1 files changed, 91 insertions, 0 deletions
diff --git a/src/controls/Styles/Base/HandleStyleHelper.qml b/src/controls/Styles/Base/HandleStyleHelper.qml
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+++ b/src/controls/Styles/Base/HandleStyleHelper.qml
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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Extras 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 2.2
+
+QtObject {
+    id: handleStyleHelper
+
+    property color handleColorTop: "#969696"
+    property color handleColorBottom: Qt.rgba(0.9, 0.9, 0.9, 0.298)
+    property real handleColorBottomStop: 0.7
+
+    property color handleRingColorTop: "#b0b0b0"
+    property color handleRingColorBottom: "transparent"
+
+    /*!
+        If \a ctx is the only argument, this is equivalent to calling
+        paintHandle(\c ctx, \c 0, \c 0, \c ctx.canvas.width, \c ctx.canvas.height).
+    */
+    function paintHandle(ctx, handleX, handleY, handleWidth, handleHeight) {
+        ctx.reset();
+
+        if (handleWidth < 0)
+            return;
+
+        if (arguments.length == 1) {
+            handleX = 0;
+            handleY = 0;
+            handleWidth = ctx.canvas.width;
+            handleHeight = ctx.canvas.height;
+        }
+
+        ctx.beginPath();
+        var gradient = ctx.createRadialGradient(handleX, handleY, handleWidth / 2,
+            handleX, handleY, handleWidth);
+        gradient.addColorStop(0, handleColorTop);
+        gradient.addColorStop(handleColorBottomStop, handleColorBottom);
+        ctx.ellipse(handleX, handleY, handleWidth, handleHeight);
+        ctx.fillStyle = gradient;
+        ctx.fill();
+
+        /* Draw the ring gradient around the handle. */
+        // Clip first, so we only draw inside the ring.
+        ctx.beginPath();
+        ctx.ellipse(handleX, handleY, handleWidth, handleHeight);
+        ctx.ellipse(handleX + 2, handleY + 2, handleWidth - 4, handleHeight - 4);
+        ctx.clip();
+
+        ctx.beginPath();
+        gradient = ctx.createLinearGradient(handleX + handleWidth / 2, handleY,
+            handleX + handleWidth / 2, handleY + handleHeight);
+        gradient.addColorStop(0, handleRingColorTop);
+        gradient.addColorStop(1, handleRingColorBottom);
+        ctx.ellipse(handleX, handleY, handleWidth, handleHeight);
+        ctx.fillStyle = gradient;
+        ctx.fill();
+    }
+}