Added Slider method to modify the number of decimal places that are displayed in a slider's text box

modules/juce_gui_basics/widgets/juce_Slider.cpp

@@ -1615,6 +1615,12 @@ double Slider::snapValue (double attemptedValue, DragMode)
 
 int Slider::getNumDecimalPlacesToDisplay() const noexcept   { return pimpl->numDecimalPlaces; }
 
+void Slider::setNumDecimalPlacesToDisplay (int decimalPlacesToDisplay)
+{
+    pimpl->numDecimalPlaces = decimalPlacesToDisplay;
+    updateText();
+}
+
 //==============================================================================
 int Slider::getThumbBeingDragged() const noexcept           { return pimpl->sliderBeingDragged; }
 void Slider::startedDragging() {}

modules/juce_gui_basics/widgets/juce_Slider.h

@@ -746,9 +746,18 @@ public:
         slider's value.
         It calculates the fewest decimal places needed to represent numbers with
         the slider's interval setting.
+
+        @see setNumDecimalPlacesToDisplay
     */
     int getNumDecimalPlacesToDisplay() const noexcept;
 
+    /** Modifies the best number of decimal places to use when displaying this
+        slider's value.
+
+        @see getNumDecimalPlacesToDisplay
+    */
+    void setNumDecimalPlacesToDisplay (int decimalPlacesToDisplay);
+
     //==============================================================================
     /** Allows a user-defined mapping of distance along the slider to its value.