diff options
Diffstat (limited to 'src/gui/kernel/qhighdpiscaling_p.h')
-rw-r--r-- | src/gui/kernel/qhighdpiscaling_p.h | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/src/gui/kernel/qhighdpiscaling_p.h b/src/gui/kernel/qhighdpiscaling_p.h index 525e3fe78e..3410c1d345 100644 --- a/src/gui/kernel/qhighdpiscaling_p.h +++ b/src/gui/kernel/qhighdpiscaling_p.h @@ -78,14 +78,23 @@ public: static void setScreenFactor(QScreen *window, qreal factor); static bool isActive() { return m_active; } - static qreal factor(const QWindow *window); - static qreal factor(const QScreen *screen); - static qreal factor(const QPlatformScreen *platformScreen); - static QPoint origin(const QScreen *screen); - static QPoint origin(const QPlatformScreen *platformScreen); - static QPoint origin(const QWindow *window); - static QPoint mapPositionToNative(const QPoint &pos, const QPlatformScreen *platformScreen); + + struct ScaleAndOrigin + { + qreal factor; + QPoint origin; + }; + static ScaleAndOrigin scaleAndOrigin(const QPlatformScreen *platformScreen, QPoint *nativePosition = nullptr); + static ScaleAndOrigin scaleAndOrigin(const QScreen *screen, QPoint *nativePosition = nullptr); + static ScaleAndOrigin scaleAndOrigin(const QWindow *platformScreen, QPoint *nativePosition = nullptr); + + template<typename C> + static qreal factor(C *context, QPoint *nativePosition = nullptr) { + return scaleAndOrigin(context, nativePosition).factor; + } + static QPoint mapPositionFromNative(const QPoint &pos, const QPlatformScreen *platformScreen); + static QPoint mapPositionToNative(const QPoint &pos, const QPlatformScreen *platformScreen); static QPoint mapPositionToGlobal(const QPoint &pos, const QPoint &windowGlobalPosition, const QWindow *window); static QPoint mapPositionFromGlobal(const QPoint &pos, const QPoint &windowGlobalPosition, const QWindow *window); static QDpi logicalDpi(); @@ -166,16 +175,26 @@ inline QRegion scale(const QRegion ®ion, qreal scaleFactor, QPoint origin = Q return scaled; } +template <typename T> +inline QPoint position(T) { return QPoint(); } +inline QPoint position(QPoint point) { return point; } +inline QPoint position(QPointF point) { return point.toPoint(); } +inline QPoint position(QRect rect) { return rect.center(); } +inline QPoint position(QRectF rect) { return rect.center().toPoint(); } + template <typename T, typename C> T fromNativePixels(const T &value, const C *context) { - return scale(value, qreal(1) / QHighDpiScaling::factor(context), QHighDpiScaling::origin(context)); + QPoint nativePosition = position(value); + QHighDpiScaling::ScaleAndOrigin so = QHighDpiScaling::scaleAndOrigin(context, &nativePosition); + return scale(value, qreal(1) / so.factor, so.origin); } template <typename T, typename C> T toNativePixels(const T &value, const C *context) { - return scale(value, QHighDpiScaling::factor(context), QHighDpiScaling::origin(context)); + QHighDpiScaling::ScaleAndOrigin so = QHighDpiScaling::scaleAndOrigin(context); + return scale(value, so.factor, so.origin); } template <typename T, typename C> |