From 47b99fb2bcce8531726fdce637c69367f6b7468c Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Tue, 17 Jul 2012 22:28:09 -0400
Subject: qtgui: wip: moving qtgui over to new pimpl style.
Everything but full sink has been converted.
---
gr-qtgui/examples/pyqt_const_c.py | 172 ++++++++++++++++++++++++++++++++++++++
1 file changed, 172 insertions(+)
create mode 100755 gr-qtgui/examples/pyqt_const_c.py
(limited to 'gr-qtgui/examples/pyqt_const_c.py')
diff --git a/gr-qtgui/examples/pyqt_const_c.py b/gr-qtgui/examples/pyqt_const_c.py
new file mode 100755
index 0000000000..e3cc3e527e
--- /dev/null
+++ b/gr-qtgui/examples/pyqt_const_c.py
@@ -0,0 +1,172 @@
+#!/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 = 100
+ f2 = 200
+
+ npts = 2048
+
+ self.qapp = QtGui.QApplication(sys.argv)
+
+ src1 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f1, 0.5, 0)
+ src2 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f2, 0.5, 0)
+ src = gr.add_cc()
+ channel = gr.channel_model(0.001)
+ thr = gr.throttle(gr.sizeof_gr_complex, 100*npts)
+ self.snk1 = qtgui.const_sink_c(npts, "Constellation Example", 1)
+
+ self.connect(src1, (src,0))
+ self.connect(src2, (src,1))
+ self.connect(src, channel, thr, (self.snk1, 0))
+
+ 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()
+
--
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