1. added GetClientAreaOrigin to wxWindow, calculations everywhere use it

2. added horz scrolling to the listbox and fixed thevertical one
3. added wxALWAYS_SHOW_SB (a.k.a. wxLB_ALWAYS_SB) style
4. corrected thumb size calculations


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/wxUNIVERSAL@8248 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/univ/window.h

@@ -64,9 +64,16 @@ public:
              const wxSize& size = wxDefaultSize,
              long style = 0,
              const wxString& name = wxPanelNameStr)
-        : wxWindowNative(parent, id, pos, size, style, name)
+        : wxWindowNative(parent, id, pos, size, style | wxCLIP_CHILDREN, name)
         { Init(); }
 
+    bool Create(wxWindow *parent,
+                wxWindowID id,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = 0,
+                const wxString& name = wxPanelNameStr);
+
     // background pixmap support
     // -------------------------
 
@@ -93,6 +100,9 @@ public:
     virtual void ScrollWindow(int dx, int dy,
                                const wxRect* rect = (wxRect *) NULL);
 
+    // take into account the borders here
+    virtual wxPoint GetClientAreaOrigin() const;
+
     // miscellaneous other methods
     // ---------------------------
 
@@ -130,6 +140,9 @@ protected:
     // draw the control background, return TRUE if done
     virtual bool DoDrawBackground(wxControlRenderer *renderer);
 
+    // draw the controls border
+    virtual void DoDrawBorder(wxControlRenderer *renderer);
+
     // draw the controls contents
     virtual void DoDraw(wxControlRenderer *renderer);