Mercurial > sdl-ios-xcode
view docs/html/sdlgetmousestate.html @ 885:9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
From: "Damien A"
Subject: testdyngl fix
The test program you included in the latest version of SDL crashes on startup in Window (XP). The reason for this is that OpenGL functions on Windows use the __stdcall calling convention, not the C convention. Placing APIENTRY infront of the * operator solves this problem.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Fri, 30 Apr 2004 18:33:30 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_GetMouseState</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="Event Functions." HREF="eventfunctions.html"><LINK REL="PREVIOUS" TITLE="SDL_EnableKeyRepeat" HREF="sdlenablekeyrepeat.html"><LINK REL="NEXT" TITLE="SDL_GetRelativeMouseState" HREF="sdlgetrelativemousestate.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >SDL Library Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="sdlenablekeyrepeat.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlgetrelativemousestate.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLGETMOUSESTATE" ></A >SDL_GetMouseState</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN5869" ></A ><H2 >Name</H2 >SDL_GetMouseState -- Retrieve the current state of the mouse</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN5872" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN5873" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >Uint8 <B CLASS="FSFUNC" >SDL_GetMouseState</B ></CODE >(int *x, int *y);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN5879" ></A ><H2 >Description</H2 ><P >The current button state is returned as a button bitmask, which can be tested using the <TT CLASS="LITERAL" >SDL_BUTTON(X)</TT > macros, and <TT CLASS="PARAMETER" ><I >x</I ></TT > and <TT CLASS="PARAMETER" ><I >y</I ></TT > are set to the current mouse cursor position. You can pass <TT CLASS="LITERAL" >NULL</TT > for either <TT CLASS="PARAMETER" ><I >x</I ></TT > or <TT CLASS="PARAMETER" ><I >y</I ></TT >.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN5888" ></A ><H2 >Example</H2 ><PRE CLASS="PROGRAMLISTING" >SDL_PumpEvents(); if(SDL_GetMouseState(NULL, NULL)&SDL_BUTTON(1)) printf("Mouse Button 1(left) is pressed.\n");</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN5891" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlgetrelativemousestate.html" ><TT CLASS="FUNCTION" >SDL_GetRelativeMouseState</TT ></A >, <A HREF="sdlpumpevents.html" ><TT CLASS="FUNCTION" >SDL_PumpEvents</TT ></A ></P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sdlenablekeyrepeat.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdlgetrelativemousestate.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_EnableKeyRepeat</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="eventfunctions.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_GetRelativeMouseState</TD ></TR ></TABLE ></DIV ></BODY ></HTML >