Re: How would I change the text style in a gedit plugin?

[cecashon aol com]

This is similar but just using GTK. You get the iters for the start and end of the range that you want to tag 
and apply the tag to it.

Eric

import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk

class TextBox(Gtk.TextView):
    def __init__(self):
        Gtk.TextView.__init__(self)
        textbuffer = self.get_buffer() 
        textbuffer.set_text("Some text to tag.\nAnother line to tag.")
        start = textbuffer.get_start_iter()
        end = textbuffer.get_end_iter()
        tag = textbuffer.create_tag("blue_tag", background="blue", foreground="yellow")
        textbuffer.apply_tag(tag, start, end)
           
class MainWindow(Gtk.Window):
    def __init__(self):
        Gtk.Window.__init__(self, title="Text Tag")
        self.set_default_size(300, 100)
        self.tb = TextBox()
        self.tb.set_hexpand(True)
        self.tb.set_vexpand(True)
        self.grid = Gtk.Grid()
        self.grid.attach(self.tb, 0, 0, 1, 1)
        self.add(self.grid)

win = MainWindow()
win.connect("delete-event", Gtk.main_quit) 
win.show_all()
Gtk.main()