diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbscreen.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbscreen.cpp | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp index 7136455754..e43652ab37 100644 --- a/src/plugins/platforms/xcb/qxcbscreen.cpp +++ b/src/plugins/platforms/xcb/qxcbscreen.cpp @@ -1,7 +1,7 @@ /**************************************************************************** ** -** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ ** ** This file is part of the plugins of the Qt Toolkit. ** @@ -10,9 +10,9 @@ ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser @@ -23,8 +23,8 @@ ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** $QT_END_LICENSE$ @@ -48,7 +48,7 @@ QT_BEGIN_NAMESPACE QXcbScreen::QXcbScreen(QXcbConnection *connection, xcb_screen_t *scr, - xcb_randr_get_output_info_reply_t *output, QString outputName, int number) + xcb_randr_get_output_info_reply_t *output, const QString &outputName, int number) : QXcbObject(connection) , m_screen(scr) , m_crtc(output ? output->crtc : 0) @@ -337,7 +337,7 @@ QDpi QXcbScreen::logicalDpi() const qreal QXcbScreen::devicePixelRatio() const { - static int override_dpr = qgetenv("QT_DEVICE_PIXEL_RATIO").toInt(); + static int override_dpr = qEnvironmentVariableIntValue("QT_DEVICE_PIXEL_RATIO"); static bool auto_dpr = qgetenv("QT_DEVICE_PIXEL_RATIO").toLower() == "auto"; if (override_dpr > 0) return override_dpr; @@ -417,6 +417,13 @@ void QXcbScreen::handleScreenChange(xcb_randr_screen_change_notify_event_t *chan QDpi ldpi = logicalDpi(); QWindowSystemInterface::handleScreenLogicalDotsPerInchChange(QPlatformScreen::screen(), ldpi.first, ldpi.second); + + // Windows which had null screens have already had expose events by now. + // They need to be told the screen is back, it's OK to render. + foreach (QWindow *window, QGuiApplication::topLevelWindows()) { + QXcbWindow *xcbWin = static_cast<QXcbWindow*>(window->handle()); + xcbWin->maybeSetScreen(this); + } } void QXcbScreen::updateGeometry(xcb_timestamp_t timestamp) |