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pmtimearch.cpp

/*
 * Copyright (c) 2006, Ken McDonell.  All Rights Reserved.
 * Copyright (c) 2006-2007, Aconex.  All Rights Reserved.
 * 
 * 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.
 */
#include "pmtimearch.h"

#include <QtCore/QDir>
#include <QtCore/QTimer>
#include <QtCore/QLibraryInfo>
#include <QtGui/QValidator>
#include <QtGui/QWhatsThis>
#include <QtGui/QMessageBox>
#include <QtGui/QCloseEvent>
#include <pcp/pmapi.h>
#include <pcp/impl.h>
#include "version.h"
#include "aboutdialog.h"
#include "seealsodialog.h"

PmTimeArch::PmTimeArch() : QMainWindow(NULL)
{
    setupUi(this);
#ifdef Q_OS_MAC        // fixup after relocation of the MenuBar by Qt
    QSize size = QSize(width(), height() - MenuBar->height());
    setMinimumSize(size);
    setMaximumSize(size);
#endif
}

typedef struct {
    PmTime::State state;
    PmTime::Mode  mode;
    QIcon         *back;
    QIcon         *stop;
    QIcon         *play;
} IconStateMap;

static void setup(IconStateMap *map, PmTime::State state, PmTime::Mode mode,
              QIcon *back, QIcon *stop, QIcon *play)
{
    map->state = state;
    map->mode = mode;
    map->back = back;
    map->stop = stop;
    map->play = play;
}

void PmTimeArch::setControl(PmTime::State state, PmTime::Mode mode)
{
    static IconStateMap maps[3 * 3];
    static int nmaps;

    if (!nmaps) {
      nmaps = sizeof(maps) / sizeof(maps[0]);
      setup(&maps[0], PmTime::StoppedState, PmTime::NormalMode,
                  PmTime::icon(PmTime::BackwardOff),
                  PmTime::icon(PmTime::StoppedOn),
                  PmTime::icon(PmTime::ForwardOff));
      setup(&maps[1], PmTime::ForwardState, PmTime::NormalMode,
                  PmTime::icon(PmTime::BackwardOff),
                  PmTime::icon(PmTime::StoppedOff),
                  PmTime::icon(PmTime::ForwardOn));
      setup(&maps[2], PmTime::BackwardState, PmTime::NormalMode,
                  PmTime::icon(PmTime::BackwardOn),
                  PmTime::icon(PmTime::StoppedOff),
                  PmTime::icon(PmTime::ForwardOff));
      setup(&maps[3], PmTime::StoppedState, PmTime::FastMode,
                  PmTime::icon(PmTime::FastBackwardOff),
                  PmTime::icon(PmTime::StoppedOn),
                  PmTime::icon(PmTime::FastForwardOff));
      setup(&maps[4], PmTime::ForwardState, PmTime::FastMode,
                  PmTime::icon(PmTime::FastBackwardOff),
                  PmTime::icon(PmTime::StoppedOff),
                  PmTime::icon(PmTime::FastForwardOn));
      setup(&maps[5], PmTime::BackwardState, PmTime::FastMode,
                  PmTime::icon(PmTime::FastBackwardOn),
                  PmTime::icon(PmTime::StoppedOff),
                  PmTime::icon(PmTime::FastForwardOff));
      setup(&maps[6], PmTime::StoppedState, PmTime::StepMode,
                  PmTime::icon(PmTime::StepBackwardOff),
                  PmTime::icon(PmTime::StoppedOn),
                  PmTime::icon(PmTime::StepForwardOff));
      setup(&maps[7], PmTime::ForwardState, PmTime::StepMode,
                  PmTime::icon(PmTime::StepBackwardOff),
                  PmTime::icon(PmTime::StoppedOff),
                  PmTime::icon(PmTime::StepForwardOn));
      setup(&maps[8], PmTime::BackwardState, PmTime::StepMode,
                  PmTime::icon(PmTime::StepBackwardOn),
                  PmTime::icon(PmTime::StoppedOff),
                  PmTime::icon(PmTime::StepForwardOff));
    }

    if (my.pmtime.state != state || my.pmtime.mode != mode) {
      for (int i = 0; i < nmaps; i++) {
          if (maps[i].state == state && maps[i].mode == mode) {
            buttonBack->setIcon(*maps[i].back);
            buttonStop->setIcon(*maps[i].stop);
            buttonPlay->setIcon(*maps[i].play);
            break;
          }
      }
      my.pmtime.state = state;
      my.pmtime.mode = mode;
      if (my.pmtime.mode == PmTime::NormalMode) {
          buttonSpeed->setEnabled(true);
          textLabelSpeed->setEnabled(true);
          lineEditSpeed->setEnabled(true);
          wheelSpeed->setEnabled(true);
      }
      else {
          buttonSpeed->setEnabled(false);
          textLabelSpeed->setEnabled(false);
          lineEditSpeed->setEnabled(false);
          wheelSpeed->setEnabled(false);
      }
    }
}

void PmTimeArch::init()
{
    static char UTC[] = "UTC\0Universal Coordinated Time";

    console->post(PmTime::DebugApp, "Starting Archive Time Control...");

    my.units = PmTime::Seconds;
    my.first = true;
    my.tzActions = NULL;
    my.assistant = NULL;

    memset(&my.absoluteStart, 0, sizeof(struct timeval));
    memset(&my.absoluteEnd, 0, sizeof(struct timeval));
    memset(&my.pmtime, 0, sizeof(my.pmtime));
    my.pmtime.source = PmTime::ArchiveSource;
    my.pmtime.delta.tv_sec = PmTime::DefaultDelta;

    my.showMilliseconds = false;
    optionsDetailShow_MillisecondsAction->setChecked(my.showMilliseconds);
    my.showYear = false;
    optionsDetailShow_YearAction->setChecked(my.showYear);

    my.speed = 1.0;
    my.timer = new QTimer(this);
    my.timer->setInterval(timerInterval());
    my.timer->stop();
    connect(my.timer, SIGNAL(timeout()), SLOT(timerTick()));

    addTimezone(UTC);
    displayDeltaText();
    setControl(PmTime::StoppedState, PmTime::NormalMode);

    double delta = PmTime::secondsFromTimeval(&my.pmtime.delta);
    changeSpeed(PmTime::defaultSpeed(delta));
    wheelSpeed->setRange(
            PmTime::minimumSpeed(delta), PmTime::maximumSpeed(delta), 0.1);
    wheelSpeed->setValue(PmTime::defaultSpeed(delta));
    lineEditDelta->setAlignment(Qt::AlignRight);
    lineEditDelta->setValidator(
            new QDoubleValidator(0.001, INT_MAX, 3, lineEditDelta));
    lineEditSpeed->setAlignment(Qt::AlignRight);
    lineEditSpeed->setValidator(
            new QDoubleValidator(0.001, INT_MAX, 1, lineEditSpeed));

    my.bounds = new ShowBounds(this);
    my.bounds->init(&my.absoluteStart, &my.pmtime.start,
                      &my.absoluteEnd, &my.pmtime.end);
    connect(my.bounds, SIGNAL(boundsChanged()), this, SLOT(doneBounds()));

    console->post("PmTimeArch::init absS=%p S=%p absE=%p E=%p\n",
               &my.absoluteStart, &my.pmtime.start,
               &my.absoluteEnd, &my.pmtime.end);
}

void PmTimeArch::quit()
{
    if (my.assistant)
      my.assistant->closeAssistant();
}

void PmTimeArch::helpAbout()
{
    AboutDialog about(this);
    about.exec();
}

void PmTimeArch::helpSeeAlso()
{
    SeeAlsoDialog about(this);
    about.exec();
}

void PmTimeArch::whatsThis()
{
    QWhatsThis::enterWhatsThisMode();
}

int PmTimeArch::timerInterval()
{
    return (int)(((my.pmtime.delta.tv_sec * 1000) +
              (my.pmtime.delta.tv_usec / 1000)) / my.speed);
}

void PmTimeArch::play_clicked()
{
    if (lineEditCtime->isModified())
      lineEditCtime_validate();
    if (lineEditDelta->isModified())
      lineEditDelta_validate();
    if (my.pmtime.state != PmTime::ForwardState ||
      my.pmtime.mode == PmTime::StepMode)
      play();
}

void PmTimeArch::play()
{
    if (addDelta()) {
      setControl(PmTime::ForwardState, my.pmtime.mode);
      updateTime();
      if (my.pmtime.mode == PmTime::NormalMode)
          my.timer->start(timerInterval());
      else if (my.pmtime.mode == PmTime::FastMode)
          my.timer->start(PmTime::FastModeDelay);
      console->post(PmTime::DebugApp, "PmTimeArch::play moved time forward");
    } else {
      console->post(PmTime::DebugApp, "PmTimeArch::play reached archive end");
      emit boundsPulse(&my.pmtime);
      stop();
    }
}

void PmTimeArch::back_clicked()
{
    if (lineEditCtime->isModified())
      lineEditCtime_validate();
    if (lineEditDelta->isModified())
      lineEditDelta_validate();
    if (my.pmtime.state != PmTime::BackwardState ||
      my.pmtime.mode == PmTime::StepMode)
      back();
}
    
void PmTimeArch::back()
{
    if (subDelta()) {
      setControl(PmTime::BackwardState, my.pmtime.mode);
      updateTime();
      if (my.pmtime.mode == PmTime::NormalMode)
          my.timer->start(timerInterval());
      else if (my.pmtime.mode == PmTime::FastMode)
          my.timer->start(PmTime::FastModeDelay);
      console->post(PmTime::DebugApp, "PmTimeArch::back moved time backward");
    } else {
      console->post(PmTime::DebugApp, "PmTimeArch::back reached archive end");
      emit boundsPulse(&my.pmtime);
      stop();
    }
}

void PmTimeArch::stop_clicked()
{
    if (my.pmtime.state != PmTime::StoppedState)
      stop();
}

void PmTimeArch::stop()
{
    setControl(PmTime::StoppedState, my.pmtime.mode);
    my.timer->stop();
    emit vcrModePulse(&my.pmtime, 0);
    console->post(PmTime::DebugApp, "PmTimeArch::stop stopped time");
}

void PmTimeArch::timerTick()
{
    if (my.pmtime.state == PmTime::ForwardState)
      play();
    else if (my.pmtime.state == PmTime::BackwardState)
      back();
    else
      console->post(PmTime::DebugApp, "PmTimeArch::timerTick: dodgey state?");
}

int PmTimeArch::addDelta()
{
    struct timeval current = my.pmtime.position;

#if DESPERATE
    console->post(PmTime::DebugProtocol,
      "now=%u.%u end=%u.%u start=%u.%u delta=%u.%u speed=%.3e",
      my.pmtime.position.tv_sec, my.pmtime.position.tv_usec,
      my.pmtime.end.tv_sec, my.pmtime.end.tv_usec, my.pmtime.start.tv_sec,
      my.pmtime.start.tv_usec, my.pmtime.delta.tv_sec,
      my.pmtime.delta.tv_usec, speed);
#endif

    PmTime::timevalAdd(&current, &my.pmtime.delta);
    if (PmTime::timevalCompare(&current, &my.pmtime.end) > 0 ||
      PmTime::timevalCompare(&current, &my.pmtime.start) < 0)
      return 0;
    my.pmtime.position = current;
    return 1;
}

int PmTimeArch::subDelta()
{
    struct timeval current = my.pmtime.position;

    PmTime::timevalSub(&current, &my.pmtime.delta);
    if (PmTime::timevalCompare(&current, &my.pmtime.end) > 0 ||
      PmTime::timevalCompare(&current, &my.pmtime.start) < 0)
      return 0;
    my.pmtime.position = current;
    return 1;
}

void PmTimeArch::changeDelta(int value)
{
    my.units = (PmTime::DeltaUnits)value;
    displayDeltaText();
}

void PmTimeArch::changeControl(int value)
{
    setControl(PmTime::StoppedState, (PmTime::Mode)value);
}

void PmTimeArch::updateTime()
{
    emit timePulse(&my.pmtime);
    displayPositionText();
    displayPositionSlide();
}

void PmTimeArch::displayDeltaText()
{
    QString text;
    double delta = PmTime::secondsFromTimeval(&my.pmtime.delta);

    delta = PmTime::secondsToUnits(delta, my.units);
    if ((double)(int)delta == delta)
      text.sprintf("%.2f", delta);
    else
      text.sprintf("%.6f", delta);
    lineEditDelta->setText(text);
}

void PmTimeArch::displayPositionText()
{
    QString text;
    char ctimebuf[32], msecbuf[5];

    pmCtime(&my.pmtime.position.tv_sec, ctimebuf);
    text = tr(ctimebuf);
    if (my.showYear == false)
      text.remove(19, 5);
    if (my.showMilliseconds == true) {
      sprintf(msecbuf, ".%03u", (uint)my.pmtime.position.tv_usec / 1000);
      text.insert(19, msecbuf);
    }
    lineEditCtime->setText(text.simplified());
}

void PmTimeArch::displayPositionSlide(void)
{
    sliderPosition->setValue(PmTime::secondsFromTimeval(&my.pmtime.position));
}

void PmTimeArch::setPositionSlideRange(void)
{
    sliderPosition->setRange(PmTime::secondsFromTimeval(&my.pmtime.start),
                       PmTime::secondsFromTimeval(&my.pmtime.end));
}

void PmTimeArch::setPositionSlideDelta(void)
{
    sliderPosition->setStep(PmTime::secondsFromTimeval(&my.pmtime.delta));
}

void PmTimeArch::pressedPosition()
{
    emit vcrModePulse(&my.pmtime, 1);
}

void PmTimeArch::releasedPosition()
{
    emit vcrModePulse(&my.pmtime, 0);
}

void PmTimeArch::changedPosition(double value)
{
#if DESPERATE
    console->post("PmTimeArch::changedPosition changing pos from %d.%d",
                  my.pmtime.position.tv_sec, my.pmtime.position.tv_usec);
#endif

    PmTime::secondsToTimeval(value, &my.pmtime.position);
    displayPositionText();

#if DESPERATE
    console->post("PmTimeArch::changedPosition changed pos to %d.%d",
                  my.pmtime.position.tv_sec, my.pmtime.position.tv_usec);
#endif
}

void PmTimeArch::clickShowMsec()
{
    if (my.showMilliseconds == true)
      my.showMilliseconds = false;
    else
      my.showMilliseconds = true;
    optionsDetailShow_MillisecondsAction->setChecked(my.showMilliseconds);
    displayPositionText();
}

void PmTimeArch::clickShowYear()
{
    if (my.showYear == true)
      my.showYear = false;
    else
      my.showYear = true;
    optionsDetailShow_YearAction->setChecked(my.showYear);
    displayPositionText();
}

void PmTimeArch::resetSpeed()
{
    double delta = PmTime::secondsFromTimeval(&my.pmtime.delta);
    changeSpeed(PmTime::defaultSpeed(delta));
}

void PmTimeArch::changeSpeed(double value)
{
    QString text;
    int reset = my.timer->isActive();
    double upper, lower, delta = PmTime::secondsFromTimeval(&my.pmtime.delta);

    my.timer->stop();

    upper = PmTime::maximumSpeed(delta);
    lower = PmTime::minimumSpeed(delta);
    if (value > upper)
      value = upper;
    else if (value < lower)
      value = lower;
    text.sprintf("%.1f", value);
    lineEditSpeed->setText(text);
    if (wheelSpeed->value() != value)
      wheelSpeed->setValue(value);

    my.speed = value;
    if (reset)
      my.timer->start(timerInterval());

    console->post("PmTimeArch::changeSpeed changed delta to %d.%d (%.2fs)",
                  my.pmtime.delta.tv_sec, my.pmtime.delta.tv_usec, value);
}

void PmTimeArch::showBounds()
{
    my.bounds->reset();
    console->post("PmTimeArch::showBounds: absS=%p S=%p absE=%p E=%p\n",
      &my.absoluteStart, &my.pmtime.start, &my.absoluteEnd, &my.pmtime.end);
    my.bounds->show();
}

void PmTimeArch::doneBounds(void)
{
    int tellclients = 0;

    console->post("PmTimeArch::doneBounds signal received\n");

    my.bounds->flush();
    if (PmTime::timevalCompare(&my.pmtime.position, &my.pmtime.start) < 0) {
      my.pmtime.position = my.pmtime.start;
      tellclients = 1;
    }
    if (PmTime::timevalCompare(&my.pmtime.position, &my.pmtime.end) > 0) {
      my.pmtime.position = my.pmtime.end;
      tellclients = 1;
    }
    sliderPosition->blockSignals(true);
    setPositionSlideRange();
    sliderPosition->blockSignals(false);
    if (tellclients)
      emit vcrModePulse(&my.pmtime, 0);
}

void PmTimeArch::showConsole()
{
    console->show();
}

void PmTimeArch::disableConsole()
{
    optionsShowConsoleAction->setVisible(false);
}

void PmTimeArch::hideWindow()
{
    if (isVisible())
      hide();
    else
      show();
}

void PmTimeArch::popup(bool hello_popetts)
{
    if (hello_popetts)
      show();
    else
      hide();
}

void PmTimeArch::closeEvent(QCloseEvent *ce)
{
    hide();
    ce->ignore();
}

void PmTimeArch::lineEditDelta_changed(const QString &)
{
    if (lineEditDelta->isModified())
      stop_clicked();
}

void PmTimeArch::lineEditCtime_changed(const QString &)
{
    if (lineEditCtime->isModified())
      stop_clicked();
}

void PmTimeArch::lineEditDelta_validate()
{
    double delta;
    bool ok, reset = my.timer->isActive();

    delta = lineEditDelta->text().toDouble(&ok);
    if (!ok || delta <= 0) {
      displayDeltaText();     // reset to previous, known-good delta
    } else {
      my.timer->stop();
      delta = PmTime::unitsToSeconds(delta, my.units);
      PmTime::secondsToTimeval(delta, &my.pmtime.delta);
      emit vcrModePulse(&my.pmtime, 0);
      if (reset)
          my.timer->start(timerInterval());
    }
}

void PmTimeArch::lineEditCtime_validate()
{
    struct timeval current;
    QString input, error;
    char *msg;

    input = lineEditCtime->text().simplified();
    if (input.length() == 0) {
      error.sprintf("Position time has not been set.\n");
      QMessageBox::warning(0, tr("Warning"), error, tr("Quit"));
      return;
    }
    if (input[0] != '@')
      input.prepend("@");
    if (__pmParseTime(input.toAscii(),
                  &my.pmtime.start, &my.pmtime.end, &current, &msg) < 0) {
      error.sprintf("Invalid position date/time:\n\n%s\n", msg);
      QMessageBox::warning(0, tr("Warning"), error, tr("Quit"));
      displayPositionText();  // reset to previous, known-good position
      free(msg);
    } else {
      my.pmtime.position = current;
      displayPositionText();
      displayPositionSlide();
      emit vcrModePulse(&my.pmtime, 0);
    }
}

void PmTimeArch::lineEditSpeed_validate()
{
    double value, delta = PmTime::secondsFromTimeval(&my.pmtime.delta);
    bool ok, reset = my.timer->isActive();

    value = lineEditSpeed->text().toDouble(&ok);
    if (!ok ||
      value < PmTime::minimumSpeed(delta) ||
      value > PmTime::maximumSpeed(delta)) {
      wheelSpeed->setValue(my.speed);     // reset to previous, known-good speed
    } else {
      my.speed = value;
      wheelSpeed->setValue(my.speed);
      if (reset) {
          my.timer->stop();
          my.timer->start(timerInterval());
      }
    }
}

void PmTimeArch::setTimezone(QAction *action)
{
    for (int i = 0; i < my.tzlist.size(); i++) {
      TimeZone *tz = my.tzlist.at(i);
      if (tz->action() == action) {
          my.first = true;    // resetting time completely
          pmUseZone(tz->handle());
          emit tzPulse(&my.pmtime, tz->tz(), strlen(tz->tz()) + 1,
                        tz->tzlabel(), strlen(tz->tzlabel()) + 1);
          console->post("PmTimeArch::setTimezone sent TZ %s (%s) to clients",
                        tz->tz(), tz->tzlabel());
          setTime(&my.pmtime, NULL);      // re-display the time, no messages
          break;
      }
    }
}

void PmTimeArch::addTimezone(const char *string)
{
    TimeZone *tmp, *tzp;
    QAction *tzAction;
    char *label, *tz;
    int handle;

    if ((handle = pmNewZone(string)) < 0)
      return;

    if ((tz = strdup(string)) == NULL)
      return;

    if ((label = strdup(string + strlen(string) + 1)) == NULL) {
      free(tz);
      return;
    }

    for (int i = 0; i < my.tzlist.size(); i++) {
      tmp = my.tzlist.at(i);
      if (strcmp(tmp->tzlabel(), label) == 0) {
          free(label);
          free(tz);
          return;
      }
    }

    tzAction = new QAction(this);
    tzAction->setCheckable(true);
    tzAction->setToolTip(tz);
    tzAction->setText(label);

    tzp = new TimeZone(tz, label, tzAction, handle);
    my.tzlist.append(tzp);

    if (!my.tzActions) {
      my.tzActions = new QActionGroup(this);
      connect(my.tzActions, SIGNAL(selected(QAction *)),
                  this, SLOT(setTimezone(QAction *)));
    }
    my.tzActions->addAction(tzAction);
    optionsTimezoneAction->addActions(my.tzActions->actions());
    console->post("PmTimeArch::addTimezone added tz=%s label=%s", tz, label);
}

void PmTimeArch::setTime(PmTime::Packet *k, char *tzdata)
{
#if DESPERATE
    console->post(PmTime::DebugProtocol, "PmTimeArch::setTime START: "
      "1st=%d now=%u.%u end=%u.%u start=%u.%u delta=%u.%u",
      my.first, my.pmtime.position.tv_sec, my.pmtime.position.tv_usec,
      my.pmtime.end.tv_sec, my.pmtime.end.tv_usec, my.pmtime.start.tv_sec,
      my.pmtime.start.tv_usec, my.pmtime.delta.tv_sec,
      my.pmtime.delta.tv_usec);
#endif

    if (my.first == true) {
      my.first = false;
      if (tzdata != NULL)
          addTimezone(tzdata);
      my.absoluteStart = my.pmtime.start = k->start;
      my.absoluteEnd = my.pmtime.end = k->end;
      my.pmtime.position = k->position;
      my.pmtime.delta = k->delta;
      sliderPosition->blockSignals(true);
      setPositionSlideRange();
      setPositionSlideDelta();
      sliderPosition->blockSignals(false);
      displayDeltaText();
      displayPositionText();
      displayPositionSlide();
      my.bounds->reset();
      double delta = PmTime::secondsFromTimeval(&k->delta);
      changeSpeed(PmTime::defaultSpeed(delta));
    } else {
      addBound(k, tzdata);
    }

#if DESPERATE
    console->post(PmTime::DebugProtocol, "PmTimeArch::setTime ENDED: "
      "1st=%d now=%u.%u end=%u.%u start=%u.%u delta=%u.%u",
      my.first, my.pmtime.position.tv_sec, my.pmtime.position.tv_usec,
      my.pmtime.end.tv_sec, my.pmtime.end.tv_usec, my.pmtime.start.tv_sec,
      my.pmtime.start.tv_usec, my.pmtime.delta.tv_sec,
      my.pmtime.delta.tv_usec);
#endif
}

void PmTimeArch::addBound(PmTime::Packet *k, char *tzdata)
{
    // Note: pmchart can start pmtime up without an archive
    // so, we need to explicitly initialise some fields now
    // that one might otherwise have expected to be setup.

    bool needPulse = PmTime::timevalNonZero(&my.pmtime.position);

    console->post(PmTime::DebugProtocol, "PmTimeArch::addBound START: "
            "p?=%d now=%u.%u end=%u.%u start=%u.%u", needPulse,
            my.pmtime.position.tv_sec, my.pmtime.position.tv_usec,
            my.pmtime.end.tv_sec, my.pmtime.end.tv_usec,
            my.pmtime.start.tv_sec, my.pmtime.start.tv_usec);

    if (tzdata != NULL)
      addTimezone(tzdata);

    if (PmTime::timevalCompare(&k->start, &my.absoluteStart) < 0)
      my.absoluteStart = my.pmtime.start = k->start;
    if (PmTime::timevalCompare(&k->end, &my.absoluteEnd) > 0)
      my.absoluteEnd = my.pmtime.end = k->end;
    if (!needPulse) {   // first-time archive initialisation
      my.pmtime.position = k->position;
      my.pmtime.start = k->start;
      my.pmtime.end = k->end;
    }

    sliderPosition->blockSignals(true);
    setPositionSlideRange();
    sliderPosition->blockSignals(false);
    displayPositionText();
    displayPositionSlide();
    my.bounds->reset();

    if (needPulse)
      emit vcrModePulse(&my.pmtime, 0);

    console->post(PmTime::DebugProtocol, "PmTimeArch::addBound ENDED: "
            "p?=%d now=%u.%u end=%u.%u start=%u.%u", needPulse,
            my.pmtime.position.tv_sec, my.pmtime.position.tv_usec,
            my.pmtime.end.tv_sec, my.pmtime.end.tv_usec,
            my.pmtime.start.tv_sec, my.pmtime.start.tv_usec);
}

void PmTimeArch::assistantError(const QString &msg)
{
    QMessageBox::warning(this, pmProgname, msg);
}

void PmTimeArch::setupAssistant()
{
    if (my.assistant)
      return;
    my.assistant = new QAssistantClient(
            QLibraryInfo::location(QLibraryInfo::BinariesPath), this);
    connect(my.assistant, SIGNAL(error(const QString &)),
                this, SLOT(assistantError(const QString &)));
    QStringList arguments;
    QString documents = HTMLDIR;
    arguments << "-profile" << documents.append("/pmtime.adp");
    my.assistant->setArguments(arguments);
}

void PmTimeArch::helpManual()
{
    setupAssistant();
    QString documents = HTMLDIR;
    my.assistant->showPage(documents.append("/timecontrol.html"));
}

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