Added double slider

Author: manuelkoester

NodeGraphQt/constants.py

@@ -230,21 +230,23 @@ class NodePropWidgetEnum(Enum):
     COLOR_PICKER = 9
     #: Node property represented with a ColorPicker (RGBA) widget.
     COLOR4_PICKER = 10
-    #: Node property represented with a Slider widget.
+    #: Node property represented with an (Int) Slider widget.
     SLIDER = 11
+    #: Node property represented with a (Dobule) Slider widget.
+    DOUBLE_SLIDER = 12
     #: Node property represented with a file selector widget.
-    FILE_OPEN = 12
+    FILE_OPEN = 13
     #: Node property represented with a file save widget.
-    FILE_SAVE = 13
+    FILE_SAVE = 14
     #: Node property represented with a vector2 widget.
-    VECTOR2 = 14
+    VECTOR2 = 15
     #: Node property represented with vector3 widget.
-    VECTOR3 = 15
+    VECTOR3 = 16
     #: Node property represented with vector4 widget.
-    VECTOR4 = 16
+    VECTOR4 = 17
     #: Node property represented with float line edit widget.
-    FLOAT = 17
+    FLOAT = 18
     #: Node property represented with int line edit widget.
-    INT = 18
+    INT = 19
     #: Node property represented with button widget.
-    BUTTON = 19
+    BUTTON = 20

NodeGraphQt/custom_widgets/properties_bin/custom_widget_slider.py

@@ -16,6 +16,7 @@ def __init__(self, parent=None):
         self._slider = QtWidgets.QSlider()
         self._spinbox = QtWidgets.QSpinBox()
         self._init()
+        self._init_signal_connections()
 
     def _init(self):
         self._slider.setOrientation(QtCore.Qt.Horizontal)
@@ -27,13 +28,15 @@ def _init(self):
         layout.setContentsMargins(0, 0, 0, 0)
         layout.addWidget(self._spinbox)
         layout.addWidget(self._slider)
-        self._spinbox.valueChanged.connect(self._on_spnbox_changed)
-        self._slider.valueChanged.connect(self._on_slider_changed)
         # store the original press event.
         self._slider_mouse_press_event = self._slider.mousePressEvent
         self._slider.mousePressEvent = self._on_slider_mouse_press
         self._slider.mouseReleaseEvent = self._on_slider_mouse_release
 
+    def _init_signal_connections(self):
+        self._spinbox.valueChanged.connect(self._on_spnbox_changed)
+        self._slider.valueChanged.connect(self._on_slider_changed)
+
     def _on_slider_mouse_press(self, event):
         self._block = True
         self._slider_mouse_press_event(event)
@@ -68,3 +71,51 @@ def set_min(self, value=0):
     def set_max(self, value=0):
         self._spinbox.setMaximum(value)
         self._slider.setMaximum(value)
+
+
+class QDoubleSlider(QtWidgets.QSlider):
+    double_value_changed = QtCore.Signal(float)
+
+    def __init__(self, decimals=2, *args, **kargs):
+        super(QDoubleSlider, self).__init__(*args, **kargs)
+        self._multiplier = 10 ** decimals
+
+        self.valueChanged.connect(self._on_value_change)
+
+    def _on_value_change(self):
+        value = float(super(QDoubleSlider, self).value()) / self._multiplier
+        self.double_value_changed.emit(value)
+
+    def value(self):
+        return float(super(QDoubleSlider, self).value()) / self._multiplier
+
+    def setMinimum(self, value):
+        return super(QDoubleSlider, self).setMinimum(value * self._multiplier)
+
+    def setMaximum(self, value):
+        return super(QDoubleSlider, self).setMaximum(value * self._multiplier)
+
+    def setSingleStep(self, value):
+        return super(QDoubleSlider, self).setSingleStep(value * self._multiplier)
+
+    def singleStep(self):
+        return float(super(QDoubleSlider, self).singleStep()) / self._multiplier
+
+    def setValue(self, value):
+        super(QDoubleSlider, self).setValue(int(value * self._multiplier))
+
+
+class PropDoubleSlider(PropSlider):
+    def __init__(self, parent=None, decimals=2):
+        # Do not initialize Propslider, just its parents
+        super(PropSlider, self).__init__(parent)
+        self._block = False
+        self._slider = QDoubleSlider(decimals=decimals)
+        self._spinbox = QtWidgets.QDoubleSpinBox()
+        self._init()
+        self._init_signal_connections()
+
+    def _init_signal_connections(self):
+        self._spinbox.valueChanged.connect(self._on_spnbox_changed)
+        # Connect to double_value_changed instead valueChanged
+        self._slider.double_value_changed.connect(self._on_slider_changed)

NodeGraphQt/custom_widgets/properties_bin/node_property_factory.py

@@ -1,7 +1,7 @@
 from NodeGraphQt.constants import NodePropWidgetEnum
 from .custom_widget_color_picker import PropColorPickerRGB, PropColorPickerRGBA
 from .custom_widget_file_paths import PropFilePath, PropFileSavePath
-from .custom_widget_slider import PropSlider
+from .custom_widget_slider import PropSlider, PropDoubleSlider
 from .custom_widget_value_edit import FloatValueEdit, IntValueEdit
 from .custom_widget_vectors import PropVector2, PropVector3, PropVector4
 from .prop_widgets_base import (
@@ -36,6 +36,7 @@ def __init__(self):
             NodePropWidgetEnum.COLOR_PICKER.value: PropColorPickerRGB,
             NodePropWidgetEnum.COLOR4_PICKER.value: PropColorPickerRGBA,
             NodePropWidgetEnum.SLIDER.value: PropSlider,
+            NodePropWidgetEnum.DOUBLE_SLIDER.value: PropDoubleSlider,
             NodePropWidgetEnum.FILE_OPEN.value: PropFilePath,
             NodePropWidgetEnum.FILE_SAVE.value: PropFileSavePath,
             NodePropWidgetEnum.VECTOR2.value: PropVector2,

NodeGraphQt/custom_widgets/properties_bin/node_property_widgets.py

@@ -587,6 +587,12 @@ def __init__(self):
                 range=(45, 55),
                 widget_type=NodePropWidgetEnum.SLIDER.value
             )
+            self.create_property(
+                'float_range',
+                value=150.5,
+                range=(50.5, 200),
+                widget_type=NodePropWidgetEnum.DOUBLE_SLIDER.value
+            )
             self.create_property(
                 'color4_picker',
                 value=(255, 0, 0, 122),