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Support Article

Cursor moves along with the screen while scrolling in Safari

SA-12461

Summary



In iPAD, Safari browser, a cursor set in a text field moves along with the screen when scrolling up and down.

Error Messages



Not Applicable

Steps to Reproduce



1. Open any skin rule in a Developer Portal on iPad (Safari browser). 

2. On the right hand side of the skin rule, in the preview panel, set the focus on a text input (say Last Name). 

3. Scroll up and down to observe that the cursor shifts while scrolling. 


Root Cause



This is a known IOS Safari webkit 7/ 8 issue which occurs when one uses webkit-overflow-scrolling: touch on the container element. 

Resolution



This is not an issue with Pega but with iOS safari webkit 7 and 8. if the CSS property webkit-overflow-scrolling:touch, the native elastic scroll will be lost which makes scrolling very slow. 

The cursor blink is momentary and dominantly visible only when one scrolls though a lengthy content. 

For now iOS Safari webkit users have to live with this limitation or give-up the elastic scroll.

Another cause of the issue is with the IAC Gadget Div styles as it does not have enough height. One may also notice the issue in iframes where iframe content is bigger than Height of the Div enclosing that iframe. 

In such a case, change the IAC gadget Div height/width logic embedding the PRPC IAC accordingly.

Published July 29, 2015 - Updated October 8, 2020

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