Add QtQuick.Dialogs

[ChangeLog][QtQuickDialogs] Added FileDialog. This is a native
FileDialog on platforms that support it, and a non-native
Qt Quick FileDialog on platforms that don't.

Fixes: QTBUG-87797
Change-Id: Ia3a98b616479b818c96c232a0329750023079642
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

7 files changed, 134 insertions, 0 deletions

diff --git a/src/imports/CMakeLists.txt b/src/imports/CMakeLists.txt
index 1d9b7814..d056a899 100644
--- a/src/imports/CMakeLists.txt
+++ b/src/imports/CMakeLists.txt
@@ -2,6 +2,7 @@
 
 add_subdirectory(controls)
 add_subdirectory(controlsimpl)
+add_subdirectory(dialogs)
 add_subdirectory(platform)
 add_subdirectory(templates)
 add_subdirectory(nativestyle)
diff --git a/src/imports/dialogs/CMakeLists.txt b/src/imports/dialogs/CMakeLists.txt
new file mode 100644
index 00000000..f96fd9ff
--- /dev/null
+++ b/src/imports/dialogs/CMakeLists.txt
@@ -0,0 +1,29 @@
+qt_internal_add_qml_module(qtquickdialogsplugin
+    URI "QtQuick.Dialogs"
+    VERSION "${CMAKE_PROJECT_VERSION}"
+    CLASSNAME QtQuickDialogsPlugin
+    SKIP_TYPE_REGISTRATION
+    SOURCES
+        qtquickdialogsplugin.cpp
+    DEFINES
+        QT_NO_CAST_FROM_ASCII
+        QT_NO_CAST_TO_ASCII
+    INCLUDE_DIRECTORIES
+        quick
+    LIBRARIES
+        Qt::CorePrivate
+        Qt::GuiPrivate
+        Qt::QmlPrivate
+        Qt::QuickDialogs2Private
+        Qt::QuickPrivate
+        Qt::QuickTemplates2Private
+    PUBLIC_LIBRARIES
+        Qt::Core
+        Qt::Gui
+        Qt::Qml
+        Qt::Quick
+)
+
+qt_internal_add_docs(qtquickdialogsplugin
+    doc/qtquickdialogs.qdocconf
+)
diff --git a/src/imports/dialogs/doc/images/qtquickdialogs-filedialog-gtk.png b/src/imports/dialogs/doc/images/qtquickdialogs-filedialog-gtk.png
new file mode 100644
index 00000000..9360d747
--- /dev/null
+++ b/src/imports/dialogs/doc/images/qtquickdialogs-filedialog-gtk.png
diff --git a/src/imports/dialogs/doc/qtquickdialogs.qdocconf b/src/imports/dialogs/doc/qtquickdialogs.qdocconf
new file mode 100644
index 00000000..575c84d0
--- /dev/null
+++ b/src/imports/dialogs/doc/qtquickdialogs.qdocconf
@@ -0,0 +1,40 @@
+include($QT_INSTALL_DOCS/global/qt-module-defaults.qdocconf)
+include($QT_INSTALL_DOCS/config/exampleurl-qtquickcontrols2.qdocconf)
+
+project                 = QtQuickDialogs
+description             = Qt Quick Dialogs Reference Documentation
+version                 = $QT_VERSION
+
+qhp.projects            = QtQuickDialogs
+
+qhp.QtQuickDialogs.file          = qtquickdialogs.qhp
+qhp.QtQuickDialogs.namespace     = org.qt-project.qtquickdialogs.$QT_VERSION_TAG
+qhp.QtQuickDialogs.virtualFolder = qtquickdialogs
+qhp.QtQuickDialogs.indexTitle    = Qt Quick Dialogs
+qhp.QtQuickDialogs.indexRoot     =
+
+qhp.QtQuickDialogs.filterAttributes                  = qtquickdialogs $QT_VERSION qtrefdoc
+qhp.QtQuickDialogs.customFilters.Qt.name             = QtQuickDialogs $QT_VERSION
+qhp.QtQuickDialogs.customFilters.Qt.filterAttributes = qtquickdialogs $QT_VERSION
+
+qhp.QtQuickDialogs.subprojects = qmltypes
+qhp.QtQuickDialogs.subprojects.qmltypes.title = QML Types
+qhp.QtQuickDialogs.subprojects.qmltypes.indexTitle = Qt Quick Dialogs QML Types
+qhp.QtQuickDialogs.subprojects.qmltypes.selectors = qmlclass
+qhp.QtQuickDialogs.subprojects.qmltypes.sortPages = true
+
+depends = qtcore qtgui qtdoc qtqml qtquick qtquickcontrols
+
+# This module has no documented C++ types, clear the module header
+moduleheader =
+
+headerdirs += ../../../quickdialogs2/quickdialogs2
+sourcedirs += ../../../quickdialogs2/quickdialogs2 \
+              src
+
+imagedirs += images
+
+navigation.landingpage  = "Qt Quick Dialogs"
+navigation.qmltypespage = "Qt Quick Dialogs QML Types"
+
+tagfile                 = qtquickdialogs.tags
diff --git a/src/imports/dialogs/doc/src/includes/fallback.qdocinc b/src/imports/dialogs/doc/src/includes/fallback.qdocinc
new file mode 100644
index 00000000..f3a4a180
--- /dev/null
+++ b/src/imports/dialogs/doc/src/includes/fallback.qdocinc
@@ -0,0 +1 @@
+Qt Quick Dialogs uses a Qt Quick implementation as a fallback on platforms that do not have a native implementation available.
diff --git a/src/imports/dialogs/qmldir b/src/imports/dialogs/qmldir
new file mode 100644
index 00000000..11d5bcdf
--- /dev/null
+++ b/src/imports/dialogs/qmldir
@@ -0,0 +1,3 @@
+module QtQuick.Dialogs
+plugin qtquickdialogsplugin
+classname QtQuickDialogsPlugin
diff --git a/src/imports/dialogs/qtquickdialogsplugin.cpp b/src/imports/dialogs/qtquickdialogsplugin.cpp
new file mode 100644
index 00000000..9bc06c25
--- /dev/null
+++ b/src/imports/dialogs/qtquickdialogsplugin.cpp
@@ -0,0 +1,60 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Labs Templates 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/qqmlextensionplugin.h>
+#include <QtQml/qqml.h>
+#include <QtQuickDialogs2/private/qtquickdialogs2global_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QtQuickDialogsPlugin: public QQmlEngineExtensionPlugin
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID QQmlExtensionInterface_iid)
+
+public:
+    QtQuickDialogsPlugin(QObject *parent = nullptr);
+};
+
+QtQuickDialogsPlugin::QtQuickDialogsPlugin(QObject *parent) : QQmlEngineExtensionPlugin(parent)
+{
+    volatile auto registration = &qml_register_types_QtQuick_Dialogs;
+    Q_UNUSED(registration)
+}
+
+QT_END_NAMESPACE
+
+#include "qtquickdialogsplugin.moc"