1 files changed, 52 insertions, 0 deletions
diff --git a/src/kernel/qobject.cpp b/src/kernel/qobject.cpp
index 403691e..d6be971 100644
--- a/src/kernel/qobject.cpp
+++ b/src/kernel/qobject.cpp
@@ -49,6 +49,9 @@
 #include "qucomextra_p.h"
 #include "qptrvector.h"
 
+// QStyleControlElementData
+#include "qstyle.h"
+
 #ifdef QT_THREAD_SUPPORT
 #include "qmutex.h"
 #include <private/qmutexpool_p.h>
@@ -58,6 +61,33 @@
 #include <ctype.h>
 #include <stdlib.h>
 
+// Keep in sync with duplicate definition in qcommonstyle.cpp
+class QStyleControlElementDataPrivate {
+	public:
+		bool isQPushButton;
+		bool isQToolButton;
+		bool isQButton;
+		bool isQTabBar;
+		bool isQTitleBar;
+		bool isQToolBox;
+		bool isQToolBar;
+		bool isQProgressBar;
+		bool isQPopupMenu;
+		bool isQComboBox;
+		bool isQCheckBox;
+		bool isQRadioButton;
+		bool isQHeader;
+		bool isQScrollBar;
+		bool isQSlider;
+		bool isQDialogButtons;
+		bool isQSpinWidget;
+		bool isQListView;
+		bool isQDockWindow;
+		bool isQTabWidget;
+		bool isQFrame;
+		bool isQWidget;
+};
+
 #ifndef QT_NO_USERDATA
 class QObjectPrivate : public QPtrVector<QObjectUserData>
 #else
@@ -70,14 +100,36 @@ public:
         ownThread = NULL;
         disableThreadPostedEvents = false;
         setAutoDelete( TRUE );
+        controlElementData = NULL;
+        controlElementDataPrivate = NULL;
+    }
+    ~QObjectPrivate() {
+        delete controlElementData;
+        delete controlElementDataPrivate;
     }
 #endif
     QThread* ownThread;
     QMutex* senderObjectListMutex;
     QMutex* childObjectListMutex;
     bool disableThreadPostedEvents;
+    QStyleControlElementData* controlElementData;
+    QStyleControlElementDataPrivate* controlElementDataPrivate;
 };
 
+QStyleControlElementData* QObject::controlElementDataObject() {
+	if (!d->controlElementData) {
+		d->controlElementData = new QStyleControlElementData();
+	}
+	return d->controlElementData;
+}
+
+QStyleControlElementDataPrivate* QObject::controlElementDataPrivateObject() {
+	if (!d->controlElementDataPrivate) {
+		d->controlElementDataPrivate = new QStyleControlElementDataPrivate();
+	}
+	return d->controlElementDataPrivate;
+}
+
 #if defined(QT_THREAD_SUPPORT)
 
 void QObject::moveToThread_helper(QThread *targetThread)