204 lines
7.1 KiB
Python
204 lines
7.1 KiB
Python
"""Bluetooth quad: powered by AstalBluetooth (bluez wrapper).
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Discovery, connect, disconnect and a local connection history (bluez keeps none, so
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we record successful connects in ~/.cache/astal-menu/bt-history.json). 'discovery'
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and 'history' are per-quad feature toggles.
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"""
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from __future__ import annotations
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import json
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import time
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import gi
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gi.require_version("Gtk", "4.0")
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from gi.repository import Gtk # noqa: E402
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from module_base import Feature, ModuleContext, ModuleInstance, ModuleSpec
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from paths import CACHE_DIR
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_HISTORY = CACHE_DIR / "bt-history.json"
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def _load_history() -> list[dict]:
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try:
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return json.loads(_HISTORY.read_text())
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except (FileNotFoundError, json.JSONDecodeError):
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return []
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def _record_history(address: str, name: str) -> None:
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hist = [h for h in _load_history() if h.get("address") != address]
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hist.insert(0, {"address": address, "name": name, "ts": int(time.time())})
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CACHE_DIR.mkdir(parents=True, exist_ok=True)
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_HISTORY.write_text(json.dumps(hist[:50], indent=2))
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class _BluetoothView(Gtk.Box):
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def __init__(self, ctx: ModuleContext, full: bool):
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super().__init__(orientation=Gtk.Orientation.VERTICAL, spacing=8)
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self.add_css_class("bt-view")
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self.ctx = ctx
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self.full = full
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self.bt = ctx.services.bluetooth
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self._recorded: set[str] = set()
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self.append(self._build_header())
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self._list = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=4)
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self._list.add_css_class("bt-list")
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if full:
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scroller = Gtk.ScrolledWindow(vexpand=True,
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hscrollbar_policy=Gtk.PolicyType.NEVER)
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scroller.set_child(self._list)
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self.append(scroller)
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else:
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self.append(self._list)
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if self.bt is not None:
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self.bt.connect("notify::devices", lambda *_: self._refresh())
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self.bt.connect("notify::is-powered", lambda *_: self._refresh())
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self._refresh()
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def _adapter(self):
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return self.bt.get_adapter() if self.bt else None
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def _build_header(self) -> Gtk.Widget:
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header = Gtk.CenterBox()
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header.add_css_class("bt-header")
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left = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=8)
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left.append(Gtk.Label(label="Power"))
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self._power = Gtk.Switch(active=bool(self.bt and self.bt.get_is_powered()))
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self._power.connect("state-set", self._on_power)
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left.append(self._power)
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header.set_start_widget(left)
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if self.full and self.ctx.feature("discovery", True):
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self._scan = Gtk.ToggleButton(label=" Scan")
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self._scan.add_css_class("quad-action")
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self._scan.connect("toggled", self._on_scan)
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header.set_end_widget(self._scan)
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return header
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def _on_power(self, _sw, value: bool) -> bool:
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ad = self._adapter()
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if ad:
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ad.set_powered(value)
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return False
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def _on_scan(self, btn: Gtk.ToggleButton) -> None:
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ad = self._adapter()
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if not ad:
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return
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if btn.get_active():
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ad.start_discovery()
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else:
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ad.stop_discovery()
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# -- device list -------------------------------------------------------
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def _refresh(self) -> None:
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child = self._list.get_first_child()
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while child:
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self._list.remove(child)
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child = self._list.get_first_child()
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if not self.bt:
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self._list.append(Gtk.Label(label="No Bluetooth adapter"))
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return
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devices = list(self.bt.get_devices())
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devices.sort(key=lambda d: (not d.get_connected(), not d.get_paired(),
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(d.get_name() or d.get_address() or "").lower()))
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if not self.full:
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devices = [d for d in devices if d.get_connected() or d.get_paired()][:4]
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for dev in devices:
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self._list.append(self._device_row(dev))
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if self.full and self.ctx.feature("history", True):
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self._list.append(self._history_section())
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def _device_row(self, dev) -> Gtk.Widget:
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row = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=10)
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row.add_css_class("bt-row")
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icon = Gtk.Image.new_from_icon_name((dev.get_icon() or "bluetooth") + "-symbolic")
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row.append(icon)
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name = dev.get_name() or dev.get_address() or "Unknown"
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status = "connected" if dev.get_connected() else (
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"connecting…" if dev.get_connecting() else
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("paired" if dev.get_paired() else ""))
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lbl = Gtk.Label(label=name, xalign=0.0, hexpand=True)
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if status:
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lbl.set_tooltip_text(status)
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row.append(lbl)
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if status:
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tag = Gtk.Label(label=status)
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tag.add_css_class("bt-status")
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row.append(tag)
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btn = Gtk.Button()
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btn.add_css_class("quad-action")
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if dev.get_connected():
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btn.set_label("Disconnect")
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btn.connect("clicked", lambda *_: dev.disconnect_device(None, self._noop))
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else:
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btn.set_label("Connect")
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btn.connect("clicked", lambda *_, d=dev: self._connect(d))
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row.append(btn)
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if dev.get_connected() and self.ctx.feature("history", True):
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self._maybe_record(dev)
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return row
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def _connect(self, dev) -> None:
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def done(d, res):
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try:
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d.connect_device_finish(res)
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if self.ctx.feature("history", True):
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self._maybe_record(d, force=True)
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except Exception:
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pass
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dev.connect_device(None, done)
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def _maybe_record(self, dev, force: bool = False) -> None:
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addr = dev.get_address() or ""
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if not addr or (addr in self._recorded and not force):
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return
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self._recorded.add(addr)
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_record_history(addr, dev.get_name() or addr)
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@staticmethod
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def _noop(obj, res) -> None:
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try:
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obj.disconnect_device_finish(res)
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except Exception:
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pass
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def _history_section(self) -> Gtk.Widget:
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box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=4)
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box.add_css_class("bt-history")
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box.append(Gtk.Separator())
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box.append(Gtk.Label(label="History", xalign=0.0))
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for h in _load_history()[:8]:
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when = time.strftime("%d.%m %H:%M", time.localtime(h.get("ts", 0)))
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box.append(Gtk.Label(label=f"{h.get('name', '?')} · {when}", xalign=0.0))
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return box
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def build(ctx: ModuleContext) -> ModuleInstance:
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# Feature toggles (discovery/history) rebuild the whole card via QuadCard, so
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# both views are recreated with the current features — no partial refresh here.
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compact = _BluetoothView(ctx, full=False)
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expanded = _BluetoothView(ctx, full=True)
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return ModuleInstance(compact=compact, expanded=expanded)
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SPEC = ModuleSpec(
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id="bluetooth",
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title="Bluetooth",
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icon="", # nf-fa-bluetooth
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build=build,
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default_enabled=True,
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features=[Feature("discovery", "Device discovery", True),
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Feature("history", "Connection history", True)],
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)
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