Partially fix framer

2 files changed, 76 insertions, 305 deletions

diff --git a/tests/fadingui/QAM/qam_nogui.grc b/tests/fadingui/QAM/qam_nogui.grc
index be412f0..681ec7f 100644
--- a/tests/fadingui/QAM/qam_nogui.grc
+++ b/tests/fadingui/QAM/qam_nogui.grc
@@ -8,7 +8,7 @@ options:
     description: ''
     gen_cmake: 'On'
     gen_linking: dynamic
-    generate_options: qt_gui
+    generate_options: no_gui
     hier_block_src_path: '.:'
     id: qam_nogui
     max_nouts: '0'
@@ -41,7 +41,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [880, 256.0]
+    coordinate: [920, 252.0]
     rotation: 0
     state: true
 - name: const
@@ -59,28 +59,19 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [464, 608.0]
+    coordinate: [440, 604.0]
     rotation: 0
     state: true
 - name: eq_gain
-  id: variable_qtgui_range
+  id: variable
   parameters:
     comment: ''
-    gui_hint: 'params@1: 0,0,1,1'
-    label: Equalizer Rate
-    min_len: '200'
-    orient: Qt.Horizontal
-    rangeType: float
-    start: '0'
-    step: '.001'
-    stop: '.1'
-    value: '.01'
-    widget: counter_slider
+    value: 10e-3
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1584, 460.0]
+    coordinate: [1504, 452.0]
     rotation: 0
     state: true
 - name: eq_mod
@@ -92,7 +83,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1584, 392.0]
+    coordinate: [1504, 388.0]
     rotation: 0
     state: true
 - name: eq_ntaps
@@ -104,7 +95,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1664, 392.0]
+    coordinate: [1584, 388.0]
     rotation: 0
     state: true
 - name: excess_bw
@@ -116,28 +107,19 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [560, 272.0]
+    coordinate: [536, 268.0]
     rotation: 0
     state: true
 - name: freq_offset
-  id: variable_qtgui_range
+  id: variable
   parameters:
     comment: ''
-    gui_hint: 'params@0: 1,0,1,1'
-    label: Frequency Offset
-    min_len: '200'
-    orient: Qt.Horizontal
-    rangeType: float
-    start: -100e-3
-    step: 1e-3
-    stop: 100e-3
     value: '0'
-    widget: counter_slider
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [880, 460.0]
+    coordinate: [1008, 252.0]
     rotation: 0
     state: true
 - name: nfilts
@@ -149,49 +131,31 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1248, 480.0]
+    coordinate: [1184, 476.0]
     rotation: 0
     state: true
 - name: noise_volt
-  id: variable_qtgui_range
+  id: variable
   parameters:
     comment: ''
-    gui_hint: 'params@0: 0,0,1,1'
-    label: Noise Voltage
-    min_len: '200'
-    orient: Qt.Horizontal
-    rangeType: float
-    start: '0'
-    step: '0.01'
-    stop: '1'
-    value: '0.0001'
-    widget: counter_slider
+    value: 100e-6
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [752, 460.0]
+    coordinate: [920, 188.0]
     rotation: 0
     state: true
 - name: phase_bw
-  id: variable_qtgui_range
+  id: variable
   parameters:
     comment: ''
-    gui_hint: 'params@1: 1,0,1,1'
-    label: Phase Bandwidth
-    min_len: '200'
-    orient: Qt.Horizontal
-    rangeType: float
-    start: '0'
-    step: '.01'
-    stop: '1'
     value: 2 * 3.141592653589793 / 100
-    widget: counter_slider
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1888, 428.0]
+    coordinate: [1792, 428.0]
     rotation: 0
     state: true
 - name: qam_const
@@ -212,7 +176,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [464, 444.0]
+    coordinate: [440, 444.0]
     rotation: 0
     state: true
 - name: rrc_taps
@@ -224,7 +188,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1328, 480.0]
+    coordinate: [1264, 476.0]
     rotation: 0
     state: true
 - name: samp_rate
@@ -248,49 +212,43 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [464, 272.0]
+    coordinate: [440, 268.0]
     rotation: 0
     state: true
 - name: time_offset
-  id: variable_qtgui_range
+  id: variable
   parameters:
     comment: ''
-    gui_hint: 'params@0: 0,1,1,1'
-    label: Timing Offset
-    min_len: '200'
-    orient: Qt.Horizontal
-    rangeType: float
-    start: '0.999'
-    step: '0.0001'
-    stop: '1.001'
-    value: '1.0'
-    widget: counter_slider
+    value: '1'
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [752, 604.0]
+    coordinate: [1008, 188.0]
     rotation: 0
     state: true
 - name: timing_loop_bw
-  id: variable_qtgui_range
+  id: variable
   parameters:
     comment: ''
-    gui_hint: 'params@0: 1,1,1,1'
-    label: Time Bandwidth
-    min_len: '200'
-    orient: Qt.Horizontal
-    rangeType: float
-    start: '0'
-    step: 10e-3
-    stop: 200e-3
     value: 2 * 3.141592653589793 / 100
-    widget: counter_slider
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1248, 556.0]
+    coordinate: [1184, 556.0]
+    rotation: 0
+    state: true
+- name: variable_4
+  id: variable
+  parameters:
+    comment: ''
+    value: '0'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1312, 556.0]
     rotation: 0
     state: true
 - name: blocks_null_sink_0
@@ -307,7 +265,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [2424, 416.0]
+    coordinate: [2336, 424.0]
     rotation: 0
     state: true
 - name: blocks_throttle_0
@@ -326,7 +284,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [704, 360.0]
+    coordinate: [688, 356.0]
     rotation: 0
     state: enabled
 - name: blocks_vector_to_stream_0
@@ -337,14 +295,14 @@ blocks:
     comment: ''
     maxoutbuf: '0'
     minoutbuf: '0'
-    num_items: '512'
+    num_items: '2048'
     type: byte
     vlen: '1'
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [240, 360.0]
+    coordinate: [248, 360.0]
     rotation: 0
     state: true
 - name: channels_channel_model_0
@@ -365,7 +323,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [880, 316.0]
+    coordinate: [920, 316.0]
     rotation: 0
     state: enabled
 - name: digital_cma_equalizer_cc_0
@@ -384,7 +342,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1584, 288.0]
+    coordinate: [1504, 284.0]
     rotation: 0
     state: true
 - name: digital_constellation_decoder_cb_0
@@ -400,7 +358,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [2224, 280.0]
+    coordinate: [2152, 276.0]
     rotation: 0
     state: true
 - name: digital_constellation_modulator_0
@@ -421,7 +379,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [464, 336.0]
+    coordinate: [440, 332.0]
     rotation: 0
     state: enabled
 - name: digital_costas_loop_cc_0
@@ -439,7 +397,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1888, 288.0]
+    coordinate: [1792, 280.0]
     rotation: 0
     state: true
 - name: digital_diff_decoder_bb_0
@@ -455,7 +413,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [2224, 352.0]
+    coordinate: [2152, 340.0]
     rotation: 180
     state: true
 - name: digital_map_bb_0
@@ -471,7 +429,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [2224, 424.0]
+    coordinate: [2152, 420.0]
     rotation: 0
     state: true
 - name: digital_pfb_clock_sync_xxx_0
@@ -494,7 +452,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1248, 308.0]
+    coordinate: [1184, 308.0]
     rotation: 0
     state: true
 - name: fadingui_datasource_0
@@ -504,83 +462,16 @@ blocks:
     alias: ''
     comment: ''
     file_list: '["./lena512color.tiff"]'
+    header_len: '11'
     maxoutbuf: '0'
     minoutbuf: '0'
     sock_addr: udp://
-    vec_len: '512'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [40, 276.0]
-    rotation: 0
-    state: true
-- name: params
-  id: qtgui_tab_widget
-  parameters:
-    alias: ''
-    comment: ''
-    gui_hint: ''
-    label0: Channel
-    label1: Receiver
-    label10: Tab 10
-    label11: Tab 11
-    label12: Tab 12
-    label13: Tab 13
-    label14: Tab 14
-    label15: Tab 15
-    label16: Tab 16
-    label17: Tab 17
-    label18: Tab 18
-    label19: Tab 19
-    label2: Tab 2
-    label3: Tab 3
-    label4: Tab 4
-    label5: Tab 5
-    label6: Tab 6
-    label7: Tab 7
-    label8: Tab 8
-    label9: Tab 9
-    num_tabs: '2'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [296, 12.0]
-    rotation: 0
-    state: true
-- name: plots
-  id: qtgui_tab_widget
-  parameters:
-    alias: ''
-    comment: ''
-    gui_hint: ''
-    label0: Constellations
-    label1: Frequency
-    label10: Tab 10
-    label11: Tab 11
-    label12: Tab 12
-    label13: Tab 13
-    label14: Tab 14
-    label15: Tab 15
-    label16: Tab 16
-    label17: Tab 17
-    label18: Tab 18
-    label19: Tab 19
-    label2: Time
-    label3: Tab 3
-    label4: Tab 4
-    label5: Tab 5
-    label6: Tab 6
-    label7: Tab 7
-    label8: Tab 8
-    label9: Tab 9
-    num_tabs: '3'
+    vec_len: '2037'
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [448, 12.0]
+    coordinate: [64, 252.0]
     rotation: 0
     state: true
 
diff --git a/tests/fadingui/QAM/qam_nogui.py b/tests/fadingui/QAM/qam_nogui.py
index a75ed18..0a3fe02 100755
--- a/tests/fadingui/QAM/qam_nogui.py
+++ b/tests/fadingui/QAM/qam_nogui.py
@@ -9,19 +9,6 @@
 # Author: Pross Naoki, Halter Sara Cinzia
 # GNU Radio version: 3.8.2.0
 
-from distutils.version import StrictVersion
-
-if __name__ == '__main__':
-    import ctypes
-    import sys
-    if sys.platform.startswith('linux'):
-        try:
-            x11 = ctypes.cdll.LoadLibrary('libX11.so')
-            x11.XInitThreads()
-        except:
-            print("Warning: failed to XInitThreads()")
-
-from PyQt5 import Qt
 from gnuradio import blocks
 from gnuradio import channels
 from gnuradio.filter import firdes
@@ -32,43 +19,13 @@ import signal
 from argparse import ArgumentParser
 from gnuradio.eng_arg import eng_float, intx
 from gnuradio import eng_notation
-from gnuradio.qtgui import Range, RangeWidget
 import fadingui
 
-from gnuradio import qtgui
 
-class qam_nogui(gr.top_block, Qt.QWidget):
+class qam_nogui(gr.top_block):
 
     def __init__(self):
         gr.top_block.__init__(self, "QAM")
-        Qt.QWidget.__init__(self)
-        self.setWindowTitle("QAM")
-        qtgui.util.check_set_qss()
-        try:
-            self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
-        except:
-            pass
-        self.top_scroll_layout = Qt.QVBoxLayout()
-        self.setLayout(self.top_scroll_layout)
-        self.top_scroll = Qt.QScrollArea()
-        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
-        self.top_scroll_layout.addWidget(self.top_scroll)
-        self.top_scroll.setWidgetResizable(True)
-        self.top_widget = Qt.QWidget()
-        self.top_scroll.setWidget(self.top_widget)
-        self.top_layout = Qt.QVBoxLayout(self.top_widget)
-        self.top_grid_layout = Qt.QGridLayout()
-        self.top_layout.addLayout(self.top_grid_layout)
-
-        self.settings = Qt.QSettings("GNU Radio", "qam_nogui")
-
-        try:
-            if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
-                self.restoreGeometry(self.settings.value("geometry").toByteArray())
-            else:
-                self.restoreGeometry(self.settings.value("geometry"))
-        except:
-            pass
 
         ##################################################
         # Variables
@@ -76,96 +33,26 @@ class qam_nogui(gr.top_block, Qt.QWidget):
         self.sps = sps = 4
         self.nfilts = nfilts = 32
         self.excess_bw = excess_bw = 350e-3
+        self.variable_4 = variable_4 = 0
         self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100
-        self.time_offset = time_offset = 1.0
+        self.time_offset = time_offset = 1
         self.samp_rate = samp_rate = 32000
         self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts)
         self.qam_const = qam_const = digital.constellation_rect([(-3-3j), (-1-3j), (1-3j), (3-3j), (-3-1j), (-1-1j), (1-1j), (3-1j), (-3+1j), (-1+1j), (1+1j), (3+1j), (-3+3j), (-1+3j), (1+3j), (3+3j)], [0, 4, 12, 8, 1, 5, 13, 9, 3, 7, 15, 11, 2, 6, 14, 10],
         4, 1, 1, 1, 1).base()
         self.phase_bw = phase_bw = 2 * 3.141592653589793 / 100
-        self.noise_volt = noise_volt = 0.0001
+        self.noise_volt = noise_volt = 100e-6
         self.freq_offset = freq_offset = 0
         self.eq_ntaps = eq_ntaps = 15
         self.eq_mod = eq_mod = 1
-        self.eq_gain = eq_gain = .01
+        self.eq_gain = eq_gain = 10e-3
         self.const = const = digital.constellation_16qam().base()
         self.chn_taps = chn_taps = [1.0 + 0.0j, ]
 
         ##################################################
         # Blocks
         ##################################################
-        self.params = Qt.QTabWidget()
-        self.params_widget_0 = Qt.QWidget()
-        self.params_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_0)
-        self.params_grid_layout_0 = Qt.QGridLayout()
-        self.params_layout_0.addLayout(self.params_grid_layout_0)
-        self.params.addTab(self.params_widget_0, 'Channel')
-        self.params_widget_1 = Qt.QWidget()
-        self.params_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_1)
-        self.params_grid_layout_1 = Qt.QGridLayout()
-        self.params_layout_1.addLayout(self.params_grid_layout_1)
-        self.params.addTab(self.params_widget_1, 'Receiver')
-        self.top_grid_layout.addWidget(self.params)
-        self._timing_loop_bw_range = Range(0, 200e-3, 10e-3, 2 * 3.141592653589793 / 100, 200)
-        self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time Bandwidth', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._timing_loop_bw_win, 1, 1, 1, 1)
-        for r in range(1, 2):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.0, 200)
-        self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Timing Offset', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._time_offset_win, 0, 1, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._phase_bw_range = Range(0, 1, .01, 2 * 3.141592653589793 / 100, 200)
-        self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase Bandwidth', "counter_slider", float)
-        self.params_grid_layout_1.addWidget(self._phase_bw_win, 1, 0, 1, 1)
-        for r in range(1, 2):
-            self.params_grid_layout_1.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_1.setColumnStretch(c, 1)
-        self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200)
-        self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, 'Noise Voltage', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._freq_offset_range = Range(-100e-3, 100e-3, 1e-3, 0, 200)
-        self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Frequency Offset', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._freq_offset_win, 1, 0, 1, 1)
-        for r in range(1, 2):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._eq_gain_range = Range(0, .1, .001, .01, 200)
-        self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer Rate', "counter_slider", float)
-        self.params_grid_layout_1.addWidget(self._eq_gain_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_1.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_1.setColumnStretch(c, 1)
-        self.plots = Qt.QTabWidget()
-        self.plots_widget_0 = Qt.QWidget()
-        self.plots_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_0)
-        self.plots_grid_layout_0 = Qt.QGridLayout()
-        self.plots_layout_0.addLayout(self.plots_grid_layout_0)
-        self.plots.addTab(self.plots_widget_0, 'Constellations')
-        self.plots_widget_1 = Qt.QWidget()
-        self.plots_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_1)
-        self.plots_grid_layout_1 = Qt.QGridLayout()
-        self.plots_layout_1.addLayout(self.plots_grid_layout_1)
-        self.plots.addTab(self.plots_widget_1, 'Frequency')
-        self.plots_widget_2 = Qt.QWidget()
-        self.plots_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_2)
-        self.plots_grid_layout_2 = Qt.QGridLayout()
-        self.plots_layout_2.addLayout(self.plots_grid_layout_2)
-        self.plots.addTab(self.plots_widget_2, 'Time')
-        self.top_grid_layout.addWidget(self.plots)
-        self.fadingui_datasource_0 = fadingui.datasource(vec_len=512, sock_addr='udp://', file_list=["./lena512color.tiff"])
+        self.fadingui_datasource_0 = fadingui.datasource(vec_len=2037, header_len=11, sock_addr='udp://', file_list=["./lena512color.tiff"])
         self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps * 1.001, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, sps)
         self.digital_map_bb_0 = digital.map_bb([0, 1, 3, 2])
         self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
@@ -187,7 +74,7 @@ class qam_nogui(gr.top_block, Qt.QWidget):
             taps=chn_taps,
             noise_seed=0,
             block_tags=False)
-        self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_char*1, 512)
+        self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_char*1, 2048)
         self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
         self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char*1)
 
@@ -209,11 +96,6 @@ class qam_nogui(gr.top_block, Qt.QWidget):
         self.connect((self.fadingui_datasource_0, 0), (self.blocks_vector_to_stream_0, 0))
 
 
-    def closeEvent(self, event):
-        self.settings = Qt.QSettings("GNU Radio", "qam_nogui")
-        self.settings.setValue("geometry", self.saveGeometry())
-        event.accept()
-
     def get_sps(self):
         return self.sps
 
@@ -235,6 +117,12 @@ class qam_nogui(gr.top_block, Qt.QWidget):
         self.excess_bw = excess_bw
         self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts))
 
+    def get_variable_4(self):
+        return self.variable_4
+
+    def set_variable_4(self, variable_4):
+        self.variable_4 = variable_4
+
     def get_timing_loop_bw(self):
         return self.timing_loop_bw
 
@@ -330,34 +218,26 @@ class qam_nogui(gr.top_block, Qt.QWidget):
 def main(top_block_cls=qam_nogui, options=None):
     if gr.enable_realtime_scheduling() != gr.RT_OK:
         print("Error: failed to enable real-time scheduling.")
-
-    if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
-        style = gr.prefs().get_string('qtgui', 'style', 'raster')
-        Qt.QApplication.setGraphicsSystem(style)
-    qapp = Qt.QApplication(sys.argv)
-
     tb = top_block_cls()
 
-    tb.start()
-
-    tb.show()
-
     def sig_handler(sig=None, frame=None):
-        Qt.QApplication.quit()
+        tb.stop()
+        tb.wait()
+
+        sys.exit(0)
 
     signal.signal(signal.SIGINT, sig_handler)
     signal.signal(signal.SIGTERM, sig_handler)
 
-    timer = Qt.QTimer()
-    timer.start(500)
-    timer.timeout.connect(lambda: None)
+    tb.start()
 
-    def quitting():
-        tb.stop()
-        tb.wait()
+    try:
+        input('Press Enter to quit: ')
+    except EOFError:
+        pass
+    tb.stop()
+    tb.wait()
 
-    qapp.aboutToQuit.connect(quitting)
-    qapp.exec_()
 
 if __name__ == '__main__':
     main()