279 lines
10 KiB
QML
279 lines
10 KiB
QML
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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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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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick 2.2
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import QtQuick.Controls 1.2
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import QtQuick.Controls.Styles 1.1
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import QtQuick.Controls.Private 1.0
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Loader {
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id: menuFrameLoader
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property var __menu
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Accessible.role: Accessible.PopupMenu
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visible: status === Loader.Ready
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width: content.width + (d.style ? d.style.padding.left + d.style.padding.right : 0)
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height: content.height + (d.style ? d.style.padding.top + d.style.padding.bottom : 0)
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Loader {
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id: styleLoader
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active: !__menu.isNative
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sourceComponent: __menu.style
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property alias __control: menuFrameLoader
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onStatusChanged: {
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if (status === Loader.Error)
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console.error("Failed to load Style for", __menu)
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}
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}
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sourceComponent: d.style ? d.style.frame : undefined
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QtObject {
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id: d
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property var mnemonicsMap: ({})
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readonly property Style style: styleLoader.item
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readonly property Component menuItemPanel: style ? style.menuItemPanel : null
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function canBeHovered(index) {
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var item = content.menuItemAt(index)
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if (item && item.visible && item.styleData.type !== MenuItemType.Separator && item.styleData.enabled) {
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__menu.__currentIndex = index
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return true
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}
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return false
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}
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function triggerCurrent() {
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var item = content.menuItemAt(__menu.__currentIndex)
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if (item)
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triggerAndDismiss(item)
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}
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function triggerAndDismiss(item) {
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if (!item)
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return;
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if (item.styleData.type === MenuItemType.Separator)
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__menu.__dismissAndDestroy()
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else if (item.styleData.type === MenuItemType.Item)
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item.__menuItem.trigger()
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}
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}
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focus: true
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Keys.onPressed: {
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var item = null
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if (!(event.modifiers & Qt.AltModifier)
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&& (item = d.mnemonicsMap[event.text.toUpperCase()])) {
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if (item.styleData.type === MenuItemType.Menu) {
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__menu.__currentIndex = item.__menuItemIndex
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item.__showSubMenu(true)
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item.__menuItem.__currentIndex = 0
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} else {
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d.triggerAndDismiss(item)
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}
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event.accepted = true
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} else {
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event.accepted = false
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}
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}
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Keys.onEscapePressed: __menu.__dismissAndDestroy()
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Keys.onDownPressed: {
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if (__menu.__currentIndex < 0)
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__menu.__currentIndex = -1
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for (var i = __menu.__currentIndex + 1;
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i < __menu.items.length && !d.canBeHovered(i); i++)
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;
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event.accepted = true
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}
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Keys.onUpPressed: {
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for (var i = __menu.__currentIndex - 1;
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i >= 0 && !d.canBeHovered(i); i--)
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;
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event.accepted = true
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}
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Keys.onLeftPressed: {
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if ((event.accepted = __menu.__parentMenu.hasOwnProperty("title")))
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__menu.__closeAndDestroy()
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}
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Keys.onRightPressed: {
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var item = content.menuItemAt(__menu.__currentIndex)
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if (item && item.styleData.type === MenuItemType.Menu
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&& !item.__menuItem.__popupVisible) {
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item.__showSubMenu(true)
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item.__menuItem.__currentIndex = 0
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event.accepted = true
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} else {
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event.accepted = false
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}
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}
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Keys.onSpacePressed: d.triggerCurrent()
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Keys.onReturnPressed: d.triggerCurrent()
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Keys.onEnterPressed: d.triggerCurrent()
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Binding {
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// Make sure the styled frame is in the background
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target: item
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property: "z"
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value: content.z - 1
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}
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ColumnMenuContent {
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id: content
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x: d.style ? d.style.padding.left : 0
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y: d.style ? d.style.padding.top : 0
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menuItemDelegate: menuItemComponent
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scrollIndicatorStyle: d.style && d.style.scrollIndicator || null
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scrollerStyle: d.style && d.style.__scrollerStyle
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itemsModel: __menu.items
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minWidth: __menu.__minimumWidth
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maxHeight: d.style ? d.style.__maxPopupHeight : 0
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onTriggered: d.triggerAndDismiss(item)
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}
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Component {
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id: menuItemComponent
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Loader {
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id: menuItemLoader
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Accessible.role: opts.type === MenuItemType.Item || opts.type === MenuItemType.Menu ?
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Accessible.MenuItem : Accessible.NoRole
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Accessible.name: StyleHelpers.removeMnemonics(opts.text)
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Accessible.checkable: opts.checkable
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Accessible.checked: opts.checked
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Accessible.onPressAction: {
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if (opts.type === MenuItemType.Item) {
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d.triggerAndDismiss(menuItemLoader)
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} else if (opts.type === MenuItemType.Menu) {
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__showSubMenu(true /*immediately*/)
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}
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}
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property QtObject styleData: QtObject {
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id: opts
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readonly property int index: __menuItemIndex
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readonly property int type: __menuItem ? __menuItem.type : -1
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readonly property bool selected: type !== MenuItemType.Separator && __menu.__currentIndex === index
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readonly property bool pressed: type !== MenuItemType.Separator && __menu.__currentIndex === index
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&& content.mousePressed // TODO Add key pressed condition once we get delayed menu closing
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readonly property string text: type === MenuItemType.Menu ? __menuItem.title :
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type !== MenuItemType.Separator ? __menuItem.text : ""
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readonly property bool underlineMnemonic: __menu.__contentItem.altPressed
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readonly property string shortcut: !!__menuItem && __menuItem["shortcut"] || ""
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readonly property var iconSource: !!__menuItem && __menuItem["iconSource"] || undefined
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readonly property bool enabled: type !== MenuItemType.Separator && !!__menuItem && __menuItem.enabled
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readonly property bool checked: !!__menuItem && !!__menuItem["checked"]
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readonly property bool checkable: !!__menuItem && !!__menuItem["checkable"]
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readonly property bool exclusive: !!__menuItem && !!__menuItem["exclusiveGroup"]
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readonly property int scrollerDirection: Qt.NoArrow
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}
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readonly property var __menuItem: modelData
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readonly property int __menuItemIndex: index
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sourceComponent: d.menuItemPanel
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enabled: visible && opts.enabled
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visible: !!__menuItem && __menuItem.visible
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active: visible
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function __showSubMenu(immediately) {
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if (!__menuItem.enabled)
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return;
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if (immediately) {
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if (__menu.__currentIndex === __menuItemIndex) {
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if (__menuItem.__usingDefaultStyle)
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__menuItem.style = __menu.style
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__menuItem.__popup(Qt.rect(menuFrameLoader.width - (d.style.submenuOverlap + d.style.padding.right), -d.style.padding.top, 0, 0), -1)
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}
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} else {
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openMenuTimer.start()
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}
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}
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Timer {
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id: openMenuTimer
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interval: d.style.submenuPopupDelay
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onTriggered: menuItemLoader.__showSubMenu(true)
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}
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function __closeSubMenu() {
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if (openMenuTimer.running)
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openMenuTimer.stop()
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else if (__menuItem.__popupVisible)
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closeMenuTimer.start()
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}
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Timer {
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id: closeMenuTimer
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interval: 1
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onTriggered: {
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if (__menu.__currentIndex !== __menuItemIndex)
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__menuItem.__closeAndDestroy()
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}
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}
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onLoaded: {
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__menuItem.__visualItem = menuItemLoader
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if (content.width < item.implicitWidth)
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content.width = item.implicitWidth
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var title = opts.text
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var ampersandPos = title.indexOf("&")
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if (ampersandPos !== -1)
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d.mnemonicsMap[title[ampersandPos + 1].toUpperCase()] = menuItemLoader
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}
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Binding {
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target: menuItemLoader.item
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property: "width"
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property alias menuItem: menuItemLoader.item
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value: menuItem ? Math.max(__menu.__minimumWidth, content.width) - 2 * menuItem.x : 0
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}
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}
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}
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}
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