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/****************************************************************************
**
** 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;
}
}
}
}
}
|
