Looks like I won't be either. Somebody here made the suggestion that after inserting the new item and deleting the old item that I just force the selection of the item I want and get on to my other tasks. Oh well....
Dave Williss ----- Original Message ----- From: "Danny Backx" <[EMAIL PROTECTED]> To: "Dave Williss" <[EMAIL PROTECTED]> Sent: Wednesday, August 25, 2004 10:37 AM Subject: Re: [Lesstif-discuss] Error in XmList > I won't be working on it today. > > Danny > > On Wed, 2004-08-25 at 16:13, Dave Williss wrote: > > Unless somebody is already working on the rest of > > this problem, I should have time (I hope) to look at it > > myself tomorrow. > > > > -- Dave Williss > > > > ----- Original Message ----- > > From: "Dave Williss" <[EMAIL PROTECTED]> > > To: "Danny Backx" <[EMAIL PROTECTED]> > > Cc: <[EMAIL PROTECTED]> > > Sent: Monday, August 23, 2004 10:01 AM > > Subject: Re: [Lesstif-discuss] Error in XmList > > > > > > > It works better. > > > > > > After the Insert/Delete, nothing is selected and retrieving the > > > list of selected items correctly reports the same. > > > > > > However... > > > > > > Checking a previous version of our software which used > > > Motif, I see that after the Insert/Add operation, the newly > > > added item became selected when deleting the selected > > > item. > > > > > > This is consistent with the comment about a quirk of Motif > > > in _XmListDeletePos, however, it's not getting into that bit > > > of code because position (2) does not == List_LastHLItem(w) > > > (which is still 1) So it looks like Insert needs to adjust > > > LastHLItem. > > > > > > Fixing this would at least visually make it the same as > > > Motif. I don't know if Motif issues callbacks telling the > > > program about the change in selection. One would think > > > that logically it should. > > > > > > > > > ----- Original Message ----- > > > From: "Danny Backx" <[EMAIL PROTECTED]> > > > To: "Martin Simmons" <[EMAIL PROTECTED]> > > > Cc: <[EMAIL PROTECTED]>; "LessTif Mailing List" > > > <[EMAIL PROTECTED]> > > > Sent: Sunday, August 22, 2004 3:39 AM > > > Subject: Re: [Lesstif-discuss] Error in XmList > > > > > > > > > > I expect the problem described in Dave's message to be fixed now. > > > > > > > > Dave, can you verify ? > > > > > > > > Danny > > > > > > > > On Fri, 2004-08-20 at 19:11, Martin Simmons wrote: > > > > > >>>>> On Fri, 20 Aug 2004 10:56:16 -0500, "Dave Williss" > > > <[EMAIL PROTECTED]> said: > > > > > > > > > > Dave> ----- Original Message ----- > > > > > Dave> From: "Martin Simmons" <[EMAIL PROTECTED]> > > > > > Dave> To: <[EMAIL PROTECTED]> > > > > > Dave> Cc: <[EMAIL PROTECTED]> > > > > > Dave> Sent: Friday, August 20, 2004 4:39 AM > > > > > Dave> Subject: Re: [Lesstif-discuss] Error in XmList > > > > > > > > > > > > > > > >> >>>>> On Thu, 19 Aug 2004 16:57:07 -0500, "Dave Williss" > > > > > Dave> <[EMAIL PROTECTED]> said: > > > > > >> > > > > > Dave> There is an error in XmList... > > > > > >> > > > > > Dave> Starting condition: You have a list with one item and it's > > > > > Dave> selected. > > > > > Dave> Call XmListAddItemUnselected() to add another item before it. > > > > > Dave> Then XmListDeletePos() to delete the old item. > > > > > >> > > > > > Dave> Problem: When adding the new item, it does not adjust the > > > > > Dave> List_SelectedIndices, so the list still thinks item 1 (the > > first > > > > > Dave> one) is highlighted when actually it's item 2. > > > > > >> > > > > > >> Look like this could be related to bug # 916711 > > > > > >> > > > > > >> > > > > > Dave> > > > > > http://sourceforge.net/tracker/index.php?func=detail&aid=916711&group_id=8596&atid=108596 > > > > > >> > > > > > > > > > > Dave> Could be related, but this one is more nasty. When you add an > > > item and then > > > > > Dave> delete the selected item, we're OK with ending up with nothing > > > selected. > > > > > Dave> What's nasty here is that even though nothing is selected, > > when > > > you call > > > > > Dave> XmListGetSelectedPos, it still says that there's one item > > > selected and > > > > > Dave> returns a list of one random number (unitialized garbage from > > > the malloc > > > > > Dave> that was never filled in - if built for debugging, I think it > > > has the value > > > > > Dave> of 0xbaadf00d). We then try to use this item to index into an > > > array of > > > > > Dave> stuff and KA BOOM! > > > > > > > > > > Dave> A solution to this specific problem is pretty simple. In > > > > > Dave> XmListGetSelectedPos, we add selected items to the return list > > > using j as an > > > > > Dave> array index. When we're done, j is the real number of > > selected > > > items and > > > > > Dave> that's what it should return for the count. > > > > > Dave> That would solve this problem but hide the real problem which > > is > > > that > > > > > Dave> something isn't keeping track of the number of selected items > > > correctly in > > > > > Dave> the first place. > > > > > > > > > > Right. I think the underlying bug is that changing the items should > > > retain > > > > > the selected *items*, not the selected *indices*. If it did that then > > > adding > > > > > an item would adjust the selected indices from { 1 } to { 2 } and > > > deleting > > > > > item 2 would adjust the selected indices to nothing. > > > > > > > > > > I think that's what the Motif spec requires (e.g. the doc for the > > > > > XmNselectedItems resource mentions it being updated in certain cases). > > > > > > > > > > __Martin > > > > -- > > > > Danny Backx - danny.backx-at-planetinternet.be > > http://up.to/danny.backx > > > > > > > > > > > > > > > > ------------------------------------------------------- > > > > SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media > > > > 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 > > > > Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. > > > > http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 > > > > _______________________________________________ > > > > Lesstif-discuss mailing list > > > > [EMAIL PROTECTED] > > > > https://lists.sourceforge.net/lists/listinfo/lesstif-discuss > > > > > > > > > > > > > > > > ------------------------------------------------------- > > > SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media > > > 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 > > > Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. > > > http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 > > > _______________________________________________ > > > Lesstif-discuss mailing list > > > [EMAIL PROTECTED] > > > https://lists.sourceforge.net/lists/listinfo/lesstif-discuss > > > > > > > > > > > ------------------------------------------------------- > > SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media > > 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 > > Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. > > http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 > > _______________________________________________ > > Lesstif-discuss mailing list > > [EMAIL PROTECTED] > > https://lists.sourceforge.net/lists/listinfo/lesstif-discuss > -- > Danny Backx - danny.backx-at-planetinternet.be http://up.to/danny.backx > ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! 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