diff options
Diffstat (limited to 'src/gui/kernel/qscreen.cpp')
-rw-r--r-- | src/gui/kernel/qscreen.cpp | 62 |
1 files changed, 42 insertions, 20 deletions
diff --git a/src/gui/kernel/qscreen.cpp b/src/gui/kernel/qscreen.cpp index 52e7686439..bc4a25a65f 100644 --- a/src/gui/kernel/qscreen.cpp +++ b/src/gui/kernel/qscreen.cpp @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtGui module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** 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 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. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** 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. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -40,6 +46,7 @@ #include <QtCore/QDebug> #include <QtCore/private/qobject_p.h> +#include "qhighdpiscaling_p.h" QT_BEGIN_NAMESPACE @@ -116,7 +123,8 @@ QScreen::~QScreen() bool movingFromVirtualSibling = primaryScreen && primaryScreen->handle()->virtualSiblings().contains(handle()); // Move any leftover windows to the primary screen - foreach (QWindow *window, QGuiApplication::allWindows()) { + const auto allWindows = QGuiApplication::allWindows(); + for (QWindow *window : allWindows) { if (!window->isTopLevel() || window->screen() != this) continue; @@ -357,10 +365,10 @@ QRect QScreen::availableGeometry() const QList<QScreen *> QScreen::virtualSiblings() const { Q_D(const QScreen); - QList<QPlatformScreen *> platformScreens = d->platformScreen->virtualSiblings(); + const QList<QPlatformScreen *> platformScreens = d->platformScreen->virtualSiblings(); QList<QScreen *> screens; screens.reserve(platformScreens.count()); - foreach (QPlatformScreen *platformScreen, platformScreens) + for (QPlatformScreen *platformScreen : platformScreens) screens << platformScreen->screen(); return screens; } @@ -393,7 +401,8 @@ QSize QScreen::virtualSize() const QRect QScreen::virtualGeometry() const { QRect result; - foreach (QScreen *screen, virtualSiblings()) + const auto screens = virtualSiblings(); + for (QScreen *screen : screens) result |= screen->geometry(); return result; } @@ -426,7 +435,8 @@ QSize QScreen::availableVirtualSize() const QRect QScreen::availableVirtualGeometry() const { QRect result; - foreach (QScreen *screen, virtualSiblings()) + const auto screens = virtualSiblings(); + for (QScreen *screen : screens) result |= screen->availableGeometry(); return result; } @@ -683,7 +693,19 @@ QPixmap QScreen::grabWindow(WId window, int x, int y, int width, int height) qWarning("invoked with handle==0"); return QPixmap(); } - return platformScreen->grabWindow(window, x, y, width, height); + const qreal factor = QHighDpiScaling::factor(this); + if (qFuzzyCompare(factor, 1)) + return platformScreen->grabWindow(window, x, y, width, height); + + const QPoint nativePos = QHighDpi::toNative(QPoint(x, y), factor); + QSize nativeSize(width, height); + if (nativeSize.isValid()) + nativeSize = QHighDpi::toNative(nativeSize, factor); + QPixmap result = + platformScreen->grabWindow(window, nativePos.x(), nativePos.y(), + nativeSize.width(), nativeSize.height()); + result.setDevicePixelRatio(factor); + return result; } #ifndef QT_NO_DEBUG_STREAM |