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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2020 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
from PyQt5 import Qt
from gnuradio import gr
import pmt
class MsgPushButton(gr.sync_block, Qt.QPushButton):
"""
This block creates a variable push button that creates a message
when clicked. Leave the label blank to use the variable id as
the label. You can define both the output message pmt name as
well as the value and value type.
"""
def __init__(self, lbl, msgName, msgValue, relBackColor, relFontColor):
gr.sync_block.__init__(self, name="MsgPushButton",
in_sig=None, out_sig=None)
Qt.QPushButton.__init__(self, lbl)
self.lbl = lbl
self.msgName = msgName
self.msgValue = msgValue
styleStr = ""
if relBackColor != 'default':
styleStr = "background-color: " + relBackColor + "; "
if relFontColor:
styleStr += "color: " + relFontColor + "; "
self.setStyleSheet(styleStr)
self.clicked[bool].connect(self.onBtnClicked)
self.message_port_register_out(pmt.intern("pressed"))
def onBtnClicked(self, pressed):
if type(self.msgValue) == int:
self.message_port_pub(pmt.intern("pressed"),
pmt.cons(pmt.intern(self.msgName), pmt.from_long(self.msgValue)))
elif type(self.msgValue) == float:
self.message_port_pub(pmt.intern("pressed"),
pmt.cons(pmt.intern(self.msgName), pmt.from_double(self.msgValue)))
elif type(self.msgValue) == str:
self.message_port_pub(pmt.intern("pressed"),
pmt.cons(pmt.intern(self.msgName), pmt.intern(self.msgValue)))
elif type(self.msgValue) == bool:
self.message_port_pub(pmt.intern("pressed"),
pmt.cons(pmt.intern(self.msgName), pmt.from_bool(self.msgValue)))
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