Style QDial to look better

This widget has been needing an update in appearance for
years as it is still featured in our style gallery.
This introduces a new and better looking nob control to
cleanlooks, gtk, mac, windows xp, vista and cleanlooks.

Reviewed-by: nrc
Task-number: 159934

1 files changed, 39 insertions, 0 deletions

diff --git a/src/gui/styles/qstylehelper_p.h b/src/gui/styles/qstylehelper_p.h
new file mode 100644
index 0000000..d9b2e28
--- /dev/null
+++ b/src/gui/styles/qstylehelper_p.h
@@ -0,0 +1,39 @@
+#include <QtCore/qglobal.h>
+#include <QtCore/qpoint.h>
+#include <QtGui/qpolygon.h>
+
+#ifndef QSTYLEHELPER_P_H
+#define QSTYLEHELPER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+QT_BEGIN_NAMESPACE
+
+class QPainter;
+class QStyleOptionSlider;
+class QStyleOption;
+
+namespace QStyleHelper
+{
+    extern const bool UsePixmapCache;
+    QString uniqueName(const QString &key, const QStyleOption *option, const QSize &size);
+#ifndef QT_NO_DIAL
+    qreal angle(const QPointF &p1, const QPointF &p2);
+    QPolygonF calcLines(const QStyleOptionSlider *dial);
+    int calcBigLineSize(int radius);
+    void drawDial(const QStyleOptionSlider *dial, QPainter *painter);
+#endif //QT_NO_DIAL
+}
+
+QT_END_NAMESPACE
+
+#endif // QSTYLEHELPER_P_H