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+From: micah anderson <micah@riseup.net>\r
+To: Carl Worth <cworth@cworth.org>, notmuch@notmuchmail.org\r
+In-Reply-To: <87vde4derz.fsf@yoom.home.cworth.org>\r
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+Date: Wed, 10 Feb 2010 22:57:41 -0500\r
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+Subject: Re: [notmuch] emacs: On getting support for inline images\r
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+On Wed, 10 Feb 2010 12:20:00 -0800, Carl Worth <cworth@cworth.org> wrote:\r
+> I investigated a bit and discovered that the images are being rendered\r
+> within emacs and inside of a temporary buffer that is being used by the\r
+> function invoked by 'v'. Before this function returns, the temporary\r
+> buffer including the nicely inline-rendered image is being killed. (And\r
+> I suspect the exact same thing is happening with encrypted messages\r
+> where hitting 'v' gets emacs to prompt for the passphrase, but then\r
+> nothing is displayed to the user.)\r
+>=20\r
+> I was able to get images working by customizing the\r
+> mm-inline-media-tests variable. I removed the image/png clause from the\r
+> value, and now when I hit 'v' I get a nice, external image viewer as\r
+> configured in /etc/mailcap, etc.\r
+>=20\r
+> Here are some ideas for possible (and independent) fixes:\r
+>=20\r
+> 1. With the current setup, we know we are using a temporary buffer that\r
+> the user won't see, so notmuch could temporarily set\r
+> mm-inline-media-tests to nil forcing everything to use external\r
+> viewers when the user presses 'v'.\r
+\r
+This would leave encrypted messages in a weird spot. What external\r
+viewer would you want to be launched when you press 'v' on an encrypted\r
+message? I'd like it to be emacs myself, and even better I want it to be\r
+in notmuch/mml-mode so I can reply to it and get quoting. Although this\r
+option seems like the easiest solution, it avoids the problem, and\r
+unfortunately not very well. Emacs can display images and PDFs fine too,\r
+it just can't do openoffice documents, yet ;)\r
+\r
+> 2. The original presentation of Mime parts could examine\r
+> mm-inline-media-tests and directly render anything possible within\r
+> the original presentation of the message. This would allow images to\r
+> be viewed directly without requiring the user to press 'v'. And the\r
+> user could configure this existing variable to control what content\r
+> is displayed inline.\r
+\r
+This seems like the right way to handle things in the emacs mode.\r
+\r
+> 3. We could move away from these various mm- functions for displaying\r
+> MIME parts and simply add functionality to the notmuch command line\r
+> for extracting individual MIME parts from messages, (which is\r
+> something that a non-emacs client will likely want anyway). Then we\r
+> can use the lower-level functions to display things directly. (For\r
+> example, displaying an image looks as simple as calling the\r
+> create-image and put-image functions).\r
+\r
+I would think that the mm functions are probably pretty battle-tested\r
+and have been in a lot of very careful honing over the years. They\r
+probably do the right thing, and do it well because a lot of work has\r
+gone into getting them right. I'm sure there is a big here and there,\r
+but still it seems like it would be a shame not to use something that\r
+has a pretty full feature-set.=20\r
+\r
+On the other-hand, I see your point about non-emacs clients, and the\r
+command-line having the ability to parse our MIME parts. Perhaps there\r
+is room for both to play?\r
+\r
+micah\r
+\r
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projects / notmuch-archives.git / commitdiff