QWidgets and QPixmaps and Stylesheets .... oh my.

using QT4.5, I have a class derived from QWidget. It uses stylesheets to loads a bitmap into the background. This stylesheet is loaded at runtime and is user made.

Code:

---

class MyClass : public QWidget
	Q_OBJECT
public:
	MyClass (QWidget *pParent )  : QWidget( pParent) {}
	~MyClass () {}
	virtual void paintEvent(QPaintEvent *ev);
};

---

ex from a stylesheet file:

Code:

---

MyClass  {
  background-image:	url(images/background.png);
}

---

in my app, I load the stylesheet as runtime using something like:

Code:

---

QFile file( "thesheet.qss" );
	file.open( QFile::ReadOnly );
	QString styleSheet = QLatin1String( file.readAll() );
	qApp->setStyleSheet(styleSheet);

---

The background loads fine from the stylesheet....

But in my MyClass paintEvent() code, I want to be able to access the QPixmap that the base QWidget class creates for the background (... but it seems that QWidget doesn't provide any accessors.).

I know I can pre-parse the stylesheet to find the image filename, or I could use an inelegant hack and render the widget to a Painter using:

Code:

---

QPainter_end(Painter);
QPixmap_grabWidget(Widget);
QPainter_begin(Painter);

---

but isn't there a simple way to access the background image?

hmmm.... just noticed QWidget's backgroundRole() method....

for the time being I'm using the following
little hack within my myClass code to get the background.

Code:

---

QPalette p = this->palette();
	QBrush bk = palette.background();
	QPixmap pm = bk.texture();
	...
	//do some mods on background pixmap,  stored in "pm"
	...
	// redraw the image in QRects  defined earlier...
	painter.drawPixmap( qr1, pm, qr2 );

---

still not happy using an ugly hack like this when access to stylesheet defined properties should be easily accessed within the classes themselves...