add code for debugging sizers/window sizes; it may be very useful for other purposes as well

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58680 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/wincmn.cpp

@@ -38,6 +38,7 @@
     #include "wx/settings.h"
     #include "wx/dialog.h"
     #include "wx/msgdlg.h"
+    #include "wx/msgout.h"
     #include "wx/statusbr.h"
     #include "wx/toolbar.h"
     #include "wx/dcclient.h"
@@ -2570,6 +2571,8 @@ static void DrawSizer(wxWindowBase *win, wxSizer *sizer)
         {
             DrawSizers(item->GetWindow());
         }
+        else
+            wxFAIL_MSG("inconsistent wxSizerItem status!");
     }
 }
 
@@ -2592,6 +2595,26 @@ static void DrawSizers(wxWindowBase *win)
         {
             DrawSizers(*i);
         }
+
+        // show all kind of sizes of this window; see the "window sizing" topic
+        // overview for more info about the various differences:
+        wxSize fullSz = win->GetSize();
+        wxSize clientSz = win->GetClientSize();
+        wxSize bestSz = win->GetBestSize();
+        wxSize minSz = win->GetMinSize();
+        wxSize maxSz = win->GetMaxSize();
+        wxSize virtualSz = win->GetVirtualSize();
+
+        wxMessageOutputDebug dbgout;
+        dbgout.Printf(
+            "%-10s => fullsz=%4d;%-4d  clientsz=%4d;%-4d  bestsz=%4d;%-4d  minsz=%4d;%-4d  maxsz=%4d;%-4d virtualsz=%4d;%-4d\n",
+            (const char*)win->GetName(),
+            fullSz.x, fullSz.y,
+            clientSz.x, clientSz.y,
+            bestSz.x, bestSz.y,
+            minSz.x, minSz.y,
+            maxSz.x, maxSz.y,
+            virtualSz.x, virtualSz.y);
     }
 }