/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/PageRow.qml is in qml-module-org-kde-kirigami2 5.44.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 | /*
* Copyright 2016 Marco Martin <mart@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* 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 Library General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import QtQuick 2.5
import QtQuick.Layouts 1.2
import QtQml.Models 2.2
import QtQuick.Templates 2.0 as T
import QtQuick.Controls 2.0 as QQC2
import org.kde.kirigami 2.2
/**
* PageRow implements a row-based navigation model, which can be used
* with a set of interlinked information pages. Items are pushed in the
* back of the row and the view scrolls until that row is visualized.
* A PageRowcan show a single page or a multiple set of columns, depending
* on the window width: on a phone a single column should be fullscreen,
* while on a tablet or a desktop more than one column should be visible.
* @inherit QtQuick.Templates.Control
*/
T.Control {
id: root
//BEGIN PROPERTIES
/**
* This property holds the number of items currently pushed onto the view
*/
readonly property int depth: popScrollAnim.running && popScrollAnim.pendingDepth > -1 ? popScrollAnim.pendingDepth : pagesLogic.count
/**
* The last Page in the Row
*/
readonly property Item lastItem: pagesLogic.count ? pagesLogic.get(pagesLogic.count - 1).page : null
/**
* The currently visible Item
*/
readonly property Item currentItem: mainView.currentItem ? mainView.currentItem.page : null
/**
* the index of the currently visible Item
*/
property alias currentIndex: mainView.currentIndex
/**
* The initial item when this PageRow is created
*/
property variant initialPage
/**
* The main flickable of this Row
*/
contentItem: mainView
/**
* The default width for a column
* default is wide enough for 30 grid units.
* Pages can override it with their Layout.fillWidth,
* implicitWidth Layout.minimumWidth etc.
*/
property int defaultColumnWidth: Units.gridUnit * 20
/**
* interactive: bool
* If true it will be possible to go back/forward by dragging the
* content themselves with a gesture.
* Otherwise the only way to go back will be programmatically
* default: true
*/
property alias interactive: mainView.interactive
/**
* wideMode: bool
* If true, the PageRow is wide enough that willshow more than one column at once
* @since 5.37
*/
readonly property bool wideMode: root.width >= root.defaultColumnWidth*2 && pagesLogic.count >= 2
/**
* separatorVisible: bool
* True if the separator between pages should be visible
* default: true
* @since 5.38
*/
property bool separatorVisible: true
//END PROPERTIES
//BEGIN FUNCTIONS
/**
* Pushes a page on the stack.
* The page can be defined as a component, item or string.
* If an item is used then the page will get re-parented.
* If a string is used then it is interpreted as a url that is used to load a page
* component.
*
* @param page The page can also be given as an array of pages.
* In this case all those pages will
* be pushed onto the stack. The items in the stack can be components, items or
* strings just like for single pages.
* Additionally an object can be used, which specifies a page and an optional
* properties property.
* This can be used to push multiple pages while still giving each of
* them properties.
* When an array is used the transition animation will only be to the last page.
*
* @param properties The properties argument is optional and allows defining a
* map of properties to set on the page.
* @return The new created page
*/
function push(page, properties) {
//don't push again things already there
if (page.createObject === undefined && typeof page != "string" && pagesLogic.containsPage(page)) {
print("The item " + page + " is already in the PageRow");
return;
}
if (popScrollAnim.running) {
popScrollAnim.running = false;
popScrollAnim.popPageCleanup(popScrollAnim.pendingPage);
}
popScrollAnim.popPageCleanup(currentItem);
// figure out if more than one page is being pushed
var pages;
if (page instanceof Array) {
pages = page;
page = pages.pop();
if (page.createObject === undefined && page.parent === undefined && typeof page != "string") {
properties = properties || page.properties;
page = page.page;
}
}
// push any extra defined pages onto the stack
if (pages) {
var i;
for (i = 0; i < pages.length; i++) {
var tPage = pages[i];
var tProps;
if (tPage.createObject === undefined && tPage.parent === undefined && typeof tPage != "string") {
if (pagesLogic.containsPage(tPage)) {
print("The item " + page + " is already in the PageRow");
continue;
}
tProps = tPage.properties;
tPage = tPage.page;
}
var container = pagesLogic.initPage(tPage, tProps);
pagesLogic.append(container);
}
}
// initialize the page
var container = pagesLogic.initPage(page, properties);
pagesLogic.append(container);
container.visible = container.page.visible = true;
mainView.currentIndex = container.level;
return container.page
}
/**
* Pops a page off the stack.
* @param page If page is specified then the stack is unwound to that page,
* to unwind to the first page specify
* page as null.
* @return The page instance that was popped off the stack.
*/
function pop(page) {
if (depth == 0) {
return;
}
//if a pop was animating, stop it
if (popScrollAnim.running) {
popScrollAnim.running = false;
popScrollAnim.popPageCleanup(popScrollAnim.pendingPage);
//if a push was animating, stop it
} else {
mainView.positionViewAtIndex(mainView.currentIndex, ListView.Beginning);
}
popScrollAnim.from = mainView.contentX
if ((!page || !page.parent) && pagesLogic.count > 1) {
page = pagesLogic.get(pagesLogic.count - 2).page;
}
popScrollAnim.to = page && page.parent ? page.parent.x : 0;
popScrollAnim.pendingPage = page;
popScrollAnim.pendingDepth = page && page.parent ? page.parent.level + 1 : 0;
popScrollAnim.running = true;
}
SequentialAnimation {
id: popScrollAnim
property real from
property real to
property var pendingPage
property int pendingDepth: -1
function popPageCleanup(page) {
if (pagesLogic.count == 0) {
return;
}
if (popScrollAnim.running) {
popScrollAnim.running = false;
}
var oldPage = pagesLogic.get(pagesLogic.count-1).page;
if (page !== undefined) {
// an unwind target has been specified - pop until we find it
while (page != oldPage && pagesLogic.count > 1) {
pagesLogic.removePage(oldPage.parent.level);
oldPage = pagesLogic.get(pagesLogic.count-1).page;
}
} else {
pagesLogic.removePage(pagesLogic.count-1);
}
}
NumberAnimation {
target: mainView
properties: "contentX"
duration: Units.shortDuration
from: popScrollAnim.from
to: popScrollAnim.to
}
ScriptAction {
script: {
//snap
mainView.flick(100, 0)
popScrollAnim.popPageCleanup(popScrollAnim.pendingPage);
}
}
}
/**
* Replaces a page on the stack.
* @param page The page can also be given as an array of pages.
* In this case all those pages will
* be pushed onto the stack. The items in the stack can be components, items or
* strings just like for single pages.
* Additionally an object can be used, which specifies a page and an optional
* properties property.
* This can be used to push multiple pages while still giving each of
* them properties.
* When an array is used the transition animation will only be to the last page.
* @param properties The properties argument is optional and allows defining a
* map of properties to set on the page.
* @see push() for details.
*/
function replace(page, properties) {
if (currentIndex>=1)
popScrollAnim.popPageCleanup(pagesLogic.get(currentIndex-1).page);
else if (currentIndex==0)
popScrollAnim.popPageCleanup();
else
console.warn("There's no page to replace");
return push(page, properties);
}
/**
* Clears the page stack.
* Destroy (or reparent) all the pages contained.
*/
function clear() {
return pagesLogic.clearPages();
}
/**
* @return the page at idx
* @param idx the depth of the page we want
*/
function get(idx) {
return pagesLogic.get(idx).page;
}
/**
* go back to the previous index and scroll to the left to show one more column
*/
function flickBack() {
if (depth > 1) {
currentIndex = Math.max(0, currentIndex - 1);
}
if (LayoutMirroring.enabled) {
if (!mainView.atEnd) {
mainViewScrollAnim.from = mainView.contentX
mainViewScrollAnim.to = Math.min(mainView.contentWidth - mainView.width, mainView.contentX + defaultColumnWidth)
mainViewScrollAnim.running = true;
}
} else {
if (mainView.contentX - mainView.originX > 0) {
mainViewScrollAnim.from = mainView.contentX
mainViewScrollAnim.to = Math.max(mainView.originX, mainView.contentX - defaultColumnWidth)
mainViewScrollAnim.running = true;
}
}
}
/**
* layers: QtQuick.Controls.PageStack
* Access to the modal layers.
* Sometimes an application needs a modal page that always covers all the rows.
* For instance the full screen image of an image viewer or a settings page.
* @since 5.38
*/
property alias layers: layersStack
//END FUNCTIONS
onInitialPageChanged: {
clear();
if (initialPage) {
push(initialPage, null)
}
}
Keys.forwardTo: [currentItem]
SequentialAnimation {
id: mainViewScrollAnim
property real from
property real to
NumberAnimation {
target: mainView
properties: "contentX"
duration: Units.longDuration
from: mainViewScrollAnim.from
to: mainViewScrollAnim.to
}
ScriptAction {
script: mainView.flick(100, 0)
}
}
QQC2.StackView {
id: layersStack
z: 99
anchors.fill: parent
initialItem: mainView
function clear () {
//don't let it kill the main page row
var d = root.depth;
for (var i = 1; i < d; ++i) {
pop();
}
}
}
ListView {
id: mainView
boundsBehavior: Flickable.StopAtBounds
orientation: Qt.Horizontal
snapMode: ListView.SnapToItem
currentIndex: root.currentIndex
property int marginForLast: count > 1 ? pagesLogic.get(count-1).page.width - pagesLogic.get(count-1).width : 0
leftMargin: LayoutMirroring.enabled ? marginForLast : 0
rightMargin: LayoutMirroring.enabled ? 0 : marginForLast
preferredHighlightBegin: 0
preferredHighlightEnd: 0
highlightMoveDuration: Units.longDuration
highlightFollowsCurrentItem: true
onMovementEnded: currentIndex = Math.max(0, indexAt(contentX, 0))
onFlickEnded: onMovementEnded();
onCurrentIndexChanged: {
if (currentItem) {
currentItem.page.forceActiveFocus();
}
}
model: ObjectModel {
id: pagesLogic
readonly property var componentCache: new Array()
readonly property int roundedDefaultColumnWidth: root.width < root.defaultColumnWidth*2 ? root.width : root.defaultColumnWidth
function removePage(id) {
if (id < 0 || id >= count) {
print("Tried to remove an invalid page index:" + id);
return;
}
var item = pagesLogic.get(id);
if (item.owner) {
item.page.visible = false;
item.page.parent = item.owner;
}
//FIXME: why reparent ing is necessary?
//is destroy just an async deleteLater() that isn't executed immediately or it actually leaks?
pagesLogic.remove(id);
item.parent = root;
if (item.page.parent==item) {
item.page.destroy(1)
}
item.destroy();
}
function clearPages () {
popScrollAnim.running = false;
popScrollAnim.pendingDepth = -1;
while (count > 0) {
removePage(count-1);
}
}
function initPage(page, properties) {
var container = containerComponent.createObject(mainView, {
"level": pagesLogic.count,
"page": page
});
var pageComp;
if (page.createObject) {
// page defined as component
pageComp = page;
} else if (typeof page == "string") {
// page defined as string (a url)
pageComp = pagesLogic.componentCache[page];
if (!pageComp) {
pageComp = pagesLogic.componentCache[page] = Qt.createComponent(page);
}
}
if (pageComp) {
if (pageComp.status == Component.Error) {
throw new Error("Error while loading page: " + pageComp.errorString());
} else {
// instantiate page from component
page = pageComp.createObject(container.pageParent, properties || {});
}
} else {
// copy properties to the page
for (var prop in properties) {
if (properties.hasOwnProperty(prop)) {
page[prop] = properties[prop];
}
}
}
container.page = page;
if (page.parent == null || page.parent == container.pageParent) {
container.owner = null;
}
// the page has to be reparented
if (page.parent != container) {
page.parent = container;
}
return container;
}
function containsPage(page) {
for (var i = 0; i < pagesLogic.count; ++i) {
var candidate = pagesLogic.get(i);
if (candidate.page == page) {
print("The item " + page + " is already in the PageRow");
return;
}
}
}
}
T.ScrollIndicator.horizontal: T.ScrollIndicator {
anchors {
left: parent.left
right: parent.right
bottom: parent.bottom
}
height: Units.smallSpacing
contentItem: Rectangle {
height: Units.smallSpacing
width: Units.smallSpacing
color: Theme.textColor
opacity: 0
onXChanged: {
opacity = 0.3
scrollIndicatorTimer.restart();
}
Behavior on opacity {
OpacityAnimator {
duration: Units.longDuration
easing.type: Easing.InOutQuad
}
}
Timer {
id: scrollIndicatorTimer
interval: Units.longDuration * 4
onTriggered: parent.opacity = 0;
}
}
}
onContentWidthChanged: mainView.positionViewAtIndex(root.currentIndex, ListView.Contain)
}
Component {
id: containerComponent
MouseArea {
id: container
height: mainView.height
width: root.width
state: page ? (!root.wideMode ? "vertical" : (container.level >= pagesLogic.count - 1 ? "last" : "middle")) : "";
acceptedButtons: Qt.LeftButton | Qt.BackButton | Qt.ForwardButton
property int level
readonly property int hint: page && page.implicitWidth ? page.implicitWidth : root.defaultColumnWidth
readonly property int roundedHint: Math.floor(root.width/hint) > 0 ? root.width/Math.floor(root.width/hint) : root.width
property Item page
property Item owner
onPageChanged: {
if (page) {
owner = page.parent;
page.parent = container;
page.anchors.fill = container;
}
}
drag.filterChildren: true
onClicked: {
switch (mouse.button) {
case Qt.BackButton:
root.flickBack();
break;
case Qt.ForwardButton:
root.currentIndex = Math.min(root.depth, root.currentIndex + 1);
break;
default:
root.currentIndex = level;
break;
}
}
onFocusChanged: {
if (focus) {
root.currentIndex = level;
}
}
Separator {
z: 999
anchors {
top: parent.top
bottom: parent.bottom
left: parent.left
}
visible: root.separatorVisible && container.level > 0
}
states: [
State {
name: "vertical"
PropertyChanges {
target: container
width: root.width
}
PropertyChanges {
target: container.page ? container.page.anchors : null
rightMargin: 0
}
},
State {
name: "last"
PropertyChanges {
target: container
width: pagesLogic.roundedDefaultColumnWidth
}
PropertyChanges {
target: container.page.anchors
rightMargin: {
return -(root.width - pagesLogic.roundedDefaultColumnWidth*2);
}
}
},
State {
name: "middle"
PropertyChanges {
target: container
width: pagesLogic.roundedDefaultColumnWidth
}
PropertyChanges {
target: container.page.anchors
rightMargin: 0
}
}
]
}
}
}
|