[QScintilla] Trying to set different color for different set of keywords in QsciLexerCPP

[Phil Thompson]

On Sat, 6 Nov 2010 20:44:27 +0100, "Jonas O." <ezjonas at gmail.com> wrote:
> On Sat, Nov 6, 2010 at 19:04, Phil Thompson
<phil at riverbankcomputing.com>
> wrote:
>> On Sat, 6 Nov 2010 18:38:12 +0100, "Jonas O." <ezjonas at gmail.com>
wrote:
>>> Hello, and first thanks for bringing Scintilla to Qt ! I'm quite happy
>>> to see all those nifty features made that much simple to implement
>>> (current line highlight, margin numbers, select line form left click
>>> in the margin, etc).
>>>
>>> However I'm having one little problem, I want to color some keyword
>>> sets with a different than other keyword sets.
>>> I created my own lexer by duplicating the QsciLexerCPP files, but I
>>> need some starting point to see how I can do that; the SendScintilla
>>> function is not very documented and does not forward to any scintilla
>>> doc (I also read it's useless to ask here to learn how to create a
>>> lexer, but I just want to color certain separately, not create my own
>>> language).
>>>
>>> I hope someone could help me at least a little, I guess someone have
>>> to know how to do it, the creator of QScintilla maybe ? The QScintilla
>>> lexer classes did not appear magically...
>>
>> You don't need to create a new lexer - just subclass QsciLexerCPP and
>> reimplement the keywords() method to handle the case where the keyword
>> set
>> is 2 (see QsciLexerCPP::KeywordSet2). You need to return a string for
>> set 2
>> containing the keywords you want coloured differently. If some of these
>> appear in the default set 1 then you will also need to handle that set
by
>> returning a string that doesn't contain those keywords.
>>
>> You may also want to reimplement defaultColor(), defaultFont() etc. to
>> provide different defaults for the KeywordSet2 style.
>>
>> Phil
>>
> 
> I see, but I want to create several sets with each one having a
> different color, the set 2 will only give me one color, how can it
> select a different color for each set ?

The underlying Scintilla C++ lexer only supports a limited number of
keyword sets. You will need to modify that (or take a copy) to add support
for more.

Phil