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Unify scaled coordinates between web and native side.#2943

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@mbert/fix-scaled-coordinates
Jun 14, 2024
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Unify scaled coordinates between web and native side.#2943
m-bert merged 4 commits intomainfrom
@mbert/fix-scaled-coordinates

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@m-bert m-bert commented Jun 13, 2024

Description

On android and iOS if you scale view and get relative coords, they will act like they were not scaled at all. Let's say that we have a square with size 100x100. If you click in the middle, x and y fields in event will both be 50. Now, if you scale this view by 2 (i.e. new size is 200x200) and click in the middle, you'll still get values of 50.

Web takes scale into account and on the above situation, second output would be 100. To unify this behavior we now divide coords by scale factors.

Test plan

Add console.log(e.x, e.y) in any example with scale, for example in transformations

@m-bert m-bert requested review from j-piasecki and latekvo June 13, 2024 11:39
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lgtm 🪨

j-piasecki
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@m-bert m-bert requested a review from j-piasecki June 14, 2024 07:18
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We also need something like that for rotation, don't we?

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m-bert commented Jun 14, 2024

@j-piasecki Probably we do, I've missed that so thanks for reminding me. Also, I think it will be better to do it in other PR, I hope you don't mind.

@m-bert m-bert merged commit f393b8e into main Jun 14, 2024
@m-bert m-bert deleted the @mbert/fix-scaled-coordinates branch June 14, 2024 08:18
@m-bert m-bert mentioned this pull request Jun 14, 2024
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m-bert added a commit that referenced this pull request Jun 14, 2024
@m-bert
[Web] Send relative coords in event. (#2944)
8110301 
## Description

Changes made in #2938 and #2939 allowed us to calculate `x` and `y` relative to given `View` with the same method on `PointerEvents` and `TouchEvents`. This PR changes logic in `GestureHandler` base class, so that now it sends relative coordinates calculated by tracker.

This change, combined with the one from #2943, makes handlers send correct relative coords.

> [!NOTE]
> New coords may not be correct if the `view` is rotated, or some of its ancestors are scaled. These cases will be handled in different PRs.

## Test plan

Copy snippet below and paste it into `transformNativeEvent` in `GestureHandler.ts`

<details>
<summary> Logs snippet </summary>

```jsx

    const rect = this.delegate.measureView();
    const old = {
      x: lastCoords.x - rect.pageX,
      y: lastCoords.y - rect.pageY,
    };

    console.table({
      oldX: old.x,
      oldY: old.y,
      newX: lastRelativeCoords.x,
      newY: lastRelativeCoords.y,
      dx: old.x - lastRelativeCoords.x,
      dy: old.y - lastRelativeCoords.y,
    });

```

</details>

Here's example video that shows difference between those calculations:


https://github.com/software-mansion/react-native-gesture-handler/assets/63123542/d3a0575c-3821-4d2a-ac96-a0c3a870a1f5
github-merge-queue bot referenced this pull request in valora-xyz/wallet Jun 26, 2024
@renovate
fix(deps): update dependency react-native-gesture-handler to ^2.17.1 (#…
7661d22 
…5575)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[react-native-gesture-handler](https://togithub.com/software-mansion/react-native-gesture-handler)
| [`^2.16.2` ->
`^2.17.1`](https://renovatebot.com/diffs/npm/react-native-gesture-handler/2.16.2/2.17.1)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/react-native-gesture-handler/2.17.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/react-native-gesture-handler/2.17.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/react-native-gesture-handler/2.16.2/2.17.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/react-native-gesture-handler/2.16.2/2.17.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>software-mansion/react-native-gesture-handler
(react-native-gesture-handler)</summary>

###
[`v2.17.1`](https://togithub.com/software-mansion/react-native-gesture-handler/releases/tag/2.17.1)

[Compare
Source](https://togithub.com/software-mansion/react-native-gesture-handler/compare/2.17.0...2.17.1)

#### 🐛 Bug fixes

- Don't register `checkIntegrityBetweenArchitectures` task when
installed as a dependency by
[@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[#&#8203;2953](https://togithub.com/software-mansion/react-native-gesture-handler/issues/2953)

**Full Changelog**:
software-mansion/react-native-gesture-handler@2.17.0...2.17.1

###
[`v2.17.0`](https://togithub.com/software-mansion/react-native-gesture-handler/releases/tag/2.17.0)

[Compare
Source](https://togithub.com/software-mansion/react-native-gesture-handler/compare/2.16.2...2.17.0)

#### ❗ Important changes

- Add `ref` property to `Buttons` by
[@&#8203;m-bert](https://togithub.com/m-bert) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2903](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2903)
- Unify touch events callbacks on `web` with respect to `Android` by
[@&#8203;m-bert](https://togithub.com/m-bert) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2923](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2923)
- Add `touchType` to `TouchEvent` by
[@&#8203;latekvo](https://togithub.com/latekvo) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2941](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2941)

#### 👍 Improvements

- Refactor `GestureDetector` by
[@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2901](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2901)
- Remove lodash by [@&#8203;m-bert](https://togithub.com/m-bert) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2916](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2916)
- `PointerTracker` refactor. by
[@&#8203;m-bert](https://togithub.com/m-bert) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2931](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2931)
- Change `offsetX` and `offsetY` calculations in `PointerEventManager`
by [@&#8203;m-bert](https://togithub.com/m-bert) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2938](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2938)

#### 🐛 Bug fixes

- Make `RootViewGestureHandler` handler cancel awaiting gestures by
[@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2900](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2900)
- Get right bridge by
[@&#8203;piaskowyk](https://togithub.com/piaskowyk) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2886](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2886)
- Fix buttons getting stuck after scrolling on them by
[@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2693](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2693)
- Fix Detector creating and attaching all gestures twice on first mount
by [@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2914](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2914)
- Fix GestureDetector not working when its children change by
[@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2921](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2921)
- Fix GestureDetector not working correctly with suspense and recycling
by [@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2925](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2925)
- Fix nested buttons on the new architecture by
[@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2926](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2926)
- Unify scaled coordinates between `web` and `native` side. by
[@&#8203;m-bert](https://togithub.com/m-bert) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2943](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2943)
- \[Web] Send relative coords in event. by
[@&#8203;m-bert](https://togithub.com/m-bert) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2944](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2944)

#### 🔢 Miscellaneous

- Add information about `GestureHandlerRootView` area and change
component name in quick start section in docs. by
[@&#8203;m-bert](https://togithub.com/m-bert) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2899](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2899)
- Add Hire us section to docs by
[@&#8203;patrycjakalinska](https://togithub.com/patrycjakalinska) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2904](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2904)
- Bump ejs from 3.1.7 to 3.1.10 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2888](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2888)
- Bump tar from 6.2.0 to 6.2.1 in /e2e/web-tests by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2859](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2859)
- docs: add
[@&#8203;swmansion/t-rex-ui](https://togithub.com/swmansion/t-rex-ui) by
[@&#8203;kacperkapusciak](https://togithub.com/kacperkapusciak) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2895](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2895)
- Change navbar and footer to a reusable component by
[@&#8203;patrycjakalinska](https://togithub.com/patrycjakalinska) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2902](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2902)
- Add dark mode to button in `Hire us` section by
[@&#8203;patrycjakalinska](https://togithub.com/patrycjakalinska) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2908](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2908)
- Setup example app to use Expo by
[@&#8203;bohdanprog](https://togithub.com/bohdanprog) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2905](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2905)
- Revert "docs: add
[@&#8203;swmansion/t-rex-ui](https://togithub.com/swmansion/t-rex-ui)"
by [@&#8203;kacperkapusciak](https://togithub.com/kacperkapusciak) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2909](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2909)
- Bump [@&#8203;sideway/formula](https://togithub.com/sideway/formula)
from 3.0.0 to 3.0.1 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2910](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2910)
- docs: add
[@&#8203;swmansion/t-rex-ui](https://togithub.com/swmansion/t-rex-ui) by
[@&#8203;patrycjakalinska](https://togithub.com/patrycjakalinska) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2911](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2911)
- Fix symlink loop during pods installation by
[@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2917](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2917)
- Bump rexml from 3.2.6 to 3.2.8 in /FabricExample by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2915](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2915)
- Add animated header to the example app by
[@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2913](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2913)
- Add option to auto-open last example in the example app by
[@&#8203;j-piasecki](https://togithub.com/j-piasecki) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2918](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2918)
- Replace current theme components with `@swmansion/t-rex-ui` by
[@&#8203;patrycjakalinska](https://togithub.com/patrycjakalinska) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2906](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2906)
- Bump rexml from 3.2.6 to 3.2.8 in /MacOSExample by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2924](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2924)
- Bump rexml from 3.2.6 to 3.2.8 in /example by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2930](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2930)
- feat: automatically copy codegen artifacts to paper by
[@&#8203;maciekstosio](https://togithub.com/maciekstosio) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2933](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2933)
- Add swipeable example rewritten to new API by
[@&#8203;latekvo](https://togithub.com/latekvo) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2934](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2934)
- Fix new swipeable using useMemo with incomplete dependency list by
[@&#8203;latekvo](https://togithub.com/latekvo) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2937](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2937)
- docs: update Hire us links to directly lead to contact form by
[@&#8203;kacperkapusciak](https://togithub.com/kacperkapusciak) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2935](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2935)
- chore(types): add missing pointerType to GestureTouchEvent by
[@&#8203;mgcrea](https://togithub.com/mgcrea) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2928](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2928)
- Bump braces from 3.0.2 to 3.0.3 in /example by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2945](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2945)
- Bump braces from 3.0.2 to 3.0.3 in /e2e/web-tests by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2946](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2946)
- Bump ws from 6.2.2 to 6.2.3 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2947](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2947)
- Bump ws from 6.2.2 to 6.2.3 in /e2e/web-tests by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2948](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2948)
- Add `relativeCoords` average to `PointerTracker` by
[@&#8203;m-bert](https://togithub.com/m-bert) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2939](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2939)
- Add missing import in docs by
[@&#8203;piaskowyk](https://togithub.com/piaskowyk) in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2950](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2950)

#### New Contributors

- [@&#8203;bohdanprog](https://togithub.com/bohdanprog) made their first
contribution in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2905](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2905)
- [@&#8203;maciekstosio](https://togithub.com/maciekstosio) made their
first contribution in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2933](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2933)
- [@&#8203;mgcrea](https://togithub.com/mgcrea) made their first
contribution in
[https://github.com/software-mansion/react-native-gesture-handler/pull/2928](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2928)

**Full Changelog**:
software-mansion/react-native-gesture-handler@2.16.2...2.17.0

</details>

---

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