GTK threads synchronization issues

Hello Colleagues , I am working on a major project lately, but the last thing I was experiencing was heavy synchronization issues with g_thred_new. - After a while I found out that the problem is because I modify/update application's GUI from the thread. - By problems I allude generally applica

Rendering pixbuf in a single line (GtkSourceGutter)

I have inserted custom gtk source gutter renderer pixbuf and I want to render icon on a specific line. But how am I supposed to do that if the GtkSourceGutter doesn't work with a tree model? Doing `gtk_source_gutter_renderer_pixbuf_set_pixbuf(renderer, pixbuf);` will render the icon for all