qt: Set DISPLAY env var when not present
Fixes web browser opening (Help > Open Mods Page, Help > Open Quickstart Guide)
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@ -59,6 +59,7 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
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#include <QPushButton>
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#include <QShortcut>
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#include <QStatusBar>
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#include <QString>
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#include <QSysInfo>
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#include <QUrl>
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#include <QtConcurrent/QtConcurrent>
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@ -2999,6 +3000,14 @@ int main(int argc, char* argv[]) {
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chdir(bin_path.c_str());
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#endif
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#ifdef __linux__
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// Set the DISPLAY variable in order to open web browsers
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// TODO (lat9nq): Find a better solution for AppImages to start external applications
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if (QString::fromLocal8Bit(qgetenv("DISPLAY")).isEmpty()) {
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qputenv("DISPLAY", ":0");
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}
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#endif
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// Enables the core to make the qt created contexts current on std::threads
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QCoreApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity);
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QApplication app(argc, argv);
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