barrier/src/gui/src/MainWindow.cpp

865 lines
22 KiB
C++

/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2012 Bolton Software Ltd.
* Copyright (C) 2008 Volker Lanz (vl@fidra.de)
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file COPYING that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define DOWNLOAD_URL "http://synergy-foss.org/?source=gui"
#include <iostream>
#include "MainWindow.h"
#include "AboutDialog.h"
#include "ServerConfigDialog.h"
#include "SettingsDialog.h"
#include "SetupWizard.h"
#include <QtCore>
#include <QtGui>
#include <QtNetwork>
#include <QNetworkAccessManager>
#if defined(Q_OS_MAC)
#include <ApplicationServices/ApplicationServices.h>
#endif
#if defined(Q_OS_WIN)
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#endif
#if defined(Q_OS_WIN)
static const char synergyConfigName[] = "synergy.sgc";
static const QString synergyConfigFilter(QObject::tr("Synergy Configurations (*.sgc);;All files (*.*)"));
#else
static const char synergyConfigName[] = "synergy.conf";
static const QString synergyConfigFilter(QObject::tr("Synergy Configurations (*.conf);;All files (*.*)"));
#endif
static const char* synergyIconFiles[] =
{
":/res/icons/16x16/synergy-disconnected.png",
":/res/icons/16x16/synergy-disconnected.png",
":/res/icons/16x16/synergy-connected.png"
};
MainWindow::MainWindow(QSettings& settings, AppConfig& appConfig) :
m_Settings(settings),
m_AppConfig(appConfig),
m_pSynergy(NULL),
m_SynergyState(synergyDisconnected),
m_ServerConfig(&m_Settings, 5, 3),
m_pTempConfigFile(NULL),
m_pTrayIcon(NULL),
m_pTrayIconMenu(NULL),
m_AlreadyHidden(false),
m_ElevateProcess(false),
m_SuppressElevateWarning(false),
m_pMenuBar(NULL),
m_pMenuFile(NULL),
m_pMenuEdit(NULL),
m_pMenuWindow(NULL),
m_pMenuHelp(NULL)
{
setupUi(this);
createMenuBar();
loadSettings();
initConnections();
m_pWidgetUpdate->hide();
m_VersionChecker.setApp(appPath(appConfig.synergycName()));
m_pLabelScreenName->setText(getScreenName());
m_pLabelIpAddresses->setText(getIPAddresses());
updatePremiumInfo();
#if defined(Q_OS_WIN)
// ipc must always be enabled, so that we can disable command when switching to desktop mode.
connect(&m_IpcClient, SIGNAL(readLogLine(const QString&)), this, SLOT(appendLogRaw(const QString&)));
connect(&m_IpcClient, SIGNAL(errorMessage(const QString&)), this, SLOT(appendLogError(const QString&)));
connect(&m_IpcClient, SIGNAL(infoMessage(const QString&)), this, SLOT(appendLogNote(const QString&)));
m_IpcClient.connectToHost();
#else
// elevate checkbox is only useful on ms windows.
m_pElevateCheckBox->hide();
#endif
// change default size based on os
#if defined(Q_OS_MAC)
resize(720, 550);
setMinimumSize(size());
#elif defined(Q_OS_LINUX)
resize(700, 530);
setMinimumSize(size());
#endif
}
MainWindow::~MainWindow()
{
if (appConfig().processMode() == Desktop)
{
stopDesktop();
}
saveSettings();
}
void MainWindow::start(bool firstRun)
{
onModeChanged(!firstRun && appConfig().autoConnect(), false);
createTrayIcon();
// always show. auto-hide only happens when we have a connection.
showNormal();
m_VersionChecker.checkLatest();
}
void MainWindow::onModeChanged(bool startDesktop, bool applyService)
{
refreshApplyButton();
if (appConfig().processMode() == Service)
{
// form is always enabled in service mode.
setFormEnabled(true);
// ensure that the apply button actually does something, since desktop
// mode screws around with connecting/disconnecting the action.
disconnect(m_pButtonToggleStart, SIGNAL(clicked()), m_pActionStartSynergy, SLOT(trigger()));
connect(m_pButtonToggleStart, SIGNAL(clicked()), m_pActionStartSynergy, SLOT(trigger()));
if (applyService)
{
stopDesktop();
startSynergy();
}
}
else if ((appConfig().processMode() == Desktop) && startDesktop)
{
stopService();
startSynergy();
}
m_pElevateCheckBox->setEnabled(appConfig().processMode() == Service);
}
void MainWindow::refreshApplyButton()
{
m_pButtonApply->setEnabled(appConfig().processMode() == Service);
}
void MainWindow::setStatus(const QString &status)
{
m_pStatusLabel->setText(status);
}
void MainWindow::createTrayIcon()
{
m_pTrayIconMenu = new QMenu(this);
m_pTrayIconMenu->addAction(m_pActionStartSynergy);
m_pTrayIconMenu->addAction(m_pActionStopSynergy);
m_pTrayIconMenu->addSeparator();
m_pTrayIconMenu->addAction(m_pActionMinimize);
m_pTrayIconMenu->addAction(m_pActionRestore);
m_pTrayIconMenu->addSeparator();
m_pTrayIconMenu->addAction(m_pActionQuit);
m_pTrayIcon = new QSystemTrayIcon(this);
m_pTrayIcon->setContextMenu(m_pTrayIconMenu);
connect(m_pTrayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
this, SLOT(trayActivated(QSystemTrayIcon::ActivationReason)));
setIcon(synergyDisconnected);
m_pTrayIcon->show();
}
void MainWindow::retranslateMenuBar()
{
m_pMenuFile->setTitle(tr("&File"));
m_pMenuEdit->setTitle(tr("&Edit"));
m_pMenuWindow->setTitle(tr("&Window"));
m_pMenuHelp->setTitle(tr("&Help"));
}
void MainWindow::createMenuBar()
{
m_pMenuBar = new QMenuBar(this);
m_pMenuFile = new QMenu("", m_pMenuBar);
m_pMenuEdit = new QMenu("", m_pMenuBar);
m_pMenuWindow = new QMenu("", m_pMenuBar);
m_pMenuHelp = new QMenu("", m_pMenuBar);
retranslateMenuBar();
m_pMenuBar->addAction(m_pMenuFile->menuAction());
m_pMenuBar->addAction(m_pMenuEdit->menuAction());
#if !defined(Q_OS_MAC)
m_pMenuBar->addAction(m_pMenuWindow->menuAction());
#endif
m_pMenuBar->addAction(m_pMenuHelp->menuAction());
m_pMenuFile->addAction(m_pActionStartSynergy);
m_pMenuFile->addAction(m_pActionStopSynergy);
m_pMenuFile->addSeparator();
m_pMenuFile->addAction(m_pActionWizard);
m_pMenuFile->addAction(m_pActionSave);
m_pMenuFile->addSeparator();
m_pMenuFile->addAction(m_pActionQuit);
m_pMenuEdit->addAction(m_pActionSettings);
m_pMenuWindow->addAction(m_pActionMinimize);
m_pMenuWindow->addAction(m_pActionRestore);
m_pMenuHelp->addAction(m_pActionAbout);
setMenuBar(m_pMenuBar);
}
void MainWindow::loadSettings()
{
// the next two must come BEFORE loading groupServerChecked and groupClientChecked or
// disabling and/or enabling the right widgets won't automatically work
m_pRadioExternalConfig->setChecked(settings().value("useExternalConfig", false).toBool());
m_pRadioInternalConfig->setChecked(settings().value("useInternalConfig", true).toBool());
m_pGroupServer->setChecked(settings().value("groupServerChecked", false).toBool());
m_pLineEditConfigFile->setText(settings().value("configFile", QDir::homePath() + "/" + synergyConfigName).toString());
m_pGroupClient->setChecked(settings().value("groupClientChecked", true).toBool());
m_pLineEditHostname->setText(settings().value("serverHostname").toString());
m_SuppressElevateWarning = true;
m_pElevateCheckBox->setChecked(settings().value("elevateChecked", false).toBool());
m_SuppressElevateWarning = false;
}
void MainWindow::initConnections()
{
connect(m_pActionMinimize, SIGNAL(triggered()), this, SLOT(hide()));
connect(m_pActionRestore, SIGNAL(triggered()), this, SLOT(showNormal()));
connect(m_pActionStartSynergy, SIGNAL(triggered()), this, SLOT(startSynergy()));
connect(m_pActionStopSynergy, SIGNAL(triggered()), this, SLOT(stopSynergy()));
connect(m_pActionQuit, SIGNAL(triggered()), qApp, SLOT(quit()));
connect(&m_VersionChecker, SIGNAL(updateFound(const QString&)), this, SLOT(updateFound(const QString&)));
}
void MainWindow::saveSettings()
{
// program settings
settings().setValue("groupServerChecked", m_pGroupServer->isChecked());
settings().setValue("useExternalConfig", m_pRadioExternalConfig->isChecked());
settings().setValue("configFile", m_pLineEditConfigFile->text());
settings().setValue("useInternalConfig", m_pRadioInternalConfig->isChecked());
settings().setValue("groupClientChecked", m_pGroupClient->isChecked());
settings().setValue("serverHostname", m_pLineEditHostname->text());
settings().sync();
}
void MainWindow::setIcon(qSynergyState state)
{
QIcon icon;
icon.addFile(synergyIconFiles[state]);
if (m_pTrayIcon)
m_pTrayIcon->setIcon(icon);
}
void MainWindow::trayActivated(QSystemTrayIcon::ActivationReason reason)
{
if (reason == QSystemTrayIcon::DoubleClick)
{
if (isVisible())
{
hide();
}
else
{
showNormal();
activateWindow();
}
}
}
void MainWindow::logOutput()
{
if (m_pSynergy)
{
QString text(m_pSynergy->readAllStandardOutput());
foreach(QString line, text.split(QRegExp("\r|\n|\r\n")))
{
if (!line.isEmpty())
{
appendLogRaw(line);
}
}
}
}
void MainWindow::logError()
{
if (m_pSynergy)
{
appendLogRaw(m_pSynergy->readAllStandardError());
}
}
void MainWindow::updateFound(const QString &version)
{
m_pWidgetUpdate->show();
m_pLabelUpdate->setText(
tr("<p>Your version of Synergy is out of date. "
"Version <b>%1</b> is now available to "
"<a href=\"%2\">download</a>.</p>")
.arg(version).arg(DOWNLOAD_URL));
}
void MainWindow::appendLogNote(const QString& text)
{
appendLogRaw("NOTE: " + text);
}
void MainWindow::appendLogError(const QString& text)
{
appendLogRaw("ERROR: " + text);
}
void MainWindow::appendLogRaw(const QString& text)
{
foreach(QString line, text.split(QRegExp("\r|\n|\r\n"))) {
if (!line.isEmpty()) {
m_pLogOutput->append(line);
updateStateFromLogLine(line);
}
}
}
void MainWindow::updateStateFromLogLine(const QString &line)
{
// TODO: implement ipc connection state messages to replace this hack.
if (line.contains("started server") ||
line.contains("connected to server"))
{
setSynergyState(synergyConnected);
// only hide once after each new connection.
if (!m_AlreadyHidden && appConfig().autoHide())
{
hide();
m_AlreadyHidden = true;
}
}
}
void MainWindow::clearLog()
{
m_pLogOutput->clear();
}
void MainWindow::startSynergy()
{
// TODO: refactor this out into 2 methods.
bool desktopMode = appConfig().processMode() == Desktop;
bool serviceMode = appConfig().processMode() == Service;
if (desktopMode)
{
stopSynergy();
}
setSynergyState(synergyConnecting);
QString app;
QStringList args;
args << "-f" << "--no-tray" << "--debug" << appConfig().logLevelText();
if (!appConfig().screenName().isEmpty())
args << "--name" << appConfig().screenName();
if (appConfig().cryptoEnabled())
{
args << "--crypto-pass" << appConfig().cryptoPass();
}
if (desktopMode)
{
setSynergyProcess(new QProcess(this));
}
else
{
// tell client/server to talk to daemon through ipc.
args << "--ipc";
#if defined(Q_OS_WIN)
// tell the client/server to shut down when a ms windows desk
// is switched; this is because we may need to elevate or not
// based on which desk the user is in (login always needs
// elevation, where as default desk does not).
args << "--stop-on-desk-switch";
#endif
}
if (appConfig().isPremium())
{
args << "--enable-drag-drop";
}
if ((synergyType() == synergyClient && !clientArgs(args, app))
|| (synergyType() == synergyServer && !serverArgs(args, app)))
{
if (desktopMode)
{
stopSynergy();
return;
}
}
if (desktopMode)
{
connect(synergyProcess(), SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(synergyFinished(int, QProcess::ExitStatus)));
connect(synergyProcess(), SIGNAL(readyReadStandardOutput()), this, SLOT(logOutput()));
connect(synergyProcess(), SIGNAL(readyReadStandardError()), this, SLOT(logError()));
}
// put a space between last log output and new instance.
if (!m_pLogOutput->toPlainText().isEmpty())
appendLogRaw("");
appendLogNote("starting " + QString(synergyType() == synergyServer ? "server" : "client"));
// show command if debug log level...
if (appConfig().logLevel() >= 4) {
appendLogNote(QString("command: %1 %2").arg(app, args.join(" ")));
}
appendLogNote("config file: " + configFilename());
appendLogNote("log level: " + appConfig().logLevelText());
if (appConfig().logToFile())
appendLogNote("log file: " + appConfig().logFilename());
if (desktopMode)
{
synergyProcess()->start(app, args);
if (!synergyProcess()->waitForStarted())
{
stopSynergy();
show();
QMessageBox::warning(this, tr("Program can not be started"), QString(tr("The executable<br><br>%1<br><br>could not be successfully started, although it does exist. Please check if you have sufficient permissions to run this program.").arg(app)));
return;
}
}
if (serviceMode)
{
QString command(app + " " + args.join(" "));
m_IpcClient.sendCommand(command, m_ElevateProcess);
}
}
bool MainWindow::clientArgs(QStringList& args, QString& app)
{
app = appPath(appConfig().synergycName());
if (!QFile::exists(app))
{
show();
QMessageBox::warning(this, tr("Synergy client not found"),
tr("The executable for the synergy client does not exist."));
return false;
}
if (m_pLineEditHostname->text().isEmpty())
{
show();
QMessageBox::warning(this, tr("Hostname is empty"),
tr("Please fill in a hostname for the synergy client to connect to."));
return false;
}
if (appConfig().logToFile())
{
appConfig().persistLogDir();
args << "--log" << appConfig().logFilename();
}
args << m_pLineEditHostname->text() + ":" + QString::number(appConfig().port());
return true;
}
QString MainWindow::configFilename()
{
QString filename;
if (m_pRadioInternalConfig->isChecked())
{
// TODO: no need to use a temporary file, since we need it to
// be permenant (since it'll be used for Windows services, etc).
m_pTempConfigFile = new QTemporaryFile();
if (!m_pTempConfigFile->open())
{
QMessageBox::critical(this, tr("Cannot write configuration file"), tr("The temporary configuration file required to start synergy can not be written."));
return false;
}
serverConfig().save(*m_pTempConfigFile);
filename = m_pTempConfigFile->fileName();
m_pTempConfigFile->close();
}
else
{
if (!QFile::exists(m_pLineEditConfigFile->text()))
{
if (QMessageBox::warning(this, tr("Configuration filename invalid"),
tr("You have not filled in a valid configuration file for the synergy server. "
"Do you want to browse for the configuration file now?"), QMessageBox::Yes | QMessageBox::No) != QMessageBox::Yes
|| !on_m_pButtonBrowseConfigFile_clicked())
return false;
}
filename = m_pLineEditConfigFile->text();
}
return filename;
}
QString MainWindow::address()
{
return (!appConfig().interface().isEmpty() ? appConfig().interface() : "") + ":" + QString::number(appConfig().port());
}
QString MainWindow::appPath(const QString& name)
{
return appConfig().synergyProgramDir() + name;
}
bool MainWindow::serverArgs(QStringList& args, QString& app)
{
app = appPath(appConfig().synergysName());
if (!QFile::exists(app))
{
QMessageBox::warning(this, tr("Synergy server not found"),
tr("The executable for the synergy server does not exist."));
return false;
}
if (appConfig().logToFile())
{
appConfig().persistLogDir();
args << "--log" << appConfig().logFilename();
}
args << "-c" << configFilename() << "--address" << address();
return true;
}
void MainWindow::stopSynergy()
{
if (appConfig().processMode() == Service)
{
stopService();
}
else if (appConfig().processMode() == Desktop)
{
stopDesktop();
}
setSynergyState(synergyDisconnected);
// HACK: deleting the object deletes the physical file, which is
// bad, since it could be in use by the Windows service!
//delete m_pTempConfigFile;
m_pTempConfigFile = NULL;
// reset so that new connects cause auto-hide.
m_AlreadyHidden = false;
}
void MainWindow::stopService()
{
// send empty command to stop service from laucning anything.
m_IpcClient.sendCommand("", m_ElevateProcess);
}
void MainWindow::stopDesktop()
{
if (!synergyProcess()) {
return;
}
appendLogNote("stopping synergy desktop process");
if (synergyProcess()->isOpen())
synergyProcess()->close();
delete synergyProcess();
setSynergyProcess(NULL);
}
void MainWindow::synergyFinished(int exitCode, QProcess::ExitStatus)
{
// on Windows, we always seem to have an exit code != 0.
#if !defined(Q_OS_WIN)
if (exitCode != 0)
{
QMessageBox::critical(this, tr("Synergy terminated with an error"), QString(tr("Synergy terminated unexpectedly with an exit code of %1.<br><br>Please see the log output for details.")).arg(exitCode));
stopSynergy();
}
#else
Q_UNUSED(exitCode);
#endif
setSynergyState(synergyDisconnected);
}
void MainWindow::setSynergyState(qSynergyState state)
{
if (synergyState() == state)
return;
if (state == synergyConnected || state == synergyConnecting)
{
disconnect (m_pButtonToggleStart, SIGNAL(clicked()), m_pActionStartSynergy, SLOT(trigger()));
connect (m_pButtonToggleStart, SIGNAL(clicked()), m_pActionStopSynergy, SLOT(trigger()));
m_pButtonToggleStart->setText(tr("&Stop"));
}
else
{
disconnect (m_pButtonToggleStart, SIGNAL(clicked()), m_pActionStopSynergy, SLOT(trigger()));
connect (m_pButtonToggleStart, SIGNAL(clicked()), m_pActionStartSynergy, SLOT(trigger()));
m_pButtonToggleStart->setText(tr("&Start"));
}
bool connected = state == synergyConnected;
// only disable controls in desktop mode. in service mode, we can use the apply button.
if (appConfig().processMode() == Desktop)
{
setFormEnabled(!connected);
}
m_pActionStartSynergy->setEnabled(!connected);
m_pActionStopSynergy->setEnabled(connected);
switch (state)
{
case synergyConnected: {
QString mode(appConfig().processMode() == Service ? tr("service mode") : tr("desktop mode"));
setStatus(tr("Synergy is running (%1).").arg(mode));
break;
}
case synergyConnecting:
setStatus(tr("Synergy is starting."));
break;
case synergyDisconnected:
setStatus(tr("Synergy is not running."));
break;
}
setIcon(state);
m_SynergyState = state;
}
void MainWindow::setFormEnabled(bool enabled)
{
m_pGroupClient->setEnabled(enabled);
m_pGroupServer->setEnabled(enabled);
}
void MainWindow::setVisible(bool visible)
{
m_pActionMinimize->setEnabled(visible);
m_pActionRestore->setEnabled(!visible);
QMainWindow::setVisible(visible);
#if MAC_OS_X_VERSION_10_7
// dock hide only supported on lion :(
ProcessSerialNumber psn = { 0, kCurrentProcess };
GetCurrentProcess(&psn);
if (visible)
TransformProcessType(&psn, kProcessTransformToForegroundApplication);
else
TransformProcessType(&psn, kProcessTransformToBackgroundApplication);
#endif
}
QString MainWindow::getIPAddresses()
{
QList<QHostAddress> addresses = QNetworkInterface::allAddresses();
bool hinted = false;
QString result;
for (int i = 0; i < addresses.size(); i++) {
if (addresses[i].protocol() == QAbstractSocket::IPv4Protocol &&
addresses[i] != QHostAddress(QHostAddress::LocalHost)) {
QString address = addresses[i].toString();
QString format = "%1, ";
// usually 192.168.x.x is a useful ip for the user, so indicate
// this by making it bold.
if (!hinted && address.startsWith("192.168")) {
hinted = true;
format = "<b>%1</b>, ";
}
result += format.arg(address);
}
}
if (result == "") {
return tr("Unknown");
}
// remove trailing comma.
result.chop(2);
return result;
}
QString MainWindow::getScreenName()
{
if (appConfig().screenName() == "") {
return QHostInfo::localHostName();
}
else {
return appConfig().screenName();
}
}
void MainWindow::changeEvent(QEvent* event)
{
if (event != 0)
{
switch (event->type())
{
case QEvent::LanguageChange:
retranslateUi(this);
retranslateMenuBar();
updatePremiumInfo();
break;
default:
QMainWindow::changeEvent(event);
}
}
}
void MainWindow::updatePremiumInfo()
{
if (m_AppConfig.isPremium())
{
m_pWidgetPremium->hide();
setWindowTitle(tr("Synergy Premium"));
}
else
{
m_pWidgetPremium->show();
setWindowTitle(tr("Synergy"));
}
}
bool MainWindow::on_m_pButtonBrowseConfigFile_clicked()
{
QString fileName = QFileDialog::getOpenFileName(this, tr("Browse for a synergys config file"), QString(), synergyConfigFilter);
if (!fileName.isEmpty())
{
m_pLineEditConfigFile->setText(fileName);
return true;
}
return false;
}
bool MainWindow::on_m_pActionSave_triggered()
{
QString fileName = QFileDialog::getSaveFileName(this, tr("Save configuration as..."));
if (!fileName.isEmpty() && !serverConfig().save(fileName))
{
QMessageBox::warning(this, tr("Save failed"), tr("Could not save configuration to file."));
return true;
}
return false;
}
void MainWindow::on_m_pActionAbout_triggered()
{
AboutDialog dlg(this, appPath(appConfig().synergycName()));
dlg.exec();
}
void MainWindow::on_m_pActionSettings_triggered()
{
ProcessMode lastProcessMode = appConfig().processMode();
SettingsDialog dlg(this, appConfig());
dlg.exec();
if (lastProcessMode != appConfig().processMode())
{
onModeChanged(true, true);
}
}
void MainWindow::on_m_pButtonConfigureServer_clicked()
{
ServerConfigDialog dlg(this, serverConfig(), appConfig().screenName());
dlg.exec();
}
void MainWindow::on_m_pActionWizard_triggered()
{
SetupWizard wizard(*this, false);
wizard.exec();
updatePremiumInfo();
}
void MainWindow::on_m_pElevateCheckBox_toggled(bool checked)
{
if (checked && !m_SuppressElevateWarning) {
int r = QMessageBox::warning(
this, tr("Elevate Synergy"),
tr("Are you sure you want to elevate Synergy?\n\n"
"This allows Synergy to interact with elevated processes "
"and the UAC dialog, but can cause problems with non-elevated "
"processes. Elevate Synergy only if you really need to."),
QMessageBox::Yes | QMessageBox::No);
if (r != QMessageBox::Yes) {
m_pElevateCheckBox->setChecked(false);
return;
}
}
m_ElevateProcess = checked;
settings().setValue("elevateChecked", checked);
settings().sync();
}
void MainWindow::on_m_pButtonApply_clicked()
{
startSynergy();
}