qt5base-lts/tests/manual/qpainfo/main.cpp

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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QGuiApplication>
#include <QStyleHints>
#include <QLibraryInfo>
#include <private/qguiapplication_p.h>
#include <qpa/qplatformintegration.h>
#include <qpa/qplatformtheme.h>
#include <QScreen>
#include <QStringList>
#include <QVariant>
#include <QFont>
#include <QFontDatabase>
#include <QSysInfo>
#include <QLibraryInfo>
#include <QStandardPaths>
#include <QDir>
#ifndef QT_NO_OPENGL
# include <QOpenGLContext>
# include <QOpenGLFunctions>
#endif // QT_NO_OPENGL
#include <QWindow>
#include <iostream>
#include <string>
std::ostream &operator<<(std::ostream &str, const QSize &s)
{
str << s.width() << 'x' << s.height();
return str;
}
std::ostream &operator<<(std::ostream &str, const QSizeF &s)
{
str << s.width() << 'x' << s.height();
return str;
}
std::ostream &operator<<(std::ostream &str, const QRect &r)
{
str << r.size() << '+' << r.x() << '+' << r.y();
return str;
}
std::ostream &operator<<(std::ostream &str, const QStringList &l)
{
for (int i = 0; i < l.size(); ++i) {
if (i)
str << ',';
str << l.at(i).toStdString();
}
return str;
}
std::ostream &operator<<(std::ostream &str, const QFont &f)
{
std::cout << '"' << f.family().toStdString() << "\" " << f.pointSize();
return str;
}
#ifndef QT_NO_OPENGL
std::ostream &operator<<(std::ostream &str, const QSurfaceFormat &format)
{
str << "Version: " << format.majorVersion() << '.'
<< format.minorVersion() << " Profile: " << format.profile()
<< " Swap behavior: " << format.swapBehavior()
<< " Buffer size (RGB";
if (format.hasAlpha())
str << 'A';
str << "): " << format.redBufferSize() << ',' << format.greenBufferSize()
<< ',' << format.blueBufferSize();
if (format.hasAlpha())
str << ',' << format.alphaBufferSize();
if (const int dbs = format.depthBufferSize())
str << " Depth buffer: " << dbs;
if (const int sbs = format.stencilBufferSize())
str << " Stencil buffer: " << sbs;
const int samples = format.samples();
if (samples > 0)
str << " Samples: " << samples;
return str;
}
void dumpGlInfo(std::ostream &str)
{
QOpenGLContext context;
if (context.create()) {
# ifdef QT_OPENGL_DYNAMIC
str << "Dynamic GL ";
# endif
switch (context.openGLModuleType()) {
case QOpenGLContext::DesktopGL:
str << "DesktopGL";
break;
case QOpenGLContext::GLES2:
str << "GLES2";
break;
case QOpenGLContext::GLES1:
str << "GLES1";
break;
}
QWindow window;
window.setSurfaceType(QSurface::OpenGLSurface);
window.create();
context.makeCurrent(&window);
QOpenGLFunctions functions(&context);
str << " Vendor: " << functions.glGetString(GL_VENDOR)
<< "\nRenderer: " << functions.glGetString(GL_RENDERER)
<< "\nVersion: " << functions.glGetString(GL_VERSION)
<< "\nShading language: " << functions.glGetString(GL_SHADING_LANGUAGE_VERSION)
<< "\nFormat: " << context.format();
} else {
str << "Unable to create an Open GL context.\n";
}
}
#endif // !QT_NO_OPENGL
static QStringList toNativeSeparators(QStringList in)
{
for (int i = 0; i < in.size(); ++i)
in[i] = QDir::toNativeSeparators(in.at(i));
return in;
}
#define DUMP_CAPABILITY(integration, capability) \
if (platformIntegration->hasCapability(QPlatformIntegration::capability)) \
std::cout << ' ' << #capability;
#define DUMP_STANDARDPATH(location) \
std::cout << " " << #location << ": \"" \
<< QStandardPaths::displayName(QStandardPaths::location).toStdString() << '"' \
<< ' ' << toNativeSeparators(QStandardPaths::standardLocations(QStandardPaths::location)) << '\n';
#define DUMP_LIBRARYPATH(loc) \
std::cout << " " << #loc << ": " << QDir::toNativeSeparators(QLibraryInfo::location(QLibraryInfo::loc)).toStdString() << '\n';
int main(int argc, char **argv)
{
QGuiApplication app(argc, argv);
const QPlatformIntegration *platformIntegration = QGuiApplicationPrivate::platformIntegration();
std::cout << QLibraryInfo::build() << " on \"" << QGuiApplication::platformName().toStdString() << "\" "
<< (QSysInfo::ByteOrder == QSysInfo::LittleEndian ? "little endian" : "big endian") << '/'
<< '\n';
#if defined(Q_OS_WIN)
std::cout << std::hex << "Windows version: 0x" << QSysInfo::windowsVersion() << std::dec << '\n';
#elif defined(Q_OS_MAC)
std::cout << std::hex << "Mac OS version: 0x" << QSysInfo::macVersion() << std::dec << '\n';
#endif
std::cout << "\nLibrary info:\n";
DUMP_LIBRARYPATH(PrefixPath)
DUMP_LIBRARYPATH(DocumentationPath)
DUMP_LIBRARYPATH(HeadersPath)
DUMP_LIBRARYPATH(LibrariesPath)
DUMP_LIBRARYPATH(LibraryExecutablesPath)
DUMP_LIBRARYPATH(BinariesPath)
DUMP_LIBRARYPATH(PluginsPath)
DUMP_LIBRARYPATH(ImportsPath)
DUMP_LIBRARYPATH(Qml2ImportsPath)
DUMP_LIBRARYPATH(ArchDataPath)
DUMP_LIBRARYPATH(DataPath)
DUMP_LIBRARYPATH(TranslationsPath)
DUMP_LIBRARYPATH(ExamplesPath)
DUMP_LIBRARYPATH(TestsPath)
std::cout << "\nStandard paths:\n";
DUMP_STANDARDPATH(DesktopLocation)
DUMP_STANDARDPATH(DocumentsLocation)
DUMP_STANDARDPATH(FontsLocation)
DUMP_STANDARDPATH(ApplicationsLocation)
DUMP_STANDARDPATH(MusicLocation)
DUMP_STANDARDPATH(MoviesLocation)
DUMP_STANDARDPATH(PicturesLocation)
DUMP_STANDARDPATH(TempLocation)
DUMP_STANDARDPATH(HomeLocation)
DUMP_STANDARDPATH(DataLocation)
DUMP_STANDARDPATH(CacheLocation)
DUMP_STANDARDPATH(GenericDataLocation)
DUMP_STANDARDPATH(RuntimeLocation)
DUMP_STANDARDPATH(ConfigLocation)
DUMP_STANDARDPATH(DownloadLocation)
DUMP_STANDARDPATH(GenericCacheLocation)
std::cout << "\nPlatform capabilities:";
DUMP_CAPABILITY(platformIntegration, ThreadedPixmaps)
DUMP_CAPABILITY(platformIntegration, OpenGL)
DUMP_CAPABILITY(platformIntegration, ThreadedOpenGL)
DUMP_CAPABILITY(platformIntegration, SharedGraphicsCache)
DUMP_CAPABILITY(platformIntegration, BufferQueueingOpenGL)
DUMP_CAPABILITY(platformIntegration, WindowMasks)
DUMP_CAPABILITY(platformIntegration, MultipleWindows)
DUMP_CAPABILITY(platformIntegration, ApplicationState)
DUMP_CAPABILITY(platformIntegration, ForeignWindows)
DUMP_CAPABILITY(platformIntegration, AllGLFunctionsQueryable)
std::cout << '\n';
const QStyleHints *styleHints = QGuiApplication::styleHints();
std::cout << "\nStyle hints: mouseDoubleClickInterval=" << styleHints->mouseDoubleClickInterval() << " startDragDistance="
<< styleHints->startDragDistance() << " startDragTime=" << styleHints->startDragTime()
<< " startDragVelocity=" << styleHints->startDragVelocity() << " keyboardInputInterval=" << styleHints->keyboardInputInterval()
<< " keyboardAutoRepeatRate=" << styleHints->keyboardAutoRepeatRate() << " cursorFlashTime=" << styleHints->cursorFlashTime()
<< " showIsFullScreen=" << styleHints->showIsFullScreen() << " passwordMaskDelay=" << styleHints->passwordMaskDelay()
<< " fontSmoothingGamma=" << styleHints->fontSmoothingGamma() << " useRtlExtensions=" << styleHints->useRtlExtensions()
<< " mousePressAndHoldInterval=" << styleHints->mousePressAndHoldInterval() << '\n';
const QPlatformTheme *platformTheme = QGuiApplicationPrivate::platformTheme();
std::cout << "\nTheme:\n Styles: " << platformTheme->themeHint(QPlatformTheme::StyleNames).toStringList();
const QString iconTheme = platformTheme->themeHint(QPlatformTheme::SystemIconThemeName).toString();
if (!iconTheme.isEmpty()) {
std::cout << "\n Icon theme: " << iconTheme.toStdString()
<< ", " << platformTheme->themeHint(QPlatformTheme::SystemIconFallbackThemeName).toString().toStdString()
<< " from " << platformTheme->themeHint(QPlatformTheme::IconThemeSearchPaths).toStringList() << '\n';
}
if (const QFont *systemFont = platformTheme->font())
std::cout << " System font: " << *systemFont<< '\n';
std::cout << " General font : " << QFontDatabase::systemFont(QFontDatabase::GeneralFont) << '\n'
<< " Fixed font : " << QFontDatabase::systemFont(QFontDatabase::FixedFont) << '\n'
<< " Title font : " << QFontDatabase::systemFont(QFontDatabase::TitleFont) << '\n'
<< " Smallest font: " << QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont) << "\n\n";
if (platformTheme->usePlatformNativeDialog(QPlatformTheme::FileDialog))
std::cout << " Native file dialog\n";
if (platformTheme->usePlatformNativeDialog(QPlatformTheme::ColorDialog))
std::cout << " Native color dialog\n";
if (platformTheme->usePlatformNativeDialog(QPlatformTheme::FontDialog))
std::cout << " Native font dialog\n";
const QList<QScreen*> screens = QGuiApplication::screens();
const int screenCount = screens.size();
std::cout << "\nScreens: " << screenCount << '\n';
for (int s = 0; s < screenCount; ++s) {
const QScreen *screen = screens.at(s);
std::cout << (screen == QGuiApplication::primaryScreen() ? '*' : ' ')
<< '#' << ' ' << s << " \"" << screen->name().toStdString() << '"'
<< " Depth: " << screen->depth()
<< "\n Geometry: " << screen->geometry() << " Available: " << screen->availableGeometry();
if (screen->geometry() != screen->virtualGeometry())
std::cout << "\n Virtual geometry: " << screen->virtualGeometry() << " Available: " << screen->availableVirtualGeometry();
if (screen->virtualSiblings().size() > 1)
std::cout << "\n " << screen->virtualSiblings().size() << " virtual siblings";
std::cout << "\n Physical size: " << screen->physicalSize() << " mm"
<< " Refresh: " << screen->refreshRate() << " Hz"
<< "\n Physical DPI: " << screen->physicalDotsPerInchX()
<< ',' << screen->physicalDotsPerInchY()
<< " Logical DPI: " << screen->logicalDotsPerInchX()
<< ',' << screen->logicalDotsPerInchY()
<< "\n DevicePixelRatio: " << screen->devicePixelRatio()
<< " Primary orientation: " << screen->primaryOrientation()
<< "\n Orientation: " << screen->orientation()
<< " OrientationUpdateMask: " << screen->orientationUpdateMask()
<< "\n\n";
}
#ifndef QT_NO_OPENGL
dumpGlInfo(std::cout);
std::cout << "\n\n";
#endif // !QT_NO_OPENGL
return 0;
}