Source code for NanoVNASaver.Inputs
# NanoVNASaver
#
# A python program to view and export Touchstone data from a NanoVNA
# Copyright (C) 2019, 2020 Rune B. Broberg
# Copyright (C) 2020,2021 NanoVNA-Saver Authors
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from PyQt6 import QtGui, QtWidgets, QtCore
from NanoVNASaver.Formatting import format_frequency_inputs
[docs]class FrequencyInputWidget(QtWidgets.QLineEdit):
def __init__(self, text=""):
super().__init__(text)
self.nextFrequency = -1
self.previousFrequency = -1
[docs]class MarkerFrequencyInputWidget(FrequencyInputWidget):
[docs] def keyPressEvent(self, a0: QtGui.QKeyEvent) -> None:
if a0.type() == QtGui.QKeyEvent.Type.KeyPress:
if a0.key() == QtCore.Qt.Key.Key_Up and self.nextFrequency != -1:
a0.accept()
self.setText(str(self.nextFrequency))
self.editingFinished.emit() # self.text())
return
if (
a0.key() == QtCore.Qt.Key.Key_Down
and self.previousFrequency != -1
):
a0.accept()
self.setText(str(self.previousFrequency))
self.editingFinished.emit() # self.text())
return
super().keyPressEvent(a0)