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Viewing changes to plasma/declarativeimports/plasmacomponents/qml/ScrollDecoratorDelegate.qml

  • Committer: Package Import Robot
  • Author(s): Philip Muškovac
  • Date: 2012-06-03 21:50:00 UTC
  • mto: This revision was merged to the branch mainline in revision 21.
  • Revision ID: package-import@ubuntu.com-20120603215000-vn7oarsq0ynrydj5
Tags: upstream-4.8.80
Import upstream version 4.8.80

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plasma/declarativeimports/plasmacomponents/qml/ScrollDecoratorDelegate.qml
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/*
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*   Copyright (C) 2011 by Daker Fernandes Pinheiro <dakerfp@gmail.com>
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*   Copyright (C) 2011 Marco Martin <mart@kde.org>
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*
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*   This program is free software; you can redistribute it and/or modify
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*   it under the terms of the GNU Library General Public License as
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*   published by the Free Software Foundation; either version 2, or
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*   (at your option) any later version.
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*
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*   This program is distributed in the hope that it will be useful,
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*   but WITHOUT ANY WARRANTY; without even the implied warranty of
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*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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*   GNU General Public License for more details
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*
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*   You should have received a copy of the GNU Library General Public
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*   License along with this program; if not, write to the
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*   Free Software Foundation, Inc.,
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*   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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*/
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import QtQuick 1.1
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import org.kde.plasma.core 0.1 as PlasmaCore
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PlasmaCore.FrameSvgItem {
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    id: background
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    anchors.fill: parent
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    imagePath:"widgets/scrollbar"
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    prefix: internalLoader.isVertical ? "background-vertical" : "background-horizontal"
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    opacity: 0
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    Behavior on opacity {
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        NumberAnimation {
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            duration: 250
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            easing.type: Easing.OutQuad
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        }
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    }
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    property Item handle: handle
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    property Item contents: contents
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    Item {
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        id: contents
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        anchors.fill: parent
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        PlasmaCore.FrameSvgItem {
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            id: handle
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            imagePath:"widgets/scrollbar"
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            prefix: "slider"
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            function length()
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            {
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                var nh, ny;
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                if (internalLoader.isVertical) {
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                    nh = flickableItem.visibleArea.heightRatio * internalLoader.height
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                } else {
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                    nh = flickableItem.visibleArea.widthRatio * internalLoader.width
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                }
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                if (internalLoader.isVertical) {
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                    ny = flickableItem.visibleArea.yPosition * internalLoader.height
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                } else {
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                    ny = flickableItem.visibleArea.xPosition * internalLoader.width
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                }
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                if (ny > 3) {
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                    var t
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                    if (internalLoader.isVertical) {
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                        t = Math.ceil(internalLoader.height - 3 - ny)
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                    } else {
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                        t = Math.ceil(internalLoader.width - 3 - ny)
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                    }
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                    if (nh > t) {
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                        return t
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                    } else {
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                        return nh
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                    }
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                } else {
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                    return nh + ny
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                }
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            }
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            width: internalLoader.isVertical ? parent.width : length()
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            height: internalLoader.isVertical ? length() : parent.height
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        }
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    }
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    property MouseArea mouseArea: null
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    Connections {
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        target: flickableItem
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        onMovingChanged: {
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            if (flickableItem.moving) {
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                opacityTimer.running = false
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                background.opacity = 1
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            } else {
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                opacityTimer.restart()
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            }
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        }
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    }
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    Timer {
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        id: opacityTimer
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        interval: 500
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        repeat: false
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        running: false
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        onTriggered: {
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            background.opacity = 0
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        }
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    }
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}
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