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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 Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
import QtQuick 1.0
import "custom" as Components
Item {
id: scrollbar
property int orientation : Qt.Horizontal
property alias minimumValue: slider.minimumValue
property alias maximumValue: slider.maximumValue
property int pageStep: styleitem.horizontal ? width : height
property int singleStep: 20
property alias value: slider.value
property bool scrollToClickposition: styleitem.styleHint("scrollToClickPosition")
width: orientation == Qt.Horizontal ? 200 : internal.scrollbarExtent
height: orientation == Qt.Horizontal ? internal.scrollbarExtent : 200
onValueChanged: internal.updateHandle()
MouseArea {
id: internal
anchors.fill: parent
property bool upPressed
property bool downPressed
property bool pageUpPressed
property bool pageDownPressed
property bool autoincrement: false
property int scrollbarExtent : styleitem.pixelMetric("scrollbarExtent");
property bool handlePressed
// Update hover item
onEntered: styleitem.activeControl = styleitem.hitTest(mouseX, mouseY)
onExited: styleitem.activeControl = "none"
onMouseXChanged: styleitem.activeControl = styleitem.hitTest(mouseX, mouseY)
hoverEnabled: true
property variant control
property variant pressedX
property variant pressedY
property int oldPosition
property int grooveSize
Timer {
running: internal.upPressed || internal.downPressed || internal.pageUpPressed || internal.pageDownPressed
interval: 350
onTriggered: internal.autoincrement = true
}
Timer {
running: internal.autoincrement
interval: 60
repeat: true
onTriggered: internal.upPressed ? internal.decrement() : internal.downPressed ? internal.increment() :
internal.pageUpPressed ? internal.decrementPage() :
internal.incrementPage()
}
onMousePositionChanged: {
if (pressed && control === "handle") {
//slider.positionAtMaximum = grooveSize
if (!styleitem.horizontal)
slider.position = oldPosition + (mouseY - pressedY)
else
slider.position = oldPosition + (mouseX - pressedX)
}
}
onPressed: {
control = styleitem.hitTest(mouseX,mouseY)
scrollToClickposition = styleitem.styleHint("scrollToClickPosition")
grooveSize = styleitem.horizontal? styleitem.subControlRect("groove").width -
styleitem.subControlRect("handle").width:
styleitem.subControlRect("groove").height -
styleitem.subControlRect("handle").height;
if (control == "handle") {
pressedX = mouseX
pressedY = mouseY
oldPosition = slider.position
} else if (control == "up") {
decrement();
upPressed = true
} else if (control == "down") {
increment();
downPressed = true
} else if (!scrollToClickposition){
if (control == "upPage") {
decrementPage();
pageUpPressed = true
} else if (control == "downPage") {
incrementPage();
pageDownPressed = true
}
} else {
slider.position = styleitem.horizontal ? mouseX - handleRect.width/2
: mouseY - handleRect.height/2
}
}
onReleased: {
autoincrement = false;
upPressed = false;
downPressed = false;
pageUpPressed = false
pageDownPressed = false
control = ""
}
function incrementPage() {
value += pageStep
if (value > maximumValue)
value = maximumValue
}
function decrementPage() {
value -= pageStep
if (value < minimumValue)
value = minimumValue
}
function increment() {
value += singleStep
if (value > maximumValue)
value = maximumValue
}
function decrement() {
value -= singleStep
if (value < minimumValue)
value = minimumValue
}
QStyleItem {
id: styleitem
anchors.fill:parent
elementType: "scrollbar"
hover: activeControl != "none"
activeControl: "none"
sunken: internal.upPressed | internal.downPressed
minimum: slider.minimumValue
maximum: slider.maximumValue
value: slider.value
horizontal: orientation == Qt.Horizontal
enabled: parent.enabled
}
property variant handleRect: Qt.rect(0,0,0,0)
property variant grooveRect: Qt.rect(0,0,0,0)
function updateHandle() {
internal.handleRect = styleitem.subControlRect("handle")
grooveRect = styleitem.subControlRect("groove");
}
RangeModel {
id: slider
minimumValue: 0.0
maximumValue: 1.0
value: 0
stepSize: 0.0
inverted: false
positionAtMaximum: internal.grooveSize
}
}
}
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