calendar-window/main.cpp

#include "mainwidget.h"
#include <QApplication>
#include <QDebug>

int usage()
{
    qDebug() << "Usage: " << QFile(qApp->arguments().at(0)).fileName().toStdString().c_str()
             << " ([--position=X-Y] [--size=WIDTH-HEIGHT] [--onLostFocus=(quit|ignore)]) | (--help|-h)";
    qDebug() << "--size: WIDTH >= 300 && HEIGHT >= 210";
    return 64;
}

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWidget w;
    QStringList args = qApp->arguments();
    QRegExp reg_geo("--(position|size)=([0-9]+)\\-([0-9]+)");
    QRegExp reg_focus("--onLostFocus=(quit|ignore)");
    for (int i = 1; i < args.size(); ++i)
    {
        QString arg = args.at(i);
        if (arg.contains(reg_geo))
        {
            int x = reg_geo.cap(2).toInt();
            if (x < 300)
            {
                qDebug() << "WIDTH < 300:" << x;
                return usage();
            }
            int y = reg_geo.cap(3).toInt();
            if (y < 210)
            {
                qDebug() << "HEIGHT < 210:" << y;
                return usage();
            }
            if (reg_geo.cap(1) == "position")
            {
                qDebug() << "Moving to" << x << y;
                w.move(x, y);
            }
            else
            {
                qDebug() << "Resizing to" << x << y;
                w.resize(x, y);
            }
        }
        else if (arg.contains(reg_focus))
            w.setExitOnLostFocus(reg_focus.cap(1) == "quit");
        else if (arg == "--help" || arg == "-h")
            return usage();
        else
        {
            qWarning() << "Invalid argument:" << arg;
            return usage();
        }
    }
    qDebug() << "Geometry:" << w.geometry();
    w.show();

    return a.exec();
}