Bug 116635 – ctrl-shift-click behaves as shift-click when multi-selecting in a listbox

• Status: UNCONFIRMED
• Component: Forms

[Michael]

This may be related to (or have the same root cause as) these existing bugs:
   https://bugs.webkit.org/show_bug.cgi?id=15816
   https://bugs.webkit.org/show_bug.cgi?id=28409

Confirmed in Safari and Chrome on Windows.
If one attempts to ctrl-shift-click in a listbox to select more than one range the behavior is as if the ctrl key is not pressed.

[Michael]

Browser versions when testing under Windows:
   Safari 5.1.7 (7534.57.2)
   Chrome 27.0.1453.94 m

Have also now confirmed same issue in OSX with the Command key:
   Safari 5.1.9 (6534.59.8)
   Chrome 27.0.1453.93

[Michael]

Just added a URL for a test case, as follows:
   http://www.siteexperts.com/tips/html/ts16/page1.asp

In the Listbox
- click "Option 1"
- shift-click "Option 2"
- ctrl-click "Option 4"
- ctrl-shift-click "Option 6"

Expected results: Option 1 and Option 2 should remain selected and Option 4, Option 5 and Option 6 should now be selected as well.

Actual results: Option 1 and Option 2 selection is cleared leaving only the more recent selection of Option 4, Option 5 and Option 6.