add default value to read settings for backward compatibility

src/urh/controller/SignalTabController.py

@@ -104,11 +104,11 @@ class SignalTabController(QWidget):
 
     @pyqtSlot(bool)
     def set_shift_statuslabel(self, shift_pressed):
-        if shift_pressed and constants.SETTINGS.value('hold_shift_to_drag', type=bool):
+        if shift_pressed and constants.SETTINGS.value('hold_shift_to_drag', False, type=bool):
             self.ui.lShiftStatus.setText("[SHIFT] Use Mouse to scroll signal.")
             self.ui.lCtrlStatus.clear()
 
-        elif shift_pressed and not constants.SETTINGS.value('hold_shift_to_drag', type=bool):
+        elif shift_pressed and not constants.SETTINGS.value('hold_shift_to_drag', False, type=bool):
             self.ui.lShiftStatus.setText("[SHIFT] Use mouse to create a selection.")
             self.ui.lCtrlStatus.clear()
         else:
@@ -135,7 +135,7 @@ class SignalTabController(QWidget):
             # Neues Signal aus "Create Signal from Selection"
             sig_frame.ui.btnSaveSignal.show()
 
-        sig_frame.hold_shift = constants.SETTINGS.value('hold_shift_to_drag', type=bool)
+        sig_frame.hold_shift = constants.SETTINGS.value('hold_shift_to_drag', False, type=bool)
         sig_frame.closed.connect(self.close_frame)
         sig_frame.signal_created.connect(self.signal_created.emit)
         sig_frame.drag_started.connect(self.frame_dragged)
@@ -182,7 +182,7 @@ class SignalTabController(QWidget):
         sig_frame.files_dropped.connect(self.handle_files_dropped)
         sig_frame.setMinimumHeight(sig_frame.height())
         sig_frame.closed.connect(self.close_frame)
-        sig_frame.hold_shift = constants.SETTINGS.value('hold_shift_to_drag', type=bool)
+        sig_frame.hold_shift = constants.SETTINGS.value('hold_shift_to_drag', False, type=bool)
         sig_frame.set_empty_frame_visibilities()
 
 
@@ -282,4 +282,4 @@ class SignalTabController(QWidget):
 
     def refresh_participant_information(self):
         for sframe in self.signal_frames:
-            sframe.on_participant_changed()
+            sframe.on_participant_changed()

src/urh/signalprocessing/Message.py

@@ -320,7 +320,7 @@ class Message(object):
 
     @property
     def decoded_bits_buffer(self) -> bytes:
-        bits = [b if isinstance(b, bool) else True if b.pulsetype == 1 else False for b in self.decoded_bits]
+        bits = [int(b) if isinstance(b, bool) else 1 if b.pulsetype == 1 else 0 for b in self.decoded_bits]
         return np.packbits(bits).tobytes()
 
     @property
@@ -328,7 +328,6 @@ class Message(object):
         padded_bitchains = self.split(decode=False)
         return self.__bitchains_to_hex(padded_bitchains)
 
-
     @property
     def plain_ascii_str(self) -> str:
         padded_bitchains = self.split(decode=False)
@@ -578,4 +577,4 @@ class Message(object):
     def get_label_range(self, lbl: ProtocolLabel, view: int, decode: bool):
         start = self.convert_index(index=lbl.start, from_view=0, to_view=view, decoded=decode)[0]
         end = self.convert_index(index=lbl.end, from_view=0, to_view=view, decoded=decode)[1]
-        return int(start), int(end)
+        return int(start), int(end)

src/urh/ui/views/SelectableGraphicView.py

@@ -49,7 +49,7 @@ class SelectableGraphicView(QGraphicsView):
 
     @property
     def hold_shift_to_drag(self) -> bool:
-        return constants.SETTINGS.value('hold_shift_to_drag', type=bool)
+        return constants.SETTINGS.value('hold_shift_to_drag', False, type=bool)
 
     def is_pos_in_separea(self, pos: QPoint):
         """
@@ -253,4 +253,4 @@ class SelectableGraphicView(QGraphicsView):
         """
         topLeft = self.mapToScene(0, 0)
         bottomRight = self.mapToScene(self.viewport().width() - 1, self.viewport().height() - 1 )
-        return QRectF(topLeft, bottomRight)
+        return QRectF(topLeft, bottomRight)