diff options
author | Luis Gabriel Lima <luis.gabriel@openbossa.org> | 2012-01-05 15:19:26 -0300 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-03-10 02:28:11 +0100 |
commit | f2e1be963f885a6030136591414cdbda26d50695 (patch) | |
tree | 3ff02cedfbf5df61e8459dc6d58afd437b23e87b /examples | |
parent | 78356f6038065227acb2dc898994765f49f07b42 (diff) |
Add mouse wheel events handler to MouseArea
This patch was based on the attached patch in QTBUG-7369. It basically
exposes the wheel events to MouseArea via the onWheel signal.
The current API is based on the new QWheelEvent API introduced by this
patch: http://codereview.qt-project.org/#change,12532
Task-number: QTBUG-7369
Change-Id: Id58513715c2d0ae81e3a69e9e1ed400bbae07507
Reviewed-by: Michael Brasser <michael.brasser@nokia.com>
Diffstat (limited to 'examples')
-rw-r--r-- | examples/qtquick/mousearea/mousearea-wheel-example.qml | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/examples/qtquick/mousearea/mousearea-wheel-example.qml b/examples/qtquick/mousearea/mousearea-wheel-example.qml new file mode 100644 index 0000000000..60cfb166f8 --- /dev/null +++ b/examples/qtquick/mousearea/mousearea-wheel-example.qml @@ -0,0 +1,84 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.0 + +Rectangle { + height: 700 + width: 485 + color: "#333333" + + Column { + anchors.centerIn: parent + spacing: 2 + + Repeater { + model: ["#9ACD32", "#EEEEEE", "#FFD700", "#87CEEB"] + + Rectangle { + property real scaleFactor: 1 + + height: 40 * scaleFactor + width: 60 * scaleFactor + color: modelData + anchors.horizontalCenter: parent.horizontalCenter + + MouseArea { + anchors.fill: parent + onWheel: { + if (wheel.modifiers & Qt.ControlModifier) { + if (wheel.angleDelta.y > 0) + parent.scaleFactor += 0.2; + else if (parent.scaleFactor - 0.2 >= 0.2) + parent.scaleFactor -= 0.2; + } + } + } + } + } + } + + Text { + anchors.bottom: parent.bottom + anchors.horizontalCenter: parent.horizontalCenter + color: "#FFD700" + text: "Rotate the mouse wheel pressing <Control> to resize the squares." + } +} |