updated look of hub
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165
app/sovran_systemsos_hub/service_tile.py
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165
app/sovran_systemsos_hub/service_tile.py
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"""Square tile widget representing a single systemd unit."""
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from __future__ import annotations
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import os
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import gi
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gi.require_version("Gtk", "4.0")
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gi.require_version("Adw", "1")
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gi.require_version("Gdk", "4.0")
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from gi.repository import Adw, Gdk, GdkPixbuf, GLib, Gtk # noqa: E402
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from . import systemctl # noqa: E402
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LOADING_STATES = {"reloading", "activating", "deactivating", "maintenance"}
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# Icon directory injected by the Nix derivation via environment variable
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ICON_DIR = os.environ.get("SOVRAN_HUB_ICONS", "")
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class ServiceTile(Gtk.Box):
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"""A square tile showing a service logo, name, status, toggle, and restart."""
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def __init__(
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self,
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name: str,
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unit: str,
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scope: str = "system",
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method: str = "systemctl",
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icon_name: str = "",
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**kwargs,
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):
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super().__init__(
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orientation=Gtk.Orientation.VERTICAL,
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spacing=6,
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halign=Gtk.Align.CENTER,
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valign=Gtk.Align.CENTER,
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width_request=140,
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height_request=160,
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css_classes=["card", "sovran-tile"],
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margin_top=6,
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margin_bottom=6,
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margin_start=6,
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margin_end=6,
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**kwargs,
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)
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self._unit = unit
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self._scope = scope
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self._method = method
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self._name = name
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# ── Logo ──
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self._logo = Gtk.Image(
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pixel_size=48,
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margin_top=12,
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halign=Gtk.Align.CENTER,
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css_classes=["sovran-tile-icon"],
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)
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self._set_logo(icon_name)
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self.append(self._logo)
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# ── Service name ──
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label = Gtk.Label(
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label=name,
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css_classes=["heading"],
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halign=Gtk.Align.CENTER,
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ellipsize=3, # PANGO_ELLIPSIZE_END
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max_width_chars=14,
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)
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self.append(label)
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# ── Status label ──
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self._status_label = Gtk.Label(
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css_classes=["caption"],
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halign=Gtk.Align.CENTER,
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)
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self.append(self._status_label)
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# ── Controls row (switch + restart) ──
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controls = Gtk.Box(
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orientation=Gtk.Orientation.HORIZONTAL,
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spacing=8,
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halign=Gtk.Align.CENTER,
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margin_bottom=8,
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)
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self._switch = Gtk.Switch(valign=Gtk.Align.CENTER)
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self._switch.connect("state-set", self._on_toggled)
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controls.append(self._switch)
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restart_btn = Gtk.Button(
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icon_name="view-refresh-symbolic",
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valign=Gtk.Align.CENTER,
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tooltip_text="Restart",
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css_classes=["flat", "circular"],
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)
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restart_btn.connect("clicked", self._on_restart)
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controls.append(restart_btn)
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self.append(controls)
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# Initial state
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self.refresh()
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def _set_logo(self, icon_name: str):
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"""Set the tile logo from a PNG in the icons dir, or fall back to a symbolic icon."""
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if icon_name and ICON_DIR:
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png_path = os.path.join(ICON_DIR, f"{icon_name}.png")
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if os.path.isfile(png_path):
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pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(
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png_path, 48, 48, True
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)
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texture = Gdk.Texture.new_for_pixbuf(pixbuf)
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self._logo.set_from_paintable(texture)
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return
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# Fallback: themed symbolic icon
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self._logo.set_from_icon_name("system-run-symbolic")
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# ── public API ──
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def refresh(self):
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"""Poll systemctl and update the tile."""
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active_state = systemctl.is_active(self._unit, self._scope)
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enabled_state = systemctl.is_enabled(self._unit, self._scope)
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is_active = active_state == "active"
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is_loading = active_state in LOADING_STATES
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is_failed = active_state == "failed"
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# Block the handler so we don't trigger a start/stop
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self._switch.handler_block_by_func(self._on_toggled)
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self._switch.set_active(is_active)
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self._switch.handler_unblock_by_func(self._on_toggled)
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self._switch.set_sensitive(not is_loading)
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# Status text + color
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if is_failed:
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self._status_label.set_label("● failed")
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self._status_label.set_css_classes(["caption", "error"])
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elif is_active:
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self._status_label.set_label("● running")
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self._status_label.set_css_classes(["caption", "success"])
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elif is_loading:
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self._status_label.set_label(f"● {active_state}")
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self._status_label.set_css_classes(["caption", "warning"])
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else:
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self._status_label.set_label(f"● {active_state}")
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self._status_label.set_css_classes(["caption", "dim-label"])
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# ── signal handlers ──
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def _on_toggled(self, switch: Gtk.Switch, state: bool) -> bool:
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action = "start" if state else "stop"
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systemctl.run_action(action, self._unit, self._scope, self._method)
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GLib.timeout_add(1500, self.refresh)
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return False
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def _on_restart(self, _btn: Gtk.Button):
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systemctl.run_action("restart", self._unit, self._scope, self._method)
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GLib.timeout_add(1500, self.refresh)
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