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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from PySide6.QtWidgets import QComboBox
from PySide6.QtGui import QIntValidator
from PySide6.QtCore import Slot
class BitRateBox(QComboBox):
def __init__(self, parent):
super().__init__(parent)
self.m_isFlexibleDataRateEnabled = False
self.m_customSpeedValidator = None
self.m_customSpeedValidator = QIntValidator(0, 1000000, self)
self.fill_bit_rates()
self.currentIndexChanged.connect(self.check_custom_speed_policy)
def bit_rate(self):
index = self.currentIndex()
if index == self.count() - 1:
return int(self.currentText)
return int(self.itemData(index))
def is_flexible_data_rate_enabled(self):
return self.m_isFlexibleDataRateEnabled
def set_flexible_date_rate_enabled(self, enabled):
self.m_isFlexibleDataRateEnabled = enabled
self.m_customSpeedValidator.setTop(10000000 if enabled else 1000000)
self.fill_bit_rates()
@Slot(int)
def check_custom_speed_policy(self, idx):
is_custom_speed = not self.itemData(idx)
self.setEditable(is_custom_speed)
if is_custom_speed:
self.clearEditText()
self.lineEdit().setValidator(self.m_customSpeedValidator)
def fill_bit_rates(self):
rates = [10000, 20000, 50000, 100000, 125000, 250000, 500000,
800000, 1000000]
data_rates = [2000000, 4000000, 8000000]
self.clear()
for rate in rates:
self.addItem(f"{rate}", rate)
if self.is_flexible_data_rate_enabled():
for rate in data_rates:
self.addItem(f"{rate}", rate)
self.addItem("Custom")
self.setCurrentIndex(6) # default is 500000 bits/sec
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