Add ButtonEventHandler::isHovered, fix setActive()

Signed-off-by: falkTX <falktx@falktx.com>

Author: falkTX

dgl/EventHandlers.hpp

@@ -66,6 +66,8 @@ class ButtonEventHandler
     bool isEnabled() const noexcept;
     void setEnabled(bool enabled, bool appliesToEventInput = true) noexcept;
 
+    bool isHovered() const noexcept;
+
     Point<double> getLastClickPosition() const noexcept;
     Point<double> getLastMotionPosition() const noexcept;
 

dgl/src/EventHandlers.cpp

@@ -145,7 +145,11 @@ struct ButtonEventHandler::PrivateData {
         if (active == active2)
             return;
 
-        state |= kButtonStateActive;
+        if (active2)
+            state |= kButtonStateActive;
+        else
+            state &= ~kButtonStateActive;
+
         widget->repaint();
 
         if (sendCallback)
@@ -251,6 +255,11 @@ void ButtonEventHandler::setEnabled(const bool enabled, const bool appliesToEven
     pData->setEnabled(enabled, appliesToEventInput);
 }
 
+bool ButtonEventHandler::isHovered() const noexcept
+{
+    return (pData->state & ButtonEventHandler::kButtonStateHover) != 0;
+}
+
 Point<double> ButtonEventHandler::getLastClickPosition() const noexcept
 {
     return pData->lastClickPos;