main.cpp File Reference

#include <QApplication>
#include <QString>
#include <QStringList>
#include <QProcess>
#include <QCoreApplication>
#include <QMessageBox>
#include <QSurfaceFormat>
#include <clocale>
#include <cstring>
#include "ultragrid_window.hpp"

Include dependency graph for main.cpp:

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Functions
int	main (int argc, char *argv[])
static bool	show_help (char *argv[])

Function Documentation

main()

int main	(	int	argc,
		char *	argv[] )

Definition at line 26 of file main.cpp.

                                {
        if (show_help(argv)) {
                return 0;
        }
        QApplication app(argc, argv);
        QStringList args = QCoreApplication::arguments();
        QString ultragridExecutable = UltragridWindow::findUltragridExecutable();
        QProcess process;
 
        //important: If this line is removed parsing float numbers for vu meter fails
        std::setlocale(LC_NUMERIC, "C");
 
        QSurfaceFormat fmt;
        fmt.setDepthBufferSize(24);
        fmt.setStencilBufferSize(8);
        fmt.setVersion(3, 3);
        fmt.setProfile(QSurfaceFormat::CoreProfile);
        QSurfaceFormat::setDefaultFormat(fmt);
 
        UltragridWindow uw;
        uw.show();
 
        process.start(ultragridExecutable, QStringList());
        if(process.waitForStarted(1000) == false) {
                QMessageBox msgBox;
                msgBox.setText(ultragridExecutable + " doesn't seem to be executable.");
                msgBox.setInformativeText("Please install uv (UltraGrid binary) to your system "
                                "path or supply a '--with-uv' parameter.\n\n"
                                "Please check also if the binary is executable.");
                msgBox.setIcon(QMessageBox::Critical);
                msgBox.exec();
                return 1;
        }
 
        process.waitForFinished();
 
        if (process.exitStatus() == QProcess::CrashExit || process.exitCode() != 0) {
                QMessageBox msgBox;
                msgBox.setText("UltraGrid has crashes when invoked without arguments!");
                msgBox.setIcon(QMessageBox::Critical);
                msgBox.exec();
                return 1;
        }
 
        uw.initializeUgOpts();
        return app.exec();
}

References app, UltragridWindow::findUltragridExecutable(), fmt, UltragridWindow::initializeUgOpts(), show_help(), and UltragridWindow::start().

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show_help()

static bool show_help ( char * argv[] )

static

Definition at line 13 of file main.cpp.

                                    {
        const char *progname = argv[0];
        while (*argv != NULL) {
                if (strcmp(*argv, "-h") == 0 || strcmp(*argv, "--help") == 0) {
                        printf("Usage:\n");
                        printf("\t%s [-h|--help|--with-uv <uv>|--config <config_path>]\n", progname);
                        return true;
                }
                argv++;
        }
        return false;
}