1 files changed, 378 insertions, 0 deletions
diff --git a/src/labs/platform/qquicklabsplatformdialog.cpp b/src/labs/platform/qquicklabsplatformdialog.cpp
new file mode 100644
index 0000000000..1e38d2d782
--- /dev/null
+++ b/src/labs/platform/qquicklabsplatformdialog.cpp
@@ -0,0 +1,378 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include "qquicklabsplatformdialog_p.h"
+
+#include <QtCore/qloggingcategory.h>
+#include <QtGui/private/qguiapplication_p.h>
+#include <QtQuick/qquickitem.h>
+#include <QtQuick/qquickwindow.h>
+
+#include "widgets/qwidgetplatform_p.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \qmltype Dialog
+    \inherits QtObject
+//! \instantiates QQuickLabsPlatformDialog
+    \inqmlmodule Qt.labs.platform
+    \since 5.8
+    \brief The base class of native dialogs.
+
+    The Dialog type provides common QML API for native platform dialogs.
+
+    To show a native dialog, construct an instance of one of the concrete
+    Dialog implementations, set the desired properties, and call \l open().
+    Dialog emits \l accepted() or \l rejected() when the user is done with
+    the dialog.
+
+    \labs
+*/
+
+/*!
+    \qmlsignal void Qt.labs.platform::Dialog::accepted()
+
+    This signal is emitted when the dialog has been accepted either
+    interactively or by calling \l accept().
+
+    \note This signal is \e not emitted when closing the dialog with \l close().
+
+    \sa rejected()
+*/
+
+/*!
+    \qmlsignal void Qt.labs.platform::Dialog::rejected()
+
+    This signal is emitted when the dialog has been rejected either
+    interactively or by calling \l reject().
+
+    \note This signal is \e not emitted when closing the dialog with \l close().
+
+    \sa accepted()
+*/
+
+Q_LOGGING_CATEGORY(qtLabsPlatformDialogs, "qt.labs.platform.dialogs")
+
+QQuickLabsPlatformDialog::QQuickLabsPlatformDialog(QPlatformTheme::DialogType type, QObject *parent)
+    : QObject(parent),
+      m_visible(false),
+      m_complete(false),
+      m_result(0),
+      m_parentWindow(nullptr),
+      m_flags(Qt::Dialog),
+      m_modality(Qt::WindowModal),
+      m_type(type),
+      m_handle(nullptr)
+{
+}
+
+QQuickLabsPlatformDialog::~QQuickLabsPlatformDialog()
+{
+    destroy();
+}
+
+QPlatformDialogHelper *QQuickLabsPlatformDialog::handle() const
+{
+    return m_handle;
+}
+
+/*!
+    \qmldefault
+    \qmlproperty list<QtObject> Qt.labs.platform::Dialog::data
+
+    This default property holds the list of all objects declared as children of
+    the dialog.
+*/
+QQmlListProperty<QObject> QQuickLabsPlatformDialog::data()
+{
+    return QQmlListProperty<QObject>(this, &m_data);
+}
+
+/*!
+    \qmlproperty Window Qt.labs.platform::Dialog::parentWindow
+
+    This property holds the parent window of the dialog.
+
+    Unless explicitly set, the window is automatically resolved by iterating
+    the QML parent objects until a \l Window or an \l Item that has a window
+    is found.
+*/
+QWindow *QQuickLabsPlatformDialog::parentWindow() const
+{
+    return m_parentWindow;
+}
+
+void QQuickLabsPlatformDialog::setParentWindow(QWindow *window)
+{
+    if (m_parentWindow == window)
+        return;
+
+    m_parentWindow = window;
+    emit parentWindowChanged();
+}
+
+/*!
+    \qmlproperty string Qt.labs.platform::Dialog::title
+
+    This property holds the title of the dialog.
+*/
+QString QQuickLabsPlatformDialog::title() const
+{
+    return m_title;
+}
+
+void QQuickLabsPlatformDialog::setTitle(const QString &title)
+{
+    if (m_title == title)
+        return;
+
+    m_title = title;
+    emit titleChanged();
+}
+
+/*!
+    \qmlproperty Qt::WindowFlags Qt.labs.platform::Dialog::flags
+
+    This property holds the window flags of the dialog. The default value is \c Qt.Dialog.
+*/
+Qt::WindowFlags QQuickLabsPlatformDialog::flags() const
+{
+    return m_flags;
+}
+
+void QQuickLabsPlatformDialog::setFlags(Qt::WindowFlags flags)
+{
+    if (m_flags == flags)
+        return;
+
+    m_flags = flags;
+    emit flagsChanged();
+}
+
+/*!
+    \qmlproperty Qt::WindowModality Qt.labs.platform::Dialog::modality
+
+    This property holds the modality of the dialog. The default value is \c Qt.WindowModal.
+
+    Available values:
+    \value Qt.NonModal The dialog is not modal and does not block input to other windows.
+    \value Qt.WindowModal The dialog is modal to a single window hierarchy and blocks input to its parent window, all grandparent windows, and all siblings of its parent and grandparent windows.
+    \value Qt.ApplicationModal The dialog is modal to the application and blocks input to all windows.
+*/
+Qt::WindowModality QQuickLabsPlatformDialog::modality() const
+{
+    return m_modality;
+}
+
+void QQuickLabsPlatformDialog::setModality(Qt::WindowModality modality)
+{
+    if (m_modality == modality)
+        return;
+
+    m_modality = modality;
+    emit modalityChanged();
+}
+
+/*!
+    \qmlproperty bool Qt.labs.platform::Dialog::visible
+
+    This property holds the visibility of the dialog. The default value is \c false.
+
+    \sa open(), close()
+*/
+bool QQuickLabsPlatformDialog::isVisible() const
+{
+    return m_handle && m_visible;
+}
+
+void QQuickLabsPlatformDialog::setVisible(bool visible)
+{
+    if (visible)
+        open();
+    else
+        close();
+}
+
+/*!
+    \qmlproperty int Qt.labs.platform::Dialog::result
+
+    This property holds the result code.
+
+    Standard result codes:
+    \value Dialog.Accepted
+    \value Dialog.Rejected
+
+    \note MessageDialog sets the result to the value of the clicked standard
+          button instead of using the standard result codes.
+*/
+int QQuickLabsPlatformDialog::result() const
+{
+    return m_result;
+}
+
+void QQuickLabsPlatformDialog::setResult(int result)
+{
+    if (m_result == result)
+        return;
+
+    m_result = result;
+    emit resultChanged();
+}
+
+/*!
+    \qmlmethod void Qt.labs.platform::Dialog::open()
+
+    Opens the dialog.
+
+    \sa visible, close()
+*/
+void QQuickLabsPlatformDialog::open()
+{
+    if (m_visible || !create())
+        return;
+
+    onShow(m_handle);
+    m_visible = m_handle->show(m_flags, m_modality, m_parentWindow);
+    if (m_visible)
+        emit visibleChanged();
+}
+
+/*!
+    \qmlmethod void Qt.labs.platform::Dialog::close()
+
+    Closes the dialog.
+
+    \sa visible, open()
+*/
+void QQuickLabsPlatformDialog::close()
+{
+    if (!m_handle || !m_visible)
+        return;
+
+    onHide(m_handle);
+    m_handle->hide();
+    m_visible = false;
+    emit visibleChanged();
+}
+
+/*!
+    \qmlmethod void Qt.labs.platform::Dialog::accept()
+
+    Closes the dialog and emits the \l accepted() signal.
+
+    \sa reject()
+*/
+void QQuickLabsPlatformDialog::accept()
+{
+    done(Accepted);
+}
+
+/*!
+    \qmlmethod void Qt.labs.platform::Dialog::reject()
+
+    Closes the dialog and emits the \l rejected() signal.
+
+    \sa accept()
+*/
+void QQuickLabsPlatformDialog::reject()
+{
+    done(Rejected);
+}
+
+/*!
+    \qmlmethod void Qt.labs.platform::Dialog::done(int result)
+
+    Closes the dialog and sets the \a result.
+
+    \sa accept(), reject(), result
+*/
+void QQuickLabsPlatformDialog::done(int result)
+{
+    close();
+    setResult(result);
+
+    if (result == Accepted)
+        emit accepted();
+    else if (result == Rejected)
+        emit rejected();
+}
+
+void QQuickLabsPlatformDialog::classBegin()
+{
+}
+
+void QQuickLabsPlatformDialog::componentComplete()
+{
+    m_complete = true;
+    if (!m_parentWindow)
+        setParentWindow(findParentWindow());
+}
+
+static const char *qmlTypeName(const QObject *object)
+{
+    return object->metaObject()->className() + qstrlen("QQuickLabsPlatform");
+}
+
+bool QQuickLabsPlatformDialog::create()
+{
+    if (!m_handle) {
+        if (useNativeDialog())
+            m_handle = QGuiApplicationPrivate::platformTheme()->createPlatformDialogHelper(m_type);
+        if (!m_handle)
+            m_handle = QWidgetPlatform::createDialog(m_type, this);
+        qCDebug(qtLabsPlatformDialogs) << qmlTypeName(this) << "->" << m_handle;
+        if (m_handle) {
+            onCreate(m_handle);
+            connect(m_handle, &QPlatformDialogHelper::accept, this, &QQuickLabsPlatformDialog::accept);
+            connect(m_handle, &QPlatformDialogHelper::reject, this, &QQuickLabsPlatformDialog::reject);
+        }
+    }
+    return m_handle;
+}
+
+void QQuickLabsPlatformDialog::destroy()
+{
+    delete m_handle;
+    m_handle = nullptr;
+}
+
+bool QQuickLabsPlatformDialog::useNativeDialog() const
+{
+    return !QCoreApplication::testAttribute(Qt::AA_DontUseNativeDialogs)
+            && QGuiApplicationPrivate::platformTheme()->usePlatformNativeDialog(m_type);
+}
+
+void QQuickLabsPlatformDialog::onCreate(QPlatformDialogHelper *dialog)
+{
+    Q_UNUSED(dialog);
+}
+
+void QQuickLabsPlatformDialog::onShow(QPlatformDialogHelper *dialog)
+{
+    Q_UNUSED(dialog);
+}
+
+void QQuickLabsPlatformDialog::onHide(QPlatformDialogHelper *dialog)
+{
+    Q_UNUSED(dialog);
+}
+
+QWindow *QQuickLabsPlatformDialog::findParentWindow() const
+{
+    QObject *obj = parent();
+    while (obj) {
+        QWindow *window = qobject_cast<QWindow *>(obj);
+        if (window)
+            return window;
+        QQuickItem *item = qobject_cast<QQuickItem *>(obj);
+        if (item && item->window())
+            return item->window();
+        obj = obj->parent();
+    }
+    return nullptr;
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qquicklabsplatformdialog_p.cpp"