summaryrefslogtreecommitdiffstats
path: root/src/saverwidget.cpp
blob: d7f3a74965bcdfecd3452789d5a0d88d5ab54048 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
#include "saverwidget.h"
#include "ui_saver.h"
#include "screensaver.h"
#include "deadlinetype.h"
#include "config.h"

#include <QTimer>
#include <QX11Info>
#include <QDateTime>
#include <QSettings>
#include <QFile>
#include <X11/Xlib.h>

static const QChar C_ZERO('0');

static QString formatTime(qlonglong span)
{
    QString ret;
    qlonglong days = span / 86400;
    if (days > 0) {
        ret = QString::number(days) + "d ";
        span += 86400 * days;
    }
    return ret + QString("%1:%2:%3").arg(span / 3600, 2, 10, C_ZERO).arg((span % 3600) / 60, 2, 10, C_ZERO).arg(span % 60, 2, 10, C_ZERO);
}

SaverWidget::SaverWidget(WId parentWinId, QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Saver),
    _parentWinId(parentWinId),
    _lastMouseFake(0),
    _logoutDeadline(0),
    _shutdownDeadline(0),
    _counter(0),
    _deadlineType(DeadlineType::Unknown),
    _standbyDisabled(false),
    _isLocked(false)
{
    ui->setupUi(this);
    QString qss = Config::getMainQss();
    if (!qss.isEmpty()) {
        this->setStyleSheet(qss);
    }
    QTimer *t = new QTimer(this);
    t->setInterval(1000);
    connect(t, &QTimer::timeout, [=]() {
        if (_counter % 60 == 0) {
            this->reloadValues();
        }
        if (_counter % 4 == 0) {
            _isLocked = ScreenSaver::isLocked();
        }
        _counter++;
        qlonglong now = QDateTime::currentMSecsSinceEpoch() / 1000;
        // Determine what's timing out next (session/schedule)
        const DeadlineType *type;
        qlonglong remaining = 0;
        do {
            qlonglong shutdownRemaining = _shutdownDeadline - now;
            qlonglong logoutRemaining = _logoutDeadline - now;
            if (shutdownRemaining > -330 && (shutdownRemaining < logoutRemaining || logoutRemaining <= -330)) {
                type = DeadlineType::Shutdown;
                remaining = shutdownRemaining;
            } else if (logoutRemaining > -330) {
                type = DeadlineType::IdleKill;
                remaining = logoutRemaining;
            } else {
                type = DeadlineType::NoTimeout;
            }
        } while (0);
        if (remaining < 0) {
            remaining = 0;
        }
        ui->lblHeader->setText(type->headerLine(_isLocked).arg(formatTime(remaining)));
        ui->lblClock->setText(QDateTime::currentDateTime().toString(QLocale().dateFormat() + "  HH:mm "));
        if (_deadlineType != type) {
            _deadlineType = type;
            ui->lblText->setText(type->bodyText(_isLocked));
        }
        bool shouldDisable = (remaining > 0 && remaining < 310);
        if (_standbyDisabled != shouldDisable) {
            _standbyDisabled = shouldDisable;
            if (shouldDisable) {
                ScreenSaver::allowSaverAndStandby(false);
                ScreenSaver::forceScreenOn();
            } else {
                ScreenSaver::allowSaverAndStandby(true);
            }
        }
    });
    t->start();
    reloadValues();
}

SaverWidget::~SaverWidget()
{
    delete ui;
}

void SaverWidget::reloadValues()
{
    QString display = QString::fromLocal8Bit(qgetenv("DISPLAY"));
    int i = display.indexOf('.');
    if (i != -1) {
        display = display.left(i);
    }
    QSettings s(QString("/run/openslx/idleaction-") + display, QSettings::IniFormat);
    _logoutDeadline = s.value("lockDeadline", 0).toLongLong();
    _shutdownDeadline = s.value("shutdownDeadline", 0).toLongLong();
    // TODO: Load text strings for everything
    _deadlineType = DeadlineType::Unknown;
}

void SaverWidget::mouseMoveEvent(QMouseEvent *)
{
    /*
    // Doesn't work, method is never called :-(
    qint64 now = QDateTime::currentMSecsSinceEpoch();
    if (now - _lastMouseFake < 1000)
        return;
    ui->lblText->setText(QString::number(int(now / 1000)));
    _lastMouseFake = now;
    XEvent ev;
    memset(&ev, 0, sizeof(ev));
    ev.type = ButtonPress;
    ev.xbutton.button = 1;
    ev.xbutton.same_screen = True;
    ev.xbutton.root = ev.xbutton.window = ev.xbutton.subwindow = _parentWinId;
    XSendEvent(QX11Info::display(), _parentWinId, True, 0xfff, &ev);
    ev.type = ButtonRelease;
    ev.xbutton.state = 0x100;
    XSendEvent(QX11Info::display(), _parentWinId, True, 0xfff, &ev);
    */
}