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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Quick Controls module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.1
import QtQuick.Controls 1.0
import QtQuick.Controls.Styles 1.0
import QtQuick.Controls.Private 1.0
/*!
\qmltype MenuBar
\inqmlmodule QtQuick.Controls 1.0
\since QtQuick.Controls 1.0
\ingroup menus
\brief Provides a horizontal menu bar.
\code
MenuBar {
Menu {
title: "File"
MenuItem { text: "Open..." }
MenuItem { text: "Close" }
}
Menu {
title: "Edit"
MenuItem { text: "Cut" }
MenuItem { text: "Copy" }
MenuItem { text: "Paste" }
}
}
\endcode
\sa ApplicationWindow::menuBar
*/
MenuBarPrivate {
id: root
/*! \internal */
property Component style: Qt.createComponent(Settings.theme() + "/MenuBarStyle.qml", root)
/*! \internal */
__contentItem: Loader {
id: topLoader
sourceComponent: __menuBarComponent
active: !root.__isNative
focus: true
}
/*! \internal */
property Component __menuBarComponent: Loader {
id: menuBarLoader
property Style __style: styleLoader.item
property Component menuItemStyle: __style ? __style.menuItem : null
property var control: root
onStatusChanged: if (status === Loader.Error) console.error("Failed to load panel for", root)
visible: status === Loader.Ready
sourceComponent: __style ? __style.frame : undefined
Loader {
id: styleLoader
sourceComponent: root.style
onStatusChanged: {
if (status === Loader.Error)
console.error("Failed to load Style for", root)
}
}
property int openedMenuIndex: -1
property bool preselectMenuItem: false
property alias contentHeight: row.height
Binding {
// Make sure the styled menu bar is in the background
target: menuBarLoader.item
property: "z"
value: menuMouseArea.z - 1
}
focus: openedMenuIndex !== -1
Keys.onLeftPressed: {
if (openedMenuIndex > 0) {
preselectMenuItem = true
openedMenuIndex--
}
}
Keys.onRightPressed: {
if (openedMenuIndex < root.menus.length - 1) {
preselectMenuItem = true
openedMenuIndex++
}
}
MouseArea {
id: menuMouseArea
anchors.fill: parent
hoverEnabled: true
onPositionChanged: updateCurrentItem(mouse, false)
onPressed: {
if (updateCurrentItem(mouse)) {
menuBarLoader.preselectMenuItem = false
menuBarLoader.openedMenuIndex = currentItem.menuItemIndex
}
}
onExited: hoveredItem = null
property Item currentItem: null
property Item hoveredItem: null
function updateCurrentItem(mouse) {
var pos = mapToItem(row, mouse.x, mouse.y)
if (!hoveredItem || !hoveredItem.contains(Qt.point(pos.x - currentItem.x, pos.y - currentItem.y))) {
hoveredItem = row.childAt(pos.x, pos.y)
if (!hoveredItem)
return false;
currentItem = hoveredItem
if (menuBarLoader.openedMenuIndex !== -1) {
menuBarLoader.preselectMenuItem = false
menuBarLoader.openedMenuIndex = currentItem.menuItemIndex
}
}
return true;
}
Row {
id: row
Repeater {
id: itemsRepeater
model: root.menus
Loader {
id: menuItemLoader
property var menuItem: modelData
property bool selected: menuMouseArea.hoveredItem === menuItemLoader
property bool sunken: menuItem.__popupVisible || menuBarLoader.openedMenuIndex === index
sourceComponent: menuBarLoader.menuItemStyle
property int menuItemIndex: index
Connections {
target: menuBarLoader
onOpenedMenuIndexChanged: {
if (menuBarLoader.openedMenuIndex === index) {
menuItem.__popup(0, menuBarLoader.height, 0)
if (menuBarLoader.preselectMenuItem)
menuItem.__currentIndex = 0
} else {
menuItem.__closeMenu()
}
}
}
Connections {
target: menuItem
onPopupVisibleChanged: {
if (!menuItem.__popupVisible && menuBarLoader.openedMenuIndex === index)
menuBarLoader.openedMenuIndex = -1
}
}
Component.onCompleted: {
menuItem.__visualItem = menuItemLoader
menuItem.__menuBar = menuBarLoader
}
}
}
}
}
}
}
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