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What's here
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Inspired by
tortoisecvs and tortoisesvn,
I put together a couple context menu extensions of my own. Because I'm using
functions from tortoisesvn (and an icon from 7zip),
this code is necessarily under the GNU GPL, though, if viral licensing bothers
you, it wouldn't really be that hard to rewrite all the tortoisesvn functions.
The programs are very simple ATL / COM shell extensions in the style of the old
copy path extension on codeguru; however, they've been updated to have
improved icon quality using techniques from the
bitmap extension demo on code project, as well as a few choice pieces
of the tortisesvn source. I've implemented them all in msvc7, which will be
either annoying or helpful depending on what side of the fence you live on.
Here's source code for two simple context menu
extensions which just call external command line programs; and here's an
NSIS installer for
the same. The installer is included mostly for my own convience, without a copy
of the command line scripts that they call, the context menus won't
actually do anything.
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Notes on building context menus with COM and ATL
(aka, The document I wish I had had 48 hours ago.)
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Good example code / tutorials can be found at:
http://www.codeguru.com/Cpp/COM-Tech/shell/article.php/c1315/
http://www.codeproject.com/shell/overlayicon.asp
http://www.codeproject.com/shell/ShellExtGuide1.asp
For those of you with aversions to the microsoft SDKs: don't be afraid of the
MSVC ATL wizards, working with them is really the only way to get this sortof
thing done.
Also, buy/borrow/steal a copy of this book:
Visual C++ Windows Shell Programming (it's out of print, but there are a
lot of copies floating around on Kad. You're interested primarily in the second
half of chapter 15.)
And don't be afraid to poke around in the tortoise[cvs,svn] source, it's fairly
well organized and readable.
Cleaning up the registry: Use `regsvr32 /u` to take out the old registry entries for your dll
before messing with the .rgs file.
Close all copies of explorer before recompiling -- otherwise you may not be able
to write to the .dll.
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Notes on msvc7
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All of the preceding tutorials are in msvc6, and so
if you decide to work with msvc7, life will be slightly more complicated. The
wizards have changed a bit, and by default you'll be using a different version
of ATL.
Things that msvc7 coders should watch out for in particular:
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