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"""
ui/devices_window.py
Floating "Devices" settings window.
Opens from the toolbar ⚙ DEVICES button; can stay open alongside the main window.
Contains: device status cards, Add Device, and per-device Configure.
"""
from PyQt6.QtWidgets import (
QWidget, QVBoxLayout, QHBoxLayout, QLabel,
QPushButton, QScrollArea, QFrame, QSizePolicy,
QDialog,
)
from PyQt6.QtCore import Qt, pyqtSignal, QTimer
from PyQt6.QtGui import QCloseEvent
from devices.base_device import DeviceStatus
from devices.device_registry import DeviceRegistry
from core.acquisition import AcquisitionEngine
_STATUS_STYLE = {
DeviceStatus.CONNECTED: "color:#22c55e;",
DeviceStatus.SIMULATED: "color:#3b82f6;",
DeviceStatus.DISCONNECTED: "color:#475569;",
DeviceStatus.CONNECTING: "color:#f59e0b;",
DeviceStatus.ERROR: "color:#ef4444;",
}
_STATUS_LABEL = {
DeviceStatus.CONNECTED: "CONNECTED",
DeviceStatus.SIMULATED: "SIMULATED",
DeviceStatus.DISCONNECTED: "OFFLINE",
DeviceStatus.CONNECTING: "CONNECTING",
DeviceStatus.ERROR: "ERROR",
}
class DeviceCard(QFrame):
config_requested = pyqtSignal(str)
def __init__(self, device):
super().__init__()
self.device = device
self.setObjectName("deviceCard")
self._build()
def _build(self):
layout = QVBoxLayout(self)
layout.setContentsMargins(10, 10, 10, 10)
layout.setSpacing(5)
# Header: icon + name + status dot
hdr = QHBoxLayout()
icon_lbl = QLabel(self.device.info.icon)
icon_lbl.setObjectName("deviceIcon")
hdr.addWidget(icon_lbl)
name_lbl = QLabel(self.device.info.name)
name_lbl.setObjectName("deviceName")
hdr.addWidget(name_lbl, 1)
self._dot = QLabel("●")
self._dot.setStyleSheet(
_STATUS_STYLE.get(self.device.status, "color:#475569;") + " font-size:10px;"
)
hdr.addWidget(self._dot)
layout.addLayout(hdr)
# ID
id_lbl = QLabel(self.device.info.device_id)
id_lbl.setObjectName("deviceSub")
layout.addWidget(id_lbl)
# Status text
self._status_lbl = QLabel(_STATUS_LABEL.get(self.device.status, "UNKNOWN"))
self._apply_status_style()
layout.addWidget(self._status_lbl)
# Channel count · type
n = sum(1 for c in self.device.info.channels if c.enabled)
ch_lbl = QLabel(f"{n} ch · {self.device.info.device_type}")
ch_lbl.setObjectName("deviceChannelCount")
layout.addWidget(ch_lbl)
# Configure button
cfg = QPushButton("Configure")
cfg.setObjectName("configButton")
cfg.clicked.connect(lambda: self.config_requested.emit(self.device.info.device_id))
layout.addWidget(cfg)
def refresh(self):
dot_style = _STATUS_STYLE.get(self.device.status, "color:#475569;") + " font-size:10px;"
self._dot.setStyleSheet(dot_style)
self._status_lbl.setText(_STATUS_LABEL.get(self.device.status, "UNKNOWN"))
self._apply_status_style()
def _apply_status_style(self):
s = _STATUS_STYLE.get(self.device.status, "color:#475569;")
self._status_lbl.setStyleSheet(
s + " font-family:'IBM Plex Mono',monospace;"
" font-size:10px; font-weight:700; letter-spacing:1px;"
)
class DevicesWindow(QWidget):
"""
Standalone floating window for device management.
Signals
-------
config_requested(device_id) — user clicked Configure on a card
device_added() — a new device was added via the dialog
closed() — window was closed (so toolbar btn can untoggle)
"""
config_requested = pyqtSignal(str)
device_added = pyqtSignal()
closed = pyqtSignal()
def __init__(self, registry: DeviceRegistry, engine: AcquisitionEngine, parent=None):
super().__init__(
parent,
# Acts like a real standalone window but stays on top of parent
Qt.WindowType.Window |
Qt.WindowType.Tool,
)
self.registry = registry
self.engine = engine
self._cards: dict = {}
self.setWindowTitle("Devices")
self.setMinimumSize(300, 480)
self.resize(320, 600)
self._build()
self.refresh()
self._timer = QTimer(self)
self._timer.setInterval(2000)
self._timer.timeout.connect(self._refresh_status)
self._timer.start()
# ── Build ─────────────────────────────────────────────────────────────
def _build(self):
root = QVBoxLayout(self)
root.setContentsMargins(0, 0, 0, 0)
root.setSpacing(0)
# ── Title bar row ──────────────────────────────────────────────
title_bar = QWidget()
title_bar.setObjectName("devWindowTitleBar")
title_bar.setFixedHeight(40)
tb_lay = QHBoxLayout(title_bar)
tb_lay.setContentsMargins(12, 0, 8, 0)
title_lbl = QLabel("⚙ DEVICES")
title_lbl.setObjectName("devWindowTitle")
tb_lay.addWidget(title_lbl, 1)
self._add_btn = QPushButton("＋ Add")
self._add_btn.setObjectName("addDeviceButton")
self._add_btn.clicked.connect(self._on_add)
tb_lay.addWidget(self._add_btn)
root.addWidget(title_bar)
# ── Divider ────────────────────────────────────────────────────
div = QFrame()
div.setFrameShape(QFrame.Shape.HLine)
div.setObjectName("devWindowDivider")
root.addWidget(div)
# ── Scrollable device cards ────────────────────────────────────
scroll = QScrollArea()
scroll.setObjectName("deviceScroll")
scroll.setWidgetResizable(True)
scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
self._container = QWidget()
self._inner = QVBoxLayout(self._container)
self._inner.setContentsMargins(10, 10, 10, 10)
self._inner.setSpacing(10)
self._inner.addStretch()
scroll.setWidget(self._container)
root.addWidget(scroll)
# ── Public API ────────────────────────────────────────────────────────
def refresh(self):
"""Rebuild all device cards from current registry state."""
for card in self._cards.values():
self._inner.removeWidget(card)
card.deleteLater()
self._cards.clear()
for dev in self.registry.all_instances():
card = DeviceCard(dev)
card.config_requested.connect(self.config_requested.emit)
self._inner.insertWidget(self._inner.count() - 1, card)
self._cards[dev.info.device_id] = card
# ── Slots ────────────────────────────────────────────────────────────
def _on_add(self):
from ui.add_device_dialog import AddDeviceDialog
from ui.config_dialog import DeviceConfigDialog
dlg = AddDeviceDialog(self.registry, self)
if dlg.exec():
dev = dlg.created_device
if dev:
dev.connect()
self.registry.add_instance(dev)
self.engine.add_device(dev)
self.refresh()
self.device_added.emit()
def _refresh_status(self):
for card in self._cards.values():
card.refresh()
def closeEvent(self, event: QCloseEvent):
self.closed.emit()
event.accept()
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