diff options
Diffstat (limited to 'src/gui/styles/qstylehelper.cpp')
| -rw-r--r-- | src/gui/styles/qstylehelper.cpp | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/gui/styles/qstylehelper.cpp b/src/gui/styles/qstylehelper.cpp index 997bd682b8..f9010e8279 100644 --- a/src/gui/styles/qstylehelper.cpp +++ b/src/gui/styles/qstylehelper.cpp @@ -48,6 +48,12 @@ #include <private/qstyle_p.h> #include <qmath.h> +#if defined(Q_WS_WIN) +#include "qt_windows.h" +#elif defined(Q_WS_MAC) +#include <private/qt_cocoa_helpers_mac_p.h> +#endif + QT_BEGIN_NAMESPACE namespace QStyleHelper { @@ -72,6 +78,26 @@ QString uniqueName(const QString &key, const QStyleOption *option, const QSize & return tmp; } +qreal dpiScaled(qreal value) +{ + static qreal scale = -1; + if (scale < 0) { + scale = 1.0; +#if defined(Q_WS_WIN) + { + HDC hdcScreen = GetDC(0); + int dpi = GetDeviceCaps(hdcScreen, LOGPIXELSX); + ReleaseDC(0, hdcScreen); + scale = dpi/96.0; + } +#elif defined(Q_WS_MAC) + scale = qt_mac_get_scalefactor(); +#endif + } + return value * scale; +} + + #ifndef QT_NO_DIAL int calcBigLineSize(int radius) @@ -178,7 +204,6 @@ QPolygonF calcLines(const QStyleOptionSlider *dial) return poly; } - // This will draw a nice and shiny QDial for us. We don't want // all the shinyness in QWindowsStyle, hence we place it here |