diff options
Diffstat (limited to 'ui/control_panel.py')
| -rw-r--r-- | ui/control_panel.py | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/ui/control_panel.py b/ui/control_panel.py index 3499a44..adf48e6 100644 --- a/ui/control_panel.py +++ b/ui/control_panel.py @@ -88,6 +88,8 @@ class ControlWidget(QFrame): self._compile_action(on_action_script) self.setObjectName("controlWidget") self._build_frame() + self._stale = None + self._check_stale() def _compile_action(self, script: str): try: @@ -96,6 +98,31 @@ class ControlWidget(QFrame): except SyntaxError as e: print(f"[Control '{self.title}'] script syntax error: {e}") + def _check_stale(self): + """Re-evaluate whether this control's target signal is currently + reachable — unbound controls (no device/channel assigned) are never + stale, only ones pointing at a signal that's since gone missing.""" + stale = False + if self.device_id and self.channel_id: + dev = self.registry.get_instance(self.device_id) if self.registry else None + if dev is None: + stale = True + else: + ch = dev.get_channel(self.channel_id) + if ch is None or not ch.enabled: + stale = True + elif dev.status not in (DeviceStatus.CONNECTED, DeviceStatus.SIMULATED): + stale = True + self._set_stale(stale) + + def _set_stale(self, stale: bool): + if self._stale == stale: + return + self._stale = stale + self._stale_lbl.setVisible(stale) + self.setProperty("stale", "true" if stale else "false") + self.style().unpolish(self); self.style().polish(self) + def _logic_level(self, enabled: bool) -> float: """Map logical ON/OFF to electrical level, respecting active-low outputs.""" if self.active_low: @@ -123,6 +150,11 @@ class ControlWidget(QFrame): title_lbl.setAttribute(Qt.WidgetAttribute.WA_TransparentForMouseEvents) hdr_lay.addWidget(icon_lbl) hdr_lay.addWidget(title_lbl, 1) + self._stale_lbl = QLabel("⚠") + self._stale_lbl.setObjectName("controlWidgetStale") + self._stale_lbl.setToolTip("Target signal not connected") + self._stale_lbl.setVisible(False) + hdr_lay.addWidget(self._stale_lbl) self._header = hdr self._header_layout = hdr_lay outer.addWidget(hdr) @@ -635,13 +667,20 @@ class ControlPanel(QWidget): controls_changed = pyqtSignal() # emitted whenever widgets are added/edited/removed - def __init__(self, registry: DeviceRegistry, processor=None): + def __init__(self, registry: DeviceRegistry, processor=None, engine=None): super().__init__() self.registry = registry self.processor = processor + self.engine = engine self._widgets: list[ControlWidget] = [] self._specs: list = [] # parallel list of ControlSpec self._build() + if engine is not None: + engine.device_status_changed.connect(self._on_device_status_changed) + + def _on_device_status_changed(self, device_id: str, status: str): + for w in self._widgets: + w._check_stale() # ── Layout ─────────────────────────────────────────────────────────────── |