Awesome rating bar widget is awesome

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/uni@13408 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/guiengine/event_handler.cpp

@@ -681,13 +681,14 @@ EventPropagation EventHandler::onGUIEvent(const SEvent& event)
             {
                 Widget* w = GUIEngine::getWidget(id);
                 if (w == NULL) break;
-
                 if (w->m_deactivated)
                 {
                     GUIEngine::getCurrentScreen()->onDisabledItemClicked(w->m_properties[PROP_ID].c_str());
                     return EVENT_BLOCK;
                 }
 
+                w->onClick();
+
                 // These events are only triggered by mouse (or so I hope)
                 // The player that owns the mouser receives "game master" priviledges
                 return onWidgetActivated(w, PLAYER_ID_GAME_MASTER);

src/guiengine/widget.cpp

@@ -362,4 +362,3 @@ void Widget::moveIrrlichtElement()
                                                          irr::core::dimension2di(m_w, m_h) ) );
     }
 }
-

src/guiengine/widget.hpp

@@ -650,6 +650,9 @@ namespace GUIEngine
          */
 
         bool ok() const { return (m_magic_number == 0xCAFEC001); }
+
+        /** Gets called when the widget is active and got clicked. (Only works for button widgets for now.) */
+        virtual void onClick()  { }
     };
 
 

src/guiengine/widgets/rating_bar_widget.cpp

@@ -33,9 +33,11 @@ using namespace irr;
 // -----------------------------------------------------------------------------
 RatingBarWidget::RatingBarWidget() : Widget(WTYPE_RATINGBAR)
 {
-    m_rating = 0;
+    m_rating = 0.0f;
+    m_hover_rating = 0.0f;
     m_stars = 3;
     m_steps = 3;
+    m_hovering = false;
     for(int i = 0; i < m_stars; i++)
         m_star_values.push_back(0);
 }
@@ -99,13 +101,25 @@ void RatingBarWidget::setRating(float rating)
 
 // -----------------------------------------------------------------------------
 
-void RatingBarWidget::setStepValuesByMouse(const core::position2d<s32> & mouse_position, const core::recti & stars_rect)
+void RatingBarWidget::setStepValuesByMouse(const core::position2di & mouse_position, const core::recti & stars_rect)
 {
     if(stars_rect.isPointInside(mouse_position))
     {
-        float value = (float)(mouse_position.X - stars_rect.UpperLeftCorner.X);
-        setStepValues(  (float)( value / (float)stars_rect.getWidth() * (float)m_stars)  );
+        m_hovering = true;
+        m_hover_rating = (float)(mouse_position.X - stars_rect.UpperLeftCorner.X) / (float)stars_rect.getWidth() * (float)m_stars;
+        setStepValues(m_hover_rating );
     }
+    else if(m_hovering)
+    {
+        setStepValues(m_rating);
+        m_hovering = false;
+    }
+
+}
+
+void RatingBarWidget::onClick()
+{
+    m_rating = m_hover_rating;
 }
 
 

src/guiengine/widgets/rating_bar_widget.hpp

@@ -37,9 +37,11 @@ namespace GUIEngine
     {
     private:
         float                   m_rating;
+        float                   m_hover_rating;
         int                     m_stars;
         int                     m_steps;
         std::vector<int>        m_star_values;
+        bool                    m_hovering;
 
         void setStepValues(float rating);
 
@@ -68,7 +70,9 @@ namespace GUIEngine
         
         int getStepsOfStar(int index);
 
-        void setStepValuesByMouse(const core::position2d<s32> & mouse_position, const core::recti & stars_rect);
+        void setStepValuesByMouse(const core::position2di & mouse_position, const core::recti & stars_rect);
+
+        virtual void onClick();
     }; 
 }