +171,14 @@ export class GitBlameController {
169171 }
170172
171173 formatBlameInformationMessage ( template : string , blameInformation : BlameInformation ) : string {
174+ const subject = blameInformation . subject && blameInformation . subject . length > this . _subjectMaxLength
175+ ? `${ blameInformation . subject . substring ( 0 , this . _subjectMaxLength ) }
176+ : blameInformation . subject ;
177+
172178 const templateTokens = {
173179 hash : blameInformation . hash ,
174180 hashShort : blameInformation . hash . substring ( 0 , 8 ) ,
175- subject : emojify ( blameInformation . subject ?? '' ) ,
181+ subject : emojify ( subject ?? '' ) ,
176182 authorName : blameInformation . authorName ?? '' ,
177183 authorEmail : blameInformation . authorEmail ?? '' ,
178184 authorDate : new Date ( blameInformation . authorDate ?? new Date ( ) ) . toLocaleString ( ) ,
@@ -421,6 +427,8 @@ class GitBlameEditorDecoration {
421427 this . _disposables . push ( this . _decorationType ) ;
422428
423429 workspace . onDidChangeConfiguration ( this . _onDidChangeConfiguration , this , this . _disposables ) ;
430+ window . onDidChangeActiveTextEditor ( this . _onDidChangeActiveTextEditor , this , this . _disposables ) ;
431+
424432 this . _controller . onDidChangeBlameInformation ( e => this . _updateDecorations ( e ) , this , this . _disposables ) ;
425433 }
426434
@@ -439,6 +447,18 @@ class GitBlameEditorDecoration {
439447 }
440448 }
441449
450+ private _onDidChangeActiveTextEditor ( ) : void {
451+ if ( ! this . _getConfiguration ( ) . enabled ) {
452+ return ;
453+ }
454+
455+ for ( const editor of window . visibleTextEditors ) {
456+ if ( editor !== window . activeTextEditor ) {
457+ editor . setDecorations ( this . _decorationType , [ ] ) ;
458+ }
459+ }
460+ }
461+
442462 private _getConfiguration ( ) : { enabled : boolean ; template : string } {
443463 const config = workspace . getConfiguration ( 'git' ) ;
444464 const enabled = config . get < boolean > ( 'blame.editorDecoration.enabled' , false ) ;
@@ -453,15 +473,6 @@ class GitBlameEditorDecoration {
453473 return ;
454474 }
455475
456- // Clear decorations for the other editors
457- for ( const editor of window . visibleTextEditors ) {
458- if ( editor === textEditor ) {
459- continue ;
460- }
461-
462- editor . setDecorations ( this . _decorationType , [ ] ) ;
463- }
464-
465476 // Only support resources with `file` and `git` schemes
466477 if ( textEditor . document . uri . scheme !== 'file' && ! isGitUri ( textEditor . document . uri ) ) {
467478 textEditor . setDecorations ( this . _decorationType , [ ] ) ;
@@ -543,9 +554,7 @@ class GitBlameStatusBarItem {
543554 return ;
544555 }
545556
546- if ( window . activeTextEditor ) {
547- this . _updateStatusBarItem ( window . activeTextEditor ) ;
548- } else {
557+ if ( ! window . activeTextEditor ) {
549558 this . _statusBarItem ?. hide ( ) ;
550559 }
551560 }
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