diff --git a/frappy/gui/connection.py b/frappy/gui/connection.py
index 35cfa3c..4741234 100644
--- a/frappy/gui/connection.py
+++ b/frappy/gui/connection.py
@@ -72,9 +72,7 @@ class QSECNode(QObject):
         return self.modules[module]['parameters'][parameter]
 
     def setParameter(self, module, parameter, value):
-        # TODO: change the widgets for complex types to no longer use strings
-        datatype = self.conn.modules[module]['parameters'][parameter]['datatype']
-        self.conn.setParameter(module, parameter, datatype.from_string(value))
+        self.conn.setParameter(module, parameter, value)
 
     def getParameter(self, module, parameter):
         return self.conn.getParameter(module, parameter, True)
diff --git a/frappy/gui/inputwidgets.py b/frappy/gui/inputwidgets.py
new file mode 100644
index 0000000..ae9eaf5
--- /dev/null
+++ b/frappy/gui/inputwidgets.py
@@ -0,0 +1,62 @@
+from frappy.gui.qt import QCheckBox, QComboBox, QLineEdit, pyqtSignal
+
+from frappy.datatypes import BoolType, EnumType
+
+# ArrayOf, BLOBType, FloatRange, IntRange, StringType, StructOf, TextType, TupleOf
+
+
+def get_input_widget(datatype, parent=None):
+    return {
+        EnumType: EnumInput,
+        BoolType: BoolInput,
+    }.get(datatype.__class__, GenericInput)(datatype, parent)
+
+
+class GenericInput(QLineEdit):
+    submitted = pyqtSignal()
+    def __init__(self, datatype, parent=None):
+        super().__init__(parent)
+        self.datatype = datatype
+        self.setPlaceholderText('new value')
+        self.returnPressed.connect(self.submit)
+
+    def get_input(self):
+        return self.datatype.from_string(self.text())
+
+    def submit(self):
+        self.submitted.emit()
+
+
+class EnumInput(QComboBox):
+    submitted = pyqtSignal()
+    def __init__(self, datatype, parent=None):
+        super().__init__(parent)
+        self.setPlaceholderText('choose value')
+        self.datatype = datatype
+
+        self._map = {}
+        self._revmap = {}
+        for idx, member in enumerate(datatype._enum.members):
+            self._map[idx] = member
+            self._revmap[member.name] = idx
+            self._revmap[member.value] = idx
+            self.addItem(member.name, member.value)
+
+    def get_input(self):
+        return self._map[self.currentIndex()].value
+
+    def submit(self):
+        self.submitted.emit()
+
+
+class BoolInput(QCheckBox):
+    submitted = pyqtSignal()
+    def __init__(self, datatype, parent=None):
+        super().__init__(parent)
+        self.datatype = datatype
+
+    def get_input(self):
+        return self.checkState()
+
+    def submit(self):
+        self.submitted.emit()
diff --git a/frappy/gui/modulewidget.py b/frappy/gui/modulewidget.py
index f539ebd..503f971 100644
--- a/frappy/gui/modulewidget.py
+++ b/frappy/gui/modulewidget.py
@@ -27,6 +27,7 @@ from frappy.gui.qt import QColor, QDialog, QHBoxLayout, QIcon, QLabel, \
 
 from frappy.gui.util import Colors, loadUi
 from frappy.gui.valuewidgets import get_widget
+from frappy.gui.inputwidgets import get_input_widget
 
 
 class CommandDialog(QDialog):
@@ -316,16 +317,16 @@ class ModuleWidget(QWidget):
     def _addRWParam(self, param, row):
         nameLabel = AnimatedLabel(param)
         display = QLineEdit()
-        inputEdit = QLineEdit()
+        props = self._node.getProperties(self._name, param)
+        inputEdit = get_input_widget(props.get('datatype'))
         submitButton = QPushButton('set')
         submitButton.setIcon(QIcon(':/icons/submit'))
 
-        inputEdit.setPlaceholderText('new value')
         p = display.palette()
         p.setColor(display.backgroundRole(), Colors.palette.window().color())
         display.setPalette(p)
         submitButton.pressed.connect(lambda: self._button_pressed(param))
-        inputEdit.returnPressed.connect(lambda: self._button_pressed(param))
+        inputEdit.submitted.connect(lambda param=param: self._button_pressed(param))
         self._paramDisplays[param] = display
         self._paramInputs[param] = inputEdit
         self._paramWidgets[param] = [nameLabel, display, inputEdit, submitButton]
@@ -442,7 +443,7 @@ class ModuleWidget(QWidget):
         self.paramDetails.emit(self._name, param)
 
     def _button_pressed(self, param):
-        target = self._paramInputs[param].text()
+        target = self._paramInputs[param].get_input()
         try:
             self._node.setParameter(self._name, param, target)
         except Exception as e:
diff --git a/frappy/gui/qt.py b/frappy/gui/qt.py
index 7c671e3..46ba0f3 100644
--- a/frappy/gui/qt.py
+++ b/frappy/gui/qt.py
@@ -46,7 +46,7 @@ try:
         QScrollArea, QSizePolicy, QSpacerItem, QSpinBox, QStyle, \
         QStyleOptionTab, QStylePainter, QTabBar, QTabWidget, QTextEdit, \
         QToolButton, QTreeView, QTreeWidget, QTreeWidgetItem, QVBoxLayout, \
-        QWidget
+        QWidget,QSlider
 
     import frappy.gui.resources_qt6
 
@@ -66,6 +66,6 @@ except ImportError as e:
         QRadioButton, QScrollArea, QShortcut, QSizePolicy, QSpacerItem, \
         QSpinBox, QStyle, QStyleOptionTab, QStylePainter, QTabBar, \
         QTabWidget, QTextEdit, QToolButton, QTreeView, QTreeWidget, \
-        QTreeWidgetItem, QVBoxLayout, QWidget
+        QTreeWidgetItem, QVBoxLayout, QWidget, QSlider
 
     import frappy.gui.resources_qt5