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Fix QScreen::grabWindow for multiple screens on Mac

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QScreen::grabWindow() would only with the primary screen on Mac, if you
tried to grab a secondary one then it would end up with a blank pixmap.

Change-Id: I24f604051835db96286c693f5ed60a2633b6528e
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>
This commit is contained in:
Andy Shaw 2013-10-07 10:40:35 +02:00 committed by The Qt Project
parent ae4c7be67d
commit 2cfca47d56
1 changed files with 2 additions and 1 deletions
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3
src/plugins/platforms/cocoa/qcocoaintegration.mm
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@ -199,6 +199,7 @@ QPixmap QCocoaScreen::grabWindow(WId window, int x, int y, int width, int height
int w = (width < 0 ? bounds.size.width : width) * devicePixelRatio();
int h = (height < 0 ? bounds.size.height : height) * devicePixelRatio();
QRect displayRect = QRect(x, y, w, h);
displayRect = displayRect.translated(qRound(-bounds.origin.x), qRound(-bounds.origin.y));
QCFType<CGImageRef> image = CGDisplayCreateImageForRect(displays[i],
CGRectMake(displayRect.x(), displayRect.y(), displayRect.width(), displayRect.height()));
QPixmap pix(w, h);
@ -209,7 +210,7 @@ QPixmap QCocoaScreen::grabWindow(WId window, int x, int y, int width, int height
CGContextRelease(ctx);
QPainter painter(&windowPixmap);
painter.drawPixmap(bounds.origin.x, bounds.origin.y, pix);
painter.drawPixmap(0, 0, pix);
}
return windowPixmap;
}