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/*
* Copyright (c) 2012-2015 Christian Surlykke
*
* This file is part of qt-lightdm-greeter
* It is distributed under the LGPL 2.1 or later license.
* Please refer to the LICENSE file for a copy of the license.
*/
#include <QDebug>
#include <QCompleter>
#include <QAbstractListModel>
#include <QModelIndex>
#include <QFile>
#include <QTextStream>
#include <QStringList>
#include <QPixmap>
#include <QMessageBox>
#include <QMenu>
#include <QProcess>
#include <QLightDM/UsersModel>
#include <QMetaMethod>
#include "loginform.h"
#include "ui_loginform.h"
#include "settings.h"
const int KeyRole = QLightDM::SessionsModel::KeyRole;
int rows(QAbstractItemModel& model) {
return model.rowCount(QModelIndex());
}
QString displayData(QAbstractItemModel& model, int row, int role)
{
QModelIndex modelIndex = model.index(row, 0);
return model.data(modelIndex, role).toString();
}
LoginForm::LoginForm(QWidget *parent) :
QWidget(parent),
ui(new Ui::LoginForm),
m_Greeter(),
power(this),
sessionsModel()
{
if (!m_Greeter.connectSync()) {
close();
}
ui->setupUi(this);
initialize();
}
LoginForm::~LoginForm()
{
delete ui;
}
void LoginForm::setFocus(Qt::FocusReason reason)
{
if (ui->userInput->text().isEmpty()) {
ui->userInput->setFocus(reason);
} else {
ui->passwordInput->setFocus(reason);
}
}
void LoginForm::initialize()
{
QPixmap icon(":/resources/rqt-2.png"); // This project came from Razor-qt
ui->iconLabel->setPixmap(icon.scaled(ui->iconLabel->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation));
ui->hostnameLabel->setText(m_Greeter.hostname());
ui->sessionCombo->setModel(&sessionsModel);
addLeaveEntry(power.canShutdown(), "system-shutdown", tr("Shutdown"), "shutdown");
addLeaveEntry(power.canRestart(), "system-reboot", tr("Restart"), "restart");
addLeaveEntry(power.canHibernate(), "system-suspend-hibernate", tr("Hibernate"), "hibernate");
addLeaveEntry(power.canSuspend(), "system-suspend", tr("Suspend"), "suspend");
ui->leaveComboBox->setDisabled(ui->leaveComboBox->count() <= 1);
ui->sessionCombo->setCurrentIndex(0);
setCurrentSession(m_Greeter.defaultSessionHint());
connect(ui->userInput, SIGNAL(editingFinished()), this, SLOT(userChanged()));
connect(ui->leaveComboBox, SIGNAL(activated(int)), this, SLOT(leaveDropDownActivated(int)));
connect(&m_Greeter, SIGNAL(showPrompt(QString, QLightDM::Greeter::PromptType)), this, SLOT(onPrompt(QString, QLightDM::Greeter::PromptType)));
connect(&m_Greeter, SIGNAL(authenticationComplete()), this, SLOT(authenticationComplete()));
ui->passwordInput->setEnabled(false);
ui->passwordInput->clear();
if (! m_Greeter.hideUsersHint()) {
QStringList knownUsers;
QLightDM::UsersModel usersModel;
for (int i = 0; i < usersModel.rowCount(QModelIndex()); i++) {
knownUsers << usersModel.data(usersModel.index(i, 0), QLightDM::UsersModel::NameRole).toString();
}
ui->userInput->setCompleter(new QCompleter(knownUsers));
ui->userInput->completer()->setCompletionMode(QCompleter::InlineCompletion);
}
QString user = Cache().getLastUser();
if (user.isEmpty()) {
user = m_Greeter.selectUserHint();
}
ui->userInput->setText(user);
userChanged();
}
void LoginForm::userChanged()
{
setCurrentSession(Cache().getLastSession(ui->userInput->text()));
if (m_Greeter.inAuthentication()) {
m_Greeter.cancelAuthentication();
}
if (! ui->userInput->text().isEmpty()) {
m_Greeter.authenticate(ui->userInput->text());
ui->passwordInput->setFocus();
}
else {
ui->userInput->setFocus();
}
}
void LoginForm::leaveDropDownActivated(int index)
{
QString actionName = ui->leaveComboBox->itemData(index).toString();
if (actionName == "shutdown") power.shutdown();
else if (actionName == "restart") power.restart();
else if (actionName == "hibernate") power.hibernate();
else if (actionName == "suspend") power.suspend();
}
void LoginForm::respond()
{
m_Greeter.respond(ui->passwordInput->text().trimmed());
ui->passwordInput->clear();
ui->passwordInput->setEnabled(false);
}
void LoginForm::onPrompt(QString prompt, QLightDM::Greeter::PromptType promptType)
{
ui->passwordInput->setEnabled(true);
ui->passwordInput->setFocus();
}
void LoginForm::addLeaveEntry(bool canDo, QString iconName, QString text, QString actionName)
{
if (canDo) {
ui->leaveComboBox->addItem(QIcon::fromTheme(iconName), text, actionName);
}
}
QString LoginForm::currentSession()
{
QModelIndex index = sessionsModel.index(ui->sessionCombo->currentIndex(), 0, QModelIndex());
return sessionsModel.data(index, QLightDM::SessionsModel::KeyRole).toString();
}
void LoginForm::setCurrentSession(QString session)
{
for (int i = 0; i < ui->sessionCombo->count(); i++) {
if (session == sessionsModel.data(sessionsModel.index(i, 0), KeyRole).toString()) {
ui->sessionCombo->setCurrentIndex(i);
return;
}
}
}
void LoginForm::authenticationComplete()
{
if (m_Greeter.isAuthenticated()) {
Cache().setLastUser(ui->userInput->text());
Cache().setLastSession(ui->userInput->text(), currentSession());
Cache().sync();
m_Greeter.startSessionSync(currentSession());
}
else {
ui->passwordInput->clear();
userChanged();
}
}
void LoginForm::keyPressEvent(QKeyEvent *event)
{
if (event->key() == Qt::Key_Return || event->key() == Qt::Key_Enter) {
respond();
}
else {
QWidget::keyPressEvent(event);
}
}
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