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DECLARE_WXCOCOA_OBJC_CLASS now declares types as struct objc_object* so that

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they are exactly the same type for C++ and Objective-C++ code.  This allows
them to be used as arguments to functions, especially virtuals, because
the C++ name mangling will be the same.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20162 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Elliott 2003-04-12 04:17:37 +00:00
parent 89e3b3e448
commit 7875262d29
1 changed files with 7 additions and 11 deletions
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18
include/wx/defs.h
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@ -1898,17 +1898,13 @@ typedef ControlHandle WXWidget;
#ifdef __WXCOCOA__
#if defined(__OBJC__)
#include <objc/objc.h>
#define DECLARE_WXCOCOA_OBJC_CLASS(klass) \
@class klass; typedef klass *WX_##klass
#elif defined(wxI_LIKE_OBJC_ID)
#define DECLARE_WXCOCOA_OBJC_CLASS(klass) \
typedef id WX_##klass
#else // the goal is to get rid of this secion at some time!
#define DECLARE_WXCOCOA_OBJC_CLASS(klass) \
typedef void *WX_##klass
#endif
// NOTE: typedef struct objc_object *id;
// IOW, we're declaring these using the id type without using that name,
// since "id" is used extensively not only within wxWindows itself, but
// also in wxWindows application code. The following works fine when
// compiling C++ code, and works without typesafety for Obj-C++ code
#define DECLARE_WXCOCOA_OBJC_CLASS(klass) \
typedef struct objc_object *WX_##klass
DECLARE_WXCOCOA_OBJC_CLASS(NSApplication);
DECLARE_WXCOCOA_OBJC_CLASS(NSBox);