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unity8/qml/Shell.qml
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1/*
2 * Copyright (C) 2013 Canonical, Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
17import QtQuick 2.0
18import AccountsService 0.1
19import GSettings 1.0
20import Unity.Application 0.1
21import Ubuntu.Components 0.1
22import Ubuntu.Gestures 0.1
23import Unity.Launcher 0.1
24import LightDM 0.1 as LightDM
25import Powerd 0.1
26import SessionBroadcast 0.1
27import "Dash"
28import "Greeter"
29import "Launcher"
30import "Panel"
31import "Hud"
32import "Components"
33import "Bottombar"
34import "SideStage"
35import "Notifications"
36import Unity.Notifications 1.0 as NotificationBackend
38FocusScope {
39 id: shell
41 // this is only here to select the width / height of the window if not running fullscreen
42 property bool tablet: false
43 width: tablet ? units.gu(160) : applicationArguments.hasGeometry() ? applicationArguments.width() : units.gu(40)
44 height: tablet ? units.gu(100) : applicationArguments.hasGeometry() ? applicationArguments.height() : units.gu(71)
46 property real edgeSize: units.gu(2)
47 property url defaultBackground: Qt.resolvedUrl(shell.width >= units.gu(60) ? "graphics/tablet_background.jpg" : "graphics/phone_background.jpg")
48 property url background
49 readonly property real panelHeight: panel.panelHeight
51 property bool dashShown: dash.shown
52 property bool stageScreenshotsReady: {
53 if (sideStage.shown) {
54 if (mainStage.applications.count > 0) {
55 return mainStage.usingScreenshots && sideStage.usingScreenshots;
56 } else {
57 return sideStage.usingScreenshots;
58 }
59 } else {
60 return mainStage.usingScreenshots;
61 }
62 }
64 property var applicationManager: ApplicationManagerWrapper {}
66 Binding {
67 target: LauncherModel
68 property: "applicationManager"
69 value: ApplicationManager
70 }
72 Component.onCompleted: {
73 Theme.name = "Ubuntu.Components.Themes.SuruGradient"
75 applicationManager.sideStageEnabled = Qt.binding(function() { return sideStage.enabled })
77 // FIXME: if application focused before shell starts, shell draws on top of it only.
78 // We should detect already running applications on shell start and bring them to the front.
79 applicationManager.unfocusCurrentApplication();
80 }
82 readonly property bool applicationFocused: !!applicationManager.mainStageFocusedApplication
83 || !!applicationManager.sideStageFocusedApplication
84 // Used for autopilot testing.
85 readonly property string currentFocusedAppId: ApplicationManager.focusedApplicationId
87 readonly property bool fullscreenMode: {
88 if (greeter.shown || lockscreen.shown) {
89 return false;
90 } else if (mainStage.usingScreenshots) { // Window Manager animating so want to re-evaluate fullscreen mode
91 return mainStage.switchingFromFullscreenToFullscreen;
92 } else if (applicationManager.mainStageFocusedApplication) {
93 return applicationManager.mainStageFocusedApplication.fullscreen;
94 } else {
95 return false;
96 }
97 }
99 function activateApplication(appId, argument) {
100 if (applicationManager) {
101 // For newly started applications, as it takes them time to draw their first frame
102 // we add a delay before we hide the animation screenshots to compensate.
103 var addDelay = !applicationManager.getApplicationFromDesktopFile(appId);
105 var application;
106 application = applicationManager.activateApplication(appId, argument);
107 if (application == null) {
108 return;
109 }
110 if (application.stage == ApplicationInfo.MainStage || !sideStage.enabled) {
111 mainStage.activateApplication(appId, addDelay);
112 } else {
113 sideStage.activateApplication(appId, addDelay);
114 }
115 stages.show();
116 }
117 }
119 GSettings {
120 id: backgroundSettings
121 schema.id: "org.gnome.desktop.background"
122 }
123 property url gSettingsPicture: backgroundSettings.pictureUri != undefined && backgroundSettings.pictureUri.length > 0 ? backgroundSettings.pictureUri : shell.defaultBackground
124 onGSettingsPictureChanged: {
125 shell.background = gSettingsPicture
126 }
128 // This is a dummy image that is needed to determine if the picture url
129 // in backgroundSettings points to a valid picture file.
130 // We can't do this with the real background image because setting a
131 // new source in onStatusChanged triggers a binding loop detection
132 // inside Image, which causes it not to render even though a valid source
133 // would be set. We don't mind about this image staying black and just
134 // use it for verification to populate the source for the real
135 // background image.
136 Image {
137 source: shell.background
138 height: 0
139 width: 0
140 sourceSize.height: 0
141 sourceSize.width: 0
142 onStatusChanged: {
143 if (status == Image.Error && source != shell.defaultBackground) {
144 shell.background = defaultBackground
145 }
146 }
147 }
149 VolumeControl {
150 id: volumeControl
151 }
153 Keys.onVolumeUpPressed: volumeControl.volumeUp()
154 Keys.onVolumeDownPressed: volumeControl.volumeDown()
156 Item {
157 id: underlay
158 objectName: "underlay"
159 anchors.fill: parent
161 // Whether the underlay is fully covered by opaque UI elements.
162 property bool fullyCovered: panel.indicators.fullyOpened && shell.width <= panel.indicatorsMenuWidth
164 readonly property bool applicationRunning: ((mainStage.applications && mainStage.applications.count > 0)
165 || (sideStage.applications && sideStage.applications.count > 0))
167 // Whether the user should see the topmost application surface (if there's one at all).
168 readonly property bool applicationSurfaceShouldBeSeen: applicationRunning && !stages.fullyHidden
169 && !mainStage.usingScreenshots // but want sideStage animating over app surface
173 // NB! Application surfaces are stacked behing the shell one. So they can only be seen by the user
174 // through the translucent parts of the shell surface.
175 visible: !fullyCovered && !applicationSurfaceShouldBeSeen
177 CrossFadeImage {
178 id: backgroundImage
179 objectName: "backgroundImage"
181 anchors.fill: parent
182 source: shell.background
183 fillMode: Image.PreserveAspectCrop
184 }
186 Rectangle {
187 anchors.fill: parent
188 color: "black"
189 opacity: dash.disappearingAnimationProgress
190 }
192 Dash {
193 id: dash
194 objectName: "dash"
196 available: !greeter.shown && !lockscreen.shown
197 hides: [stages, launcher, panel.indicators]
198 shown: disappearingAnimationProgress !== 1.0
199 enabled: disappearingAnimationProgress === 0.0 && edgeDemo.dashEnabled
200 // FIXME: unfocus all applications when going back to the dash
201 onEnabledChanged: {
202 if (enabled) {
203 shell.applicationManager.unfocusCurrentApplication()
204 }
205 }
207 anchors {
208 fill: parent
209 topMargin: panel.panelHeight
210 }
212 contentScale: 1.0 - 0.2 * disappearingAnimationProgress
213 opacity: 1.0 - disappearingAnimationProgress
214 property real disappearingAnimationProgress: {
215 if (greeter.shown) {
216 return greeter.showProgress;
217 } else {
218 return stagesOuterContainer.showProgress;
219 }
220 }
222 // FIXME: only necessary because stagesOuterContainer.showProgress and
223 // greeterRevealer.animatedProgress are not animated
224 Behavior on disappearingAnimationProgress { SmoothedAnimation { velocity: 5 }}
225 }
226 }
228 Item {
229 id: stagesOuterContainer
231 width: parent.width
232 height: parent.height
233 x: launcher.progress
234 Behavior on x {SmoothedAnimation{velocity: 600}}
236 property real showProgress:
237 MathUtils.clamp(1 - (x + stages.x) / shell.width, 0, 1)
239 Showable {
240 id: stages
241 objectName: "stages"
243 x: width
245 property bool fullyShown: shown && x == 0 && parent.x == 0
246 property bool fullyHidden: !shown && x == width
247 available: !greeter.shown
248 hides: [panel.indicators]
249 shown: false
250 opacity: 1.0
251 showAnimation: StandardAnimation { property: "x"; duration: 350; to: 0; easing.type: Easing.OutCubic }
252 hideAnimation: StandardAnimation { property: "x"; duration: 350; to: width; easing.type: Easing.OutCubic }
254 width: parent.width
255 height: parent.height
257 // close the stages when no focused application remains
258 Connections {
259 target: shell.applicationManager
260 onMainStageFocusedApplicationChanged: stages.closeIfNoApplications()
261 onSideStageFocusedApplicationChanged: stages.closeIfNoApplications()
262 ignoreUnknownSignals: true
263 }
265 function closeIfNoApplications() {
266 if (!shell.applicationManager.mainStageFocusedApplication
267 && !shell.applicationManager.sideStageFocusedApplication
268 && shell.applicationManager.mainStageApplications.count == 0
269 && shell.applicationManager.sideStageApplications.count == 0) {
270 stages.hide();
271 }
272 }
274 // show the stages when an application gets the focus
275 Connections {
276 target: shell.applicationManager
277 onMainStageFocusedApplicationChanged: {
278 if (shell.applicationManager.mainStageFocusedApplication) {
279 mainStage.show();
280 stages.show();
281 }
282 }
283 onSideStageFocusedApplicationChanged: {
284 if (shell.applicationManager.sideStageFocusedApplication) {
285 sideStage.show();
286 stages.show();
287 }
288 }
289 ignoreUnknownSignals: true
290 }
292 Stage {
293 id: mainStage
295 anchors.fill: parent
296 fullyShown: stages.fullyShown
297 fullyHidden: stages.fullyHidden
298 shouldUseScreenshots: !fullyShown
299 rightEdgeEnabled: !sideStage.enabled
301 applicationManager: shell.applicationManager
302 rightEdgeDraggingAreaWidth: shell.edgeSize
303 normalApplicationY: shell.panelHeight
305 shown: true
306 function show() {
307 stages.show();
308 }
309 function hide() {
310 }
312 // FIXME: workaround the fact that focusing a main stage application
313 // raises its surface on top of all other surfaces including the ones
314 // that belong to side stage applications.
315 onFocusedApplicationChanged: {
316 if (focusedApplication && sideStage.focusedApplication && sideStage.fullyShown) {
317 shell.applicationManager.focusApplication(sideStage.focusedApplication);
318 }
319 }
320 }
322 SideStage {
323 id: sideStage
325 applicationManager: shell.applicationManager
326 rightEdgeDraggingAreaWidth: shell.edgeSize
327 normalApplicationY: shell.panelHeight
329 onShownChanged: {
330 if (!shown && mainStage.applications.count == 0) {
331 stages.hide();
332 }
333 }
334 // FIXME: when hiding the side stage, refocus the main stage
335 // application so that it goes in front of the side stage
336 // application and hides it
337 onFullyShownChanged: {
338 if (!fullyShown && stages.fullyShown && sideStage.focusedApplication != null) {
339 shell.applicationManager.focusApplication(mainStage.focusedApplication);
340 }
341 }
343 enabled: shell.width >= units.gu(100)
344 visible: enabled
345 fullyShown: stages.fullyShown && shown
346 && sideStage[sideStageRevealer.boundProperty] == sideStageRevealer.openedValue
347 shouldUseScreenshots: !fullyShown || mainStage.usingScreenshots || sideStageRevealer.pressed
349 available: !greeter.shown && !lockscreen.shown && enabled
350 hides: [launcher, panel.indicators]
351 shown: false
352 showAnimation: StandardAnimation { property: "x"; duration: 350; to: sideStageRevealer.openedValue; easing.type: Easing.OutQuint }
353 hideAnimation: StandardAnimation { property: "x"; duration: 350; to: sideStageRevealer.closedValue; easing.type: Easing.OutQuint }
355 width: units.gu(40)
356 height: stages.height
357 handleExpanded: sideStageRevealer.pressed
358 }
360 Revealer {
361 id: sideStageRevealer
363 enabled: mainStage.applications.count > 0 && sideStage.applications.count > 0
364 && sideStage.available
365 direction: Qt.RightToLeft
366 openedValue: parent.width - sideStage.width
367 hintDisplacement: units.gu(3)
368 /* The size of the sidestage handle needs to be bigger than the
369 typical size used for edge detection otherwise it is really
370 hard to grab.
371 */
372 handleSize: sideStage.shown ? units.gu(4) : shell.edgeSize
373 closedValue: parent.width + sideStage.handleSizeCollapsed
374 target: sideStage
375 x: parent.width - width
376 width: sideStage.width + handleSize * 0.7
377 height: sideStage.height
378 orientation: Qt.Horizontal
379 }
381 DragHandle {
382 id: stagesDragHandle
384 anchors.top: parent.top
385 anchors.bottom: parent.bottom
386 anchors.right: parent.left
388 width: shell.edgeSize
389 direction: Direction.Leftwards
390 enabled: greeter.showProgress == 0 && edgeDemo.dashEnabled
391 property bool haveApps: mainStage.applications.count > 0 || sideStage.applications.count > 0
393 maxTotalDragDistance: haveApps ? parent.width : parent.width * 0.7
394 // Make autocompletion impossible when !haveApps
395 edgeDragEvaluator.minDragDistance: haveApps ? maxTotalDragDistance * 0.1 : Number.MAX_VALUE
396 }
397 }
398 }
400 Lockscreen {
401 id: lockscreen
402 objectName: "lockscreen"
404 readonly property int backgroundTopMargin: -panel.panelHeight
406 hides: [launcher, panel.indicators, hud]
407 shown: false
408 enabled: true
409 showAnimation: StandardAnimation { property: "opacity"; to: 1 }
410 hideAnimation: StandardAnimation { property: "opacity"; to: 0 }
411 y: panel.panelHeight
412 x: required ? 0 : - width
413 width: parent.width
414 height: parent.height - panel.panelHeight
415 background: shell.background
416 pinLength: 4
418 onEntered: LightDM.Greeter.respond(passphrase);
419 onCancel: greeter.show()
421 Component.onCompleted: {
422 if (LightDM.Users.count == 1) {
423 LightDM.Greeter.authenticate(LightDM.Users.data(0, LightDM.UserRoles.NameRole))
424 }
425 }
426 }
428 Connections {
429 target: LightDM.Greeter
431 onShowPrompt: {
432 if (LightDM.Users.count == 1) {
433 // TODO: There's no better way for now to determine if its a PIN or a passphrase.
434 if (text == "PIN") {
435 lockscreen.alphaNumeric = false
436 } else {
437 lockscreen.alphaNumeric = true
438 }
439 lockscreen.placeholderText = i18n.tr("Please enter %1").arg(text);
440 lockscreen.show();
441 }
442 }
444 onAuthenticationComplete: {
445 if (LightDM.Greeter.promptless) {
446 return;
447 }
448 if (LightDM.Greeter.authenticated) {
449 lockscreen.hide();
450 } else {
451 lockscreen.clear(true);
452 }
453 }
454 }
456 Greeter {
457 id: greeter
458 objectName: "greeter"
460 available: true
461 hides: [launcher, panel.indicators, hud]
462 shown: true
464 defaultBackground: shell.background
466 y: panel.panelHeight
467 width: parent.width
468 height: parent.height - panel.panelHeight
470 dragHandleWidth: shell.edgeSize
472 property var previousMainApp: null
473 property var previousSideApp: null
475 function removeApplicationFocus() {
476 greeter.previousMainApp = applicationManager.mainStageFocusedApplication;
477 greeter.previousSideApp = applicationManager.sideStageFocusedApplication;
478 applicationManager.unfocusCurrentApplication();
479 }
481 function restoreApplicationFocus() {
482 if (greeter.previousMainApp) {
483 applicationManager.focusApplication(greeter.previousMainApp);
484 greeter.previousMainApp = null;
485 }
486 if (greeter.previousSideApp) {
487 applicationManager.focusApplication(greeter.previousSideApp);
488 greeter.previousSideApp = null;
489 }
490 }
492 onShownChanged: {
493 if (shown) {
494 lockscreen.reset();
495 // If there is only one user, we start authenticating with that one here.
496 // If there are more users, the Greeter will handle that
497 if (LightDM.Users.count == 1) {
498 LightDM.Greeter.authenticate(LightDM.Users.data(0, LightDM.UserRoles.NameRole));
499 }
500 greeter.forceActiveFocus();
501 removeApplicationFocus();
502 } else {
503 restoreApplicationFocus();
504 }
505 }
507 onUnlocked: greeter.hide()
508 onSelected: {
509 // Update launcher items for new user
510 var user = LightDM.Users.data(uid, LightDM.UserRoles.NameRole);
511 AccountsService.user = user;
512 LauncherModel.setUser(user);
513 }
515 onLeftTeaserPressedChanged: {
516 if (leftTeaserPressed) {
517 launcher.tease();
518 }
519 }
521 Connections {
522 target: applicationManager
523 ignoreUnknownSignals: true
524 // If any app is focused when greeter is open, it's due to a user action
525 // like a snap decision (say, an incoming call).
526 // TODO: these should be protected to only unlock for certain applications / certain usecases
527 // potentially only in connection with a notification.
528 onMainStageFocusedApplicationChanged: {
529 if (greeter.shown && applicationManager.mainStageFocusedApplication) {
530 greeter.previousMainApp = null // make way for new focused app
531 greeter.previousSideApp = null
532 greeter.hide()
533 }
534 }
535 onSideStageFocusedApplicationChanged: {
536 if (greeter.shown && applicationManager.sideStageFocusedApplication) {
537 greeter.previousMainApp = null // make way for new focused app
538 greeter.previousSideApp = null
539 greeter.hide()
540 }
541 }
542 }
543 }
545 InputFilterArea {
546 anchors.fill: parent
547 blockInput: !applicationFocused || greeter.shown || lockscreen.shown || launcher.shown
548 || panel.indicators.shown || hud.shown
549 }
551 Connections {
552 id: powerConnection
553 target: Powerd
555 onDisplayPowerStateChange: {
556 // We ignore any display-off signals when the proximity sensor
557 // is active. This usually indicates something like a phone call.
558 if (status == Powerd.Off && (flags & Powerd.UseProximity) == 0) {
559 greeter.showNow();
560 }
562 // No reason to chew demo CPU when user isn't watching
563 if (status == Powerd.Off) {
564 edgeDemo.paused = true;
565 } else if (status == Powerd.On) {
566 edgeDemo.paused = false;
567 }
568 }
569 }
571 function showHome() {
572 var animate = !greeter.shown && !stages.shown
573 greeter.hide()
574 dash.setCurrentScope("home.scope", animate, false)
575 stages.hide()
576 }
578 function hideIndicatorMenu(delay) {
579 panel.hideIndicatorMenu(delay);
580 }
582 Item {
583 id: overlay
585 anchors.fill: parent
587 Panel {
588 id: panel
589 anchors.fill: parent //because this draws indicator menus
590 indicatorsMenuWidth: parent.width > units.gu(60) ? units.gu(40) : parent.width
591 indicators {
592 hides: [launcher]
593 available: edgeDemo.panelEnabled
594 contentEnabled: edgeDemo.panelContentEnabled
595 }
596 fullscreenMode: shell.fullscreenMode
597 searchVisible: !greeter.shown && !lockscreen.shown && dash.shown && dash.searchable
599 InputFilterArea {
600 anchors {
601 top: parent.top
602 left: parent.left
603 right: parent.right
604 }
605 height: (panel.fullscreenMode) ? shell.edgeSize : panel.panelHeight
606 blockInput: true
607 }
608 }
610 Hud {
611 id: hud
613 width: parent.width > units.gu(60) ? units.gu(40) : parent.width
614 height: parent.height
616 available: !greeter.shown && !panel.indicators.shown && !lockscreen.shown && edgeDemo.dashEnabled
617 shown: false
618 showAnimation: StandardAnimation { property: "y"; duration: hud.showableAnimationDuration; to: 0; easing.type: Easing.Linear }
619 hideAnimation: StandardAnimation { property: "y"; duration: hud.showableAnimationDuration; to: hudRevealer.closedValue; easing.type: Easing.Linear }
621 Connections {
622 target: shell.applicationManager
623 onMainStageFocusedApplicationChanged: hud.hide()
624 onSideStageFocusedApplicationChanged: hud.hide()
625 }
626 }
628 Revealer {
629 id: hudRevealer
631 enabled: hud.shown
632 width: hud.width
633 anchors.left: hud.left
634 height: parent.height
635 target: hud.revealerTarget
636 closedValue: height
637 openedValue: 0
638 direction: Qt.RightToLeft
639 orientation: Qt.Vertical
640 handleSize: hud.handleHeight
641 onCloseClicked: target.hide()
642 }
644 Bottombar {
645 id: bottombar
646 theHud: hud
647 anchors.fill: parent
648 enabled: hud.available
649 applicationIsOnForeground: applicationFocused
650 }
652 InputFilterArea {
653 blockInput: launcher.shown
654 anchors {
655 top: parent.top
656 bottom: parent.bottom
657 left: parent.left
658 }
659 width: launcher.width
660 }
662 Launcher {
663 id: launcher
665 readonly property bool dashSwipe: progress > 0
667 anchors.top: parent.top
668 anchors.bottom: parent.bottom
669 width: parent.width
670 dragAreaWidth: shell.edgeSize
671 available: (!greeter.shown || greeter.narrowMode) && edgeDemo.launcherEnabled
673 onShowDashHome: {
674 if (edgeDemo.running)
675 return;
677 showHome()
678 }
679 onDash: {
680 if (stages.shown) {
681 stages.hide();
682 launcher.hide();
683 }
684 }
685 onDashSwipeChanged: if (dashSwipe && stages.shown) dash.setCurrentScope("applications.scope", false, true)
686 onLauncherApplicationSelected:{
687 if (edgeDemo.running)
688 return;
690 greeter.hide()
691 shell.activateApplication(appId)
692 }
693 onShownChanged: {
694 if (shown) {
695 panel.indicators.hide()
696 hud.hide()
697 bottombar.hide()
698 }
699 }
700 }
702 Notifications {
703 id: notifications
705 model: NotificationBackend.Model
706 margin: units.gu(1)
708 anchors {
709 top: parent.top
710 right: parent.right
711 bottom: parent.bottom
712 topMargin: panel.panelHeight
713 }
714 states: [
715 State {
716 name: "narrow"
717 when: overlay.width <= units.gu(60)
718 AnchorChanges { target: notifications; anchors.left: parent.left }
719 },
720 State {
721 name: "wide"
722 when: overlay.width > units.gu(60)
723 AnchorChanges { target: notifications; anchors.left: undefined }
724 PropertyChanges { target: notifications; width: units.gu(38) }
725 }
726 ]
728 InputFilterArea {
729 anchors { left: parent.left; right: parent.right }
730 height: parent.contentHeight
731 blockInput: height > 0
732 }
733 }
734 }
736 focus: true
737 onFocusChanged: if (!focus) forceActiveFocus();
739 InputFilterArea {
740 anchors {
741 top: parent.top
742 bottom: parent.bottom
743 left: parent.left
744 }
745 width: shell.edgeSize
746 blockInput: true
747 }
749 InputFilterArea {
750 anchors {
751 top: parent.top
752 bottom: parent.bottom
753 right: parent.right
754 }
755 width: shell.edgeSize
756 blockInput: true
757 }
759 Binding {
760 target: i18n
761 property: "domain"
762 value: "unity8"
763 }
765 OSKController {
766 anchors.topMargin: panel.panelHeight
767 anchors.fill: parent // as needs to know the geometry of the shell
768 }
770 //FIXME: This should be handled in the input stack, keyboard shouldnt propagate
771 MouseArea {
772 anchors.bottom: parent.bottom
773 anchors.left: parent.left
774 anchors.right: parent.right
775 height: shell.applicationManager ? shell.applicationManager.keyboardHeight : 0
777 enabled: shell.applicationManager && shell.applicationManager.keyboardVisible
778 }
780 Label {
781 anchors.centerIn: parent
782 visible: applicationManager.fake
783 text: "EARLY ALPHA\nNOT READY FOR USE"
784 color: "lightgrey"
785 opacity: 0.2
786 font.weight: Font.Black
787 horizontalAlignment: Text.AlignHCenter
788 verticalAlignment: Text.AlignVCenter
789 fontSizeMode: Text.Fit
790 rotation: -45
791 scale: Math.min(parent.width, parent.height) / width
792 }
794 EdgeDemo {
795 id: edgeDemo
796 greeter: greeter
797 launcher: launcher
798 dash: dash
799 indicators: panel.indicators
800 underlay: underlay
801 }
803 Connections {
804 target: SessionBroadcast
805 onShowHome: showHome()
806 }