[Gambas-user] gambas editor control and the highlight method

[Tobias Boege]

On Fri, 08 Nov 2013, Sean wrote:
>   want that my program, at a click of the button will do 
> some highlighting in the text in an editor (a component of 
> gambas that you can add to a form).
> 
> So, in the form_open() method, i set :
> 
> programEdit.Styles[Highlight.Normal].Color = Color.Red
> programEdit.Styles[Highlight.Keyword].Color = 
> Color.DarkGreen
> 
> (my editor component is called programEdit)
> 
> then in the toolbutton1_click() method i set
> 
> programEdit.Highlight = Highlight.Custom
> 
> (should this not call the programEdit_highlight() method? 
> )
> 
> In the programEdit_highlight, I set:
> 
> Dim z_c As Integer
> Dim i As Integer
> Dim z As String
> Dim s As String
> 
> z = programEdit.Text '(this picks up the text in the 
> editor)
> z_c = String.Len(z)
> 
> For i = 1 To z_c
>    s = Mid(z, i, 1) 'pick up each character
>     If s = "s" Then 'i want the "s" -s to be dark green
>     'Message("resetting highlight")
>     Highlight.Add(Highlight.Keyword) 'according to the 
> docs, this will set the highlight of a single character ..
>     Highlight.State = Highlight.Keyword 'i dont know if i 
> needed this, but even dropping it has no effect
>     Else
>     Highlight.Add(Highlight.Normal)
>     Endif
> Next
> 
> this should make the "s"- s dark green, and everything 
> else red, but i am seeing everything simply red. where did 
> i go wrong?
> 

The Editor control will highlight a line at a time. The current line will be
in Highlight.Text. If you always take the entire programEdit.Text, then you
will highlight the wrong things.

Regards,
Tobi

-- 
"There's an old saying: Don't change anything... ever!" -- Mr. Monk