QmlJSInspector: Enable/Disable based on engine state

Change-Id: I078d12fb16fe61908e5b90ebf819c9fd9e8faae0
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/debugger/qml/qmlcppengine.cpp

@@ -130,6 +130,7 @@ QmlCppEngine::~QmlCppEngine()
 bool QmlCppEngine::setToolTipExpression(const QPoint & mousePos,
         TextEditor::ITextEditor *editor, const DebuggerToolTipContext &ctx)
 {
+    //FIXIT:: This is broken!!
     return d->m_activeEngine->setToolTipExpression(mousePos, editor, ctx);
 }
 

src/plugins/debugger/qml/qmlengine.h

@@ -57,7 +57,7 @@ namespace Internal {
 class QtMessageLogItem;
 class QmlEnginePrivate;
 
-class QmlEngine : public DebuggerEngine
+class DEBUGGER_EXPORT QmlEngine : public DebuggerEngine
 {
     Q_OBJECT
 

src/plugins/qmljsinspector/qmljsinspector.cpp

@@ -45,10 +45,9 @@
 #include <qmljs/parser/qmljsast_p.h>
 #include <qmljseditor/qmljseditorconstants.h>
 #include <qmljseditor/qmljseditor.h>
-#include <debugger/debuggerconstants.h>
 #include <debugger/debuggermainwindow.h>
 #include <debugger/debuggerplugin.h>
-#include <debugger/debuggerengine.h>
+#include <debugger/qml/qmlengine.h>
 #include <debugger/debuggerstartparameters.h>
 #include <debugger/qml/qmladapter.h>
 
@@ -137,7 +136,6 @@ InspectorUi::InspectorUi(QObject *parent)
     , m_propertyInspector(0)
     , m_settings(new InspectorSettings(this))
     , m_clientProxy(0)
-    , m_qmlEngine(0)
     , m_debugQuery(0)
     , m_selectionCallbackExpected(false)
     , m_cursorPositionChangedExternally(false)
@@ -169,23 +167,31 @@ void InspectorUi::restoreSettings()
     m_settings->restoreSettings(Core::ICore::settings());
 }
 
-void InspectorUi::setDebuggerEngine(QObject *qmlEngine)
+void InspectorUi::setDebuggerEngine(QObject *engine)
 {
-    if (m_qmlEngine && !qmlEngine) {
-        disconnect(m_qmlEngine, SIGNAL(tooltipRequested(QPoint,TextEditor::ITextEditor*,int)),
+    Debugger::Internal::QmlEngine *qmlEngine =
+            qobject_cast<Debugger::Internal::QmlEngine *>(engine);
+    QTC_ASSERT(qmlEngine, return);
+    Debugger::DebuggerEngine *masterEngine = qmlEngine;
+    if (qmlEngine->isSlaveEngine())
+        masterEngine = qmlEngine->masterEngine();
+
+    connect(qmlEngine, SIGNAL(tooltipRequested(QPoint,TextEditor::ITextEditor*,int)),
             this, SLOT(showDebuggerTooltip(QPoint,TextEditor::ITextEditor*,int)));
+    connect(masterEngine, SIGNAL(stateChanged(Debugger::DebuggerState)),
+            this, SLOT(onEngineStateChanged(Debugger::DebuggerState)));
 }
 
-    m_qmlEngine = qmlEngine;
-    if (m_qmlEngine) {
-        connect(m_qmlEngine, SIGNAL(tooltipRequested(QPoint,TextEditor::ITextEditor*,int)),
-                this, SLOT(showDebuggerTooltip(QPoint,TextEditor::ITextEditor*,int)));
-    }
-}
-
-QObject *InspectorUi::debuggerEngine() const
+void InspectorUi::onEngineStateChanged(Debugger::DebuggerState state)
 {
-    return m_qmlEngine;
+    bool enable = state == Debugger::InferiorRunOk;
+    if (enable)
+        m_toolBar->enable();
+    else
+        m_toolBar->disable();
+    m_crumblePath->setEnabled(enable);
+    m_propertyInspector->setContentsValid(enable);
+    m_propertyInspector->reset();
 }
 
 void InspectorUi::showDebuggerTooltip(const QPoint &mousePos, TextEditor::ITextEditor *editor,
@@ -342,7 +348,6 @@ void InspectorUi::disconnected()
     disconnectSignals();
     disable();
 
-    m_qmlEngine = 0;
     resetViews();
 
     applyChangesToQmlInspectorHelper(false);
@@ -355,7 +360,6 @@ void InspectorUi::disconnected()
     m_clientProxy = 0;
     m_propertyInspector->clear();
     m_pendingPreviewDocumentNames.clear();
-    setDebuggerEngine(0);
 }
 
 void InspectorUi::onRootContext(const QVariant &value)
@@ -399,6 +403,8 @@ void InspectorUi::updateEngineList()
 
 void InspectorUi::changeSelectedItems(const QList<QmlDebugObjectReference> &objects)
 {
+    if (!m_propertyInspector->contentsValid())
+        return;
     if (m_selectionCallbackExpected) {
         m_selectionCallbackExpected = false;
         return;

src/plugins/qmljsinspector/qmljsinspector.h

@@ -41,6 +41,8 @@
 #include <qmljs/qmljsdocument.h>
 #include <qmljs/parser/qmljsastfwd_p.h>
 
+#include <debugger/debuggerconstants.h>
+
 #include <QAction>
 #include <QObject>
 
@@ -100,7 +102,6 @@ public:
     void connected(ClientProxy *clientProxy);
     void disconnected();
     void setDebuggerEngine(QObject *qmlEngine);
-    QObject *debuggerEngine() const;
 
 signals:
     void statusMessage(const QString &text);
@@ -133,6 +134,7 @@ private slots:
 
     void updatePendingPreviewDocuments(QmlJS::Document::Ptr doc);
     void showDebuggerTooltip(const QPoint &mousePos, TextEditor::ITextEditor *editor, int cursorPos);
+    void onEngineStateChanged(Debugger::DebuggerState state);
 
 private:
     void showRoot();
@@ -161,7 +163,6 @@ private:
 
     InspectorSettings *m_settings;
     ClientProxy *m_clientProxy;
-    QObject *m_qmlEngine;
     quint32 m_debugQuery;
     quint32 m_showObjectQueryId;
     QList<quint32> m_updateObjectQueryIds;

src/plugins/qmljsinspector/qmljspropertyinspector.cpp

@@ -255,6 +255,30 @@ inline QString cleanPropertyValue(QString propertyValue)
     return propertyValue;
 }
 
+// *************************************************************************
+//  QmlJSPropertyInspectorModel
+// *************************************************************************
+QmlJSPropertyInspectorModel::QmlJSPropertyInspectorModel()
+    : QStandardItemModel()
+    , m_contentsValid(false)
+{
+}
+
+Qt::ItemFlags QmlJSPropertyInspectorModel::flags(const QModelIndex &index) const
+{
+    return m_contentsValid ? QStandardItemModel::flags(index) : Qt::ItemFlags();
+}
+
+void QmlJSPropertyInspectorModel::setContentsValid(bool contentsValid)
+{
+    m_contentsValid = contentsValid;
+}
+
+bool QmlJSPropertyInspectorModel::contentsValid() const
+{
+    return m_contentsValid;
+}
+
 QmlJSPropertyInspector::QmlJSPropertyInspector(QWidget *parent)
     : QTreeView(parent)
 {
@@ -285,6 +309,16 @@ void QmlJSPropertyInspector::clear()
     m_currentObjects.clear();
 }
 
+void QmlJSPropertyInspector::setContentsValid(bool contentsValid)
+{
+    m_model.setContentsValid(contentsValid);
+}
+
+bool QmlJSPropertyInspector::contentsValid() const
+{
+    return m_model.contentsValid();
+}
+
 void QmlJSPropertyInspector::setCurrentObjects(const QList<QmlDebugObjectReference> &objectList)
 {
     if (objectList.isEmpty())

src/plugins/qmljsinspector/qmljspropertyinspector.h

@@ -92,6 +92,21 @@ private:
     QmlEditorWidgets::CustomColorDialog *m_mainFrame;
 };
 
+class QmlJSPropertyInspectorModel : public QStandardItemModel
+{
+    Q_OBJECT
+public:
+    QmlJSPropertyInspectorModel();
+    void setContentsValid(bool contentsValid);
+    bool contentsValid() const;
+
+protected:
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+
+private:
+    bool m_contentsValid;
+};
+
 class QmlJSPropertyInspector : public QTreeView
 {
     Q_OBJECT
@@ -107,6 +122,8 @@ public:
 
     explicit QmlJSPropertyInspector(QWidget *parent = 0);
     void clear();
+    void setContentsValid(bool contentsValid);
+    bool contentsValid() const;
 
 signals:
     void changePropertyValue(int debugId, QString propertyName, QString valueExpression);
@@ -135,7 +152,7 @@ private:
 
     void contextMenuEvent(QContextMenuEvent *ev);
 
-    QStandardItemModel m_model;
+    QmlJSPropertyInspectorModel m_model;
     QList<int> m_currentObjects;
 };