Now works when derived from wxTextCtrlBase, using wxScrollHelper.

[wxWidgets.git] / src / msw / statbox.cpp

diff --git a/src/msw/statbox.cpp b/src/msw/statbox.cpp
index 04d9874b6bb14112736fb1ad62d093d8b0b55fa9..829976e363bcef1dfe78cb039a7ddd76b6dedfbd 100644 (file)
--- a/src/msw/statbox.cpp
+++ b/src/msw/statbox.cpp
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "statbox.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -209,6 +205,24 @@ WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPar
         }
     }
 
+    if ( nMsg == WM_PRINTCLIENT )
+    {
+        // we have to process WM_PRINTCLIENT ourselves as otherwise child
+        // windows' background (eg buttons in radio box) would never be drawn
+        // unless we have a parent with non default background
+
+        // so check first if we have one
+        if ( !HandlePrintClient((WXHDC)wParam) )
+        {
+            // no, we don't, erase the background ourselves
+            // (don't use our own) - see PaintBackground for explanation
+            wxBrush brush(GetParent()->GetBackgroundColour());
+            wxFillRect(GetHwnd(), (HDC)wParam, GetHbrushOf(brush));
+        }
+
+        return 0;
+    }
+
     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
 }
 
@@ -264,6 +278,7 @@ WXHRGN wxStaticBox::MSWGetRegionWithoutChildren()
     RECT rc;
     ::GetWindowRect(GetHwnd(), &rc);
     HRGN hrgn = ::CreateRectRgn(rc.left, rc.top, rc.right + 1, rc.bottom + 1);
+    bool foundThis = false;
 
     // iterate over all child windows (not just wxWindows but all windows)
     for ( HWND child = ::GetWindow(GetHwndOf(GetParent()), GW_CHILD);
@@ -275,19 +290,26 @@ WXHRGN wxStaticBox::MSWGetRegionWithoutChildren()
             // if the window isn't visible then it doesn't need clipped
             continue;
         }
-        
+
         LONG style = ::GetWindowLong(child, GWL_STYLE);
         wxString str(wxGetWindowClass(child));
         str.UpperCase();
         if ( str == wxT("BUTTON") && (style & BS_GROUPBOX) == BS_GROUPBOX )
         {
-            // Don't clip any static boxes, not just this one.  This will
-            // result in flicker in overlapping static boxes, but at least
-            // they will all be drawn correctly and we shouldn't have
-            // overlapping windows anyway.
-            continue;
+            if ( child == GetHwnd() )
+                foundThis = true;
+
+            // Any static boxes below this one in the Z-order can't be clipped
+            // since if we have the case where a static box with a low Z-order
+            // is nested inside another static box with a high Z-order then the
+            // nested static box would be painted over. Doing it this way
+            // unfortunately results in flicker if the Z-order of nested static
+            // boxes is not inside (lowest) to outside (highest) but at least
+            // they are still shown.
+            if ( foundThis )
+                continue;
         }
-        
+
         ::GetWindowRect(child, &rc);
         if ( ::RectInRegion(hrgn, &rc) )
         {
@@ -297,7 +319,7 @@ WXHRGN wxStaticBox::MSWGetRegionWithoutChildren()
             {
                 style &= ~WS_CLIPSIBLINGS;
                 ::SetWindowLong(child, GWL_STYLE, style);
-                
+
                 // MSDN: "If you have changed certain window data using
                 // SetWindowLong, you must call SetWindowPos to have the
                 // changes take effect."