Current File : C:/Windows/Temp/MBInstallTemp/ctlrpkg/QtQuick/Controls/Private/TabBar.qml
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**
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** This file is part of the Qt Quick Controls module of the Qt Toolkit.
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import QtQml 2.14 as Qml
import QtQuick 2.2
import QtQuick.Controls 1.2
import QtQuick.Controls.Private 1.0
/*!
\qmltype TabBar
\internal
\inqmlmodule QtQuick.Controls.Private
*/
FocusScope {
id: tabbar
height: Math.max(tabrow.height, Math.max(leftCorner.height, rightCorner.height))
width: tabView.width
activeFocusOnTab: true
Keys.onRightPressed: {
if (tabView && tabView.currentIndex < tabView.count - 1)
tabView.currentIndex = tabView.currentIndex + 1
}
Keys.onLeftPressed: {
if (tabView && tabView.currentIndex > 0)
tabView.currentIndex = tabView.currentIndex - 1
}
onTabViewChanged: parent = tabView
visible: tabView ? tabView.tabsVisible : true
property var tabView
property var style
property var styleItem: tabView.__styleItem ? tabView.__styleItem : null
property bool tabsMovable: styleItem ? styleItem.tabsMovable : false
property int tabsAlignment: styleItem ? styleItem.tabsAlignment : Qt.AlignLeft
property int tabOverlap: styleItem ? styleItem.tabOverlap : 0
property int elide: Text.ElideRight
property real availableWidth: tabbar.width - leftCorner.width - rightCorner.width
property var __selectedTabRect
function tab(index) {
for (var i = 0; i < tabrow.children.length; ++i) {
if (tabrow.children[i].tabindex == index) {
return tabrow.children[i]
}
}
return null;
}
/*! \internal */
function __isAncestorOf(item, child) {
//TODO: maybe removed from 5.2 if the function was merged in qtdeclarative
if (child === item)
return false;
while (child) {
child = child.parent;
if (child === item)
return true;
}
return false;
}
Loader {
id: background
anchors.fill: parent
sourceComponent: styleItem ? styleItem.tabBar : undefined
}
ListView {
id: tabrow
objectName: "tabrow"
Accessible.role: Accessible.PageTabList
LayoutMirroring.enabled: Qt.application.layoutDirection === Qt.RightToLeft
spacing: -tabOverlap
orientation: Qt.Horizontal
interactive: false
focus: true
clip: true
// Note this will silence the binding loop warnings caused by QTBUG-35038
// and should be removed when this issue is resolved.
property int contentWidthWorkaround: contentWidth > 0 ? contentWidth: 0
width: Math.min(availableWidth, count ? contentWidthWorkaround : availableWidth)
height: currentItem ? currentItem.height : 0
highlightMoveDuration: 0
// We cannot bind directly to the currentIndex because the actual model is
// populated after the listview is completed, resulting in an invalid contentItem
currentIndex: tabView.currentIndex < model.count ? tabView.currentIndex : -1
onCurrentIndexChanged: tabrow.positionViewAtIndex(currentIndex, ListView.Contain)
moveDisplaced: Transition {
NumberAnimation {
property: "x"
duration: 125
easing.type: Easing.OutQuad
}
}
states: [
State {
name: "left"
when: tabsAlignment === Qt.AlignLeft
AnchorChanges { target:tabrow ; anchors.left: parent.left }
PropertyChanges { target:tabrow ; anchors.leftMargin: leftCorner.width }
},
State {
name: "center"
when: tabsAlignment === Qt.AlignHCenter
AnchorChanges { target:tabrow ; anchors.horizontalCenter: tabbar.horizontalCenter }
},
State {
name: "right"
when: tabsAlignment === Qt.AlignRight
AnchorChanges { target:tabrow ; anchors.right: parent.right }
PropertyChanges { target:tabrow ; anchors.rightMargin: rightCorner.width }
}
]
model: tabView.__tabs
delegate: MouseArea {
id: tabitem
objectName: "mousearea"
hoverEnabled: Settings.hoverEnabled
focus: true
enabled: modelData.enabled
Qml.Binding {
target: tabbar
when: selected
property: "__selectedTabRect"
value: Qt.rect(x, y, width, height)
restoreMode: Binding.RestoreBinding
}
drag.target: tabsMovable ? tabloader : null
drag.axis: Drag.XAxis
drag.minimumX: drag.active ? 0 : -Number.MAX_VALUE
drag.maximumX: tabrow.width - tabitem.width
property int tabindex: index
property bool selected : tabView.currentIndex === index
property string title: modelData.title
property bool nextSelected: tabView.currentIndex === index + 1
property bool previousSelected: tabView.currentIndex === index - 1
property bool keyPressed: false
property bool effectivePressed: pressed && containsMouse || keyPressed
z: selected ? 1 : -index
implicitWidth: tabloader.implicitWidth
implicitHeight: tabloader.implicitHeight
function changeTab() {
tabView.currentIndex = index;
var next = tabbar.nextItemInFocusChain(true);
if (__isAncestorOf(tabView.getTab(currentIndex), next))
next.forceActiveFocus();
}
onClicked: {
if (tabrow.interactive) {
changeTab()
}
}
onPressed: {
if (!tabrow.interactive) {
changeTab()
}
}
Keys.onPressed: {
if (event.key === Qt.Key_Space && !event.isAutoRepeat && !tabitem.pressed)
tabitem.keyPressed = true
}
Keys.onReleased: {
if (event.key === Qt.Key_Space && !event.isAutoRepeat && tabitem.keyPressed)
tabitem.keyPressed = false
}
onFocusChanged: if (!focus) tabitem.keyPressed = false
Loader {
id: tabloader
property Item control: tabView
property int index: tabindex
property QtObject styleData: QtObject {
readonly property alias index: tabitem.tabindex
readonly property alias selected: tabitem.selected
readonly property alias title: tabitem.title
readonly property alias nextSelected: tabitem.nextSelected
readonly property alias previousSelected: tabitem.previousSelected
readonly property alias pressed: tabitem.effectivePressed
readonly property alias hovered: tabitem.containsMouse
readonly property alias enabled: tabitem.enabled
readonly property bool activeFocus: tabitem.activeFocus
readonly property real availableWidth: tabbar.availableWidth
readonly property real totalWidth: tabrow.contentWidth
}
sourceComponent: loader.item ? loader.item.tab : null
Drag.keys: "application/x-tabbartab"
Drag.active: tabitem.drag.active
Drag.source: tabitem
property real __prevX: 0
property real __dragX: 0
onXChanged: {
if (Drag.active) {
// keep track for the snap back animation
__dragX = tabitem.mapFromItem(tabrow, tabloader.x, 0).x
// when moving to the left, the hot spot is the left edge and vice versa
Drag.hotSpot.x = x < __prevX ? 0 : width
__prevX = x
}
}
width: tabitem.width
state: Drag.active ? "drag" : ""
transitions: [
Transition {
to: "drag"
PropertyAction { target: tabloader; property: "parent"; value: tabrow }
},
Transition {
from: "drag"
SequentialAnimation {
PropertyAction { target: tabloader; property: "parent"; value: tabitem }
NumberAnimation {
target: tabloader
duration: 50
easing.type: Easing.OutQuad
property: "x"
from: tabloader.__dragX
to: 0
}
}
}
]
}
Accessible.role: Accessible.PageTab
Accessible.name: modelData.title
}
}
Loader {
id: leftCorner
anchors.verticalCenter: parent.verticalCenter
anchors.left: parent.left
sourceComponent: styleItem ? styleItem.leftCorner : undefined
width: item ? item.implicitWidth : 0
height: item ? item.implicitHeight : 0
}
Loader {
id: rightCorner
anchors.verticalCenter: parent.verticalCenter
anchors.right: parent.right
sourceComponent: styleItem ? styleItem.rightCorner : undefined
width: item ? item.implicitWidth : 0
height: item ? item.implicitHeight : 0
}
DropArea {
anchors.fill: tabrow
keys: "application/x-tabbartab"
onPositionChanged: {
var source = drag.source
var target = tabrow.itemAt(drag.x, drag.y)
if (source && target && source !== target) {
source = source.drag.target
target = target.drag.target
var center = target.parent.x + target.width / 2
if ((source.index > target.index && source.x < center)
|| (source.index < target.index && source.x + source.width > center))
tabView.moveTab(source.index, target.index)
}
}
}
}
Mini Shell