plasma-framework/declarativeimports/plasmacomponents/ScrollBar.qml

108 lines
3.6 KiB
QML

/*
* Copyright (C) 2010 by Marco Martin <mart@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import Qt 4.7
import org.kde.plasma.core 0.1 as PlasmaCore
PlasmaCore.FrameSvgItem {
id: scrollBar
width: orientation==Qt.Horizontal?200:22
height: orientation==Qt.Horizontal?22:200
property int minimum: 0
property int maximum: 100
property int value: 0
property string orientation: Qt.Horizontal
onValueChanged: {
if (drag.state != "dragging") {
if (orientation == Qt.Horizontal) {
drag.x = (value/(maximum-minimum))*(scrollBar.width - drag.width)
} else {
drag.y = (value/(maximum-minimum))*(scrollBar.height - drag.height)
}
}
}
imagePath: "widgets/scrollbar"
prefix: orientation==Qt.Horizontal?"background-horizontal":"background-vertical"
PlasmaCore.FrameSvgItem {
id: drag
anchors.top: orientation==Qt.Horizontal?parent.top:null
anchors.bottom: orientation==Qt.Horizontal?parent.bottom:null
anchors.left: orientation==Qt.Horizontal?null:parent.left
anchors.right: orientation==Qt.Horizontal?null:parent.right
state: "normal"
width: (orientation == Qt.Horizontal)?Math.max(12, (parent.width*1/(scrollBar.maximum-scrollBar.minimum))):0
height: (orientation != Qt.Horizontal)?Math.max(12, (parent.height*1/(scrollBar.maximum-scrollBar.minimum))):0
x: 0
y: 0
onXChanged: {
if (orientation == Qt.Horizontal && state == "dragging") {
value = (maximum - minimum)*(x/(scrollBar.width-width))
}
}
onYChanged: {
if (orientation != Qt.Horizontal && state == "dragging") {
value = (maximum - minimum)*(x/(scrollBar.height-height))
}
}
Behavior on x {
NumberAnimation {
duration: 200
}
}
Behavior on y {
NumberAnimation {
duration: 200
}
}
imagePath: "widgets/scrollbar"
prefix: "slider"
MouseArea {
anchors.fill: parent
hoverEnabled: true
drag.target: parent;
drag.axis: orientation == Qt.Horizontal?"XAxis":"YAxis"
drag.minimumX: 0;
drag.maximumX: scrollBar.width-drag.width;
drag.minimumY: 0;
drag.maximumY: scrollBar.height-drag.height;
onEntered: drag.prefix = "mouseover-slider"
onExited: drag.prefix = "slider"
onPressed: {
drag.prefix = "sunken-slider"
drag.state = "dragging"
}
onReleased: {
containsMouse?drag.prefix = "mouseover-slider":drag.prefix = "slider"
drag.state = "normal"
}
}
}
}