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import gi
gi.require_version("Adw", "1")
gi.require_version("Gtk", "4.0")
from gi.repository import Adw, Gtk
def draw_event(widget, ctx, w, h, data):
ctx.set_line_width(6)
ctx.set_tolerance(0.1)
ctx.select_font_face("sans-serif")
ctx.set_font_size(48)
(x, y, width, height, dx, dy) = ctx.text_extents("Hello World")
ctx.translate(100, 100)
ctx.new_path()
ctx.move_to(x - 10, y - 10)
ctx.rel_line_to(width + 20, 0)
ctx.rel_line_to(0, height + 20)
ctx.rel_line_to(-(width + 20), 0)
ctx.close_path()
ctx.set_source_rgb(0, 0, 1)
ctx.stroke()
ctx.move_to(0, 0)
ctx.set_source_rgb(0, 0, 0)
ctx.show_text("Hello World")
def on_activate(app):
win = Gtk.ApplicationWindow(application=app, title="Cairo GTK Text Example")
win.set_default_size(450, 150)
drawingarea = Gtk.DrawingArea()
drawingarea.set_draw_func(draw_event, None)
win.set_child(drawingarea)
win.present()
app = Adw.Application()
app.connect("activate", on_activate)
app.run(None)
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