Automated update from Qt3

1 files changed, 205 insertions, 109 deletions

diff --git a/src/styles/qcommonstyle.cpp b/src/styles/qcommonstyle.cpp
index a1ede1ad2..17d94e4d5 100644
--- a/src/styles/qcommonstyle.cpp
+++ b/src/styles/qcommonstyle.cpp
@@ -147,6 +147,7 @@ static TQString TQButton_static_string("TQButton");
 static TQString TQTabBar_static_string("TQTabBar");
 static TQString TQTitleBar_static_string("TQTitleBar");
 static TQString TQToolBox_static_string("TQToolBox");
+static TQString TQToolBar_static_string("TQToolBar");
 static TQString TQProgressBar_static_string("TQProgressBar");
 static TQString TQPopupMenu_static_string("TQPopupMenu");
 static TQString TQComboBox_static_string("TQComboBox");
@@ -159,17 +160,48 @@ static TQString TQDialogButtons_static_string("TQDialogButtons");
 static TQString TQSpinWidget_static_string("TQSpinWidget");
 static TQString TQListView_static_string("TQListView");
 static TQString TQDockWindow_static_string("TQDockWindow");
+static TQString TQTabWidget_static_string("TQTabWidget");
 static TQString TQFrame_static_string("TQFrame");
+static TQString TQWidget_static_string("TQWidget");
+
+static TQStyleControlElementData* TQStyleControlElementData_null = NULL;
 
 #include <ntqmetaobject.h>
 
+// Keep in sync with duplicate definition in qobject.cpp
+class TQStyleControlElementDataPrivate {
+	public:
+		bool isTQPushButton;
+		bool isTQToolButton;
+		bool isTQButton;
+		bool isTQTabBar;
+		bool isTQTitleBar;
+		bool isTQToolBox;
+		bool isTQToolBar;
+		bool isTQProgressBar;
+		bool isTQPopupMenu;
+		bool isTQComboBox;
+		bool isTQCheckBox;
+		bool isTQRadioButton;
+		bool isTQHeader;
+		bool isTQScrollBar;
+		bool isTQSlider;
+		bool isTQDialogButtons;
+		bool isTQSpinWidget;
+		bool isTQListView;
+		bool isTQDockWindow;
+		bool isTQTabWidget;
+		bool isTQFrame;
+		bool isTQWidget;
+};
+
 TQStringList getObjectTypeListForObject(const TQObject* object) {
 	TQStringList objectTypes;
 
 	if (object) {
 		TQMetaObject* objectMetaObject = object->metaObject();
 		const char* name;
-	
+
 		while (objectMetaObject) {
 			name = objectMetaObject->className();
 			objectTypes.append(TQString(name));
@@ -180,12 +212,54 @@ TQStringList getObjectTypeListForObject(const TQObject* object) {
 	return objectTypes;
 }
 
-TQStyle::ControlElementFlags getControlElementFlagsForObject(const TQObject* object, TQStringList objectTypeList, const TQStyleOption& opt, bool populateReliantFields) {
+void determineObjectTypes(const TQObject* object, TQStyleControlElementData &ceData, TQStyleControlElementDataPrivate* ceDataPrivate) {
+	ceData.widgetObjectTypes = getObjectTypeListForObject(object);
+
+	// Increase speed on repeated calls by checking object types here and caching them
+	ceDataPrivate->isTQPushButton = ceData.widgetObjectTypes.containsYesNo(TQPushButton_static_string);
+	ceDataPrivate->isTQToolButton = ceData.widgetObjectTypes.containsYesNo(TQToolButton_static_string);
+	ceDataPrivate->isTQButton = ceData.widgetObjectTypes.containsYesNo(TQButton_static_string);
+	ceDataPrivate->isTQTabBar = ceData.widgetObjectTypes.containsYesNo(TQTabBar_static_string);
+	ceDataPrivate->isTQTitleBar = ceData.widgetObjectTypes.containsYesNo(TQTitleBar_static_string);
+	ceDataPrivate->isTQToolBox = ceData.widgetObjectTypes.containsYesNo(TQToolBox_static_string);
+	ceDataPrivate->isTQToolBar = ceData.widgetObjectTypes.containsYesNo(TQToolBar_static_string);
+	ceDataPrivate->isTQProgressBar = ceData.widgetObjectTypes.containsYesNo(TQProgressBar_static_string);
+	ceDataPrivate->isTQPopupMenu = ceData.widgetObjectTypes.containsYesNo(TQPopupMenu_static_string);
+	ceDataPrivate->isTQComboBox = ceData.widgetObjectTypes.containsYesNo(TQComboBox_static_string);
+	ceDataPrivate->isTQCheckBox = ceData.widgetObjectTypes.containsYesNo(TQCheckBox_static_string);
+	ceDataPrivate->isTQRadioButton = ceData.widgetObjectTypes.containsYesNo(TQRadioButton_static_string);
+	ceDataPrivate->isTQHeader = ceData.widgetObjectTypes.containsYesNo(TQHeader_static_string);
+	ceDataPrivate->isTQScrollBar = ceData.widgetObjectTypes.containsYesNo(TQScrollBar_static_string);
+	ceDataPrivate->isTQSlider = ceData.widgetObjectTypes.containsYesNo(TQSlider_static_string);
+	ceDataPrivate->isTQDialogButtons = ceData.widgetObjectTypes.containsYesNo(TQDialogButtons_static_string);
+	ceDataPrivate->isTQSpinWidget = ceData.widgetObjectTypes.containsYesNo(TQSpinWidget_static_string);
+	ceDataPrivate->isTQListView = ceData.widgetObjectTypes.containsYesNo(TQListView_static_string);
+	ceDataPrivate->isTQDockWindow = ceData.widgetObjectTypes.containsYesNo(TQDockWindow_static_string);
+	ceDataPrivate->isTQTabWidget = ceData.widgetObjectTypes.containsYesNo(TQTabWidget_static_string);
+	ceDataPrivate->isTQFrame = ceData.widgetObjectTypes.containsYesNo(TQFrame_static_string);
+	ceDataPrivate->isTQWidget = ceData.widgetObjectTypes.containsYesNo(TQWidget_static_string);
+}
+
+void updateObjectTypeListIfNeeded(const TQObject* object) {
+	TQStyleControlElementData &ceData = *(const_cast<TQObject*>(object)->controlElementDataObject());
+	TQStyleControlElementDataPrivate* ceDataPrivate = const_cast<TQObject*>(object)->controlElementDataPrivateObject();
+
+	// This is much faster than (ceData.widgetObjectTypes[0] != TQString(object->metaObject()->className())) due to TQString constructor/destructor overhead
+	// Casting to const also increases speed by preventing unneeded calls to detach()
+	if ((ceData.widgetObjectTypes.isEmpty()) || (strcmp(const_cast<const TQStringList&>(ceData.widgetObjectTypes)[0].ascii(), object->metaObject()->className()) != 0)) {
+		determineObjectTypes(object, ceData, ceDataPrivate);
+	}
+}
+
+TQStyle::ControlElementFlags getControlElementFlagsForObject(const TQObject* object, const TQStyleOption& opt, bool populateReliantFields) {
 	TQStyle::ControlElementFlags cef = TQStyle::CEF_None;
 
 	if (object) {
-		if (objectTypeList.contains(TQPushButton_static_string)) {
-			const TQPushButton *button = dynamic_cast<const TQPushButton*>(object);
+		TQStyleControlElementDataPrivate* ceDataPrivate = const_cast<TQObject*>(object)->controlElementDataPrivateObject();
+		updateObjectTypeListIfNeeded(object);
+
+		if (ceDataPrivate->isTQPushButton) {
+			const TQPushButton *button = static_cast<const TQPushButton*>(object);
 			if (button) {
 				if (button->isDefault())			cef = cef | TQStyle::CEF_IsDefault;
 				if (button->autoDefault())			cef = cef | TQStyle::CEF_AutoDefault;
@@ -194,8 +268,8 @@ TQStyle::ControlElementFlags getControlElementFlagsForObject(const TQObject* obj
 				if (button->isFlat())				cef = cef | TQStyle::CEF_IsFlat;
 			}
 		}
-		if (objectTypeList.contains(TQToolButton_static_string)) {
-			const TQToolButton *button = dynamic_cast<const TQToolButton*>(object);
+		if (ceDataPrivate->isTQToolButton) {
+			const TQToolButton *button = static_cast<const TQToolButton*>(object);
 			if (button) {
 				if (button->isToggleButton())			cef = cef | TQStyle::CEF_BiState;
 				if (button->usesTextLabel())			cef = cef | TQStyle::CEF_UsesTextLabel;
@@ -203,65 +277,67 @@ TQStyle::ControlElementFlags getControlElementFlagsForObject(const TQObject* obj
 				if (button->popup())				cef = cef | TQStyle::CEF_HasPopupMenu;
 			}
 		}
-		if (objectTypeList.contains(TQButton_static_string)) {
-			const TQButton *button = dynamic_cast<const TQButton*>(object);
+		if (ceDataPrivate->isTQButton) {
+			const TQButton *button = static_cast<const TQButton*>(object);
 			if (button) {
 				if (button->isDown())				cef = cef | TQStyle::CEF_IsDown;
 				if (button->isOn())				cef = cef | TQStyle::CEF_IsOn;
 				if (button->isToggleButton())			cef = cef | TQStyle::CEF_BiState;
 			}
 		}
-		if (objectTypeList.contains(TQTabBar_static_string)) {
-			const TQTabBar *tb = dynamic_cast<const TQTabBar*>(object);
+		if (ceDataPrivate->isTQTabBar) {
+			const TQTabBar *tb = static_cast<const TQTabBar*>(object);
 			TQTab * t = opt.tab();
 			if ((t) && (tb)) {
 				if (t->identifier() == tb->currentTab())	cef = cef | TQStyle::CEF_IsActive;
 			}
 		}
-		if (objectTypeList.contains(TQTitleBar_static_string)) {
-			const TQTitleBar *tb = dynamic_cast<const TQTitleBar*>(object);
+		if (ceDataPrivate->isTQTitleBar) {
+			const TQTitleBar *tb = static_cast<const TQTitleBar*>(object);
 			if (tb) {
 				if (tb->isActive())				cef = cef | TQStyle::CEF_IsActive;
 			}
 		}
-		if (objectTypeList.contains(TQToolBox_static_string)) {
-			const TQToolBox *tb = dynamic_cast<const TQToolBox*>(object);
+		if (ceDataPrivate->isTQToolBox) {
+			const TQToolBox *tb = static_cast<const TQToolBox*>(object);
 			if (tb) {
 				if (!tb->currentItem())				cef = cef | TQStyle::CEF_IsContainerEmpty;
 			}
 		}
-		if (objectTypeList.contains(TQProgressBar_static_string)) {
-			const TQProgressBar *pb = dynamic_cast<const TQProgressBar*>(object);
+		if (ceDataPrivate->isTQProgressBar) {
+			const TQProgressBar *pb = static_cast<const TQProgressBar*>(object);
 			if (pb) {
 				if (pb->centerIndicator())			cef = cef | TQStyle::CEF_CenterIndicator;
 				if (pb->indicatorFollowsStyle())		cef = cef | TQStyle::CEF_IndicatorFollowsStyle;
 			}
 		}
-		if (objectTypeList.contains(TQPopupMenu_static_string)) {
-			const TQPopupMenu *pm = dynamic_cast<const TQPopupMenu*>(object);
+		if (ceDataPrivate->isTQPopupMenu) {
+			const TQPopupMenu *pm = static_cast<const TQPopupMenu*>(object);
 			if (pm) {
 				if (pm->isCheckable())				cef = cef | TQStyle::CEF_IsCheckable;
 			}
 		}
-		if (objectTypeList.contains(TQComboBox_static_string)) {
-			const TQComboBox *cb = dynamic_cast<const TQComboBox*>(object);
+		if (ceDataPrivate->isTQComboBox) {
+			const TQComboBox *cb = static_cast<const TQComboBox*>(object);
 			if (cb) {
 				if (cb->editable())				cef = cef | TQStyle::CEF_IsEditable;
 			}
 		}
 		// Generic flags
-		const TQWidget* widget = dynamic_cast<const TQWidget*>(object);
-		if (widget) {
-			if (widget->isEnabled())				cef = cef | TQStyle::CEF_IsEnabled;
-			if (widget->parentWidget())				cef = cef | TQStyle::CEF_HasParentWidget;
-			if (widget->focusProxy())				cef = cef | TQStyle::CEF_HasFocusProxy;
-			if (widget->hasFocus())					cef = cef | TQStyle::CEF_HasFocus;
-			if (widget->hasMouse())					cef = cef | TQStyle::CEF_HasMouse;
-			if (populateReliantFields) {
-				if (widget->isActiveWindow())			cef = cef | TQStyle::CEF_IsActiveWindow;
-				if (widget->isTopLevel())			cef = cef | TQStyle::CEF_IsTopLevel;
-				if (widget->isVisible())			cef = cef | TQStyle::CEF_IsVisible;
-				if (widget->isShown())				cef = cef | TQStyle::CEF_IsShown;
+		if (ceDataPrivate->isTQWidget) {
+			const TQWidget* widget = static_cast<const TQWidget*>(object);
+			if (widget) {
+				if (widget->isEnabled())				cef = cef | TQStyle::CEF_IsEnabled;
+				if (widget->parentWidget())				cef = cef | TQStyle::CEF_HasParentWidget;
+				if (widget->focusProxy())				cef = cef | TQStyle::CEF_HasFocusProxy;
+				if (widget->hasFocus())					cef = cef | TQStyle::CEF_HasFocus;
+				if (widget->hasMouse())					cef = cef | TQStyle::CEF_HasMouse;
+				if (populateReliantFields) {
+					if (widget->isActiveWindow())			cef = cef | TQStyle::CEF_IsActiveWindow;
+					if (widget->isTopLevel())			cef = cef | TQStyle::CEF_IsTopLevel;
+					if (widget->isVisible())			cef = cef | TQStyle::CEF_IsVisible;
+					if (widget->isShown())				cef = cef | TQStyle::CEF_IsShown;
+				}
 			}
 		}
 	}
@@ -272,16 +348,18 @@ TQStyle::ControlElementFlags getControlElementFlagsForObject(const TQObject* obj
 	return cef;
 }
 
-TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* widget, const TQStyleOption& opt, bool populateReliantFields) {
+const TQStyleControlElementData &populateControlElementDataFromWidget(const TQWidget* widget, const TQStyleOption& opt, bool populateReliantFields) {
 	return populateControlElementDataFromWidget(widget, opt, populateReliantFields, false);
 }
 
-TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* widget, const TQStyleOption& opt, bool populateReliantFields, bool populateMinimumNumberOfFields) {
-	TQStyleControlElementData ceData;
-
+const TQStyleControlElementData &populateControlElementDataFromWidget(const TQWidget* widget, const TQStyleOption& opt, bool populateReliantFields, bool populateMinimumNumberOfFields) {
 	if (widget) {
+		TQStyleControlElementData &ceData = *(const_cast<TQWidget*>(widget)->controlElementDataObject());
+		TQStyleControlElementDataPrivate* ceDataPrivate = const_cast<TQWidget*>(widget)->controlElementDataPrivateObject();
+
 		ceData.isNull = false;
-		ceData.widgetObjectTypes = getObjectTypeListForObject(widget);
+		updateObjectTypeListIfNeeded(widget);
+
 		ceData.allDataPopulated = populateReliantFields & populateMinimumNumberOfFields;
 		if (!populateMinimumNumberOfFields) {
 			const TQPixmap* erasePixmap = widget->backgroundPixmap();
@@ -316,8 +394,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 		ceData.name = widget->name();
 		ceData.caption = widget->caption();
 		if (!populateMinimumNumberOfFields) {
-			if (ceData.widgetObjectTypes.contains(TQPushButton_static_string)) {
-				const TQPushButton *button = dynamic_cast<const TQPushButton*>(widget);
+			if (ceDataPrivate->isTQPushButton) {
+				const TQPushButton *button = static_cast<const TQPushButton*>(widget);
 				if (button) {
 					TQIconSet* iconSet = 0;
 					const TQPixmap* fgPixmap = 0;
@@ -331,8 +409,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQToolButton_static_string)) {
-				const TQToolButton *button = dynamic_cast<const TQToolButton*>(widget);
+			if (ceDataPrivate->isTQToolButton) {
+				const TQToolButton *button = static_cast<const TQToolButton*>(widget);
 				if (button) {
 					const TQPixmap* fgPixmap = 0;
 					ceData.iconSet = button->iconSet();
@@ -345,8 +423,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					ceData.popupDelay = button->popupDelay();
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQCheckBox_static_string)) {
-				const TQCheckBox *button = dynamic_cast<const TQCheckBox*>(widget);
+			if (ceDataPrivate->isTQCheckBox) {
+				const TQCheckBox *button = static_cast<const TQCheckBox*>(widget);
 				if (button) {
 					const TQPixmap* fgPixmap = 0;
 					fgPixmap = button->pixmap();
@@ -355,8 +433,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQRadioButton_static_string)) {
-				const TQRadioButton *button = dynamic_cast<const TQRadioButton*>(widget);
+			if (ceDataPrivate->isTQRadioButton) {
+				const TQRadioButton *button = static_cast<const TQRadioButton*>(widget);
 				if (button) {
 					const TQPixmap* fgPixmap = 0;
 					fgPixmap = button->pixmap();
@@ -365,8 +443,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQButton_static_string)) {
-				const TQButton *button = dynamic_cast<const TQButton*>(widget);
+			if (ceDataPrivate->isTQButton) {
+				const TQButton *button = static_cast<const TQButton*>(widget);
 				if (button) {
 					ceData.text = button->text();
 					const TQPixmap* paletteBgPixmap = 0;
@@ -376,8 +454,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQTabBar_static_string)) {
-				const TQTabBar *tb = dynamic_cast<const TQTabBar*>(widget);
+			if (ceDataPrivate->isTQTabBar) {
+				const TQTabBar *tb = static_cast<const TQTabBar*>(widget);
 				if (tb) {
 					ceData.tabBarData.tabCount = tb->count();
 					ceData.tabBarData.currentTabIndex = tb->currentTab();
@@ -390,33 +468,38 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 							ceData.tabBarData.identIndexMap[currentTab->identifier()] = tb->indexOf(currentTab->identifier());
 						}
 					}
-					const TQTabWidget *tw = dynamic_cast<const TQTabWidget*>(tb->parent());
-					if (tw) {
+					updateObjectTypeListIfNeeded(tb->parent());
+					if ((const_cast<TQObject*>(tb->parent())->controlElementDataPrivateObject())->isTQTabWidget) {
+						const TQTabWidget *tw = static_cast<const TQTabWidget*>(tb->parent());
 						TQWidget *cw;
 						cw = tw->cornerWidget(TQt::TopLeft);
-						if(cw) {
-							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_TopLeft].widgetObjectTypes = getObjectTypeListForObject(cw);
+						if (cw) {
+							updateObjectTypeListIfNeeded(cw);
+							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_TopLeft].widgetObjectTypes = (const_cast<TQWidget*>(cw)->controlElementDataObject())->widgetObjectTypes;
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_TopLeft].geometry = cw->geometry();
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_TopLeft].rect = cw->rect();
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_TopLeft].pos = cw->pos();
 						}
 						cw = tw->cornerWidget(TQt::TopRight);
-						if(cw) {
-							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_TopRight].widgetObjectTypes = getObjectTypeListForObject(cw);
+						if (cw) {
+							updateObjectTypeListIfNeeded(cw);
+							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_TopRight].widgetObjectTypes = (const_cast<TQWidget*>(cw)->controlElementDataObject())->widgetObjectTypes;
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_TopRight].geometry = cw->geometry();
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_TopRight].rect = cw->rect();
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_TopRight].pos = cw->pos();
 						}
 						cw = tw->cornerWidget(TQt::BottomLeft);
-						if(cw) {
-							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_BottomLeft].widgetObjectTypes = getObjectTypeListForObject(cw);
+						if (cw) {
+							updateObjectTypeListIfNeeded(cw);
+							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_BottomLeft].widgetObjectTypes = (const_cast<TQWidget*>(cw)->controlElementDataObject())->widgetObjectTypes;
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_BottomLeft].geometry = cw->geometry();
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_BottomLeft].rect = cw->rect();
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_BottomLeft].pos = cw->pos();
 						}
 						cw = tw->cornerWidget(TQt::BottomRight);
-						if(cw) {
-							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_BottomRight].widgetObjectTypes = getObjectTypeListForObject(cw);
+						if (cw) {
+							updateObjectTypeListIfNeeded(cw);
+							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_BottomRight].widgetObjectTypes = (const_cast<TQWidget*>(cw)->controlElementDataObject())->widgetObjectTypes;
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_BottomRight].geometry = cw->geometry();
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_BottomRight].rect = cw->rect();
 							ceData.tabBarData.cornerWidgets[TQStyleControlElementTabBarData::CWL_BottomRight].pos = cw->pos();
@@ -424,8 +507,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQToolBox_static_string)) {
-				const TQToolBox *tb = dynamic_cast<const TQToolBox*>(widget);
+			if (ceDataPrivate->isTQToolBox) {
+				const TQToolBox *tb = static_cast<const TQToolBox*>(widget);
 				if (tb) {
 					const TQWidget* currentItem = tb->currentItem();
 					if (currentItem) {
@@ -433,8 +516,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQProgressBar_static_string)) {
-				const TQProgressBar *pb = dynamic_cast<const TQProgressBar*>(widget);
+			if (ceDataPrivate->isTQProgressBar) {
+				const TQProgressBar *pb = static_cast<const TQProgressBar*>(widget);
 				if (pb) {
 					ceData.currentStep = pb->progress();
 					ceData.totalSteps = pb->totalSteps();
@@ -443,8 +526,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					ceData.orientation = pb->orientation();
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQHeader_static_string)) {
-				const TQHeader *header = dynamic_cast<const TQHeader*>(widget);
+			if (ceDataPrivate->isTQHeader) {
+				const TQHeader *header = static_cast<const TQHeader*>(widget);
 				if (header) {
 					int section = opt.headerSection();
 					TQIconSet* iconSet = 0;
@@ -456,8 +539,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 				}
 			}
 			// Complex Controls
-			if (ceData.widgetObjectTypes.contains(TQScrollBar_static_string)) {
-				const TQScrollBar *sb = dynamic_cast<const TQScrollBar*>(widget);
+			if (ceDataPrivate->isTQScrollBar) {
+				const TQScrollBar *sb = static_cast<const TQScrollBar*>(widget);
 				if (sb) {
 					ceData.orientation = sb->orientation();
 					ceData.minSteps = sb->minValue();
@@ -471,8 +554,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQSlider_static_string)) {
-				const TQSlider *sl = dynamic_cast<const TQSlider*>(widget);
+			if (ceDataPrivate->isTQSlider) {
+				const TQSlider *sl = static_cast<const TQSlider*>(widget);
 				if (sl) {
 					ceData.orientation = sl->orientation();
 					ceData.minSteps = sl->minValue();
@@ -488,8 +571,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQDialogButtons_static_string)) {
-				const TQDialogButtons *dlgbtns = dynamic_cast<const TQDialogButtons*>(widget);
+			if (ceDataPrivate->isTQDialogButtons) {
+				const TQDialogButtons *dlgbtns = static_cast<const TQDialogButtons*>(widget);
 				if (dlgbtns) {
 					ceData.orientation = dlgbtns->orientation();
 					ceData.dlgVisibleButtons = dlgbtns->visibleButtons();
@@ -499,11 +582,11 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 							ceData.dlgVisibleSizeHints[btns[i]] = dlgbtns->sizeHint(btns[i]);
 						}
 					}
-	
+
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQTitleBar_static_string)) {
-				const TQTitleBar *tb = dynamic_cast<const TQTitleBar*>(widget);
+			if (ceDataPrivate->isTQTitleBar) {
+				const TQTitleBar *tb = static_cast<const TQTitleBar*>(widget);
 				if (tb) {
 					ceData.titleBarData.hasWindow = !!(tb->window());
 					if (populateReliantFields) {
@@ -515,8 +598,8 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					ceData.titleBarData.visibleText = tb->visibleText();
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQSpinWidget_static_string)) {
-				const TQSpinWidget *sw = dynamic_cast<const TQSpinWidget*>(widget);
+			if (ceDataPrivate->isTQSpinWidget) {
+				const TQSpinWidget *sw = static_cast<const TQSpinWidget*>(widget);
 				if (sw) {
 					ceData.spinWidgetData.buttonSymbols = sw->buttonSymbols();
 					ceData.spinWidgetData.upRect = sw->upRect();
@@ -525,14 +608,15 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					ceData.spinWidgetData.downEnabled = sw->isDownEnabled();
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQListView_static_string)) {
-				const TQListView *lv = dynamic_cast<const TQListView*>(widget);
+			if (ceDataPrivate->isTQListView) {
+				const TQListView *lv = static_cast<const TQListView*>(widget);
 				if (lv) {
 					ceData.listViewData.rootDecorated = lv->rootIsDecorated();
 					ceData.listViewData.itemMargin = lv->itemMargin();
 					TQWidget* viewport = lv->viewport();
 					if (viewport) {
-						ceData.viewportData.widgetObjectTypes = getObjectTypeListForObject(viewport);
+						updateObjectTypeListIfNeeded(viewport);
+						ceData.viewportData.widgetObjectTypes = (const_cast<TQWidget*>(viewport)->controlElementDataObject())->widgetObjectTypes;
 						ceData.viewportData.allDataPopulated = populateReliantFields & populateMinimumNumberOfFields;
 						const TQPixmap* erasePixmap = viewport->backgroundPixmap();
 						if (erasePixmap) {
@@ -567,29 +651,31 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQComboBox_static_string)) {
-				const TQComboBox *cb = dynamic_cast<const TQComboBox*>(widget);
+			if (ceDataPrivate->isTQComboBox) {
+				const TQComboBox *cb = static_cast<const TQComboBox*>(widget);
 				if (cb) {
 					const TQLineEdit* lineEdit = cb->lineEdit();
 					if (lineEdit) {
-						ceData.comboBoxLineEditFlags = getControlElementFlagsForObject(lineEdit, ceData.widgetObjectTypes, TQStyleOption::Default);
+						ceData.comboBoxLineEditFlags = getControlElementFlagsForObject(lineEdit, TQStyleOption::Default);
 					}
 					const TQListBox* listBox = cb->listBox();
 					if (listBox) {
-						ceData.comboBoxListBoxFlags = getControlElementFlagsForObject(listBox, ceData.widgetObjectTypes, TQStyleOption::Default);
+						ceData.comboBoxListBoxFlags = getControlElementFlagsForObject(listBox, TQStyleOption::Default);
 					}
 				}
 			}
-			if (ceData.widgetObjectTypes.contains(TQFrame_static_string)) {
-				const TQFrame *frame = dynamic_cast<const TQFrame*>(widget);
+			if (ceDataPrivate->isTQFrame) {
+				const TQFrame *frame = static_cast<const TQFrame*>(widget);
 				if (frame) {
 					ceData.frameStyle = frame->frameStyle();
 				}
 			}
-	
+
 			const TQWidget* parentWidget = widget->parentWidget();
 			if (parentWidget) {
-				ceData.parentWidgetData.widgetObjectTypes = getObjectTypeListForObject(parentWidget);
+				updateObjectTypeListIfNeeded(parentWidget);
+				ceData.parentWidgetData.widgetObjectTypes = (const_cast<TQWidget*>(parentWidget)->controlElementDataObject())->widgetObjectTypes;
+				TQStyleControlElementDataPrivate* parentWidgetCEDataPrivate = const_cast<TQWidget*>(parentWidget)->controlElementDataPrivateObject();
 				ceData.parentWidgetData.allDataPopulated = populateReliantFields & populateMinimumNumberOfFields;
 				const TQPixmap* erasePixmap = parentWidget->backgroundPixmap();
 				if (erasePixmap) {
@@ -621,9 +707,9 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 				ceData.parentWidgetData.font = parentWidget->font();
 				ceData.parentWidgetData.name = parentWidget->name();
 				ceData.parentWidgetData.caption = parentWidget->caption();
-	
-				const TQDockWindow * dw = dynamic_cast<const TQDockWindow*>(parentWidget);
-				if (dw) {
+
+				if (parentWidgetCEDataPrivate->isTQDockWindow) {
+					const TQDockWindow * dw = static_cast<const TQDockWindow*>(parentWidget);
 					if (dw->area()) {
 						ceData.dwData.hasDockArea = true;
 						ceData.dwData.areaOrientation = dw->area()->orientation();
@@ -633,15 +719,17 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 					ceData.dwData.closeEnabled = dw->isCloseEnabled();
 				}
-				const TQToolBar * toolbar = dynamic_cast<const TQToolBar*>(parentWidget);
-				if (toolbar) {
+				if (parentWidgetCEDataPrivate->isTQToolBar) {
+					const TQToolBar * toolbar = static_cast<const TQToolBar*>(parentWidget);
 					ceData.toolBarData.orientation = toolbar->orientation();
 				}
-				ceData.parentWidgetFlags = getControlElementFlagsForObject(parentWidget, ceData.parentWidgetData.widgetObjectTypes, TQStyleOption::Default, populateReliantFields);
+				ceData.parentWidgetFlags = getControlElementFlagsForObject(parentWidget, TQStyleOption::Default, populateReliantFields);
 			}
 			const TQWidget* topLevelWidget = widget->topLevelWidget();
 			if (topLevelWidget) {
-				ceData.topLevelWidgetData.widgetObjectTypes = getObjectTypeListForObject(topLevelWidget);
+				updateObjectTypeListIfNeeded(topLevelWidget);
+				ceData.topLevelWidgetData.widgetObjectTypes = (const_cast<TQWidget*>(topLevelWidget)->controlElementDataObject())->widgetObjectTypes;
+				TQStyleControlElementDataPrivate* topLevelWidgetCEDataPrivate = const_cast<TQWidget*>(topLevelWidget)->controlElementDataPrivateObject();
 				ceData.topLevelWidgetData.allDataPopulated = populateReliantFields & populateMinimumNumberOfFields;
 				const TQPixmap* erasePixmap = topLevelWidget->backgroundPixmap();
 				if (erasePixmap) {
@@ -673,9 +761,9 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 				ceData.topLevelWidgetData.font = topLevelWidget->font();
 				ceData.topLevelWidgetData.name = topLevelWidget->name();
 				ceData.topLevelWidgetData.caption = topLevelWidget->caption();
-	
-				const TQDockWindow * dw = dynamic_cast<const TQDockWindow*>(topLevelWidget);
-				if (dw) {
+
+				if (topLevelWidgetCEDataPrivate->isTQDockWindow) {
+					const TQDockWindow * dw = static_cast<const TQDockWindow*>(topLevelWidget);
 					if (dw->area()) {
 						ceData.dwData.hasDockArea = true;
 						ceData.dwData.areaOrientation = dw->area()->orientation();
@@ -685,13 +773,13 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 					}
 					ceData.dwData.closeEnabled = dw->isCloseEnabled();
 				}
-				const TQToolBar * toolbar = dynamic_cast<const TQToolBar*>(topLevelWidget);
-				if (toolbar) {
+				if (topLevelWidgetCEDataPrivate->isTQToolBar) {
+					const TQToolBar * toolbar = static_cast<const TQToolBar*>(topLevelWidget);
 					ceData.toolBarData.orientation = toolbar->orientation();
 				}
-				ceData.topLevelWidgetFlags = getControlElementFlagsForObject(topLevelWidget, ceData.topLevelWidgetData.widgetObjectTypes, TQStyleOption::Default, populateReliantFields);
+				ceData.topLevelWidgetFlags = getControlElementFlagsForObject(topLevelWidget, TQStyleOption::Default, populateReliantFields);
 			}
-	
+
 			TQCheckListItem *item = opt.checkListItem();
 			if (item) {
 				ceData.checkListItemData.dataValid = true;
@@ -703,16 +791,24 @@ TQStyleControlElementData populateControlElementDataFromWidget(const TQWidget* w
 				ceData.checkListItemData.dataValid = false;
 			}
 		}
-	}
 
-	return ceData;
+		return ceData;
+	}
+	else {
+		if (!TQStyleControlElementData_null) {
+			TQStyleControlElementData_null = new TQStyleControlElementData();
+		}
+		TQStyleControlElementData &ceData = *TQStyleControlElementData_null;
+		return ceData;
+	}
 }
 
-TQStyleControlElementData populateControlElementDataFromApplication(const TQApplication* app, const TQStyleOption&, bool) {
-	TQStyleControlElementData ceData;
+const TQStyleControlElementData &populateControlElementDataFromApplication(const TQApplication* app, const TQStyleOption&, bool) {
+	TQStyleControlElementData &ceData = *(const_cast<TQApplication*>(app)->controlElementDataObject());
 
 	if (app) {
-		ceData.widgetObjectTypes = getObjectTypeListForObject(app);
+		updateObjectTypeListIfNeeded(app);
+		ceData.widgetObjectTypes = (const_cast<TQApplication*>(app)->controlElementDataObject())->widgetObjectTypes;
 		ceData.palette = app->palette();
 		ceData.font = app->font();
 	}
@@ -1179,7 +1275,7 @@ void TQCommonStyle::drawPrimitive( PrimitiveElement pe,
     activePainter = 0;
 }
 
-void qt_style_erase_region(TQPainter* p, const TQRegion& region, TQStyleControlElementData ceData) {
+void qt_style_erase_region(TQPainter* p, const TQRegion& region, const TQStyleControlElementData &ceData) {
 	TQRegion reg = region;
 
 	TQPoint offset = ceData.bgOffset;
@@ -2797,7 +2893,7 @@ int TQCommonStyle::pixelMetric(PixelMetric m, const TQStyleControlElementData &c
 	    if ( ceData.wflags & WStyle_Tool ) {
 		ret = TQMAX( TQFontMetrics(ceData.font).lineSpacing(), 16 );
 #ifndef QT_NO_MAINWINDOW
-	    } else if ( ceData.widgetObjectTypes.contains(TQDockWindow_static_string) ) {
+	    } else if ( ceData.widgetObjectTypes.containsYesNo(TQDockWindow_static_string) ) {
 		ret = TQMAX( TQFontMetrics(ceData.font).lineSpacing(), 13 );
 #endif
 	    } else {
@@ -2945,7 +3041,7 @@ int TQCommonStyle::pixelMetric(PixelMetric m, const TQStyleControlElementData &c
 #ifndef QT_NO_TABBAR
     case PM_TabBarTabVSpace:
 	{
-	    if ( ceData.widgetObjectTypes.contains(TQTabBar_static_string) && ( ceData.tabBarData.shape == TQTabBar::RoundedAbove ||
+	    if ( ceData.widgetObjectTypes.containsYesNo(TQTabBar_static_string) && ( ceData.tabBarData.shape == TQTabBar::RoundedAbove ||
 			 ceData.tabBarData.shape == TQTabBar::RoundedBelow ) )
 		ret = 10;
 	    else