Mercurial > sdl-ios-xcode
view docs/html/sdlgetmousestate.html @ 2321:c5feceb0395e
SetupWindowData in SDL_X11window.c was realloc()ing the display window list and incrementing numwindows even though those are being updated in functions that call
this function. The result is that it is possible to get the same window added to the list twice.
author | Bob Pendleton <bob@pendleton.com> |
---|---|
date | Tue, 04 Mar 2008 23:09:28 +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 >