93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
#!/usr/bin/env python3
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"""transmitter-panel — beacon's notification-history viewer for hyprdrive.
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Single-instance, same pattern as horizon-dock/astro-menu's main.py: the first
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launch builds the (hidden) window and holds; later invocations forward their
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verb over D-Bus via scripts/transmitter-panel.sh instead of spawning a second
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python3+GTK4 process.
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main.py run the resident instance (stays hidden until toggled)
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main.py --show show
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main.py --hide hide
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main.py --toggle whichever of the above applies
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"""
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from __future__ import annotations
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import os
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import sys
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from pathlib import Path
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# transmitter-panel-start.sh LD_PRELOADs libgtk4-layer-shell (load-ordering
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# requirement ahead of libwayland-client). Drop it once resident so it isn't
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# inherited by anything this process launches — same rationale as the rest of
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# the suite's main.py.
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os.environ.pop("LD_PRELOAD", None)
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sys.path.insert(0, str(Path(__file__).resolve().parent))
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import gi # noqa: E402
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gi.require_version("Gtk", "4.0")
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from gi.repository import Gio, GLib, Gtk # noqa: E402
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import theme # noqa: E402
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from paths import APP_ID # noqa: E402
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from window import TransmitterWindow # noqa: E402
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class TransmitterPanelApp(Gtk.Application):
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def __init__(self) -> None:
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super().__init__(application_id=APP_ID,
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flags=Gio.ApplicationFlags.HANDLES_COMMAND_LINE)
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self.window: TransmitterWindow | None = None
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def do_startup(self) -> None:
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Gtk.Application.do_startup(self)
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theme.load_css()
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self.window = TransmitterWindow(self)
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self._register_actions()
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self.hold() # stay alive with no visible window
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def _register_actions(self) -> None:
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def add(name: str, callback) -> None:
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action = Gio.SimpleAction.new(name, None)
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action.connect("activate", callback)
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self.add_action(action)
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def guarded(fn):
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def wrapper(*_a) -> None:
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assert self.window is not None
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fn(self.window)
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return wrapper
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add("show", guarded(lambda w: w.show_panel()))
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add("hide", guarded(lambda w: w.hide_panel()))
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add("toggle", guarded(lambda w: w.toggle()))
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def do_command_line(self, cmdline: Gio.ApplicationCommandLine) -> int:
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args = list(cmdline.get_arguments()[1:])
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verb = args[0] if args else "--daemon"
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if self.window is None:
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return 0
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if verb == "--show":
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self.window.show_panel()
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elif verb == "--hide":
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self.window.hide_panel()
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elif verb == "--toggle":
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self.window.toggle()
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# --daemon and anything else: no-op (stay resident, hidden)
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return 0
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def do_activate(self) -> None:
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pass # resident instance: nothing to do on plain activate
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def main() -> int:
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GLib.set_prgname("transmitter-panel")
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return TransmitterPanelApp().run(sys.argv)
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if __name__ == "__main__":
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raise SystemExit(main())
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