QmlProjectManager: Avoid use of RunControl::runConfiguration()

The RunConfiguration might change and even die after the runcontrol
starts.

Change-Id: I628f3ae26c21fb41388b6104497ce5a6a6704c8a
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/plugins/qmlpreview/qmlpreviewplugin.cpp

@@ -449,11 +449,6 @@ void QmlPreviewPluginPrivate::setDirty()
 void QmlPreviewPluginPrivate::addPreview(ProjectExplorer::RunControl *preview)
 {
     m_runningPreviews.append(preview);
-    if (auto multiLanguageAspect =
-            preview->runConfiguration()->aspect<QmlProjectManager::QmlMultiLanguageAspect>()) {
-        connect(multiLanguageAspect, &QmlProjectManager::QmlMultiLanguageAspect::changed,
-                preview, &ProjectExplorer::RunControl::initiateStop);
-    }
     emit q->runningPreviewsChanged(m_runningPreviews);
 }
 

src/plugins/qmlprojectmanager/qmlmultilanguageaspect.cpp

@@ -30,6 +30,7 @@
 
 #include <projectexplorer/project.h>
 #include <projectexplorer/projectexplorer.h>
+#include <projectexplorer/runcontrol.h>
 #include <projectexplorer/session.h>
 #include <projectexplorer/target.h>
 
@@ -81,6 +82,16 @@ QmlMultiLanguageAspect::QmlMultiLanguageAspect(ProjectExplorer::Target *target)
     setDefaultValue(!databaseFilePath().isEmpty());
     QVariantMap getDefaultValues;
     fromMap(getDefaultValues);
+
+    addDataExtractor(this, &QmlMultiLanguageAspect::origin, &Data::origin);
+
+    connect(this, &BoolAspect::changed, this, [this, target] {
+        for (ProjectExplorer::RunControl *runControl :
+                ProjectExplorer::ProjectExplorerPlugin::allRunControls()) {
+            if (runControl->aspect<QmlMultiLanguageAspect>()->origin == this)
+                runControl->initiateStop();
+        }
+    });
 }
 
 QmlMultiLanguageAspect::~QmlMultiLanguageAspect()

src/plugins/qmlprojectmanager/qmlmultilanguageaspect.h

@@ -50,10 +50,17 @@ public:
     static QmlMultiLanguageAspect *current(ProjectExplorer::Project *project);
     static QmlMultiLanguageAspect *current(ProjectExplorer::Target *target);
 
+    struct Data : BaseAspect::Data
+    {
+        const void *origin = nullptr;
+    };
+
 signals:
     void currentLocaleChanged(const QString &locale);
 
 private:
+    const void *origin() const { return this; }
+
     ProjectExplorer::Target *m_target = nullptr;
     mutable Utils::FilePath m_databaseFilePath;
     QString m_currentLocale;