From 6bb000ec67f671142ba67feaddbaeddd2b575811 Mon Sep 17 00:00:00 2001
From: Robin Dunn <robin@alldunn.com>
Date: Mon, 1 Sep 2003 19:53:54 +0000
Subject: [PATCH] reSWIGged

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23351 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 wxPython/contrib/glcanvas/msw/glcanvas.cpp |  5 ++
 wxPython/src/msw/misc2.cpp                 | 79 ++++++++++++++++++++--
 2 files changed, 77 insertions(+), 7 deletions(-)

diff --git a/wxPython/contrib/glcanvas/msw/glcanvas.cpp b/wxPython/contrib/glcanvas/msw/glcanvas.cpp
index 6ce847b3f5..47b3d9c3b0 100644
--- a/wxPython/contrib/glcanvas/msw/glcanvas.cpp
+++ b/wxPython/contrib/glcanvas/msw/glcanvas.cpp
@@ -55,6 +55,11 @@ extern PyObject *SWIG_newvarlink(void);
 #define SWIG_name    "glcanvasc"
 
 #include "wxPython.h"
+
+#ifdef __WXMAC__  // avoid a bug in Carbon headers
+#define scalb scalbn
+#endif
+
 #ifdef __WXMSW__
 #include "myglcanvas.h"
 #else
diff --git a/wxPython/src/msw/misc2.cpp b/wxPython/src/msw/misc2.cpp
index bcfa89db0d..9f7ed9151d 100644
--- a/wxPython/src/msw/misc2.cpp
+++ b/wxPython/src/msw/misc2.cpp
@@ -318,15 +318,79 @@ public:
 
 #ifdef __WXMSW__
 #include <wx/msw/private.h>
+#include <wx/dynload.h>
 #endif
 
 
-void wxDrawWindowOnDC(wxWindow* window, const wxDC& dc)
+void wxDrawWindowOnDC(wxWindow* window, const wxDC& dc, int method)
 {
 #ifdef __WXMSW__
-    ::SendMessage(GetHwndOf(window), WM_PAINT, (long)GetHdcOf(dc), 0);
-//     ::SendMessage(GetHwndOf(window), WM_PRINTCLIENT, (long)GetHdcOf(dc),
-//                   PRF_CLIENT | PRF_NONCLIENT | PRF_CHILDREN );
+
+    switch (method)
+    {
+        case 1:
+            // This one only partially works.  Appears to be an undocumented
+            // convention that not all widgets adhear to.  For example, for
+            // some widgets backgrounds or non-client areas may not be
+            // painted.
+            ::SendMessage(GetHwndOf(window), WM_PAINT, (long)GetHdcOf(dc), 0);
+            break;
+
+        case 2:
+            // This one works much better, except for on XP.  On Win2k all
+            // widgets and their children are captured correctly[**].  On XP
+            // with Themes activated most native widgets draw only partially,
+            // if at all.  Without themes it works just like on Win2k.
+            //
+            // ** The radio buttons in a wxRadioBox are not its children by
+            // default, but you can capture the panel instead...
+            ::SendMessage(GetHwndOf(window), WM_PRINT, (long)GetHdcOf(dc),
+                          PRF_CLIENT | PRF_NONCLIENT | PRF_CHILDREN |
+                          PRF_ERASEBKGND | PRF_OWNED );
+            break;
+
+        case 3:
+            // This one is only defined in the latest SDK and only available
+            // on XP.  MSDN says it is similar to sending WM_PRINT so I expect
+            // that it will work similar to the above.  Since it is avaialble
+            // only on XP, it can't be compiled like this and will have to be
+            // loaded dynamically.
+            //::PrintWindow(GetHwndOf(window), GetHdcOf(dc), 0);
+            //break;
+
+            // fall through
+
+        case 4:
+            // Use PrintWindow if available, or fallback to WM_PRINT
+            // otherwise.  Unfortunately using PrintWindow is even worse than
+            // WM_PRINT.  For most native widgets nothing is drawn to the dc
+            // at all, with or without Themes.
+            typedef BOOL (WINAPI *PrintWindow_t)(HWND, HDC, UINT);
+            static bool s_triedToLoad = false;
+            static PrintWindow_t pfnPrintWindow = NULL;
+            if ( !s_triedToLoad )
+            {
+
+                s_triedToLoad = true;
+                wxDynamicLibrary dllUser32(_T("user32.dll"));
+                if ( dllUser32.IsLoaded() )
+                {
+                    wxLogNull nolog;  // Don't report errors here
+                    pfnPrintWindow = (PrintWindow_t)dllUser32.GetSymbol(_T("PrintWindow"));
+                }
+            }
+            if (pfnPrintWindow)
+            {
+                printf("Using PrintWindow\n");
+                pfnPrintWindow(GetHwndOf(window), GetHdcOf(dc), 0);
+            }
+            else
+            {
+                printf("Using WM_PRINT\n");
+                ::SendMessage(GetHwndOf(window), WM_PRINT, (long)GetHdcOf(dc),
+                              PRF_CLIENT | PRF_NONCLIENT | PRF_CHILDREN | PRF_ERASEBKGND | PRF_OWNED );
+            }
+    }
 #endif
 }
 
@@ -2348,12 +2412,13 @@ static PyObject *_wrap_wxDrawWindowOnDC(PyObject *self, PyObject *args, PyObject
     PyObject * _resultobj;
     wxWindow * _arg0;
     wxDC * _arg1;
+    int  _arg2;
     PyObject * _argo0 = 0;
     PyObject * _argo1 = 0;
-    char *_kwnames[] = { "window","dc", NULL };
+    char *_kwnames[] = { "window","dc","method", NULL };
 
     self = self;
-    if(!PyArg_ParseTupleAndKeywords(args,kwargs,"OO:wxDrawWindowOnDC",_kwnames,&_argo0,&_argo1)) 
+    if(!PyArg_ParseTupleAndKeywords(args,kwargs,"OOi:wxDrawWindowOnDC",_kwnames,&_argo0,&_argo1,&_arg2)) 
         return NULL;
     if (_argo0) {
         if (_argo0 == Py_None) { _arg0 = NULL; }
@@ -2370,7 +2435,7 @@ static PyObject *_wrap_wxDrawWindowOnDC(PyObject *self, PyObject *args, PyObject
     }
 {
     PyThreadState* __tstate = wxPyBeginAllowThreads();
-    wxDrawWindowOnDC(_arg0,*_arg1);
+    wxDrawWindowOnDC(_arg0,*_arg1,_arg2);
 
     wxPyEndAllowThreads(__tstate);
     if (PyErr_Occurred()) return NULL;
-- 
2.45.2