Extend style API further and clean up example themes

3 files changed, 90 insertions, 12 deletions

diff --git a/src/kernel/qstyle.cpp b/src/kernel/qstyle.cpp
index 1d085f3..55aba9e 100644
--- a/src/kernel/qstyle.cpp
+++ b/src/kernel/qstyle.cpp
@@ -403,6 +403,7 @@ QStyle::QStyle()
     m_eventHandlerInstallationHook = NULL;
     m_eventHandlerRemovalHook = NULL;
     m_widgetActionRequestHook = NULL;
+    m_applicationActionRequestHook = NULL;
     conditionalAcceleratorsEnabled = false;
     d = new QStylePrivate;
 }
@@ -526,8 +527,7 @@ void QStyle::unPolish( QStyleControlElementData ceData, ControlElementFlags, voi
     \sa unPolish()
 */
 void QStyle::polish( QApplication *app ) {
-	QStyleControlElementData ceData;
-	ceData.widgetObjectTypes = getObjectTypeListForObject(app);
+	QStyleControlElementData ceData = populateControlElementDataFromApplication(app, QStyleOption());
 	applicationPolish(ceData, getControlElementFlagsForObject(app, ceData.widgetObjectTypes, QStyleOption()), app);
 }
 
@@ -539,8 +539,7 @@ void QStyle::polish( QApplication *app ) {
     \sa polish()
 */
 void QStyle::unPolish( QApplication *app ) {
-	QStyleControlElementData ceData;
-	ceData.widgetObjectTypes = getObjectTypeListForObject(app);
+	QStyleControlElementData ceData = populateControlElementDataFromApplication(app, QStyleOption());
 	applicationUnPolish(ceData, getControlElementFlagsForObject(app, ceData.widgetObjectTypes, QStyleOption()), app);
 }
 
@@ -2217,6 +2216,12 @@ bool QStyle::widgetActionRequest( QStyleControlElementData ceData, ControlElemen
 			else if (request == WAR_DisableMouseTracking) {
 				widget->setMouseTracking(FALSE);
 			}
+			else if (request == WAR_SetAutoMask) {
+				widget->setAutoMask(TRUE);
+			}
+			else if (request == WAR_UnSetAutoMask) {
+				widget->setAutoMask(FALSE);
+			}
 			else if (request == WAR_SetCheckable) {
 				QPopupMenu *pm = dynamic_cast<QPopupMenu*>(widget);
 				if (pm) {
@@ -2253,6 +2258,9 @@ bool QStyle::widgetActionRequest( QStyleControlElementData ceData, ControlElemen
 			else if (request == WAR_SetBackgroundMode) {
 				widget->setBackgroundMode((Qt::BackgroundMode)requestData.metric1);
 			}
+			else if (request == WAR_SetBackgroundOrigin) {
+				widget->setBackgroundOrigin((QWidget::BackgroundOrigin)requestData.metric1);
+			}
 			else if (request == WAR_SetFont) {
 				widget->setFont(requestData.font);
 			}
@@ -2289,11 +2297,45 @@ bool QStyle::widgetActionRequest( QStyleControlElementData ceData, ControlElemen
 	return true;
 }
 
-void QStyle::acceleratorKeypressEventMonitor( QObject *o, QEvent *e ) {
-	// RAJA FIXME
-	// Also, SH_HideUnderlineAcceleratorWhenAltUp should probably be set to 1 in the QWindowsStyle::styleHint overridden method
-	// Additionally, the common styleHint code in TDE (that controls popupmenu settings and such via configuration files) needs to be modified to add a config option for this new style hint
+/*!
+    \fn void QStyle::setApplicationActionRequestHook( ApplicationActionRequestHook hook );
+
+    Sets a callback function \a hook which will be called whenever a new application action request
+    is made via the QStyle::installObjectEventHandler method.  The callback function must
+    use this definition: bool callbackFunction( QStyleControlElementData ceData, ControlElementFlags elementFlags, void* source, QStyle* handler ).
+
+    \sa void QStyle::installObjectEventHandler( QStyleControlElementData ceData, ControlElementFlags elementFlags, void* source, QStyle* handler )
+*/
+void QStyle::setApplicationActionRequestHook( ApplicationActionRequestHook hook ) {
+	m_applicationActionRequestHook = hook;
+}
+
+/*!
+    \fn bool applicationActionRequestHandler( QStyleControlElementData ceData, ControlElementFlags elementFlags, void* source, ApplicationActionRequest request );
 
+    Handles application action requests.  Return FALSE to continue processing in base classes, TRUE to eat the request and halt processing.
+*/
+bool QStyle::applicationActionRequest( QStyleControlElementData ceData, ControlElementFlags elementFlags, void* source, ApplicationActionRequest request, QStyleApplicationActionRequestData requestData ) {
+	bool cbret = false;
+	if (m_applicationActionRequestHook) {
+		cbret = (*m_applicationActionRequestHook)(ceData, elementFlags, source, request, requestData);
+	}
+	if (!cbret) {
+		if (ceData.widgetObjectTypes.contains("QApplication")) {
+			QApplication* application = reinterpret_cast<QApplication*>(source);
+			if (request == AAR_SetPalette) {
+				application->setPalette(requestData.palette, requestData.bool1, requestData.cstr);
+			}
+			else if (request == AAR_SetFont) {
+				application->setFont(requestData.font, requestData.bool1, requestData.cstr);
+			}
+			return true;
+		}
+	}
+	return true;
+}
+
+void QStyle::acceleratorKeypressEventMonitor( QObject *o, QEvent *e ) {
 	if (styleHint(SH_HideUnderlineAcceleratorWhenAltUp, QStyleControlElementData(), CEF_None, QStyleOption::Default, NULL, NULL) != 0) {
 		QWidget *widget = dynamic_cast<QWidget*>(o);
 		if (widget) {
@@ -2337,12 +2379,16 @@ QStyleWidgetActionRequestData::QStyleWidgetActionRequestData(int param1, int par
 	metric2 = param2;
 }
 
-QStyleWidgetActionRequestData::QStyleWidgetActionRequestData(QPalette param) {
+QStyleWidgetActionRequestData::QStyleWidgetActionRequestData(QPalette param, bool informWidgets, const char* className) {
 	palette = param;
+	bool1 = informWidgets;
+	cstr = className;
 }
 
-QStyleWidgetActionRequestData::QStyleWidgetActionRequestData(QFont param) {
+QStyleWidgetActionRequestData::QStyleWidgetActionRequestData(QFont param, bool informWidgets, const char* className) {
 	font = param;
+	bool1 = informWidgets;
+	cstr = className;
 }
 
 QStyleWidgetActionRequestData::QStyleWidgetActionRequestData(QRect param) {
diff --git a/src/kernel/qstyle.h b/src/kernel/qstyle.h
index c99fb78..2d76d09 100644
--- a/src/kernel/qstyle.h
+++ b/src/kernel/qstyle.h
@@ -257,18 +257,24 @@ class Q_EXPORT QStyleWidgetActionRequestData {
 	public:
 		QStyleWidgetActionRequestData();
 		QStyleWidgetActionRequestData(int metric1, int metric2=0);
-		QStyleWidgetActionRequestData(QPalette palette);
-		QStyleWidgetActionRequestData(QFont font);
+		QStyleWidgetActionRequestData(QPalette palette, bool informWidgets = FALSE, const char* className = 0);
+		QStyleWidgetActionRequestData(QFont font, bool informWidgets = FALSE, const char* className = 0);
 		QStyleWidgetActionRequestData(QRect rect);
 		~QStyleWidgetActionRequestData();
 	public:
+		bool bool1;
+		bool bool2;
 		int metric1;
 		int metric2;
 		QPalette palette;
 		QFont font;
 		QRect rect;
+		const char * cstr;
+		QString string;
 };
 
+typedef QStyleWidgetActionRequestData QStyleApplicationActionRequestData;
+
 class Q_EXPORT QStyle: public QObject
 {
     Q_OBJECT
@@ -1077,6 +1083,8 @@ public:
 	WAR_RepaintRect,
 	WAR_EnableMouseTracking,
 	WAR_DisableMouseTracking,
+	WAR_SetAutoMask,
+	WAR_UnSetAutoMask,
 	WAR_SetCheckable,
 	WAR_UnSetCheckable,
 	WAR_FrameSetStyle,
@@ -1084,6 +1092,7 @@ public:
 	WAR_SetLayoutMargin,
 	WAR_SetPalette,
 	WAR_SetBackgroundMode,
+	WAR_SetBackgroundOrigin,
 	WAR_SetFont,
 	WAR_RepaintAllAccelerators
     };
@@ -1092,6 +1101,15 @@ public:
     void setWidgetActionRequestHook( WidgetActionRequestHook );
     virtual bool widgetActionRequest( QStyleControlElementData ceData, ControlElementFlags elementFlags, void* source, WidgetActionRequest request, QStyleWidgetActionRequestData requestData = QStyleWidgetActionRequestData() );
 
+    enum ApplicationActionRequest {
+	AAR_SetPalette,
+	AAR_SetFont
+    };
+
+    typedef bool (*ApplicationActionRequestHook)(QStyleControlElementData ceData, ControlElementFlags elementFlags, void* source, ApplicationActionRequest request, QStyleApplicationActionRequestData requestData);
+    void setApplicationActionRequestHook( ApplicationActionRequestHook );
+    virtual bool applicationActionRequest( QStyleControlElementData ceData, ControlElementFlags elementFlags, void* source, ApplicationActionRequest request, QStyleApplicationActionRequestData requestData = QStyleApplicationActionRequestData() );
+
     // Old 2.x QStyle API
 
 #ifndef QT_NO_COMPAT
@@ -1131,6 +1149,7 @@ private:
     EventHandlerInstallationHook m_eventHandlerInstallationHook;
     EventHandlerRemovalHook m_eventHandlerRemovalHook;
     WidgetActionRequestHook m_widgetActionRequestHook;
+    ApplicationActionRequestHook m_applicationActionRequestHook;
     ObjectEventSourceToHandlerMap m_objectEventSourceToHandlerMap;
     ObjectEventSourceDataToHandlerMap m_objectEventSourceDataToHandlerMap;
     ObjectEventSourceFlagsToHandlerMap m_objectEventSourceFlagsToHandlerMap;
@@ -1141,6 +1160,7 @@ inline QStyle::ControlElementFlags operator|(const QStyle::ControlElementFlags a
 // inline QStyle::ControlElementFlags operator|=(QStyle::ControlElementFlags &a, const QStyle::ControlElementFlags b) { a = static_cast<QStyle::ControlElementFlags>(static_cast<int>(a) | static_cast<int>(b)); return a; }
 
 Q_EXPORT QStyleControlElementData populateControlElementDataFromWidget(const QWidget* widget, const QStyleOption& opt, bool populateReliantFields=true);
+Q_EXPORT QStyleControlElementData populateControlElementDataFromApplication(const QApplication* app, const QStyleOption& opt, bool populateReliantFields=true);
 Q_EXPORT QStyle::ControlElementFlags getControlElementFlagsForObject(const QObject* object, QStringList objectTypeList, const QStyleOption& opt, bool populateReliantFields=true);
 Q_EXPORT QStringList getObjectTypeListForObject(const QObject* object);
 
diff --git a/src/styles/qcommonstyle.cpp b/src/styles/qcommonstyle.cpp
index b81018e..fe25502 100644
--- a/src/styles/qcommonstyle.cpp
+++ b/src/styles/qcommonstyle.cpp
@@ -556,6 +556,18 @@ QStyleControlElementData populateControlElementDataFromWidget(const QWidget* wid
 	return ceData;
 }
 
+QStyleControlElementData populateControlElementDataFromApplication(const QApplication* app, const QStyleOption&, bool) {
+	QStyleControlElementData ceData;
+
+	if (app) {
+		ceData.widgetObjectTypes = getObjectTypeListForObject(app);
+		ceData.palette = app->palette();
+		ceData.font = app->font();
+	}
+
+	return ceData;
+}
+
 /*! \reimp */
 void QCommonStyle::drawPrimitive( PrimitiveElement pe,
 				  QPainter *p,