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/*
* Copyright (C) 2015 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import QtQuick 2.15
import Lomiri.Components 1.3
import Lomiri.Components.ListItems 1.3
import "." 0.1
import "../Components"
Item {
id: root
objectName: "sessionsList"
signal sessionSelected(string sessionKey)
signal showLoginList()
// Sets the position of the background highlight
function updateHighlight(session) {
sessionsList.currentIndex = getIndexOfSession(session);
sessionsList.currentItem.initialSession = session;
}
function getIndexOfSession(session) {
for (var i = 0; i < sessionsList.model.count; i++) {
var key = sessionsList.model.get(i).key;
if (key === session) {
return i;
}
}
return 0; // Just choose the first session
}
function currentKey() {
var session = LightDMService.sessions.data(
sessionsList.currentIndex, LightDMService.sessionRoles.KeyRole)
return session;
}
Keys.onEnterPressed: {
sessionSelected(currentKey());
showLoginList();
event.accepted = true;
}
Keys.onEscapePressed: {
showLoginList();
event.accepted = true;
}
Keys.onReturnPressed: {
sessionSelected(currentKey());
showLoginList();
event.accepted = true;
}
Keys.onDownPressed: {
if (sessionsList.currentIndex < sessionsList.model.count - 1)
sessionsList.currentIndex++;
event.accepted = true;
}
Keys.onUpPressed: {
if (sessionsList.currentIndex > 0)
sessionsList.currentIndex--;
event.accepted = true;
}
LoginAreaContainer {
readonly property real margins: sessionsList.anchors.margins
readonly property real preferredHeight: {
if (sessionsList.currentItem) {
return (sessionsList.currentItem.height *
(1 + sessionsList.model.count)) + 2 * margins
} else {
return sessionsList.headerItem.height + 2 * margins
}
}
height: preferredHeight < parent.height ? preferredHeight : parent.height - units.gu(4)
width: parent.width
anchors {
left: parent.left
right: parent.right
verticalCenter: parent.verticalCenter
}
LomiriListView {
id: sessionsList
anchors {
top: parent.top
left: parent.left
right: parent.right
margins: units.gu(2)
}
clip: true
height: parent.height - units.gu(2.5)
boundsBehavior: Flickable.StopAtBounds
model: LightDMService.sessions
header: ListItemLayout {
id: header
padding.leading: 0 // handled by parent's margins
title.color: theme.palette.normal.raisedSecondaryText
title.font.pixelSize: units.gu(2.1)
title.text: i18n.tr("Select desktop environment")
Icon {
id: icon
width: units.gu(3)
color: theme.palette.normal.raisedSecondaryText
SlotsLayout.position: SlotsLayout.Leading
name: "go-previous"
MouseArea {
anchors.fill: parent
onClicked: showLoginList()
}
}
}
headerPositioning: ListView.OverlayHeader
// The highlighting is all self-managed, so account for that
highlightFollowsCurrentItem: false
highlight: QtObject {}
delegate: ListItem {
id: delegate
objectName: "sessionDelegate" + index
property string initialSession: ""
divider.visible: false
visible: y > sessionsList.headerItem.y
+ sessionsList.headerItem.height
- sessionsList.anchors.margins
MouseArea {
anchors.fill: parent
onClicked: {
sessionsList.currentIndex = index
sessionSelected(key)
showLoginList()
}
}
Rectangle {
id: backgroundHighlight
height: sessionsList.currentItem.height
width: sessionsList.currentItem.width
color: theme.palette.normal.selection
visible: initialSession === key && !!key
}
Rectangle {
height: parent.height
width: parent.width
color: "transparent"
border {
color: theme.palette.normal.focus
width: units.gu(0.2)
}
visible: index === sessionsList.currentIndex
}
ListItemLayout {
id: layout
readonly property color itemColor: theme.palette.normal.raisedSecondaryText
SessionIcon {
id: sessionIcon
source: icon_url
SlotsLayout.position: SlotsLayout.Leading
color: parent.itemColor
}
title.text: display
title.color: itemColor
}
}
}
}
}
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