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big_number: fix metadata scaling, add unit label

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Simon Renblad 2023-10-05 12:54:08 +08:00 committed by Sébastien Bourdeauducq
parent f3c79e71e1
commit 96941d7c04
1 changed files with 38 additions and 14 deletions
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52
artiq/applets/big_number.py
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@ -2,6 +2,8 @@
from PyQt5 import QtWidgets, QtCore, QtGui
from artiq.applets.simple import SimpleApplet
from artiq.tools import scale_from_metadata
from artiq.gui.tools import LayoutWidget
class QResponsiveLCDNumber(QtWidgets.QLCDNumber):
@ -21,29 +23,41 @@ class QCancellableLineEdit(QtWidgets.QLineEdit):
super().keyPressEvent(event)
class NumberWidget(QtWidgets.QStackedWidget):
class NumberWidget(LayoutWidget):
def __init__(self, args, req):
QtWidgets.QStackedWidget.__init__(self)
LayoutWidget.__init__(self)
self.dataset_name = args.dataset
self.req = req
self.metadata = dict()
self.number_area = QtWidgets.QStackedWidget()
self.addWidget(self.number_area, 0, 0)
self.unit_area = QtWidgets.QLabel()
self.unit_area.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignTop)
self.addWidget(self.unit_area, 0, 1)
self.lcd_widget = QResponsiveLCDNumber()
self.lcd_widget.setDigitCount(args.digit_count)
self.lcd_widget.doubleClicked.connect(self.start_edit)
self.addWidget(self.lcd_widget)
self.number_area.addWidget(self.lcd_widget)
self.edit_widget = QCancellableLineEdit()
self.edit_widget.setValidator(QtGui.QDoubleValidator())
self.edit_widget.setAlignment(QtCore.Qt.AlignRight)
self.edit_widget.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
self.edit_widget.editCancelled.connect(self.cancel_edit)
self.edit_widget.returnPressed.connect(self.confirm_edit)
self.addWidget(self.edit_widget)
self.number_area.addWidget(self.edit_widget)
font = QtGui.QFont()
font.setPointSize(60)
self.edit_widget.setFont(font)
self.setCurrentWidget(self.lcd_widget)
unit_font = QtGui.QFont()
unit_font.setPointSize(20)
self.unit_area.setFont(unit_font)
self.number_area.setCurrentWidget(self.lcd_widget)
def start_edit(self):
# QLCDNumber value property contains the value of zero
@ -51,22 +65,32 @@ class NumberWidget(QtWidgets.QStackedWidget):
self.edit_widget.setText(str(self.lcd_widget.value()))
self.edit_widget.selectAll()
self.edit_widget.setFocus()
self.setCurrentWidget(self.edit_widget)
self.number_area.setCurrentWidget(self.edit_widget)
def confirm_edit(self):
value = float(self.edit_widget.text())
self.req.set_dataset(self.dataset_name, value)
self.setCurrentWidget(self.lcd_widget)
scale = scale_from_metadata(self.metadata)
val = float(self.edit_widget.text())
val *= scale
self.req.set_dataset(self.dataset_name, val, **self.metadata)
self.number_area.setCurrentWidget(self.lcd_widget)
def cancel_edit(self):
self.setCurrentWidget(self.lcd_widget)
self.number_area.setCurrentWidget(self.lcd_widget)
def data_changed(self, value, metadata, persist, mods):
try:
n = float(value[self.dataset_name])
self.metadata = metadata[self.dataset_name]
# This applet will degenerate other scalar types to native float on edit
# Use the dashboard ChangeEditDialog for consistent type casting
val = float(value[self.dataset_name])
scale = scale_from_metadata(self.metadata)
val /= scale
except (KeyError, ValueError, TypeError):
n = "---"
self.lcd_widget.display(n)
val = "---"
unit = self.metadata.get("unit", "")
self.unit_area.setText(unit)
self.lcd_widget.display(val)
def main():