config/eww/bar/scripts/get-workspaces

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#!/usr/bin/env python
"""
Utility to generate the workspace buttons for eww bar widget.
Currently it fetches information from monitor 0. If all monitors have
synchronised workspaces this should not be a problem.
"""
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import os, sys, socket, json, subprocess
from typing import Optional
WORKSPACE_ICONS = [
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(1, "☱"),
(2, "☲"),
(3, "☳"),
(4, "☴"),
(5, "☵"),
(6, "☶"),
(7, "☷"),
(8, "☰"),
]
EXTRA_WORKSPACE_ICONS = [
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(0, "⚌"),
(1, "⚍"),
(2, "⚎"),
(3, "⚏"),
]
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Workspaces = dict[int, bool]
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def get_widgets(workspaces: Workspaces) -> str:
"""
Create widget sexp from workspace information
"""
def get_class(k):
key = workspaces.get(k, None)
if key is None:
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return "inactive"
elif key:
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return "focused"
else:
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return "active"
buttons = [
f'"id": "{k}", "text": "{icon}", "class": "{get_class(k)}"'
for k, icon in WORKSPACE_ICONS
]
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buttons = ", ".join(["{" + b + "}" for b in buttons])
return "[" + buttons + "]"
# Compositor specific information
def hypr_get_workspace_info() -> Workspaces:
workspaces = json.loads(os.popen("hyprctl workspaces -j").read())
monitors = json.loads(os.popen("hyprctl monitors -j").read())
if not monitors:
print("No monitor found!", file=sys.stderr)
return []
monitor, active = [
(m["name"], m["activeWorkspace"]["id"]) for m in monitors if m["id"] == 0
][0]
workspaces = {
w["id"]: w["id"] == active
for w in workspaces if w["monitor"] == monitor
}
return workspaces
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def hypr_listen(socket_addr: str):
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
try:
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sock.connect(socket_addr)
except:
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print(f"Could not connect to {socket_addr}", file=sys.stderr)
raise
# The flush here is very important since python by default buffers!
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workspace_info = hypr_get_workspace_info()
print(get_widgets(workspace_info), flush=True)
while sock:
data = sock.recv(1024)
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if b"workspace" in data:
workspace_info = hypr_get_workspace_info()
print(get_widgets(workspace_info), flush=True)
def sway_get_workspace_info() -> Workspaces:
workspaces = json.loads(os.popen("swaymsg --raw -t get_workspaces").read())
# REVIEW: This has not been tested on a multi-monitor setup.
workspaces = {
int(w["num"]): w["focused"]
for w in workspaces
}
return workspaces
def sway_listen():
proc = subprocess.Popen(
["swaymsg", "-t", "subscribe", "-m", '["workspace"]'], stdout=subprocess.PIPE
)
workspace_info = sway_get_workspace_info()
print(get_widgets(workspace_info), flush=True)
while line := proc.stdout.readline():
# Not needed
info = json.loads(line)
workspace_info = sway_get_workspace_info()
print(get_widgets(workspace_info), flush=True)
def detect():
"""
Main entry point, detects the type of compositor used
"""
if signature := os.environ.get("HYPRLAND_INSTANCE_SIGNATURE", None):
socket_addr = f"/tmp/hypr/{signature}/.socket2.sock"
return hypr_listen(socket_addr)
if signature := os.environ.get("SWAYSOCK", None):
return sway_listen()
print("No compositor found.", file=sys.stderr)
return None
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if __name__ == "__main__":
detect()