diff options
Diffstat (limited to 'src/plugins/platforms/cocoa')
| -rw-r--r-- | src/plugins/platforms/cocoa/qcocoahelpers.mm | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoahelpers.mm b/src/plugins/platforms/cocoa/qcocoahelpers.mm index 3f00893465..5ec2cea362 100644 --- a/src/plugins/platforms/cocoa/qcocoahelpers.mm +++ b/src/plugins/platforms/cocoa/qcocoahelpers.mm @@ -47,6 +47,7 @@ #include <QtGui> #include <qpa/qplatformscreen.h> #include <private/qguiapplication_p.h> +#include <private/qwindow_p.h> #ifndef QT_NO_WIDGETS #include <QtWidgets/QWidget> @@ -584,10 +585,28 @@ QString qt_mac_applicationName() return appName; } +/* + Mac window coordinates are in the first quadrant: 0, 0 is at the lower-left + corner of the primary screen. This function converts the given rect to an + NSRect for the window geometry, flipping from 4th quadrant to 1st quadrant + and simultaneously ensuring that as much of the window as possible will be + onscreen. If the rect is too tall for the screen, the OS will reduce the + window's height anyway; but by moving the window upwards we can have more + of it onscreen. But the application can still control the y coordinate + in case it really wants the window to be positioned partially offscreen. +*/ NSRect qt_mac_flipRect(const QRect &rect, QWindow *window) { QPlatformScreen *onScreen = QPlatformScreen::platformScreenForWindow(window); - int flippedY = onScreen->geometry().height() - rect.y() - rect.height(); + int flippedY = onScreen->geometry().height() - (rect.y() + rect.height()); + + // In case of automatic positioning, try to put as much of the window onscreen as possible. + if (window->isTopLevel() && qt_window_private(const_cast<QWindow*>(window))->positionAutomatic && flippedY < 0) + flippedY = onScreen->geometry().height() - onScreen->availableGeometry().height() - onScreen->availableGeometry().y(); +#ifdef QT_COCOA_ENABLE_WINDOW_DEBUG + qDebug() << Q_FUNC_INFO << rect << "flippedY" << flippedY << + "screen" << onScreen->geometry() << "available" << onScreen->availableGeometry(); +#endif return NSMakeRect(rect.x(), flippedY, rect.width(), rect.height()); } |