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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Dialogs 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 <QtQml/qqml.h>
#include <QtQml/qqmlextensionplugin.h>
#include <QtQml/qqmlcomponent.h>
#include "qquickmessagedialog_p.h"
#include "qquickabstractmessagedialog_p.h"
#include "qquickdialogassets_p.h"
#include "qquickplatformmessagedialog_p.h"
#include "qquickfiledialog_p.h"
#include "qquickabstractfiledialog_p.h"
#include "qquickplatformfiledialog_p.h"
#include "qquickcolordialog_p.h"
#include "qquickabstractcolordialog_p.h"
#include "qquickplatformcolordialog_p.h"
#include "qquickfontdialog_p.h"
#include "qquickabstractfontdialog_p.h"
#include "qquickplatformfontdialog_p.h"
#include "qquickdialog_p.h"
#include <private/qguiapplication_p.h>
#include <qpa/qplatformintegration.h>
#include <QTouchDevice>
//#define PURE_QML_ONLY
Q_LOGGING_CATEGORY(lcRegistration, "qt.quick.dialogs.registration")
static void initResources()
{
Q_INIT_RESOURCE(dialogs);
}
QT_BEGIN_NAMESPACE
/*!
\qmlmodule QtQuick.Dialogs 1.2
\title Qt Quick Dialogs QML Types
\ingroup qmlmodules
\brief Provides QML types for standard file, color picker and message dialogs
This QML module contains types for creating and interacting with system dialogs.
To use the types in this module, import the module with the following line:
\code
import QtQuick.Dialogs 1.2
\endcode
*/
class QtQuick2DialogsPlugin : public QQmlExtensionPlugin
{
Q_OBJECT
Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QQmlExtensionInterface/1.0")
public:
QtQuick2DialogsPlugin() : QQmlExtensionPlugin(), m_useResources(true) { }
virtual void initializeEngine(QQmlEngine *engine, const char * uri) {
qCDebug(lcRegistration) << uri << m_decorationComponentUrl;
QQuickAbstractDialog::m_decorationComponent =
new QQmlComponent(engine, m_decorationComponentUrl, QQmlComponent::Asynchronous);
}
virtual void registerTypes(const char *uri) {
initResources();
Q_ASSERT(QLatin1String(uri) == QLatin1String("QtQuick.Dialogs"));
bool hasTopLevelWindows = QGuiApplicationPrivate::platformIntegration()->
hasCapability(QPlatformIntegration::MultipleWindows);
qCDebug(lcRegistration) << uri << "can use top-level windows?" << hasTopLevelWindows;
QDir qmlDir(baseUrl().toLocalFile());
QDir widgetsDir(baseUrl().toLocalFile());
widgetsDir.cd("../PrivateWidgets");
#ifndef ALWAYS_LOAD_FROM_RESOURCES
// If at least one file was actually installed, then use installed qml files instead of resources.
// This makes debugging and incremental development easier, whereas the "normal" installation
// uses resources to save space and cut down on the number of files to deploy.
if (qmlDir.exists(QString("DefaultFileDialog.qml")))
m_useResources = false;
#endif
m_decorationComponentUrl = m_useResources ?
QUrl("qrc:/QtQuick/Dialogs/qml/DefaultWindowDecoration.qml") :
QUrl::fromLocalFile(qmlDir.filePath(QString("qml/DefaultWindowDecoration.qml")));
// Prefer the QPA dialog helpers if the platform supports them.
// Else if there is a QWidget-based implementation, check whether it's
// possible to instantiate it from Qt Quick.
// Otherwise fall back to a pure-QML implementation.
// MessageDialog
qmlRegisterUncreatableType<QQuickStandardButton>(uri, 1, 1, "StandardButton",
QLatin1String("Do not create objects of type StandardButton"));
qmlRegisterUncreatableType<QQuickStandardIcon>(uri, 1, 1, "StandardIcon",
QLatin1String("Do not create objects of type StandardIcon"));
#ifndef PURE_QML_ONLY
if (QGuiApplicationPrivate::platformTheme()->usePlatformNativeDialog(QPlatformTheme::MessageDialog))
qmlRegisterType<QQuickPlatformMessageDialog>(uri, 1, 0, "MessageDialog");
else
#endif
registerWidgetOrQmlImplementation<QQuickMessageDialog>(widgetsDir, qmlDir, "MessageDialog", uri, hasTopLevelWindows, 1, 1);
// FileDialog
#ifndef PURE_QML_ONLY
// We register the QML version of the filedialog, even if the platform has native support.
// QQuickAbstractDialog::setVisible() will check if a native dialog can be shown, and
// only fall back to use the QML version if showing fails.
if (QGuiApplicationPrivate::platformTheme()->usePlatformNativeDialog(QPlatformTheme::FileDialog))
registerQmlImplementation<QQuickPlatformFileDialog>(qmlDir, "FileDialog", uri, 1, 0);
else
#endif
registerWidgetOrQmlImplementation<QQuickFileDialog>(widgetsDir, qmlDir, "FileDialog", uri, hasTopLevelWindows, 1, 0);
// ColorDialog
#ifndef PURE_QML_ONLY
if (QGuiApplicationPrivate::platformTheme()->usePlatformNativeDialog(QPlatformTheme::ColorDialog))
qmlRegisterType<QQuickPlatformColorDialog>(uri, 1, 0, "ColorDialog");
else
#endif
registerWidgetOrQmlImplementation<QQuickColorDialog>(widgetsDir, qmlDir, "ColorDialog", uri, hasTopLevelWindows, 1, 0);
// FontDialog
#ifndef PURE_QML_ONLY
if (QGuiApplicationPrivate::platformTheme()->usePlatformNativeDialog(QPlatformTheme::FontDialog))
qmlRegisterType<QQuickPlatformFontDialog>(uri, 1, 1, "FontDialog");
else
#endif
registerWidgetOrQmlImplementation<QQuickFontDialog>(widgetsDir, qmlDir, "FontDialog", uri, hasTopLevelWindows, 1, 1);
// Dialog
{
// @uri QtQuick.Dialogs.AbstractDialog
qmlRegisterType<QQuickDialog>(uri, 1, 2, "AbstractDialog"); // implementation wrapper
QUrl dialogQmlPath = m_useResources ?
QUrl("qrc:/QtQuick/Dialogs/DefaultDialogWrapper.qml") :
QUrl::fromLocalFile(qmlDir.filePath("DefaultDialogWrapper.qml"));
qCDebug(lcRegistration) << " registering" << dialogQmlPath << "as Dialog";
qmlRegisterType(dialogQmlPath, uri, 1, 2, "Dialog");
}
}
protected:
template <class WrapperType>
void registerWidgetOrQmlImplementation(const QDir &widgetsDir, const QDir &qmlDir,
const char *qmlName, const char *uri, bool hasTopLevelWindows, int versionMajor, int versionMinor) {
qCDebug(lcRegistration) << qmlName << uri << ": QML in" << qmlDir.absolutePath()
<< "using resources?" << m_useResources << "; widgets in" << widgetsDir.absolutePath();
#ifndef PURE_QML_ONLY
if (!registerWidgetImplementation<WrapperType>(
widgetsDir, qmlDir, qmlName, uri, hasTopLevelWindows, versionMajor, versionMinor))
#else
Q_UNUSED(widgetsDir)
Q_UNUSED(hasTopLevelWindows)
#endif
registerQmlImplementation<WrapperType>(qmlDir, qmlName, uri, versionMajor, versionMinor);
}
template <class WrapperType>
bool registerWidgetImplementation(const QDir &widgetsDir, const QDir &qmlDir,
const char *qmlName, const char *uri, bool hasTopLevelWindows, int versionMajor, int versionMinor)
{
bool mobileTouchPlatform = false;
#if defined(Q_OS_IOS)
mobileTouchPlatform = true;
#elif defined(Q_OS_ANDROID) || defined(Q_OS_BLACKBERRY) || defined(Q_OS_QNX) || defined(Q_OS_WINRT)
const auto devices = QTouchDevice::devices();
for (const QTouchDevice *dev : devices)
if (dev->type() == QTouchDevice::TouchScreen)
mobileTouchPlatform = true;
#endif
// If there is a qmldir and we have a QApplication instance (as opposed to a
// widget-free QGuiApplication), and this isn't a mobile touch-based platform,
// assume that the widget-based dialog will work. Otherwise an application developer
// can ensure that widgets are omitted from the deployment to ensure that the widget
// dialogs won't be used.
if (!mobileTouchPlatform && hasTopLevelWindows && widgetsDir.exists("qmldir") &&
QCoreApplication::instance()->inherits("QApplication")) {
QUrl dialogQmlPath = m_useResources ?
QUrl(QString("qrc:/QtQuick/Dialogs/Widget%1.qml").arg(qmlName)) :
QUrl::fromLocalFile(qmlDir.filePath(QString("Widget%1.qml").arg(qmlName)));
if (qmlRegisterType(dialogQmlPath, uri, versionMajor, versionMinor, qmlName) >= 0) {
qCDebug(lcRegistration) << " registering" << qmlName << " as " << dialogQmlPath;
return true;
}
}
return false;
}
template <class WrapperType>
void registerQmlImplementation(const QDir &qmlDir, const char *qmlName, const char *uri , int versionMajor, int versionMinor)
{
qCDebug(lcRegistration) << "Register QML version for" << qmlName << "with uri:" << uri;
QByteArray abstractTypeName = QByteArray("Abstract") + qmlName;
qmlRegisterType<WrapperType>(uri, versionMajor, versionMinor, abstractTypeName);
QUrl dialogQmlPath = m_useResources ?
QUrl(QString("qrc:/QtQuick/Dialogs/Default%1.qml").arg(qmlName)) :
QUrl::fromLocalFile(qmlDir.filePath(QString("Default%1.qml").arg(qmlName)));
qCDebug(lcRegistration) << " registering" << qmlName << " as " << dialogQmlPath;
qmlRegisterType(dialogQmlPath, uri, versionMajor, versionMinor, qmlName);
}
QUrl m_decorationComponentUrl;
bool m_useResources;
};
QT_END_NAMESPACE
#include "plugin.moc"
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