REVIEWED: GuiScrollPanel()

src/raygui.h

@@ -1492,10 +1492,10 @@ Rectangle GuiScrollPanel(Rectangle bounds, const char *text, Rectangle content,
     if (!hasHorizontalScrollBar) hasHorizontalScrollBar = (hasVerticalScrollBar && (content.width > (bounds.width - 2*GuiGetStyle(DEFAULT, BORDER_WIDTH) - GuiGetStyle(LISTVIEW, SCROLLBAR_WIDTH))))? true : false;
     if (!hasVerticalScrollBar) hasVerticalScrollBar = (hasHorizontalScrollBar && (content.height > (bounds.height - 2*GuiGetStyle(DEFAULT, BORDER_WIDTH) - GuiGetStyle(LISTVIEW, SCROLLBAR_WIDTH))))? true : false;
 
-    const int horizontalScrollBarWidth = hasHorizontalScrollBar? GuiGetStyle(LISTVIEW, SCROLLBAR_WIDTH) : 0;
-    const int verticalScrollBarWidth =  hasVerticalScrollBar? GuiGetStyle(LISTVIEW, SCROLLBAR_WIDTH) : 0;
-    const Rectangle horizontalScrollBar = { (float)((GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)? (float)bounds.x + verticalScrollBarWidth : (float)bounds.x) + GuiGetStyle(DEFAULT, BORDER_WIDTH), (float)bounds.y + bounds.height - horizontalScrollBarWidth - GuiGetStyle(DEFAULT, BORDER_WIDTH), (float)bounds.width - verticalScrollBarWidth - 2*GuiGetStyle(DEFAULT, BORDER_WIDTH), (float)horizontalScrollBarWidth };
-    const Rectangle verticalScrollBar = { (float)((GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)? (float)bounds.x + GuiGetStyle(DEFAULT, BORDER_WIDTH) : (float)bounds.x + bounds.width - verticalScrollBarWidth - GuiGetStyle(DEFAULT, BORDER_WIDTH)), (float)bounds.y + GuiGetStyle(DEFAULT, BORDER_WIDTH), (float)verticalScrollBarWidth, (float)bounds.height - horizontalScrollBarWidth - 2*GuiGetStyle(DEFAULT, BORDER_WIDTH) };
+    int horizontalScrollBarWidth = hasHorizontalScrollBar? GuiGetStyle(LISTVIEW, SCROLLBAR_WIDTH) : 0;
+    int verticalScrollBarWidth =  hasVerticalScrollBar? GuiGetStyle(LISTVIEW, SCROLLBAR_WIDTH) : 0;
+    Rectangle horizontalScrollBar = { (float)((GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)? (float)bounds.x + verticalScrollBarWidth : (float)bounds.x) + GuiGetStyle(DEFAULT, BORDER_WIDTH), (float)bounds.y + bounds.height - horizontalScrollBarWidth - GuiGetStyle(DEFAULT, BORDER_WIDTH), (float)bounds.width - verticalScrollBarWidth - 2*GuiGetStyle(DEFAULT, BORDER_WIDTH), (float)horizontalScrollBarWidth };
+    Rectangle verticalScrollBar = { (float)((GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)? (float)bounds.x + GuiGetStyle(DEFAULT, BORDER_WIDTH) : (float)bounds.x + bounds.width - verticalScrollBarWidth - GuiGetStyle(DEFAULT, BORDER_WIDTH)), (float)bounds.y + GuiGetStyle(DEFAULT, BORDER_WIDTH), (float)verticalScrollBarWidth, (float)bounds.height - horizontalScrollBarWidth - 2*GuiGetStyle(DEFAULT, BORDER_WIDTH) };
 
     // Calculate view area (area without the scrollbars)
     Rectangle view = (GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)?
@@ -1506,10 +1506,10 @@ Rectangle GuiScrollPanel(Rectangle bounds, const char *text, Rectangle content,
     if (view.width > content.width) view.width = content.width;
     if (view.height > content.height) view.height = content.height;
 
-    const float horizontalMin = hasHorizontalScrollBar? ((GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)? (float)-verticalScrollBarWidth : 0) - (float)GuiGetStyle(DEFAULT, BORDER_WIDTH) : (((float)GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)? (float)-verticalScrollBarWidth : 0) - (float)GuiGetStyle(DEFAULT, BORDER_WIDTH);
-    const float horizontalMax = hasHorizontalScrollBar? content.width - bounds.width + (float)verticalScrollBarWidth + GuiGetStyle(DEFAULT, BORDER_WIDTH) - (((float)GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)? (float)verticalScrollBarWidth : 0) : (float)-GuiGetStyle(DEFAULT, BORDER_WIDTH);
-    const float verticalMin = 0;
-    const float verticalMax = hasVerticalScrollBar? content.height - bounds.height + (float)horizontalScrollBarWidth + (float)GuiGetStyle(DEFAULT, BORDER_WIDTH) : (float)-GuiGetStyle(DEFAULT, BORDER_WIDTH);
+    float horizontalMin = hasHorizontalScrollBar? ((GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)? (float)-verticalScrollBarWidth : 0) - (float)GuiGetStyle(DEFAULT, BORDER_WIDTH) : (((float)GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)? (float)-verticalScrollBarWidth : 0) - (float)GuiGetStyle(DEFAULT, BORDER_WIDTH);
+    float horizontalMax = hasHorizontalScrollBar? content.width - bounds.width + (float)verticalScrollBarWidth + GuiGetStyle(DEFAULT, BORDER_WIDTH) - (((float)GuiGetStyle(LISTVIEW, SCROLLBAR_SIDE) == SCROLLBAR_LEFT_SIDE)? (float)verticalScrollBarWidth : 0) : (float)-GuiGetStyle(DEFAULT, BORDER_WIDTH);
+    float verticalMin = hasVerticalScrollBar? 0 : -1;
+    float verticalMax = hasVerticalScrollBar? content.height - bounds.height + (float)horizontalScrollBarWidth + (float)GuiGetStyle(DEFAULT, BORDER_WIDTH) : (float)-GuiGetStyle(DEFAULT, BORDER_WIDTH);
 
     // Update control
     //--------------------------------------------------------------------
@@ -1566,6 +1566,7 @@ Rectangle GuiScrollPanel(Rectangle bounds, const char *text, Rectangle content,
         GuiSetStyle(SCROLLBAR, SCROLL_SLIDER_SIZE, (int)(((bounds.width - 2*GuiGetStyle(DEFAULT, BORDER_WIDTH) - verticalScrollBarWidth)/(int)content.width)*((int)bounds.width - 2*GuiGetStyle(DEFAULT, BORDER_WIDTH) - verticalScrollBarWidth)));
         scrollPos.x = (float)-GuiScrollBar(horizontalScrollBar, (int)-scrollPos.x, (int)horizontalMin, (int)horizontalMax);
     }
+    else scrollPos.x = 0.0f;
 
     // Draw vertical scrollbar if visible
     if (hasVerticalScrollBar)
@@ -1574,6 +1575,7 @@ Rectangle GuiScrollPanel(Rectangle bounds, const char *text, Rectangle content,
         GuiSetStyle(SCROLLBAR, SCROLL_SLIDER_SIZE, (int)(((bounds.height - 2*GuiGetStyle(DEFAULT, BORDER_WIDTH) - horizontalScrollBarWidth)/(int)content.height)*((int)bounds.height - 2*GuiGetStyle(DEFAULT, BORDER_WIDTH) - horizontalScrollBarWidth)));
         scrollPos.y = (float)-GuiScrollBar(verticalScrollBar, (int)-scrollPos.y, (int)verticalMin, (int)verticalMax);
     }
+    else scrollPos.y = 0.0f;
 
     // Draw detail corner rectangle if both scroll bars are visible
     if (hasHorizontalScrollBar && hasVerticalScrollBar)