156 lines
5.2 KiB
C++
156 lines
5.2 KiB
C++
#include "./resources.h"
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#include <QString>
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#include <QLocale>
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#include <QTranslator>
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#include <QLibraryInfo>
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#if defined(GUI_QTWIDGETS)
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# include <QApplication>
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# include <QIcon>
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# include <QFont>
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# include <QStyleFactory>
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#elif defined(GUI_QTQUICK)
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# include <QGuiApplication>
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# include <QIcon>
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# include <QFont>
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#else
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# include <QCoreApplication>
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#endif
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#include <iostream>
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using namespace std;
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void qInitResources_qtutilsicons();
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void qCleanupResources_qtutilsicons();
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namespace QtUtilitiesResources {
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/*!
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* \brief Initiates the resources used and provided by this library.
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*/
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void init()
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{
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qInitResources_qtutilsicons();
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}
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/*!
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* \brief Frees the resources used and provided by this library.
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*/
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void cleanup()
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{
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qCleanupResources_qtutilsicons();
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}
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}
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namespace TranslationFiles {
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bool hasEnglishTranslator = false;
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/*!
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* \brief Loads and installs the appropriate Qt translation file for the current locale.
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*/
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void loadQtTranslationFile()
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{
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QLocale locale;
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if(locale.language() != QLocale::English) {
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QTranslator *qtTranslator = new QTranslator;
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if(qtTranslator->load(QStringLiteral("qt_%1").arg(locale.name()),
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QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
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QCoreApplication::installTranslator(qtTranslator);
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} else if(qtTranslator->load(QStringLiteral("qt_%1").arg(locale.name()), QStringLiteral("../share/qt/translations"))) {
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// used in Windows
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QCoreApplication::installTranslator(qtTranslator);
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} else {
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delete qtTranslator;
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cout << "Unable to load Qt translation file for the language " << locale.name().toStdString() << "." << endl;
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}
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}
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}
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/*!
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* \brief Loads and installs the appropriate application translation file for the current locale.
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* \param applicationName Specifies the name of the application.
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* \remarks Translation files have to be placed in one of the following
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* locations:
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* - ./translations
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* - /usr/share/$application/translations (used in UNIX)
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* - ../share/$application/translations (used in Windows)
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* - ./projects/%1/translations (used during developement with subdirs project)
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* Translation files must be named using the following scheme:
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* - $application_$language.qm
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*/
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void loadApplicationTranslationFile(const QString &applicationName)
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{
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// load English translation files as fallback
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loadApplicationTranslationFile(applicationName, QStringLiteral("en_US"));
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hasEnglishTranslator = true;
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// load translation files for current locale
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loadApplicationTranslationFile(applicationName, QLocale().name());
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}
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/*!
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* \brief Loads and installs the appropriate application translation file for the specified locale.
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* \param applicationName Specifies the name of the application.
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* \param localName Specifies the name of the locale.
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* \remarks Translation files have to be placed in one of the following
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* locations:
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* - ./translations
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* - /usr/share/$application/translations (used in UNIX)
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* - ../share/$application/translations (used in Windows)
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* - ./projects/%1/translations (used during developement with subdirs project)
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* Translation files must be named using the following scheme:
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* - $application_$language.qm
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*/
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void loadApplicationTranslationFile(const QString &applicationName, const QString &localeName)
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{
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QTranslator *appTranslator = new QTranslator;
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QString fileName = QStringLiteral("%1_%2").arg(applicationName, localeName);
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if(appTranslator->load(fileName, QStringLiteral("./translations"))) {
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QCoreApplication::installTranslator(appTranslator);
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} else if(appTranslator->load(fileName, QStringLiteral("./projects/%1/translations").arg(applicationName))) {
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QCoreApplication::installTranslator(appTranslator);
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} else if(appTranslator->load(fileName, QStringLiteral("/usr/share/%1/translations").arg(applicationName))) {
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QCoreApplication::installTranslator(appTranslator);
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} else if(appTranslator->load(fileName, QStringLiteral("../share/%1/translations").arg(applicationName))) {
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QCoreApplication::installTranslator(appTranslator);
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} else {
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delete appTranslator;
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if(localeName != QStringLiteral("en_US")) {
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cout << "Unable to load application translation file for the language \"" << localeName.toStdString() << "\", falling back to language \"en_US\"." << endl;
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if(!hasEnglishTranslator) {
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loadApplicationTranslationFile(applicationName, QStringLiteral("en_US"));
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hasEnglishTranslator = true;
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}
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} else {
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cout << "Unable to load application translation file for the language \"" << localeName.toStdString() << "\"." << endl;
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}
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}
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}
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}
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namespace ApplicationInstances {
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#if defined(GUI_QTWIDGETS)
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bool hasWidgetsApp()
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{
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return qobject_cast<QApplication *>(QCoreApplication::instance()) != nullptr;
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}
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#endif
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#if defined(GUI_QTWIDGETS) || defined(GUI_QTQUICK)
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bool hasGuiApp()
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{
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return qobject_cast<QGuiApplication *>(QCoreApplication::instance()) != nullptr;
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}
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#endif
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bool hasCoreApp()
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{
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return qobject_cast<QCoreApplication *>(QCoreApplication::instance()) != nullptr;
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}
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}
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