1 files changed, 128 insertions, 0 deletions
diff --git a/daq_system/ui/readout_panel.py b/daq_system/ui/readout_panel.py
new file mode 100644
index 0000000..6086c30
--- /dev/null
+++ b/daq_system/ui/readout_panel.py
@@ -0,0 +1,128 @@
+"""
+ui/readout_panel.py
+
+Right-side numeric readout panel. Shows current value for every channel
+with a colored bar indicator and alarm highlighting.
+"""
+
+from PyQt6.QtWidgets import (
+    QWidget, QVBoxLayout, QHBoxLayout, QLabel,
+    QScrollArea, QFrame, QProgressBar
+)
+from PyQt6.QtCore import Qt, pyqtSlot
+from PyQt6.QtGui import QColor
+
+from devices.device_registry import DeviceRegistry
+
+
+class ChannelReadout(QFrame):
+    def __init__(self, device_name: str, channel_config, parent=None):
+        super().__init__(parent)
+        self.ch = channel_config
+        self.device_name = device_name
+        self.setObjectName("channelReadout")
+        self._alarm_active = False
+        self._build()
+
+    def _build(self):
+        layout = QVBoxLayout(self)
+        layout.setContentsMargins(8, 6, 8, 6)
+        layout.setSpacing(2)
+
+        top = QHBoxLayout()
+        self.name_lbl = QLabel(f"{self.ch.name}")
+        self.name_lbl.setObjectName("readoutName")
+        top.addWidget(self.name_lbl)
+        top.addStretch()
+        self.value_lbl = QLabel("---")
+        self.value_lbl.setObjectName("readoutValue")
+        self.value_lbl.setStyleSheet(f"color: {self.ch.color};")
+        top.addWidget(self.value_lbl)
+        unit = QLabel(self.ch.unit)
+        unit.setObjectName("readoutUnit")
+        top.addWidget(unit)
+        layout.addLayout(top)
+
+        # Mini bar
+        self.bar = QProgressBar()
+        self.bar.setRange(0, 1000)
+        self.bar.setValue(0)
+        self.bar.setTextVisible(False)
+        self.bar.setMaximumHeight(4)
+        self.bar.setObjectName("readoutBar")
+        self.bar.setStyleSheet(
+            f"QProgressBar::chunk {{ background: {self.ch.color}; border-radius: 2px; }}"
+        )
+        layout.addWidget(self.bar)
+
+    def update_value(self, value: float):
+        self.value_lbl.setText(f"{value:.3f}")
+        rng = self.ch.max_value - self.ch.min_value
+        if rng > 0:
+            norm = int(((value - self.ch.min_value) / rng) * 1000)
+            self.bar.setValue(max(0, min(1000, norm)))
+
+    def set_alarm(self, active: bool):
+        if active != self._alarm_active:
+            self._alarm_active = active
+            self.setProperty("alarm", active)
+            self.style().unpolish(self)
+            self.style().polish(self)
+
+
+class ReadoutPanel(QWidget):
+    def __init__(self, registry: DeviceRegistry):
+        super().__init__()
+        self.registry = registry
+        self._readouts: dict = {}  # (device_id, channel_id) -> ChannelReadout
+        self._build_ui()
+        self.refresh()
+
+    def _build_ui(self):
+        layout = QVBoxLayout(self)
+        layout.setContentsMargins(0, 0, 0, 0)
+        layout.setSpacing(0)
+
+        hdr = QLabel("  CHANNELS")
+        hdr.setObjectName("panelHeader")
+        layout.addWidget(hdr)
+
+        scroll = QScrollArea()
+        scroll.setWidgetResizable(True)
+        scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
+
+        self._container = QWidget()
+        self._inner = QVBoxLayout(self._container)
+        self._inner.setContentsMargins(6, 6, 6, 6)
+        self._inner.setSpacing(4)
+        self._inner.addStretch()
+
+        scroll.setWidget(self._container)
+        layout.addWidget(scroll)
+
+    def refresh(self):
+        for w in self._readouts.values():
+            self._inner.removeWidget(w)
+            w.deleteLater()
+        self._readouts.clear()
+
+        for dev in self.registry.all_instances():
+            for ch in dev.info.channels:
+                if not ch.enabled:
+                    continue
+                ro = ChannelReadout(dev.info.name, ch)
+                self._inner.insertWidget(self._inner.count() - 1, ro)
+                self._readouts[(dev.info.device_id, ch.channel_id)] = ro
+
+    @pyqtSlot(str, str, float, float)
+    def on_new_data(self, device_id: str, channel_id: str, timestamp: float, value: float):
+        ro = self._readouts.get((device_id, channel_id))
+        if ro:
+            ro.update_value(value)
+            ch = ro.ch
+            alarm = False
+            if ch.alarm_low is not None and value < ch.alarm_low:
+                alarm = True
+            if ch.alarm_high is not None and value > ch.alarm_high:
+                alarm = True
+            ro.set_alarm(alarm)