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#!/usr/bin/env -S GI_TYPELIB_PATH=${PWD}/build/gtk:${GI_TYPELIB_PATH} LD_PRELOAD=${LD_PRELOAD}:${PWD}/build/gtk/libgtk-4.so python3
import gi
gi.require_version('Gdk', '4.0')
gi.require_version('Gtk', '4.0')
from gi.repository import Gdk
from gi.repository import Gtk
from gi.repository import Graphene
class DemoWidget(Gtk.Widget):
__gtype_name__ = "DemoWidget"
def __init__(self):
super().__init__()
def do_measure(self, orientation, for_size: int):
# We need some space to draw
return 100, 200, -1, -1
def do_snapshot(self, snapshot):
# Draw four color squares
color = Gdk.RGBA()
rect = Graphene.Rect.alloc()
width = self.get_width() / 2
height = self.get_height() / 2
Gdk.RGBA.parse(color, "red")
rect.init(0, 0, width, height)
snapshot.append_color(color, rect)
Gdk.RGBA.parse(color, "green")
rect.init(width, 0, width, height)
snapshot.append_color(color, rect)
Gdk.RGBA.parse(color, "yellow")
rect.init(0, height, width, height)
snapshot.append_color(color, rect)
Gdk.RGBA.parse(color, "blue")
rect.init(width, height, width, height)
snapshot.append_color(color, rect)
def on_activate(app):
# Create a new window
win = Gtk.ApplicationWindow(application=app)
win.set_title("Squares")
icon = DemoWidget()
win.set_child(icon)
win.present()
# Create a new application
app = Gtk.Application(application_id='org.gtk.exampleapp')
app.connect('activate', on_activate)
# Run the application
app.run(None)
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