1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 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.
**
** 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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qcustomintegration.h"
#include <QtGui/qpa/qplatformfontdatabase.h>
#include <QtGui/qpa/qplatformnativeinterface.h>
#include <QtGui/qpa/qplatformwindow.h>
#include <QtGui/private/qguiapplication_p.h>
#include <QtEventDispatcherSupport/private/qgenericunixeventdispatcher_p.h>
#include "qcustombackingstore.h"
static const char devicePixelRatioEnvironmentVariable[] = "QT_DEVICE_PIXEL_RATIO";
class QCustomNativeInterface : public QPlatformNativeInterface
{
Q_OBJECT
public:
QVariant windowProperty(QPlatformWindow */*window*/, const QString &name) const override
{
if (name == QStringLiteral("scale"))
return m_scale;
return QVariant();
}
Q_INVOKABLE void changeScale(float scale)
{
m_scale = scale;
Q_EMIT windowPropertyChanged(nullptr, "scale");
}
private:
float m_scale = 1;
};
QCustomScreen::QCustomScreen()
: mDepth(32), mFormat(QImage::Format_ARGB32_Premultiplied), mDpr(1.0)
{
if (qEnvironmentVariableIsSet(devicePixelRatioEnvironmentVariable)) {
bool ok = false;
const float dpr = qgetenv(devicePixelRatioEnvironmentVariable).toFloat(&ok);
if (ok && dpr > 0) {
mDpr = dpr;
}
}
}
QCustomIntegration::QCustomIntegration()
: m_nativeInterface(new QCustomNativeInterface())
{
QCustomScreen *mPrimaryScreen = new QCustomScreen();
mPrimaryScreen->mGeometry = QRect(0, 0, 240, 320);
mPrimaryScreen->mDepth = 32;
mPrimaryScreen->mFormat = QImage::Format_ARGB32_Premultiplied;
#if QT_VERSION >= QT_VERSION_CHECK(5, 13, 0)
QWindowSystemInterface::handleScreenAdded(mPrimaryScreen);
#else
screenAdded(mPrimaryScreen);
#endif
}
QCustomIntegration::~QCustomIntegration()
{
delete m_nativeInterface;
}
bool QCustomIntegration::hasCapability(QPlatformIntegration::Capability cap) const
{
switch (cap) {
case ThreadedPixmaps: return true;
case MultipleWindows: return true;
default: return QPlatformIntegration::hasCapability(cap);
}
}
// Dummy font database that does not scan the fonts directory to be
// used for command line tools like qmlplugindump that do not create windows
// unless DebugBackingStore is activated.
class DummyFontDatabase : public QPlatformFontDatabase
{
public:
void populateFontDatabase() override {}
};
QPlatformFontDatabase *QCustomIntegration::fontDatabase() const
{
return new DummyFontDatabase;
}
QPlatformNativeInterface *QCustomIntegration::nativeInterface() const
{
return m_nativeInterface;
}
QPlatformWindow *QCustomIntegration::createPlatformWindow(QWindow *window) const
{
QPlatformWindow *w = new QPlatformWindow(window);
w->requestActivateWindow();
return w;
}
QPlatformBackingStore *QCustomIntegration::createPlatformBackingStore(QWindow *window) const
{
return new QCustomBackingStore(window);
}
QAbstractEventDispatcher *QCustomIntegration::createEventDispatcher() const
{
return createUnixEventDispatcher();
}
QCustomIntegration *QCustomIntegration::instance()
{
return static_cast<QCustomIntegration *>(QGuiApplicationPrivate::platformIntegration());
}
#include "qcustomintegration.moc"
|