Keyboard selection of messages skips first entry



MailNews: Message Display
13 years ago
12 years ago


(Reporter: Vic Ricker, Assigned: Scott MacGregor)


Firefox Tracking Flags

(Not tracked)




13 years ago
User-Agent:       Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040922
Build Identifier: version 0.6 (20040519)

I'm surprised that this hasn't been submitted already since I've been
experiencing it since Mozilla and now in Thunderbird but I couldn't find
anything in bugzilla.

Occasionally, keyboard selection (SHIFT+DOWN ARROW) skips the first entry.

Reproducible: Always
Steps to Reproduce:
1. Select a range of messages with the keyboard (SHIFT-UPARROW) starting lower
in the list, selecting toward the top.  Make sure to leave a few messages below
the selection.
2.Hit the DEL key to delete those messages.
3.Select a few messages, this time going downward.

Actual Results:  
The first press of SHIFT-DOWNARROW will unselect the current entry.  Successive
presses will select entries correctly.

Expected Results:  
The entry that is selected at the beginning of the select operation should stay

Comment 1

13 years ago
This is easy to reproduce with TB 0.8, and with Mozilla 1.7.2, Win2K; but I do 
not see the same symptom in Mozilla 1.8a5-1011.  I haven't installed a TB 
nightly, it might be fixed for that as well; I'll hold off confirming until I 
can verify that.

The symptom also exists in the browser -- for instance, the bookmark manager.
Maybe this is related to the patch in bug 219706?

> Successive presses will select entries correctly.

In my experience, this is not quite true; the actual items that are selected 
depends on the number of items that have been shift-selected in the first group.
Start selection on item[0].  
Select N items via (N-1) × shift-uparrow, then delete:
  item[1] is now selected.
  item[1] is unselected
  item[2] has the focus box, but is not selected
  item[2] is selected (and remains selected)
  item[3] has the focus box, but is not selected
... etc.
On the Nth shift-downarrow,
  item[N] is left unselected
  item{N+1] is selected (and has the focus rectangle, altho that's hard to see)

Subsequent presses continue to select as expected.

xref bug 164338
Component: Mail Window Front End → Mail Window Front End
OS: Linux → All
Product: Thunderbird → MailNews
Version: unspecified → Trunk

Comment 2

13 years ago
*** Bug 127976 has been marked as a duplicate of this bug. ***
Product: Browser → Seamonkey
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Last Resolved: 12 years ago
Resolution: --- → EXPIRED
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