Spellcheck Extension for Arbitrary Web Pages

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IRC log of conversation about this extension:

12:14 <@dave> how hard would it be to add Tools > Spell-Check? 12:14 <@dave> i.e., for an arbitrary page vs. textbox 12:14 < shaver> good question 12:15 <@dave> or probably what I mean is Tools > Highlight Spelling Mistakes 12:19 < shaver> you'd want a presentation like the findbar? 12:19 <@dave> depends on use case, but that's one good one, yeah 12:19 <@dave> I'm thinking of being able to just underline all mispelled words on the page 12:23 < mfinkle> look into http://mxr.mozilla.org/seamonkey/source/editor/txtsvc/public/nsIInlineSpellChecker.idl 12:23 < mfinkle> it is keyed to use an editor 12:23 < mfinkle> but the code inside could be useful 12:23 <@dave> I should talk to enn I guess 12:24 < mfinkle> the red squiggle is done using a special kind of selection type 12:25 <@dave> mfinkle: yeah, I've seen that code before. 12:25 <@dave> the selection 12:25 < mfinkle> http://mxr.mozilla.org/seamonkey/source/extensions/spellcheck/src/mozInlineSpellChecker.cpp 12:25 <@dave> but this idl looks interesting 12:25 < mfinkle> is an inline spellcheck implementation for editors 12:26 < mfinkle> DoSpellCheck does some heavy lifting http://mxr.mozilla.org/seamonkey/source/extensions/spellcheck/src/mozInlineSpellChecker.cpp#1223 12:27 < mfinkle> whoops, down a few lines 12:28 <@dave> 1278 if (! editor) 12:28 <@dave> 1279 return NS_ERROR_FAILURE; 12:28 <@dave> hm 12:28 < mfinkle> yeah, but it seems to use ranges, so swapping in a document shouldn't be impossible 12:29 < mfinkle> and notice that mSpellCheck is an instance of the real spellcheck engine 12:29 <@dave> yeah 12:29 <@dave> I'm trying to find uses of editor, and it's thin 12:31 < mfinkle> well mSpellCheck is a nsIEditorSpellCheck 12:31 < mfinkle> must go deeper 12:33 < mfinkle> crap, nsISpellCheck is not public - wtf 12:33 <@dave> weird 12:33 < shaver> fixable, I bet 12:34 < mfinkle> I suppose building directly against the tree (instead of the sdk) is doable 12:34 <@dave> so this is a tree exercise vs. an ext 12:34 < mfinkle> kinda like vlad's canvas3d 12:34 < mfinkle> right 12:34 < shaver> no, it's an extension 12:34 < mfinkle> well, it can be an extension 12:34 < shaver> it's just not one that can use only frozen APIs 12:34 < mfinkle> but it needs the tree 12:34 < shaver> like basically any useful extension 12:34 <@dave> :) 12:34 < mfinkle> sadly 12:35 < mfinkle> but anyway - onward 12:35 <@dave> I think I'll take some notes here and craft a project for future 12:35 < mfinkle> http://mxr.mozilla.org/seamonkey/source/extensions/spellcheck/src/mozSpellChecker.cpp 12:35 < mfinkle> implements the nsISpellCheck interface 12:36 < mfinkle> takes an nsITextServicesDocument 12:36 <@dave> how generic is that? 12:38 < mfinkle> can be initialized with a document! http://mxr.mozilla.org/seamonkey/source/editor/txtsvc/src/nsTextServicesDocument.cpp#175 12:38 < mfinkle> promising

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