Mercurial > sdl-ios-xcode
view docs/man3/SDL_SysWMEvent.3 @ 1626:a80e1e0880b8
Fixed bug #176
[I'm fixing this for the public headers, but I'm not going to bother for the SDL library code (yet)]
To clarify: Normaly, GCC (or, to be precise, the preprocessor) will ignore
this, and compile the code happily. However, one can specify -Wundef to get a
warning about this.
One can probably argue whether to consider this a bug or not; but I think that
(a) from a semantic point of view, using "#if FOO" when FOO is not defined is
strange, and (b) since it is possible to trigger a warning about this, and a
trivial fix exists, it should be corrected.
I can think of two alternative patches, BTW:
1) Simply use #define HAVE_FOO 0, instead of not defining HAVE_FOO at all
2) Change
#if HAVE_FOO
to
#if HAVE_FOO+0
which always does the right thing.
But I think I still prefer the attached patch :-).
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Thu, 13 Apr 2006 13:38:40 +0000 |
parents | e5bc29de3f0a |
children | 546f7c1eb755 |
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.TH "SDL_SysWMEvent" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference" .SH "NAME" SDL_SysWMEvent\- Platform-dependent window manager event\&. .SH "DESCRIPTION" .PP The system window manager event contains a pointer to system-specific information about unknown window manager events\&. If you enable this event using \fI\fBSDL_EventState()\fP\fR, it will be generated whenever unhandled events are received from the window manager\&. This can be used, for example, to implement cut-and-paste in your application\&. .PP .nf \f(CWtypedef struct { Uint8 type; /* Always SDL_SysWM */ } SDL_SysWMEvent;\fR .fi .PP If you want to obtain system-specific information about the window manager, you can fill the version member of a \fBSDL_SysWMinfo\fR structure (details can be found in \fBSDL_syswm\&.h\fP, which must be included) using the \fBSDL_VERSION()\fP macro found in \fBSDL_version\&.h\fP, and pass it to the function: .PP .sp \fBint \fBSDL_GetWMInfo\fP\fR(\fBSDL_SysWMinfo *info\fR); .SH "SEE ALSO" .PP \fI\fBSDL_EventState\fP\fR ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00