valentina/src/libs/vmisc/vabstractapplication.cpp

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/************************************************************************
**
** @file vabstractapplication.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 18 6, 2015
**
** @brief
** @copyright
** This source code is part of the Valentina project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2015 Valentina project
** <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
**
** Valentina is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** Valentina is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
#include "vabstractapplication.h"
#include <QDir>
#include <QLibraryInfo>
#include <QLoggingCategory>
#include <QMessageLogger>
#include <QStaticStringData>
#include <QStringData>
#include <QStringDataPtr>
#include <QTranslator>
#include <QUndoStack>
#include <Qt>
#include <QtDebug>
#include <QWidget>
#include <QStandardPaths>
#ifdef Q_OS_UNIX
# include <unistd.h>
#endif
#if defined(APPIMAGE) && defined(Q_OS_LINUX)
# include "appimage.h"
#endif // defined(APPIMAGE) && defined(Q_OS_LINUX)
namespace
{
auto FilterLocales(const QStringList &locales) -> QStringList
{
QStringList filtered;
for (const auto &locale : locales)
{
if (not locale.startsWith(QLatin1String("ru")))
{
filtered.append(locale);
}
}
return filtered;
}
//---------------------------------------------------------------------------------------------------------------------
auto LoadQM(QTranslator *translator, const QString &filename, const QString &locale, const QString &qmDir) -> bool
{
QStringList languages;
if (not locale.isEmpty())
{
languages.append(locale);
}
else
{
languages = QLocale().uiLanguages();
}
languages = FilterLocales(languages);
for (auto &locale : languages)
{
const bool loaded = translator->load(filename + locale, qmDir);
if (loaded)
{
return loaded;
}
}
return false;
}
} // namespace
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const QString VAbstractApplication::warningMessageSignature = QStringLiteral("[PATTERN MESSAGE]");
//---------------------------------------------------------------------------------------------------------------------
VAbstractApplication::VAbstractApplication(int &argc, char **argv)
:QApplication(argc, argv),
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undoStack(new QUndoStack(this))
{
QString rules;
#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 1)
#if defined(V_NO_ASSERT)
// Ignore SSL-related warnings
// See issue #528: Error: QSslSocket: cannot resolve SSLv2_client_method.
rules += QLatin1String("qt.network.ssl.warning=false\n");
// See issue #568: Certificate checking on Mac OS X.
rules += QLatin1String("qt.network.ssl.critical=false\n"
"qt.network.ssl.fatal=false\n");
#endif //defined(V_NO_ASSERT)
#endif // QT_VERSION >= QT_VERSION_CHECK(5, 4, 1)
#if defined(V_NO_ASSERT)
// See issue #992: QXcbConnection: XCB Error.
rules += QLatin1String("qt.qpa*=false\n");
rules += QLatin1String("kf5.kio.core*=false\n");
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rules += QLatin1String("qt.gui.icc.warning=false\n");
#endif
if (not rules.isEmpty())
{
QLoggingCategory::setFilterRules(rules);
}
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
// Enable support for HiDPI bitmap resources
// The attribute is available since Qt 5.1, but by default disabled.
// Because on Windows and Mac OS X we always use last version
// and Linux users send bug reports probably they related to this attribute
// better not enable it before Qt 5.6.
//
// Related issues:
// Issue #584. frequent xcb errors and hangs
// https://bitbucket.org/dismine/valentina/issues/584/frequent-xcb-errors-and-hangs
// Issue #527. Error: Pasting a wrong formula : every dialog box is "glued" to the screen and can't close file
// or Valentina.
// https://bitbucket.org/dismine/valentina/issues/527/error-pasting-a-wrong-formula-every-dialog
setAttribute(Qt::AA_UseHighDpiPixmaps);
#endif
connect(this, &QApplication::aboutToQuit, this, &VAbstractApplication::AboutToQuit);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief translationsPath return path to the root directory that contain QM files.
* @param locale used only in Mac OS. If empty return path to the root directory. If not - return path to locale
* subdirectory inside an app bundle.
* @return path to a directory that contain QM files.
*/
auto VAbstractApplication::translationsPath(const QString &locale) -> QString
{
const QString trPath = QStringLiteral("/translations");
#ifdef Q_OS_WIN
Q_UNUSED(locale)
return QCoreApplication::applicationDirPath() + trPath;
#elif defined(Q_OS_MAC)
QString mainPath;
if (locale.isEmpty())
{
mainPath = QCoreApplication::applicationDirPath() + QLatin1String("/../Resources") + trPath;
}
else
{
mainPath = QCoreApplication::applicationDirPath() + QLatin1String("/../Resources") + trPath + QLatin1String("/")
+ locale + QLatin1String(".lproj");
}
QDir dirBundle(mainPath);
if (dirBundle.exists())
{
return dirBundle.absolutePath();
}
else
{
QDir appDir = QDir(qApp->applicationDirPath());
appDir.cdUp();
appDir.cdUp();
appDir.cdUp();
QDir dir(appDir.absolutePath() + trPath);
if (dir.exists())
{
return dir.absolutePath();
}
else
{
return PKGDATADIR + trPath;
}
}
#else // Unix
Q_UNUSED(locale)
QDir dir(QCoreApplication::applicationDirPath() + trPath);
if (dir.exists())
{
return dir.absolutePath();
}
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#if defined(APPIMAGE) && defined(Q_OS_LINUX)
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/* Fix path to trasnaltions when run inside AppImage. */
return AppImageRoot() + PKGDATADIR + trPath;
#else
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return PKGDATADIR + trPath;
#endif // defined(APPIMAGE) && defined(Q_OS_LINUX)
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#endif // Unix
}
//---------------------------------------------------------------------------------------------------------------------
QUndoStack *VAbstractApplication::getUndoStack() const
{
return undoStack;
}
//---------------------------------------------------------------------------------------------------------------------
bool VAbstractApplication::IsPedantic() const
{
return false;
}
//---------------------------------------------------------------------------------------------------------------------
#if defined(Q_OS_WIN)
void VAbstractApplication::WinAttachConsole()
{
/* Windows does not really support dual mode applications.
* To see console output we need to attach console.
* For case of using pipeline we check std output handler.
* Original idea: https://stackoverflow.com/a/41701133/3045403
*/
auto stdout_type = GetFileType(GetStdHandle(STD_OUTPUT_HANDLE));
if (stdout_type == FILE_TYPE_UNKNOWN && AttachConsole(ATTACH_PARENT_PROCESS))
{
freopen("CONOUT$", "w", stdout);
freopen("CONOUT$", "w", stderr);
}
}
#endif
//---------------------------------------------------------------------------------------------------------------------
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void VAbstractApplication::LoadTranslation(QString locale)
{
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if (locale.startsWith(QLatin1String("ru")))
{
locale = QString();
}
if (locale.isEmpty())
{
qDebug()<<"Default locale";
}
else
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{
qDebug()<<"Checked locale:"<<locale;
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}
ClearTranslation();
const QString appQmDir = VAbstractApplication::translationsPath(locale);
qtTranslator = new QTranslator(this);
#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
const QString qtQmDir = appQmDir;
#else
const QString qtQmDir = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
#endif
LoadQM(qtTranslator, QStringLiteral("qt_"), locale, qtQmDir);
installTranslator(qtTranslator);
qtxmlTranslator = new QTranslator(this);
LoadQM(qtxmlTranslator, QStringLiteral("qtxmlpatterns_"), locale, qtQmDir);
installTranslator(qtxmlTranslator);
qtBaseTranslator = new QTranslator(this);
LoadQM(qtBaseTranslator, QStringLiteral("qtbase_"), locale, qtQmDir);
installTranslator(qtBaseTranslator);
appTranslator = new QTranslator(this);
LoadQM(appTranslator, QStringLiteral("valentina_"), locale, appQmDir);
installTranslator(appTranslator);
pmsTranslator = new QTranslator(this);
LoadQM(pmsTranslator, QStringLiteral("measurements_") + Settings()->GetPMSystemCode() + '_', locale, appQmDir);
installTranslator(pmsTranslator);
InitTrVars();//Very important do it after load QM files.
}
//---------------------------------------------------------------------------------------------------------------------
void VAbstractApplication::ClearTranslation()
{
if (not qtTranslator.isNull())
{
removeTranslator(qtTranslator);
delete qtTranslator;
}
if (not qtxmlTranslator.isNull())
{
removeTranslator(qtxmlTranslator);
delete qtxmlTranslator;
}
if (not qtBaseTranslator.isNull())
{
removeTranslator(qtBaseTranslator);
delete qtBaseTranslator;
}
if (not appTranslator.isNull())
{
removeTranslator(appTranslator);
delete appTranslator;
}
if (not pmsTranslator.isNull())
{
removeTranslator(pmsTranslator);
delete pmsTranslator;
}
}
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//---------------------------------------------------------------------------------------------------------------------
/**
* @brief ClearMessage helps to clear a message string from standard Qt function.
* @param msg the message that contains '"' at the start and at the end
* @return cleared string
*/
QString VAbstractApplication::ClearMessage(QString msg)
{
if (msg.startsWith('"') && msg.endsWith('"'))
{
msg.remove(0, 1);
msg.chop(1);
}
msg.replace("\\\"", "\"");
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return msg;
}
//---------------------------------------------------------------------------------------------------------------------
bool VAbstractApplication::IsWarningMessage(const QString &message) const
{
return VAbstractApplication::ClearMessage(message).startsWith(warningMessageSignature);
}
//---------------------------------------------------------------------------------------------------------------------
QFileDialog::Options VAbstractApplication::NativeFileDialog(QFileDialog::Options options) const
{
if (settings->IsDontUseNativeDialog())
{
options |= QFileDialog::DontUseNativeDialog;
}
return options;
}
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//---------------------------------------------------------------------------------------------------------------------
void VAbstractApplication::CheckSystemLocale()
{
const QString defLocale = QLocale::system().name();
if (defLocale.startsWith(QLatin1String("ru")))
{
qFatal("Incompatible locale \"%s\"", qPrintable(defLocale));
}
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auto CheckLanguage =[](QStandardPaths::StandardLocation type, const QStringList &test)
{
const QString path = QStandardPaths::locate(type, QString(), QStandardPaths::LocateDirectory);
return std::any_of(test.begin(), test.end(), [path](const QString &t) { return path.contains(t); });
};
int match = 0;
match += CheckLanguage(QStandardPaths::DesktopLocation, {"Рабочий стол"});
match += CheckLanguage(QStandardPaths::DocumentsLocation, {"Мои документы", "Документы"});
match += CheckLanguage(QStandardPaths::MusicLocation, {"Моя музыка", "Музыка"});
match += CheckLanguage(QStandardPaths::MoviesLocation, {"Мои видео", "Видео"});
match += CheckLanguage(QStandardPaths::PicturesLocation, {"Мои рисунки", "Изображения", "Картинки"});
match += CheckLanguage(QStandardPaths::DownloadLocation, {"Мои документы", "Загрузки"});
if (match >= 4)
{
qFatal("russian language detected");
}
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}