From f11a20190f36d3f7864f932118d157425e988d0a Mon Sep 17 00:00:00 2001
From: Tom Rondeau
Date: Sun, 24 Apr 2011 02:45:38 -0400
Subject: gr-qtgui: Adding float interface to qtgui_time_sink and example
program.
---
gr-qtgui/apps/pyqt_time_f.py | 163 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 163 insertions(+)
create mode 100755 gr-qtgui/apps/pyqt_time_f.py
(limited to 'gr-qtgui/apps/pyqt_time_f.py')
diff --git a/gr-qtgui/apps/pyqt_time_f.py b/gr-qtgui/apps/pyqt_time_f.py
new file mode 100755
index 000000000..1b9efa10d
--- /dev/null
+++ b/gr-qtgui/apps/pyqt_time_f.py
@@ -0,0 +1,163 @@
+#!/usr/bin/env python
+
+from gnuradio import gr
+from gnuradio 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.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_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*npts)
+ noise = gr.noise_source_f(gr.GR_GAUSSIAN, 0.001)
+ add = gr.add_ff()
+ self.snk1 = qtgui.time_sink_f(npts, Rs,
+ "Complex Time Example", 3)
+
+ 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.connect(src1, (self.snk1, 1))
+ self.connect(src2, (self.snk1, 2))
+
+ 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)
+
+ # Example of using signal/slot to set the title of a curve
+ pyWin.connect(pyWin, QtCore.SIGNAL("setTitle(int, QString)"),
+ pyWin, QtCore.SLOT("setTitle(int, QString)"))
+ pyWin.emit(QtCore.SIGNAL("setTitle(int, QString)"), 0, "sum")
+ self.snk1.set_title(1, "src1")
+ self.snk1.set_title(2, "src2")
+
+ # Can also set the color of a curve
+ #self.snk1.set_color(5, "blue")
+
+ #pyWin.show()
+ 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()
+
--
cgit