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regain focus when it gets lost by mistake#161
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39 changes: 37 additions & 2 deletionssrc/routes/tutorial/[slug]/Editor.svelte
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,5 @@ | ||
| <script> | ||
| import { dev } from '$app/environment'; | ||
| import { createEventDispatcher, onMount } from 'svelte'; | ||
| /** | ||
| @@ -36,6 +35,13 @@ | ||
| let w = 0; | ||
| let h = 0; | ||
| /** | ||
| * The iframe sometimes takes focus control in ways we can't prevent | ||
| * while the editor is focussed. Refocus the editor in these cases. | ||
| * This boolean tracks whether or not the editor should be refocused. | ||
| */ | ||
| let preserve_focus = true; | ||
dummdidumm marked this conversation as resolved. Show resolvedHide resolvedUh oh!There was an error while loading.Please reload this page. | ||
| onMount(() => { | ||
| let destroyed = false; | ||
| @@ -234,8 +240,37 @@ | ||
| } | ||
| </script> | ||
| <svelte:window | ||
| on:pointerdown={(e) => { | ||
| if (!container.contains(/** @type {HTMLElement} */ (e.target))) { | ||
| preserve_focus = false; | ||
| } | ||
| }} | ||
| /> | ||
| <div bind:clientWidth={w} bind:clientHeight={h}> | ||
| <div | ||
| bind:this={container} | ||
| on:keydown={(e) => { | ||
| if (e.key === 'Tab') { | ||
| preserve_focus = false; | ||
| setTimeout(() => { | ||
| preserve_focus = true; | ||
| }, 0); | ||
| } | ||
| }} | ||
| on:focusin={() => { | ||
| preserve_focus = true; | ||
| }} | ||
| on:focusout={() => { | ||
| if (preserve_focus) { | ||
| setTimeout(() => { | ||
| instance?.editor.focus(); | ||
| }, 0); | ||
| } | ||
| }} | ||
| /> | ||
| </div> | ||
| <style> | ||
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