78 Commits

Author SHA1 Message Date
Nick Gerleman
e769dd97d8 Add data-disabled to test fixtures (#1286)
Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1286

This can be marked in fixtures to skip a test without commenting it out. We add one more usage of this.

The same functionality existed (unused) before for `experiments`, which I changed to `data-experiments`.

Formatting of JS tests changed to be closer to what Prettier would output, and to remove usage of `Yoga.UNDEFINED` which doesn't existi and just resolves to `undefined` (this is converted to NaN by the wrapper layer).

Reviewed By: yungsters

Differential Revision: D45723003

fbshipit-source-id: 337af319ab1c1c12047d6579da8c7e63b4f1537a
2023-05-10 22:46:39 -07:00
Nick Gerleman
7e96b65790 Import "Fix percent absolute position and size calcuate different with web" behind experimental feature (#1028) (#1201)
Summary:
Fixes https://github.com/facebook/yoga/issues/850

https://github.com/facebook/yoga/issues/850 describes a conformance issue where positioning of an absolute child using percentages is not calculated against the correct box size.

This takes the fix for that in https://github.com/facebook/yoga/pull/1028, regenerates tests, and fixes tests so that the experimental feature can be enabled. Goal is to run this as an experiment internally to see if we can enable by default.

Changelog:
[Internal]

Pull Request resolved: https://github.com/facebook/yoga/pull/1201

Reviewed By: yungsters

Differential Revision: D42282358

Pulled By: NickGerleman

fbshipit-source-id: 57c0dd9b0f1c47cb9335ff6e13d44b4646e5fa58
2023-01-08 13:41:27 -08:00
Nishan
ba27f9d1ec fix: remove gap if its last element in line (fix flex gap extra spacing when children determine parents main axis size) (#1188)
Summary:
Fixes - https://github.com/facebook/react-native/issues/35553

## Approach
We're using `betweenMainDim` to add [gap between](bbeede82d3/yoga/Yoga.cpp (L2495)) items in main axis. This is resulting in increased [main axis](bbeede82d3/yoga/Yoga.cpp (L2598)) dimension of the container as it gets added even for the last element. One solution is to keep using it and subtract the gap when last element is reached.

## Aside
Mutating this value feels weird, but I think `betweenMainDim` gets initialized for every line so should be fine? I did some manual tests to verify. I tried running tests but I'll have to downgrade the java version. Let me know if anything fails. Thanks! 🙏

Pull Request resolved: https://github.com/facebook/yoga/pull/1188

Test Plan: Added fixtures which previously failed but now pass.

Reviewed By: necolas

Differential Revision: D42078162

Pulled By: NickGerleman

fbshipit-source-id: 0e535618350422e001141a8786a83fc81651afe9
2022-12-15 16:30:37 -08:00
Nick Gerleman
5a257aac85 Add tests for gap interaction with child margins
Summary:
Adds a couple test fixtures to validate the interaction of flex gap with children with margins. In both Yoga, and web browsers, these are additive vs collapsing.

Fixes a couple misspellings as well that weren't caught during review.

Changelog:
[Internal]

Reviewed By: lunaleaps

Differential Revision: D41343407

fbshipit-source-id: 427f94faf248901517feff24d334f17ccb85266b
2022-11-16 14:02:31 -08:00
Nick Gerleman
8166c81135 Incorporate gap space into main axis overflow flag (#1173)
Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1173

In https://github.com/facebook/react-native/issues/35351 we see incorrect child item height when the flex-wrap is enabled, the cross-axis is to be stretched, and main-axis overflow is caused by gap.

In YGDistributeFreeSpaceSecondPass, if we do not have overflow (determined by flexBasisOverflows), we have stretch cross-alignment, and we reason that nothing can add to main axis dimensions, we know we're a single line and want to take full cross dimensions. and can set YGMeasureModeExactly which uses parent dimensions. Guessing an optimization?

If we do have overflow, then we set YGMeasureModeAtMost to find minimum possible cross-axis dimensions instead.

`flexBasisOverflows` incorporates both computed flex basis, and margin, so it is more generally a flag for whether we will wrap. So we should incorporate gap spacing into it. E.g. it is also used for whether we should the match main axis parent dimension of the overall container. This change does just that, and renames the flag to `mainAxisOverflows`.

We will want to cherry-pick the fix for this into RN 0.71 since we have not yet introduced the community to the incorrect behavior, and we expect a lot of usage of flex-gap.

Changelog:
[General][Fixed] - Fix incorrect height when gap causes main axis to overflow and cross-axis is stretched

Reviewed By: yungsters

Differential Revision: D41311424

fbshipit-source-id: bd0c3b5aac478a56878703b6da84fc3993cc14da
2022-11-15 19:51:48 -08:00
Nick Gerleman
c2a0ccf0d4 Add tests for row-gap and column-gap
Summary:
This adds the fixtures from https://github.com/facebook/yoga/pull/1116 and generates tests.

This adds a good amount of coverage, but I plan to follow up with a diff adding a bit more, e.g. for interactions with flex direction of column when we should no-op, etc. I also discovered the current fixtures do not allow testing shorthand props like "gap" without changes.

This also updates the `webdrivers` gem to respond to a break with chromedriver on m1 macs from 4 days ago https://github.com/titusfortner/webdrivers/pull/239.

Reviewed By: yungsters

Differential Revision: D39922413

fbshipit-source-id: dfc7bda894be8dfcb24e25c19a4df0b09a72ce7e
2022-10-13 08:18:49 -07:00
Nick Gerleman
585df10ee8 strech -> stretch
Summary: This replicates https://github.com/facebook/yoga/pull/760, to fix a typo around align-items. It does not have an effect on the tests themselves, since align-items defaults to stretch, and the test generator omits CSS properties of a default value.

Reviewed By: yungsters

Differential Revision: D40060324

fbshipit-source-id: da0565f2ad17e3e4e0f541a1c7006cdeeb991ece
2022-10-04 08:51:51 -07:00
Nick Gerleman
fd180de774 Fix Generation of Tests from Fixtures
Summary:
https://github.com/facebook/yoga/pull/1116 added a change to the test generator "gentests.rb" to support a newer version of chromedriver, along with a change to the enum generator (not touched in this diff) to produce code consistent with the current tests, which seem to have been manually edited since last generation.

I had trouble running the test generator locally, because it relies on unversioned third-party dependencies, whose APIs change. Looking at source history, it seems like each time someone wants to run the script, they end up updating its syntax to match whatever versions they pull in.

This change adds a Gemfile and lock so that that the version of "watir" is locked, and so that we will also automatically pull in a consistent "chomedriver" version via the "webdrivers" gem. It includes the updates from the PR to be consistent with already output tests, and I have also updated the copyright header generation to no longer create lint warnings on newly generated tests (some of the previous ones were fixed manually it looks like).

The test generator would still produce bodies which would fail clang-format, and were manually edited (causing generation to emit new lint warnings), so I updated the generator to suppress clang-format in the body of the generated files.

Three tests, around the interaction of minimum dimensions and flexible children produce different results in Chrome now compared to when the tests were added, so running `gentests.rb` creates tests which break UTs. This doesn't seem like any sort of rounding, or device specific difference, so I have disabled these tests for now. While digging around, it does look like Chrome periodically will fix bugs in its own layout implementation which cause differences, like https://bugs.chromium.org/p/chromium/issues/detail?id=927066

Reviewed By: rozele, Andrey-Mishanin

Differential Revision: D39907416

fbshipit-source-id: f88714ff038b42f935901783452df25eabb6ebb1
2022-09-29 22:25:24 -07:00
Eric Rozell
342aebe1d7 Fixes layout of nodes with YGDisplayNone and YGPositionTypeAbsolute (#1068)
Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1068

There is an issue in react-native when the Yoga node position type is set to absolute and display: none is set where the node layout calculation gives the absolute dimensions, rather than the expected 0 x 0.

Here are some OSS issues tracking this:
https://github.com/facebook/react-native/issues/18415
https://github.com/microsoft/react-native-windows/issues/7289

## Changelog

[General] [Fix] - Fixes layout of nodes with YGDisplayNone and YGPositionTypeAbsolute

Reviewed By: Andrey-Mishanin

Differential Revision: D26849307

fbshipit-source-id: 197618aa3c4e1b3b7efeba7ea4efd30b2d1c982d
2021-03-10 13:10:32 -08:00
Sidharth Guglani
a2ef8978cd flex_shrink_flex_grow_row and flex_shrink_flex_grow_child_flex_shrink_other_child tests were directly added in YGFlexTest.cpp, Added these in YGFlexTest.html so that they can generated accordingly in all different langauges via gentest ruby script
Summary:
@public
`flex_shrink_flex_grow_row` and `flex_shrink_flex_grow_child_flex_shrink_other_child` tests were present in YGFlexTest.cpp.

When running ruby script to generate tests, these were getting removed since they were not added in YGFlexTest.html using which tests are generated.
This diff adds tests in YGFlexTest.html and contains corresponding generated test cases for different languages.

Reviewed By: priteshrnandgaonkar

Differential Revision: D12838701

fbshipit-source-id: 5e92716d94fa392230db2c0ec3b8c131a089c55a
2018-10-31 13:12:00 -07:00
Sidharth Guglani
b7890fa2a8 adding missing generated test cases in csharp, java, js
Summary:
@public
gentest.rb script generates tests in different languages cpp, java, csharp, js from html files.
Some tests were missing from csharp, java and js test files. This diff adds those in all the test files

Reviewed By: priteshrnandgaonkar

Differential Revision: D10853971

fbshipit-source-id: 11d7cee5889dd1f5a7440f6802fca78cea17aa4d
2018-10-31 10:16:47 -07:00
Pritesh Nandgaonkar
1080cf22e3 Solve width bug when the size is less than min
Summary:
This diff updates the logic which reassigns `remainingFreeSpace` when the node's calculated dimension falls below min width of the node.

So we will have to update the `remainingFreeSpace` as there is more available space since the calculated nodes width is less than the min width.

I have also added comments at relevant places in the code so that it is clearer.

This diff solves the issue raised in litho support grp. The details can be found here T32199608. This diff also makes sure that it doesn't break fblite, as the earlier version broke it, details of which can be found here T32881750.

Reviewed By: IanChilds

Differential Revision: D9359026

fbshipit-source-id: 4168e385e962c168a9de9370220c75f14a6726a7
2018-08-20 06:29:38 -07:00
Roman Kushnarenko
abc9fdb37c Revert D9286928: [yoga] Solve width bug when the size is less than min
Differential Revision:
D9286928

Original commit changeset: 915269602cda

fbshipit-source-id: a4c23bf335b82fbbf3928a524a61374a6cf6ffb1
2018-08-16 03:14:16 -07:00
Pritesh Nandgaonkar
b872751d68 Solve width bug when the size is less than min
Summary:
Removed the faulty calculation of `remainingFreeSpace` from the code. `remainingFreeSpace` already had the correct value that special condition was not required.

Also added a test case for this issue

Reviewed By: IanChilds

Differential Revision: D9286928

fbshipit-source-id: 915269602cda2cc4515e6eab8184b2ea98d3e6d4
2018-08-15 14:29:37 -07:00
Pritesh Nandgaonkar
4f92ae46ef Yoga android news feed benchmark tests
Summary: Added a benchmark tests along with the usual gentest in yoga for a complex yoga android news feed view.

Reviewed By: emilsjolander

Differential Revision: D6753544

fbshipit-source-id: 23b8da9785990a86248ff4708ac61e12411eb489
2018-01-22 04:30:26 -08:00
Lukas Wöhrl
afaafb4126 Measure nodes which have margin: auto and align-item: stretch
Summary:
If you have a measurable node and set ```marign-left: auto``` + ```align-item:stretch``` on it, it won't get measured and they get a width/height of ```-(nan)```. This change fixes that behaviour. Fixes #644.
Closes https://github.com/facebook/yoga/pull/645

Differential Revision: D6413512

Pulled By: emilsjolander

fbshipit-source-id: 755febeb33bb0d4520ca6b3c28d56ac333e4a14d
2017-11-27 05:36:48 -08:00
Lukas Wöhrl
7e3be21811 Add justify-content: space-evenly
Summary:
Adds new ```space-evenly``` for ```justify-content```.

Also adds a typofix in one of the other justify-content tests.

Fixes #657
Closes https://github.com/facebook/yoga/pull/658

Differential Revision: D6407996

Pulled By: emilsjolander

fbshipit-source-id: cc837409e1345624b4bd72c31e25fe68dcb0f6a3
2017-11-27 03:47:23 -08:00
Lukas Wöhrl
5e39f1a57c Fix shrinking in non strech alignments while retaining legacy behaviour
Summary:
This fixes shrinking of elements which are in a non stretch alignment, but keeps the legacy stretch behaviour in place. Additionally this adds a testcase for ```useLegacyStretchBehaviour```

Fixes #633
Closes https://github.com/facebook/yoga/pull/635

Differential Revision: D6408037

Pulled By: emilsjolander

fbshipit-source-id: 377ab0308dd3a75a148a0af31ab5eb3ffb5b5d83
2017-11-27 03:14:59 -08:00
Lukas Wöhrl
a69545a6ae Fix justify content with min/max constraint parent
Summary:
The min/max inner width shouldn't take the margins into account.
Adds a test for both cases.

Fixes #664
Closes https://github.com/facebook/yoga/pull/665

Differential Revision: D6407982

Pulled By: emilsjolander

fbshipit-source-id: ffa549a06f802263e3b8488e90756aa3f722d52d
2017-11-24 07:24:51 -08:00
Emil Sjolander
3a0a86788e Revert D5874862: [yoga][PR] Fix shrinking in non strech alignments
Summary:
This reverts commit 1426aa6b60f6ba42c2be702e6f24cea935ab7acb

bypass-lint

Differential Revision: D5874862

fbshipit-source-id: 24517d26b18c11fb9f75c6d3b5faae360711ea9e
2017-09-21 03:41:19 -07:00
Lukas Wöhrl
a77aa9a41e Fix shrinking in non strech alignments
Summary:
This fixes shrinking of elements which are in a non stretch alignment

Fixes #633
Closes https://github.com/facebook/yoga/pull/634

Differential Revision: D5874862

Pulled By: emilsjolander

fbshipit-source-id: 1426aa6b60f6ba42c2be702e6f24cea935ab7acb
2017-09-20 13:30:39 -07:00
Lukas Wöhrl
ca2c607f90 The total flex factores need to be a minimum of 1 if any
Summary:
The only thing I found in the spec for this change is the following. Not exactly sure if this is the thing this PR is about:

> For each flex item, subtract its outer flex base size from its max-content contribution size. If that result is not zero, divide it by (if the result was positive) its **flex grow factor floored at 1** or (if the result was negative) by its scaled flex shrink factor, having **floored the flex shrink factor at 1**. This is the item’s max-content flex fraction.

But at least it seems a required change.

Fixes facebook/yoga#566
Closes https://github.com/facebook/yoga/pull/572

Differential Revision: D5264388

Pulled By: emilsjolander

fbshipit-source-id: 0004d1c3b9bad070a98cd6766c1adc06a54475f8
2017-06-16 07:46:06 -07:00
Lukas Wöhrl
a20bde8444 Fix absolute position if wrap-reverse and align-items: flex-end
Summary:
This is a fix on top of 56b10fc. It takes the case into account were you have `wrap-reverse` and `align-items: flex-end` set.
Closes https://github.com/facebook/yoga/pull/568

Differential Revision: D5155521

Pulled By: emilsjolander

fbshipit-source-id: 7e5fcfa2fbb48b6c6279da46cc648a071ff2b079
2017-06-01 05:41:25 -07:00
Emil Sjolander
56b10fc35b Fix absolute positioning in reverse wrapping container
Summary: aligning with odd web behaviour

Reviewed By: gkassabli

Differential Revision: D5144145

fbshipit-source-id: da6ef999ec0aabacf499017d1cfa81fc8f66e4bd
2017-05-29 07:57:00 -07:00
yihuang
629e401deb Fix right/bottom in absolute layout.
Summary:
1, Change bottom to be based� on height of parent.
2, Respect margin value when layout with right/bottom.
Closes https://github.com/facebook/yoga/pull/552

Differential Revision: D5102090

Pulled By: emilsjolander

fbshipit-source-id: dca291413ffc2027d7628f4c8b8eeeb0b4823bc2
2017-05-22 02:56:41 -07:00
Georgiy Kassabli
f2612192c5 Fixing using flex in root node
Summary: We should always try to make root node as small as possible, while previously this wasn't functioning this way

Reviewed By: emilsjolander

Differential Revision: D5071164

fbshipit-source-id: b8afef42477d0ed87d0c9fcfd26349e0a0babd6e
2017-05-17 07:28:30 -07:00
Emil Sjolander
b2b0c7ee37 Fix typo causing wrapped children to be sized by wrong axis margin
Summary: Fixes https://github.com/facebook/yoga/issues/548

Reviewed By: passy

Differential Revision: D5044470

fbshipit-source-id: 7d203dd48b258a5fe5c4b3c493099092a1d334db
2017-05-12 09:12:51 -07:00
Emil Sjolander
488a7c1fe0 Include margin when calculating if children overflow
Summary: Include margin when calculating if children overflow

Reviewed By: passy

Differential Revision: D5044471

fbshipit-source-id: e7c1eb694445ffb898bcf375d9deefc558c49f11
2017-05-12 09:12:51 -07:00
Emil Sjolander
85c2e406e4 Fix flex basis not accounting for max size constraint
Summary: Fix flex basis not being constraint to the max size in the main direction. Previously this caused the added test to fail due to NaN in child dimensions.

Reviewed By: gkassabli

Differential Revision: D5044314

fbshipit-source-id: d9f9db832e4943a57a89c9d162ff6077b709795a
2017-05-12 09:12:51 -07:00
Lukas Wöhrl
203577724e Fix sizing of non strech items
Summary:
Fixes the sizing of items so that under most scenarios it calcultes its height by it's content for non exact measurings. This introduces a new useLegacyStretchBehaviour flag on the config to opt out of this change as it is breaking.

See facebook/yoga#505
Closes https://github.com/facebook/yoga/pull/506

Reviewed By: astreet

Differential Revision: D4954016

Pulled By: emilsjolander

fbshipit-source-id: d28bd5d174cd76951fb94df85e3b0cfab7f81ff7
2017-04-28 06:27:14 -07:00
Emil Sjolander
3db38f2a80 Remove rounding from experimental features
Summary: Rounding has been successfully adopted by multiple products and frameworks. Time to move it out of experimental mode. Rounding can still be turned of by setting the point scale factor to 0 on the config.

Reviewed By: gkassabli

Differential Revision: D4953838

fbshipit-source-id: 3ee5f27d92f95b3ed4a01c98bc35e9157f2e91c5
2017-04-27 07:14:29 -07:00
Lukas Wöhrl
3178e3bf15 Fix flex-wrap with max constraint
Summary:
Fixes `flex-wrap` with a max constraint and `justify-content`. Fixes facebook/yoga#514.
Closes https://github.com/facebook/yoga/pull/519

Differential Revision: D4953727

Pulled By: emilsjolander

fbshipit-source-id: 32dec48220be1392ea8dac5f34871d407eb8d49b
2017-04-26 11:46:23 -07:00
Valentin Shergin
aa5b296ac7 New round-to-pixel-grid algorithm that fixes possible subpixel gaps between sibling nodes
Summary:
This diff introduces new, little bit sophisticated round-to-pixel-grid algorithm.

**Motivation:**

Previous simple and straightforward solution works in most cases but sometimes produce the not-so-great result. A while ago Nick Lockwood described this problem and proposed the solution in RN's RCTShadowView class:

For example, say you have the following structure:

  // +--------+---------+--------+
  // |        |+-------+|        |
  // |        ||       ||        |
  // |        |+-------+|        |
  // +--------+---------+--------+

Say the screen width is 320 pts so the three big views will get the following x bounds from our layout system:
{0, 106.667}, {106.667, 213.333}, {213.333, 320}
Assuming screen scale is 2, these numbers must be rounded to the nearest 0.5 to fit the pixel grid:
{0, 106.5}, {106.5, 213.5}, {213.5, 320}
You'll notice that the three widths are 106.5, 107, 106.5.

This is great for the parent views but it gets trickier when we consider rounding for the subview. When we go to round the bounds for the subview in the middle, it's relative bounds are {0, 106.667} which gets rounded to {0, 106.5}. This will cause the subview to be one pixel smaller than it should be. This is why we need to pass in the absolute position in order to do the rounding relative to the screen's grid rather than the view's grid. After passing in the absolutePosition of {106.667, y}, we do the following calculations:
absoluteLeft = round(absolutePosition.x + viewPosition.left) = round(106.667 + 0) = 106.5
absoluteRight = round(absolutePosition.x + viewPosition.left + viewSize.width) + round(106.667 + 0 + 106.667) = 213.5
width = 213.5 - 106.5 = 107

You'll notice that this is the same width we calculated for the parent view because we've taken its position into account.

I believe this is awesome. I also believe that we have to decouple this logic from RN and put it into awesome Yoga. So I did it in this diff.

**Fun fact:**
The original implementation of this algorithm in RN had (and still have) a bug, which was found by Dustin dshahidehpour and fixed in D4133643. Therefore that diff was unlanded because it broke something unrelated inside RN text engine. I will fix that problem in RN later.

**Why do we need to change test methodology?**
Because the way we receive layout metrics from Chrome browser actually directly related to rounding problem. Previously we used `offsetHeight` and `offsetWidth` properties of the DOM node, which contain naively rounded values from `computedStyle` or `getBoundingClientRect`. (Which is we are trying to fix!) So, I added the new function that computes node size using two-step-rounding approach, conceptually similar to one that implemented in Yoga. Note: Chrome browser performs rounding layout as part of rendering process and actual values that can ve computed by counting actual pixel are different from these natively rounded ones.

**Why do some tests now have different desired values?**
These changes actually prove that my approach is correct and more useful for actual view rendering goals. So, let's take a look at test with changed values `rounding_fractial_input_3`:
Previously: 64+25+24=114 (Incorrect!)
Now: 65+24+25=114 (Correct!)
Previously: 64+25+24=114 (Incorrect!)
Now: 65+24+25=114 (Correct!)

Reviewed By: emilsjolander

Differential Revision: D4941266

fbshipit-source-id: 07500f5cc93c628219500e9e07291438e9d5d36c
2017-04-25 17:43:13 -07:00
Georgiy Kassabli
cb612bcfbe Correcting Flex fix within Experimental feature
Summary: This diff corrects the fix to be limited only to cases when either element itself or all of it's children can't be flexed

Reviewed By: emilsjolander

Differential Revision: D4915189

fbshipit-source-id: efccee2fe39ed0f474a41dc3250d24c546f3f5d9
2017-04-19 13:27:52 -07:00
George Xu
3292337754 Revert D4875343: Correct fix for flexing grandchildren
Summary: This reverts commit 634e961f9798dff43eae2c6564b28c6629b816e0

Differential Revision: D4875343

fbshipit-source-id: 2949762bf47e151c8c0ff923d501859b3e0a567a
2017-04-13 18:15:40 -07:00
Emil Sjolander
4615eee2d8 Revert D4878875: [yoga][PR] Fix sizing of non strech items
Summary: This reverts commit ab1174ac7a76dcf20aae7b29a3bc396e11077c4d

Differential Revision: D4878875

fbshipit-source-id: 8927438e7a1969deb617434369af53f71f625638
2017-04-13 10:04:15 -07:00
Georgiy Kassabli
0d100ad7e9 Correct fix for flexing grandchildren
Summary: This diff adds correct fix for non-flexible child with flexible grandchildren

Reviewed By: emilsjolander

Differential Revision: D4875343

fbshipit-source-id: 634e961f9798dff43eae2c6564b28c6629b816e0
2017-04-13 08:46:20 -07:00
Lukas Wöhrl
0235789863 Fix sizing of non strech items
Summary:
Fixes the sizing of items so that under most scenarios it calcultes its height by it's content for non exact measurings. See facebook/yoga#505
Closes https://github.com/facebook/yoga/pull/506

Differential Revision: D4878875

Pulled By: emilsjolander

fbshipit-source-id: ab1174ac7a76dcf20aae7b29a3bc396e11077c4d
2017-04-13 07:41:52 -07:00
Lukas Wöhrl
e9927377b5 Fix position on root node with RTL direction
Summary:
If the root node has a position and we have a RTL layout, that position must be like LTR direction. See #477.
Closes https://github.com/facebook/yoga/pull/502

Differential Revision: D4867144

Pulled By: emilsjolander

fbshipit-source-id: b5ad3d87e7054090da12d7665a3d1abe8496a548
2017-04-11 13:11:05 -07:00
Lukas Wöhrl
b94466e502 Fix align-content: center, flex-end alignment with margin
Summary:
This fixes ```align-content: center``` and ```align-content: flex-end``` when the child exceeds the parents size. See #476. It also fixes those layouts if the child has ```margin: auto``` set.
Closes https://github.com/facebook/yoga/pull/477

Differential Revision: D4697833

Pulled By: emilsjolander

fbshipit-source-id: d081ec7ea559a5f2bd3271c3a4dc272960beddfa
2017-03-15 05:31:38 -07:00
Lukas Wöhrl
09f0c2d8ce Take margin into account on max dimension
Summary:
We need to take the margin into account if we clip on max dimension. Fixes #466.
Closes https://github.com/facebook/yoga/pull/467

Differential Revision: D4681342

Pulled By: emilsjolander

fbshipit-source-id: 56311df9864a284d553c31f1c6db382f337f1fad
2017-03-09 03:56:00 -08:00
Lukas Wöhrl
01bf8d7b6c Add unittest for percentage width inside absolute layout
Summary:
Added unittest to constraint layout of percentage width inside absolute parent. See #454.
Closes https://github.com/facebook/yoga/pull/456

Differential Revision: D4674103

Pulled By: emilsjolander

fbshipit-source-id: 569a762e5a2b4ac80cd79bfbc9abfe57ada74dc9
2017-03-08 09:26:08 -08:00
Emil Sjolander
e7d2792009 Add another nested percentage test
Summary: Add test covering a nested percentage container inside of a unconstraint container. This is something we ran into recently and want to make sure to cover in tests.

Reviewed By: astreet

Differential Revision: D4637519

fbshipit-source-id: a8fe3c7702c2ea0ad954cce80fbdf953bb23c997
2017-03-03 10:26:40 -08:00
Emil Sjolander
8668e43f6d Fix margin auto for start and end values
Summary: Margin auto was not handling start/end margins correctly

Reviewed By: astreet

Differential Revision: D4627339

fbshipit-source-id: eebf64e79a34331e79cffcfa3662d4938fbd6c13
2017-03-01 09:27:52 -08:00
Georgiy Kassabli
3ef2970032 Yoga test failure for flexing with min stack dimension
Summary: Test fails when we have flexible child and min/max layout dimension. Yoga should flex the child to minimal size, while in reality Yoga flexes it to maximal size

Reviewed By: emilsjolander

Differential Revision: D4558653

fbshipit-source-id: 06b38d7ed43aee063cc881f38b84558641f043f3
2017-02-28 16:28:54 -08:00
Lukas Wöhrl
17e3dca9f9 Fix percentage in flexing parent
Summary:
If we don't measure exactly, percentage values aren't exactly either. Fix for #414.
Closes https://github.com/facebook/yoga/pull/416
Closes https://github.com/facebook/yoga/pull/414

Reviewed By: astreet

Differential Revision: D4604729

Pulled By: emilsjolander

fbshipit-source-id: 66880230073209cbe89668b838c2a82e7f9b34df
2017-02-28 07:12:05 -08:00
Lukas Wöhrl
4f5c7ed6af Fix align-content:strech overriding align-item
Summary:
Fix for #413. This was a hangover from a previous attept to fix other align-content problems.
Closes https://github.com/facebook/yoga/pull/417

Reviewed By: astreet

Differential Revision: D4604727

Pulled By: emilsjolander

fbshipit-source-id: 92fd31a385d8182c6b201c891d5ae478372d525d
2017-02-23 08:31:05 -08:00
Emil Sjolander
6b39165801 Fix behaviour of wrapping container within align-items: not stretch
Summary: When a container's children wrap the container should match the parent size and not wrap to the new size of the children. This is confirmed behavior in chrome.

Reviewed By: astreet

Differential Revision: D4578614

fbshipit-source-id: 5d22a3a673735587384d775189158a87bb1d457d
2017-02-20 07:28:42 -08:00
Lukas Wöhrl
20536923d6 flex-wrap: wrap-reverse support
Summary:
I couldn't resist to do this 😄 #394

This adds ```flex-wrap: wrap-reverse```

I think we hit a edge case here:
https://stackoverflow.com/questions/33891709/when-flexbox-items-wrap-in-column-mode-container-does-not-grow-its-width

as is differs here from chrome, but I think that yoga is here more correct.

So I haven't added this test yet as this would fail against chrome, as chrome outputs a width of 30 for root, whereas yoga gets a width of 60 here, which I think is correct. Strangely the output of ```flex-wrap:wrap``` is in jsfiddle also only with a (visual) width of 30 on chrome, while the tests gets generated with 60.

```html
<div id="wrap_reverse_column" style="height: 100px; flex-wrap: wrap-reverse">
  <div style="height: 30px; width: 30px;"></div>
  <div style="height: 30px; width: 30px;"></div>
  <div style="height: 30px; width: 30px;"></div>
  <div style="height: 30px; width: 30px;"></div>
</div>
```

Looking forward what you think here emilsjolander
Closes https://github.com/facebook/yoga/pull/398

Reviewed By: astreet

Differential Revision: D4564711

Pulled By: emilsjolander

fbshipit-source-id: 33dc055abd8444b2aa7796ef90bd7ec99e961bb8
2017-02-15 13:42:47 -08:00
Lukas Wöhrl
1146013e9e Feature auto margin
Summary:
Even so I know there are some opinions against ```margin: 0 auto``` it's still part of the spec: https://www.w3.org/TR/css-flexbox-1/#auto-margins and pretty usefull if you have to position via ```justify-content```.

This PR adds an implementation for that.

It adds an additonal ```YGUnitAuto``` and margins got ```YGNodeStyleSetMarginAuto``` functions as well.
Closes https://github.com/facebook/yoga/pull/357

Reviewed By: astreet

Differential Revision: D4501142

Pulled By: emilsjolander

fbshipit-source-id: 86519f8632496f46e78a7c9dbc5b21e212e3e0c7
2017-02-14 14:27:48 -08:00