3 files changed, 25 insertions, 18 deletions
diff --git a/gr-qtgui/python/qtgui/CMakeLists.txt b/gr-qtgui/python/qtgui/CMakeLists.txt
index 1c20033db2..5df3a7d91b 100644
--- a/gr-qtgui/python/qtgui/CMakeLists.txt
+++ b/gr-qtgui/python/qtgui/CMakeLists.txt
@@ -20,12 +20,20 @@
 ########################################################################
 include(GrPython)
 
+if (DESIRED_QT_VERSION MATCHES 4)
+	set(PY_QT_IMPORT "from PyQt4 import Qt, QtCore, QtGui as QtWidgets")
+else()
+	set(PY_QT_IMPORT "from PyQt5 import Qt, QtCore, QtWidgets")
+endif()
+
+configure_file(range.py.cmakein "${CMAKE_CURRENT_BINARY_DIR}/range.py" @ONLY)
+configure_file(util.py.cmakein "${CMAKE_CURRENT_BINARY_DIR}/util.py" @ONLY)
+
 GR_PYTHON_INSTALL(
     FILES __init__.py
-          range.py
-          util.py
+          "${CMAKE_CURRENT_BINARY_DIR}/range.py"
+          "${CMAKE_CURRENT_BINARY_DIR}/util.py"
     DESTINATION ${GR_PYTHON_DIR}/gnuradio/qtgui
-    COMPONENT "qtgui_python"
 )
 
 ########################################################################
diff --git a/gr-qtgui/python/qtgui/range.py b/gr-qtgui/python/qtgui/range.py.cmakein
index ca42bf71f7..00db509762 100755
--- a/gr-qtgui/python/qtgui/range.py
+++ b/gr-qtgui/python/qtgui/range.py.cmakein
@@ -21,7 +21,7 @@
 # Boston, MA 02110-1301, USA.
 #
 
-from PyQt4 import Qt, QtCore, QtGui
+@PY_QT_IMPORT@
 import util
 
 class Range(object):
@@ -64,10 +64,10 @@ class Range(object):
         return (val*self.step+self.min)
 
 
-class RangeWidget(QtGui.QWidget):
+class RangeWidget(QtWidgets.QWidget):
     def __init__(self, ranges, slot, label, style, rangeType=float):
         """ Creates the QT Range widget """
-        QtGui.QWidget.__init__(self)
+        QtWidgets.QWidget.__init__(self)
 
         self.range = ranges
         self.style = style
@@ -98,10 +98,10 @@ class RangeWidget(QtGui.QWidget):
         layout.addWidget(self.d_widget)
         self.setLayout(layout)
 
-    class Dial(QtGui.QDial):
+    class Dial(QtWidgets.QDial):
         """ Creates the range using a dial """
         def __init__(self, parent, ranges, slot, rangeType=float):
-            QtGui.QDial.__init__(self, parent)
+            QtWidgets.QDial.__init__(self, parent)
 
             self.rangeType = rangeType
 
@@ -124,10 +124,10 @@ class RangeWidget(QtGui.QWidget):
             val = self.range.map_range(value)
             self.notifyChanged(self.rangeType(val))
 
-    class Slider(QtGui.QSlider):
+    class Slider(QtWidgets.QSlider):
         """ Creates the range using a slider """
         def __init__(self, parent, ranges, slot, rangeType=float):
-            QtGui.QSlider.__init__(self, QtCore.Qt.Horizontal, parent)
+            QtWidgets.QSlider.__init__(self, QtCore.Qt.Horizontal, parent)
 
             self.rangeType = rangeType
 
@@ -166,18 +166,18 @@ class RangeWidget(QtGui.QWidget):
                 event.accept()
             # Use repaint rather than calling the super mousePressEvent.
             # Calling super causes issue where slider jumps to wrong value.
-            QtGui.QSlider.repaint(self)
+            QtWidgets.QSlider.repaint(self)
 
         def mouseMoveEvent(self, event):
             new = self.minimum() + ((self.maximum()-self.minimum()) * event.x()) / self.width()
             self.setValue(new)
             event.accept()
-            QtGui.QSlider.repaint(self)
+            QtWidgets.QSlider.repaint(self)
 
-    class Counter(QtGui.QDoubleSpinBox):
+    class Counter(QtWidgets.QDoubleSpinBox):
         """ Creates the range using a counter """
         def __init__(self, parent, ranges, slot, rangeType=float):
-            QtGui.QDoubleSpinBox.__init__(self, parent)
+            QtWidgets.QDoubleSpinBox.__init__(self, parent)
 
             self.rangeType = rangeType
 
@@ -196,10 +196,10 @@ class RangeWidget(QtGui.QWidget):
             """ Handle the valueChanged signal by converting to the right type """
             self.notifyChanged(self.rangeType(value))
 
-    class CounterSlider(QtGui.QWidget):
+    class CounterSlider(QtWidgets.QWidget):
         """ Creates the range using a counter and slider """
         def __init__(self, parent, ranges, slot, rangeType=float):
-            QtGui.QWidget.__init__(self, parent)
+            QtWidgets.QWidget.__init__(self, parent)
 
             self.rangeType = rangeType
 
diff --git a/gr-qtgui/python/qtgui/util.py b/gr-qtgui/python/qtgui/util.py.cmakein
index d2e9495ac6..ca2b3b37c5 100644
--- a/gr-qtgui/python/qtgui/util.py
+++ b/gr-qtgui/python/qtgui/util.py.cmakein
@@ -21,7 +21,7 @@
 # Boston, MA 02110-1301, USA.
 #
 
-from PyQt4 import Qt, QtCore, QtGui
+@PY_QT_IMPORT@
 from gnuradio import gr
 
 def check_set_qss():
@@ -32,4 +32,3 @@ def check_set_qss():
             app.setStyleSheet(open(qssfile).read())
         except:
             print "WARNING: bad QSS file, %s"%(qssfile)
-