Qt Designer integration: Fix Help button in stylesheet editor.

Wire QDesignerIntegration's help signal to help manager.

Task-number: QTCREATORBUG-1505
Reviewed-by: kh <qtc-committer@nokia.com>

src/plugins/designer/formeditorw.cpp

@@ -281,6 +281,15 @@ void FormEditorW::fullInit()
     initDesignerSubWindows();
     m_integration = new QtCreatorIntegration(m_formeditor, this);
     m_formeditor->setIntegration(m_integration);
+    // Connect Qt Designer help request to HelpManager.
+    // TODO: Use Core::HelpManager once it has been introduced.
+    foreach(QObject *object, ExtensionSystem::PluginManager::instance()->allObjects()) {
+        if (!qstrcmp(object->metaObject()->className(), "Help::HelpManager")) {
+            connect(m_integration, SIGNAL(creatorHelpRequested(QString)),
+                    object, SLOT(handleHelpRequest(QString)));
+            break;
+        }
+    }
 
     /**
      * This will initialize our TabOrder, Signals and slots and Buddy editors.

src/plugins/designer/qtcreatorintegration.cpp

@@ -94,6 +94,14 @@ QtCreatorIntegration::QtCreatorIntegration(QDesignerFormEditorInterface *core, F
     setSlotNavigationEnabled(true);
     connect(this, SIGNAL(navigateToSlot(QString, QString, QStringList)),
             this, SLOT(slotNavigateToSlot(QString, QString, QStringList)));
+    connect(this, SIGNAL(helpRequested(QString,QString)),
+            this, SLOT(slotDesignerHelpRequested(QString,QString)));
+}
+
+void QtCreatorIntegration::slotDesignerHelpRequested(const QString &manual, const QString &document)
+{
+    // Pass on as URL.
+    emit creatorHelpRequested(QString::fromLatin1("qthelp://com.trolltech.%1/qdoc/%2").arg(manual, document));
 }
 
 void QtCreatorIntegration::updateSelection()

src/plugins/designer/qtcreatorintegration.h

@@ -46,12 +46,18 @@ public:
 
     QWidget *containerWindow(QWidget *widget) const;
 
-    bool supportsToSlotNavigation() { return true; };
+    bool supportsToSlotNavigation() { return true; }
+
+signals:
+    void creatorHelpRequested(const QString &url);
 
 public slots:
     void updateSelection();
+
 private slots:
     void slotNavigateToSlot(const QString &objectName, const QString &signalSignature, const QStringList &parameterNames);
+    void slotDesignerHelpRequested(const QString &manual, const QString &document);
+
 private:
     bool navigateToSlot(const QString &objectName,
                         const QString &signalSignature,

src/plugins/help/helpmanager.h

@@ -57,8 +57,6 @@ public:
     void setupGuiHelpEngine();
     bool guiEngineNeedsUpdate() const;
 
-    void handleHelpRequest(const QString &url);
-
     void verifyDocumenation();
     void registerDocumentation(const QStringList &fileNames);
     void unregisterDocumentation(const QStringList &nameSpaces);
@@ -69,6 +67,9 @@ public:
 
     static BookmarkManager& bookmarkManager();
 
+public slots:
+    void handleHelpRequest(const QString &url);
+
 signals:
     void helpRequested(const QUrl &url);