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Apparently MacOS X will sometimes pass command line arguments to a Cocoa app as an openFile() message, so we have to make sure we were launched from the Finder before accepting these as drag'n'drop documents, or they will just duplicate what's already in argc/argv.
author Ryan C. Gordon <icculus@icculus.org>
date Mon, 22 Aug 2005 14:18:15 +0000
parents 355632dca928
children
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<HTML
><HEAD
><TITLE
>SDL_KeyboardEvent</TITLE
><META
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><HR
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><H1
><A
NAME="SDLKEYBOARDEVENT"
></A
>SDL_KeyboardEvent</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN4011"
></A
><H2
>Name</H2
>SDL_KeyboardEvent&nbsp;--&nbsp;Keyboard event structure</DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4014"
></A
><H2
>Structure Definition</H2
><PRE
CLASS="PROGRAMLISTING"
>typedef struct{
  Uint8 type;
  Uint8 state;
  SDL_keysym keysym;
} SDL_KeyboardEvent;</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4017"
></A
><H2
>Structure Data</H2
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN4019"
></A
><P
></P
><TABLE
BORDER="0"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="STRUCTFIELD"
><I
>type</I
></TT
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="LITERAL"
>SDL_KEYDOWN</TT
> or <TT
CLASS="LITERAL"
>SDL_KEYUP</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="STRUCTFIELD"
><I
>state</I
></TT
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="LITERAL"
>SDL_PRESSED</TT
> or <TT
CLASS="LITERAL"
>SDL_RELEASED</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="STRUCTFIELD"
><I
>keysym</I
></TT
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Contains key press information</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4038"
></A
><H2
>Description</H2
><P
><SPAN
CLASS="STRUCTNAME"
>SDL_KeyboardEvent</SPAN
> is a member of the <A
HREF="sdlevent.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_Event</SPAN
></A
> union and is used when an event of type <TT
CLASS="LITERAL"
>SDL_KEYDOWN</TT
> or <TT
CLASS="LITERAL"
>SDL_KEYUP</TT
> is reported.</P
><P
>The <TT
CLASS="STRUCTFIELD"
><I
>type</I
></TT
> and <TT
CLASS="STRUCTFIELD"
><I
>state</I
></TT
> actually report the same information, they just use different values to do it! A keyboard event occurs when a key is released (<TT
CLASS="STRUCTFIELD"
><I
>type</I
></TT
>=<TT
CLASS="LITERAL"
>SDK_KEYUP</TT
> or <TT
CLASS="STRUCTFIELD"
><I
>state</I
></TT
>=<TT
CLASS="LITERAL"
>SDL_RELEASED</TT
>) and when a key is pressed (<TT
CLASS="STRUCTFIELD"
><I
>type</I
></TT
>=<TT
CLASS="LITERAL"
>SDL_KEYDOWN</TT
> or <TT
CLASS="STRUCTFIELD"
><I
>state</I
></TT
>=<TT
CLASS="LITERAL"
>SDL_PRESSED</TT
>). The information on what key was pressed or released is in the <A
HREF="sdlkeysym.html"
><SPAN
CLASS="STRUCTNAME"
>keysym</SPAN
></A
> structure.</P
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>Repeating <TT
CLASS="LITERAL"
>SDL_KEYDOWN</TT
> events will occur if key repeat is enabled (see <A
HREF="sdlenablekeyrepeat.html"
><TT
CLASS="FUNCTION"
>SDL_EnableKeyRepeat</TT
></A
>).</P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4064"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlevent.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_Event</SPAN
></A
>,
<A
HREF="sdlkeysym.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_keysym</SPAN
></A
>,
<A
HREF="sdlenablekeyrepeat.html"
><TT
CLASS="FUNCTION"
>SDL_EnableKeyRepeat</TT
></A
>,
<A
HREF="sdlenableunicode.html"
><TT
CLASS="FUNCTION"
>SDL_EnableUNICODE</TT
></A
></P
></DIV
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