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Diffstat (limited to 'src/quicktemplates2/qquickpageindicator.cpp')
| -rw-r--r-- | src/quicktemplates2/qquickpageindicator.cpp | 352 |
1 files changed, 0 insertions, 352 deletions
diff --git a/src/quicktemplates2/qquickpageindicator.cpp b/src/quicktemplates2/qquickpageindicator.cpp deleted file mode 100644 index 41caa234..00000000 --- a/src/quicktemplates2/qquickpageindicator.cpp +++ /dev/null @@ -1,352 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL3$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPLv3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or later as published by the Free -** Software Foundation and appearing in the file LICENSE.GPL included in -** the packaging of this file. Please review the following information to -** ensure the GNU General Public License version 2.0 requirements will be -** met: http://www.gnu.org/licenses/gpl-2.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickpageindicator_p.h" -#include "qquickcontrol_p_p.h" - -#include <QtCore/qmath.h> -#include <QtQuick/private/qquickitem_p.h> - -QT_BEGIN_NAMESPACE - -/*! - \qmltype PageIndicator - \inherits Control -//! \instantiates QQuickPageIndicator - \inqmlmodule QtQuick.Controls - \since 5.7 - \ingroup qtquickcontrols2-indicators - \brief Indicates the currently active page. - - PageIndicator is used to indicate the currently active page - in a container of multiple pages. PageIndicator consists of - delegate items that present pages. - - \image qtquickcontrols2-pageindicator.png - - \code - Column { - StackLayout { - id: stackLayout - - Page { - // ... - } - Page { - // ... - } - Page { - // ... - } - } - - PageIndicator { - currentIndex: stackLayout.currentIndex - count: stackLayout.count - } - } - \endcode - - \sa SwipeView, {Customizing PageIndicator}, {Indicator Controls} -*/ - -class QQuickPageIndicatorPrivate : public QQuickControlPrivate -{ - Q_DECLARE_PUBLIC(QQuickPageIndicator) - -public: - void handlePress(const QPointF &point, ulong timestamp) override; - void handleMove(const QPointF &point, ulong timestamp) override; - void handleRelease(const QPointF &point, ulong timestamp) override; - void handleUngrab() override; - - QQuickItem *itemAt(const QPointF &pos) const; - void updatePressed(bool pressed, const QPointF &pos = QPointF()); - void setContextProperty(QQuickItem *item, const QString &name, const QVariant &value); - - void itemChildAdded(QQuickItem *, QQuickItem *child) override; - - int count = 0; - int currentIndex = 0; - bool interactive = false; - QQmlComponent *delegate = nullptr; - QQuickItem *pressedItem = nullptr; -}; - -void QQuickPageIndicatorPrivate::handlePress(const QPointF &point, ulong timestamp) -{ - QQuickControlPrivate::handlePress(point, timestamp); - if (interactive) - updatePressed(true, point); -} - -void QQuickPageIndicatorPrivate::handleMove(const QPointF &point, ulong timestamp) -{ - QQuickControlPrivate::handleMove(point, timestamp); - if (interactive) - updatePressed(true, point); -} - -void QQuickPageIndicatorPrivate::handleRelease(const QPointF &point, ulong timestamp) -{ - Q_Q(QQuickPageIndicator); - QQuickControlPrivate::handleRelease(point, timestamp); - if (interactive) { - if (pressedItem && contentItem) - q->setCurrentIndex(contentItem->childItems().indexOf(pressedItem)); - updatePressed(false); - } -} - -void QQuickPageIndicatorPrivate::handleUngrab() -{ - QQuickControlPrivate::handleUngrab(); - if (interactive) - updatePressed(false); -} - -QQuickItem *QQuickPageIndicatorPrivate::itemAt(const QPointF &pos) const -{ - Q_Q(const QQuickPageIndicator); - if (!contentItem || !q->contains(pos)) - return nullptr; - - QPointF contentPos = q->mapToItem(contentItem, pos); - QQuickItem *item = contentItem->childAt(contentPos.x(), contentPos.y()); - while (item && item->parentItem() != contentItem) - item = item->parentItem(); - if (item && !QQuickItemPrivate::get(item)->isTransparentForPositioner()) - return item; - - // find the nearest - qreal distance = qInf(); - QQuickItem *nearest = nullptr; - const auto childItems = contentItem->childItems(); - for (QQuickItem *child : childItems) { - if (QQuickItemPrivate::get(child)->isTransparentForPositioner()) - continue; - - QPointF center = child->boundingRect().center(); - QPointF pt = contentItem->mapToItem(child, contentPos); - - qreal len = QLineF(center, pt).length(); - if (len < distance) { - distance = len; - nearest = child; - } - } - return nearest; -} - -void QQuickPageIndicatorPrivate::updatePressed(bool pressed, const QPointF &pos) -{ - QQuickItem *prevItem = pressedItem; - pressedItem = pressed ? itemAt(pos) : nullptr; - if (prevItem != pressedItem) { - setContextProperty(prevItem, QStringLiteral("pressed"), false); - setContextProperty(pressedItem, QStringLiteral("pressed"), pressed); - } -} - -void QQuickPageIndicatorPrivate::setContextProperty(QQuickItem *item, const QString &name, const QVariant &value) -{ - QQmlContext *context = qmlContext(item); - if (context && context->isValid()) { - context = context->parentContext(); - if (context && context->isValid()) - context->setContextProperty(name, value); - } -} - -void QQuickPageIndicatorPrivate::itemChildAdded(QQuickItem *, QQuickItem *child) -{ - if (!QQuickItemPrivate::get(child)->isTransparentForPositioner()) - setContextProperty(child, QStringLiteral("pressed"), false); -} - -QQuickPageIndicator::QQuickPageIndicator(QQuickItem *parent) - : QQuickControl(*(new QQuickPageIndicatorPrivate), parent) -{ -} - -/*! - \qmlproperty int QtQuick.Controls::PageIndicator::count - - This property holds the number of pages. -*/ -int QQuickPageIndicator::count() const -{ - Q_D(const QQuickPageIndicator); - return d->count; -} - -void QQuickPageIndicator::setCount(int count) -{ - Q_D(QQuickPageIndicator); - if (d->count == count) - return; - - d->count = count; - emit countChanged(); -} - -/*! - \qmlproperty int QtQuick.Controls::PageIndicator::currentIndex - - This property holds the index of the current page. -*/ -int QQuickPageIndicator::currentIndex() const -{ - Q_D(const QQuickPageIndicator); - return d->currentIndex; -} - -void QQuickPageIndicator::setCurrentIndex(int index) -{ - Q_D(QQuickPageIndicator); - if (d->currentIndex == index) - return; - - d->currentIndex = index; - emit currentIndexChanged(); -} - -/*! - \qmlproperty bool QtQuick.Controls::PageIndicator::interactive - - This property holds whether the control is interactive. An interactive page indicator - reacts to presses and automatically changes the \l {currentIndex}{current index} - appropriately. - - \snippet qtquickcontrols2-pageindicator-interactive.qml 1 - - \note Page indicators are typically quite small (in order to avoid - distracting the user from the actual content of the user interface). They - can be hard to click, and might not be easily recognized as interactive by - the user. For these reasons, they are best used to complement primary - methods of navigation (such as \l SwipeView), not replace them. - - The default value is \c false. -*/ -bool QQuickPageIndicator::isInteractive() const -{ - Q_D(const QQuickPageIndicator); - return d->interactive; -} - -void QQuickPageIndicator::setInteractive(bool interactive) -{ - Q_D(QQuickPageIndicator); - if (d->interactive == interactive) - return; - - d->interactive = interactive; - if (interactive) { - setAcceptedMouseButtons(Qt::LeftButton); -#if QT_CONFIG(quicktemplates2_multitouch) - setAcceptTouchEvents(true); -#endif -#if QT_CONFIG(cursor) - setCursor(Qt::ArrowCursor); -#endif - } else { - setAcceptedMouseButtons(Qt::NoButton); -#if QT_CONFIG(quicktemplates2_multitouch) - setAcceptTouchEvents(true); -#endif -#if QT_CONFIG(cursor) - unsetCursor(); -#endif - } - emit interactiveChanged(); -} - -/*! - \qmlproperty Component QtQuick.Controls::PageIndicator::delegate - - This property holds a delegate that presents a page. - - The following properties are available in the context of each delegate: - \table - \row \li \b index : int \li The index of the item - \row \li \b pressed : bool \li Whether the item is pressed - \endtable -*/ -QQmlComponent *QQuickPageIndicator::delegate() const -{ - Q_D(const QQuickPageIndicator); - return d->delegate; -} - -void QQuickPageIndicator::setDelegate(QQmlComponent *delegate) -{ - Q_D(QQuickPageIndicator); - if (d->delegate == delegate) - return; - - d->delegate = delegate; - emit delegateChanged(); -} - -void QQuickPageIndicator::contentItemChange(QQuickItem *newItem, QQuickItem *oldItem) -{ - Q_D(QQuickPageIndicator); - QQuickControl::contentItemChange(newItem, oldItem); - if (oldItem) - QQuickItemPrivate::get(oldItem)->removeItemChangeListener(d, QQuickItemPrivate::Children); - if (newItem) - QQuickItemPrivate::get(newItem)->addItemChangeListener(d, QQuickItemPrivate::Children); -} - -#if QT_CONFIG(quicktemplates2_multitouch) -void QQuickPageIndicator::touchEvent(QTouchEvent *event) -{ - Q_D(QQuickPageIndicator); - if (d->interactive) - QQuickControl::touchEvent(event); - else - event->ignore(); // QTBUG-61785 -} -#endif - -#if QT_CONFIG(accessibility) -QAccessible::Role QQuickPageIndicator::accessibleRole() const -{ - return QAccessible::Indicator; -} -#endif - -QT_END_NAMESPACE |