I'm confused by this - what is npd.xul? I searched the mozilla website but have not found it.
It is the newsgroup netscape.public.dev.xul (I'm sure there's a mail gateway too, but I don't know the alias). I'm sorry about the abbreviation (this NG is known as npm.xpcom).
Also, I'm trying to connect the toolbar to some funky C++ code - which will require XPCOM. Is it the case that I can make an XPCOM widget "listen" to the buttons on the dynamic overlay?
XPCOM is the "core" object model that allows everything to happen. You will be using XPCOM, whether you implement your toolbar code is JS or C++, but this NG is mainly for core-level problems like registering components.
Have added the following as per your advice...
[mozilla]/chrome/mydir/myxul.xul [mozilla]/chrome/mydir/contents.rdf
and to installed-chrome.txt -
content,install,url,resource:/chrome/mydir/myxul.xul
It should be mydir/ not mydir/myxul.xul Try doing that edit, and then remove [mozilla]/chrome/chrome.rdf . The chrome registry will rebuild the chrome.rdf cache from the installed-chrome.txt file.
So far... with none of these variations have I seen the toolbar in a browser, and with some I have managed to kill mozilla completely!
Do you know how overlays work yet, matching the ID of the overlayed document and the overlay doc? If not, see the xulplanet.com XUL tutorial (there is a section near the end on overlays and dynamic overlays).
This would probably be a lot easier for you if you didn't worry about dynamic overlays yet. Build mozilla for yourself using flat chrome (or symlinked chrome on *nix), and manually edit navigator.xul with an <?xul-overlay?> directive. When you build mozilla yourself, stick to a release version; the source for 1.5 would be a good bet, or the 1.6 branch which is pretty stable.
--BDS
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