diff options
Diffstat (limited to 'src/quicktemplates2/qquicktabbar.cpp')
-rw-r--r-- | src/quicktemplates2/qquicktabbar.cpp | 155 |
1 files changed, 146 insertions, 9 deletions
diff --git a/src/quicktemplates2/qquicktabbar.cpp b/src/quicktemplates2/qquicktabbar.cpp index 65a4a863..814d14ea 100644 --- a/src/quicktemplates2/qquicktabbar.cpp +++ b/src/quicktemplates2/qquicktabbar.cpp @@ -116,6 +116,28 @@ public: QQuickTabBar::Position position; }; +class QQuickTabBarAttachedPrivate : public QObjectPrivate +{ + Q_DECLARE_PUBLIC(QQuickTabBarAttached) + +public: + QQuickTabBarAttachedPrivate() + : index(-1), + tabBar(nullptr) + { + } + + static QQuickTabBarAttachedPrivate *get(QQuickTabBarAttached *attached) + { + return attached->d_func(); + } + + void update(QQuickTabBar *tabBar, int index); + + int index; + QQuickTabBar *tabBar; +}; + QQuickTabBarPrivate::QQuickTabBarPrivate() : updatingLayout(false), hasContentWidth(false), @@ -152,38 +174,47 @@ void QQuickTabBarPrivate::updateLayout() qreal maxHeight = 0; qreal totalWidth = 0; qreal reservedWidth = 0; + int resizableCount = 0; - QVector<QQuickItem *> resizableItems; - resizableItems.reserve(count); + QVector<QQuickItem *> allItems; + allItems.reserve(count); for (int i = 0; i < count; ++i) { QQuickItem *item = q->itemAt(i); if (item) { QQuickItemPrivate *p = QQuickItemPrivate::get(item); if (!p->widthValid) { - resizableItems += item; + ++resizableCount; totalWidth += item->implicitWidth(); } else { reservedWidth += item->width(); totalWidth += item->width(); } maxHeight = qMax(maxHeight, item->implicitHeight()); + allItems += item; } } const qreal totalSpacing = qMax(0, count - 1) * spacing; totalWidth += totalSpacing; - if (!resizableItems.isEmpty()) { - const qreal itemWidth = (contentItem->width() - reservedWidth - totalSpacing) / resizableItems.count(); + const qreal itemWidth = (contentItem->width() - reservedWidth - totalSpacing) / qMax(1, resizableCount); - updatingLayout = true; - for (QQuickItem *item : qAsConst(resizableItems)) { + updatingLayout = true; + for (QQuickItem *item : qAsConst(allItems)) { + QQuickItemPrivate *p = QQuickItemPrivate::get(item); + if (!p->widthValid) { item->setWidth(itemWidth); - QQuickItemPrivate::get(item)->widthValid = false; + p->widthValid = false; + } + if (!p->heightValid) { + item->setHeight(hasContentHeight ? contentHeight : maxHeight); + p->heightValid = false; + } else { + item->setY((maxHeight - item->height()) / 2); } - updatingLayout = false; } + updatingLayout = false; bool contentWidthChange = false; if (!hasContentWidth && !qFuzzyCompare(contentWidth, totalWidth)) { @@ -342,6 +373,11 @@ void QQuickTabBar::resetContentHeight() d->updateLayout(); } +QQuickTabBarAttached *QQuickTabBar::qmlAttachedProperties(QObject *object) +{ + return new QQuickTabBarAttached(object); +} + void QQuickTabBar::updatePolish() { Q_D(QQuickTabBar); @@ -376,20 +412,38 @@ void QQuickTabBar::itemAdded(int index, QQuickItem *item) QQuickItemPrivate::get(item)->setCulled(true); // QTBUG-55129 if (QQuickTabButton *button = qobject_cast<QQuickTabButton *>(item)) QObjectPrivate::connect(button, &QQuickTabButton::checkedChanged, d, &QQuickTabBarPrivate::updateCurrentIndex); + QQuickTabBarAttached *attached = qobject_cast<QQuickTabBarAttached *>(qmlAttachedPropertiesObject<QQuickTabBar>(item)); + if (attached) + QQuickTabBarAttachedPrivate::get(attached)->update(this, index); if (isComponentComplete()) polish(); } +void QQuickTabBar::itemMoved(int index, QQuickItem *item) +{ + QQuickTabBarAttached *attached = qobject_cast<QQuickTabBarAttached *>(qmlAttachedPropertiesObject<QQuickTabBar>(item)); + if (attached) + QQuickTabBarAttachedPrivate::get(attached)->update(this, index); +} + void QQuickTabBar::itemRemoved(int index, QQuickItem *item) { Q_D(QQuickTabBar); Q_UNUSED(index); if (QQuickTabButton *button = qobject_cast<QQuickTabButton *>(item)) QObjectPrivate::disconnect(button, &QQuickTabButton::checkedChanged, d, &QQuickTabBarPrivate::updateCurrentIndex); + QQuickTabBarAttached *attached = qobject_cast<QQuickTabBarAttached *>(qmlAttachedPropertiesObject<QQuickTabBar>(item)); + if (attached) + QQuickTabBarAttachedPrivate::get(attached)->update(nullptr, -1); if (isComponentComplete()) polish(); } +QPalette QQuickTabBar::defaultPalette() const +{ + return QQuickControlPrivate::themePalette(QPlatformTheme::TabBarPalette); +} + #if QT_CONFIG(accessibility) QAccessible::Role QQuickTabBar::accessibleRole() const { @@ -397,4 +451,87 @@ QAccessible::Role QQuickTabBar::accessibleRole() const } #endif +/*! + \qmlattachedproperty int QtQuick.Controls::TabBar::index + \since QtQuick.Controls 2.3 (Qt 5.10) + \readonly + + This attached property holds the index of each tab button in the TabBar. + + It is attached to each tab button of the TabBar. +*/ + +/*! + \qmlattachedproperty TabBar QtQuick.Controls::TabBar::tabBar + \since QtQuick.Controls 2.3 (Qt 5.10) + \readonly + + This attached property holds the tab bar that manages this tab button. + + It is attached to each tab button of the TabBar. +*/ + +/*! + \qmlattachedproperty enumeration QtQuick.Controls::TabBar::position + \since QtQuick.Controls 2.3 (Qt 5.10) + \readonly + + This attached property holds the position of the tab bar. + + It is attached to each tab button of the TabBar. + + Possible values: + \value TabBar.Header The tab bar is at the top, as a window or page header. + \value TabBar.Footer The tab bar is at the bottom, as a window or page footer. +*/ + +void QQuickTabBarAttachedPrivate::update(QQuickTabBar *newTabBar, int newIndex) +{ + Q_Q(QQuickTabBarAttached); + const int oldIndex = index; + const QQuickTabBar *oldTabBar = tabBar; + const QQuickTabBar::Position oldPos = q->position(); + + index = newIndex; + tabBar = newTabBar; + + if (oldTabBar != newTabBar) { + if (oldTabBar) + QObject::disconnect(oldTabBar, &QQuickTabBar::positionChanged, q, &QQuickTabBarAttached::positionChanged); + if (newTabBar) + QObject::connect(newTabBar, &QQuickTabBar::positionChanged, q, &QQuickTabBarAttached::positionChanged); + emit q->tabBarChanged(); + } + + if (oldIndex != newIndex) + emit q->indexChanged(); + if (oldPos != q->position()) + emit q->positionChanged(); +} + +QQuickTabBarAttached::QQuickTabBarAttached(QObject *parent) + : QObject(*(new QQuickTabBarAttachedPrivate), parent) +{ +} + +int QQuickTabBarAttached::index() const +{ + Q_D(const QQuickTabBarAttached); + return d->index; +} + +QQuickTabBar *QQuickTabBarAttached::tabBar() const +{ + Q_D(const QQuickTabBarAttached); + return d->tabBar; +} + +QQuickTabBar::Position QQuickTabBarAttached::position() const +{ + Q_D(const QQuickTabBarAttached); + if (!d->tabBar) + return QQuickTabBar::Header; + return d->tabBar->position(); +} + QT_END_NAMESPACE |