1378591 - Responsive design mode with touch mode on: Select boxes are unselectable

Status: RESOLVED DUPLICATE of bug 1318661

(DevTools :: Responsive Design Mode, defect, P3)

Description

[Andrew]

User Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:54.0) Gecko/20100101 Firefox/54.0
Build ID: 20170608105825

Steps to reproduce:

Enable Responsive Design Mode, select a device, activate the TOUCH SIMULATION mode.


Actual results:

All select lists now refuse to drop-down themselves when clicked (or touched).


Expected results:

Select options should've been shown as with regular clicks (no touch simulation mode). This happens on all websites, therefore, it's not a problem with my app.

Comment 1

[J. Ryan Stinnett [:jryans] (Use needinfo, replies may be slow)]

Thanks for filing this!  I would guess that the touch simulator's handling of mouse events prevents the `mozshowdropdown` event from being sent, blocking the drop down list from being shown.

Changing to a more realistic mobile simulation through something like bug 1282089 would be a nice way to resolve this.