344 lines
12 KiB
C++
344 lines
12 KiB
C++
/*
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* Deskflow -- mouse and keyboard sharing utility
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* SPDX-FileCopyrightText: (C) 2024 Symless Ltd.
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* SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
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*/
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#include "Messages.h"
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#include "Logger.h"
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#include "Styles.h"
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#include "common/Settings.h"
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#include "common/UrlConstants.h"
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#include <QAction>
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#include <QDateTime>
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#include <QDir>
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#include <QMessageBox>
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#include <QPushButton>
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#include <QTime>
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#include <memory>
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namespace deskflow::gui::messages {
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struct Errors
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{
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static std::unique_ptr<QMessageBox> s_criticalMessage;
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static QStringList s_ignoredErrors;
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};
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std::unique_ptr<QMessageBox> Errors::s_criticalMessage;
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QStringList Errors::s_ignoredErrors;
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void raiseCriticalDialog()
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{
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if (Errors::s_criticalMessage) {
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Errors::s_criticalMessage->raise();
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}
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}
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void showErrorDialog(const QString &message, const QString &fileLine, QtMsgType type)
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{
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auto title = type == QtFatalMsg ? "Fatal error" : "Critical error";
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QString text;
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if (type == QtFatalMsg) {
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text = "<p>Sorry, a fatal error has occurred and the application must "
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"now exit.</p>";
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} else {
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text = "<p>Sorry, a critical error has occurred.</p>";
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}
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text += QString(
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R"(<p>Please <a href="%1" style="color: %2">report a bug</a>)"
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" and copy/paste the following error:</p>"
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)
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.arg(kUrlHelp, kColorSecondary);
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text += QString("<pre>v%1\n%2\n%3</pre>").arg(kVersion, message, fileLine);
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if (type == QtFatalMsg) {
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// create a blocking message box for fatal errors, as we want to wait
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// until the dialog is dismissed before aborting the app.
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QMessageBox critical(QMessageBox::Critical, title, text, QMessageBox::Abort);
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critical.exec();
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} else if (!Errors::s_ignoredErrors.contains(message)) {
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// prevent message boxes piling up by deleting the last one if it exists.
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// if none exists yet, then nothing will happen.
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Errors::s_criticalMessage.reset();
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// as we don't abort for critical messages, create a new non-blocking
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// message box. this is so that we don't block the message handler; if we
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// did, we would prevent new messages from being logged properly.
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// the memory will stay allocated until the app exits, which is acceptable.
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Errors::s_criticalMessage =
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std::make_unique<QMessageBox>(QMessageBox::Critical, title, text, QMessageBox::Ok | QMessageBox::Ignore);
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Errors::s_criticalMessage->open();
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QAction::connect(
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Errors::s_criticalMessage.get(), &QMessageBox::finished, //
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[message](int result) {
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if (result == QMessageBox::Ignore) {
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Errors::s_ignoredErrors.append(message);
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}
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}
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);
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}
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}
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QString fileLine(const QMessageLogContext &context)
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{
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if (!context.file) {
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return "";
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}
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return QString("%1:%2").arg(context.file).arg(context.line);
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}
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void messageHandler(QtMsgType type, const QMessageLogContext &context, const QString &message)
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{
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const auto fileLine = messages::fileLine(context);
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Logger::instance().handleMessage(type, fileLine, message);
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if (type == QtFatalMsg || type == QtCriticalMsg) {
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showErrorDialog(message, fileLine, type);
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}
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if (type == QtFatalMsg) {
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// developers: if you hit this line in your debugger, traverse the stack
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// to find the cause of the fatal error. important: crash the app on fatal
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// error to prevent the app being used in a broken state.
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//
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// hint: if you don't want to crash, but still want to show an error
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// message, use `qCritical()` instead of `qFatal()`. you should use
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// fatal errors when the app is in an unrecoverable state; i.e. it cannot
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// function correctly in it's current state and must be restarted.
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abort();
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}
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}
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void showCloseReminder(QWidget *parent)
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{
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QString message = QString(
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"<p>%1 will continue to run in the background and can be accessed "
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"via the %1 icon in your system notifications area. This "
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"setting "
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"can be disabled.</p>"
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)
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.arg(kAppName);
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#if defined(Q_OS_LINUX)
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message += QString(
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"<p>On some Linux systems such as GNOME 3, the "
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"notification area might be disabled. "
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"You may need to "
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R"(<a href="%1" %2>enable an extension</a>)"
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" to see the %3 tray icon.</p>"
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)
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.arg(kUrlGnomeTrayFix, kStyleLink, kAppName);
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#endif
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QMessageBox::information(parent, "Notification area icon", message);
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}
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void showFirstServerStartMessage(QWidget *parent)
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{
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QMessageBox::information(
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parent, "Server is running",
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QString(
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"<p>Great, the %1 server is now running.</p>"
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"<p>Now you can connect your client computers to this server. "
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"You should see a prompt here on the server when a new client "
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"tries to connect.</p>"
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)
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.arg(kAppName)
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);
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}
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void showFirstConnectedMessage(QWidget *parent, bool closeToTray, bool enableService, bool isServer)
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{
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auto message = QString("<p>%1 is now connected!</p>").arg(kAppName);
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if (isServer) {
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message += "<p>Try moving your mouse to your other computer. Once there, go ahead "
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"and type something.</p>"
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"<p>Don't forget, you can copy and paste between computers too.</p>";
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} else {
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message += "<p>Try controlling this computer remotely.</p>";
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}
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if (!closeToTray && !enableService) {
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message += QString(
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"<p>As you do not have the setting enabled to keep %1 running in "
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"the background, you'll need to keep this window open or minimized "
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"to keep %1 running.</p>"
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)
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.arg(kAppName);
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} else {
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message += QString(
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"<p>You can now close this window and %1 will continue to run in "
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"the background. This setting can be disabled.</p>"
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)
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.arg(kAppName);
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}
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QMessageBox::information(parent, "Connected", message);
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}
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void showClientConnectError(QWidget *parent, ClientError error, const QString &address)
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{
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using enum ClientError;
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auto message = QString("<p>The connection to server '%1' didn't work.</p>").arg(address);
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if (error == AlreadyConnected) {
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message += //
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"<p>Two of your client computers have the same name or there are "
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"two instances of the client process running.</p>"
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"<p>Please ensure that you're using a unique name and that only a "
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"single client process is running.</p>";
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} else if (error == HostnameError) {
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message += //
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"<p>Please try to connect to the server using the server IP address "
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"instead of the hostname. </p>"
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"<p>If that doesn't work, please check your TLS and "
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"firewall settings.</p>";
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} else if (error == GenericError) {
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message += //
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"<p>Please check your TLS and firewall settings.</p>";
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} else {
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qFatal("unknown client error");
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}
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QMessageBox dialog(parent);
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dialog.addButton(QObject::tr("Close"), QMessageBox::RejectRole);
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dialog.setText(message);
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dialog.exec();
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}
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NewClientPromptResult showNewClientPrompt(QWidget *parent, const QString &clientName, bool serverRequiresPeerAuth)
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{
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using enum NewClientPromptResult;
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if (serverRequiresPeerAuth) {
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// When peer auth is enabled you will be prompted to allow the connection before seeing this dialog.
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// This is why we do not show a dialog with an option to ignore the new client
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QMessageBox::information(
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parent, QString("New Client"),
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QString("A new client called '%1' has been accepted. You'll need to add it to your server's screen layout.")
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.arg(clientName)
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);
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return Add;
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} else {
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QMessageBox message(parent);
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const QPushButton *ignore = message.addButton("Ignore", QMessageBox::RejectRole);
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const QPushButton *add = message.addButton("Add client", QMessageBox::AcceptRole);
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message.setText(QString("A new client called '%1' wants to connect").arg(clientName));
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message.exec();
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if (message.clickedButton() == add) {
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return Add;
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} else if (message.clickedButton() == ignore) {
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return Ignore;
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} else {
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qFatal("no expected dialog button was clicked");
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abort();
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}
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}
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}
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bool showClearSettings(QWidget *parent)
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{
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QMessageBox message(parent);
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message.addButton(QObject::tr("Cancel"), QMessageBox::RejectRole);
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const auto clear = message.addButton(QObject::tr("Clear settings"), QMessageBox::AcceptRole);
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message.setText(QString(
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"<p>Are you sure you want to clear all settings and restart %1?</p>"
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"<p>This action cannot be undone.</p>"
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)
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.arg(kAppName));
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message.exec();
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return message.clickedButton() == clear;
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}
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void showReadOnlySettings(QWidget *parent, const QString &systemSettingsPath)
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{
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QString nativePath = QDir::toNativeSeparators(systemSettingsPath);
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QMessageBox::information(
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parent, "Read-only settings",
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QString(
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"<p>Settings are read-only because you only have read access "
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"to the file:</p><p>%1</p>"
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)
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.arg(nativePath)
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);
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}
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void showWaylandLibraryError(QWidget *parent)
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{
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QMessageBox::critical(
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parent, "Library problem",
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QString(
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"<p>Sorry, while this version of %1 does support Wayland, "
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"this build was not linked with one or more of the required "
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"libraries.</p>"
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"<p>Please either switch to X from your login screen or use a build "
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"that uses the correct libraries.</p>"
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"<p>If you think this is incorrect, please "
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R"(<a href="%2" style="color: %3">report a bug</a>.</p>)"
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"<p>Please check the logs for more information.</p>"
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)
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.arg(kAppName, kUrlHelp, kColorSecondary)
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);
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}
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bool showUpdateCheckOption(QWidget *parent)
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{
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QMessageBox message(parent);
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message.addButton(QObject::tr("No thanks"), QMessageBox::RejectRole);
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const auto checkButton = message.addButton(QObject::tr("Check for updates"), QMessageBox::AcceptRole);
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message.setText(QString(
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"<p>Would you like to check for updates when %1 starts?</p>"
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"<p>Checking for updates requires an Internet connection.</p>"
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"<p>URL: <pre>%2</pre></p>"
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)
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.arg(kAppName, Settings::value(Settings::Core::UpdateUrl).toString()));
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message.exec();
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return message.clickedButton() == checkButton;
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}
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bool showDaemonOffline(QWidget *parent)
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{
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QMessageBox message(parent);
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message.setIcon(QMessageBox::Warning);
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message.setWindowTitle(QObject::tr("Background service offline"));
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message.addButton(QObject::tr("Retry"), QMessageBox::AcceptRole);
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const auto ignore = message.addButton(QObject::tr("Ignore"), QMessageBox::RejectRole);
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const auto disable = message.addButton(QObject::tr("Disable"), QMessageBox::NoRole);
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message.setText(QString(
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"<p>There was a problem finding the %1 background service (daemon).</p>"
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"<p>The background service makes %1 work with UAC prompts and the login screen.</p>"
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"<p>If don't want to use the background service and intentionally stopped it, "
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"you can prevent it's use by disabling this feature.</p>"
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"<p>If you did not stop the background service intentionally, there may be a problem with it. "
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"Please retry or try restarting the %1 service from the Windows services program.</p>"
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)
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.arg(kAppName));
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message.exec();
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if (message.clickedButton() == ignore) {
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return false;
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} else if (message.clickedButton() == disable) {
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Settings::setValue(Settings::Core::ProcessMode, Settings::ProcessMode::Desktop);
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return false;
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}
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return true;
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}
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} // namespace deskflow::gui::messages
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