diff options
Diffstat (limited to 'src/quicktemplates2/qquickoverlay.cpp')
| -rw-r--r-- | src/quicktemplates2/qquickoverlay.cpp | 283 |
1 files changed, 172 insertions, 111 deletions
diff --git a/src/quicktemplates2/qquickoverlay.cpp b/src/quicktemplates2/qquickoverlay.cpp index 850de875..172307e1 100644 --- a/src/quicktemplates2/qquickoverlay.cpp +++ b/src/quicktemplates2/qquickoverlay.cpp @@ -35,39 +35,17 @@ ****************************************************************************/ #include "qquickoverlay_p.h" +#include "qquickoverlay_p_p.h" #include "qquickpopup_p_p.h" -#include "qquickdrawer_p.h" +#include "qquickdrawer_p_p.h" +#include "qquickapplicationwindow_p.h" #include <QtQml/qqmlinfo.h> #include <QtQml/qqmlproperty.h> #include <QtQml/qqmlcomponent.h> -#include <QtQuick/private/qquickitem_p.h> +#include <algorithm> QT_BEGIN_NAMESPACE -class QQuickOverlayPrivate : public QQuickItemPrivate -{ - Q_DECLARE_PUBLIC(QQuickOverlay) - -public: - QQuickOverlayPrivate(); - - void popupAboutToShow(); - void popupAboutToHide(); - - void createOverlay(QQuickPopup *popup); - void destroyOverlay(QQuickPopup *popup); - void resizeOverlay(QQuickPopup *popup); - - QVector<QQuickPopup *> stackingOrderPopups() const; - - QQmlComponent *modal; - QQmlComponent *modeless; - QVector<QQuickDrawer *> drawers; - QVector<QQuickPopup *> popups; - QPointer<QQuickPopup> mouseGrabberPopup; - int modalPopups; -}; - void QQuickOverlayPrivate::popupAboutToShow() { Q_Q(QQuickOverlay); @@ -96,27 +74,35 @@ void QQuickOverlayPrivate::popupAboutToHide() static QQuickItem *createDimmer(QQmlComponent *component, QQuickPopup *popup, QQuickItem *parent) { - if (!component) - return nullptr; + QQuickItem *item = nullptr; + if (component) { + QQmlContext *creationContext = component->creationContext(); + if (!creationContext) + creationContext = qmlContext(parent); + QQmlContext *context = new QQmlContext(creationContext); + context->setContextObject(popup); + item = qobject_cast<QQuickItem*>(component->beginCreate(context)); + } + + // when there is no overlay component available (with plain QQuickWindow), + // use a plain QQuickItem as a fallback to block hover events + if (!item && popup->isModal()) + item = new QQuickItem; - QQmlContext *creationContext = component->creationContext(); - if (!creationContext) - creationContext = qmlContext(parent); - QQmlContext *context = new QQmlContext(creationContext); - context->setContextObject(popup); - QQuickItem *item = qobject_cast<QQuickItem*>(component->beginCreate(context)); if (item) { - item->setOpacity(0.0); + item->setOpacity(popup->isVisible() ? 1.0 : 0.0); item->setParentItem(parent); item->stackBefore(popup->popupItem()); item->setZ(popup->z()); - if (popup->isModal() && !qobject_cast<QQuickDrawer *>(popup)) { + if (popup->isModal()) { + item->setAcceptedMouseButtons(Qt::AllButtons); // TODO: switch to QStyleHints::useHoverEffects in Qt 5.8 item->setAcceptHoverEvents(true); // item->setAcceptHoverEvents(QGuiApplication::styleHints()->useHoverEffects()); // connect(QGuiApplication::styleHints(), &QStyleHints::useHoverEffectsChanged, item, &QQuickItem::setAcceptHoverEvents); } - component->completeCreate(); + if (component) + component->completeCreate(); } return item; } @@ -150,6 +136,18 @@ void QQuickOverlayPrivate::resizeOverlay(QQuickPopup *popup) } } +void QQuickOverlayPrivate::toggleOverlay() +{ + Q_Q(QQuickOverlay); + QQuickPopup *popup = qobject_cast<QQuickPopup *>(q->sender()); + if (!popup) + return; + + destroyOverlay(popup); + if (popup->dim()) + createOverlay(popup); +} + QVector<QQuickPopup *> QQuickOverlayPrivate::stackingOrderPopups() const { const QList<QQuickItem *> children = paintOrderChildItems(); @@ -166,20 +164,65 @@ QVector<QQuickPopup *> QQuickOverlayPrivate::stackingOrderPopups() const return popups; } +QVector<QQuickDrawer *> QQuickOverlayPrivate::stackingOrderDrawers() const +{ + QVector<QQuickDrawer *> sorted(allDrawers); + std::sort(sorted.begin(), sorted.end(), [](const QQuickDrawer *one, const QQuickDrawer *another) { + return one->z() > another->z(); + }); + return sorted; +} + +void QQuickOverlayPrivate::itemGeometryChanged(QQuickItem *item, QQuickGeometryChange, const QRectF &) +{ + Q_Q(QQuickOverlay); + q->setSize(QSizeF(item->width(), item->height())); +} + QQuickOverlayPrivate::QQuickOverlayPrivate() : modal(nullptr), - modeless(nullptr), - modalPopups(0) + modeless(nullptr) { } +void QQuickOverlayPrivate::addPopup(QQuickPopup *popup) +{ + Q_Q(QQuickOverlay); + allPopups += popup; + if (QQuickDrawer *drawer = qobject_cast<QQuickDrawer *>(popup)) { + allDrawers += drawer; + q->setVisible(!allDrawers.isEmpty() || !q->childItems().isEmpty()); + } +} + +void QQuickOverlayPrivate::removePopup(QQuickPopup *popup) +{ + Q_Q(QQuickOverlay); + allPopups.removeOne(popup); + if (allDrawers.removeOne(static_cast<QQuickDrawer *>(popup))) + q->setVisible(!allDrawers.isEmpty() || !q->childItems().isEmpty()); +} + QQuickOverlay::QQuickOverlay(QQuickItem *parent) : QQuickItem(*(new QQuickOverlayPrivate), parent) { + Q_D(QQuickOverlay); setZ(1000001); // DefaultWindowDecoration+1 setAcceptedMouseButtons(Qt::AllButtons); setFiltersChildMouseEvents(true); setVisible(false); + + if (parent) { + setSize(QSizeF(parent->width(), parent->height())); + QQuickItemPrivate::get(parent)->addItemChangeListener(d, QQuickItemPrivate::Geometry); + } +} + +QQuickOverlay::~QQuickOverlay() +{ + Q_D(QQuickOverlay); + if (QQuickItem *parent = parentItem()) + QQuickItemPrivate::get(parent)->removeItemChangeListener(d, QQuickItemPrivate::Geometry); } QQmlComponent *QQuickOverlay::modal() const @@ -216,6 +259,29 @@ void QQuickOverlay::setModeless(QQmlComponent *modeless) emit modelessChanged(); } +QQuickOverlay *QQuickOverlay::overlay(QQuickWindow *window) +{ + if (!window) + return nullptr; + + QQuickApplicationWindow *applicationWindow = qobject_cast<QQuickApplicationWindow *>(window); + if (applicationWindow) + return applicationWindow->overlay(); + + const char *name = "_q_QQuickOverlay"; + QQuickOverlay *overlay = window->property(name).value<QQuickOverlay *>(); + if (!overlay) { + QQuickItem *content = window->contentItem(); + // Do not re-create the overlay if the window is being destroyed + // and thus, its content item no longer has a window associated. + if (content->window()) { + overlay = new QQuickOverlay(window->contentItem()); + window->setProperty(name, QVariant::fromValue(overlay)); + } + } + return overlay; +} + void QQuickOverlay::itemChange(ItemChange change, const ItemChangeData &data) { Q_D(QQuickOverlay); @@ -224,37 +290,25 @@ void QQuickOverlay::itemChange(ItemChange change, const ItemChangeData &data) QQuickPopup *popup = nullptr; if (change == ItemChildAddedChange || change == ItemChildRemovedChange) { popup = qobject_cast<QQuickPopup *>(data.item->parent()); - setVisible(!childItems().isEmpty()); + setVisible(!d->allDrawers.isEmpty() || !childItems().isEmpty()); } if (!popup) return; if (change == ItemChildAddedChange) { - d->popups.append(popup); if (popup->dim()) d->createOverlay(popup); - - QQuickDrawer *drawer = qobject_cast<QQuickDrawer *>(popup); - if (drawer) { - d->drawers.append(drawer); - } else { - if (popup->isModal()) - ++d->modalPopups; - + QObjectPrivate::connect(popup, &QQuickPopup::dimChanged, d, &QQuickOverlayPrivate::toggleOverlay); + QObjectPrivate::connect(popup, &QQuickPopup::modalChanged, d, &QQuickOverlayPrivate::toggleOverlay); + if (!qobject_cast<QQuickDrawer *>(popup)) { QObjectPrivate::connect(popup, &QQuickPopup::aboutToShow, d, &QQuickOverlayPrivate::popupAboutToShow); QObjectPrivate::connect(popup, &QQuickPopup::aboutToHide, d, &QQuickOverlayPrivate::popupAboutToHide); } } else if (change == ItemChildRemovedChange) { - d->popups.removeOne(popup); d->destroyOverlay(popup); - - QQuickDrawer *drawer = qobject_cast<QQuickDrawer *>(popup); - if (drawer) { - d->drawers.removeOne(drawer); - } else { - if (popup->isModal()) - --d->modalPopups; - + QObjectPrivate::disconnect(popup, &QQuickPopup::dimChanged, d, &QQuickOverlayPrivate::toggleOverlay); + QObjectPrivate::disconnect(popup, &QQuickPopup::modalChanged, d, &QQuickOverlayPrivate::toggleOverlay); + if (!qobject_cast<QQuickDrawer *>(popup)) { QObjectPrivate::disconnect(popup, &QQuickPopup::aboutToShow, d, &QQuickOverlayPrivate::popupAboutToShow); QObjectPrivate::disconnect(popup, &QQuickPopup::aboutToHide, d, &QQuickOverlayPrivate::popupAboutToHide); } @@ -265,79 +319,86 @@ void QQuickOverlay::geometryChanged(const QRectF &newGeometry, const QRectF &old { Q_D(QQuickOverlay); QQuickItem::geometryChanged(newGeometry, oldGeometry); - for (QQuickPopup *popup : d->popups) + for (QQuickPopup *popup : qAsConst(d->allPopups)) d->resizeOverlay(popup); } -bool QQuickOverlay::event(QEvent *event) +void QQuickOverlay::mousePressEvent(QMouseEvent *event) { Q_D(QQuickOverlay); - switch (event->type()) { - case QEvent::MouseButtonPress: { - emit pressed(); + emit pressed(); + + if (!d->allDrawers.isEmpty()) { + // the overlay background was pressed, so there are no modal popups open. + // test if the press point lands on any drawer's drag margin + + const QVector<QQuickDrawer *> drawers = d->stackingOrderDrawers(); + for (QQuickDrawer *drawer : drawers) { + QQuickDrawerPrivate *p = QQuickDrawerPrivate::get(drawer); + if (p->startDrag(window(), event)) { + d->mouseGrabberPopup = drawer; + return; + } + } + } + + if (!d->mouseGrabberPopup) { const auto popups = d->stackingOrderPopups(); for (QQuickPopup *popup : popups) { if (popup->overlayEvent(this, event)) { d->mouseGrabberPopup = popup; - return true; + return; } } - break; } - case QEvent::MouseMove: - if (d->mouseGrabberPopup) { - if (d->mouseGrabberPopup->overlayEvent(this, event)) - return true; - } else { - const auto popups = d->stackingOrderPopups(); - for (QQuickPopup *popup : popups) { - if (popup->overlayEvent(this, event)) - return true; - } - } - break; - case QEvent::MouseButtonRelease: - emit released(); - if (d->mouseGrabberPopup) { - QQuickPopup *grabber = d->mouseGrabberPopup; - d->mouseGrabberPopup = nullptr; - if (grabber->overlayEvent(this, event)) - return true; - } else { - const auto popups = d->stackingOrderPopups(); - for (QQuickPopup *popup : popups) { - if (popup->overlayEvent(this, event)) - return true; - } + + event->ignore(); +} + +void QQuickOverlay::mouseMoveEvent(QMouseEvent *event) +{ + Q_D(QQuickOverlay); + if (d->mouseGrabberPopup) + d->mouseGrabberPopup->overlayEvent(this, event); +} + +void QQuickOverlay::mouseReleaseEvent(QMouseEvent *event) +{ + Q_D(QQuickOverlay); + emit released(); + + if (d->mouseGrabberPopup) { + d->mouseGrabberPopup->overlayEvent(this, event); + d->mouseGrabberPopup = nullptr; + } else { + const auto popups = d->stackingOrderPopups(); + for (QQuickPopup *popup : popups) { + if (popup->overlayEvent(this, event)) + break; } - break; - default: - break; } - - return QQuickItem::event(event); } bool QQuickOverlay::childMouseEventFilter(QQuickItem *item, QEvent *event) { Q_D(QQuickOverlay); - if (d->modalPopups == 0) - return false; - // TODO Filter touch events - if (event->type() != QEvent::MouseButtonPress) - return false; - while (item->parentItem() != this) - item = item->parentItem(); - - const auto popups = d->stackingOrderPopups(); - for (QQuickPopup *popup : popups) { - if (popup->popupItem() == item) - break; - - if (popup->overlayEvent(item, event)) - return true; + for (QQuickPopup *popup : qAsConst(d->allPopups)) { + QQuickItem *dimmer = QQuickPopupPrivate::get(popup)->dimmer; + if (item == dimmer) { + switch (event->type()) { + case QEvent::MouseButtonPress: + emit pressed(); + return popup->overlayEvent(item, event); + case QEvent::MouseMove: + return popup->overlayEvent(item, event); + case QEvent::MouseButtonRelease: + emit released(); + return popup->overlayEvent(item, event); + default: + break; + } + } } - return false; } |