Add a C++ autotest for PinchHandler

Adapted from the PinchArea test.

cancel() does not work, TDB if we want to support that

Done-with: Jan-Arve Sæther <jan-arve.saether@qt.io>
Task-number: QTBUG-69134
Change-Id: I63dfba7b327220b9f032f19c588cc19ebdfd95c2
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

3 files changed, 181 insertions, 0 deletions

diff --git a/tests/auto/quick/pointerhandlers/qquickpinchhandler/data/pinchproperties.qml b/tests/auto/quick/pointerhandlers/qquickpinchhandler/data/pinchproperties.qml
new file mode 100644
index 0000000000..15775df1e7
--- /dev/null
+++ b/tests/auto/quick/pointerhandlers/qquickpinchhandler/data/pinchproperties.qml
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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
+
+Rectangle {
+    id: whiteRect
+    property real scale: -1.0
+    property int activeCount : 0
+    property int deactiveCount : 0
+    width: 240; height: 320
+    color: "white"
+    Rectangle {
+        id: blackRect
+        objectName: "blackrect"
+        color: "black"
+        y: 50
+        x: 50
+        width: 100
+        height: 100
+        opacity: (whiteRect.width-blackRect.x+whiteRect.height-blackRect.y-199)/200
+        Text { color: "white"; text: "opacity: " + blackRect.opacity + "\nscale: " + blackRect.scale}
+        PinchHandler {
+            id: pincharea
+            objectName: "pinchHandler"
+            minimumScale: 1.0
+            maximumScale: 4.0
+            minimumRotation: 0.0
+            maximumRotation: 90.0
+            xAxis.maximum: 140
+            yAxis.maximum: 170
+            onActiveChanged: {
+                whiteRect.scale = pincharea.scale
+                if (active) ++activeCount
+                else ++deactiveCount;
+            }
+
+            onUpdated: {
+                whiteRect.scale = pincharea.scale
+                //whiteRect.pointCount = pincharea.pointCount
+            }
+         }
+     }
+ }
diff --git a/tests/auto/quick/pointerhandlers/qquickpinchhandler/data/threeFingers.qml b/tests/auto/quick/pointerhandlers/qquickpinchhandler/data/threeFingers.qml
new file mode 100644
index 0000000000..4d1a520c01
--- /dev/null
+++ b/tests/auto/quick/pointerhandlers/qquickpinchhandler/data/threeFingers.qml
@@ -0,0 +1,59 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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
+
+Rectangle {
+    id: root
+    property variant centroid : pinchHandler.centroid
+    property real scale: pinchHandler.scale
+    property int pointCount: 0
+    property bool pinchActive: pinchHandler.active
+    width: 240; height: 320
+
+    Rectangle {
+        id: blackRect
+        objectName: "blackrect"
+        color: "black"
+        y: 50
+        x: 50
+        width: 200
+        height: 200
+
+        PinchHandler {
+            id: pinchHandler
+            objectName: "pinchHandler"
+            minimumScale: 0.5
+            maximumScale: 2.0
+            minimumRotation: 0.0
+            maximumRotation: 0.0
+            minimumPointCount: 3
+            maximumPointCount: 3
+        }
+    }
+}
diff --git a/tests/auto/quick/pointerhandlers/qquickpinchhandler/data/transformedPinchHandler.qml b/tests/auto/quick/pointerhandlers/qquickpinchhandler/data/transformedPinchHandler.qml
new file mode 100644
index 0000000000..46e9ccca87
--- /dev/null
+++ b/tests/auto/quick/pointerhandlers/qquickpinchhandler/data/transformedPinchHandler.qml
@@ -0,0 +1,53 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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
+
+Rectangle {
+    width: 400
+    height: 400
+
+    Rectangle {
+        x: 100
+        y: 100
+        width: 200
+        height: 200
+        rotation: 45
+
+        Rectangle {
+            id: rect
+            scale: 0.5
+            color: "black"
+            anchors.fill: parent
+
+            PinchHandler {
+                objectName: "pinchHandler"
+            }
+        }
+    }
+}