diff options
Diffstat (limited to 'basicsuite/Shader Effects/Slider.qml')
-rw-r--r-- | basicsuite/Shader Effects/Slider.qml | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/basicsuite/Shader Effects/Slider.qml b/basicsuite/Shader Effects/Slider.qml new file mode 100644 index 0000000..4b937a4 --- /dev/null +++ b/basicsuite/Shader Effects/Slider.qml @@ -0,0 +1,143 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Graphical Effects module. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc 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 + +Item { + id: slider + + 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" + + 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: slider.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: integer ? slider.value.toFixed(0) : slider.value.toFixed(1) + font.family: "Arial" + font.pixelSize: 11 + color: "#999999" + } + + Item { + id: track + height: parent.height + anchors.verticalCenter: parent.verticalCenter + anchors.left: parent.left + anchors.leftMargin: parent.width / 2 + anchors.right: parent.right + anchors.rightMargin: 10 + + BorderImage { + source: "images/slider_track.png" + anchors.left: parent.left + anchors.right: parent.right + border.right: 2 + } + + BorderImage { + id: trackFilled + anchors.left: minimum == -maximum ? (value < 0 ? handle.horizontalCenter : parent.horizontalCenter) : parent.left + anchors.right: minimum == -maximum && value < 0 ? parent.horizontalCenter : handle.horizontalCenter + source: "images/slider_track_filled.png" + border.left: 3 + border.right: 3 + } + + Image { + id: handle; + smooth: true + source: mouseArea.pressed ? 'images/slider_handle_pressed.png' : slider.handleSource + x: updatePos() + } + + MouseArea { + id: mouseArea + anchors { left: parent.left; right: parent.right; verticalCenter: parent.verticalCenter } + height: 16 + preventStealing: true + + onPressed: { + var handleX = Math.max(0, Math.min(mouseX, mouseArea.width)) + var realValue = (maximum - minimum) * handleX / mouseArea.width + minimum; + value = slider.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 = slider.integer ? Math.round(realValue) : realValue; + } + } + } + } +} |