1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
#!/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 gnuradio import gr
import pmt
from PyQt5.QtWidgets import QFrame, QHBoxLayout, QVBoxLayout, QLabel
from PyQt5.QtGui import QPainter, QBrush, QColor, QPen, QFontMetricsF
from PyQt5.QtCore import Qt as Qtc
from PyQt5.QtCore import QRect
class LabeledToggleSwitch(QFrame):
# Positions: 1 = above, 2=below, 3=left, 4=right
def __init__(self, lbl='', onColor='green', offColor='red', initialState=False,
maxSize=50, position=1, parent=None, callback=None, alignment=1, valignment=1):
QFrame.__init__(self, parent)
self.numberControl = ToggleSwitch(onColor, offColor, initialState, maxSize,
parent, callback)
if position < 3:
layout = QVBoxLayout()
else:
layout = QHBoxLayout()
self.lbl = lbl
self.lblcontrol = QLabel(lbl, self)
if position == 3: # left of switch
self.lblcontrol.setAlignment(Qtc.AlignRight)
elif position == 4: # right of switch
self.lblcontrol.setAlignment(Qtc.AlignLeft)
else:
# Above or below
self.lblcontrol.setAlignment(Qtc.AlignCenter)
# add top or left
if len:
if position == 1 or position == 3:
layout.addWidget(self.lblcontrol)
layout.addWidget(self.numberControl)
# Add bottom or right
if len:
if position == 2 or position == 4:
layout.addWidget(self.lblcontrol)
if alignment == 1:
halign = Qtc.AlignCenter
elif alignment == 2:
halign = Qtc.AlignLeft
else:
halign = Qtc.AlignRight
if valignment == 1:
valign = Qtc.AlignVCenter
elif valignment == 2:
valign = Qtc.AlignTop
else:
valign = Qtc.AlignBottom
layout.setAlignment(halign | valign)
self.setLayout(layout)
textfont = self.lblcontrol.font()
metrics = QFontMetricsF(textfont)
maxWidth = max((maxSize+4), (maxSize*2 + metrics.width(lbl)))
maxHeight = max((maxSize/2+4), (maxSize/2 + metrics.height()+2))
self.setMinimumSize(int(maxWidth), int(maxHeight))
self.show()
def setState(self, on_off):
self.numberControl.setState(on_off)
class ToggleSwitch(QFrame):
def __init__(self, onColor='green', offColor='red', initialState=False, maxSize=50,
parent=None, callback=None):
QFrame.__init__(self, parent)
self.maxSize = maxSize
self.curState = initialState
self.onColor = QColor(onColor)
self.offColor = QColor(offColor)
self.callback = callback
self.setMinimumSize(maxSize, maxSize/2)
self.setMaximumSize(maxSize, maxSize/2)
def setState(self, on_off):
self.curState = on_off
if self.callback is not None:
self.callback(on_off)
super().update()
def paintEvent(self, event):
super().paintEvent(event)
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
size = self.size()
brush = QBrush()
center_x = size.width()/2
if self.curState:
brush.setColor(self.onColor)
painter.setPen(QPen(self.onColor, 0))
else:
brush.setColor(self.offColor)
painter.setPen(QPen(self.offColor, 0))
brush.setStyle(Qtc.SolidPattern)
painter.setBrush(brush)
# Draw the switch background
centerRect = QRect(size.width()/4, 0, size.width()/2-4, size.height())
painter.drawRect(centerRect)
painter.drawEllipse(0, 0, size.height(), size.height())
painter.drawEllipse(size.width()/2, 0, size.height(), size.height())
# Draw the switch itself
brush.setColor(QColor('white'))
painter.setBrush(brush)
painter.setPen(QPen(QColor('white'), 0))
if self.curState:
painter.drawEllipse(center_x+2, 2, size.height() - 4, size.height() - 4)
else:
painter.drawEllipse(2, 2, size.height() - 4, size.height() - 4)
def mousePressEvent(self, event):
if event.x() <= self.size().width()/2:
self.setState(False)
else:
self.setState(True)
super().update()
class GrToggleSwitch(gr.sync_block, LabeledToggleSwitch):
"""
This block creates a modern toggle switch. The variable will take
on one value or the other as set in the dialog. This button will
also produce a state message matching the set values.
"""
def __init__(self, callback, lbl, pressedReleasedDict, initialState=False,
onColor='green', offColor='silver', position=3, maxSize=50,
alignment=1, valignment=1, parent=None, outputmsgname='value'):
gr.sync_block.__init__(self, name="ToggleSwitch", in_sig=None, out_sig=None)
LabeledToggleSwitch.__init__(self, lbl, onColor, offColor, initialState,
maxSize, position, parent, self.notifyUpdate,
alignment, valignment)
self.outputmsgname = outputmsgname
self.pressReleasedDict = pressedReleasedDict
self.callback = callback
self.message_port_register_out(pmt.intern("state"))
def notifyUpdate(self, new_val):
if self.callback is not None:
if new_val:
self.callback(self.pressReleasedDict['Pressed'])
else:
self.callback(self.pressReleasedDict['Released'])
if new_val:
if type(self.pressReleasedDict['Pressed']) == bool:
self.message_port_pub(pmt.intern("state"),
pmt.cons(pmt.intern(self.outputmsgname),
pmt.from_bool(self.pressReleasedDict['Pressed'])))
elif type(self.pressReleasedDict['Pressed']) == int:
self.message_port_pub(pmt.intern("state"),
pmt.cons(pmt.intern(self.outputmsgname),
pmt.from_long(self.pressReleasedDict['Pressed'])))
elif type(self.pressReleasedDict['Pressed']) == float:
self.message_port_pub(pmt.intern("state"),
pmt.cons(pmt.intern(self.outputmsgname),
pmt.from_double(self.pressReleasedDict['Pressed'])))
else:
self.message_port_pub(pmt.intern("state"),
pmt.cons(pmt.intern(self.outputmsgname),
pmt.intern(self.pressReleasedDict['Pressed'])))
else:
if type(self.pressReleasedDict['Released']) == bool:
self.message_port_pub(pmt.intern("state"),
pmt.cons(pmt.intern(self.outputmsgname),
pmt.from_bool(self.pressReleasedDict['Released'])))
elif type(self.pressReleasedDict['Released']) == int:
self.message_port_pub(pmt.intern("state"),
pmt.cons(pmt.intern(self.outputmsgname),
pmt.from_long(self.pressReleasedDict['Released'])))
elif type(self.pressReleasedDict['Released']) == float:
self.message_port_pub(pmt.intern("state"),
pmt.cons(pmt.intern(self.outputmsgname),
pmt.from_double(self.pressReleasedDict['Released'])))
else:
self.message_port_pub(pmt.intern("state"),
pmt.cons(pmt.intern(self.outputmsgname),
pmt.intern(self.pressReleasedDict['Released'])))
|
