main.cpp

// SPDX-FileCopyrightText: 2014 Anne Jan Brouwer
// SPDX-License-Identifier: GPL-3.0-or-later
 
#include "mainwindow.h"
#if SINGLE_APP
#include "singleapplication.h"
#endif
 
#include <QApplication>
#include <QDir>
#include <QTranslator>
#include <QtWidgets>


static auto joinRemainingArgs(const QStringList &args, int start) -> QString {
  Q_ASSERT(start >= 0 && start <= args.size());
  return args.mid(start).join(" ");
}

static auto appendWithSpaceIfSuffixNotEmpty(QString &target,
                                            const QString &suffix) -> void {
  if (!suffix.isEmpty()) {
    if (!target.isEmpty())
      target += " ";
    target += suffix;
  }
}

auto main(int argc, char *argv[]) -> int {
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
  QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
#endif
 
  QString text;
#if SINGLE_APP
  QString name = qgetenv("USER");
  if (name.isEmpty())
    name = qgetenv("USERNAME");
  SingleApplication app(argc, argv, name + "QtPass");
#else
  QApplication app(argc, argv);
#endif
 
  const QStringList args = app.arguments();
  bool consumeNextArg = false;
  for (int i = 1; i < args.count(); ++i) {
    const auto &arg = args.at(i);
 
    if (arg == "--") {
      consumeNextArg = false;
      appendWithSpaceIfSuffixNotEmpty(text, joinRemainingArgs(args, i + 1));
      break;
    }
 
    if (consumeNextArg) {
      consumeNextArg = false;
      continue;
    }
 
    if (arg.startsWith('-')) {
      // We only collect positional arguments into `text`.
      // For options in the form `--option value`, skip the separate value
      // token. Options in the form `--option=value` are fully contained in
      // `arg`.
      const bool optionTakesSeparateValue =
          !arg.contains('=') && i + 1 < args.count() && arg.startsWith("--") &&
          !arg.startsWith("---") && !args[i + 1].startsWith('-');
      if (optionTakesSeparateValue)
        consumeNextArg = true;
      continue;
    }
 
    if (!text.isEmpty())
      text += " ";
    text += arg;
  }
 
  if ((text.indexOf("-psn_") == 0) || (text.indexOf("-session") == 0)) {
    text.clear();
  }
 
#if SINGLE_APP
  if (app.isRunning()) {
    app.sendMessage(text);
    return 0;
  }
#endif
 
  Q_INIT_RESOURCE(resources);
  Q_INIT_RESOURCE(qmake_qmake_qm_files); //  qmake names the file
 
  QCoreApplication::setOrganizationName("IJHack");
  QCoreApplication::setOrganizationDomain("ijhack.org");
  QCoreApplication::setApplicationName("QtPass");
  QCoreApplication::setApplicationVersion(VERSION);
 
  // Setup and load translator for localization
  QTranslator translator;
  QString locale = QLocale::system().name();
  if (translator.load(
          QString(":localization/localization_%1.qm").arg(locale))) {
#if SINGLE_APP
    SingleApplication::installTranslator(&translator);
    SingleApplication::setLayoutDirection(
        QObject::tr("LTR") == "RTL" ? Qt::RightToLeft : Qt::LeftToRight);
#else
    QApplication::installTranslator(&translator);
    QApplication::setLayoutDirection(
        QObject::tr("LTR") == "RTL" ? Qt::RightToLeft : Qt::LeftToRight);
#endif
  }
 
  MainWindow w(text);
 
  w.activateWindow();
 
  QApplication::setWindowIcon(QIcon(":artwork/icon.png"));
 
#if SINGLE_APP
  QObject::connect(&app, &SingleApplication::messageAvailable, &w,
                   &MainWindow::messageAvailable);
#endif
 
  QGuiApplication::setDesktopFileName("qtpass");
 
  // Center the MainWindow on the screen the mouse pointer is currently on
#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
  static int cursorScreen =
      app.desktop()->screenNumber(app.desktop()->cursor().pos());
  QPoint cursorScreenCenter =
      app.desktop()->screenGeometry(cursorScreen).center();
  QRect windowFrameGeo = w.frameGeometry();
  windowFrameGeo.moveCenter(cursorScreenCenter);
  w.move(windowFrameGeo.topLeft());
#else
  QScreen *screen = QGuiApplication::screenAt(QCursor::pos());
  if (!screen)
    screen = QGuiApplication::primaryScreen();
  if (screen) {
    const QPoint cursorScreenCenter = screen->geometry().center();
    QRect windowFrameGeo = w.frameGeometry();
    windowFrameGeo.moveCenter(cursorScreenCenter);
    w.move(windowFrameGeo.topLeft());
  }
#endif
 
  w.show();
 
#if SINGLE_APP
  return SingleApplication::exec();
#else
  return QApplication::exec();
#endif
}