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Virtualize downloads table rows

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Add a custom download virtualizer with fixed 40px package rows, 38px file rows, overscan, and pinned rename rows.

Keep the downloads model logically complete so header selection, shift ranges, and actionable selections operate on every filtered expanded row instead of the rendered DOM window.

Render the virtualized body inside the existing downloads table scrollport without adding a second scroll context, while preserving column drag data attributes, row click behavior, context menus, and disabled native package dragging.

Cover bounded rendering, full logical row selection, scroll window geometry, pinned inline rename rendering, and responsive scrollport CSS with focused tests.
This commit is contained in:
Sucukdeluxe
2026-08-12 02:21:17 +02:00
parent 51b422fa10
commit 7af3587dfd
8 changed files with 391 additions and 100 deletions
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tests/responsive-ui.test.tsx
+9
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@@ -67,6 +67,15 @@ describe("responsive shell mode", () => {
expect(css).toMatch(/\.md-shell\.has-collapsed-sidebar:is\(\.is-compact, \.is-minimum\) \.md-shell-navigation\s*\{[^}]*padding-left:\s*44px;/s);
expect(css).toMatch(/@media \(max-width: 1120px\)[\s\S]*\.md-shell\.is-minimum \.md-shell-sidebar\.is-responsive-rail \.md-shell-sidebar-toggle\s*\{[^}]*top:\s*-46px;/s);
});
it("keeps the virtualized downloads body inside the existing table scrollport", () => {
const css = readFileSync(new URL("../src/renderer/views/downloads/downloads.css", import.meta.url), "utf8");
expect(css).toMatch(/\.downloads-table\s*\{[^}]*overflow-x:\s*auto;[^}]*overflow-y:\s*auto;/s);
expect(css).not.toMatch(/\.downloads-table-body\s*\{[^}]*overflow(?:-y)?:\s*auto;/s);
expect(css).toMatch(/\.downloads-virtual-spacer\s*\{[^}]*height:\s*var\(--downloads-virtual-total-height\);/s);
expect(css).toMatch(/\.downloads-virtual-row\s*\{[^}]*position:\s*absolute;/s);
});
});
describe("focus restoration", () => {