Add initial mock up for Boot to Qt Startup Screen

Initial implementation by Antti Aaltonen (QTBUG-86126).
Changes done:
 - converted into cmake/qmake project
  - need to keep pro file for Design Studio
 - updated to work with Qt6
 - removed Qt Design Studio (GPL) components
 - added BSD license headers

Task-number: QTBUG-87026
Change-Id: I6dea6a2815e5fbd17a5e8ce259f3dc98a58116fe
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>

2 files changed, 99 insertions, 0 deletions

diff --git a/startupscreen/imports/StartupScreen/Constants.qml b/startupscreen/imports/StartupScreen/Constants.qml
new file mode 100644
index 0000000..d9e091f
--- /dev/null
+++ b/startupscreen/imports/StartupScreen/Constants.qml
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of Qt for Device Creation.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+pragma Singleton
+import QtQuick 2.10
+import StartupScreen 1.0
+
+QtObject {
+    // readonly property int width: 640
+    // readonly property int height: 480
+
+    // resolutions
+    readonly property int smallWidth: 640
+    readonly property int smallHeight: 480
+    readonly property int mediumWidth: 1280
+    readonly property int mediumHeight: 720
+    readonly property int largeWidth: 1920
+    readonly property int largeHeight: 1080
+
+    // clock sizes
+    readonly property int smallClock: 180
+    readonly property int mediumClock: 320
+    readonly property int largeClock: 540
+
+    // panel width
+    readonly property int smallPanelWidth: 420
+    readonly property int mediumPanelWidth: 660
+    readonly property int largePanelWidth: 1000
+
+    // header height
+    readonly property int smallHeaderHeight: 92
+    readonly property int mediumHeaderHeight: 160
+    readonly property int largeHeaderHeight: 260
+
+    // body height
+    readonly property int smallBodyHeight: 172
+    readonly property int mediumBodyHeight: 260
+    readonly property int largeBodyHeight: 480
+
+    // icon button sizes
+    readonly property int smallButton: 100
+    readonly property int mediumButton: 148
+    readonly property int largeButton: 200
+
+    // text button sizes
+    readonly property int smallTextButton: 60
+    readonly property int mediumTextButton: 92
+    readonly property int largeTextButton: 140
+
+    readonly property color backgroundColor: "#c2c2c2"
+}
diff --git a/startupscreen/imports/StartupScreen/qmldir b/startupscreen/imports/StartupScreen/qmldir
new file mode 100644
index 0000000..616ac20
--- /dev/null
+++ b/startupscreen/imports/StartupScreen/qmldir
@@ -0,0 +1 @@
+singleton Constants 1.0 Constants.qml