diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qnsview.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qnsview.mm | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/src/plugins/platforms/cocoa/qnsview.mm b/src/plugins/platforms/cocoa/qnsview.mm index 577e0751c6..a43b3fe893 100644 --- a/src/plugins/platforms/cocoa/qnsview.mm +++ b/src/plugins/platforms/cocoa/qnsview.mm @@ -371,14 +371,11 @@ static QTouchDevice *touchDevice = 0; #ifndef QT_NO_WHEELEVENT - (void)scrollWheel:(NSEvent *)theEvent { - int deltaX = 0; - int deltaY = 0; - int deltaZ = 0; - const EventRef carbonEvent = (EventRef)[theEvent eventRef]; const UInt32 carbonEventKind = carbonEvent ? ::GetEventKind(carbonEvent) : 0; const bool scrollEvent = carbonEventKind == kEventMouseScroll; + QPoint angleDelta; if (scrollEvent) { // The mouse device contains pixel scroll wheel support (Mighty Mouse, Trackpad). // Since deviceDelta is delivered as pixels rather than degrees, we need to @@ -389,40 +386,45 @@ static QTouchDevice *touchDevice = 0; #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7 if ([theEvent respondsToSelector:@selector(scrollingDeltaX)]) { - deltaX = [theEvent scrollingDeltaX] * pixelsToDegrees; - deltaY = [theEvent scrollingDeltaY] * pixelsToDegrees; - // scrollingDeltaZ API is missing. + angleDelta.setX([theEvent scrollingDeltaX] * pixelsToDegrees); + angleDelta.setY([theEvent scrollingDeltaY] * pixelsToDegrees); } else #endif { - deltaX = [theEvent deviceDeltaX] * pixelsToDegrees; - deltaY = [theEvent deviceDeltaY] * pixelsToDegrees; - deltaZ = [theEvent deviceDeltaZ] * pixelsToDegrees; + angleDelta.setX([theEvent deviceDeltaX] * pixelsToDegrees); + angleDelta.setY([theEvent deviceDeltaY] * pixelsToDegrees); } } else { // carbonEventKind == kEventMouseWheelMoved // Remove acceleration, and use either -120 or 120 as delta: - deltaX = qBound(-120, int([theEvent deltaX] * 10000), 120); - deltaY = qBound(-120, int([theEvent deltaY] * 10000), 120); - deltaZ = qBound(-120, int([theEvent deltaZ] * 10000), 120); + angleDelta.setX(qBound(-120, int([theEvent deltaX] * 10000), 120)); + angleDelta.setY(qBound(-120, int([theEvent deltaY] * 10000), 120)); } + QPoint pixelDelta; +#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7 + if ([theEvent respondsToSelector:@selector(scrollingDeltaX)]) { + if ([theEvent hasPreciseScrollingDeltas]) { + pixelDelta.setX([theEvent scrollingDeltaX]); + pixelDelta.setY([theEvent scrollingDeltaY]); + } else { + // docs: "In the case of !hasPreciseScrollingDeltas, multiply the delta with the line width." + // scrollingDeltaX seems to return a minimum value of 0.1 in this case, map that to two pixels. + const CGFloat lineWithEstimate = 20.0; + pixelDelta.setX([theEvent scrollingDeltaX] * lineWithEstimate); + pixelDelta.setY([theEvent scrollingDeltaY] * lineWithEstimate); + } + } +#endif + + NSPoint windowPoint = [self convertPoint: [theEvent locationInWindow] fromView: nil]; QPoint qt_windowPoint(windowPoint.x, windowPoint.y); NSTimeInterval timestamp = [theEvent timestamp]; ulong qt_timestamp = timestamp * 1000; - if (deltaX != 0) - QWindowSystemInterface::handleWheelEvent(m_window, qt_timestamp, qt_windowPoint, qt_windowPoint, deltaX, Qt::Horizontal); - - if (deltaY != 0) - QWindowSystemInterface::handleWheelEvent(m_window, qt_timestamp, qt_windowPoint, qt_windowPoint, deltaY, Qt::Vertical); - - if (deltaZ != 0) - // Qt doesn't explicitly support wheels with a Z component. In a misguided attempt to - // try to be ahead of the pack, I'm adding this extra value. - QWindowSystemInterface::handleWheelEvent(m_window, qt_timestamp, qt_windowPoint, qt_windowPoint, deltaY, (Qt::Orientation)3); + QWindowSystemInterface::handleWheelEvent(m_window, qt_timestamp, qt_windowPoint, qt_windowPoint, pixelDelta, angleDelta); } #endif //QT_NO_WHEELEVENT |