QSplitter handle invisible on Win32

[para]

I'm working on a program that uses two QSplitters objects. Functionally this works without issue, but visually there is a significant difference between Linux and Windows.

On Linux, whatever theme I am currently using takes care of how to render the splitter handles. Here is a basic example:

On Linux:


However, in Windows, while the layout is the same, the handle that divides the sections is not visible.

On Windows:


Of course it is still there, but if one were to look at the program it would not be immediately obvious there was a splitter handle located there.

The problem is much more evident in a larger example.

On Linux:


On Windows:


I would like to see some sort of divider, perhaps something similar to how the QDockWidget's divider looks.

Here is the code I am using for the first example (written quickly since the 2nd example is too long to post):

#include <qapplication.h>
#include <qframe.h>
#include <qpushbutton.h>
#include <qsplitter.h>
 
class gui : public QFrame {
	public:
		gui();
 
	private:
		QSplitter* split;
 
		QPushButton* left_button;
		QPushButton* right_button;
};
 
gui::gui() {
	left_button = new QPushButton("Left");
	right_button = new QPushButton("Right");
 
	split = new QSplitter(Qt::Horizontal, this);
	split->addWidget(left_button);
	split->addWidget(right_button);
}
 
int main(int argc, char** argv) {
	QApplication app(argc, argv);
 
	gui* w = new gui();
 
	w->show();
 
	app.exec();
 
	delete w;
	return 0;
 
}

#include <qapplication.h>
#include <qframe.h>
#include <qpushbutton.h>
#include <qsplitter.h>

class gui : public QFrame {
	public:
		gui();

	private:
		QSplitter* split;

		QPushButton* left_button;
		QPushButton* right_button;
};

gui::gui() {
	left_button = new QPushButton("Left");
	right_button = new QPushButton("Right");

	split = new QSplitter(Qt::Horizontal, this);
	split->addWidget(left_button);
	split->addWidget(right_button);
}

int main(int argc, char** argv) {
	QApplication app(argc, argv);
	
	gui* w = new gui();
	
	w->show();
	
	app.exec();
	
	delete w;
	return 0;

}

To copy to clipboard, switch view to plain text mode 

Has anyone else had this problem?
I have tried QSplitter::setHandleWidth() but it doesn't seem to do anything.