diff options
Diffstat (limited to 'gr-qtgui/examples/pyqt_example_f.py')
| -rwxr-xr-x | gr-qtgui/examples/pyqt_example_f.py | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/gr-qtgui/examples/pyqt_example_f.py b/gr-qtgui/examples/pyqt_example_f.py new file mode 100755 index 000000000..5e432fe78 --- /dev/null +++ b/gr-qtgui/examples/pyqt_example_f.py @@ -0,0 +1,178 @@ +#!/usr/bin/env python +# +# Copyright 2011 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 +import sys + +try: + from gnuradio import qtgui + from PyQt4 import QtGui, QtCore + import sip +except ImportError: + print "Error: Program requires PyQt4 and gr-qtgui." + sys.exit(1) + +class dialog_box(QtGui.QWidget): + def __init__(self, display, control): + QtGui.QWidget.__init__(self, None) + self.setWindowTitle('PyQt Test GUI') + + self.boxlayout = QtGui.QBoxLayout(QtGui.QBoxLayout.LeftToRight, self) + self.boxlayout.addWidget(display, 1) + self.boxlayout.addWidget(control) + + self.resize(800, 500) + +class control_box(QtGui.QWidget): + def __init__(self, parent=None): + QtGui.QWidget.__init__(self, parent) + self.setWindowTitle('Control Panel') + + self.setToolTip('Control the signals') + QtGui.QToolTip.setFont(QtGui.QFont('OldEnglish', 10)) + + self.layout = QtGui.QFormLayout(self) + + # Control the first signal + self.freq1Edit = QtGui.QLineEdit(self) + self.freq1Edit.setMinimumWidth(100) + self.layout.addRow("Signal 1 Frequency:", self.freq1Edit) + self.connect(self.freq1Edit, QtCore.SIGNAL("editingFinished()"), + self.freq1EditText) + + self.amp1Edit = QtGui.QLineEdit(self) + self.amp1Edit.setMinimumWidth(100) + self.layout.addRow("Signal 1 Amplitude:", self.amp1Edit) + self.connect(self.amp1Edit, QtCore.SIGNAL("editingFinished()"), + self.amp1EditText) + + + # Control the second signal + self.freq2Edit = QtGui.QLineEdit(self) + self.freq2Edit.setMinimumWidth(100) + self.layout.addRow("Signal 2 Frequency:", self.freq2Edit) + self.connect(self.freq2Edit, QtCore.SIGNAL("editingFinished()"), + self.freq2EditText) + + + self.amp2Edit = QtGui.QLineEdit(self) + self.amp2Edit.setMinimumWidth(100) + self.layout.addRow("Signal 2 Amplitude:", self.amp2Edit) + self.connect(self.amp2Edit, QtCore.SIGNAL("editingFinished()"), + self.amp2EditText) + + self.quit = QtGui.QPushButton('Close', self) + self.quit.setMinimumWidth(100) + self.layout.addWidget(self.quit) + + self.connect(self.quit, QtCore.SIGNAL('clicked()'), + QtGui.qApp, QtCore.SLOT('quit()')) + + def attach_signal1(self, signal): + self.signal1 = signal + self.freq1Edit.setText(QtCore.QString("%1").arg(self.signal1.frequency())) + self.amp1Edit.setText(QtCore.QString("%1").arg(self.signal1.amplitude())) + + def attach_signal2(self, signal): + self.signal2 = signal + self.freq2Edit.setText(QtCore.QString("%1").arg(self.signal2.frequency())) + self.amp2Edit.setText(QtCore.QString("%1").arg(self.signal2.amplitude())) + + def freq1EditText(self): + try: + newfreq = float(self.freq1Edit.text()) + self.signal1.set_frequency(newfreq) + except ValueError: + print "Bad frequency value entered" + + def amp1EditText(self): + try: + newamp = float(self.amp1Edit.text()) + self.signal1.set_amplitude(newamp) + except ValueError: + print "Bad amplitude value entered" + + + def freq2EditText(self): + try: + newfreq = float(self.freq2Edit.text()) + self.signal2.set_frequency(newfreq) + except ValueError: + print "Bad frequency value entered" + + def amp2EditText(self): + try: + newamp = float(self.amp2Edit.text()) + self.signal2.set_amplitude(newamp) + except ValueError: + print "Bad amplitude value entered" + + +class my_top_block(gr.top_block): + def __init__(self): + gr.top_block.__init__(self) + + Rs = 8000 + f1 = 1000 + f2 = 2000 + + fftsize = 2048 + + self.qapp = QtGui.QApplication(sys.argv) + + src1 = gr.sig_source_f(Rs, gr.GR_SIN_WAVE, f1, 0.1, 0) + src2 = gr.sig_source_f(Rs, gr.GR_SIN_WAVE, f2, 0.1, 0) + src = gr.add_ff() + thr = gr.throttle(gr.sizeof_float, 100*fftsize) + noise = gr.noise_source_f(gr.GR_GAUSSIAN, 0.001) + add = gr.add_ff() + self.snk1 = qtgui.sink_f(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS, + 0, Rs, + "Float Signal Example", + True, True, True, False) + + self.connect(src1, (src,0)) + self.connect(src2, (src,1)) + self.connect(src, thr, (add,0)) + self.connect(noise, (add,1)) + self.connect(add, self.snk1) + + self.ctrl_win = control_box() + self.ctrl_win.attach_signal1(src1) + self.ctrl_win.attach_signal2(src2) + + # Get the reference pointer to the SpectrumDisplayForm QWidget + pyQt = self.snk1.pyqwidget() + + # Wrap the pointer as a PyQt SIP object + # This can now be manipulated as a PyQt4.QtGui.QWidget + pyWin = sip.wrapinstance(pyQt, QtGui.QWidget) + + self.main_box = dialog_box(pyWin, self.ctrl_win) + + self.main_box.show() + +if __name__ == "__main__": + tb = my_top_block(); + tb.start() + tb.qapp.exec_() + tb.stop() |