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Fix Pick Screen Color with multiple monitors

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QScreen::grabWindow expects screen coordinates, not global ones, use
QScreen::geometry() to compute them.

Fixes: QTBUG-99472
Change-Id: Ic4b99577b8cb394e6cd0a2d3f554bb3ec8250afa
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Reviewed-by: Zhang Hao <zhanghao@uniontech.com>
(cherry picked from commit da6c8b2fc6bc1a29b8a88c4ecce53eaf811eb06c)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Fawzi Mohamed 2022-01-04 10:06:57 +01:00 committed by Qt Cherry-pick Bot
parent c08842daea
commit 22f682d620
1 changed files with 3 additions and 1 deletions
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4
src/widgets/dialogs/qcolordialog.cpp
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@ -1566,7 +1566,9 @@ QColor QColorDialogPrivate::grabScreenColor(const QPoint &p)
QScreen *screen = QGuiApplication::screenAt(p);
if (!screen)
screen = QGuiApplication::primaryScreen();
const QPixmap pixmap = screen->grabWindow(0, p.x(), p.y(), 1, 1);
const QRect screenRect = screen->geometry();
const QPixmap pixmap =
screen->grabWindow(0, p.x() - screenRect.x(), p.y() - screenRect.y(), 1, 1);
const QImage i = pixmap.toImage();
return i.pixel(0, 0);
}