| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtQuick module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** 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.LGPL3 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-3.0.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 (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
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| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qquickwindow.h" |
| #include "qquickitem.h" |
| #include "qquickwindowattached_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| // QDoc comments must go in qquickwindow.cpp to avoid overwriting the Window docs |
| |
| QQuickWindowAttached::QQuickWindowAttached(QObject* attachee) |
| : QObject(attachee) |
| , m_window(nullptr) |
| { |
| m_attachee = qobject_cast<QQuickItem*>(attachee); |
| if (m_attachee && m_attachee->window()) // It might not be in a window yet |
| windowChange(m_attachee->window()); |
| if (m_attachee) |
| connect(m_attachee, &QQuickItem::windowChanged, this, &QQuickWindowAttached::windowChange); |
| } |
| |
| QWindow::Visibility QQuickWindowAttached::visibility() const |
| { |
| return (m_window ? m_window->visibility() : QWindow::Hidden); |
| } |
| |
| bool QQuickWindowAttached::isActive() const |
| { |
| return (m_window ? m_window->isActive() : false); |
| } |
| |
| QQuickItem *QQuickWindowAttached::activeFocusItem() const |
| { |
| return (m_window ? m_window->activeFocusItem() : nullptr); |
| } |
| |
| QQuickItem *QQuickWindowAttached::contentItem() const |
| { |
| return (m_window ? m_window->contentItem() : nullptr); |
| } |
| |
| int QQuickWindowAttached::width() const |
| { |
| return (m_window ? m_window->width() : 0); |
| } |
| |
| int QQuickWindowAttached::height() const |
| { |
| return (m_window ? m_window->height() : 0); |
| } |
| |
| QQuickWindow *QQuickWindowAttached::window() const |
| { |
| return m_window; |
| } |
| |
| void QQuickWindowAttached::windowChange(QQuickWindow *window) |
| { |
| if (window != m_window) { |
| QQuickWindow* oldWindow = m_window; |
| m_window = window; |
| |
| if (oldWindow) |
| oldWindow->disconnect(this); |
| |
| emit windowChanged(); |
| |
| if (!oldWindow || !window || window->visibility() != oldWindow->visibility()) |
| emit visibilityChanged(); |
| if (!oldWindow || !window || window->isActive() != oldWindow->isActive()) |
| emit activeChanged(); |
| if (!oldWindow || !window || window->activeFocusItem() != oldWindow->activeFocusItem()) |
| emit activeFocusItemChanged(); |
| emit contentItemChanged(); |
| if (!oldWindow || !window || window->width() != oldWindow->width()) |
| emit widthChanged(); |
| if (!oldWindow || !window || window->height() != oldWindow->height()) |
| emit heightChanged(); |
| |
| if (!window) |
| return; |
| |
| // QQuickWindowQmlImpl::visibilityChanged also exists, and window might even |
| // be QQuickWindowQmlImpl, but that's not what we are connecting to. |
| // So this is actual window state rather than a buffered or as-requested one. |
| // If we used the metaobject connect syntax there would be a warning: |
| // QMetaObjectPrivate::indexOfSignalRelative - QMetaObject::indexOfSignal: |
| // signal visibilityChanged(QWindow::Visibility) from QQuickWindow redefined in QQuickWindowQmlImpl |
| connect(window, &QQuickWindow::visibilityChanged, |
| this, &QQuickWindowAttached::visibilityChanged); |
| connect(window, &QQuickWindow::activeChanged, |
| this, &QQuickWindowAttached::activeChanged); |
| connect(window, &QQuickWindow::activeFocusItemChanged, |
| this, &QQuickWindowAttached::activeFocusItemChanged); |
| connect(window, &QQuickWindow::widthChanged, |
| this, &QQuickWindowAttached::widthChanged); |
| connect(window, &QQuickWindow::heightChanged, |
| this, &QQuickWindowAttached::heightChanged); |
| } |
| } |
| |
| QT_END_NAMESPACE |
| |
| #include "moc_qquickwindowattached_p.cpp" |