Re: Make current line number stand out?

On Sunday 26 May 2024 at 09:35:03 UTC+1 Andrew Truckle wrote:

 OK. I did ask OpenAI and it suggests doing this instead:

// Set the caret line background color (RGB format)
COLORREF caretLineColor = RGB(240, 240, 240); // Light gray color
SendMessage(hScintilla, SCI_SETCARETLINEBACK, caretLineColor, 0);

// Optionally, set the caret line background transparency (0 to 255)
int alpha = 100; // Transparency level (0 = fully transparent, 255 = fully 
opaque)
SendMessage(hScintilla, SCI_SETCARETLINEBACKALPHA, alpha, 0);

So I think I'll give it a go. Although I am concerned about possibly 
clashing with syntax text colours. We'll see.


I tried:

// Set the caret line background color (RGB format)
COLORREF caretLineColor = RGB(240, 240, 240); // Light gray color
m_edit.SetElementColour(Scintilla::Element::CaretLineBack, caretLineColor);

And that seems to be sufficient:

[image: LineNumbers3.png]

There appears to be no clashes with syntax colours (at this stage). I was 
unable to try the SCI_SETCARETLINEBACKALPHA suggestion as I could not work 
out how to port it to my MFC wrapper. But I don't think I need to anyway. 😊

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