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[Commit-gnuradio] r11214 - gnuradio/branches/developers/trondeau/qtdigit
|
From: |
trondeau |
|
Subject: |
[Commit-gnuradio] r11214 - gnuradio/branches/developers/trondeau/qtdigital/gnuradio-examples/python/digital |
|
Date: |
Tue, 16 Jun 2009 21:52:29 -0600 (MDT) |
Author: trondeau
Date: 2009-06-16 21:52:29 -0600 (Tue, 16 Jun 2009)
New Revision: 11214
Added:
gnuradio/branches/developers/trondeau/qtdigital/gnuradio-examples/python/digital/benchmark_qt_rx.py
gnuradio/branches/developers/trondeau/qtdigital/gnuradio-examples/python/digital/qt_rx_window.ui
Log:
A QT application for the benchmark_rx example. Turn on the GUI withe the -G
option or it behaves like the normal benchmark_rx. The left-hand plot shows the
signal just after the USRP, and the right-hand side shows the signal out of the
synchronizer. Currently does not work with GMSK.
Added:
gnuradio/branches/developers/trondeau/qtdigital/gnuradio-examples/python/digital/benchmark_qt_rx.py
===================================================================
---
gnuradio/branches/developers/trondeau/qtdigital/gnuradio-examples/python/digital/benchmark_qt_rx.py
(rev 0)
+++
gnuradio/branches/developers/trondeau/qtdigital/gnuradio-examples/python/digital/benchmark_qt_rx.py
2009-06-17 03:52:29 UTC (rev 11214)
@@ -0,0 +1,430 @@
+#!/usr/bin/env python
+#
+# Copyright 2005,2006,2007,2009 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr, gru, modulation_utils
+from gnuradio import usrp
+from gnuradio import eng_notation
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+
+import random
+import struct
+import sys
+
+# from current dir
+from receive_path import receive_path
+
+try:
+ from gnuradio.qtgui import qtgui
+ from PyQt4 import QtGui, QtCore
+ import sip
+except ImportError:
+ print "Please install gr-qtgui."
+ sys.exit(1)
+
+try:
+ from qt_rx_window import Ui_DigitalWindow
+except ImportError:
+ print "Error: could not find qt_rx_window.py:"
+ print "\t\"pyuic4 qt_rx_window.ui -o qt_rx_window.py\""
+ sys.exit(1)
+
+#import os
+#print os.getpid()
+#raw_input('Attach and press enter: ')
+
+# ////////////////////////////////////////////////////////////////////
+# Define the QT Interface and Control Dialog
+# ////////////////////////////////////////////////////////////////////
+
+
+class dialog_box(QtGui.QMainWindow):
+ def __init__(self, snkRxIn, snkRx, fg, parent=None):
+
+ QtGui.QWidget.__init__(self, parent)
+ self.gui = Ui_DigitalWindow()
+ self.gui.setupUi(self)
+
+ self.fg = fg
+
+ self.set_frequency(self.fg.frequency())
+ self.set_gain(self.fg.gain())
+ self.set_decim(self.fg.decim())
+ self.set_gain_mu(self.fg.rx_gain_mu())
+ self.set_alpha(self.fg.rx_alpha())
+
+ # Add the qtsnk widgets to the hlayout box
+ self.gui.sinkLayout.addWidget(snkRxIn)
+ self.gui.sinkLayout.addWidget(snkRx)
+
+
+ # Connect up some signals
+ self.connect(self.gui.freqEdit, QtCore.SIGNAL("editingFinished()"),
+ self.freqEditText)
+ self.connect(self.gui.gainEdit, QtCore.SIGNAL("editingFinished()"),
+ self.gainEditText)
+ self.connect(self.gui.decimEdit, QtCore.SIGNAL("editingFinished()"),
+ self.decimEditText)
+ self.connect(self.gui.gainMuEdit, QtCore.SIGNAL("editingFinished()"),
+ self.gainMuEditText)
+ self.connect(self.gui.alphaEdit, QtCore.SIGNAL("editingFinished()"),
+ self.alphaEditText)
+
+ # Build a timer to update the packet number and PER fields
+ self.update_delay = 250 # time between updating packet rate fields
+ self.pkt_timer = QtCore.QTimer(self)
+ self.connect(self.pkt_timer, QtCore.SIGNAL("timeout()"),
+ self.updatePacketInfo)
+ self.pkt_timer.start(self.update_delay)
+
+
+ # Accessor functions for Gui to manipulate receiver parameters
+ def set_frequency(self, fo):
+ self.gui.freqEdit.setText(QtCore.QString("%1").arg(fo))
+
+ def set_gain(self, gain):
+ self.gui.gainEdit.setText(QtCore.QString("%1").arg(gain))
+
+ def set_decim(self, decim):
+ self.gui.decimEdit.setText(QtCore.QString("%1").arg(decim))
+
+ def set_gain_mu(self, gain):
+ self.gui.gainMuEdit.setText(QtCore.QString("%1").arg(gain))
+
+ def set_alpha(self, alpha):
+ self.gui.alphaEdit.setText(QtCore.QString("%1").arg(alpha))
+
+ def freqEditText(self):
+ try:
+ freq = self.gui.freqEdit.text().toDouble()[0]
+ self.fg.set_freq(freq)
+ except RuntimeError:
+ pass
+
+ def gainEditText(self):
+ try:
+ gain = self.gui.gainEdit.text().toDouble()[0]
+ self.fg.set_gain(gain)
+ except RuntimeError:
+ pass
+
+ def decimEditText(self):
+ try:
+ decim = self.gui.decimEdit.text().toInt()[0]
+ self.fg.set_decim(decim)
+ except RuntimeError:
+ pass
+
+ def alphaEditText(self):
+ try:
+ alpha = self.gui.alphaEdit.text().toDouble()[0]
+ self.fg.set_rx_alpha(alpha)
+ except RuntimeError:
+ pass
+
+ def gainMuEditText(self):
+ try:
+ gain = self.gui.gainMuEdit.text().toDouble()[0]
+ self.fg.set_rx_gain_mu(gain)
+ except RuntimeError:
+ pass
+
+
+ # Accessor function for packet error reporting
+ def updatePacketInfo(self):
+ # Pull these globals in from the main thread
+ global n_rcvd, n_right, pktno
+
+ per = float(n_rcvd - n_right)/float(pktno)
+ self.gui.pktsRcvdEdit.setText(QtCore.QString("%1").arg(n_rcvd))
+ self.gui.pktsCorrectEdit.setText(QtCore.QString("%1").arg(n_right))
+ self.gui.perEdit.setText(QtCore.QString("%1").arg(per))
+
+
+
+# ////////////////////////////////////////////////////////////////////
+# Define the GNU Radio Top Block
+# ////////////////////////////////////////////////////////////////////
+
+
+class my_top_block(gr.top_block):
+ def __init__(self, demodulator, rx_callback, options):
+ gr.top_block.__init__(self)
+
+ self._rx_freq = options.rx_freq # receiver's center
frequency
+ self._rx_gain = options.rx_gain # receiver's gain
+ self._rx_subdev_spec = options.rx_subdev_spec # daughterboard to
use
+ self._decim = options.decim # Decimating rate
for the USRP (prelim)
+ self.gui_on = options.gui
+
+ if self._rx_freq is None:
+ sys.stderr.write("-f FREQ or --freq FREQ or --rx-freq FREQ must be
specified\n")
+ raise SystemExit
+
+ # Set up USRP source
+ self._setup_usrp_source()
+ ok = self.set_freq(self._rx_freq)
+ if not ok:
+ print "Failed to set Rx frequency to %s" %
(eng_notation.num_to_str(self._rx_freq))
+ raise ValueError, eng_notation.num_to_str(self._rx_freq)
+ g = self.subdev.gain_range()
+ if options.show_rx_gain_range:
+ print "Rx Gain Range: minimum = %g, maximum = %g, step size = %g" \
+ % (g[0], g[1], g[2])
+ self.set_gain(options.rx_gain)
+ self.set_auto_tr(True) # enable Auto Transmit/Receive
switching
+
+ # Set up receive path
+ self.rxpath = receive_path(demodulator, rx_callback, options)
+
+ # FIXME: do better exposure to lower issues for control
+ self._gain_mu = self.rxpath.packet_receiver._demodulator._mm_gain_mu
+ self._alpha = self.rxpath.packet_receiver._demodulator._costas_alpha
+
+ self.connect(self.u, self.rxpath)
+
+ if self.gui_on:
+ self.qapp = QtGui.QApplication(sys.argv)
+ fftsize = 2048
+
+ self.snk_rxin = qtgui.sink_c(fftsize,
gr.firdes.WIN_BLACKMAN_hARRIS,
+ -1/2, 1/2,
+ "Received", True, True, False, True,
True)
+ self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
+ -1/2, 1/2,
+ "Post-Synchronizer", True, True, False,
True, True)
+
+ self.snk_rxin.set_frequency_axis(-60, 20)
+ self.snk_rx.set_frequency_axis(-60, 20)
+
+ # Connect to the QT sinks
+ # FIXME: make better exposure to receiver from rxpath
+ self.receiver = self.rxpath.packet_receiver._demodulator.receiver
+ self.connect(self.u, self.snk_rxin)
+ self.connect(self.receiver, self.snk_rx)
+
+ pyRxInQt = self.snk_rxin.pyqwidget()
+ pyRxIn = sip.wrapinstance(pyRxInQt, QtGui.QWidget)
+
+ pyRxQt = self.snk_rx.pyqwidget()
+ pyRx = sip.wrapinstance(pyRxQt, QtGui.QWidget)
+
+ self.main_box = dialog_box(pyRxIn, pyRx, self)
+ self.main_box.show()
+
+ def _setup_usrp_source(self):
+ self.u = usrp.source_c ()
+ adc_rate = self.u.adc_rate()
+
+ self.u.set_decim_rate(self._decim)
+
+ # determine the daughterboard subdevice we're using
+ if self._rx_subdev_spec is None:
+ self._rx_subdev_spec = usrp.pick_rx_subdevice(self.u)
+ self.subdev = usrp.selected_subdev(self.u, self._rx_subdev_spec)
+
+ self.u.set_mux(usrp.determine_rx_mux_value(self.u,
self._rx_subdev_spec))
+
+ def set_freq(self, target_freq):
+ """
+ Set the center frequency we're interested in.
+
+ @param target_freq: frequency in Hz
+ @rypte: bool
+
+ Tuning is a two step process. First we ask the front-end to
+ tune as close to the desired frequency as it can. Then we use
+ the result of that operation and our target_frequency to
+ determine the value for the digital up converter.
+ """
+ r = self.u.tune(0, self.subdev, target_freq)
+ if r:
+ self._rx_freq = target_freq
+ return True
+
+ return False
+
+ def set_gain(self, gain):
+ """
+ Sets the analog gain in the USRP
+ """
+ if gain is None:
+ r = self.subdev.gain_range()
+ gain = (r[0] + r[1])/2 # set gain to midpoint
+ self._rx_gain = gain
+ return self.subdev.set_gain(self._rx_gain)
+
+ def set_auto_tr(self, enable):
+ return self.subdev.set_auto_tr(enable)
+
+ def set_decim(self, decim):
+ self._decim = decim
+ self.u.set_decim_rate(self._decim)
+
+ def frequency(self):
+ return self._rx_freq
+
+ def gain(self):
+ return self._rx_gain
+
+ def decim(self):
+ return self._decim
+
+ def rx_gain_mu(self):
+ return self._gain_mu
+
+ def rx_gain_omega(self):
+ return self.gain_omega
+
+ def set_rx_gain_mu(self, gain):
+ self._gain_mu = gain
+ self.gain_omega = .25 * self._gain_mu * self._gain_mu
+ self.receiver.set_gain_mu(self._gain_mu)
+ self.receiver.set_gain_omega(self.gain_omega)
+
+ def rx_alpha(self):
+ return self._alpha
+
+ def rx_beta(self):
+ return self.beta
+
+ def set_rx_alpha(self, alpha):
+ self._alpha = alpha
+ self.beta = .25 * self._alpha * self._alpha
+ self.receiver.set_alpha(self._alpha)
+ self.receiver.set_beta(self.beta)
+
+ def add_options(normal, expert):
+ """
+ Adds usrp-specific options to the Options Parser
+ """
+ add_freq_option(normal)
+ normal.add_option("-R", "--rx-subdev-spec", type="subdev",
default=None,
+ help="select USRP Rx side A or B")
+ normal.add_option("", "--rx-gain", type="eng_float", default=None,
metavar="GAIN",
+ help="set receiver gain in dB [default=midpoint].
See also --show-rx-gain-range")
+ normal.add_option("", "--show-rx-gain-range", action="store_true",
default=False,
+ help="print min and max Rx gain available on
selected daughterboard")
+ normal.add_option("-v", "--verbose", action="store_true",
default=False)
+ normal.add_option("-G", "--gui", action="store_true", default=False,
+ help="Turn on the GUI [default=%default]")
+
+ expert.add_option("", "--rx-freq", type="eng_float", default=None,
+ help="set Rx frequency to FREQ [default=%default]",
metavar="FREQ")
+ expert.add_option("-d", "--decim", type="intx", default=128,
+ help="set fpga decimation rate to DECIM
[default=%default]")
+ expert.add_option("", "--snr", type="eng_float", default=30,
+ help="set the SNR of the channel in dB
[default=%default]")
+
+
+ # Make a static method to call before instantiation
+ add_options = staticmethod(add_options)
+
+
+def add_freq_option(parser):
+ """
+ Hackery that has the -f / --freq option set both tx_freq and rx_freq
+ """
+ def freq_callback(option, opt_str, value, parser):
+ parser.values.rx_freq = value
+ parser.values.tx_freq = value
+
+ if not parser.has_option('--freq'):
+ parser.add_option('-f', '--freq', type="eng_float",
+ action="callback", callback=freq_callback,
+ help="set Tx and/or Rx frequency to FREQ
[default=%default]",
+ metavar="FREQ")
+
+
+# /////////////////////////////////////////////////////////////////////////////
+# main
+# /////////////////////////////////////////////////////////////////////////////
+
+global n_rcvd, n_right
+
+def main():
+ global n_rcvd, n_right, pktno
+
+ n_rcvd = 0
+ n_right = 0
+ pktno = 1
+
+ def rx_callback(ok, payload):
+ global n_rcvd, n_right, pktno
+ (pktno,) = struct.unpack('!H', payload[0:2])
+ n_rcvd += 1
+ if ok:
+ n_right += 1
+
+ if not options.gui:
+ print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % (
+ ok, pktno, n_rcvd, n_right)
+
+
+ demods = modulation_utils.type_1_demods()
+
+ # Create Options Parser:
+ parser = OptionParser (option_class=eng_option, conflict_handler="resolve")
+ expert_grp = parser.add_option_group("Expert")
+
+ parser.add_option("-m", "--modulation", type="choice",
choices=demods.keys(),
+ default='dbpsk',
+ help="Select modulation from: %s [default=%%default]"
+ % (', '.join(demods.keys()),))
+
+ my_top_block.add_options(parser, expert_grp)
+ receive_path.add_options(parser, expert_grp)
+
+ for mod in demods.values():
+ mod.add_options(expert_grp)
+
+ (options, args) = parser.parse_args ()
+
+ if len(args) != 0:
+ parser.print_help(sys.stderr)
+ sys.exit(1)
+
+ if options.rx_freq is None:
+ sys.stderr.write("You must specify -f FREQ or --freq FREQ\n")
+ parser.print_help(sys.stderr)
+ sys.exit(1)
+
+
+ # build the graph
+ tb = my_top_block(demods[options.modulation], rx_callback, options)
+
+ r = gr.enable_realtime_scheduling()
+ if r != gr.RT_OK:
+ print "Warning: Failed to enable realtime scheduling."
+
+ tb.start() # start flow graph
+
+ if(options.gui):
+ tb.qapp.exec_()
+ else:
+ tb.wait() # wait for it to finish
+
+if __name__ == '__main__':
+ try:
+ main()
+ except KeyboardInterrupt:
+ pass
Added:
gnuradio/branches/developers/trondeau/qtdigital/gnuradio-examples/python/digital/qt_rx_window.ui
===================================================================
---
gnuradio/branches/developers/trondeau/qtdigital/gnuradio-examples/python/digital/qt_rx_window.ui
(rev 0)
+++
gnuradio/branches/developers/trondeau/qtdigital/gnuradio-examples/python/digital/qt_rx_window.ui
2009-06-17 03:52:29 UTC (rev 11214)
@@ -0,0 +1,329 @@
+<ui version="4.0" >
+ <class>DigitalWindow</class>
+ <widget class="QMainWindow" name="DigitalWindow" >
+ <property name="geometry" >
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>1085</width>
+ <height>766</height>
+ </rect>
+ </property>
+ <property name="windowTitle" >
+ <string>MainWindow</string>
+ </property>
+ <widget class="QWidget" name="centralwidget" >
+ <widget class="QPushButton" name="closeButton" >
+ <property name="geometry" >
+ <rect>
+ <x>960</x>
+ <y>670</y>
+ <width>101</width>
+ <height>31</height>
+ </rect>
+ </property>
+ <property name="text" >
+ <string>Close</string>
+ </property>
+ </widget>
+ <widget class="QFrame" name="sinkFrame" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>10</y>
+ <width>1061</width>
+ <height>501</height>
+ </rect>
+ </property>
+ <property name="frameShape" >
+ <enum>QFrame::StyledPanel</enum>
+ </property>
+ <property name="frameShadow" >
+ <enum>QFrame::Raised</enum>
+ </property>
+ <widget class="QWidget" name="horizontalLayoutWidget" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>10</y>
+ <width>1041</width>
+ <height>481</height>
+ </rect>
+ </property>
+ <layout class="QHBoxLayout" name="sinkLayout" />
+ </widget>
+ </widget>
+ <widget class="QGroupBox" name="rxBox" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>520</y>
+ <width>251</width>
+ <height>181</height>
+ </rect>
+ </property>
+ <property name="title" >
+ <string>Receiver Parameters</string>
+ </property>
+ <widget class="QLineEdit" name="gainMuEdit" >
+ <property name="geometry" >
+ <rect>
+ <x>120</x>
+ <y>120</y>
+ <width>113</width>
+ <height>23</height>
+ </rect>
+ </property>
+ </widget>
+ <widget class="QLabel" name="gainMuLabel" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>120</y>
+ <width>111</width>
+ <height>20</height>
+ </rect>
+ </property>
+ <property name="text" >
+ <string>mu's gain</string>
+ </property>
+ </widget>
+ <widget class="QLineEdit" name="alphaEdit" >
+ <property name="geometry" >
+ <rect>
+ <x>120</x>
+ <y>150</y>
+ <width>113</width>
+ <height>23</height>
+ </rect>
+ </property>
+ </widget>
+ <widget class="QLabel" name="alphaLabel" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>150</y>
+ <width>111</width>
+ <height>20</height>
+ </rect>
+ </property>
+ <property name="text" >
+ <string>Alpha</string>
+ </property>
+ </widget>
+ <widget class="QLabel" name="gainLabel" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>60</y>
+ <width>101</width>
+ <height>17</height>
+ </rect>
+ </property>
+ <property name="text" >
+ <string>Gain (dB)</string>
+ </property>
+ </widget>
+ <widget class="QLineEdit" name="freqEdit" >
+ <property name="geometry" >
+ <rect>
+ <x>120</x>
+ <y>30</y>
+ <width>113</width>
+ <height>23</height>
+ </rect>
+ </property>
+ </widget>
+ <widget class="QLabel" name="freqLabel" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>30</y>
+ <width>141</width>
+ <height>17</height>
+ </rect>
+ </property>
+ <property name="text" >
+ <string>Frequency (Hz)</string>
+ </property>
+ </widget>
+ <widget class="QLineEdit" name="gainEdit" >
+ <property name="geometry" >
+ <rect>
+ <x>120</x>
+ <y>60</y>
+ <width>113</width>
+ <height>23</height>
+ </rect>
+ </property>
+ </widget>
+ <widget class="QLabel" name="decimLabel" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>90</y>
+ <width>101</width>
+ <height>17</height>
+ </rect>
+ </property>
+ <property name="text" >
+ <string>Decimation</string>
+ </property>
+ </widget>
+ <widget class="QLineEdit" name="decimEdit" >
+ <property name="geometry" >
+ <rect>
+ <x>120</x>
+ <y>90</y>
+ <width>113</width>
+ <height>23</height>
+ </rect>
+ </property>
+ </widget>
+ </widget>
+ <widget class="QGroupBox" name="rxBox_2" >
+ <property name="geometry" >
+ <rect>
+ <x>300</x>
+ <y>520</y>
+ <width>251</width>
+ <height>121</height>
+ </rect>
+ </property>
+ <property name="title" >
+ <string>Received Packet Info</string>
+ </property>
+ <widget class="QLineEdit" name="pktsRcvdEdit" >
+ <property name="geometry" >
+ <rect>
+ <x>120</x>
+ <y>30</y>
+ <width>113</width>
+ <height>23</height>
+ </rect>
+ </property>
+ </widget>
+ <widget class="QLabel" name="pktsRcvdLabel" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>30</y>
+ <width>111</width>
+ <height>20</height>
+ </rect>
+ </property>
+ <property name="text" >
+ <string>Packets Rcvd.</string>
+ </property>
+ </widget>
+ <widget class="QLineEdit" name="pktsCorrectEdit" >
+ <property name="geometry" >
+ <rect>
+ <x>120</x>
+ <y>60</y>
+ <width>113</width>
+ <height>23</height>
+ </rect>
+ </property>
+ </widget>
+ <widget class="QLabel" name="pktsCorrectLabel" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>60</y>
+ <width>111</width>
+ <height>20</height>
+ </rect>
+ </property>
+ <property name="text" >
+ <string>Packets Correct</string>
+ </property>
+ </widget>
+ <widget class="QLabel" name="perLabel" >
+ <property name="geometry" >
+ <rect>
+ <x>10</x>
+ <y>90</y>
+ <width>111</width>
+ <height>20</height>
+ </rect>
+ </property>
+ <property name="text" >
+ <string>PER</string>
+ </property>
+ </widget>
+ <widget class="QLineEdit" name="perEdit" >
+ <property name="geometry" >
+ <rect>
+ <x>120</x>
+ <y>90</y>
+ <width>113</width>
+ <height>23</height>
+ </rect>
+ </property>
+ </widget>
+ </widget>
+ </widget>
+ <widget class="QMenuBar" name="menubar" >
+ <property name="geometry" >
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>1085</width>
+ <height>24</height>
+ </rect>
+ </property>
+ <widget class="QMenu" name="menuFile" >
+ <property name="title" >
+ <string>&File</string>
+ </property>
+ <addaction name="actionExit" />
+ </widget>
+ <addaction name="menuFile" />
+ </widget>
+ <widget class="QStatusBar" name="statusbar" />
+ <action name="actionExit" >
+ <property name="text" >
+ <string>E&xit</string>
+ </property>
+ </action>
+ </widget>
+ <tabstops>
+ <tabstop>closeButton</tabstop>
+ </tabstops>
+ <resources/>
+ <connections>
+ <connection>
+ <sender>closeButton</sender>
+ <signal>clicked()</signal>
+ <receiver>DigitalWindow</receiver>
+ <slot>close()</slot>
+ <hints>
+ <hint type="sourcelabel" >
+ <x>322</x>
+ <y>623</y>
+ </hint>
+ <hint type="destinationlabel" >
+ <x>66</x>
+ <y>561</y>
+ </hint>
+ </hints>
+ </connection>
+ <connection>
+ <sender>actionExit</sender>
+ <signal>triggered()</signal>
+ <receiver>DigitalWindow</receiver>
+ <slot>close()</slot>
+ <hints>
+ <hint type="sourcelabel" >
+ <x>-1</x>
+ <y>-1</y>
+ </hint>
+ <hint type="destinationlabel" >
+ <x>617</x>
+ <y>327</y>
+ </hint>
+ </hints>
+ </connection>
+ </connections>
+</ui>
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