Small "code" editor example for improving a GUI

Thanks Peter,

I will start with the font increase, decrease part then. Is important.
My eyes are not so young now. Will try building some small widget with a
Tex class using text area and two buttons. It shouldn't be so hard.

Cheers,

Offray


On 06/10/16 12:45, Peter Uhnak wrote:
> On Thu, Oct 06, 2016 at 10:41:10AM -0500, Offray Vladimir Luna Cárdenas wrote:
>> Hi,
>>
>> I would like to create some GUI that would be essentially a text
>> area field plus some buttons. The idea is to support
>>
>> - Font size increasing/decreasing.
>>
>> - Syntaxt highlighting for markup languages.
> The hardest part is the syntax highlighting itself, because you need (ideally non-strict) parser and highlighter for each language. There are several languages that use PetitParser for both.
> Then you basically build up the text with `Text`, (`Text` class supports things like specifying color, emphasis, etc.).
>
> And then you can just show the text in a RubTextArea.
>
> You can even use Spec' TextModel; I used TextModel and PetitParser based highlightning for coloring my DSL, but I never got around to finishing it.
>
> I believe Johan's Live State Machine editor does something similar.
>
> Also look at Pillar support (I saw mails floating around that it was updated or something).
>
> Peter
>
>
>> I gave a glimpse to the RubTextAreaExamples yesterday, but if anyone
>> knows a more complete example to start with, that would be really
>> helpful.
>>
>> Cheers,
>>
>> Offray
>>
>>
>