gr-qtgui: adding example for using the new qt_time_sink_c interface.

2 files changed, 164 insertions, 0 deletions

diff --git a/gr-qtgui/apps/Makefile.am b/gr-qtgui/apps/Makefile.am
index c8d967334..7b35d949e 100644
--- a/gr-qtgui/apps/Makefile.am
+++ b/gr-qtgui/apps/Makefile.am
@@ -30,6 +30,7 @@ nodist_bin_SCRIPTS =		\
 noinst_PYTHON = 		\
 	pyqt_example_f.py 	\
 	pyqt_example_c.py	\
+	pyqt_time_c.py		\
 	qt_digital.py		\
 	qt_digital_window.py    \
 	usrp2_display.py	\
diff --git a/gr-qtgui/apps/pyqt_time_c.py b/gr-qtgui/apps/pyqt_time_c.py
new file mode 100755
index 000000000..fa7d60e81
--- /dev/null
+++ b/gr-qtgui/apps/pyqt_time_c.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_c(Rs, gr.GR_SIN_WAVE, f1, 0.1, 0)
+        src2 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f2, 0.1, 0)
+        src  = gr.add_cc()
+        channel = gr.channel_model(0.01)
+        thr = gr.throttle(gr.sizeof_gr_complex, 100*npts)
+        self.snk1 = qtgui.time_sink_c(npts, Rs,
+                                      "Complex Time Example", 3)
+
+        self.connect(src1, (src,0))
+        self.connect(src2, (src,1))
+        self.connect(src,  channel, thr, (self.snk1, 0))
+        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, "Re{sum}")
+        self.snk1.set_title(1, "Im{Sum}")
+        self.snk1.set_title(2, "Re{src1}")
+        self.snk1.set_title(3, "Im{src1}")
+        self.snk1.set_title(4, "Re{src2}")
+        self.snk1.set_title(5, "Im{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()
+