Added a parameter to Slider::setPopupDisplayEnabled() to allow the popup to optionally appear on a mouse-over as well as a drag

modules/juce_gui_basics/widgets/juce_Slider.h

@@ -616,7 +616,7 @@ public:
     bool getSliderSnapsToMousePosition() const noexcept;
 
     /** If enabled, this gives the slider a pop-up bubble which appears while the
-        slider is being dragged.
+        slider is being dragged or hovered-over.
 
         This can be handy if your slider doesn't have a text-box, so that users can
         see the value just when they're changing it.
@@ -627,7 +627,9 @@ public:
         transparent window, so if you're using an OS that can't do transparent windows
         you'll have to add it to a parent component instead).
     */
-    void setPopupDisplayEnabled (bool isEnabled, Component* parentComponentToUse);
+    void setPopupDisplayEnabled (bool shouldShowOnMouseDrag,
+                                 bool shouldShowOnMouseHover,
+                                 Component* parentComponentToUse);
 
     /** If a popup display is enabled and is currently visible, this returns the component
         that is being shown, or nullptr if none is currently in use.
@@ -904,6 +906,10 @@ public:
     void focusOfChildComponentChanged (FocusChangeType) override;
     /** @internal */
     void colourChanged() override;
+    /** @internal */
+    void mouseMove (const MouseEvent&) override;
+    /** @internal */
+    void mouseExit (const MouseEvent&) override;
 
 private:
     //==============================================================================