rqt_reconfigure) Fix to "Range limits do not update until panel is re…

…loaded" (`#108 <https://github.com/ros-visualization/rqt_common_plugins/issues/108>`_)

rqt_reconfigure/src/rqt_reconfigure/param_editors.py

@@ -144,8 +144,9 @@ def __init__(self, updater, config):
 
         # Emit signal when cursor leaves the text field.
         self._paramval_lineedit.editingFinished.connect(self.edit_finished)
-        #TODO: Add textChanged to capture the change while cursor is still in
+        # Add textChanged to capture the change while cursor is still in
         # the text field.
+        self._paramval_lineedit.textChanged.connect(self.edit_finished)
 
     def update_value(self, value):
         rospy.logdebug('StringEditor update_value={}'.format(value))
@@ -163,46 +164,50 @@ def __init__(self, updater, config):
 
         loadUi(ui_int, self)
 
-        self.min = int(config['min'])
-        self.max = int(config['max'])
-        self._min_val_label.setText(str(self.min))
-        self._max_val_label.setText(str(self.max))
+        self._min = int(config['min'])
+        self._max = int(config['max'])
+        self._min_val_label.setText(str(self._min))
+        self._max_val_label.setText(str(self._max))
 
-        self._slider_horizontal.setRange(self.min, self.max)
-        self._slider_horizontal.sliderReleased.connect(self.slider_released)
-        self._slider_horizontal.sliderMoved.connect(self.update_text)
-        # valueChanged gets called when groove is clicked on.
-        self._slider_horizontal.valueChanged.connect(self.update_value)
+        self._slider_horizontal.setRange(self._min, self._max)
 
         # TODO: Fix that the naming of _paramval_lineEdit instance is not
         #       consistent among Editor's subclasses.
-        self._paramval_lineEdit.setValidator(QIntValidator(self.min,
-                                                           self.max, self))
-        self._paramval_lineEdit.editingFinished.connect(self.editing_finished)
+        self._paramval_lineEdit.setValidator(QIntValidator(self._min,
+                                                           self._max, self))
+
+        # Connect slots
+        self._paramval_lineEdit.textChanged.connect(self._text_edited)
+        self._slider_horizontal.sliderReleased.connect(self._slider_released)
+        #self._slider_horizontal.sliderMoved.connect(self._update_text_gui)
+        # valueChanged gets called when groove is clicked on.
+        #self._slider_horizontal.valueChanged.connect(self.update_value)
 
         # TODO: This should not always get set to the default it should be the
         # current value
         self._paramval_lineEdit.setText(str(config['default']))
         self._slider_horizontal.setSliderPosition(int(config['default']))
 
-    def editing_finished(self):
-        self._slider_horizontal.setSliderPosition(
-                                         int(self._paramval_lineEdit.text()))
+    def _text_edited(self):
         self._update_paramserver(int(self._paramval_lineEdit.text()))
 
-    def slider_released(self):
-        self.update_text(self._slider_horizontal.value())
-        self._update_paramserver(self._slider_horizontal.value())
+    def _slider_released(self):
+        '''Slot for mouse being released from slider.'''
+        _slider_val = self._slider_horizontal.value()
+        self._update_text_gui(_slider_val)
 
-    def update_text(self, val):
-        rospy.logdebug(' IntegerEditor.update_text val=%s', str(val))
-        self._paramval_lineEdit.setText(str(val))
-        #TODO: Run self._update_paramserver to update the value on PServer
+    def _update_text_gui(self, value):
+        rospy.logdebug(' IntegerEditor._update_text_gui val=%s', str(value))
+        self._paramval_lineEdit.setText(str(value))
+        # Run self._update_paramserver to update the value on PServer
+        self._update_paramserver(value)
+        self.update_value(value)
 
     def update_value(self, val):
-        self._slider_horizontal.setSliderPosition(int(val))
+        # Can be redundant when the trigger is the move of slider.
+        self._slider_horizontal.setSliderPosition(val)
+
         self._paramval_lineEdit.setText(str(val))
-        rospy.logdebug(' IntegerEditor.update_val val=%s', str(val))
 
 
 class DoubleEditor(EditorWidget):
@@ -213,70 +218,78 @@ def __init__(self, updater, config):
 
         # Handle unbounded doubles nicely
         if config['min'] != -float('inf'):
-            self.min = float(config['min'])
-            self._min_val_label.setText(str(self.min))
-            self.func = lambda x: x
-            self.ifunc = self.func
+            self._min = float(config['min'])
+            self._min_val_label.setText(str(self._min))
+            self._func = lambda x: x
+            self._ifunc = self._func
         else:
-            self.min = -1e10000
+            self._min = -1e10000
             self._min_val_label.setText('-inf')
-            self.func = lambda x: math.atan(x)
-            self.ifunc = lambda x: math.tan(x)
+            self._func = lambda x: math.atan(x)
+            self._ifunc = lambda x: math.tan(x)
 
         if config['max'] != float('inf'):
-            self.max = float(config['max'])
-            self._max_val_label.setText(str(self.max))
-            self.func = lambda x: x
-            self.ifunc = self.func
+            self._max = float(config['max'])
+            self._max_val_label.setText(str(self._max))
+            self._func = lambda x: x
+            self._ifunc = self._func
         else:
-            self.max = 1e10000
+            self._max = 1e10000
             self._max_val_label.setText('inf')
-            self.func = lambda x: math.atan(x)
-            self.ifunc = lambda x: math.tan(x)
+            self._func = lambda x: math.atan(x)
+            self._ifunc = lambda x: math.tan(x)
 
-        self.scale = (self.func(self.max) - self.func(self.min)) / 100
+        self.scale = (self._func(self._max) - self._func(self._min)) / 100
         if self.scale == 0:
             self.setDisabled(True)
 
-        self.offset = self.func(self.min)
+        self.offset = self._func(self._min)
 
-        self._slider_horizontal.setRange(self.slider_value(self.min),
-                                         self.slider_value(self.max))
-        self._slider_horizontal.sliderReleased.connect(self.slider_released)
-        self._slider_horizontal.sliderMoved.connect(self.update_text)
+        self._slider_horizontal.setRange(self._get_value_slider(self._min),
+                                         self._get_value_slider(self._max))
 
         self._paramval_lineEdit.setValidator(QDoubleValidator(
-                                                    self.min, self.max,
+                                                    self._min, self._max,
                                                     8, self))
-        self._paramval_lineEdit.editingFinished.connect(self.editing_finished)
-
         self._paramval_lineEdit.setText(str(config['default']))
         self._slider_horizontal.setSliderPosition(
-                                     self.slider_value(config['default']))
+                                     self._get_value_slider(config['default']))
 
-    def editing_finished(self):
-        self._slider_horizontal.setSliderPosition(
-                      self.slider_value(float(self._paramval_lineEdit.text())))
+        # Connect slots
+        self._paramval_lineEdit.textChanged.connect(self._text_edited)
+        self._slider_horizontal.sliderReleased.connect(self._slider_released)
+
+    def _text_edited(self):
+        '''Slot for text changed event in text field.'''
         self._update_paramserver(float(self._paramval_lineEdit.text()))
 
-    def get_value(self):
-        return self.ifunc(self._slider_horizontal.value() * self.scale)
+    def _get_value_textfield(self):
+        '''@return: Current value in text field.'''
+        return self._ifunc(self._slider_horizontal.value() * self.scale)
 
-    def slider_released(self):
-        self.update_text(self.get_value())
-        self._update_paramserver(self.get_value())
+    def _slider_released(self):
+        '''Slot for mouse being released from slider.'''
+        _slider_val = self._get_value_textfield()
+        self._update_text_gui(_slider_val)
 
-    def slider_value(self, value):
-        return int(round((self.func(value)) / self.scale)) if self.scale else 0
+    def _get_value_slider(self, value):
+        '''
+        @rtype: double
+        '''
+        return int(round((self._func(value)) / self.scale)) if self.scale else 0
 
-    def update_text(self, value):
-        self._paramval_lineEdit.setText(str(self.get_value()))
-        rospy.logdebug(' DblEditor.update_text val=%s', str(value))
-        #TODO: Run self._update_paramserver to update the value on PServer
+    def _update_text_gui(self, value):
+        self._paramval_lineEdit.setText(str(value))
+        rospy.loginfo(' DblEditor._update_text_gui val=%s', str(value))
+        # Run self._update_paramserver to update the value on PServer
+        self._update_paramserver(value)
+        self.update_value(value)
 
     def update_value(self, val):
+        # Can be redundant when the trigger is the move of slider.
         self._slider_horizontal.setSliderPosition(
-                                  self.slider_value(float(val)))
+                                            self._get_value_slider(float(val)))
+
         self._paramval_lineEdit.setText(str(val))