16 files changed, 1078 insertions, 0 deletions
diff --git a/src/quickcontrols2/windows/Button.qml b/src/quickcontrols2/windows/Button.qml
new file mode 100644
index 0000000000..1b73e1de00
--- /dev/null
+++ b/src/quickcontrols2/windows/Button.qml
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Controls.impl
+import QtQuick.Templates as T
+import QtQuick.NativeStyle as NativeStyle
+
+T.Button {
+    id: control
+
+    readonly property bool __nativeBackground: background instanceof NativeStyle.StyleItem
+
+    // Since QQuickControl will subtract the insets from the control size to
+    // figure out the background size, we need to reverse that here, otherwise
+    // the control ends up too big.
+    implicitWidth: implicitBackgroundWidth + leftInset + rightInset
+    implicitHeight: implicitBackgroundHeight + topInset + bottomInset
+
+    font.pixelSize: __nativeBackground ? background.styleFont(control).pixelSize : undefined
+
+    leftPadding: __nativeBackground ? background.contentPadding.left : 5
+    rightPadding: __nativeBackground ? background.contentPadding.right : 5
+    topPadding: __nativeBackground ? background.contentPadding.top : 5
+    bottomPadding: __nativeBackground ? background.contentPadding.bottom : 5
+
+    background: NativeStyle.Button {
+        control: control
+        contentWidth: contentItem.implicitWidth
+        contentHeight: contentItem.implicitHeight
+        useNinePatchImage: false
+        overrideState: NativeStyle.StyleItem.NeverHovered
+    }
+
+    NativeStyle.Button {
+        id: hoverButton
+        control: control
+        x: background.x
+        y: background.y
+        width: background.width
+        height: background.height
+        useNinePatchImage: false
+        overrideState: NativeStyle.StyleItem.AlwaysHovered
+        opacity: control.hovered ? 1 : 0
+        visible: opacity !== 0
+        Behavior on opacity { NumberAnimation { duration: hoverButton.transitionDuration } }
+    }
+
+    icon.width: 24
+    icon.height: 24
+    icon.color: control.checked || control.highlighted ? control.palette.brightText :
+                control.flat && !control.down ? (control.visualFocus ? control.palette.highlight : control.palette.windowText) : control.palette.buttonText
+
+    contentItem: IconLabel {
+        spacing: control.spacing
+        mirrored: control.mirrored
+        display: control.display
+
+        icon: control.icon
+        text: control.text
+        font: control.font
+        color: control.flat && !control.down ? (control.visualFocus ? control.palette.highlight : control.palette.windowText) : control.palette.buttonText
+    }
+}
diff --git a/src/quickcontrols2/windows/CMakeLists.txt b/src/quickcontrols2/windows/CMakeLists.txt
new file mode 100644
index 0000000000..194b4f1e2d
--- /dev/null
+++ b/src/quickcontrols2/windows/CMakeLists.txt
@@ -0,0 +1,48 @@
+#####################################################################
+## qtquickcontrols2windowsstyleplugin Plugin:
+#####################################################################
+
+set(qml_files
+    "Button.qml"
+    "CheckBox.qml"
+    "ComboBox.qml"
+    "Frame.qml"
+    "GroupBox.qml"
+    "ProgressBar.qml"
+    "RadioButton.qml"
+    "Slider.qml"
+    "SpinBox.qml"
+    "TextArea.qml"
+    "TextField.qml"
+    "ScrollBar.qml"
+    "ScrollView.qml"
+)
+set_source_files_properties(${qml_files} PROPERTIES
+    QT_QML_SOURCE_VERSION "2.0;6.0"
+)
+
+qt_internal_add_qml_module(qtquickcontrols2windowsstyleplugin
+    URI "QtQuick.Controls.Windows"
+    VERSION "${PROJECT_VERSION}"
+    CLASS_NAME QtQuickControls2WindowsStylePlugin
+    IMPORTS
+        QtQuick.Controls.Fusion/auto
+    PAST_MAJOR_VERSIONS 2
+    PLUGIN_TARGET qtquickcontrols2windowsstyleplugin
+    NO_PLUGIN_OPTIONAL
+    NO_GENERATE_PLUGIN_SOURCE
+    SOURCES
+        qtquickcontrols2windowsstyleplugin.cpp
+    QML_FILES
+        ${qml_files}
+    DEFINES
+        QT_NO_CAST_FROM_ASCII
+        QT_NO_CAST_TO_ASCII
+    LIBRARIES
+        Qt::CorePrivate
+        Qt::GuiPrivate
+        Qt::QmlPrivate
+        Qt::QuickControls2Private
+        Qt::QuickPrivate
+        Qt::QuickTemplates2Private
+)
diff --git a/src/quickcontrols2/windows/CheckBox.qml b/src/quickcontrols2/windows/CheckBox.qml
new file mode 100644
index 0000000000..13fde0e656
--- /dev/null
+++ b/src/quickcontrols2/windows/CheckBox.qml
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Templates as T
+import QtQuick.Controls
+import QtQuick.Controls.impl
+import QtQuick.NativeStyle as NativeStyle
+
+T.CheckBox {
+    id: control
+
+    readonly property bool nativeIndicator: indicator instanceof NativeStyle.StyleItem
+
+    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
+                            implicitContentWidth + leftPadding + rightPadding)
+    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
+                             implicitContentHeight + topPadding + bottomPadding,
+                             implicitIndicatorHeight + topPadding + bottomPadding)
+
+    font.pixelSize: nativeIndicator ? indicator.styleFont(control).pixelSize : undefined
+
+    spacing: nativeIndicator ? 0 : 6
+    padding: nativeIndicator ? 0 : 6
+
+    indicator: NativeStyle.CheckBox {
+        control: control
+        y: control.topPadding + (control.availableHeight - height) >> 1
+        contentWidth: contentItem.implicitWidth
+        contentHeight: contentItem.implicitHeight
+        useNinePatchImage: false
+        overrideState: NativeStyle.StyleItem.NeverHovered
+    }
+
+    NativeStyle.CheckBox {
+        id: hoverCheckBox
+        control: control
+        x: indicator.x
+        y: indicator.y
+        z: 99   // Needs to be above the "unhovered" indicator
+        width: indicator.width
+        height: indicator.height
+        useNinePatchImage: false
+        overrideState: NativeStyle.StyleItem.AlwaysHovered
+        opacity: control.hovered ? 1 : 0
+        visible: opacity !== 0
+        Behavior on opacity { NumberAnimation { duration: hoverCheckBox.transitionDuration } }
+    }
+
+    contentItem: CheckLabel {
+        text: control.text
+        font: control.font
+        color: control.palette.windowText
+
+        // For some reason, the other styles set padding here (in the delegate), instead of in
+        // the control above. And they also adjust the indicator position by setting x and y
+        // explicitly (instead of using insets). So we follow the same pattern to ensure that
+        // setting a custom contentItem delegate from the app will end up looking the same for
+        // all styles. But this should probably be fixed for all styles (to make them work the
+        // same way as e.g Buttons).
+        leftPadding: {
+            if (nativeIndicator)
+                indicator.contentPadding.left
+            else
+                indicator && !mirrored ? indicator.width + spacing : 0
+        }
+
+        topPadding: nativeIndicator ? indicator.contentPadding.top : 0
+        rightPadding: {
+            if (nativeIndicator)
+                indicator.contentPadding.right
+            else
+                indicator && mirrored ? indicator.width + spacing : 0
+        }
+    }
+}
diff --git a/src/quickcontrols2/windows/ComboBox.qml b/src/quickcontrols2/windows/ComboBox.qml
new file mode 100644
index 0000000000..237d90b592
--- /dev/null
+++ b/src/quickcontrols2/windows/ComboBox.qml
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Window
+import QtQuick.Controls
+import QtQuick.Controls.impl
+import QtQuick.Templates as T
+import QtQuick.NativeStyle as NativeStyle
+
+T.ComboBox {
+    id: control
+
+    readonly property bool __nativeBackground: background instanceof NativeStyle.StyleItem
+
+    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
+                            implicitContentWidth + leftPadding + rightPadding,
+                            90 /* minimum */ )
+    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
+                             implicitContentHeight + topPadding + bottomPadding,
+                             implicitIndicatorHeight + topPadding + bottomPadding)
+
+    font.pixelSize: __nativeBackground ? background.styleFont(control).pixelSize : undefined
+
+    leftPadding: __nativeBackground ? background.contentPadding.left : 5
+    rightPadding: __nativeBackground ? background.contentPadding.right : 5
+    topPadding: __nativeBackground ? background.contentPadding.top : 5
+    bottomPadding: __nativeBackground ? background.contentPadding.bottom : 5
+
+    contentItem: T.TextField {
+        implicitWidth: contentWidth
+        implicitHeight: contentHeight
+        text: control.editable ? control.editText : control.displayText
+
+        enabled: control.editable
+        autoScroll: control.editable
+        readOnly: control.down
+        inputMethodHints: control.inputMethodHints
+        validator: control.validator
+        selectByMouse: control.selectTextByMouse
+
+        font: control.font
+        color: control.editable ? control.palette.text : control.palette.buttonText
+        selectionColor: control.palette.highlight
+        selectedTextColor: control.palette.highlightedText
+        verticalAlignment: Text.AlignVCenter
+    }
+
+    background: NativeStyle.ComboBox {
+        control: control
+        contentWidth: contentItem.implicitWidth
+        contentHeight: contentItem.implicitHeight
+        useNinePatchImage: false
+    }
+
+    delegate: ItemDelegate {
+        width: ListView.view.width
+        text: control.textRole ? (Array.isArray(control.model) ? modelData[control.textRole] : model[control.textRole]) : modelData
+        palette.text: control.palette.text
+        palette.highlightedText: control.palette.highlightedText
+        font.weight: control.currentIndex === index ? Font.DemiBold : Font.Normal
+        highlighted: control.highlightedIndex === index
+        hoverEnabled: control.hoverEnabled
+    }
+
+    popup: T.Popup {
+        readonly property var layoutMargins: control.__nativeBackground ? control.background.layoutMargins : null
+        x: layoutMargins ? layoutMargins.left : 0
+        y: control.height - (layoutMargins ? layoutMargins.bottom : 0)
+        width: control.width - (layoutMargins ? layoutMargins.left + layoutMargins.right : 0)
+        height: Math.min(contentItem.implicitHeight, control.Window.height - topMargin - bottomMargin)
+        topMargin: 6
+        bottomMargin: 6
+
+        contentItem: ListView {
+            clip: true
+            implicitHeight: contentHeight
+            model: control.delegateModel
+            currentIndex: control.highlightedIndex
+            highlightMoveDuration: 0
+
+            Rectangle {
+                z: 10
+                width: parent.width
+                height: parent.height
+                color: "transparent"
+                border.color: control.palette.mid
+            }
+
+            T.ScrollIndicator.vertical: ScrollIndicator { }
+        }
+
+        background: Rectangle {
+            color: control.palette.window
+        }
+    }
+}
diff --git a/src/quickcontrols2/windows/Frame.qml b/src/quickcontrols2/windows/Frame.qml
new file mode 100644
index 0000000000..f16a083517
--- /dev/null
+++ b/src/quickcontrols2/windows/Frame.qml
@@ -0,0 +1,41 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.NativeStyle as NativeStyle
+
+NativeStyle.DefaultFrame {
+}
diff --git a/src/quickcontrols2/windows/GroupBox.qml b/src/quickcontrols2/windows/GroupBox.qml
new file mode 100644
index 0000000000..4ffbaae6d3
--- /dev/null
+++ b/src/quickcontrols2/windows/GroupBox.qml
@@ -0,0 +1,41 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.NativeStyle as NativeStyle
+
+NativeStyle.DefaultGroupBox {
+}
diff --git a/src/quickcontrols2/windows/ProgressBar.qml b/src/quickcontrols2/windows/ProgressBar.qml
new file mode 100644
index 0000000000..59a1689dba
--- /dev/null
+++ b/src/quickcontrols2/windows/ProgressBar.qml
@@ -0,0 +1,41 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.NativeStyle as NativeStyle
+
+NativeStyle.DefaultProgressBar {
+}
diff --git a/src/quickcontrols2/windows/RadioButton.qml b/src/quickcontrols2/windows/RadioButton.qml
new file mode 100644
index 0000000000..82b85698d2
--- /dev/null
+++ b/src/quickcontrols2/windows/RadioButton.qml
@@ -0,0 +1,41 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.NativeStyle as NativeStyle
+
+NativeStyle.DefaultRadioButton {
+}
diff --git a/src/quickcontrols2/windows/ScrollBar.qml b/src/quickcontrols2/windows/ScrollBar.qml
new file mode 100644
index 0000000000..0ccbb1557e
--- /dev/null
+++ b/src/quickcontrols2/windows/ScrollBar.qml
@@ -0,0 +1,128 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.NativeStyle as NativeStyle
+
+NativeStyle.DefaultScrollBar {
+    id: controlRoot
+
+    topPadding:    orientation === Qt.Vertical   ? controlRoot.__decreaseVisual.indicator.height : 0
+    bottomPadding: orientation === Qt.Vertical   ? controlRoot.__increaseVisual.indicator.height : 0
+    leftPadding:   orientation === Qt.Horizontal ? controlRoot.__decreaseVisual.indicator.width : 0
+    rightPadding:  orientation === Qt.Horizontal ? controlRoot.__increaseVisual.indicator.width : 0
+
+    contentItem: NativeStyle.ScrollBar {
+        control: controlRoot
+        subControl: NativeStyle.ScrollBar.Handle
+    }
+
+    NativeStyle.ScrollBar {
+        // Fade a hovered-looking version of the handle
+        // on top of the default handle when hovering it
+        x: contentItem.x
+        y: contentItem.y
+        z: 1
+        width: contentItem.width
+        height: contentItem.height
+        control: controlRoot
+        subControl: NativeStyle.ScrollBar.Handle
+        overrideState: NativeStyle.StyleItem.AlwaysHovered
+        opacity: controlRoot.hovered || control.pressed ? 1 : 0
+        visible: contentItem instanceof NativeStyle.StyleItem
+        Behavior on opacity { NumberAnimation { duration: contentItem.transitionDuration } }
+    }
+
+    // The groove background should have window color
+    Rectangle {
+        x: background.x
+        y: background.y
+        z: -1
+        width: background.width
+        height: background.height
+        color: controlRoot.palette.window
+    }
+
+    background: NativeStyle.ScrollBar {
+        control: controlRoot
+        subControl: NativeStyle.ScrollBar.Groove
+        overrideState: NativeStyle.ScrollBar.NeverHovered
+    }
+
+    __decreaseVisual.indicator: NativeStyle.ScrollBar {
+        control: controlRoot
+        subControl: NativeStyle.ScrollBar.SubLine
+        overrideState: NativeStyle.ScrollBar.AlwaysHovered
+        opacity: controlRoot.__decreaseVisual.hovered ? 1 : 0
+        visible: contentItem instanceof NativeStyle.StyleItem
+        Behavior on opacity { NumberAnimation { duration: contentItem.transitionDuration } }
+        useNinePatchImage: false
+    }
+
+    NativeStyle.ScrollBar {
+        control: controlRoot
+        subControl: NativeStyle.ScrollBar.SubLine
+        overrideState: NativeStyle.ScrollBar.AlwaysSunken
+        opacity: controlRoot.__decreaseVisual.pressed ? 1 : 0
+        visible: contentItem instanceof NativeStyle.StyleItem
+        useNinePatchImage: false
+        z: 1
+    }
+
+    __increaseVisual.indicator: NativeStyle.ScrollBar {
+        control: controlRoot
+        subControl: NativeStyle.ScrollBar.AddLine
+        x: orientation == Qt.Horizontal ? controlRoot.width - width : 0
+        y: orientation == Qt.Vertical ? controlRoot.height - height : 0
+        overrideState: NativeStyle.ScrollBar.AlwaysHovered
+        opacity: controlRoot.__increaseVisual.hovered ? 1 : 0
+        visible: contentItem instanceof NativeStyle.StyleItem
+        Behavior on opacity { NumberAnimation { duration: contentItem.transitionDuration } }
+        useNinePatchImage: false
+    }
+
+    NativeStyle.ScrollBar {
+        control: controlRoot
+        subControl: NativeStyle.ScrollBar.AddLine
+        x: __increaseVisual.indicator.x
+        y: __increaseVisual.indicator.y
+        z: 1
+        overrideState: NativeStyle.ScrollBar.AlwaysSunken
+        opacity: controlRoot.__increaseVisual.pressed ? 1 : 0
+        visible: contentItem instanceof NativeStyle.StyleItem
+        useNinePatchImage: false
+    }
+}
diff --git a/src/quickcontrols2/windows/ScrollView.qml b/src/quickcontrols2/windows/ScrollView.qml
new file mode 100644
index 0000000000..0e5ffff4b6
--- /dev/null
+++ b/src/quickcontrols2/windows/ScrollView.qml
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Controls.impl
+import QtQuick.Templates as T
+
+T.ScrollView {
+    id: control
+
+    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
+                            contentWidth + leftPadding + rightPadding)
+    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
+                             contentHeight + topPadding + bottomPadding)
+
+    rightPadding: ScrollBar.vertical.visible ? ScrollBar.vertical.width : 0
+    bottomPadding: ScrollBar.horizontal.visible ? ScrollBar.horizontal.height : 0
+
+    ScrollBar.vertical: ScrollBar {
+        parent: control
+        x: control.mirrored ? 0 : control.width - width
+        y: 0
+        height: control.height - (control.ScrollBar.horizontal.visible ? control.ScrollBar.horizontal.height : 0)
+        active: control.ScrollBar.horizontal.active
+    }
+
+    ScrollBar.horizontal: ScrollBar {
+        parent: control
+        x: 0
+        y: control.height - height
+        width: control.width - (control.ScrollBar.vertical.visible ? control.ScrollBar.vertical.width : 0)
+        active: control.ScrollBar.vertical.active
+    }
+}
diff --git a/src/quickcontrols2/windows/Slider.qml b/src/quickcontrols2/windows/Slider.qml
new file mode 100644
index 0000000000..ab72fcaabd
--- /dev/null
+++ b/src/quickcontrols2/windows/Slider.qml
@@ -0,0 +1,41 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.NativeStyle as NativeStyle
+
+NativeStyle.DefaultSlider {
+}
diff --git a/src/quickcontrols2/windows/SpinBox.qml b/src/quickcontrols2/windows/SpinBox.qml
new file mode 100644
index 0000000000..72309c60cd
--- /dev/null
+++ b/src/quickcontrols2/windows/SpinBox.qml
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Templates as T
+import QtQuick.NativeStyle as NativeStyle
+
+T.SpinBox {
+    id: control
+
+    property bool __nativeBackground: background instanceof NativeStyle.StyleItem
+    property bool nativeIndicators: up.indicator.hasOwnProperty("_qt_default")
+                                    && down.indicator.hasOwnProperty("_qt_default")
+
+    font.pixelSize: __nativeBackground ? background.styleFont(control).pixelSize : undefined
+
+    implicitWidth: Math.max(contentItem.implicitWidth + leftInset + rightInset,
+                            90 /* minimum */ )
+    implicitHeight: Math.max(contentItem.implicitHeight, up.implicitIndicatorHeight + down.implicitIndicatorHeight)
+                    + topInset + bottomInset
+
+    spacing: 2
+
+    leftPadding: __nativeBackground ? background.contentPadding.left: 0
+    topPadding: __nativeBackground ? background.contentPadding.top: 0
+    rightPadding: (__nativeBackground ? background.contentPadding.right : 0) + rightInset
+    bottomPadding: __nativeBackground ? background.contentPadding.bottom: 0
+
+    validator: IntValidator {
+        locale: control.locale.name
+        bottom: Math.min(control.from, control.to)
+        top: Math.max(control.from, control.to)
+    }
+
+    contentItem: TextField {
+        text: control.displayText
+        font: control.font
+        color: control.palette.text
+        selectionColor: control.palette.highlight
+        selectedTextColor: control.palette.highlightedText
+        horizontalAlignment: Qt.AlignLeft
+        verticalAlignment: Qt.AlignVCenter
+
+        topPadding: 0
+        bottomPadding: 0
+        leftPadding: 10
+        rightPadding: 10
+
+        readOnly: !control.editable
+        validator: control.validator
+        inputMethodHints: control.inputMethodHints
+
+        // Since the indicators are embedded inside the TextField we need to avoid that
+        // the TextField consumes mouse events for that area.
+        // We achieve that by setting a containmentMask
+        containmentMask: Item { height: contentItem.height; width: contentItem.width - upAndDown.width }
+    }
+
+    NativeStyle.SpinBox {
+        id: upAndDown
+        control: control
+        subControl: NativeStyle.SpinBox.Up
+        visible: nativeIndicators
+        x: up.indicator.x
+        y: up.indicator.y
+        //implicitHeight: contentItem.implicitHeight-2
+        height: parent.height-2
+        useNinePatchImage: false
+        z:99
+    }
+
+    up.indicator: Item {
+        x: parent.width - width - 2
+        y: 1
+        height: upAndDown.height >> 1
+        implicitWidth: upAndDown.implicitWidth
+        implicitHeight: (upAndDown.implicitHeight >> 1)
+        property bool _qt_default
+    }
+
+    down.indicator: Item {
+        x: parent.width - width - 2
+        y: up.indicator.y + (upAndDown.height >> 1)
+        height: upAndDown.height - up.indicator.height
+        implicitWidth: upAndDown.implicitWidth
+        implicitHeight: upAndDown.implicitHeight >> 1
+        property bool _qt_default
+    }
+
+    background: Item {} // No background, the TextField will cover the whole control
+}
diff --git a/src/quickcontrols2/windows/TextArea.qml b/src/quickcontrols2/windows/TextArea.qml
new file mode 100644
index 0000000000..f6b883038b
--- /dev/null
+++ b/src/quickcontrols2/windows/TextArea.qml
@@ -0,0 +1,41 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.NativeStyle as NativeStyle
+
+NativeStyle.DefaultTextArea {
+}
diff --git a/src/quickcontrols2/windows/TextField.qml b/src/quickcontrols2/windows/TextField.qml
new file mode 100644
index 0000000000..bc0e2cb77a
--- /dev/null
+++ b/src/quickcontrols2/windows/TextField.qml
@@ -0,0 +1,41 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.NativeStyle as NativeStyle
+
+NativeStyle.DefaultTextField {
+}
diff --git a/src/quickcontrols2/windows/qtquickcontrols2windowsstyleplugin.cpp b/src/quickcontrols2/windows/qtquickcontrols2windowsstyleplugin.cpp
new file mode 100644
index 0000000000..64e77e61c5
--- /dev/null
+++ b/src/quickcontrols2/windows/qtquickcontrols2windowsstyleplugin.cpp
@@ -0,0 +1,74 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 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 <QtQuickControls2/private/qquickstyleplugin_p.h>
+#include <QtQuickControls2/qquickstyle.h>
+
+extern void qml_register_types_QtQuick_Controls_Windows();
+
+QT_BEGIN_NAMESPACE
+
+class QtQuickControls2WindowsStylePlugin : public QQuickStylePlugin
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID QQmlExtensionInterface_iid)
+
+public:
+    QtQuickControls2WindowsStylePlugin(QObject *parent = nullptr);
+    QString name() const override;
+    void initializeTheme(QQuickTheme *theme) override;
+};
+
+QtQuickControls2WindowsStylePlugin::QtQuickControls2WindowsStylePlugin(QObject *parent):
+    QQuickStylePlugin(parent)
+{
+    volatile auto registration = &qml_register_types_QtQuick_Controls_Windows;
+    Q_UNUSED(registration);
+}
+
+QString QtQuickControls2WindowsStylePlugin::name() const
+{
+    return QStringLiteral("Windows");
+}
+
+void QtQuickControls2WindowsStylePlugin::initializeTheme(QQuickTheme * /*theme*/)
+{
+}
+
+QT_END_NAMESPACE
+
+#include "qtquickcontrols2windowsstyleplugin.moc"
diff --git a/src/quickcontrols2/windows/windows.pri b/src/quickcontrols2/windows/windows.pri
new file mode 100644
index 0000000000..7f13eab02f
--- /dev/null
+++ b/src/quickcontrols2/windows/windows.pri
@@ -0,0 +1,14 @@
+QML_FILES += \
+    $$PWD/Button.qml \
+    $$PWD/CheckBox.qml \
+    $$PWD/ComboBox.qml \
+    $$PWD/Frame.qml \
+    $$PWD/GroupBox.qml \
+    $$PWD/ProgressBar.qml \
+    $$PWD/RadioButton.qml \
+    $$PWD/Slider.qml \
+    $$PWD/SpinBox.qml \
+    $$PWD/TextArea.qml \
+    $$PWD/TextField.qml \
+    $$PWD/ScrollBar.qml \
+    $$PWD/ScrollView.qml \