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XCB: Don't recalculate the DPI if we have a forced DPI setting 

logicalDpi() already has the logic to check m_forcedDpi, so let's reuse
it. I hope it's not a problem that we send a signal that it changed when
nothing changed.

[ChangeLog][Platform Specific Changes][X11 / XCB]Fixed a bug that caused
Qt applications to think the screen DPI had changed when it had not,
after connecting or disconnecting monitors.

Task-number: QTBUG-32683
Change-Id: I45dd27de5109e65e7599915f11cfdb633a65a67c
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
bb10
Thiago Macieira 2013-12-18 14:18:03 -08:00 committed by The Qt Project
parent 48ecb2d434
commit 5ee3d1e456
1 changed files with 3 additions and 3 deletions
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6
src/plugins/platforms/xcb/qxcbscreen.cpp
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@ -373,9 +373,9 @@ void QXcbScreen::handleScreenChange(xcb_randr_screen_change_notify_event_t *chan
QWindowSystemInterface::handleScreenGeometryChange(QPlatformScreen::screen(), geometry());
QWindowSystemInterface::handleScreenAvailableGeometryChange(QPlatformScreen::screen(), availableGeometry());
QWindowSystemInterface::handleScreenOrientationChange(QPlatformScreen::screen(), m_orientation);
QWindowSystemInterface::handleScreenLogicalDotsPerInchChange(QPlatformScreen::screen(),
Q_MM_PER_INCH * m_virtualSize.width() / m_virtualSizeMillimeters.width(),
Q_MM_PER_INCH * m_virtualSize.height() / m_virtualSizeMillimeters.height());
QDpi ldpi = logicalDpi();
QWindowSystemInterface::handleScreenLogicalDotsPerInchChange(QPlatformScreen::screen(), ldpi.first, ldpi.second);
}
void QXcbScreen::updateGeometry(xcb_timestamp_t timestamp)