Remove qtgraphicaleffects sources and add note about its state in Qt 6HEADdev

Add a README.md mentioning the documentation on where the ported
effects can be found, as well as how to check out the Qt5 branch.

Pick-to: 6.2
Fixes: QTBUG-95757
Change-Id: Ib47c7e73f8622c8e287df0f74c6f16a5113b357e
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

1 files changed, 0 insertions, 120 deletions

diff --git a/tests/manual/testbed/ColorSlider.qml b/tests/manual/testbed/ColorSlider.qml
deleted file mode 100644
index bdddac9..0000000
--- a/tests/manual/testbed/ColorSlider.qml
+++ /dev/null
@@ -1,120 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Graphical Effects module.
-**
-** $QT_BEGIN_LICENSE:GPL-EXCEPT$
-** 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.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-import QtQuick 2.12
-
-Item {
-    id: colorSlider
-
-    property real value: 1
-    property real maximum: 1
-    property real minimum: 0
-    property string caption: ""
-    property bool pressed: mouseArea.pressed
-    property bool integer: false
-    property string handleSource: "images/slider_handle.png"
-    property real handleOpacity: 1.0
-    property alias trackItem: track.children
-
-    width: parent.width
-    height: 20
-
-    function updatePos() {
-        if (maximum > minimum) {
-            var pos = (track.width - 10) * (value - minimum) / (maximum - minimum) + 5;
-            return Math.min(Math.max(pos, 5), track.width - 5) - 10;
-        } else {
-            return 5;
-        }
-    }
-
-    Text {
-        id: captionText
-        width: 110
-        anchors.verticalCenter: parent.verticalCenter
-        horizontalAlignment: Text.AlignRight
-        text: colorSlider.caption + ':'
-        font.family: "Arial"
-        font.pixelSize: 11
-        color: "#B3B3B3"
-    }
-
-    Text {
-        id: valueCaption
-        anchors.left: captionText.right
-        anchors.leftMargin: 11
-        anchors.verticalCenter: parent.verticalCenter
-        width: 35
-        horizontalAlignment: Text.AlignLeft
-        text: colorSlider.value.toFixed(1)
-        font.family: "Arial"
-        font.pixelSize: 11
-        color: "#999999"
-    }
-
-    Item {
-        id: track
-        height: 4
-        anchors.verticalCenter: parent.verticalCenter
-        anchors.left: parent.left
-        anchors.leftMargin: parent.width / 2
-        anchors.right: parent.right
-        anchors.rightMargin: 10
-
-        Image {
-            id: handle;
-            anchors.verticalCenter: parent.verticalCenter
-            smooth: true
-            source: mouseArea.pressed ? 'images/slider_handle_pressed.png' : colorSlider.handleSource
-            opacity: colorSlider.handleOpacity
-            x: updatePos()
-            z: 1
-        }
-
-        MouseArea {
-            id: mouseArea
-            anchors {left: parent.left; right: parent.right; leftMargin: 5; rightMargin: 5; verticalCenter: parent.verticalCenter}
-            height: 8
-            preventStealing: true
-
-            onPressed: {
-                var handleX = Math.max(0, Math.min(mouseX, mouseArea.width))
-                var realValue = (maximum - minimum) * handleX / mouseArea.width + minimum;
-                value = colorSlider.integer ? Math.round(realValue) : realValue;
-            }
-
-            onPositionChanged: {
-                if (pressed) {
-                    var handleX = Math.max(0, Math.min(mouseX, mouseArea.width))
-                    var realValue = (maximum - minimum) * handleX / mouseArea.width + minimum;
-                    value = colorSlider.integer ? Math.round(realValue) : realValue;
-                }
-            }
-        }
-    }
-}