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Diffstat (limited to 'src/imports/dialogs/qquickabstractdialog.cpp')
| -rw-r--r-- | src/imports/dialogs/qquickabstractdialog.cpp | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/src/imports/dialogs/qquickabstractdialog.cpp b/src/imports/dialogs/qquickabstractdialog.cpp new file mode 100644 index 0000000000..abdc9e067c --- /dev/null +++ b/src/imports/dialogs/qquickabstractdialog.cpp @@ -0,0 +1,248 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtQuick.Dialogs 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 +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 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 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickabstractdialog_p.h" +#include "qquickitem.h" + +#include <private/qguiapplication_p.h> +#include <QWindow> +#include <QQuickWindow> +#include <qpa/qplatformintegration.h> + +QT_BEGIN_NAMESPACE + +QQuickAbstractDialog::QQuickAbstractDialog(QObject *parent) + : QObject(parent) + , m_parentWindow(0) + , m_visible(false) + , m_modality(Qt::WindowModal) + , m_qmlImplementation(0) + , m_dialogWindow(0) +{ +} + +QQuickAbstractDialog::~QQuickAbstractDialog() +{ +} + +void QQuickAbstractDialog::setVisible(bool v) +{ + if (m_visible == v) return; + m_visible = v; + if (helper()) { + if (v) { + Qt::WindowFlags flags = Qt::Dialog; + if (!title().isEmpty()) + flags |= Qt::WindowTitleHint; + m_visible = helper()->show(flags, m_modality, parentWindow()); + } else { + helper()->hide(); + } + } else { + // For a pure QML implementation, there is no helper. + // But m_implementation is probably either an Item or a Window at this point. + if (!m_dialogWindow) { + m_dialogWindow = qobject_cast<QWindow *>(m_qmlImplementation); + if (!m_dialogWindow) { + QQuickItem *dlgItem = qobject_cast<QQuickItem *>(m_qmlImplementation); + if (dlgItem) { + m_dialogWindow = dlgItem->window(); + // An Item-based dialog implementation doesn't come with a window, so + // we have to instantiate one iff the platform allows it. + if (!m_dialogWindow && QGuiApplicationPrivate::platformIntegration()-> + hasCapability(QPlatformIntegration::MultipleWindows)) { + QQuickWindow *win = new QQuickWindow; + ((QObject *)win)->setParent(this); // memory management only + m_dialogWindow = win; + dlgItem->setParentItem(win->contentItem()); + m_dialogWindow->setMinimumSize(QSize(dlgItem->width(), dlgItem->height())); + connect(win, SIGNAL(widthChanged(int)), this, SLOT(windowGeometryChanged())); + connect(win, SIGNAL(heightChanged(int)), this, SLOT(windowGeometryChanged())); + } + + QQuickItem *parentItem = qobject_cast<QQuickItem *>(parent()); + // qDebug() << "item implementation" << dlgItem << "has window" << m_dialogWindow << "and parent" << parentItem; + + // If the platform does not support multiple windows, but the dialog is + // implemented as an Item, then just reparent it and make it visible. + // TODO QTBUG-29818: put it into a fake Item-based window, when we have a reusable self-decorated one. + if (parentItem && !m_dialogWindow) + dlgItem->setParentItem(parentItem); + } + } + if (m_dialogWindow) + connect(m_dialogWindow, SIGNAL(visibleChanged(bool)), this, SLOT(visibleChanged(bool))); + } + if (m_dialogWindow) { + if (v) { + m_dialogWindow->setTransientParent(parentWindow()); + m_dialogWindow->setTitle(title()); + m_dialogWindow->setModality(m_modality); + } + m_dialogWindow->setVisible(v); + } + } + + emit visibilityChanged(); +} + +void QQuickAbstractDialog::setModality(Qt::WindowModality m) +{ + if (m_modality == m) return; + m_modality = m; + emit modalityChanged(); +} + +void QQuickAbstractDialog::accept() +{ + setVisible(false); + emit accepted(); +} + +void QQuickAbstractDialog::reject() +{ + setVisible(false); + emit rejected(); +} + +void QQuickAbstractDialog::visibleChanged(bool v) +{ + m_visible = v; + emit visibilityChanged(); +} + +void QQuickAbstractDialog::windowGeometryChanged() +{ + QQuickItem *content = qobject_cast<QQuickItem*>(m_qmlImplementation); +qDebug() << Q_FUNC_INFO << m_dialogWindow << content; + if (m_dialogWindow && content) { + content->setWidth(m_dialogWindow->width()); + content->setHeight(m_dialogWindow->height()); + } +} + +QQuickWindow *QQuickAbstractDialog::parentWindow() +{ + QQuickItem *parentItem = qobject_cast<QQuickItem *>(parent()); + if (parentItem) + m_parentWindow = parentItem->window(); + return m_parentWindow; +} + +void QQuickAbstractDialog::setQmlImplementation(QObject *obj) +{ + m_qmlImplementation = obj; + if (m_dialogWindow) { + disconnect(this, SLOT(visibleChanged(bool))); + // Can't necessarily delete because m_dialogWindow might have been provided by the QML. + m_dialogWindow = 0; + } +} + +int QQuickAbstractDialog::x() const +{ + if (m_dialogWindow) + return m_dialogWindow->x(); + return -1; +} + +int QQuickAbstractDialog::y() const +{ + if (m_dialogWindow) + return m_dialogWindow->y(); + return -1; +} + +int QQuickAbstractDialog::width() const +{ + if (m_dialogWindow) + return m_dialogWindow->width(); + return -1; +} + +int QQuickAbstractDialog::height() const +{ + if (m_dialogWindow) + return m_dialogWindow->height(); + return -1; +} + +void QQuickAbstractDialog::setX(int arg) +{ + if (helper()) { + // TODO + } else if (m_dialogWindow) { + m_dialogWindow->setX(arg); + } + emit geometryChanged(); +} + +void QQuickAbstractDialog::setY(int arg) +{ + if (helper()) { + // TODO + } else if (m_dialogWindow) { + m_dialogWindow->setY(arg); + } + emit geometryChanged(); +} + +void QQuickAbstractDialog::setWidth(int arg) +{ + if (helper()) { + // TODO + } else if (m_dialogWindow) { + m_dialogWindow->setWidth(arg); + } + emit geometryChanged(); +} + +void QQuickAbstractDialog::setHeight(int arg) +{ + if (helper()) { + // TODO + } else if (m_dialogWindow) { + m_dialogWindow->setHeight(arg); + } + emit geometryChanged(); +} + +QT_END_NAMESPACE |