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Fix linear moves #10

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merged 3 commits into from
Aug 26, 2024
Merged

Fix linear moves #10

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2797a92
Fix outdated docs for 'focusInitial'
knuton Aug 26, 2024
0ae55d3
Add regression test for linear groups with full size items
knuton Aug 26, 2024
95eaa8f
Fix linear moves with large elements
knuton Aug 26, 2024
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32 changes: 32 additions & 0 deletions cypress/e2e/spec.cy.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -186,6 +186,38 @@ describe("focus-shift spec", () => {
])
)

it(
"linear-type group with stretched item LR",
testFor("./cypress/fixtures/group-linear-stretch.html", { className: "rows" }, [
{ eventType: "keydown", selector: "#button-big", options: keyevent({ key: "ArrowLeft" }) },
{ eventType: "keydown", selector: "#button-small", options: keyevent({ key: "ArrowDown" }) }
])
)

it(
"linear-type group with stretched item RL",
testFor("./cypress/fixtures/group-linear-stretch.html", { className: "rows" }, [
{ eventType: "keydown", selector: "#button-big", options: keyevent({ key: "ArrowRight" }) },
{ eventType: "keydown", selector: "#button-small", options: keyevent({ key: "ArrowDown" }) }
])
)

it(
"linear-type group with stretched item TD",
testFor("./cypress/fixtures/group-linear-stretch.html", { className: "columns" }, [
{ eventType: "keydown", selector: "#button-big", options: keyevent({ key: "ArrowDown" }) },
{ eventType: "keydown", selector: "#button-small", options: keyevent({ key: "ArrowRight" }) }
])
)

it(
"linear-type group with stretched item DT",
testFor("./cypress/fixtures/group-linear-stretch.html", { className: "columns" }, [
{ eventType: "keydown", selector: "#button-big", options: keyevent({ key: "ArrowUp" }) },
{ eventType: "keydown", selector: "#button-small", options: keyevent({ key: "ArrowRight" }) }
])
)

it(
"memorize-type group TD",
testFor("./cypress/fixtures/group-memorize.html", { className: "rows" }, [
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29 changes: 29 additions & 0 deletions cypress/fixtures/group-linear-stretch.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="stylesheet" href="styles.css" />
<style>
.nav-group {
width: 800px;
height: 600px;
}
#button-big {
align-self: stretch;
}
#button-small {
align-self: center;
}
</style>
</head>
<body>
<!-- With two group items, one spanning the entire length along the
direction of movement, we expect this expansive item to be chosen.
-->
<div class="nav-group" data-focus-group="linear">
<button id="button-big">Big Button</button>
<button id="button-small">Small Button</button>
</div>
<script src="../../index.js"></script>
</body>
</html>
4 changes: 2 additions & 2 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@ function handleUserDirection(direction) {
* Standard heuristics are used to determine which element should be the first to receive focus.
*
* 1. Look for elements with explicit tabindex attribute set, choose lowest index > 0
* 2. If no tabindex was set, treat container as a 'first' group
* 2. If no tabindex was set, treat container as a 'linear' group
*
* @param {Direction} direction
* @param {Element} container
Expand Down Expand Up @@ -515,7 +515,7 @@ function focusActiveElement(direction, origin, group) {
function focusLinear(direction, origin, group) {
const originPoint = makeOrigin(opposite(direction), origin)
const candidates = getFocusableElements(group).map((candidate) =>
annotate(opposite(direction), origin, candidate)
annotate(direction, origin, candidate)
)
const bestCandidate = getMinimumBy(candidates, (candidate) =>
euclidean(originPoint, candidate.point)
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