Make Devices, Channels, Plot windows maximizable

Remove Qt.WindowType.Tool flag — it suppresses the maximize button.
Window now has standard chrome with minimize/maximize/close.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/ui/windows/plot_window.py b/ui/windows/plot_window.py
index 9a13781..0207af1 100644
--- a/ui/windows/plot_window.py
+++ b/ui/windows/plot_window.py
@@ -212,7 +212,7 @@ class PaneBlock(QFrame):
                 self._x_cb.addItem(f"{dev.info.device_id}/{ch.channel_id}  ({ch.name})",
                                    userData=f"{dev.info.device_id}/{ch.channel_id}")
         for dc in self.processor.get_derived():
-            self._x_cb.addItem(f"[derived] {dc.channel_id}",
+            self._x_cb.addItem(f"[virtual] {dc.channel_id}",
                                userData=f"derived/{dc.channel_id}")
         # Select current
         for i in range(self._x_cb.count()):
@@ -264,7 +264,7 @@ class PaneBlock(QFrame):
 
         pick_row = QHBoxLayout()
         self._picker = self._make_picker(); pick_row.addWidget(self._picker,1)
-        ab = QPushButton("＋ Add Signal"); ab.setObjectName("addTraceBtn")
+        ab = QPushButton("＋ Add Channel"); ab.setObjectName("addTraceBtn")
         ab.clicked.connect(self._on_add); pick_row.addWidget(ab)
         self._tlay.addLayout(pick_row)
         outer.addWidget(tr_w)
@@ -278,7 +278,7 @@ class PaneBlock(QFrame):
                 cb.addItem(f"{dev.info.device_id} / {ch.channel_id}  ({ch.name})",
                            userData=(dev.info.device_id, ch.channel_id, ch.name, ch.color))
         for dc in self.processor.get_derived():
-            cb.addItem(f"[derived] {dc.channel_id}  ({dc.name})",
+            cb.addItem(f"[virtual] {dc.channel_id}  ({dc.name})",
                        userData=("derived", dc.channel_id, dc.name, dc.color))
         return cb
 
@@ -314,7 +314,7 @@ class PlotWindow(QWidget):
 
     def __init__(self, registry: DeviceRegistry, processor: SignalProcessor,
                  current: Optional[LayoutConfig] = None, parent=None):
-        super().__init__(parent, Qt.WindowType.Window | Qt.WindowType.Tool)
+        super().__init__(parent, Qt.WindowType.Window)
         self.registry  = registry
         self.processor = processor
         self.cfg       = deepcopy(current) if current \