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Diffstat (limited to 'src/dialogs/plugin.cpp')
| -rw-r--r-- | src/dialogs/plugin.cpp | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/src/dialogs/plugin.cpp b/src/dialogs/plugin.cpp new file mode 100644 index 00000000..4e4c641e --- /dev/null +++ b/src/dialogs/plugin.cpp @@ -0,0 +1,216 @@ +/**************************************************************************** +** +** 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 <QtQml/qqml.h> +#include <QtQml/qqmlextensionplugin.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 <private/qguiapplication_p.h> +#include <qpa/qplatformintegration.h> + +//#define PURE_QML_ONLY +//#define DEBUG_REGISTRATION + +static void initResources() +{ + Q_INIT_RESOURCE(dialogs); +} + +QT_BEGIN_NAMESPACE + +/*! + \qmlmodule QtQuick.Dialogs 1.1 + \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 1.1 + \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) { +#ifdef DEBUG_REGISTRATION + qDebug() << Q_FUNC_INFO << uri << m_decorationComponentUrl; +#else + Q_UNUSED(uri) +#endif + QQuickAbstractDialog::m_decorationComponent = + new QQmlComponent(engine, m_decorationComponentUrl, QQmlComponent::Asynchronous); + } + + virtual void registerTypes(const char *uri) { + initResources(); + +#ifdef DEBUG_REGISTRATION + qDebug() << Q_FUNC_INFO << uri; +#endif + Q_ASSERT(QLatin1String(uri) == QLatin1String("QtQuick.Dialogs")); + bool hasTopLevelWindows = QGuiApplicationPrivate::platformIntegration()-> + hasCapability(QPlatformIntegration::MultipleWindows); + QDir qmlDir(baseUrl().toLocalFile()); + QDir widgetsDir(baseUrl().toLocalFile()); + widgetsDir.cd("../PrivateWidgets"); + + // 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; + 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 + if (QGuiApplicationPrivate::platformTheme()->usePlatformNativeDialog(QPlatformTheme::FileDialog)) + qmlRegisterType<QQuickPlatformFileDialog>(uri, 1, 0, "FileDialog"); + 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); + } + +protected: + template <class WrapperType> + void registerWidgetOrQmlImplementation(QDir widgetsDir, QDir qmlDir, + const char *qmlName, const char *uri, bool hasTopLevelWindows, int versionMajor, int versionMinor) { + // qDebug() << "QtQuick2DialogsPlugin::registerWidgetOrQmlImplementation" << uri << qmlName << ": QML in" << qmlDir.absolutePath() + // << "using resources?" << m_useResources << "; widgets in" << widgetsDir.absolutePath(); +#ifdef DEBUG_REGISTRATION + qDebug() << Q_FUNC_INFO << qmlDir << qmlName << uri; +#endif + bool needQmlImplementation = true; + +#ifdef PURE_QML_ONLY + Q_UNUSED(widgetsDir) + Q_UNUSED(hasTopLevelWindows) +#else + // If there is a qmldir and we have a QApplication instance (as opposed to a + // widget-free QGuiApplication), assume that the widget-based dialog will work. + if (hasTopLevelWindows && widgetsDir.exists("qmldir") && + !qstrcmp(QCoreApplication::instance()->metaObject()->className(), "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) { + needQmlImplementation = false; +#ifdef DEBUG_REGISTRATION + qDebug() << " registering" << qmlName << " as " << dialogQmlPath << "success?" << !needQmlImplementation; +#endif + } + } +#endif + if (needQmlImplementation) { + QByteArray abstractTypeName = QByteArray("Abstract") + qmlName; + qmlRegisterType<WrapperType>(uri, versionMajor, versionMinor, abstractTypeName); // implementation wrapper + QUrl dialogQmlPath = m_useResources ? + QUrl(QString("qrc:/QtQuick/Dialogs/Default%1.qml").arg(qmlName)) : + QUrl::fromLocalFile(qmlDir.filePath(QString("Default%1.qml").arg(qmlName))); +#ifdef DEBUG_REGISTRATION + qDebug() << " registering" << qmlName << " as " << dialogQmlPath << "success?" << +#endif + qmlRegisterType(dialogQmlPath, uri, versionMajor, versionMinor, qmlName); + } + } + + QUrl m_decorationComponentUrl; + bool m_useResources; +}; + +QT_END_NAMESPACE + +#include "plugin.moc" |