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fix(grid): Recalculate horizontal size cache when scrolling horizontally with autosized columns#17426

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fix(grid): Recalculate horizontal size cache when scrolling horizontally with autosized columns#17426
mddragnev wants to merge 5 commits into
22.0.xfrom
mdragnev/fix-17392-22.0.x

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@mddragnev

@mddragnev mddragnev commented Jul 16, 2026

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Closes #17392

Description

Motivation / Context

Type of Change (check all that apply):

  • Bug fix
  • New functionality
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • Refactoring (no functional changes)
  • Documentation
  • Demos
  • CI/CD
  • Tests
  • Changelog
  • Skills/Agents

Component(s) / Area(s) Affected:

How Has This Been Tested?

  • Unit tests
  • Manual testing
  • Automated e2e tests

Test Configuration:

  • Angular version:
  • Browser(s):
  • OS:

Screenshots / Recordings

Checklist:

  • All relevant tags have been applied to this PR
  • This PR includes unit tests covering all the new code (test guidelines)
  • This PR includes API docs for newly added methods/properties (api docs guidelines)
  • This PR includes feature/README.MD updates for the feature docs
  • This PR includes general feature table updates in the root README.MD
  • This PR includes CHANGELOG.MD updates for newly added functionality
  • This PR contains breaking changes
  • This PR includes ng update migrations for the breaking changes (migrations guidelines)
  • This PR includes behavioral changes and the feature specification has been updated with them
  • Accessibility (ARIA, keyboard navigation, focus management) has been verified

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Pull request overview

Fixes a grid horizontal scrolling issue where auto-sized columns could leave a large gap at the end of the scroll area by ensuring the horizontal virtualization size cache is refreshed after auto-sizing updates column widths.

Changes:

  • Refreshes horizontal virtualization cache after auto-sizing updates column calcPixelWidth.
  • Adds a unit test intended to cover auto-sized columns when scrolled into view.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File Description
projects/igniteui-angular/grids/grid/src/grid-base.directive.ts Triggers virtualization cache refresh after columns are auto-sized.
projects/igniteui-angular/grids/grid/src/column.spec.ts Adds a regression test for auto-size behavior when horizontally navigating to columns.

Comment thread projects/igniteui-angular/grids/grid/src/grid-base.directive.ts
Comment thread projects/igniteui-angular/grids/grid/src/column.spec.ts Outdated
Comment thread projects/igniteui-angular/grids/grid/src/column.spec.ts Outdated
Comment thread projects/igniteui-angular/grids/grid/src/column.spec.ts
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3 participants