# We should check if this object is in the exposed
# area, but I can't be bothered right now, so just
# redraw on the last Expose in every batch
if ev.count == 0:
self.first.draw()
if self.last:
# Redraw all the lines
PolyLine(self.win.d, None, X.CoordModeOrigin, self.win.window,
self.win.gc, self.lines)
self.last.draw()
# A romboid, drawed around the Movement endpoints
class Romboid:
def __init__(self, win, ev):
self.win = win
self.x = ev.event_x
self.y = ev.event_y
self.draw()
def draw(self):
# Draw the segments of the romboid
PolyLine(self.win.d, None, X.CoordModePrevious, self.win.window,
self.win.gc, [(self.x, self.y - 5), (5, 5), (-5, 5), (-5, -5),
(5, -5)])
if __name__ == '__main__':
Window(display.Display()).loop()
# Very simple Xlib-based client in Python.
# Copyright (c) 2008 Thomas Thurman <*****@*****.**>; GPL 2.0 or later.
# Originally based around example code in python-xlib
# by Peter Liljenberg <*****@*****.**>.
import sys
from Xlib import X
from Xlib.protocol import display
from Xlib.protocol.request import *
display = display.Display()
screen = display.info.roots[display.default_screen]
window = display.allocate_resource_id()
gc = display.allocate_resource_id()
CreateWindow(
display,
None,
depth=screen.root_depth,
wid=window,
parent=screen.root,
x=100,
y=100,
width=250,
height=250,
border_width=2,
window_class=X.InputOutput,
visual=X.CopyFromParent,
background_pixel=screen.white_pixel,
event_mask=(X.ExposureMask | X.StructureNotifyMask | X.ButtonPressMask