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Date: Mon, 3 May 2004 03:15:01 +0100 From: David Symmonds Subject: SDL Typedef Structs Hi, Thanks for the SDL libraries, I have been using them for about a year now and they are really brilliant. One thing that I have just found whilst using them through C++ (and needing forward declarations) is that when you typedef structs you sometimes use typedef struct Name { ... }Name; e.g. SDL_Surface and other times use typedef struct { ... }Name; e.g. SDL_Rect The first type works fine, when I define a header file I can just put 'struct Name;' at the top and use the Name throughout. However, the second type is harder to use in a header, and I haven't found a way yet, other than to include 'SDL.h' in the header file (undesirable). Would there be any harm in changing the definition of SDL_Rect and such like to the second form?
author Sam Lantinga <slouken@libsdl.org>
date Sun, 18 Jul 2004 22:57:40 +0000
parents 355632dca928
children
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<HTML
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><TITLE
>SDL_ShowCursor</TITLE
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><H1
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>SDL_ShowCursor</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN2615"
></A
><H2
>Name</H2
>SDL_ShowCursor&nbsp;--&nbsp;Toggle whether or not the cursor is shown on the screen.</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
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></A
><H2
>Synopsis</H2
><DIV
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><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="FSFUNC"
>SDL_ShowCursor</B
></CODE
>(int toggle);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN2625"
></A
><H2
>Description</H2
><P
>Toggle whether or not the cursor is shown on the screen. Passing <TT
CLASS="LITERAL"
>SDL_ENABLE</TT
> displays the cursor and passing <TT
CLASS="LITERAL"
>SDL_DISABLE</TT
> hides it. The current state of the mouse cursor can be queried by passing <TT
CLASS="LITERAL"
>SDL_QUERY</TT
>, either <TT
CLASS="LITERAL"
>SDL_DISABLE</TT
> or <TT
CLASS="LITERAL"
>SDL_ENABLE</TT
> will be returned.</P
><P
>The cursor starts off displayed, but can be turned off.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN2634"
></A
><H2
>Return Value</H2
><P
>Returns the current state of the cursor.</P
></DIV
><DIV
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><A
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></A
><H2
>See Also</H2
><P
><A
HREF="sdlcreatecursor.html"
><TT
CLASS="FUNCTION"
>SDL_CreateCursor</TT
></A
>,
<A
HREF="sdlsetcursor.html"
><TT
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>SDL_SetCursor</TT
></A
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