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  • Committer: Michał Sawicz
  • Date: 2013-06-05 22:03:08 UTC
  • Revision ID: michal.sawicz@canonical.com-20130605220308-yny8fv3futtr04fg
Inital unity8 commit.

Previous history can be found at https://code.launchpad.net/~unity-team/unity/phablet

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Bottombar/Bottombar.qml
 
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/*
 
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 * Copyright (C) 2013 Canonical, Ltd.
 
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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 General Public License as published by
 
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 * the Free Software Foundation; version 3.
 
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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 General Public License
 
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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 */
 
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import QtQuick 2.0
 
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import "../Components"
 
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import "../Components/Math.js" as MathLocal
 
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import Unity 0.1
 
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Item {
 
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    id: bottombar
 
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    width: shell.width
 
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    height: shell.height
 
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    property variant theHud
 
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    property bool enabled: false
 
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    readonly property real bottomEdgeButtonCenterDistance: units.gu(34)
 
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    readonly property real bottomEdgeShowButtonDistance: units.gu(2)
 
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    property bool __applicationInFocus: false
 
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    state: "hidden"
 
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    HudButton {
 
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        id: hudButton
 
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        x: MathLocal.clamp(hudButtonRevealer.pressedX - width / 2, 0, bottombar.width - width)
 
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        y: bottombar.height - bottomEdgeButtonCenterDistance - height / 2 - bottomMargin
 
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        Behavior on bottomMargin {
 
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            NumberAnimation{duration: hudButton.opacity < 0.01 ? 200 : 70; easing.type: Easing.OutQuart}
 
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        }
 
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        mouse: {
 
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            if (hudButtonRevealer.draggingArea.pressed) {
 
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                var mapped = mapFromItem(hudButtonRevealer.draggingArea, hudButtonRevealer.draggingArea.mouseX, hudButtonRevealer.draggingArea.mouseY)
 
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                return Qt.point(mapped.x, mapped.y)
 
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            } else {
 
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                return mouse
 
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            }
 
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        }
 
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        Behavior on opacity {
 
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            NumberAnimation{ duration: 200; easing.type: Easing.OutCubic}
 
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        }
 
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    }
 
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    Connections {
 
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        target: theHud
 
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        onShownChanged: bottomBarVisibilityCommunicatorShell.forceHidden = theHud.shown
 
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    }
 
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    function updateApplicationInFocus() {
 
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        if (shell.applicationManager.mainStageFocusedApplication || shell.applicationManager.sideStageFocusedApplication) {
 
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            __applicationInFocus = true
 
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        } else {
 
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            __applicationInFocus = false
 
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        }
 
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    }
 
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    Connections {
 
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        target: shell.applicationManager
 
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        ignoreUnknownSignals: true
 
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        onMainStageFocusedApplicationChanged: updateApplicationInFocus()
 
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        onSideStageFocusedApplicationChanged: updateApplicationInFocus()
 
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    }
 
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    Showable {
 
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        id: hudButtonShowable
 
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        opacity: 1.0
 
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        width: parent.width
 
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        height: bottomEdgeShowButtonDistance
 
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        shown: false
 
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        showAnimation: StandardAnimation { property: "y"; duration: 350; to: hudButtonRevealer.openedValue; easing.type: Easing.OutCubic }
 
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        hideAnimation: StandardAnimation { property: "y"; duration: 350; to: hudButtonRevealer.closedValue; easing.type: Easing.OutCubic }
 
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        onYChanged: {
 
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            if (y == hudButtonRevealer.openedValue)
 
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                bottombar.state = "shown"
 
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        }
 
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        // eater
 
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        MouseArea {
 
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            anchors.fill: parent
 
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        }
 
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    }
 
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    Revealer {
 
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        id: hudButtonRevealer
 
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        property double pressedX
 
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        enabled: !theHud.shown && bottombar.enabled && __applicationInFocus
 
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        direction: Qt.RightToLeft
 
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        openedValue: bottombar.height - height
 
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        closedValue: bottombar.height
 
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        target: hudButtonShowable
 
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        width: hudButtonShowable.width
 
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        height: hudButtonShowable.height
 
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        anchors.bottom: bottombar.bottom
 
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        onOpenPressed: {
 
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            pressedX = mouseX
 
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        }
 
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        onOpenReleased: {
 
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            if (hudButton.opacity != 0 && hudButton.mouseOver) {
 
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                hudButtonShowable.hide()
 
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                theHud.show()
 
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            } else {
 
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                hudButtonShowable.hide()
 
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            }
 
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        }
 
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    }
 
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    Connections {
 
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        target: hudButtonShowable.hideAnimation
 
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        onRunningChanged: {
 
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            if (hudButtonShowable.hideAnimation.running) {
 
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                bottombar.state = "hidden"
 
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            }
 
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        }
 
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    }
 
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    states: [
 
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        State {
 
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            name: "hidden"
 
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            PropertyChanges { target: hudButton; opacity: 0}
 
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            PropertyChanges { target: hudButton; bottomMargin: units.gu(-1)}
 
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        },
 
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        State {
 
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            name: "shown"
 
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            PropertyChanges { target: hudButton; opacity: 1}
 
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            PropertyChanges { target: hudButton; bottomMargin: units.gu(0)}
 
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        }
 
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    ]
 
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}