TextEditor: return all BaseTextEditor for a document

Change-Id: Iab483528357fdba1b7107130c19370974c03979c
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/languageclient/client.cpp

@@ -208,17 +208,6 @@ void Client::openDocument(Core::IDocument *document)
         connect(textDocument, &QObject::destroyed, this, [this, textDocument]{
             m_resetAssistProvider.remove(textDocument);
         });
-        if (BaseTextEditor *editor = BaseTextEditor::textEditorForDocument(textDocument)) {
-            if (QPointer<TextEditorWidget> widget = editor->editorWidget()) {
-                connect(widget, &TextEditorWidget::cursorPositionChanged, this, [this, widget](){
-                    // TODO This would better be a compressing timer
-                    QTimer::singleShot(50, this, [this, widget]() {
-                        if (widget)
-                            cursorPositionChanged(widget);
-                    });
-                });
-            }
-        }
     }
 
     m_openedDocument.append(document->filePath());
@@ -344,7 +333,7 @@ void Client::documentContentsChanged(Core::IDocument *document)
 
     if (textDocument) {
         using namespace TextEditor;
-        if (BaseTextEditor *editor = BaseTextEditor::textEditorForDocument(textDocument))
+        for (BaseTextEditor *editor : BaseTextEditor::textEditorsForDocument(textDocument))
             if (TextEditorWidget *widget = editor->editorWidget())
                 widget->setRefactorMarkers(RefactorMarker::filterOutType(widget->refactorMarkers(), id()));
         requestDocumentSymbols(textDocument);

src/plugins/languageclient/languageclientmanager.cpp

@@ -217,6 +217,18 @@ void LanguageClientManager::editorOpened(Core::IEditor *iEditor)
                     (const QTextCursor &cursor) {
                         findUsages(filePath, cursor);
                     });
+            connect(widget, &TextEditorWidget::cursorPositionChanged, this, [this, widget](){
+                        // TODO This would better be a compressing timer
+                        QTimer::singleShot(50, this,
+                                           [this, widget = QPointer<TextEditorWidget>(widget)]() {
+                            if (widget) {
+                                for (Client *client : this->reachableClients()) {
+                                    if (client->isSupportedDocument(widget->textDocument()))
+                                        client->cursorPositionChanged(widget);
+                                }
+                            }
+                        });
+                    });
         }
     }
 }

src/plugins/languageclient/languageclientutils.cpp

@@ -133,12 +133,10 @@ void updateCodeActionRefactoringMarker(Client *client,
     TextDocument* doc = TextDocument::textDocumentForFileName(uri.toFileName());
     if (!doc)
         return;
-    BaseTextEditor *editor = BaseTextEditor::textEditorForDocument(doc);
+    const QVector<BaseTextEditor *> editors = BaseTextEditor::textEditorsForDocument(doc);
-    if (!editor)
+    if (editors.isEmpty())
         return;
 
-    TextEditorWidget *editorWidget = editor->editorWidget();
-
     const QList<Diagnostic> &diagnostics = action.diagnostics().value_or(QList<Diagnostic>());
 
     RefactorMarkers markers;
@@ -181,7 +179,10 @@ void updateCodeActionRefactoringMarker(Client *client,
         marker.cursor = endOfLineCursor(diagnostic.range().start().toTextCursor(doc->document()));
         markers << marker;
     }
-    editorWidget->setRefactorMarkers(markers + editorWidget->refactorMarkers());
+    for (BaseTextEditor *editor : editors) {
+        if (TextEditorWidget *editorWidget = editor->editorWidget())
+            editorWidget->setRefactorMarkers(markers + editorWidget->refactorMarkers());
+    }
 }
 
 } // namespace LanguageClient

src/plugins/texteditor/texteditor.cpp

@@ -8512,13 +8512,14 @@ BaseTextEditor *BaseTextEditor::currentTextEditor()
     return qobject_cast<BaseTextEditor *>(EditorManager::currentEditor());
 }
 
-BaseTextEditor *BaseTextEditor::textEditorForDocument(TextDocument *textDocument)
+QVector<BaseTextEditor *> BaseTextEditor::textEditorsForDocument(TextDocument *textDocument)
 {
+    QVector<BaseTextEditor *> ret;
     for (IEditor *editor : Core::DocumentModel::editorsForDocument(textDocument)) {
         if (auto textEditor = qobject_cast<BaseTextEditor *>(editor))
-            return textEditor;
+            ret << textEditor;
     }
-    return nullptr;
+    return ret;
 }
 
 TextEditorWidget *BaseTextEditor::editorWidget() const

src/plugins/texteditor/texteditor.h

@@ -111,7 +111,7 @@ public:
     virtual void finalizeInitialization() {}
 
     static BaseTextEditor *currentTextEditor();
-    static BaseTextEditor *textEditorForDocument(TextDocument *textDocument);
+    static QVector<BaseTextEditor *> textEditorsForDocument(TextDocument *textDocument);
 
     TextEditorWidget *editorWidget() const;
     TextDocument *textDocument() const;