Redefine IAutoCompleteDropDown in our code as it's not always available.

MinGW doesn't have shobjidl.h header file which is normally part of the
Platform SDK and doesn't have IAutoCompleteDropDown interface definition in
any of its headers at all, so define this interface and its IID ourselves to
make the code compile with it.

Notice that MinGW-64 does have the interface declaration but still doesn't
define IID_IAutoCompleteDropDown.

So to be on the safe side just always define everything ourselves, as long as
we need to do it for one of the compilers, it's not more difficult to do it
for all of them.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67567 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/textentry.cpp b/src/msw/textentry.cpp
index d3743a25ab8ca7ab77e69a7e34e3c78365c5aab5..0ccc7aacf17717ee59e4a447875572e1a9f45913 100644 (file)
--- a/src/msw/textentry.cpp
+++ b/src/msw/textentry.cpp
@@ -55,7 +55,6 @@
 
 #include "wx/msw/ole/oleutils.h"
 #include <shldisp.h>
-#include <shobjidl.h>
 
 #if defined(__MINGW32__) || defined (__WATCOMC__) || defined(__CYGWIN__)
     // needed for IID_IAutoComplete, IID_IAutoComplete2 and ACO_AUTOSUGGEST
@@ -70,12 +69,27 @@
     #define SHACF_FILESYS_ONLY 0x00000010
 #endif
 
-DEFINE_GUID(CLSID_AutoComplete,
-    0x00bb2763, 0x6a77, 0x11d0, 0xa5, 0x35, 0x00, 0xc0, 0x4f, 0xd7, 0xd0, 0x62);
-
 namespace
 {
 
+// Normally this interface and its IID are defined in shobjidl.h header file
+// included in the platform SDK but MinGW and Cygwin don't have it so redefine
+// the interface ourselves and, as long as we do it all, do it for all
+// compilers to ensure we have the same behaviour for all of them and to avoid
+// the need to check for concrete compilers and maybe even their versions.
+class IAutoCompleteDropDown : public IUnknown
+{
+public:
+    virtual HRESULT wxSTDCALL GetDropDownStatus(DWORD *, LPWSTR *) = 0;
+    virtual HRESULT wxSTDCALL ResetEnumerator() = 0;
+};
+
+DEFINE_GUID(IID_IAutoCompleteDropDown,
+    0x3cd141f4, 0x3c6a, 0x11d2, 0xbc, 0xaa, 0x00, 0xc0, 0x4f, 0xd9, 0x29, 0xdb);
+
+DEFINE_GUID(CLSID_AutoComplete,
+    0x00bb2763, 0x6a77, 0x11d0, 0xa5, 0x35, 0x00, 0xc0, 0x4f, 0xd7, 0xd0, 0x62);
+
 // Small helper class which can be used to ensure thread safety even when
 // wxUSE_THREADS==0 (and hence wxCriticalSection does nothing).
 class CSLock