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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qminimalintegration.h"
#include "qminimalbackingstore.h"
#include <QtGui/private/qpixmap_raster_p.h>
#include <QtGui/private/qguiapplication_p.h>
#include <qpa/qplatformfontdatabase.h>
#include <qpa/qplatformnativeinterface.h>
#include <qpa/qplatformwindow.h>
#include <qpa/qwindowsysteminterface.h>
#if defined(Q_OS_WIN)
# include <QtGui/private/qwindowsfontdatabase_p.h>
# if QT_CONFIG(freetype)
# include <QtGui/private/qwindowsfontdatabase_ft_p.h>
# endif
#elif defined(Q_OS_DARWIN)
# include <QtGui/private/qcoretextfontdatabase_p.h>
#endif
#if QT_CONFIG(fontconfig)
# include <QtGui/private/qgenericunixfontdatabase_p.h>
#endif
#if QT_CONFIG(freetype)
#include <QtGui/private/qfontengine_ft_p.h>
#include <QtGui/private/qfreetypefontdatabase_p.h>
#endif
#if !defined(Q_OS_WIN)
#include <QtGui/private/qgenericunixeventdispatcher_p.h>
#else
#include <QtCore/private/qeventdispatcher_win_p.h>
#endif
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
class QCoreTextFontEngine;
static const char debugBackingStoreEnvironmentVariable[] = "QT_DEBUG_BACKINGSTORE";
static inline unsigned parseOptions(const QStringList ¶mList)
{
unsigned options = 0;
for (const QString ¶m : paramList) {
if (param == "enable_fonts"_L1)
options |= QMinimalIntegration::EnableFonts;
else if (param == "freetype"_L1)
options |= QMinimalIntegration::FreeTypeFontDatabase;
else if (param == "fontconfig"_L1)
options |= QMinimalIntegration::FontconfigDatabase;
}
return options;
}
QMinimalIntegration::QMinimalIntegration(const QStringList ¶meters)
: m_fontDatabase(nullptr)
, m_options(parseOptions(parameters))
{
if (qEnvironmentVariableIsSet(debugBackingStoreEnvironmentVariable)
&& qEnvironmentVariableIntValue(debugBackingStoreEnvironmentVariable) > 0) {
m_options |= DebugBackingStore | EnableFonts;
}
m_primaryScreen = new QMinimalScreen();
m_primaryScreen->mGeometry = QRect(0, 0, 240, 320);
m_primaryScreen->mDepth = 32;
m_primaryScreen->mFormat = QImage::Format_ARGB32_Premultiplied;
QWindowSystemInterface::handleScreenAdded(m_primaryScreen);
}
QMinimalIntegration::~QMinimalIntegration()
{
QWindowSystemInterface::handleScreenRemoved(m_primaryScreen);
delete m_fontDatabase;
}
bool QMinimalIntegration::hasCapability(QPlatformIntegration::Capability cap) const
{
switch (cap) {
case ThreadedPixmaps: return true;
case MultipleWindows: return true;
case RhiBasedRendering: return false;
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:
virtual void populateFontDatabase() override {}
};
QPlatformFontDatabase *QMinimalIntegration::fontDatabase() const
{
if (!m_fontDatabase && (m_options & EnableFonts)) {
#if defined(Q_OS_WIN)
if (m_options & FreeTypeFontDatabase) {
# if QT_CONFIG(freetype)
m_fontDatabase = new QWindowsFontDatabaseFT;
# endif // freetype
} else {
m_fontDatabase = new QWindowsFontDatabase;
}
#elif defined(Q_OS_DARWIN)
if (!(m_options & FontconfigDatabase)) {
if (m_options & FreeTypeFontDatabase) {
# if QT_CONFIG(freetype)
m_fontDatabase = new QCoreTextFontDatabaseEngineFactory<QFontEngineFT>;
# endif // freetype
} else {
m_fontDatabase = new QCoreTextFontDatabaseEngineFactory<QCoreTextFontEngine>;
}
}
#endif
if (!m_fontDatabase) {
#if QT_CONFIG(fontconfig)
m_fontDatabase = new QGenericUnixFontDatabase;
#else
m_fontDatabase = QPlatformIntegration::fontDatabase();
#endif
}
}
if (!m_fontDatabase)
m_fontDatabase = new DummyFontDatabase;
return m_fontDatabase;
}
QPlatformWindow *QMinimalIntegration::createPlatformWindow(QWindow *window) const
{
Q_UNUSED(window);
QPlatformWindow *w = new QPlatformWindow(window);
w->requestActivateWindow();
return w;
}
QPlatformBackingStore *QMinimalIntegration::createPlatformBackingStore(QWindow *window) const
{
return new QMinimalBackingStore(window);
}
QAbstractEventDispatcher *QMinimalIntegration::createEventDispatcher() const
{
#ifdef Q_OS_WIN
return new QEventDispatcherWin32;
#else
return createUnixEventDispatcher();
#endif
}
QPlatformNativeInterface *QMinimalIntegration::nativeInterface() const
{
if (!m_nativeInterface)
m_nativeInterface.reset(new QPlatformNativeInterface);
return m_nativeInterface.get();
}
QMinimalIntegration *QMinimalIntegration::instance()
{
return static_cast<QMinimalIntegration *>(QGuiApplicationPrivate::platformIntegration());
}
QT_END_NAMESPACE
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