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fix bug in highlight engine

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handle left end of line in highlight delete.
This commit is contained in:
Qingping Hou
2012-04-21 09:46:30 +08:00
parent b8da531d8d
commit 1a2be0453d
1 changed files with 9 additions and 4 deletions
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13
unireader.lua
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@@ -638,6 +638,10 @@ function UniReader:startHighLightMode()
end
end
elseif ev.code == KEY_DEL then
-- handle left end of line as special case
if w.cur == 0 then
w.cur = 1
end
if self.highlight[self.pageno] then
for k, text_item in ipairs(self.highlight[self.pageno]) do
for _, line_item in ipairs(text_item) do
@@ -646,14 +650,15 @@ function UniReader:startHighLightMode()
and t[l.cur][w.cur].x0 >= line_item.x0
and t[l.cur][w.cur].x1 <= line_item.x1 then
self.highlight[self.pageno][k] = nil
-- remove page entry if empty
if #self.highlight[self.pageno] == 0 then
self.highlight[self.pageno] = nil
end
return
end
end -- for line_item
end -- for text_item
end -- if not highlight table
if #self.highlight[self.pageno] == 0 then
self.highlight[self.pageno] = nil
end
return
elseif ev.code == KEY_FW_PRESS then
l.new, w.new = l.cur, w.cur
l.start, w.start = l.cur, w.cur