moment/src/gui/Base/HMenu.qml
2021-03-03 17:14:55 -04:00

77 lines
2.1 KiB
QML

// Copyright Mirage authors & contributors <https://github.com/mirukana/mirage>
// SPDX-License-Identifier: LGPL-3.0-or-later
import QtQuick 2.12
import QtQuick.Controls 2.12
import CppUtils 0.1
Menu {
id: menu
property var previouslyFocused: null
// MenuItems that open popups (or other elements taking focus when opened)
// should set this to null. It will be reset to previouslyFocus when
// the Menu is closed and opened again.
property Item focusOnClosed: previouslyFocused
readonly property string uuid: CppUtils.uuid()
modal: true
dim: false
padding: theme.controls.menu.borderWidth
implicitWidth: {
let result = 0
for (let i = 0; i < count; ++i) {
const item = itemAt(i)
if (! item.visible) continue
result = Math.max(item.implicitWidth, result)
}
return Math.min(result + menu.padding * 2, window.width)
}
background: Rectangle {
color: theme.controls.menu.background
border.color: theme.controls.menu.border
border.width: theme.controls.menu.borderWidth
radius: theme.radius
// Workaround for this: when opening menu at mouse position,
// cursor will be in menu's border which doesn't handle clicks
TapHandler {
gesturePolicy: TapHandler.ReleaseWithinBounds
onTapped: eventPoint => {
const pos = eventPoint.position
const border = parent.border.width
if (pos.x <= border || pos.x >= parent.width - border)
menu.close()
if (pos.y <= border || pos.y >= parent.height - border)
menu.close()
}
}
}
onAboutToShow: {
previouslyFocused = window.activeFocusItem
focusOnClosed = Qt.binding(() => previouslyFocused)
}
onOpened: {
window.visibleMenus[uuid] = this
window.visibleMenusChanged()
}
onClosed: {
if (focusOnClosed) focusOnClosed.forceActiveFocus()
delete window.visibleMenus[uuid]
window.visibleMenusChanged()
}
Component.onDestruction: closed()
}