The caret will be updated only after the value changed callback is
processed. So I think you should rely on the CARET_CB callback for caret
updates instead of valuechanged_cb.
Best,
Scuri
On Sun, Mar 13, 2016 at 6:01 AM, 云履 <[email protected]> wrote:
> Attribute "Caretpos" in scintilla may need update automatically in
> valuechanged_cb. Which affect Auto-Completion.
> In other words, Auto-Completion won't work correct, if set it within
> callback ACTION or VALUECHANGED_CB in some case.
>
> Demo with Tip and comment.
>
> local iup = require ("iuplua")
> require"iuplua_scintilla"
> local offset_caretPos
> iup.dialog{
> iup.scintilla{
> tip = 'type "ab" in sequence will show auto-completion list, then Enter,
> but "ab" wont expand to "abcd".',
> valuechanged_cb = function(self)
> print('caretpos = '..self.caretpos) --Although this is triggered after
> content change,
> --but its caret pos is still un-update, if it is a insert opperate
> --self.caretpos = self.caretpos + offset_caretPos --This is the final
> caret pos.
> -- need to update/fix 'caretpos', or the below test will fail.
> --Caret pos affect Auto-Completion
> if self.value == 'ab' then
> self['AUTOCSHOW'..tostring(string.len(self.value))] = 'abcd'
> print('Autocposstart is '..self.AUTOCPOSSTART..', which is the pos after
> "a" - "'.. self.caretpos ..'" - the previous caret pos after input "a", "b"
> sequencely.\nAnd it should be 2, which equal "string.len(self.value)" in
> this case.\nGo on "Enter".')
> end
> end,
> action = function(self, mode, pos, length, text)
> offset_caretPos = mode == 1 and length or 0 --mode == 1: inserted
> end,
> autocselection_cb = function(self, pos, text)
> print('autocselection_cb', 'autocposstart = '..self.autocposstart, 'pos =
> ' .. pos, text)
> -- (If won't update the caretpos.) The 'pos' is -1, which is incorrect
> here.
> end,
> }
> }:show()
> iup.MainLoop()
>
>
> I'm not sure if this work should be done by Scintilla or iup.
>
>
> Best,
> Robert Lin
>
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