view docs/html/sdlgetmodstate.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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>SDL_GetModState</H1
><DIV
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><A
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><H2
>Name</H2
>SDL_GetModState&nbsp;--&nbsp;Get the state of modifier keys.</DIV
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>Synopsis</H2
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><PRE
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>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>SDLMod <B
CLASS="FSFUNC"
>SDL_GetModState</B
></CODE
>(void);</CODE
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>Description</H2
><P
>Returns the current state of the modifier keys (CTRL, ALT, etc.).</P
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><A
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><H2
>Return Value</H2
><P
>The return value can be an OR'd combination of the SDLMod enum.</P
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></A
><BLOCKQUOTE
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><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
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><BLOCKQUOTE
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><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
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>See Also</H2
><P
><A
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><TT
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>SDL_GetKeyState</TT
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