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Diffstat (limited to 'src/loginform.cpp')
| -rw-r--r-- | src/loginform.cpp | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/loginform.cpp b/src/loginform.cpp new file mode 100644 index 0000000..3f40e81 --- /dev/null +++ b/src/loginform.cpp @@ -0,0 +1,197 @@ +/* +* 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); + } +} + |