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Gabriel de Dietrich authored
Used the same pattern as earlier with Menu. Change-Id: Id7a2d791516ba6d827e90c3b3e11f97dd326ccd5 Reviewed-by:J-P Nurmi <jpnurmi@digia.com>
a238a5ad
/******************************************************************************** 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 2.0import QtQuick.Controls 1.0import QtQuick.Controls.Styles 1.0import "Styles/Settings.js" as Settings/*! \qmltype Menu \inqmlmodule QtQuick.Controls 1.0 \ingroup applicationwindow \brief Menu provides a menu component for use in menu bars, context menus, and other popup menus. \code Menu { text: "Edit" MenuItem { text: "Cut" shortcut: "Ctrl+X" onTriggered: ... } MenuItem { text: "Copy" shortcut: "Ctrl+C" onTriggered: ... } MenuItem { text: "Paste" shortcut: "Ctrl+V"7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
onTriggered: ...
}
MenuSeparator { }
Menu {
text: "More Stuff"
MenuItem {
text: "Do Nothing"
}
}
}
\endcode
Note that some properties, like \c enabled, \c text, or \c iconSource, only make sense
depending on the context in which the menu is being used. The three main use cases are
as a \l MenuBar top-level menu, as a submenu inside another menu, or as a standalone,
or context, menu.
\sa MenuBar, MenuItem, MenuSeparator
*/
MenuPrivate {
id: root
/*! \internal */
property Component style: Qt.createComponent(Settings.THEME_PATH + "/MenuStyle.qml", root)
/*! \internal */
property var __menuBar: null
/*! \internal */
property int __currentIndex: -1
/*! \internal */
on__MenuClosed: __currentIndex = -1
/*! \internal */
__contentItem: Loader {
sourceComponent: __menuComponent
active: !root.__isNative && root.__popupVisible
focus: true
}
/*! \internal */
property Component __menuComponent: Loader {
id: menuFrameLoader
property Style __style: styleLoader.item
property Component menuItemStyle: __style ? __style.menuItem : null
property var control: root
property alias contentWidth: column.width
property alias contentHeight: column.height
property int subMenuXPos: width + (item && item["subMenuOverlap"] || 0)
visible: status === Loader.Ready
sourceComponent: __style ? __style.frame : undefined
Loader {
id: styleLoader
active: !root.isNative
sourceComponent: root.style
onStatusChanged: {
if (status === Loader.Error)
console.error("Failed to load Style for", root)
}
}
focus: true
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Keys.forwardTo: __menuBar ? [__menuBar] : []
Keys.onEscapePressed: root.__dismissMenu()
Keys.onDownPressed: {
if (root.__currentIndex < 0) {
root.__currentIndex = 0
return
}
for (var i = root.__currentIndex + 1;
i < root.items.length && !canBeHovered(i); i++)
;
}
Keys.onUpPressed: {
for (var i = root.__currentIndex - 1;
i >= 0 && !canBeHovered(i); i--)
;
}
function canBeHovered(index) {
var item = itemsRepeater.itemAt(index)
if (!item["isSeparator"] && item.enabled) {
root.__currentIndex = index
return true
}
return false
}
Keys.onLeftPressed: {
if (root.__parentMenu)
__closeMenu()
}
Keys.onRightPressed: {
var item = itemsRepeater.itemAt(root.__currentIndex)
if (item && item.hasSubmenu) {
item.showSubMenu(true)
item.menuItem.__currentIndex = 0
}
}
Keys.onSpacePressed: menuFrameLoader.triggerAndDismiss()
Keys.onReturnPressed: menuFrameLoader.triggerAndDismiss()
Keys.onEnterPressed: menuFrameLoader.triggerAndDismiss()
function triggerAndDismiss() {
var item = itemsRepeater.itemAt(root.__currentIndex)
if (item && !item.isSeparator) {
root.__dismissMenu()
if (!item.hasSubmenu)
item.menuItem.trigger()
}
}
Binding {
// Make sure the styled frame is in the background
target: menuFrameLoader.item
property: "z"
value: menuMouseArea.z - 1
}
MouseArea {
id: menuMouseArea
anchors.fill: parent
hoverEnabled: true
acceptedButtons: Qt.AllButtons
onPositionChanged: updateCurrentItem(mouse)
onReleased: menuFrameLoader.triggerAndDismiss()
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property Item currentItem: null
function updateCurrentItem(mouse) {
var pos = mapToItem(column, mouse.x, mouse.y)
if (!currentItem || !currentItem.contains(Qt.point(pos.x - currentItem.x, pos.y - currentItem.y))) {
if (currentItem && !pressed && currentItem.hasSubmenu)
currentItem.closeSubMenu()
currentItem = column.childAt(pos.x, pos.y)
if (currentItem) {
root.__currentIndex = currentItem.menuItemIndex
if (currentItem.hasSubmenu && !currentItem.menuItem.__popupVisible)
currentItem.showSubMenu(false)
} else {
root.__currentIndex = -1
}
}
}
// Each menu item has its own mouse area, and for events to be
// propagated to the menu mouse area, they need to be embedded.
Column {
id: column
Repeater {
id: itemsRepeater
model: root.items
Loader {
id: menuItemLoader
property var menuItem: modelData
property bool isSeparator: menuItem ? !menuItem.hasOwnProperty("text") : false
property bool hasSubmenu: menuItem ? !!menuItem["items"] : false
property bool selected: !isSeparator && root.__currentIndex === index
property int menuItemIndex: index
sourceComponent: menuFrameLoader.menuItemStyle
enabled: visible && !isSeparator && !!menuItem && menuItem.enabled
visible: menuItem.visible
active: visible
function showSubMenu(immediately) {
if (immediately) {
if (root.__currentIndex === menuItemIndex)
menuItem.__popup(menuFrameLoader.subMenuXPos, 0, -1)
} else {
openMenuTimer.start()
}
}
Timer {
id: openMenuTimer
interval: 50
onTriggered: menuItemLoader.showSubMenu(true)
}
function closeSubMenu() { closeMenuTimer.start() }
Timer {
id: closeMenuTimer
interval: 1
onTriggered: {
if (root.__currentIndex !== menuItemIndex)
menuItem.__closeMenu()
}
}
Component.onCompleted: menuItem.__visualItem = menuItemLoader
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}
}
onWidthChanged: {
for (var i = 0; i < children.length; i++) {
var item = children[i]["item"]
if (item)
item.implicitWidth = Math.max(root.__minimumWidth, implicitWidth)
}
}
}
}
}
}