diff options
author | Mathieu Velten <matmaul@gmail.com> | 2018-06-06 18:07:03 +0200 |
---|---|---|
committer | Mathieu Velten <matmaul@gmail.com> | 2018-10-17 15:23:51 +0000 |
commit | 5e6bbbc1b86905c4c64aba34632b668ef44dc8f4 (patch) | |
tree | aabd8a8d785d9b930c33ab248984b31650d20d14 /src | |
parent | b4bd5f9df3e69da707513ba544537c80a8564fb4 (diff) |
xcb: use 128 as a reference DPI for small screens
This is a better version of 23b139038a1dc9a769a358ab112453abcdd39290
which was reverted.
Task-number: QTBUG-68620
Task-number: QTBUG-53022
Task-number: QTBUG-57211
Change-Id: I0b37fc261945c542bbfb30cecfe4b0a97c655e3c
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Diffstat (limited to 'src')
-rw-r--r-- | src/plugins/platforms/xcb/qxcbscreen.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp index 8c0ce8dd7e..35e90e4206 100644 --- a/src/plugins/platforms/xcb/qxcbscreen.cpp +++ b/src/plugins/platforms/xcb/qxcbscreen.cpp @@ -747,7 +747,11 @@ void QXcbScreen::updateGeometry(const QRect &geometry, uint8_t rotation) m_sizeMillimeters = sizeInMillimeters(geometry.size(), m_virtualDesktop->dpi()); qreal dpi = geometry.width() / physicalSize().width() * qreal(25.4); - m_pixelDensity = qMax(1, qRound(dpi/96)); + + // Use 128 as a reference DPI on small screens. This favors "small UI" over "large UI". + qreal referenceDpi = physicalSize().width() <= 320 ? 128 : 96; + + m_pixelDensity = qMax(1, qRound(dpi/referenceDpi)); m_geometry = geometry; m_availableGeometry = geometry & m_virtualDesktop->workArea(); QWindowSystemInterface::handleScreenGeometryChange(QPlatformScreen::screen(), m_geometry, m_availableGeometry); |