valentina_old/src/libs/vmisc/def.cpp
2018-09-18 16:38:16 +03:00

847 lines
31 KiB
C++

/************************************************************************
**
** @file def.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 11 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://bitbucket.org/dismine/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 "def.h"
#include <QApplication>
#include <QChar>
#include <QColor>
#include <QComboBox>
#include <QCursor>
#include <QDir>
#include <QDirIterator>
#include <QFileInfo>
#include <QGuiApplication>
#include <QImage>
#include <QLatin1Char>
#include <QList>
#include <QMap>
#include <QMessageLogger>
#include <QObject>
#include <QPixmap>
#include <QPrinterInfo>
#include <QProcess>
#include <QRgb>
#include <QStaticStringData>
#include <QStringData>
#include <QStringDataPtr>
#include <QtDebug>
#include <QPixmapCache>
#include <QGraphicsItem>
#include <QGlobalStatic>
#include "vabstractapplication.h"
const qreal defCurveApproximationScale = 0.5;
const qreal minCurveApproximationScale = 0.1;
const qreal maxCurveApproximationScale = 10.0;
//functions
const QString degTorad_F = QStringLiteral("degTorad");
const QString radTodeg_F = QStringLiteral("radTodeg");
const QString sin_F = QStringLiteral("sin");
const QString cos_F = QStringLiteral("cos");
const QString tan_F = QStringLiteral("tan");
const QString asin_F = QStringLiteral("asin");
const QString acos_F = QStringLiteral("acos");
const QString atan_F = QStringLiteral("atan");
const QString sinh_F = QStringLiteral("sinh");
const QString cosh_F = QStringLiteral("cosh");
const QString tanh_F = QStringLiteral("tanh");
const QString asinh_F = QStringLiteral("asinh");
const QString acosh_F = QStringLiteral("acosh");
const QString atanh_F = QStringLiteral("atanh");
const QString sinD_F = QStringLiteral("sinD");
const QString cosD_F = QStringLiteral("cosD");
const QString tanD_F = QStringLiteral("tanD");
const QString asinD_F = QStringLiteral("asinD");
const QString acosD_F = QStringLiteral("acosD");
const QString atanD_F = QStringLiteral("atanD");
const QString log2_F = QStringLiteral("log2");
const QString log10_F = QStringLiteral("log10");
const QString log_F = QStringLiteral("log");
const QString ln_F = QStringLiteral("ln");
const QString exp_F = QStringLiteral("exp");
const QString sqrt_F = QStringLiteral("sqrt");
const QString sign_F = QStringLiteral("sign");
const QString rint_F = QStringLiteral("rint");
const QString r2cm_F = QStringLiteral("r2cm");
const QString csrCm_F = QStringLiteral("csrCm");
const QString csrInch_F = QStringLiteral("csrInch");
const QString abs_F = QStringLiteral("abs");
const QString min_F = QStringLiteral("min");
const QString max_F = QStringLiteral("max");
const QString sum_F = QStringLiteral("sum");
const QString avg_F = QStringLiteral("avg");
const QString fmod_F = QStringLiteral("fmod");
const QStringList builInFunctions = QStringList() << degTorad_F
<< radTodeg_F
<< sin_F
<< cos_F
<< tan_F
<< asin_F
<< acos_F
<< atan_F
<< sinh_F
<< cosh_F
<< tanh_F
<< asinh_F
<< acosh_F
<< atanh_F
<< sinD_F
<< cosD_F
<< tanD_F
<< asinD_F
<< acosD_F
<< atanD_F
<< log2_F
<< log10_F
<< log_F
<< ln_F
<< exp_F
<< sqrt_F
<< sign_F
<< rint_F
<< r2cm_F
<< csrCm_F
<< csrInch_F
<< abs_F
<< min_F
<< max_F
<< sum_F
<< avg_F
<< fmod_F;
const QString pl_size = QStringLiteral("size");
const QString pl_height = QStringLiteral("height");
const QString pl_date = QStringLiteral("date");
const QString pl_time = QStringLiteral("time");
const QString pl_patternName = QStringLiteral("patternName");
const QString pl_patternNumber = QStringLiteral("patternNumber");
const QString pl_author = QStringLiteral("author");
const QString pl_customer = QStringLiteral("customer");
const QString pl_userMaterial = QStringLiteral("userMaterial");
const QString pl_pExt = QStringLiteral("pExt");
const QString pl_pFileName = QStringLiteral("pFileName");
const QString pl_mFileName = QStringLiteral("mFileName");
const QString pl_mExt = QStringLiteral("mExt");
const QString pl_pLetter = QStringLiteral("pLetter");
const QString pl_pAnnotation = QStringLiteral("pAnnotation");
const QString pl_pOrientation = QStringLiteral("pOrientation");
const QString pl_pRotation = QStringLiteral("pRotation");
const QString pl_pTilt = QStringLiteral("pTilt");
const QString pl_pFoldPosition = QStringLiteral("pFoldPosition");
const QString pl_pName = QStringLiteral("pName");
const QString pl_pQuantity = QStringLiteral("pQuantity");
const QString pl_mFabric = QStringLiteral("mFabric");
const QString pl_mLining = QStringLiteral("mLining");
const QString pl_mInterfacing = QStringLiteral("mInterfacing");
const QString pl_mInterlining = QStringLiteral("mInterlining");
const QString pl_wCut = QStringLiteral("wCut");
const QString pl_wOnFold = QStringLiteral("wOnFold");
const QStringList labelTemplatePlaceholders = QStringList() << pl_size
<< pl_height
<< pl_date
<< pl_time
<< pl_patternName
<< pl_patternNumber
<< pl_author
<< pl_customer
<< pl_userMaterial
<< pl_pExt
<< pl_pFileName
<< pl_mFileName
<< pl_mExt
<< pl_pLetter
<< pl_pAnnotation
<< pl_pOrientation
<< pl_pRotation
<< pl_pTilt
<< pl_pFoldPosition
<< pl_pName
<< pl_pQuantity
<< pl_mFabric
<< pl_mLining
<< pl_mInterfacing
<< pl_mInterlining
<< pl_wCut
<< pl_wOnFold;
const QString cursorArrowOpenHand = QStringLiteral("://cursor/cursor-arrow-openhand.png");
const QString cursorArrowCloseHand = QStringLiteral("://cursor/cursor-arrow-closehand.png");
const QString unitMM = QStringLiteral("mm");
const QString unitCM = QStringLiteral("cm");
const QString unitINCH = QStringLiteral("inch");
const QString unitPX = QStringLiteral("px");
const QString valentinaNamespace = QStringLiteral("valentina");
//---------------------------------------------------------------------------------------------------------------------
QPixmap QPixmapFromCache(const QString &pixmapPath)
{
QPixmap pixmap;
if (not QPixmapCache::find(pixmapPath, pixmap))
{
pixmap = QPixmap(pixmapPath);
QPixmapCache::insert(pixmapPath, pixmap);
}
return pixmap;
}
//---------------------------------------------------------------------------------------------------------------------
void SetItemOverrideCursor(QGraphicsItem *item, const QString &pixmapPath, int hotX, int hotY)
{
#ifndef QT_NO_CURSOR
SCASSERT(item != nullptr)
item->setCursor(QCursor(QPixmapFromCache(pixmapPath), hotX, hotY));
#else
Q_UNUSED(item)
Q_UNUSED(pixmapPath)
Q_UNUSED(hotX)
Q_UNUSED(hotY)
#endif
}
//---------------------------------------------------------------------------------------------------------------------
double ToPixel(double val, const Unit &unit)
{
switch (unit)
{
case Unit::Mm:
return (val / 25.4) * PrintDPI;
case Unit::Cm:
return ((val * 10.0) / 25.4) * PrintDPI;
case Unit::Inch:
return val * PrintDPI;
case Unit::Px:
return val;
default:
break;
}
return 0;
}
//---------------------------------------------------------------------------------------------------------------------
double FromPixel(double pix, const Unit &unit)
{
switch (unit)
{
case Unit::Mm:
return (pix / PrintDPI) * 25.4;
case Unit::Cm:
return ((pix / PrintDPI) * 25.4) / 10.0;
case Unit::Inch:
return pix / PrintDPI;
case Unit::Px:
return pix;
default:
break;
}
return 0;
}
//---------------------------------------------------------------------------------------------------------------------
qreal UnitConvertor(qreal value, const Unit &from, const Unit &to)
{
switch (from)
{
case Unit::Mm:
switch (to)
{
case Unit::Mm:
return value;
case Unit::Cm:
return value / 10.0;
case Unit::Inch:
return value / 25.4;
case Unit::Px:
return (value / 25.4) * PrintDPI;
default:
break;
}
break;
case Unit::Cm:
switch (to)
{
case Unit::Mm:
return value * 10.0;
case Unit::Cm:
return value;
case Unit::Inch:
return value / 2.54;
case Unit::Px:
return ((value * 10.0) / 25.4) * PrintDPI;
default:
break;
}
break;
case Unit::Inch:
switch (to)
{
case Unit::Mm:
return value * 25.4;
case Unit::Cm:
return value * 2.54;
case Unit::Inch:
return value;
case Unit::Px:
return value * PrintDPI;
default:
break;
}
break;
case Unit::Px:
switch (to)
{
case Unit::Mm:
return (value / PrintDPI) * 25.4;
case Unit::Cm:
return ((value / PrintDPI) * 25.4) / 10.0;
case Unit::Inch:
return value / PrintDPI;
case Unit::Px:
return value;
default:
break;
}
break;
default:
break;
}
return 0;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief UnitConvertor Converts the values of the given margin from given unit to the new unit.
* returns a new instand of QMarginsF.
*/
QMarginsF UnitConvertor(const QMarginsF &margins, const Unit &from, const Unit &to)
{
const qreal left = UnitConvertor(margins.left(), from, to);
const qreal top = UnitConvertor(margins.top(), from, to);
const qreal right = UnitConvertor(margins.right(), from, to);
const qreal bottom = UnitConvertor(margins.bottom(), from, to);
return QMarginsF(left, top, right, bottom);
}
//---------------------------------------------------------------------------------------------------------------------
QStringList SupportedLocales()
{
const QStringList locales = QStringList() << QStringLiteral("ru_RU")
<< QStringLiteral("uk_UA")
<< QStringLiteral("de_DE")
<< QStringLiteral("cs_CZ")
<< QStringLiteral("he_IL")
<< QStringLiteral("fr_FR")
<< QStringLiteral("it_IT")
<< QStringLiteral("nl_NL")
<< QStringLiteral("id_ID")
<< QStringLiteral("es_ES")
<< QStringLiteral("fi_FI")
<< QStringLiteral("en_US")
<< QStringLiteral("en_CA")
<< QStringLiteral("en_IN")
<< QStringLiteral("ro_RO")
<< QStringLiteral("zh_CN")
<< QStringLiteral("pt_BR")
<< QStringLiteral("el_GR")
<< QStringLiteral("pl_PL");
return locales;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief strippedName the function call around curFile to exclude the path to the file.
* @param fullFileName full path to the file.
* @return file name.
*/
QString StrippedName(const QString &fullFileName)
{
return QFileInfo(fullFileName).fileName();
}
//---------------------------------------------------------------------------------------------------------------------
QString RelativeMPath(const QString &patternPath, const QString &absoluteMPath)
{
if (patternPath.isEmpty() || absoluteMPath.isEmpty())
{
return absoluteMPath;
}
if (QFileInfo(absoluteMPath).isRelative())
{
return absoluteMPath;
}
return QFileInfo(patternPath).absoluteDir().relativeFilePath(absoluteMPath);
}
//---------------------------------------------------------------------------------------------------------------------
QString AbsoluteMPath(const QString &patternPath, const QString &relativeMPath)
{
if (patternPath.isEmpty() || relativeMPath.isEmpty())
{
return relativeMPath;
}
if (QFileInfo(relativeMPath).isAbsolute())
{
return relativeMPath;
}
return QFileInfo(QFileInfo(patternPath).absoluteDir(), relativeMPath).absoluteFilePath();
}
//---------------------------------------------------------------------------------------------------------------------
QSharedPointer<QPrinter> PreparePrinter(const QPrinterInfo &info, QPrinter::PrinterMode mode)
{
QPrinterInfo tmpInfo = info;
if(tmpInfo.isNull() || tmpInfo.printerName().isEmpty())
{
#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
const QList<QPrinterInfo> list = QPrinterInfo::availablePrinters();
if(list.isEmpty())
{
return QSharedPointer<QPrinter>();
}
else
{
tmpInfo = list.first();
}
#else
const QStringList list = QPrinterInfo::availablePrinterNames();
if(list.isEmpty())
{
return QSharedPointer<QPrinter>();
}
else
{
tmpInfo = QPrinterInfo::printerInfo(list.first());
}
#endif
}
auto printer = QSharedPointer<QPrinter>(new QPrinter(tmpInfo, mode));
printer->setResolution(static_cast<int>(PrintDPI));
return printer;
}
//---------------------------------------------------------------------------------------------------------------------
QMarginsF GetMinPrinterFields(const QSharedPointer<QPrinter> &printer)
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
QPageLayout layout = printer->pageLayout();
layout.setUnits(QPageLayout::Millimeter);
const QMarginsF minMargins = layout.minimumMargins();
QMarginsF min;
min.setLeft(UnitConvertor(minMargins.left(), Unit::Mm, Unit::Px));
min.setRight(UnitConvertor(minMargins.right(), Unit::Mm, Unit::Px));
min.setTop(UnitConvertor(minMargins.top(), Unit::Mm, Unit::Px));
min.setBottom(UnitConvertor(minMargins.bottom(), Unit::Mm, Unit::Px));
return min;
#else
auto tempPrinter = QSharedPointer<QPrinter>(new QPrinter(QPrinterInfo(* printer)));
tempPrinter->setFullPage(false);
tempPrinter->setPageMargins(0, 0, 0, 0, QPrinter::Millimeter);
return GetPrinterFields(tempPrinter);
#endif //QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
}
//---------------------------------------------------------------------------------------------------------------------
QMarginsF GetPrinterFields(const QSharedPointer<QPrinter> &printer)
{
if (printer.isNull())
{
return QMarginsF();
}
qreal left = 0;
qreal top = 0;
qreal right = 0;
qreal bottom = 0;
printer->getPageMargins(&left, &top, &right, &bottom, QPrinter::Millimeter);
// We can't use Unit::Px because our dpi in most cases is different
QMarginsF def;
def.setLeft(UnitConvertor(left, Unit::Mm, Unit::Px));
def.setRight(UnitConvertor(right, Unit::Mm, Unit::Px));
def.setTop(UnitConvertor(top, Unit::Mm, Unit::Px));
def.setBottom(UnitConvertor(bottom, Unit::Mm, Unit::Px));
return def;
}
//---------------------------------------------------------------------------------------------------------------------
QPixmap darkenPixmap(const QPixmap &pixmap)
{
QImage img = pixmap.toImage().convertToFormat(QImage::Format_ARGB32);
const int imgh = img.height();
const int imgw = img.width();
for (int y = 0; y < imgh; ++y)
{
for (int x = 0; x < imgw; ++x)
{
int h, s, v;
QRgb pixel = img.pixel(x, y);
const int a = qAlpha(pixel);
QColor hsvColor(pixel);
hsvColor.getHsv(&h, &s, &v);
s = qMin(100, s * 2);
v = v / 2;
hsvColor.setHsv(h, s, v);
pixel = hsvColor.rgb();
img.setPixel(x, y, qRgba(qRed(pixel), qGreen(pixel), qBlue(pixel), a));
}
}
return QPixmap::fromImage(img);
}
//---------------------------------------------------------------------------------------------------------------------
void ShowInGraphicalShell(const QString &filePath)
{
#ifdef Q_OS_MAC
QStringList args;
args << "-e";
args << "tell application \"Finder\"";
args << "-e";
args << "activate";
args << "-e";
args << "select POSIX file \""+filePath+"\"";
args << "-e";
args << "end tell";
QProcess::startDetached("osascript", args);
#elif defined(Q_OS_WIN)
QProcess::startDetached(QString("explorer /select, \"%1\"").arg(QDir::toNativeSeparators(filePath)));
#else
const QString app = "xdg-open %d";
QString cmd;
for (int i = 0; i < app.size(); ++i)
{
QChar c = app.at(i);
if (c == QLatin1Char('%') && i < app.size()-1)
{
c = app.at(++i);
QString s;
if (c == QLatin1Char('d'))
{
s = QLatin1Char('"') + QFileInfo(filePath).path() + QLatin1Char('"');
}
else if (c == QLatin1Char('%'))
{
s = c;
}
else
{
s = QLatin1Char('%');
s += c;
}
cmd += s;
continue;
}
cmd += c;
}
QProcess::startDetached(cmd);
#endif
}
//---------------------------------------------------------------------------------------------------------------------
bool IsOptionSet(int argc, char *argv[], const char *option)
{
for (int i = 1; i < argc; ++i)
{
if (!qstrcmp(argv[i], option))
{
return true;
}
}
return false;
}
//---------------------------------------------------------------------------------------------------------------------
// See issue #624. https://bitbucket.org/dismine/valentina/issues/624
void InitHighDpiScaling(int argc, char *argv[])
{
/* For more info see: http://doc.qt.io/qt-5/highdpi.html */
if (IsOptionSet(argc, argv, qPrintable(QLatin1String("--") + LONG_OPTION_NO_HDPI_SCALING)))
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
QCoreApplication::setAttribute(Qt::AA_DisableHighDpiScaling);
#else
qputenv("QT_DEVICE_PIXEL_RATIO", QByteArray("1"));
#endif
}
else
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
#else
qputenv("QT_AUTO_SCREEN_SCALE_FACTOR", QByteArray("1"));
#endif
}
}
const QString strOne = QStringLiteral("one");
const QString strTwo = QStringLiteral("two");
const QString strThree = QStringLiteral("three");
Q_GLOBAL_STATIC_WITH_ARGS(const QString, strTMark, (QLatin1String("tMark")))
Q_GLOBAL_STATIC_WITH_ARGS(const QString, strVMark, (QLatin1String("vMark")))
//---------------------------------------------------------------------------------------------------------------------
QString PassmarkLineTypeToString(PassmarkLineType type)
{
switch(type)
{
case PassmarkLineType::OneLine:
return strOne;
case PassmarkLineType::TwoLines:
return strTwo;
case PassmarkLineType::ThreeLines:
return strThree;
case PassmarkLineType::TMark:
return *strTMark;
case PassmarkLineType::VMark:
return *strVMark;
default:
break;
}
return strOne;
}
//---------------------------------------------------------------------------------------------------------------------
PassmarkLineType StringToPassmarkLineType(const QString &value)
{
const QStringList values = QStringList() << strOne << strTwo << strThree << *strTMark << *strVMark;
switch(values.indexOf(value))
{
case 0: // strOne
return PassmarkLineType::OneLine;
case 1: // strTwo
return PassmarkLineType::TwoLines;
case 2: // strThree
return PassmarkLineType::ThreeLines;
case 3: // strTMark
return PassmarkLineType::TMark;
case 4: // strVMark
return PassmarkLineType::VMark;
default:
break;
}
return PassmarkLineType::OneLine;
}
const QString strStraightforward = QStringLiteral("straightforward");
const QString strBisector = QStringLiteral("bisector");
const QString strIntersection = QStringLiteral("intersection");
const QString strIntersectionOnlyLeft = QStringLiteral("intersectionLeft");
const QString strIntersectionOnlyRight = QStringLiteral("intersectionRight");
const QString strIntersection2 = QStringLiteral("intersection2");
const QString strIntersection2OnlyLeft = QStringLiteral("intersection2Left");
const QString strIntersection2OnlyRight = QStringLiteral("intersection2Right");
//---------------------------------------------------------------------------------------------------------------------
QString PassmarkAngleTypeToString(PassmarkAngleType type)
{
switch(type)
{
case PassmarkAngleType::Straightforward:
return strStraightforward;
case PassmarkAngleType::Bisector:
return strBisector;
case PassmarkAngleType::Intersection:
return strIntersection;
case PassmarkAngleType::IntersectionOnlyLeft:
return strIntersectionOnlyLeft;
case PassmarkAngleType::IntersectionOnlyRight:
return strIntersectionOnlyRight;
case PassmarkAngleType::Intersection2:
return strIntersection2;
case PassmarkAngleType::Intersection2OnlyLeft:
return strIntersection2OnlyLeft;
case PassmarkAngleType::Intersection2OnlyRight:
return strIntersection2OnlyRight;
default:
break;
}
return strStraightforward;
}
//---------------------------------------------------------------------------------------------------------------------
PassmarkAngleType StringToPassmarkAngleType(const QString &value)
{
const QStringList values = QStringList() << strStraightforward
<< strBisector
<< strIntersection
<< strIntersectionOnlyLeft
<< strIntersectionOnlyRight
<< strIntersection2
<< strIntersection2OnlyLeft
<< strIntersection2OnlyRight;
switch(values.indexOf(value))
{
case 0:
return PassmarkAngleType::Straightforward;
case 1:
return PassmarkAngleType::Bisector;
case 2:
return PassmarkAngleType::Intersection;
case 3:
return PassmarkAngleType::IntersectionOnlyLeft;
case 4:
return PassmarkAngleType::IntersectionOnlyRight;
case 5:
return PassmarkAngleType::Intersection2;
case 6:
return PassmarkAngleType::Intersection2OnlyLeft;
case 7:
return PassmarkAngleType::Intersection2OnlyRight;
default:
break;
}
return PassmarkAngleType::Straightforward;
}
//---------------------------------------------------------------------------------------------------------------------
Unit StrToUnits(const QString &unit)
{
const QStringList units = QStringList() << unitMM << unitCM << unitINCH << unitPX;
Unit result = Unit::Cm;
switch (units.indexOf(unit))
{
case 0:// mm
result = Unit::Mm;
break;
case 2:// inch
result = Unit::Inch;
break;
case 3:// px
result = Unit::Px;
break;
case 1:// cm
default:
result = Unit::Cm;
break;
}
return result;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief UnitsToStr translate unit to string.
*
* This method used when need write unit in xml file and for showing unit in dialogs.
* @param unit curent unit
* @param translate true if need show translated name. Default value false.
* @return string reprezantation for unit.
*/
QString UnitsToStr(const Unit &unit, const bool translate)
{
QString result;
switch (unit)
{
case Unit::Mm:
translate ? result = QObject::tr("mm") : result = unitMM;
break;
case Unit::Inch:
translate ? result = QObject::tr("inch") : result = unitINCH;
break;
case Unit::Px:
translate ? result = QObject::tr("px") : result = unitPX;
break;
case Unit::Cm:
default:
translate ? result = QObject::tr("cm") : result = unitCM;
break;
}
return result;
}
//---------------------------------------------------------------------------------------------------------------------
void InitLanguages(QComboBox *combobox)
{
SCASSERT(combobox != nullptr)
combobox->clear();
QStringList fileNames;
QDirIterator it(qApp->translationsPath(), QStringList("valentina_*.qm"), QDir::Files, QDirIterator::Subdirectories);
while (it.hasNext())
{
it.next();
fileNames.append(it.fileName());
}
bool englishUS = false;
const QString en_US = QStringLiteral("en_US");
for (auto locale : fileNames)
{
// get locale extracted by filename "valentina_de_De.qm"
locale.truncate(locale.lastIndexOf('.')); // "valentina_de_De"
locale.remove(0, locale.indexOf('_') + 1); // "de_De"
if (not englishUS)
{
englishUS = (en_US == locale);
}
QLocale loc = QLocale(locale);
QString lang = loc.nativeLanguageName();
QIcon ico(QString("%1/%2.png").arg("://flags", QLocale::countryToString(loc.country())));
combobox->addItem(ico, lang, locale);
}
if (combobox->count() == 0 || not englishUS)
{
// English language is internal and doens't have own *.qm file.
QIcon ico(QString("%1/%2.png").arg("://flags", QLocale::countryToString(QLocale::UnitedStates)));
QString lang = QLocale(en_US).nativeLanguageName();
combobox->addItem(ico, lang, en_US);
}
// set default translators and language checked
qint32 index = combobox->findData(qApp->Settings()->GetLocale());
if (index != -1)
{
combobox->setCurrentIndex(index);
}
}