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#!/usr/bin/env python3
import setproctitle
import sys
from functools import lru_cache
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, Gdk, GLib, GdkPixbuf, Gio
class Main(object):
def __init__(self):
self.window_x = 0
self.window_y = 0
self.w = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
self.w.set_size_request(300, 300)
self.w.set_title("Magnus")
self.w.set_decorated(False)
self.w.connect("destroy", lambda a: Gtk.main_quit())
self.w.connect("configure-event", self.window_configure)
self.img = Gtk.Image()
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.add(self.img)
self.w.add(scrolled_window)
self.w.show_all()
sys.stdout.write('%d\n' % self.w.get_window().get_xid())
sys.stdout.flush()
GLib.timeout_add(250, self.poll)
Gtk.main()
def poll(self, *args):
loc = self.w.get_size()
width = loc.width
height = loc.height
(screen, x, y) = Gdk.Display.get_default().get_default_seat().get_pointer().get_position()
if (x > self.window_x and x <= (self.window_x + width + 0) and y > self.window_y and y <= (self.window_y + height + 0)):
white = self.get_white_pixbuf(width, height)
self.img.set_from_pixbuf(white)
else:
root = Gdk.get_default_root_window()
scaled_width = width // 2
scaled_height = height // 2
scaled_xoff = scaled_width // 2
scaled_yoff = scaled_height // 2
screenshot = Gdk.pixbuf_get_from_window(root, x - scaled_xoff, y - scaled_yoff, scaled_width, scaled_height)
scaled_pb = screenshot.scale_simple(width, height, GdkPixbuf.InterpType.NEAREST)
self.img.set_from_pixbuf(scaled_pb)
return True
@lru_cache()
def makesquares(self, overall_width, overall_height, square_size, value_on, value_off):
on_sq = list(value_on) * square_size
off_sq = list(value_off) * square_size
on_row = []
off_row = []
while len(on_row) < overall_width * len(value_on):
on_row += on_sq
on_row += off_sq
off_row += off_sq
off_row += on_sq
on_row = on_row[:overall_width * len(value_on)]
off_row = off_row[:overall_width * len(value_on)]
on_sq_row = on_row * square_size
off_sq_row = off_row * square_size
overall = []
count = 0
while len(overall) < overall_width * overall_height * len(value_on):
overall += on_sq_row
overall += off_sq_row
count += 2
overall = overall[:overall_width * overall_height * len(value_on)]
return overall
@lru_cache()
def get_white_pixbuf(self, width, height):
square_size = 16
light = (153, 153, 153, 255)
dark = (102, 102, 102, 255)
whole = self.makesquares(width, height, square_size, light, dark)
arr = GLib.Bytes.new(whole)
return GdkPixbuf.Pixbuf.new_from_bytes(arr, GdkPixbuf.Colorspace.RGB, True, 8, width, height, width * len(light))
def window_configure(self, window, ev):
self.window_x = ev.x
self.window_y = ev.y
if __name__ == "__main__":
setproctitle.setproctitle('magnus')
Main()
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