File indexing completed on 2024-11-17 04:42:37

 /*
   SPDX-FileCopyrightText: 2007 Bruno Virlet <bruno@virlet.org>
 
   SPDX-License-Identifier: GPL-2.0-or-later WITH Qt-Commercial-exception-1.0
 */
 #include "timelabelszone.h"
 #include "agenda.h"
 #include "agendaview.h"
 #include "prefs.h"
 #include "timelabels.h"
 
 #include <QHBoxLayout>
 #include <QScrollArea>
 #include <QScrollBar>
 
 using namespace EventViews;
 
 TimeLabelsZone::TimeLabelsZone(QWidget *parent, const PrefsPtr &preferences, Agenda *agenda)
     : QWidget(parent)
     , mAgenda(agenda)
     , mPrefs(preferences)
     , mParent(qobject_cast<AgendaView *>(parent))
 {
     mTimeLabelsLayout = new QHBoxLayout(this);
     mTimeLabelsLayout->setContentsMargins(0, 0, 0, 0);
     mTimeLabelsLayout->setSpacing(0);
 
     init();
 }
 
 void TimeLabelsZone::reset()
 {
     for (QScrollArea *label : std::as_const(mTimeLabelsList)) {
         label->hide();
         label->deleteLater();
     }
     mTimeLabelsList.clear();
 
     init();
 
     // Update some related geometry from the agenda view
     updateAll();
     if (mParent) {
         mParent->updateTimeBarWidth();
         mParent->createDayLabels(true);
     }
 }
 
 void TimeLabelsZone::init()
 {
     QStringList seenTimeZones(QString::fromUtf8(mPrefs->timeZone().id()));
 
     addTimeLabels(mPrefs->timeZone());
 
     const auto lst = mPrefs->timeScaleTimezones();
     for (const QString &zoneStr : lst) {
         if (!seenTimeZones.contains(zoneStr)) {
             auto zone = QTimeZone(zoneStr.toUtf8());
             if (zone.isValid()) {
                 addTimeLabels(zone);
                 seenTimeZones += zoneStr;
             }
         }
     }
 }
 
 void TimeLabelsZone::addTimeLabels(const QTimeZone &zone)
 {
     auto area = new QScrollArea(this);
     auto labels = new TimeLabels(zone, 24, this);
     mTimeLabelsList.prepend(area);
     area->setWidgetResizable(true);
     area->setWidget(labels);
     area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     area->setBackgroundRole(QPalette::Window);
     area->setFrameStyle(QFrame::NoFrame);
     area->show();
     mTimeLabelsLayout->insertWidget(0, area);
 
     setupTimeLabel(area);
 }
 
 void TimeLabelsZone::setupTimeLabel(QScrollArea *area)
 {
     if (mAgenda && mAgenda->verticalScrollBar()) {
         // Scrolling the agenda will scroll the timelabel
         connect(mAgenda->verticalScrollBar(), &QAbstractSlider::valueChanged, area->verticalScrollBar(), &QAbstractSlider::setValue);
         // and vice-versa. ( this won't loop )
         connect(area->verticalScrollBar(), &QAbstractSlider::valueChanged, mAgenda->verticalScrollBar(), &QAbstractSlider::setValue);
 
         area->verticalScrollBar()->setValue(mAgenda->verticalScrollBar()->value());
     }
 
     auto timeLabels = static_cast<TimeLabels *>(area->widget());
     timeLabels->setAgenda(mAgenda);
 
     // timelabel's scroll is just a slave, this shouldn't be here
     // if ( mParent ) {
     //  connect( area->verticalScrollBar(), SIGNAL(valueChanged(int)),
     //           mParent, SLOT(setContentsPos(int)) );
     // }
 }
 
 int TimeLabelsZone::preferedTimeLabelsWidth() const
 {
     if (mTimeLabelsList.isEmpty()) {
         return 0;
     } else {
         return mTimeLabelsList.first()->widget()->sizeHint().width();
     }
 }
 
 void TimeLabelsZone::updateAll()
 {
     for (QScrollArea *area : std::as_const(mTimeLabelsList)) {
         auto timeLabel = static_cast<TimeLabels *>(area->widget());
         timeLabel->updateConfig();
     }
 }
 
 QList<QScrollArea *> TimeLabelsZone::timeLabels() const
 {
     return mTimeLabelsList;
 }
 
 void TimeLabelsZone::setAgendaView(AgendaView *agendaView)
 {
     mParent = agendaView;
     mAgenda = agendaView ? agendaView->agenda() : nullptr;
 
     for (QScrollArea *timeLabel : std::as_const(mTimeLabelsList)) {
         setupTimeLabel(timeLabel);
     }
 }
 
 void TimeLabelsZone::updateTimeLabelsPosition()
 {
     if (mAgenda) {
         const auto lst = timeLabels();
         for (QScrollArea *area : lst) {
             auto label = static_cast<TimeLabels *>(area->widget());
             const int adjustment = mAgenda->contentsY();
             // y() is the offset to our parent (QScrollArea)
             // and gets negative as we scroll
             if (adjustment != -label->y()) {
                 area->verticalScrollBar()->setValue(adjustment);
             }
         }
     }
 }
 
 PrefsPtr TimeLabelsZone::preferences() const
 {
     return mPrefs;
 }
 
 void TimeLabelsZone::setPreferences(const PrefsPtr &prefs)
 {
     if (prefs != mPrefs) {
         mPrefs = prefs;
     }
 }
 
 #include "moc_timelabelszone.cpp"