Unity 8
LauncherPanel.qml
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  */
16 
17 import QtQuick 2.4
18 import Ubuntu.Components 1.3
19 import Unity.Launcher 0.1
20 import Ubuntu.Components.Popups 1.3
21 import "../Components/ListItems"
22 import "../Components/"
23 
24 Rectangle {
25  id: root
26  color: "#F2111111"
27 
28  rotation: inverted ? 180 : 0
29 
30  property var model
31  property bool inverted: false
32  property bool dragging: false
33  property bool moving: launcherListView.moving || launcherListView.flicking
34  property bool preventHiding: moving || dndArea.draggedIndex >= 0 || quickList.state === "open" || dndArea.pressed
35  || mouseEventEater.containsMouse || dashItem.hovered
36  property int highlightIndex: -2
37  property bool shortcutHintsShown: false
38 
39  signal applicationSelected(string appId)
40  signal showDashHome()
41  signal kbdNavigationCancelled()
42 
43  onXChanged: {
44  if (quickList.state == "open") {
45  quickList.state = ""
46  }
47  }
48 
49  function highlightNext() {
50  highlightIndex++;
51  if (highlightIndex >= launcherListView.count) {
52  highlightIndex = -1;
53  }
54  launcherListView.moveToIndex(Math.max(highlightIndex, 0));
55  }
56  function highlightPrevious() {
57  highlightIndex--;
58  if (highlightIndex <= -2) {
59  highlightIndex = launcherListView.count - 1;
60  }
61  launcherListView.moveToIndex(Math.max(highlightIndex, 0));
62  }
63  function openQuicklist(index) {
64  quickList.open(index);
65  quickList.selectedIndex = 0;
66  quickList.focus = true;
67  }
68 
69  MouseArea {
70  id: mouseEventEater
71  anchors.fill: parent
72  hoverEnabled: true
73  }
74 
75  Column {
76  id: mainColumn
77  anchors {
78  fill: parent
79  }
80 
81  Rectangle {
82  objectName: "buttonShowDashHome"
83  width: parent.width
84  height: width * .9
85  color: UbuntuColors.orange
86  readonly property bool highlighted: root.highlightIndex == -1;
87 
88  Image {
89  objectName: "dashItem"
90  width: parent.width * .6
91  height: width
92  anchors.centerIn: parent
93  source: "graphics/home.png"
94  rotation: root.rotation
95  }
96  AbstractButton {
97  id: dashItem
98  anchors.fill: parent
99  activeFocusOnPress: false
100  onClicked: root.showDashHome()
101  }
102  Rectangle {
103  objectName: "bfbFocusHighlight"
104  anchors.fill: parent
105  border.color: "white"
106  border.width: units.dp(1)
107  color: "transparent"
108  visible: parent.highlighted
109  }
110  }
111 
112  Item {
113  anchors.left: parent.left
114  anchors.right: parent.right
115  height: parent.height - dashItem.height - parent.spacing*2
116 
117  Item {
118  id: launcherListViewItem
119  anchors.fill: parent
120  clip: true
121 
122  ListView {
123  id: launcherListView
124  objectName: "launcherListView"
125  anchors {
126  fill: parent
127  topMargin: -extensionSize + width * .15
128  bottomMargin: -extensionSize + width * .15
129  }
130  topMargin: extensionSize
131  bottomMargin: extensionSize
132  height: parent.height - dashItem.height - parent.spacing*2
133  model: root.model
134  cacheBuffer: itemHeight * 3
135  snapMode: interactive ? ListView.SnapToItem : ListView.NoSnap
136  highlightRangeMode: ListView.ApplyRange
137  preferredHighlightBegin: (height - itemHeight) / 2
138  preferredHighlightEnd: (height + itemHeight) / 2
139 
140  // for the single peeking icon, when alert-state is set on delegate
141  property int peekingIndex: -1
142 
143  // The size of the area the ListView is extended to make sure items are not
144  // destroyed when dragging them outside the list. This needs to be at least
145  // itemHeight to prevent folded items from disappearing and DragArea limits
146  // need to be smaller than this size to avoid breakage.
147  property int extensionSize: 0
148 
149  // Setting extensionSize after the list has been populated because it has
150  // the potential to mess up with the intial positioning in combination
151  // with snapping to the center of the list. This catches all the cases
152  // where the item would be outside the list for more than itemHeight / 2.
153  // For the rest, give it a flick to scroll to the beginning. Note that
154  // the flicking alone isn't enough because in some cases it's not strong
155  // enough to overcome the snapping.
156  // https://bugreports.qt-project.org/browse/QTBUG-32251
157  Component.onCompleted: {
158  extensionSize = itemHeight * 3
159  flick(0, clickFlickSpeed)
160  }
161 
162  // The height of the area where icons start getting folded
163  property int foldingStartHeight: itemHeight
164  // The height of the area where the items reach the final folding angle
165  property int foldingStopHeight: foldingStartHeight - itemHeight - spacing
166  property int itemWidth: width * .75
167  property int itemHeight: itemWidth * 15 / 16 + units.gu(1)
168  property int clickFlickSpeed: units.gu(60)
169  property int draggedIndex: dndArea.draggedIndex
170  property real realContentY: contentY - originY + topMargin
171  property int realItemHeight: itemHeight + spacing
172 
173  // In case the start dragging transition is running, we need to delay the
174  // move because the displaced transition would clash with it and cause items
175  // to be moved to wrong places
176  property bool draggingTransitionRunning: false
177  property int scheduledMoveTo: -1
178 
179  UbuntuNumberAnimation {
180  id: snapToBottomAnimation
181  target: launcherListView
182  property: "contentY"
183  to: launcherListView.originY + launcherListView.topMargin
184  }
185 
186  UbuntuNumberAnimation {
187  id: snapToTopAnimation
188  target: launcherListView
189  property: "contentY"
190  to: launcherListView.contentHeight - launcherListView.height + launcherListView.originY - launcherListView.topMargin
191  }
192 
193  UbuntuNumberAnimation {
194  id: moveAnimation
195  objectName: "moveAnimation"
196  target: launcherListView
197  property: "contentY"
198  function moveTo(contentY) {
199  from = launcherListView.contentY;
200  to = contentY;
201  restart();
202  }
203  }
204  function moveToIndex(index) {
205  var totalItemHeight = launcherListView.itemHeight + launcherListView.spacing
206  var itemPosition = index * totalItemHeight;
207  var height = launcherListView.height - launcherListView.topMargin - launcherListView.bottomMargin
208  var distanceToEnd = index == 0 || index == launcherListView.count - 1 ? 0 : totalItemHeight
209  if (itemPosition + totalItemHeight + distanceToEnd > launcherListView.contentY + launcherListView.originY + launcherListView.topMargin + height) {
210  moveAnimation.moveTo(itemPosition + launcherListView.itemHeight - launcherListView.topMargin - height + distanceToEnd - launcherListView.originY);
211  } else if (itemPosition - distanceToEnd < launcherListView.contentY - launcherListView.originY + launcherListView.topMargin) {
212  moveAnimation.moveTo(itemPosition - distanceToEnd - launcherListView.topMargin + launcherListView.originY);
213  }
214  }
215 
216  displaced: Transition {
217  NumberAnimation { properties: "x,y"; duration: UbuntuAnimation.FastDuration; easing: UbuntuAnimation.StandardEasing }
218  }
219 
220  delegate: FoldingLauncherDelegate {
221  id: launcherDelegate
222  objectName: "launcherDelegate" + index
223  // We need the appId in the delegate in order to find
224  // the right app when running autopilot tests for
225  // multiple apps.
226  readonly property string appId: model.appId
227  itemIndex: index
228  itemHeight: launcherListView.itemHeight
229  itemWidth: launcherListView.itemWidth
230  width: parent.width
231  height: itemHeight
232  iconName: model.icon
233  count: model.count
234  countVisible: model.countVisible
235  progress: model.progress
236  itemRunning: model.running
237  itemFocused: model.focused
238  inverted: root.inverted
239  alerting: model.alerting
240  highlighted: root.highlightIndex == index
241  shortcutHintShown: root.shortcutHintsShown && index <= 9
242  z: -Math.abs(offset)
243  maxAngle: 55
244  property bool dragging: false
245 
246  SequentialAnimation {
247  id: peekingAnimation
248 
249  // revealing
250  PropertyAction { target: root; property: "visible"; value: (launcher.visibleWidth === 0) ? 1 : 0 }
251  PropertyAction { target: launcherListViewItem; property: "clip"; value: 0 }
252 
253  UbuntuNumberAnimation {
254  target: launcherDelegate
255  alwaysRunToEnd: true
256  loops: 1
257  properties: "x"
258  to: (units.gu(.5) + launcherListView.width * .5) * (root.inverted ? -1 : 1)
259  duration: UbuntuAnimation.BriskDuration
260  }
261 
262  // hiding
263  UbuntuNumberAnimation {
264  target: launcherDelegate
265  alwaysRunToEnd: true
266  loops: 1
267  properties: "x"
268  to: 0
269  duration: UbuntuAnimation.BriskDuration
270  }
271 
272  PropertyAction { target: launcherListViewItem; property: "clip"; value: 1 }
273  PropertyAction { target: root; property: "visible"; value: (launcher.visibleWidth === 0) ? 0 : 1 }
274  }
275 
276  onAlertingChanged: {
277  if(alerting) {
278  if (!dragging && (launcherListView.peekingIndex === -1 || launcher.visibleWidth > 0)) {
279  launcherListView.moveToIndex(index)
280  if (!dragging && launcher.state !== "visible") {
281  peekingAnimation.start()
282  }
283  }
284 
285  if (launcherListView.peekingIndex === -1) {
286  launcherListView.peekingIndex = index
287  }
288  } else {
289  if (launcherListView.peekingIndex === index) {
290  launcherListView.peekingIndex = -1
291  }
292  }
293  }
294 
295  ThinDivider {
296  id: dropIndicator
297  objectName: "dropIndicator"
298  anchors.centerIn: parent
299  width: parent.width + mainColumn.anchors.leftMargin + mainColumn.anchors.rightMargin
300  opacity: 0
301  source: "graphics/divider-line.png"
302  }
303 
304  states: [
305  State {
306  name: "selected"
307  when: dndArea.selectedItem === launcherDelegate && fakeDragItem.visible && !dragging
308  PropertyChanges {
309  target: launcherDelegate
310  itemOpacity: 0
311  }
312  },
313  State {
314  name: "dragging"
315  when: dragging
316  PropertyChanges {
317  target: launcherDelegate
318  height: units.gu(1)
319  itemOpacity: 0
320  }
321  PropertyChanges {
322  target: dropIndicator
323  opacity: 1
324  }
325  },
326  State {
327  name: "expanded"
328  when: dndArea.draggedIndex >= 0 && (dndArea.preDragging || dndArea.dragging || dndArea.postDragging) && dndArea.draggedIndex != index
329  PropertyChanges {
330  target: launcherDelegate
331  angle: 0
332  offset: 0
333  itemOpacity: 0.6
334  }
335  }
336  ]
337 
338  transitions: [
339  Transition {
340  from: ""
341  to: "selected"
342  NumberAnimation { properties: "itemOpacity"; duration: UbuntuAnimation.FastDuration }
343  },
344  Transition {
345  from: "*"
346  to: "expanded"
347  NumberAnimation { properties: "itemOpacity"; duration: UbuntuAnimation.FastDuration }
348  UbuntuNumberAnimation { properties: "angle,offset" }
349  },
350  Transition {
351  from: "expanded"
352  to: ""
353  NumberAnimation { properties: "itemOpacity"; duration: UbuntuAnimation.BriskDuration }
354  UbuntuNumberAnimation { properties: "angle,offset" }
355  },
356  Transition {
357  id: draggingTransition
358  from: "selected"
359  to: "dragging"
360  SequentialAnimation {
361  PropertyAction { target: launcherListView; property: "draggingTransitionRunning"; value: true }
362  ParallelAnimation {
363  UbuntuNumberAnimation { properties: "height" }
364  NumberAnimation { target: dropIndicator; properties: "opacity"; duration: UbuntuAnimation.FastDuration }
365  }
366  ScriptAction {
367  script: {
368  if (launcherListView.scheduledMoveTo > -1) {
369  launcherListView.model.move(dndArea.draggedIndex, launcherListView.scheduledMoveTo)
370  dndArea.draggedIndex = launcherListView.scheduledMoveTo
371  launcherListView.scheduledMoveTo = -1
372  }
373  }
374  }
375  PropertyAction { target: launcherListView; property: "draggingTransitionRunning"; value: false }
376  }
377  },
378  Transition {
379  from: "dragging"
380  to: "*"
381  NumberAnimation { target: dropIndicator; properties: "opacity"; duration: UbuntuAnimation.SnapDuration }
382  NumberAnimation { properties: "itemOpacity"; duration: UbuntuAnimation.BriskDuration }
383  SequentialAnimation {
384  ScriptAction { script: if (index == launcherListView.count-1) launcherListView.flick(0, -launcherListView.clickFlickSpeed); }
385  UbuntuNumberAnimation { properties: "height" }
386  ScriptAction { script: if (index == launcherListView.count-1) launcherListView.flick(0, -launcherListView.clickFlickSpeed); }
387  PropertyAction { target: dndArea; property: "postDragging"; value: false }
388  PropertyAction { target: dndArea; property: "draggedIndex"; value: -1 }
389  }
390  }
391  ]
392  }
393 
394  MouseArea {
395  id: dndArea
396  objectName: "dndArea"
397  acceptedButtons: Qt.LeftButton | Qt.RightButton
398  anchors {
399  fill: parent
400  topMargin: launcherListView.topMargin
401  bottomMargin: launcherListView.bottomMargin
402  }
403  drag.minimumY: -launcherListView.topMargin
404  drag.maximumY: height + launcherListView.bottomMargin
405 
406  property int draggedIndex: -1
407  property var selectedItem
408  property bool preDragging: false
409  property bool dragging: !!selectedItem && selectedItem.dragging
410  property bool postDragging: false
411  property int startX
412  property int startY
413 
414  onPressed: {
415  processPress(mouse);
416  }
417 
418  function processPress(mouse) {
419  selectedItem = launcherListView.itemAt(mouse.x, mouse.y + launcherListView.realContentY)
420  }
421 
422  onClicked: {
423  var index = Math.floor((mouseY + launcherListView.realContentY) / launcherListView.realItemHeight);
424  var clickedItem = launcherListView.itemAt(mouseX, mouseY + launcherListView.realContentY)
425 
426  // Check if we actually clicked an item or only at the spacing in between
427  if (clickedItem === null) {
428  return;
429  }
430 
431  if (mouse.button & Qt.RightButton) { // context menu
432  // Opening QuickList
433  quickList.open(index);
434  return;
435  }
436 
437  Haptics.play();
438 
439  // First/last item do the scrolling at more than 12 degrees
440  if (index == 0 || index == launcherListView.count - 1) {
441  if (clickedItem.angle > 12 || clickedItem.angle < -12) {
442  launcherListView.moveToIndex(index);
443  } else {
444  root.applicationSelected(LauncherModel.get(index).appId);
445  }
446  return;
447  }
448 
449  // the rest launches apps up to an angle of 30 degrees
450  if (clickedItem.angle > 30 || clickedItem.angle < -30) {
451  launcherListView.moveToIndex(index);
452  } else {
453  root.applicationSelected(LauncherModel.get(index).appId);
454  }
455  }
456 
457  onCanceled: {
458  endDrag(drag);
459  }
460 
461  onReleased: {
462  endDrag(drag);
463  }
464 
465  function endDrag(dragItem) {
466  var droppedIndex = draggedIndex;
467  if (dragging) {
468  postDragging = true;
469  } else {
470  draggedIndex = -1;
471  }
472 
473  if (!selectedItem) {
474  return;
475  }
476 
477  selectedItem.dragging = false;
478  selectedItem = undefined;
479  preDragging = false;
480 
481  dragItem.target = undefined
482 
483  progressiveScrollingTimer.stop();
484  launcherListView.interactive = true;
485  if (droppedIndex >= launcherListView.count - 2 && postDragging) {
486  snapToBottomAnimation.start();
487  } else if (droppedIndex < 2 && postDragging) {
488  snapToTopAnimation.start();
489  }
490  }
491 
492  onPressAndHold: {
493  processPressAndHold(mouse, drag);
494  }
495 
496  function processPressAndHold(mouse, dragItem) {
497  if (Math.abs(selectedItem.angle) > 30) {
498  return;
499  }
500 
501  Haptics.play();
502 
503  draggedIndex = Math.floor((mouse.y + launcherListView.realContentY) / launcherListView.realItemHeight);
504 
505  quickList.open(draggedIndex)
506 
507  launcherListView.interactive = false
508 
509  var yOffset = draggedIndex > 0 ? (mouse.y + launcherListView.realContentY) % (draggedIndex * launcherListView.realItemHeight) : mouse.y + launcherListView.realContentY
510 
511  fakeDragItem.iconName = launcherListView.model.get(draggedIndex).icon
512  fakeDragItem.x = units.gu(0.5)
513  fakeDragItem.y = mouse.y - yOffset + launcherListView.anchors.topMargin + launcherListView.topMargin
514  fakeDragItem.angle = selectedItem.angle * (root.inverted ? -1 : 1)
515  fakeDragItem.offset = selectedItem.offset * (root.inverted ? -1 : 1)
516  fakeDragItem.count = LauncherModel.get(draggedIndex).count
517  fakeDragItem.progress = LauncherModel.get(draggedIndex).progress
518  fakeDragItem.flatten()
519  dragItem.target = fakeDragItem
520 
521  startX = mouse.x
522  startY = mouse.y
523  }
524 
525  onPositionChanged: {
526  processPositionChanged(mouse)
527  }
528 
529  function processPositionChanged(mouse) {
530  if (draggedIndex >= 0) {
531  if (!selectedItem.dragging) {
532  var distance = Math.max(Math.abs(mouse.x - startX), Math.abs(mouse.y - startY))
533  if (!preDragging && distance > units.gu(1.5)) {
534  preDragging = true;
535  quickList.state = "";
536  }
537  if (distance > launcherListView.itemHeight) {
538  selectedItem.dragging = true
539  preDragging = false;
540  }
541  }
542  if (!selectedItem.dragging) {
543  return
544  }
545 
546  var itemCenterY = fakeDragItem.y + fakeDragItem.height / 2
547 
548  // Move it down by the the missing size to compensate index calculation with only expanded items
549  itemCenterY += (launcherListView.itemHeight - selectedItem.height) / 2
550 
551  if (mouseY > launcherListView.height - launcherListView.topMargin - launcherListView.bottomMargin - launcherListView.realItemHeight) {
552  progressiveScrollingTimer.downwards = false
553  progressiveScrollingTimer.start()
554  } else if (mouseY < launcherListView.realItemHeight) {
555  progressiveScrollingTimer.downwards = true
556  progressiveScrollingTimer.start()
557  } else {
558  progressiveScrollingTimer.stop()
559  }
560 
561  var newIndex = (itemCenterY + launcherListView.realContentY) / launcherListView.realItemHeight
562 
563  if (newIndex > draggedIndex + 1) {
564  newIndex = draggedIndex + 1
565  } else if (newIndex < draggedIndex) {
566  newIndex = draggedIndex -1
567  } else {
568  return
569  }
570 
571  if (newIndex >= 0 && newIndex < launcherListView.count) {
572  if (launcherListView.draggingTransitionRunning) {
573  launcherListView.scheduledMoveTo = newIndex
574  } else {
575  launcherListView.model.move(draggedIndex, newIndex)
576  draggedIndex = newIndex
577  }
578  }
579  }
580  }
581  }
582  Timer {
583  id: progressiveScrollingTimer
584  interval: 2
585  repeat: true
586  running: false
587  property bool downwards: true
588  onTriggered: {
589  if (downwards) {
590  var minY = -launcherListView.topMargin
591  if (launcherListView.contentY > minY) {
592  launcherListView.contentY = Math.max(launcherListView.contentY - units.dp(2), minY)
593  }
594  } else {
595  var maxY = launcherListView.contentHeight - launcherListView.height + launcherListView.topMargin + launcherListView.originY
596  if (launcherListView.contentY < maxY) {
597  launcherListView.contentY = Math.min(launcherListView.contentY + units.dp(2), maxY)
598  }
599  }
600  }
601  }
602  }
603  }
604 
605  LauncherDelegate {
606  id: fakeDragItem
607  objectName: "fakeDragItem"
608  visible: dndArea.draggedIndex >= 0 && !dndArea.postDragging
609  itemWidth: launcherListView.itemWidth
610  itemHeight: launcherListView.itemHeight
611  height: itemHeight
612  width: itemWidth
613  rotation: root.rotation
614  itemOpacity: 0.9
615  onVisibleChanged: if (!visible) iconName = "";
616 
617  function flatten() {
618  fakeDragItemAnimation.start();
619  }
620 
621  UbuntuNumberAnimation {
622  id: fakeDragItemAnimation
623  target: fakeDragItem;
624  properties: "angle,offset";
625  to: 0
626  }
627  }
628  }
629  }
630 
631  UbuntuShapeForItem {
632  id: quickListShape
633  objectName: "quickListShape"
634  anchors.fill: quickList
635  opacity: quickList.state === "open" ? 0.95 : 0
636  visible: opacity > 0
637  rotation: root.rotation
638  aspect: UbuntuShape.Flat
639 
640  Behavior on opacity {
641  UbuntuNumberAnimation {}
642  }
643 
644  image: quickList
645 
646  Image {
647  anchors {
648  right: parent.left
649  rightMargin: -units.dp(4)
650  verticalCenter: parent.verticalCenter
651  verticalCenterOffset: -quickList.offset * (root.inverted ? -1 : 1)
652  }
653  height: units.gu(1)
654  width: units.gu(2)
655  source: "graphics/quicklist_tooltip.png"
656  rotation: 90
657  }
658  }
659 
660  InverseMouseArea {
661  anchors.fill: quickListShape
662  enabled: quickList.state == "open" || pressed
663 
664  onClicked: {
665  quickList.state = "";
666  quickList.focus = false;
667  root.kbdNavigationCancelled();
668  }
669 
670  // Forward for dragging to work when quickList is open
671 
672  onPressed: {
673  var m = mapToItem(dndArea, mouseX, mouseY)
674  dndArea.processPress(m)
675  }
676 
677  onPressAndHold: {
678  var m = mapToItem(dndArea, mouseX, mouseY)
679  dndArea.processPressAndHold(m, drag)
680  }
681 
682  onPositionChanged: {
683  var m = mapToItem(dndArea, mouseX, mouseY)
684  dndArea.processPositionChanged(m)
685  }
686 
687  onCanceled: {
688  dndArea.endDrag(drag);
689  }
690 
691  onReleased: {
692  dndArea.endDrag(drag);
693  }
694  }
695 
696  Rectangle {
697  id: quickList
698  objectName: "quickList"
699  color: theme.palette.normal.background
700  // Because we're setting left/right anchors depending on orientation, it will break the
701  // width setting after rotating twice. This makes sure we also re-apply width on rotation
702  width: root.inverted ? units.gu(30) : units.gu(30)
703  height: quickListColumn.height
704  visible: quickListShape.visible
705  anchors {
706  left: root.inverted ? undefined : parent.right
707  right: root.inverted ? parent.left : undefined
708  margins: units.gu(1)
709  }
710  y: itemCenter - (height / 2) + offset
711  rotation: root.rotation
712 
713  property var model
714  property string appId
715  property var item
716  property int selectedIndex: -1
717 
718  Keys.onPressed: {
719  switch (event.key) {
720  case Qt.Key_Down:
721  selectedIndex++;
722  if (selectedIndex >= popoverRepeater.count) {
723  selectedIndex = 0;
724  }
725  event.accepted = true;
726  break;
727  case Qt.Key_Up:
728  selectedIndex--;
729  if (selectedIndex < 0) {
730  selectedIndex = popoverRepeater.count - 1;
731  }
732  event.accepted = true;
733  break;
734  case Qt.Key_Left:
735  case Qt.Key_Escape:
736  quickList.selectedIndex = -1;
737  quickList.focus = false;
738  quickList.state = ""
739  event.accepted = true;
740  break;
741  case Qt.Key_Enter:
742  case Qt.Key_Return:
743  case Qt.Key_Space:
744  if (quickList.selectedIndex >= 0) {
745  LauncherModel.quickListActionInvoked(quickList.appId, quickList.selectedIndex)
746  }
747  quickList.selectedIndex = -1;
748  quickList.focus = false;
749  quickList.state = ""
750  root.kbdNavigationCancelled();
751  event.accepted = true;
752  break;
753  }
754  }
755 
756  // internal
757  property int itemCenter: item ? root.mapFromItem(quickList.item).y + (item.height / 2) + quickList.item.offset : units.gu(1)
758  property int offset: itemCenter + (height/2) + units.gu(1) > parent.height ? -itemCenter - (height/2) - units.gu(1) + parent.height :
759  itemCenter - (height/2) < units.gu(1) ? (height/2) - itemCenter + units.gu(1) : 0
760 
761  function open(index) {
762  var itemPosition = index * launcherListView.itemHeight;
763  var height = launcherListView.height - launcherListView.topMargin - launcherListView.bottomMargin
764  item = launcherListView.itemAt(launcherListView.width / 2, itemPosition + launcherListView.itemHeight / 2);
765  quickList.model = launcherListView.model.get(index).quickList;
766  quickList.appId = launcherListView.model.get(index).appId;
767  quickList.state = "open";
768  }
769 
770  Item {
771  width: parent.width
772  height: quickListColumn.height
773 
774  Column {
775  id: quickListColumn
776  width: parent.width
777  height: childrenRect.height
778 
779  Repeater {
780  id: popoverRepeater
781  model: quickList.model
782 
783  ListItem {
784  objectName: "quickListEntry" + index
785  selected: index === quickList.selectedIndex
786  height: label.implicitHeight + label.anchors.topMargin + label.anchors.bottomMargin
787  color: model.clickable ? (selected ? theme.palette.highlighted.background : "transparent") : theme.palette.disabled.background
788  highlightColor: !model.clickable ? quickList.color : undefined // make disabled items visually unclickable
789  divider.colorFrom: UbuntuColors.inkstone
790  divider.colorTo: UbuntuColors.inkstone
791 
792  Label {
793  id: label
794  anchors.fill: parent
795  anchors.leftMargin: units.gu(3) // 2 GU for checkmark, 3 GU total
796  anchors.rightMargin: units.gu(2)
797  anchors.topMargin: units.gu(2)
798  anchors.bottomMargin: units.gu(2)
799  verticalAlignment: Label.AlignVCenter
800  text: model.label
801  fontSize: index == 0 ? "medium" : "small"
802  font.weight: index == 0 ? Font.Medium : Font.Light
803  color: model.clickable ? theme.palette.normal.backgroundText : theme.palette.disabled.backgroundText
804  }
805 
806  onClicked: {
807  if (!model.clickable) {
808  return;
809  }
810  Haptics.play();
811  quickList.state = "";
812  // Unsetting model to prevent showing changing entries during fading out
813  // that may happen because of triggering an action.
814  LauncherModel.quickListActionInvoked(quickList.appId, index);
815  quickList.focus = false;
816  root.kbdNavigationCancelled();
817  quickList.model = undefined;
818  }
819  }
820  }
821  }
822  }
823  }
824 }