angular-ui/ui-grid

Touchscreen scolling + selection conflict

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#6,147 opened on Apr 4, 2017

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good first issue

Description

Hi, I am using ui-grid (v4.0.2 - 2016-12-30) with a linux touchscreen device, running chrome. My setup includes the following:

enableColumnMenus: false, enableFiltering: false, enableExpandableRowHeader: false, expandableRowTemplate: 'orderActions.html', expandableRowHeight: 35, enableRowSelection : true, selectionRowHeaderWidth: 0, enableFullRowSelection: true, multiSelect: false,

also, I expand a row upon selection. Everything works fine on a normal with mouse, but when I use the touchscreen to scroll, sometimes (especially on momentum scrolling action) rows are being selected when I only intend to scroll (drag).

Contributor guide

Tech stack
javascript
Domain
frontend
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
JavaScriptAngulartouch events
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
Investigate the touch event handling in the ui grid, specifically how scroll gestures are distinguished from selection gestures. Look at the row selection logic in the source code (e.g., GridRow.js or SelectionService). Consider reproducing the issue with a touchscreen device to understand the event flow. Check if there are existing fixes or related PRs.
Touchscreen scolling + selection conflict · angular-ui/ui-grid#6147 | Good First Issue