From 322e065b19c922e2a9cc1710876e32d100453181 Mon Sep 17 00:00:00 2001
From: trondeau <trondeau@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Wed, 15 Apr 2009 03:49:04 +0000
Subject: Merging qtdevel2 branch -r10565:10849. This adds a lot of fixes and
capabilities to the qtgui package. Most importantly, it allows interaction
between PyQt and the C++ Qt routines in the gnuradio library.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10850 221aa14e-8319-0410-a670-987f0aec2ac5
---
gr-qtgui/src/python/pyqt_example_f.py | 143 ++++++++++++++++++++++++++++++++++
1 file changed, 143 insertions(+)
create mode 100755 gr-qtgui/src/python/pyqt_example_f.py
(limited to 'gr-qtgui/src/python/pyqt_example_f.py')
diff --git a/gr-qtgui/src/python/pyqt_example_f.py b/gr-qtgui/src/python/pyqt_example_f.py
new file mode 100755
index 0000000000..bf10c5c0ed
--- /dev/null
+++ b/gr-qtgui/src/python/pyqt_example_f.py
@@ -0,0 +1,143 @@
+#!/usr/bin/env python
+
+from gnuradio import gr, blks2
+from gnuradio.qtgui import qtgui
+from PyQt4 import QtGui, QtCore
+import sys, sip
+
+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.layout.addRow("Signal 1 Frequency:", self.freq1Edit)
+ self.connect(self.freq1Edit, QtCore.SIGNAL("editingFinished()"),
+ self.freq1EditText)
+
+ self.amp1Edit = QtGui.QLineEdit(self)
+ 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.layout.addRow("Signal 2 Frequency:", self.freq2Edit)
+ self.connect(self.freq2Edit, QtCore.SIGNAL("editingFinished()"),
+ self.freq2EditText)
+
+
+ self.amp2Edit = QtGui.QLineEdit(self)
+ self.layout.addRow("Signal 2 Amplitude:", self.amp2Edit)
+ self.connect(self.amp2Edit, QtCore.SIGNAL("editingFinished()"),
+ self.amp2EditText)
+
+ self.quit = QtGui.QPushButton('Close', self)
+ 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)
+ self.snk1 = qtgui.sink_f(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
+ -Rs/2, Rs/2,
+ "Float Signal Example",
+ True, True, False, True, False)
+
+ self.connect(src1, (src,0))
+ self.connect(src2, (src,1))
+ self.connect(src, thr, 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_()
+
--
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