Mercurial > sdl-ios-xcode
view docs/html/sdlgetmodstate.html @ 1248:d2c6881935be
Catch X11 extension errors...since most of these are notifications that we
queried for a missing extension (such as the XiG vidmode one that most
people don't have), and default Xlib behaviour is to write notification to
stderr, this tends to generate incorrect bug reports.
Since we'll actually deal with the missing extension when querying for it,
we ignore these errors in our hook. The rest continue to pass through to
the default handler.
Fixes Bugzilla #42.
--ryan.
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Sat, 14 Jan 2006 08:15:38 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_GetModState</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_GetKeyState" HREF="sdlgetkeystate.html"><LINK REL="NEXT" TITLE="SDL_SetModState" HREF="sdlsetmodstate.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="sdlgetkeystate.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlsetmodstate.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLGETMODSTATE" ></A >SDL_GetModState</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN5721" ></A ><H2 >Name</H2 >SDL_GetModState -- Get the state of modifier keys.</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN5724" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN5725" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >SDLMod <B CLASS="FSFUNC" >SDL_GetModState</B ></CODE >(void);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN5731" ></A ><H2 >Description</H2 ><P >Returns the current state of the modifier keys (CTRL, ALT, etc.).</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN5734" ></A ><H2 >Return Value</H2 ><P >The return value can be an OR'd combination of the SDLMod enum.</P ><P ><A NAME="AEN5738" ></A ><BLOCKQUOTE CLASS="BLOCKQUOTE" ><P ><B >SDLMod</B ></P ><PRE CLASS="PROGRAMLISTING" >typedef enum { KMOD_NONE = 0x0000, KMOD_LSHIFT= 0x0001, KMOD_RSHIFT= 0x0002, KMOD_LCTRL = 0x0040, KMOD_RCTRL = 0x0080, KMOD_LALT = 0x0100, KMOD_RALT = 0x0200, KMOD_LMETA = 0x0400, KMOD_RMETA = 0x0800, KMOD_NUM = 0x1000, KMOD_CAPS = 0x2000, KMOD_MODE = 0x4000, } SDLMod;</PRE ></BLOCKQUOTE > SDL also defines the following symbols for convenience: <A NAME="AEN5741" ></A ><BLOCKQUOTE CLASS="BLOCKQUOTE" ><PRE CLASS="PROGRAMLISTING" >#define KMOD_CTRL (KMOD_LCTRL|KMOD_RCTRL) #define KMOD_SHIFT (KMOD_LSHIFT|KMOD_RSHIFT) #define KMOD_ALT (KMOD_LALT|KMOD_RALT) #define KMOD_META (KMOD_LMETA|KMOD_RMETA)</PRE ></BLOCKQUOTE ></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN5743" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlgetkeystate.html" ><TT CLASS="FUNCTION" >SDL_GetKeyState</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="sdlgetkeystate.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="sdlsetmodstate.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_GetKeyState</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_SetModState</TD ></TR ></TABLE ></DIV ></BODY ></HTML >