MacArthur, Ian (SELEX GALILEO, UK) wrote:
>
>> I'm using fltk 1.1.8. How can I get current cursor position in
>> Fl_Text_Editor ?
>> I would like to make somenthing like this ?
>>
>> This is Fl_Text_Editor:
>> ex.1
>> +----------+
>> |aaaaaaaaa |
>> |aaa |
>> |c| |
>> +----------+
>>
>> Position format is (line number), (character number). In this
>> example (ex.1)
>> cursor position is 3, 2. Thx !
>
> The underlying editor widget is based on Nedit, so any notes on using
> the Nedit codes might be pertinent.
>
> Anyway, I *think* it goes something like this (this is from memory, I
> haven't used the Fl_Text_Editor stuff much recently...)
>
> You find the current insert position like:
>
> pos = myeditor->insert();
>
> Then find the line number:
>
> line = myeditor->count_lines(pos);
>
> Then the line start char:
>
> start = myeditor->line_start(pos);
>
> Then the character number is
>
> charpos = pos - start;
>
>
> Well, something like that, anyway...
>
>
>
>
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I found those methods in documentation this is the changed code:
Fl_Text_Editor text_editor;
Fl_Text_Buffer buf_editor;
text_editor->buffer(buf_editor);
int pos = text_editor->insert_position();
int start = buf_editor->line_start(pos);
int line = buf_editor->count_lines(start, pos);
int charpos = pos - start;
How can I detect that the Fl_Text_Buffer (buf_editor) is modified so I can
redraw/redisplay new cursor position ?
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