forked from Qortal/Brooklyn
217 lines
8.0 KiB
QML
217 lines
8.0 KiB
QML
/*
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* Copyright (C) 2021 by Mikel Johnson <mikel5764@gmail.com>
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* Copyright (C) 2021 by Noah Davis <noahadvs@gmail.com>
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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; either version 2 of the License, 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 General Public License along
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* with this program; if not, write to the 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 2.15
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import QtQml 2.15
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import org.kde.plasma.core 2.0 as PlasmaCore
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import org.kde.plasma.components 3.0 as PC3
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import org.kde.plasma.extras 2.0 as PlasmaExtras
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PlasmaExtras.PlasmoidHeading {
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id: root
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readonly property alias tabBar: tabBar
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property real preferredTabBarWidth: 0
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readonly property alias leaveButtons: leaveButtons
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contentWidth: tabBar.implicitWidth + root.spacing + root.spacing + leaveButtons.implicitWidth
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contentHeight: leaveButtons.implicitHeight
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// We use an increased vertical padding to improve touch usability
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leftPadding: plasmoid.rootItem.backgroundMetrics.leftPadding
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rightPadding: plasmoid.rootItem.backgroundMetrics.rightPadding
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topPadding: PlasmaCore.Units.smallSpacing*2
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bottomPadding: PlasmaCore.Units.smallSpacing*2
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leftInset: 0
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rightInset: 0
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topInset: 0
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bottomInset: 0
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spacing: plasmoid.rootItem.backgroundMetrics.spacing
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position: PC3.ToolBar.Footer
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PC3.TabBar {
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id: tabBar
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property real tabWidth: Math.max(applicationsTab.implicitWidth, placesTab.implicitWidth)
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focus: true
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width: root.preferredTabBarWidth > 0 ? root.preferredTabBarWidth : implicitWidth
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implicitWidth: contentWidth + leftPadding + rightPadding
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implicitHeight: contentHeight + topPadding + bottomPadding
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// This is needed to keep the sparators horizontally aligned
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leftPadding: mirrored ? root.spacing : 0
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rightPadding: !mirrored ? root.spacing : 0
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anchors {
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left: parent.left
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top: parent.top
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bottom:parent.bottom
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}
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position: PC3.TabBar.Footer
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contentItem: ListView {
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id: tabBarListView
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focus: true
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model: tabBar.contentModel
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currentIndex: tabBar.currentIndex
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spacing: tabBar.spacing
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orientation: ListView.Horizontal
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boundsBehavior: Flickable.StopAtBounds
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flickableDirection: Flickable.AutoFlickIfNeeded
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snapMode: ListView.SnapToItem
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highlightMoveDuration: PlasmaCore.Units.longDuration
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highlightRangeMode: ListView.ApplyRange
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preferredHighlightBegin: tabBar.tabWidth
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preferredHighlightEnd: width - tabBar.tabWidth
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highlight: PlasmaCore.FrameSvgItem {
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anchors.top: tabBarListView.contentItem.top
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anchors.bottom: tabBarListView.contentItem.bottom
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anchors.topMargin: -root.topPadding
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anchors.bottomMargin: -root.bottomPadding
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imagePath: "widgets/tabbar"
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prefix: tabBar.position == PC3.TabBar.Header ? "north-active-tab" : "south-active-tab"
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colorGroup: PlasmaCore.ColorScope.colorGroup
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}
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keyNavigationEnabled: false
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}
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PC3.TabButton {
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id: applicationsTab
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focus: true
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width: tabBar.tabWidth
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anchors.top: tabBarListView.contentItem.top
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anchors.bottom: tabBarListView.contentItem.bottom
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anchors.topMargin: -root.topPadding
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anchors.bottomMargin: -root.bottomPadding
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icon.width: PlasmaCore.Units.iconSizes.smallMedium
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icon.height: PlasmaCore.Units.iconSizes.smallMedium
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icon.name: "applications-other"
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text: i18n("Applications")
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KeyNavigation.backtab: plasmoid.rootItem.contentArea ? plasmoid.rootItem.contentArea : null
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}
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PC3.TabButton {
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id: placesTab
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width: tabBar.tabWidth
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anchors.top: tabBarListView.contentItem.top
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anchors.bottom: tabBarListView.contentItem.bottom
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anchors.topMargin: -root.topPadding
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anchors.bottomMargin: -root.bottomPadding
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icon.width: PlasmaCore.Units.iconSizes.smallMedium
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icon.height: PlasmaCore.Units.iconSizes.smallMedium
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icon.name: "compass"
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text: i18n("Places") //Explore?
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}
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Connections {
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target: plasmoid
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function onExpandedChanged() {
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if(!plasmoid.expanded) {
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tabBar.currentIndex = 0
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}
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}
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}
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Keys.onLeftPressed: {
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let moved = false
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if (LayoutMirroring.enabled && currentIndex === 0) {
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incrementCurrentIndex()
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currentItem.forceActiveFocus(Qt.TabFocusReason)
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moved = true
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} else if (currentIndex === 1) {
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decrementCurrentIndex()
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currentItem.forceActiveFocus(Qt.BacktabFocusReason)
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moved = true
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}
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if (!moved && currentIndex === 1) {
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leaveButtons.nextItemInFocusChain().forceActiveFocus(Qt.TabFocusReason)
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}
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}
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Keys.onRightPressed: {
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let moved = false
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if (LayoutMirroring.enabled && currentIndex === 1) {
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decrementCurrentIndex()
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currentItem.forceActiveFocus(Qt.BacktabFocusReason)
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moved = true
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} else if (currentIndex === 0) {
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incrementCurrentIndex()
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currentItem.forceActiveFocus(Qt.TabFocusReason)
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moved = true
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}
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if (!moved && currentIndex === 1) {
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leaveButtons.nextItemInFocusChain().forceActiveFocus(Qt.TabFocusReason)
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}
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}
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Keys.onUpPressed: plasmoid.rootItem.sideBar.forceActiveFocus(Qt.BacktabFocusReason)
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}
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LeaveButtons {
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id: leaveButtons
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anchors {
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right: parent.right
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top: parent.top
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bottom: parent.bottom
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leftMargin: root.spacing
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}
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Keys.onUpPressed: plasmoid.rootItem.contentArea.forceActiveFocus(Qt.BacktabFocusReason)
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}
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Behavior on height {
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enabled: plasmoid.expanded
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NumberAnimation {
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duration: PlasmaCore.Units.longDuration
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easing.type: Easing.InQuad
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}
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}
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// Using item containing WheelHandler instead of MouseArea because
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// MouseArea doesn't keep track to the total amount of rotation.
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// Keeping track of the total amount of rotation makes it work
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// better for touch pads.
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Item {
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id: mouseItem
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parent: root
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anchors.left: parent.left
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height: root.height
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width: tabBar.width
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z: 1 // Has to be above contentItem to receive mouse wheel events
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WheelHandler {
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id: tabScrollHandler
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acceptedDevices: PointerDevice.Mouse | PointerDevice.TouchPad
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onWheel: {
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let shouldDec = rotation >= 15
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let shouldInc = rotation <= -15
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let shouldReset = (rotation > 0 && tabBar.currentIndex == 0) || (rotation < 0 && tabBar.currentIndex == tabBar.count-1)
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if (shouldDec) {
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tabBar.decrementCurrentIndex();
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rotation = 0
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} else if (shouldInc) {
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tabBar.incrementCurrentIndex();
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rotation = 0
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} else if (shouldReset) {
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rotation = 0
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}
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}
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}
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}
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}
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