Handle the WS_EX_LEFTSCROLLBAR style (that is, draw the vertical
scrollbar on the left side of the control).

diff --git a/controls/scroll.c b/controls/scroll.c
index 8a6c3cc..c6e191d 100644
--- a/controls/scroll.c
+++ b/controls/scroll.c
@@ -229,7 +229,10 @@
 	break;
 
       case SB_VERT:
-        lprect->left   = wndPtr->rectClient.right - wndPtr->rectWindow.left;
+        if((wndPtr->dwExStyle & WS_EX_LEFTSCROLLBAR) != 0)
+            lprect->left   = wndPtr->rectClient.left - wndPtr->rectWindow.left - GetSystemMetrics(SM_CXVSCROLL);
+        else
+            lprect->left   = wndPtr->rectClient.right - wndPtr->rectWindow.left;
         lprect->top    = wndPtr->rectClient.top - wndPtr->rectWindow.top;
         lprect->right  = lprect->left + GetSystemMetrics(SM_CXVSCROLL);
         lprect->bottom = wndPtr->rectClient.bottom - wndPtr->rectWindow.top;