debugger: make memory view updatable

Still some flickering and no marks which parts changed.

src/plugins/debugger/debuggerengine.cpp

@@ -520,14 +520,17 @@ void DebuggerEngine::gotoLocation(const QString &file, int line, bool setMarker)
 
     d->doRemoveLocationMark();
 
-    bool newEditor = false;
-    ITextEditor *editor =
-        BaseTextEditor::openEditorAt(file, line, 0, QString(),
-            EditorManager::IgnoreNavigationHistory, &newEditor);
-    if (!editor)
-        return;
-    if (newEditor)
-        editor->setProperty(Constants::OPENED_BY_DEBUGGER, true);
+    EditorManager *editorManager = EditorManager::instance();
+    QList<IEditor *> editors = editorManager->editorsForFileName(file);
+    if (editors.isEmpty()) {
+        editors.append(editorManager->openEditor(file, QString(),
+            EditorManager::IgnoreNavigationHistory));
+        editors.back()->setProperty(Constants::OPENED_BY_DEBUGGER, true);
+    }
+    ITextEditor *texteditor = qobject_cast<ITextEditor *>(editors.back());
+    if (texteditor)
+        texteditor->gotoLine(line, 0);
+
     if (setMarker)
         d->m_locationMark.reset(new LocationMark(file, line));
 }

src/plugins/debugger/memoryagent.cpp

@@ -84,6 +84,7 @@ void MemoryAgent::createBinEditor(quint64 addr)
     IEditor *editor = editorManager->openEditorWithContents(
         Core::Constants::K_DEFAULT_BINARY_EDITOR_ID,
         &titlePattern);
+    editorManager->activateEditor(editor);
     if (editor) {
         editor->setProperty(Debugger::Constants::OPENED_BY_DEBUGGER, true);
         editor->setProperty(Debugger::Constants::OPENED_WITH_MEMORY, true);
@@ -126,7 +127,6 @@ void MemoryAgent::addLazyData(QObject *editorToken, quint64 addr,
 {
     IEditor *editor = qobject_cast<IEditor *>(editorToken);
     if (editor && editor->widget()) {
-        Core::EditorManager::instance()->activateEditor(editor);
         QMetaObject::invokeMethod(editor->widget(), "addLazyData",
             Q_ARG(quint64, addr / BinBlockSize), Q_ARG(QByteArray, ba));
     }