qquickmonthgrid.cpp

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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qquickmonthgrid_p.h"
#include "qquickmonthmodel_p.h"
 
#include <QtGui/qstylehints.h>
#include <QtGui/qguiapplication.h>
#include <QtQuickTemplates2/private/qquickcontrol_p_p.h>
#include <QtQml/qqmlinfo.h>
 
QT_BEGIN_NAMESPACE
 
 
class QQuickMonthGridPrivate : public QQuickControlPrivate
{
    Q_DECLARE_PUBLIC(QQuickMonthGrid)
 
public:
    QQuickMonthGridPrivate() : pressTimer(0), pressedItem(nullptr), model(nullptr), delegate(nullptr) { }
 
    void resizeItems();
 
    QQuickItem *cellAt(const QPointF &pos) const;
    QDate dateOf(QQuickItem *cell) const;
 
    void updatePress(const QPointF &pos);
    void clearPress(bool clicked);
 
    bool handlePress(const QPointF &point, ulong timestamp) override;
    bool handleMove(const QPointF &point, ulong timestamp) override;
    bool handleRelease(const QPointF &point, ulong timestamp) override;
    void handleUngrab() override;
 
    QString title;
    QVariant source;
    QDate pressedDate;
    int pressTimer;
    QQuickItem *pressedItem;
    QQuickMonthModel *model;
    QQmlComponent *delegate;
};
 
void QQuickMonthGridPrivate::resizeItems()
{
    if (!contentItem)
        return;
 
    QSizeF itemSize;
    itemSize.setWidth((contentItem->width() - 6 * spacing) / 7);
    itemSize.setHeight((contentItem->height() - 5 * spacing) / 6);
 
    const auto childItems = contentItem->childItems();
    for (QQuickItem *item : childItems) {
        if (!QQuickItemPrivate::get(item)->isTransparentForPositioner())
            item->setSize(itemSize);
    }
}
 
QQuickItem *QQuickMonthGridPrivate::cellAt(const QPointF &pos) const
{
    Q_Q(const QQuickMonthGrid);
    if (contentItem) {
        QPointF mapped = q->mapToItem(contentItem, pos);
        return contentItem->childAt(mapped.x(), mapped.y());
    }
    return nullptr;
}
 
QDate QQuickMonthGridPrivate::dateOf(QQuickItem *cell) const
{
    if (contentItem)
        return model->dateAt(contentItem->childItems().indexOf(cell));
    return QDate();
}
 
void QQuickMonthGridPrivate::updatePress(const QPointF &pos)
{
    Q_Q(QQuickMonthGrid);
    clearPress(false);
    pressedItem = cellAt(pos);
    pressedDate = dateOf(pressedItem);
    if (pressedDate.isValid())
        emit q->pressed(pressedDate);
}
 
void QQuickMonthGridPrivate::clearPress(bool clicked)
{
    Q_Q(QQuickMonthGrid);
    if (pressedDate.isValid()) {
        emit q->released(pressedDate);
        if (clicked)
            emit q->clicked(pressedDate);
    }
    pressedDate = QDate();
    pressedItem = nullptr;
}
 
bool QQuickMonthGridPrivate::handlePress(const QPointF &point, ulong timestamp)
{
    Q_Q(QQuickMonthGrid);
    QQuickControlPrivate::handlePress(point, timestamp);
    updatePress(point);
    if (pressedDate.isValid())
        pressTimer = q->startTimer(qGuiApp->styleHints()->mousePressAndHoldInterval());
    return true;
}
 
bool QQuickMonthGridPrivate::handleMove(const QPointF &point, ulong timestamp)
{
    QQuickControlPrivate::handleMove(point, timestamp);
    updatePress(point);
    return true;
}
 
bool QQuickMonthGridPrivate::handleRelease(const QPointF &point, ulong timestamp)
{
    QQuickControlPrivate::handleRelease(point, timestamp);
    clearPress(true);
    return true;
}
 
void QQuickMonthGridPrivate::handleUngrab()
{
    QQuickControlPrivate::handleUngrab();
    clearPress(false);
}
 
QQuickMonthGrid::QQuickMonthGrid(QQuickItem *parent) :
    QQuickControl(*(new QQuickMonthGridPrivate), parent)
{
    Q_D(QQuickMonthGrid);
    setFlag(ItemIsFocusScope);
    setActiveFocusOnTab(true);
    setAcceptedMouseButtons(Qt::LeftButton);
#if QT_CONFIG(cursor)
    setCursor(Qt::ArrowCursor);
#endif
 
    d->model = new QQuickMonthModel(this);
    d->source = QVariant::fromValue(d->model);
    connect(d->model, &QQuickMonthModel::monthChanged, this, &QQuickMonthGrid::monthChanged);
    connect(d->model, &QQuickMonthModel::yearChanged, this, &QQuickMonthGrid::yearChanged);
    connect(d->model, &QQuickMonthModel::titleChanged, this, &QQuickMonthGrid::titleChanged);
}
 
int QQuickMonthGrid::month() const
{
    Q_D(const QQuickMonthGrid);
    return d->model->month() - 1;
}
 
void QQuickMonthGrid::setMonth(int month)
{
    Q_D(QQuickMonthGrid);
    if (month < 0 || month > 11) {
        qmlWarning(this) << "month " << month << " is out of range [0...11]";
        return;
    }
    d->model->setMonth(month + 1);
}
 
int QQuickMonthGrid::year() const
{
    Q_D(const QQuickMonthGrid);
    return d->model->year();
}
 
void QQuickMonthGrid::setYear(int year)
{
    Q_D(QQuickMonthGrid);
    if (year < -271820 || year > 275759) {
        qmlWarning(this) << "year " << year << " is out of range [-271820...275759]";
        return;
    }
    d->model->setYear(year);
}
 
QVariant QQuickMonthGrid::source() const
{
    Q_D(const QQuickMonthGrid);
    return d->source;
}
 
void QQuickMonthGrid::setSource(const QVariant &source)
{
    Q_D(QQuickMonthGrid);
    if (d->source != source) {
        d->source = source;
        emit sourceChanged();
    }
}
 
QString QQuickMonthGrid::title() const
{
    Q_D(const QQuickMonthGrid);
    if (d->title.isNull())
        return d->model->title();
    return d->title;
}
 
void QQuickMonthGrid::setTitle(const QString &title)
{
    Q_D(QQuickMonthGrid);
    if (d->title != title) {
        d->title = title;
        emit titleChanged();
    }
}
 
QQmlComponent *QQuickMonthGrid::delegate() const
{
    Q_D(const QQuickMonthGrid);
    return d->delegate;
}
 
void QQuickMonthGrid::setDelegate(QQmlComponent *delegate)
{
    Q_D(QQuickMonthGrid);
    if (d->delegate != delegate) {
        d->delegate = delegate;
        emit delegateChanged();
    }
}
 
void QQuickMonthGrid::componentComplete()
{
    Q_D(QQuickMonthGrid);
    QQuickControl::componentComplete();
    d->resizeItems();
}
 
void QQuickMonthGrid::geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry)
{
    Q_D(QQuickMonthGrid);
    QQuickControl::geometryChange(newGeometry, oldGeometry);
    if (isComponentComplete())
        d->resizeItems();
}
 
void QQuickMonthGrid::localeChange(const QLocale &newLocale, const QLocale &oldLocale)
{
    Q_D(QQuickMonthGrid);
    QQuickControl::localeChange(newLocale, oldLocale);
    d->model->setLocale(newLocale);
}
 
void QQuickMonthGrid::paddingChange(const QMarginsF &newPadding, const QMarginsF &oldPadding)
{
    Q_D(QQuickMonthGrid);
    QQuickControl::paddingChange(newPadding, oldPadding);
    if (isComponentComplete())
        d->resizeItems();
}
 
void QQuickMonthGrid::updatePolish()
{
    Q_D(QQuickMonthGrid);
    QQuickControl::updatePolish();
    d->resizeItems();
}
 
void QQuickMonthGrid::timerEvent(QTimerEvent *event)
{
    Q_D(QQuickMonthGrid);
    if (event->timerId() == d->pressTimer) {
        if (d->pressedDate.isValid())
            emit pressAndHold(d->pressedDate);
        killTimer(d->pressTimer);
    }
}
 
QT_END_NAMESPACE
 
#include "moc_qquickmonthgrid_p.cpp"