import xcffib.xproto as xproto import xcffib.randr as randr import xcffib import time import random import string def to_atom(conn, string): return conn.core.InternAtom(False, len(string), string).reply().atom def set_window_name(conn, wid, name): prop_name = to_atom(conn, "_NET_WM_NAME") str_type = to_atom(conn, "UTF8_STRING") conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid, prop_name, str_type, 8, len(name), name).check() prop_name = to_atom(conn, "WM_NAME") str_type = to_atom(conn, "STRING") conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid, prop_name, str_type, 8, len(name), name).check() def set_window_state(conn, wid, state): prop_name = to_atom(conn, "WM_STATE") conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid, prop_name, prop_name, 32, 2, [state, 0]).check() def set_window_class(conn, wid, name): if not isinstance(name, bytearray): name = name.encode() name = name+b"\0"+name+b"\0" prop_name = to_atom(conn, "WM_CLASS") str_type = to_atom(conn, "STRING") conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid, prop_name, str_type, 8, len(name), name).check() def find_picom_window(conn): prop_name = to_atom(conn, "WM_NAME") setup = conn.get_setup() root = setup.roots[0].root windows = conn.core.QueryTree(root).reply() ext = xproto.xprotoExtension(conn) for w in windows.children: name = ext.GetProperty(False, w, prop_name, xproto.GetPropertyType.Any, 0, (2 ** 32) - 1).reply() if name.value.buf() == b"picom": return w def trigger_root_configure(conn): setup = conn.get_setup() root = setup.roots[0].root # Xorg sends root ConfigureNotify when we add a new mode to an output rr = conn(randr.key) name = ''.join([random.choice(string.ascii_letters + string.digits) for n in range(0, 32)]) mode_info = randr.ModeInfo.synthetic(id = 0, width = 1000, height = 1000, dot_clock = 0, hsync_start = 0, hsync_end = 0, htotal = 0, hskew = 0, vsync_start = 0, vsync_end = 0, vtotal = 0, name_len = len(name), mode_flags = 0) reply = rr.CreateMode(root, mode_info, len(name), name).reply() mode = reply.mode reply = rr.GetScreenResourcesCurrent(root).reply() # our xvfb is setup to only have 1 output output = reply.outputs[0] rr.AddOutputModeChecked(output, mode).check() rr.SetCrtcConfig(reply.crtcs[0], reply.timestamp, reply.config_timestamp, 0, 0, mode, randr.Rotation.Rotate_0, 1, [output]).reply() def find_32bit_visual(conn): setup = conn.get_setup() render = conn(xcffib.render.key) r = render.QueryPictFormats().reply() pictfmt_ids = set() for pictform in r.formats: if (pictform.depth == 32 and pictform.type == xcffib.render.PictType.Direct and pictform.direct.alpha_mask != 0): pictfmt_ids.add(pictform.id) print(pictfmt_ids) for screen in r.screens: for depth in screen.depths: for pv in depth.visuals: if pv.format in pictfmt_ids: return pv.visual