kde-workspace/kdm/kfrontend/kdmshutdown.cpp
Ivailo Monev 86873898d3 generic: misc cleanups
Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
2016-11-01 22:02:06 +00:00

733 lines
21 KiB
C++

/*
Shutdown dialog
Copyright (C) 1997, 1998, 2000 Steffen Hansen <hansen@kde.org>
Copyright (C) 2000-2003,2005 Oswald Buddenhagen <ossi@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "kdmshutdown.h"
#include "kdm_greet.h"
#include "utils.h"
#include <kdialog.h>
#include <klocale.h>
#include <kseparator.h>
#include <kstandarddirs.h>
#include <KStandardGuiItem>
#include <kuser.h>
#include <QAction>
#include <QApplication>
#include <QCheckBox>
#include <QComboBox>
#include <QDateTime>
#include <QFrame>
#include <QGroupBox>
#include <QHeaderView>
#include <QLabel>
#include <QLineEdit>
#include <QMenu>
#include <QStylePainter>
#include <QStyle>
#include <QTreeWidget>
#include <QProcess>
#include <stdlib.h>
int KDMShutdownBase::curPlugin = -1;
PluginList KDMShutdownBase::pluginList;
KDMShutdownBase::KDMShutdownBase(int _uid, QWidget *_parent)
: inherited(_parent)
, box(new QVBoxLayout(this))
#ifdef HAVE_VTS
, willShut(true)
#endif
, mayNuke(false)
, doesNuke(false)
, mayOk(true)
, maySched(false)
, rootlab(0)
, verify(0)
, needRoot(-1)
, uid(_uid)
{
}
KDMShutdownBase::~KDMShutdownBase()
{
hide();
delete verify;
}
void
KDMShutdownBase::complete(QWidget *prevWidget)
{
QSizePolicy fp(QSizePolicy::Fixed, QSizePolicy::Fixed);
if (uid &&
((willShut && _allowShutdown == SHUT_ROOT) ||
(mayNuke && _allowNuke == SHUT_ROOT)))
{
rootlab = new QLabel(i18n("Root authorization required."), this);
box->addWidget(rootlab);
if (curPlugin < 0) {
curPlugin = 0;
pluginList = KGVerify::init(_pluginsShutdown);
}
verify = new KGStdVerify(this, this,
prevWidget, "root",
pluginList, KGreeterPlugin::Authenticate,
KGreeterPlugin::Shutdown);
verify->selectPlugin(curPlugin);
box->addLayout(verify->getLayout());
QAction *action = new QAction(this);
action->setShortcut(Qt::ALT + Qt::Key_A);
connect(action, SIGNAL(triggered(bool)), SLOT(slotActivatePlugMenu()));
}
box->addWidget(new KSeparator(Qt::Horizontal, this));
QBoxLayout *hlay = new QHBoxLayout();
box->addLayout(hlay);
hlay->addStretch(1);
if (mayOk) {
okButton = new KPushButton(KStandardGuiItem::ok(), this);
okButton->setSizePolicy(fp);
okButton->setDefault(true);
hlay->addWidget(okButton);
hlay->addStretch(1);
connect(okButton, SIGNAL(clicked()), SLOT(accept()));
}
if (maySched) {
KPushButton *schedButton =
new KPushButton(KGuiItem(i18nc("@action:inmenu verb", "&Schedule...")), this);
schedButton->setSizePolicy(fp);
hlay->addWidget(schedButton);
hlay->addStretch(1);
connect(schedButton, SIGNAL(clicked()), SLOT(slotSched()));
}
cancelButton = new KPushButton(KStandardGuiItem::cancel(), this);
cancelButton->setSizePolicy(fp);
if (!mayOk)
cancelButton->setDefault(true);
hlay->addWidget(cancelButton);
hlay->addStretch(1);
connect(cancelButton, SIGNAL(clicked()), SLOT(reject()));
updateNeedRoot();
adjustSize();
layout()->activate();
}
void
KDMShutdownBase::slotActivatePlugMenu()
{
if (needRoot) {
QMenu *cmnu = verify->getPlugMenu();
if (!cmnu)
return;
QSize sh(cmnu->sizeHint() / 2);
cmnu->exec(geometry().center() - QPoint(sh.width(), sh.height()));
}
}
void
KDMShutdownBase::accept()
{
if (needRoot == 1)
verify->accept();
else
accepted();
}
void
KDMShutdownBase::slotSched()
{
done(Schedule);
}
void
KDMShutdownBase::updateNeedRoot()
{
int nNeedRoot = uid &&
(((willShut && _allowShutdown == SHUT_ROOT) ||
(_allowNuke == SHUT_ROOT && doesNuke)));
if (verify && nNeedRoot != needRoot) {
if (needRoot == 1)
verify->abort();
needRoot = nNeedRoot;
rootlab->setEnabled(needRoot);
verify->setEnabled(needRoot);
if (needRoot)
verify->start();
}
}
void
KDMShutdownBase::accepted()
{
inherited::done(needRoot ? (int)Authed : (int)Accepted);
}
void
KDMShutdownBase::verifyPluginChanged(int id)
{
curPlugin = id;
adjustSize();
}
void
KDMShutdownBase::verifyOk()
{
accepted();
}
void
KDMShutdownBase::verifyFailed()
{
okButton->setEnabled(false);
cancelButton->setEnabled(false);
}
void
KDMShutdownBase::verifyRetry()
{
okButton->setEnabled(true);
cancelButton->setEnabled(true);
}
void
KDMShutdownBase::verifySetUser(const QString &)
{
}
static void
doShutdown(int type, const QString &os)
{
gSet(1);
gSendInt(G_Shutdown);
gSendInt(type);
gSendInt(0);
gSendInt(0);
gSendInt(SHUT_FORCE);
gSendInt(0); /* irrelevant, will timeout immediately anyway */
gSendStr(os.toUtf8().data());
gSet(0);
}
static bool
getBootOptions(QStringList *options, int *defaultTarget, int *oldTarget)
{
bool ret = false;
gSet(1);
gSendInt(G_ListBootOpts);
if (gRecvInt() == BO_OK) {
*options = qStringList(gRecvStrArr(0));
*defaultTarget = gRecvInt();
*oldTarget = gRecvInt();
ret = true;
}
gSet(0);
return ret;
}
KDMShutdown::KDMShutdown(int _uid, QWidget *_parent)
: inherited(_uid, _parent)
{
QSizePolicy fp(QSizePolicy::Fixed, QSizePolicy::Fixed);
QHBoxLayout *hlay = new QHBoxLayout();
box->addLayout(hlay);
howGroup = new QGroupBox(i18n("Shutdown Type"), this);
hlay->addWidget(howGroup, 0, Qt::AlignTop);
QRadioButton *rb;
rb = new KDMRadioButton(i18n("&Turn off computer"), howGroup);
rb->setChecked(true);
rb->setFocus();
restart_rb = new KDMRadioButton(i18n("&Restart computer"), howGroup);
QBoxLayout *hwlay = new QVBoxLayout(howGroup);
hwlay->addWidget(rb);
hwlay->addWidget(restart_rb);
connect(rb, SIGNAL(doubleClicked()), SLOT(accept()));
connect(restart_rb, SIGNAL(doubleClicked()), SLOT(accept()));
QStringList options;
int defaultTarget;
if (getBootOptions(&options, &defaultTarget, &oldTarget)) { /* XXX show dialog on failure */
targets = new QComboBox();
targets->addItems(options);
targets->setCurrentIndex(oldTarget == -1 ? defaultTarget : oldTarget);
QHBoxLayout *hb = new QHBoxLayout();
hwlay->addLayout(hb);
hb->addSpacing(
style()->pixelMetric(QStyle::PM_ExclusiveIndicatorWidth)
+ hb->spacing());
hb->addWidget(targets);
connect(targets, SIGNAL(activated(int)), SLOT(slotTargetChanged()));
}
howGroup->setSizePolicy(fp);
schedGroup = new QGroupBox(i18nc("@title:group ... of shutdown", "Scheduling"), this);
hlay->addWidget(schedGroup, 0, Qt::AlignTop);
le_start = new QLineEdit(schedGroup);
QLabel *lab1 = new QLabel(i18n("&Start:"), schedGroup);
lab1->setBuddy(le_start);
le_timeout = new QLineEdit(schedGroup);
QLabel *lab2 = new QLabel(i18n("T&imeout:"), schedGroup);
lab2->setBuddy(le_timeout);
cb_force = new QCheckBox(i18n("&Force after timeout"), schedGroup);
if (_allowNuke != SHUT_NONE) {
connect(cb_force, SIGNAL(clicked()), SLOT(slotWhenChanged()));
mayNuke = true;
} else {
cb_force->setEnabled(false);
}
QGridLayout *grid = new QGridLayout(schedGroup);
grid->addWidget(lab1, 0, 0, Qt::AlignRight);
grid->addWidget(le_start, 0, 1);
grid->addWidget(lab2, 1, 0, Qt::AlignRight);
grid->addWidget(le_timeout, 1, 1);
grid->addWidget(cb_force, 2, 0, 1, 2);
schedGroup->setSizePolicy(fp);
le_start->setText("0");
if (_defSdMode == SHUT_SCHEDULE) {
le_timeout->setText("-1");
} else {
le_timeout->setText("0");
if (_defSdMode == SHUT_FORCENOW && cb_force->isEnabled())
cb_force->setChecked(true);
}
complete(schedGroup);
}
static int
getDate(const char *str)
{
QProcess prc;
prc.setReadChannel(QProcess::StandardOutput);
if (prc.execute("/bin/date", QStringList() << "+%s" << "-d" << str))
return -1;
return prc.readAll().simplified().toInt();
}
void
KDMShutdown::accept()
{
if (le_start->text() == "0" || le_start->text() == "now") {
sch_st = time(0);
} else if (le_start->text()[0] == '+') {
sch_st = time(0) + le_start->text().toInt();
} else if ((sch_st = getDate(le_start->text().toLatin1())) < 0) {
KFMsgBox::box(this, errorbox, i18n("Entered start date is invalid."));
le_start->setFocus();
return;
}
if (le_timeout->text() == "-1" || le_timeout->text().startsWith("inf")) {
sch_to = TO_INF;
} else if (le_timeout->text()[0] == '+') {
sch_to = sch_st + le_timeout->text().toInt();
} else if ((sch_to = getDate(le_timeout->text().toLatin1())) < 0) {
KFMsgBox::box(this, errorbox, i18n("Entered timeout date is invalid."));
le_timeout->setFocus();
return;
}
inherited::accept();
}
void
KDMShutdown::slotTargetChanged()
{
restart_rb->setChecked(true);
}
void
KDMShutdown::slotWhenChanged()
{
doesNuke = cb_force->isChecked();
updateNeedRoot();
}
void
KDMShutdown::accepted()
{
gSet(1);
gSendInt(G_Shutdown);
gSendInt(restart_rb->isChecked() ? SHUT_REBOOT : SHUT_HALT);
gSendInt(sch_st);
gSendInt(sch_to);
gSendInt(cb_force->isChecked() ? SHUT_FORCE : SHUT_CANCEL);
gSendInt(_allowShutdown == SHUT_ROOT ? 0 : -2);
gSendStr((restart_rb->isChecked() &&
targets && targets->currentIndex() != oldTarget) ?
targets->currentText().toLocal8Bit().data() : 0);
gSet(0);
inherited::accepted();
}
void
KDMShutdown::scheduleShutdown(QWidget *_parent)
{
gSet(1);
gSendInt(G_QueryShutdown);
int how = gRecvInt();
int start = gRecvInt();
int timeout = gRecvInt();
int force = gRecvInt();
int uid = gRecvInt();
char *os = gRecvStr();
gSet(0);
if (how) {
int ret =
KDMCancelShutdown(how, start, timeout, force, uid, os,
_parent).exec();
if (!ret)
return;
doShutdown(0, QString());
uid = ret == Authed ? 0 : -1;
} else {
uid = -1;
}
free(os);
KDMShutdown(uid, _parent).exec();
}
KDMRadioButton::KDMRadioButton(const QString &label, QWidget *parent)
: inherited(label, parent)
{
}
void
KDMRadioButton::mouseDoubleClickEvent(QMouseEvent *)
{
emit doubleClicked();
}
KDMDelayedPushButton::KDMDelayedPushButton(const KGuiItem &item, QWidget *parent)
: inherited(item, parent)
{
popt.setSingleShot(true);
popt.setInterval(style()->styleHint(QStyle::SH_ToolButton_PopupDelay, 0, this));
}
void KDMDelayedPushButton::setDelayedMenu(QMenu *p)
{
setMenu(p);
disconnect(this, 0, this, 0); // Internal button -> popup connection
if (p) {
connect(this, SIGNAL(pressed()), &popt, SLOT(start()));
connect(this, SIGNAL(released()), &popt, SLOT(stop()));
connect(&popt, SIGNAL(timeout()), SLOT(showMenu()));
}
}
KDMSlimShutdown::KDMSlimShutdown(QWidget *_parent)
: inherited(_parent)
{
QHBoxLayout *hbox = new QHBoxLayout(this);
QFrame *lfrm = new QFrame(this);
hbox->addWidget(lfrm, Qt::AlignCenter);
QLabel *icon = new QLabel(lfrm);
icon->setPixmap(QPixmap(KStandardDirs::locate("data", "kdm/pics/shutdown.png")));
icon->setFixedSize(icon->sizeHint());
lfrm->setFixedSize(icon->sizeHint());
QVBoxLayout *buttonlay = new QVBoxLayout();
hbox->addLayout(buttonlay);
buttonlay->addStretch(1);
KPushButton *btnHalt = new
KPushButton(KGuiItem(i18n("&Turn Off Computer"), "system-shutdown"), this);
buttonlay->addWidget(btnHalt);
connect(btnHalt, SIGNAL(clicked()), SLOT(slotHalt()));
buttonlay->addSpacing(KDialog::spacingHint());
KDMDelayedPushButton *btnReboot = new
KDMDelayedPushButton(KGuiItem(i18n("&Restart Computer"), "system-reboot"), this);
buttonlay->addWidget(btnReboot);
connect(btnReboot, SIGNAL(clicked()), SLOT(slotReboot()));
int dummy, cur;
if (getBootOptions(&targetList, &dummy, &cur)) {
QMenu *targets = new QMenu(this);
for (int i = 0; i < targetList.size(); i++)
(targets->addAction(i == cur ?
i18nc("current option in boot loader",
"%1 (current)", targetList[i]) :
targetList[i]))->setData(i);
btnReboot->setDelayedMenu(targets);
connect(targets, SIGNAL(triggered(QAction*)),
SLOT(slotReboot(QAction*)));
}
buttonlay->addStretch(1);
if (_scheduledSd != SHUT_NEVER) {
KPushButton *btnSched = new
KPushButton(KGuiItem(i18nc("@action:button verb", "&Schedule...")), this);
buttonlay->addWidget(btnSched);
connect(btnSched, SIGNAL(clicked()), SLOT(slotSched()));
buttonlay->addStretch(1);
}
buttonlay->addWidget(new KSeparator(this));
buttonlay->addSpacing(0);
KPushButton *btnBack = new KPushButton(KStandardGuiItem::cancel(), this);
buttonlay->addWidget(btnBack);
connect(btnBack, SIGNAL(clicked()), SLOT(reject()));
buttonlay->addSpacing(KDialog::spacingHint());
}
void
KDMSlimShutdown::slotSched()
{
reject();
KDMShutdown::scheduleShutdown();
}
void
KDMSlimShutdown::slotHalt()
{
if (checkShutdown(SHUT_HALT, QString()))
doShutdown(SHUT_HALT, QString());
}
void
KDMSlimShutdown::slotReboot()
{
if (checkShutdown(SHUT_REBOOT, QString()))
doShutdown(SHUT_REBOOT, QString());
}
void
KDMSlimShutdown::slotReboot(QAction *action)
{
int opt = action->data().toInt();
if (checkShutdown(SHUT_REBOOT, targetList[opt]))
doShutdown(SHUT_REBOOT, targetList[opt]);
}
bool
KDMSlimShutdown::checkShutdown(int type, const QString &os)
{
reject();
QList<DpySpec> sess = fetchSessions(lstRemote | lstTTY);
if (sess.isEmpty() && _allowShutdown != SHUT_ROOT)
return true;
int ret = KDMConfShutdown(-1, sess, type, os).exec();
if (ret == Schedule) {
KDMShutdown::scheduleShutdown();
return false;
}
return ret;
}
void
KDMSlimShutdown::externShutdown(int type, const QString &os, int uid, bool ask)
{
QList<DpySpec> sess = fetchSessions(lstRemote | lstTTY);
if (ask || !sess.isEmpty() || (uid && _allowShutdown == SHUT_ROOT)) {
int ret = KDMConfShutdown(uid, sess, type, os).exec();
if (ret == Schedule) {
KDMShutdown(uid).exec();
return;
} else if (!ret) {
return;
}
}
doShutdown(type, os);
}
#define SHUT_CONSOLE_HELP I18N_NOOP(\
"<br/>Switching to console mode will terminate all local X servers and" \
" leave you with console logins only. Graphical mode is automatically" \
" resumed 10 seconds after the last console session ends or after" \
" 40 seconds if no-one logs in in the first place.<br/>")
KDMConfShutdown::KDMConfShutdown(int _uid, const QList<DpySpec> &sessions, int type,
const QString &os, QWidget *_parent)
: inherited(_uid, _parent)
{
#ifdef HAVE_VTS
if (type == SHUT_CONSOLE)
willShut = false;
#endif
QLabel *lbl = new QLabel(QString("<qt><center><b><nobr>"
"%1%2"
"</nobr></b></center>"
#ifdef HAVE_VTS
"%3"
#endif
"</qt>")
.arg((type == SHUT_HALT) ?
i18n("Turn Off Computer") :
#ifdef HAVE_VTS
(type == SHUT_CONSOLE) ?
i18n("Switch to Console") :
#endif
i18n("Restart Computer"))
.arg(!os.isEmpty() ?
i18n("<br/>(Next boot: %1)", os) :
QString())
#ifdef HAVE_VTS
.arg((type == SHUT_CONSOLE) ?
i18n(SHUT_CONSOLE_HELP) :
QString())
#endif
);
lbl->setWordWrap(true);
box->addWidget(lbl);
if (!sessions.isEmpty()) {
if (willShut && _scheduledSd != SHUT_NEVER)
maySched = true;
mayNuke = doesNuke = true;
if (_allowNuke == SHUT_NONE)
mayOk = false;
QLabel *lab = new QLabel(mayOk ?
i18n("Abort active sessions:") :
i18n("No permission to abort active sessions:"),
this);
box->addWidget(lab);
QTreeWidget *lv = new QTreeWidget(this);
lv->setRootIsDecorated(false);
lv->setSelectionMode(QAbstractItemView::NoSelection);
lv->setAllColumnsShowFocus(true);
lv->setUniformRowHeights(true);
lv->setEditTriggers(QAbstractItemView::NoEditTriggers);
lv->setColumnCount(2);
lv->setHeaderLabels(QStringList()
<< i18nc("@title:column", "Session")
<< i18nc("@title:column ... of session", "Location"));
int ns = 0;
QString user, loc;
foreach (const DpySpec &sess, sessions) {
decodeSession(sess, user, loc);
new QTreeWidgetItem(lv, QStringList() << user << loc);
ns++;
}
int fw = lv->frameWidth() * 2;
int hh = lv->header()->sizeHint().height();
int ih = lv->itemDelegate()->sizeHint(
QStyleOptionViewItem(), lv->model()->index(0, 0)).height();
lv->setFixedHeight(fw + hh + ih * (ns < 3 ? 3 : ns > 10 ? 10 : ns));
box->addWidget(lv);
complete(lv);
int cw[2];
for (int i = 0; i < 2; i++)
cw[i] = qMax(static_cast<QAbstractItemView *>(lv)->sizeHintForColumn(i),
lv->header()->sectionSizeHint(i));
int w = lv->maximumViewportSize().width(), w2 = w / 2;
int m = (w < cw[0] + cw[1]) ?
(cw[0] + (w - cw[1])) / 2 :
(cw[0] > w2) ? cw[0] : (cw[1] > w2) ? (w - cw[1]) : w2;
lv->header()->resizeSection(0, m);
} else {
complete(0);
}
}
KDMCancelShutdown::KDMCancelShutdown(int how, int start, int timeout,
int force, int uid, const QString &os,
QWidget *_parent)
: inherited(-1, _parent)
{
if (force == SHUT_FORCE) {
if (_allowNuke == SHUT_NONE)
mayOk = false;
else if (_allowNuke == SHUT_ROOT)
mayNuke = doesNuke = true;
}
QLabel *lab = new QLabel(mayOk ?
i18n("Cancel pending shutdown:") :
i18n("No permission to cancel pending shutdown:"),
this);
box->addWidget(lab);
QDateTime qdt;
QString strt, end;
if (start < time(0)) {
strt = i18nc("start of shutdown:", "now");
} else {
qdt.setTime_t(start);
strt = qdt.toString(Qt::LocalDate);
}
if (timeout == TO_INF) {
end = i18nc("timeout of shutdown:", "infinite");
} else {
qdt.setTime_t(timeout);
end = qdt.toString(Qt::LocalDate);
}
QString trg =
i18n("Owner: %1"
"\nType: %2%5"
"\nStart: %3"
"\nTimeout: %4",
uid == -2 ?
i18nc("owner of shutdown:", "console user") :
uid == -1 ?
i18nc("owner of shutdown:", "control socket") :
KUser(uid).loginName() ,
how == SHUT_HALT ?
i18n("turn off computer") :
i18n("restart computer") ,
strt, end ,
!os.isEmpty() ?
i18n("\nNext boot: %1", os) :
QString());
if (timeout != TO_INF)
trg += i18n("\nAfter timeout: %1",
force == SHUT_FORCE ?
i18nc("after timeout:", "abort all sessions") :
force == SHUT_FORCEMY ?
i18nc("after timeout:", "abort own sessions") :
i18nc("after timeout:", "cancel shutdown"));
lab = new QLabel(trg, this);
box->addWidget(lab);
complete(0);
}
#include "moc_kdmshutdown.cpp"