Templates: rename the C++ module to qtquicktemplates2

Change-Id: I146da903b46f5c2caf865e37291c25376b49021a
Reviewed-by: J-P Nurmi <jpnurmi@theqtcompany.com>

1 files changed, 274 insertions, 0 deletions

diff --git a/src/quicktemplates2/qquickoverlay.cpp b/src/quicktemplates2/qquickoverlay.cpp
new file mode 100644
index 00000000..4977d08d
--- /dev/null
+++ b/src/quicktemplates2/qquickoverlay.cpp
@@ -0,0 +1,274 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Labs Templates 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 "qquickoverlay_p.h"
+#include "qquickpopup_p_p.h"
+#include "qquickdrawer_p.h"
+#include <QtQml/qqmlinfo.h>
+#include <QtQml/qqmlproperty.h>
+#include <QtQuick/private/qquickitem_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQuickOverlayPrivate : public QQuickItemPrivate
+{
+    Q_DECLARE_PUBLIC(QQuickOverlay)
+
+public:
+    QQuickOverlayPrivate();
+
+    void popupAboutToShow();
+    void popupAboutToHide();
+    void drawerPositionChange();
+    void resizeBackground();
+
+    QQuickItem *background;
+    QVector<QQuickDrawer *> drawers;
+    QVector<QQuickPopup *> popups;
+    QPointer<QQuickPopup> mouseGrabberPopup;
+    int modalPopups;
+};
+
+void QQuickOverlayPrivate::popupAboutToShow()
+{
+    Q_Q(QQuickOverlay);
+    if (!background)
+        return;
+
+    QQuickPopup *popup = qobject_cast<QQuickPopup *>(q->sender());
+    if (!popup || !popup->isModal())
+        return;
+
+    // use QQmlProperty instead of QQuickItem::setOpacity() to trigger QML Behaviors
+    QQmlProperty::write(background, QStringLiteral("opacity"), 1.0);
+}
+
+void QQuickOverlayPrivate::popupAboutToHide()
+{
+    Q_Q(QQuickOverlay);
+    if (!background || modalPopups > 1)
+        return;
+
+    QQuickPopup *popup = qobject_cast<QQuickPopup *>(q->sender());
+    if (!popup || !popup->isModal())
+        return;
+
+    // use QQmlProperty instead of QQuickItem::setOpacity() to trigger QML Behaviors
+    QQmlProperty::write(background, QStringLiteral("opacity"), 0.0);
+}
+
+void QQuickOverlayPrivate::drawerPositionChange()
+{
+    Q_Q(QQuickOverlay);
+    QQuickDrawer *drawer = qobject_cast<QQuickDrawer *>(q->sender());
+    if (!background || !drawer || !drawer->isModal())
+        return;
+
+    // call QQuickItem::setOpacity() directly to avoid triggering QML Behaviors
+    // which would make the fading feel laggy compared to the drawer movement
+    background->setOpacity(drawer->position());
+}
+
+void QQuickOverlayPrivate::resizeBackground()
+{
+    Q_Q(QQuickOverlay);
+    background->setWidth(q->width());
+    background->setHeight(q->height());
+}
+
+QQuickOverlayPrivate::QQuickOverlayPrivate() :
+    background(nullptr),
+    modalPopups(0)
+{
+}
+
+QQuickOverlay::QQuickOverlay(QQuickItem *parent)
+    : QQuickItem(*(new QQuickOverlayPrivate), parent)
+{
+    setAcceptedMouseButtons(Qt::AllButtons);
+    setFiltersChildMouseEvents(true);
+    setVisible(false);
+}
+
+
+QQuickItem *QQuickOverlay::background() const
+{
+    Q_D(const QQuickOverlay);
+    return d->background;
+}
+
+void QQuickOverlay::setBackground(QQuickItem *background)
+{
+    Q_D(QQuickOverlay);
+    if (d->background == background)
+        return;
+
+    delete d->background;
+    d->background = background;
+    if (background) {
+        background->setOpacity(0.0);
+        background->setParentItem(this);
+        if (qFuzzyIsNull(background->z()))
+            background->setZ(-1);
+        if (isComponentComplete())
+            d->resizeBackground();
+    }
+    emit backgroundChanged();
+}
+
+void QQuickOverlay::itemChange(ItemChange change, const ItemChangeData &data)
+{
+    Q_D(QQuickOverlay);
+    QQuickItem::itemChange(change, data);
+
+    QQuickPopup *popup = nullptr;
+    if (change == ItemChildAddedChange || change == ItemChildRemovedChange) {
+        popup = qobject_cast<QQuickPopup *>(data.item->parent());
+        setVisible(!childItems().isEmpty());
+    }
+    if (!popup)
+        return;
+
+    if (change == ItemChildAddedChange) {
+        d->popups.append(popup);
+
+        QQuickDrawer *drawer = qobject_cast<QQuickDrawer *>(popup);
+        if (drawer) {
+            QObjectPrivate::connect(drawer, &QQuickDrawer::positionChanged, d, &QQuickOverlayPrivate::drawerPositionChange);
+            d->drawers.append(drawer);
+        } else {
+            if (popup->isModal())
+                ++d->modalPopups;
+
+            QObjectPrivate::connect(popup, &QQuickPopup::aboutToShow, d, &QQuickOverlayPrivate::popupAboutToShow);
+            QObjectPrivate::connect(popup, &QQuickPopup::aboutToHide, d, &QQuickOverlayPrivate::popupAboutToHide);
+        }
+    } else if (change == ItemChildRemovedChange) {
+        d->popups.removeOne(popup);
+
+        QQuickDrawer *drawer = qobject_cast<QQuickDrawer *>(popup);
+        if (drawer) {
+            QObjectPrivate::disconnect(drawer, &QQuickDrawer::positionChanged, d, &QQuickOverlayPrivate::drawerPositionChange);
+            d->drawers.removeOne(drawer);
+        } else {
+            if (popup->isModal())
+                --d->modalPopups;
+
+            QObjectPrivate::disconnect(popup, &QQuickPopup::aboutToShow, d, &QQuickOverlayPrivate::popupAboutToShow);
+            QObjectPrivate::disconnect(popup, &QQuickPopup::aboutToHide, d, &QQuickOverlayPrivate::popupAboutToHide);
+        }
+    }
+}
+
+void QQuickOverlay::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
+{
+    Q_D(QQuickOverlay);
+    QQuickItem::geometryChanged(newGeometry, oldGeometry);
+    if (d->background)
+        d->resizeBackground();
+}
+
+bool QQuickOverlay::event(QEvent *event)
+{
+    Q_D(QQuickOverlay);
+    switch (event->type()) {
+    case QEvent::MouseButtonPress:
+        emit pressed();
+        for (auto it = d->popups.crbegin(), end = d->popups.crend(); it != end; ++it) {
+            if ((*it)->overlayEvent(this, event)) {
+                d->mouseGrabberPopup = *it;
+                return true;
+            }
+        }
+        break;
+    case QEvent::MouseMove:
+        if (d->mouseGrabberPopup) {
+            if (d->mouseGrabberPopup->overlayEvent(this, event))
+                return true;
+        } else {
+            for (auto it = d->popups.crbegin(), end = d->popups.crend(); it != end; ++it) {
+                if ((*it)->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 {
+            for (auto it = d->popups.crbegin(), end = d->popups.crend(); it != end; ++it) {
+                if ((*it)->overlayEvent(this, event))
+                    return true;
+            }
+        }
+        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 QList<QQuickItem *> sortedChildren = d->paintOrderChildItems();
+    for (auto it = sortedChildren.rbegin(), end = sortedChildren.rend(); it != end; ++it) {
+        QQuickItem *popupItem = *it;
+        if (popupItem == item)
+            break;
+
+        QQuickPopup *popup = qobject_cast<QQuickPopup *>(popupItem->parent());
+        if (popup && popup->overlayEvent(item, event))
+            return true;
+    }
+
+    return false;
+}
+
+QT_END_NAMESPACE