waveform: cleanups

artiq/dashboard/waveform.py

@@ -29,6 +29,37 @@ DISPLAY_HIGH = 1
 DISPLAY_MID = 0.5
 
 
+class _CursorTimeControl(QtWidgets.QLineEdit):
+    submit = QtCore.pyqtSignal(float)
+    PRECISION = 15
+
+    def __init__(self, parent, state):
+        QtWidgets.QLineEdit.__init__(self, parent=parent)
+        self._value = 0
+        self._state = state
+        self.display_value(0)
+        self.textChanged.connect(self._on_text_change)
+        self.returnPressed.connect(self._on_return_press)
+
+    def _on_text_change(self, text):
+        try:
+            self._value = pg.siEval(text) * (1e12 / self._state["timescale"])
+        except Exception:
+            # invalid text entry is ignored, resets to valid value on return pressed
+            pass
+
+    def display_value(self, val):
+        t = pg.siFormat(val * 1e-12 * self._state["timescale"], suffix="s",
+                        allowUnicode=False,
+                        precision=self.PRECISION)
+        self.setText(t)
+
+    def _on_return_press(self):
+        self.submit.emit(self._value)
+        self.display_value(self._value)
+        self.clearFocus()
+
+
 class Model(DictSyncTreeSepModel):
     def __init__(self, init):
         DictSyncTreeSepModel.__init__(self, "/", ["Channels"], init)
@@ -87,6 +118,7 @@ class _AddChannelDialog(QtWidgets.QDialog):
         self.accepted.emit(channels)
         self.close()
 
+
 # TODO: make private
 class BackgroundItem(pg.GraphicsWidgetAnchor, pg.GraphicsWidget):
     def __init__(self, parent, rect):
@@ -459,7 +491,8 @@ class WaveformArea(QtWidgets.QWidget):
         action = QtWidgets.QAction("Reset waveform heights", cw)
         action.triggered.connect(self._splitter.resetSizes)
         cw.addAction(action)
-
+        
+        # TODO: is the lambda necessary here
         cw.cursorMoved.connect(lambda x: self.on_cursor_move(x))
         cw.cursorMoved.connect(self.cursorMoved.emit)
 
@@ -539,38 +572,6 @@ class WaveformArea(QtWidgets.QWidget):
             cw.set_cursor_visible(self._cursor_visible)
 
 
-# TODO: move elsewhere -> this can be a late addition
-class _CursorTimeControl(QtWidgets.QLineEdit):
-    submit = QtCore.pyqtSignal(float)
-    PRECISION = 15
-
-    def __init__(self, parent, state):
-        QtWidgets.QLineEdit.__init__(self, parent=parent)
-        self._value = 0
-        self._state = state
-        self.display_value(0)
-        self.textChanged.connect(self._on_text_change)
-        self.returnPressed.connect(self._on_return_press)
-
-    def _on_text_change(self, text):
-        try:
-            self._value = pg.siEval(text) * (1e12 / self._state["timescale"])
-        except Exception:
-            # invalid text entry is ignored, resets to valid value on return pressed
-            pass
-
-    def display_value(self, val):
-        t = pg.siFormat(val * 1e-12 * self._state["timescale"], suffix="s",
-                        allowUnicode=False,
-                        precision=self.PRECISION)
-        self.setText(t)
-
-    def _on_return_press(self):
-        self.submit.emit(self._value)
-        self.display_value(self._value)
-        self.clearFocus()
-
-
 class _BaseProxyClient:
     def __init__(self):
         self.addr = None
@@ -627,8 +628,8 @@ class RPCProxyClient(_BaseProxyClient):
 
     async def reconnect_cr(self):
         await self.client.connect_rpc(self.addr,
-                                          self.port,
+                                      self.port,
-                                          "coreanalyzer_proxy_control")
+                                      "coreanalyzer_proxy_control")
 
     async def disconnect_cr(self):
         self.client.close_rpc()
@@ -645,6 +646,7 @@ class ReceiverProxyClient(_BaseProxyClient):
     async def disconnect_cr(self):
         await self.receiver.close()
 
+
 class WaveformDock(QtWidgets.QDockWidget):
     traceDataChanged = QtCore.pyqtSignal()