1 files changed, 174 insertions, 0 deletions
diff --git a/daq_system/ui/config_dialog.py b/daq_system/ui/config_dialog.py
new file mode 100644
index 0000000..a7b0cdf
--- /dev/null
+++ b/daq_system/ui/config_dialog.py
@@ -0,0 +1,174 @@
+"""
+ui/config_dialog.py  —  Per-device configuration dialog.
+"""
+
+from PyQt6.QtWidgets import (
+    QDialog, QVBoxLayout, QHBoxLayout, QLabel,
+    QPushButton, QTabWidget, QWidget, QFormLayout,
+    QLineEdit, QDoubleSpinBox, QCheckBox, QScrollArea
+)
+from PyQt6.QtCore import Qt
+
+
+class DeviceConfigDialog(QDialog):
+    def __init__(self, device, parent=None):
+        super().__init__(parent)
+        self.device = device
+        self.setWindowTitle(f"Configure: {device.info.name}  [{device.info.device_id}]")
+        self.setMinimumSize(500, 400)
+        self._build()
+
+    def _build(self):
+        layout = QVBoxLayout(self)
+
+        tabs = QTabWidget()
+
+        # Tab 1: Device-specific config widget
+        dev_tab = QScrollArea()
+        dev_tab.setWidgetResizable(True)
+        dev_tab.setWidget(self.device.get_config_widget())
+        tabs.addTab(dev_tab, "Device Settings")
+
+        # Tab 2: Channel config
+        ch_tab = self._build_channel_tab()
+        tabs.addTab(ch_tab, "Channels")
+
+        layout.addWidget(tabs)
+
+        # Buttons
+        btn_row = QHBoxLayout()
+        btn_row.addStretch()
+        ok = QPushButton("Close")
+        ok.setDefault(True)
+        ok.clicked.connect(self.accept)
+        btn_row.addWidget(ok)
+        layout.addLayout(btn_row)
+
+    def _build_channel_tab(self):
+        w = QWidget()
+        layout = QVBoxLayout(w)
+        for ch in self.device.info.channels:
+            grp_layout = QFormLayout()
+            name_edit = QLineEdit(ch.name)
+            unit_edit = QLineEdit(ch.unit)
+            en_check = QCheckBox()
+            en_check.setChecked(ch.enabled)
+
+            lo_spin = QDoubleSpinBox()
+            lo_spin.setRange(-1e9, 1e9)
+            lo_spin.setValue(ch.alarm_low or 0.0)
+
+            hi_spin = QDoubleSpinBox()
+            hi_spin.setRange(-1e9, 1e9)
+            hi_spin.setValue(ch.alarm_high or 100.0)
+
+            grp_layout.addRow(f"[{ch.channel_id}] Name:", name_edit)
+            grp_layout.addRow("Unit:", unit_edit)
+            grp_layout.addRow("Enabled:", en_check)
+            grp_layout.addRow("Alarm Low:", lo_spin)
+            grp_layout.addRow("Alarm High:", hi_spin)
+
+            def make_apply(c, ne, ue, ec, ls, hs):
+                def apply():
+                    c.name = ne.text()
+                    c.unit = ue.text()
+                    c.enabled = ec.isChecked()
+                    c.alarm_low = ls.value()
+                    c.alarm_high = hs.value()
+                return apply
+
+            apply_btn = QPushButton("Apply")
+            apply_btn.clicked.connect(make_apply(ch, name_edit, unit_edit, en_check, lo_spin, hi_spin))
+            grp_layout.addRow(apply_btn)
+            layout.addLayout(grp_layout)
+
+        layout.addStretch()
+        return w
+
+
+# ------------------------------------------------------------------ #
+#  Add Device Dialog                                                   #
+# ------------------------------------------------------------------ #
+
+"""
+ui/add_device_dialog.py  —  Dialog for adding a new device to the system.
+"""
+
+from PyQt6.QtWidgets import (
+    QDialog, QVBoxLayout, QFormLayout, QComboBox,
+    QLineEdit, QCheckBox, QSpinBox, QPushButton, QHBoxLayout, QLabel
+)
+
+from devices.device_registry import DeviceRegistry
+from devices.analog_input import AnalogInputDevice
+from devices.digital_io import DigitalIODevice
+from devices.temperature import TemperatureDevice
+from devices.serial_device import SerialDevice
+
+
+DEVICE_CONSTRUCTORS = {
+    "Analog Input": AnalogInputDevice,
+    "Digital I/O": DigitalIODevice,
+    "Temperature": TemperatureDevice,
+    "Serial / UART": SerialDevice,
+}
+
+
+class AddDeviceDialog(QDialog):
+    def __init__(self, registry: DeviceRegistry, parent=None):
+        super().__init__(parent)
+        self.registry = registry
+        self.created_device = None
+        self.setWindowTitle("Add Device")
+        self.setMinimumWidth(340)
+        self._build()
+
+    def _build(self):
+        layout = QVBoxLayout(self)
+        form = QFormLayout()
+
+        self.type_cb = QComboBox()
+        self.type_cb.addItems(list(DEVICE_CONSTRUCTORS.keys()))
+        form.addRow("Device Type:", self.type_cb)
+
+        self.id_edit = QLineEdit()
+        self.id_edit.setPlaceholderText("e.g. ai_1")
+        form.addRow("Device ID:", self.id_edit)
+
+        self.ch_spin = QSpinBox()
+        self.ch_spin.setRange(1, 16)
+        self.ch_spin.setValue(4)
+        form.addRow("# Channels:", self.ch_spin)
+
+        self.sim_check = QCheckBox("Simulation Mode")
+        self.sim_check.setChecked(True)
+        form.addRow(self.sim_check)
+
+        layout.addLayout(form)
+
+        btns = QHBoxLayout()
+        btns.addStretch()
+        cancel = QPushButton("Cancel")
+        cancel.clicked.connect(self.reject)
+        add = QPushButton("Add")
+        add.setDefault(True)
+        add.clicked.connect(self._on_add)
+        btns.addWidget(cancel)
+        btns.addWidget(add)
+        layout.addLayout(btns)
+
+    def _on_add(self):
+        dev_type = self.type_cb.currentText()
+        dev_id = self.id_edit.text().strip() or f"dev_{len(self.registry)}"
+        cls = DEVICE_CONSTRUCTORS[dev_type]
+        try:
+            dev = cls(
+                device_id=dev_id,
+                num_channels=self.ch_spin.value(),
+                simulate=self.sim_check.isChecked()
+            )
+            self.created_device = dev
+            self.accept()
+        except Exception as e:
+            from PyQt6.QtWidgets import QMessageBox
+            QMessageBox.critical(self, "Error", str(e))