Provide a way to have multiple instances of the launcher option page controlling separate processes.
180 lines
6.8 KiB
C++
180 lines
6.8 KiB
C++
#include "./settings.h"
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#include "./singleinstance.h"
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#include "../gui/trayicon.h"
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#include "../gui/traywidget.h"
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#include "../../connector/syncthingprocess.h"
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#ifdef LIB_SYNCTHING_CONNECTOR_SUPPORT_SYSTEMD
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# include "../../connector/syncthingservice.h"
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#endif
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#include "resources/config.h"
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#include <c++utilities/application/argumentparser.h>
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#include <c++utilities/application/commandlineutils.h>
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#include <c++utilities/application/failure.h>
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#include <qtutilities/resources/qtconfigarguments.h>
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#include <qtutilities/resources/resources.h>
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#include <qtutilities/resources/importplugin.h>
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#include <qtutilities/settingsdialog/qtsettings.h>
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#include <QApplication>
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#include <QNetworkAccessManager>
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#include <QMessageBox>
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#include <QStringBuilder>
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#include <iostream>
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using namespace std;
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using namespace ApplicationUtilities;
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using namespace QtGui;
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using namespace Data;
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ENABLE_QT_RESOURCES_OF_STATIC_DEPENDENCIES
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#ifdef LIB_SYNCTHING_CONNECTOR_SUPPORT_SYSTEMD
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void handleSystemdServiceError(const QString &context, const QString &name, const QString &message)
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{
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QMessageBox msgBox;
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msgBox.setIcon(QMessageBox::Critical);
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msgBox.setText(QCoreApplication::translate("main", "Unable to ") + context);
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msgBox.setInformativeText(name % QStringLiteral(":\n") % message);
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msgBox.exec();
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}
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#endif
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int initSyncthingTray(bool windowed, bool waitForTray)
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{
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auto &v = Settings::values();
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#ifdef LIB_SYNCTHING_CONNECTOR_SUPPORT_SYSTEMD
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SyncthingService &service = syncthingService();
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service.setUnitName(v.systemd.syncthingUnit);
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QObject::connect(&service, &SyncthingService::errorOccurred, &handleSystemdServiceError);
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#endif
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if(windowed) {
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v.launcher.autostart();
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auto *trayWidget = new TrayWidget;
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trayWidget->setAttribute(Qt::WA_DeleteOnClose);
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trayWidget->show();
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} else {
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#ifndef QT_NO_SYSTEMTRAYICON
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if(QSystemTrayIcon::isSystemTrayAvailable() || waitForTray) {
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v.launcher.autostart();
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auto *trayIcon = new TrayIcon;
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trayIcon->show();
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if(v.firstLaunch) {
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QMessageBox msgBox;
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msgBox.setIcon(QMessageBox::Information);
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msgBox.setText(QCoreApplication::translate("main", "You must configure how to connect to Syncthing when using Syncthing Tray the first time."));
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msgBox.setInformativeText(QCoreApplication::translate("main", "Note that the settings dialog allows importing URL, credentials and API-key from the local Syncthing configuration."));
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msgBox.exec();
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trayIcon->trayMenu().widget()->showSettingsDialog();
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}
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} else {
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QMessageBox::critical(nullptr, QApplication::applicationName(), QApplication::translate("main", "The system tray is (currently) not available. You could open the tray menu as a regular window using the -w flag, though."));
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return -1;
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}
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#else
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QMessageBox::critical(nullptr, QApplication::applicationName(), QApplication::translate("main", "The Qt libraries have not been built with tray icon support. You could open the tray menu as a regular window using the -w flag, though."));
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return -2;
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#endif
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}
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return 0;
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}
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void trigger(bool tray, bool webUi)
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{
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if(!TrayWidget::instances().empty() && (tray || webUi)) {
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TrayWidget *trayWidget = TrayWidget::instances().front();
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if(webUi) {
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trayWidget->showWebUi();
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}
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if(tray) {
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trayWidget->showAtCursor();
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}
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}
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}
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int runApplication(int argc, const char *const *argv)
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{
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static bool firstRun = true;
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// setup argument parser
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SET_APPLICATION_INFO;
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CMD_UTILS_CONVERT_ARGS_TO_UTF8;
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ArgumentParser parser;
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HelpArgument helpArg(parser);
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// Qt configuration arguments
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QT_CONFIG_ARGUMENTS qtConfigArgs;
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Argument windowedArg("windowed", 'w', "opens the tray menu as a regular window");
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windowedArg.setCombinable(true);
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Argument showWebUiArg("webui", '\0', "instantly shows the web UI - meant for creating shortcut to web UI");
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showWebUiArg.setCombinable(true);
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Argument triggerArg("trigger", '\0', "instantly shows the left-click tray menu - meant for creating a shortcut");
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triggerArg.setCombinable(true);
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Argument waitForTrayArg("wait", '\0', "wait until the system tray becomes available instead of showing an error message if the system tray is not available on start-up");
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waitForTrayArg.setCombinable(true);
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Argument &widgetsGuiArg = qtConfigArgs.qtWidgetsGuiArg();
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widgetsGuiArg.addSubArgument(&windowedArg);
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widgetsGuiArg.addSubArgument(&showWebUiArg);
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widgetsGuiArg.addSubArgument(&triggerArg);
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widgetsGuiArg.addSubArgument(&waitForTrayArg);
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parser.setMainArguments({&qtConfigArgs.qtWidgetsGuiArg(), &helpArg});
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try {
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parser.parseArgs(argc, argv);
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if(qtConfigArgs.qtWidgetsGuiArg().isPresent()) {
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if(firstRun) {
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firstRun = false;
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SET_QT_APPLICATION_INFO;
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QApplication application(argc, const_cast<char **>(argv));
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QGuiApplication::setQuitOnLastWindowClosed(false);
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SingleInstance singleInstance(argc, argv);
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networkAccessManager().setParent(&singleInstance);
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QObject::connect(&singleInstance, &SingleInstance::newInstance, &runApplication);
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Settings::restore();
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Settings::values().qt.apply();
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qtConfigArgs.applySettings(true);
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LOAD_QT_TRANSLATIONS;
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int res = initSyncthingTray(windowedArg.isPresent(), waitForTrayArg.isPresent());
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if(!res) {
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trigger(triggerArg.isPresent(), showWebUiArg.isPresent());
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res = application.exec();
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}
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Settings::Launcher::terminate();
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Settings::save();
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return res;
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} else {
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if(!TrayWidget::instances().empty() && (showWebUiArg.isPresent() || triggerArg.isPresent())) {
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// if --webui or --trigger is present don't create a new tray icon, just trigger actions
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trigger(triggerArg.isPresent(), showWebUiArg.isPresent());
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} else {
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const int res = initSyncthingTray(windowedArg.isPresent(), waitForTrayArg.isPresent());
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if(!res) {
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trigger(triggerArg.isPresent(), showWebUiArg.isPresent());
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}
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return res;
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}
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}
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}
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} catch(const Failure &ex) {
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CMD_UTILS_START_CONSOLE;
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cerr << "Unable to parse arguments. " << ex.what() << "\nSee --help for available commands." << endl;
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return 1;
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}
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return 0;
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}
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int main(int argc, char *argv[])
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{
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return runApplication(argc, argv);
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}
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