Fixed bug in GuiScrollBar()

src/raygui.h

@@ -2343,7 +2343,7 @@ RAYGUIDEF int GuiScrollBar(Rectangle bounds, int value, int minValue, int maxVal
     if (value < minValue) value = minValue;
     
     const int range = maxValue - minValue;
-    
+    int sliderSize = GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_SIZE);
     // Calculate rectangles for all of the components
     spinnerUpLeft = (Rectangle){ bounds.x + GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER), bounds.y + GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER), spinnerSize, spinnerSize };
     
@@ -2351,13 +2351,15 @@ RAYGUIDEF int GuiScrollBar(Rectangle bounds, int value, int minValue, int maxVal
     {
         spinnerDownRight = (Rectangle){ bounds.x + GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER), bounds.y + bounds.height - spinnerSize - GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER), spinnerSize, spinnerSize};
         scrollbar = (Rectangle){ bounds.x + GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_PADDING), spinnerUpLeft.y + spinnerUpLeft.height, bounds.width - 2*(GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_PADDING)), bounds.height - spinnerUpLeft.height - spinnerDownRight.height - 2*GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) };
-        slider = (Rectangle){ bounds.x + GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_PADDING),scrollbar.y + (int)(((float)(value - minValue)/range)*(scrollbar.height - GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_SIZE))),bounds.width - 2*(GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_PADDING)), GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_SIZE) };
+        sliderSize = sliderSize >= scrollbar.height ? scrollbar.height - 2 : sliderSize; // Make sure the slider won't get outside of the scrollbar
+        slider = (Rectangle){ bounds.x + GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_PADDING),scrollbar.y + (int)(((float)(value - minValue)/range)*(scrollbar.height - sliderSize)),bounds.width - 2*(GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_PADDING)), sliderSize };
     } 
     else 
     {
         spinnerDownRight = (Rectangle){ bounds.x + bounds.width - spinnerSize - GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER), bounds.y + GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER), spinnerSize, spinnerSize};
         scrollbar = (Rectangle){ spinnerUpLeft.x + spinnerUpLeft.width, bounds.y + GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_PADDING), bounds.width - spinnerUpLeft.width - spinnerDownRight.width - 2*GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER), bounds.height - 2*(GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_PADDING))};
-        slider = (Rectangle){ scrollbar.x + (int)(((float)(value - minValue)/range)*(scrollbar.width - GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_SIZE))), bounds.y + GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_PADDING), GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_SIZE), bounds.height - 2*(GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_PADDING)) };
+        sliderSize = sliderSize >= scrollbar.width ? scrollbar.width - 2 : sliderSize; // Make sure the slider won't get outside of the scrollbar
+        slider = (Rectangle){ scrollbar.x + (int)(((float)(value - minValue)/range)*(scrollbar.width - sliderSize)), bounds.y + GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_PADDING), sliderSize, bounds.height - 2*(GuiGetStyle(SCROLLBAR, SCROLLBAR_BORDER) + GuiGetStyle(SCROLLBAR, SCROLLBAR_SLIDER_PADDING)) };
     }
     
     // Update control