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Make word under cursor detection more robust

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Kovid Goyal 2014-05-11 10:32:24 +05:30
parent f2f1c5d8d4
commit 80b1476aa2
2 changed files with 11 additions and 4 deletions
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resources/compiled_coffeescript.zip
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15
src/calibre/ebooks/oeb/display/utils.coffee
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@ -109,15 +109,22 @@ class CalibreUtils
if range == null
return null
node = range.startContainer
if node.nodeType != Node.TEXT_NODE
if node?.nodeType != Node.TEXT_NODE
return null
offset = range.startOffset
range = document.createRange()
range.selectNodeContents(node)
range.setStart(node, offset)
range.setEnd(node, offset+1)
try
range.setStart(node, offset)
range.setEnd(node, offset+1)
catch error # Happens if offset is invalid
null
range.expand('word')
return range.toString()
ans = range.toString().trim()
range.detach()
matches = ans.split(/\b/)
return if matches.length > 0 then matches[0] else null
# }}}
if window?