forked from KolibriOS/kolibrios
367 lines
4.5 KiB
HTML
367 lines
4.5 KiB
HTML
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<HTML
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><HEAD
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><TITLE
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>SDL_KeyboardEvent</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.64
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="SDL Event Structures."
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HREF="eventstructures.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_ActiveEvent"
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HREF="sdlactiveevent.html"><LINK
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REL="NEXT"
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TITLE="SDL_MouseMotionEvent"
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HREF="sdlmousemotionevent.html"></HEAD
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><BODY
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CLASS="REFENTRY"
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BGCOLOR="#FFF8DC"
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TEXT="#000000"
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LINK="#0000ee"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="sdlactiveevent.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="sdlmousemotionevent.html"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="SDLKEYBOARDEVENT"
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>SDL_KeyboardEvent</A
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></H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN3578"
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></A
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><H2
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>Name</H2
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>SDL_KeyboardEvent -- Keyboard event structure</DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3581"
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></A
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><H2
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>Structure Definition</H2
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><PRE
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CLASS="PROGRAMLISTING"
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>typedef struct{
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Uint8 type;
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Uint8 state;
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SDL_keysym keysym;
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} SDL_KeyboardEvent;</PRE
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3584"
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></A
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><H2
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>Structure Data</H2
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><DIV
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CLASS="INFORMALTABLE"
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><A
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NAME="AEN3586"
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></A
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><P
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></P
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><TABLE
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BORDER="0"
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CLASS="CALSTABLE"
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><TBODY
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="STRUCTFIELD"
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><I
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>type</I
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></TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_KEYDOWN</TT
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> or <TT
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CLASS="LITERAL"
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>SDL_KEYUP</TT
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></TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="STRUCTFIELD"
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><I
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>state</I
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></TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_PRESSED</TT
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> or <TT
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CLASS="LITERAL"
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>SDL_RELEASED</TT
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></TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="STRUCTFIELD"
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><I
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>keysym</I
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></TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Contains key press information</TD
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></TR
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></TBODY
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></TABLE
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3605"
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></A
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><H2
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>Description</H2
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><P
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_KeyboardEvent</SPAN
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> is a member of the <A
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HREF="sdlevent.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_Event</SPAN
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></A
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> union and is used when an event of type <TT
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CLASS="LITERAL"
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>SDL_KEYDOWN</TT
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> or <TT
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CLASS="LITERAL"
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>SDL_KEYUP</TT
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> is reported.</P
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><P
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>The <TT
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CLASS="STRUCTFIELD"
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><I
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>type</I
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></TT
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> and <TT
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CLASS="STRUCTFIELD"
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><I
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>state</I
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></TT
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> actually report the same information, they just use different values to do it! A keyboard event occurs when a key is released (<TT
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CLASS="STRUCTFIELD"
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><I
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>type</I
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></TT
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>=<TT
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CLASS="LITERAL"
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>SDK_KEYUP</TT
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> or <TT
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CLASS="STRUCTFIELD"
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><I
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>state</I
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></TT
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>=<TT
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CLASS="LITERAL"
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>SDL_RELEASED</TT
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>) and when a key is pressed (<TT
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CLASS="STRUCTFIELD"
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><I
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>type</I
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></TT
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>=<TT
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CLASS="LITERAL"
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>SDL_KEYDOWN</TT
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> or <TT
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CLASS="STRUCTFIELD"
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><I
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>state</I
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></TT
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>=<TT
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CLASS="LITERAL"
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>SDL_PRESSED</TT
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>). The information on what key was pressed or released is in the <A
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HREF="sdlkeysym.html"
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><SPAN
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CLASS="STRUCTNAME"
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>keysym</SPAN
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></A
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> structure.</P
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><DIV
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CLASS="NOTE"
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><BLOCKQUOTE
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CLASS="NOTE"
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><P
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><B
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>Note: </B
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>Repeating <TT
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CLASS="LITERAL"
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>SDL_KEYDOWN</TT
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> events will occur if key repeat is enabled (see <A
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HREF="sdlenablekeyrepeat.html"
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><TT
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CLASS="FUNCTION"
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>SDL_EnableKeyRepeat</TT
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></A
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>).</P
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></BLOCKQUOTE
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3631"
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></A
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><H2
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>See Also</H2
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><P
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><A
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HREF="sdlevent.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_Event</SPAN
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></A
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>,
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<A
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HREF="sdlkeysym.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_keysym</SPAN
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></A
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>,
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<A
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HREF="sdlenablekeyrepeat.html"
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><TT
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CLASS="FUNCTION"
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>SDL_EnableKeyRepeat</TT
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></A
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>,
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<A
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HREF="sdlenableunicode.html"
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><TT
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CLASS="FUNCTION"
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>SDL_EnableUNICODE</TT
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></A
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></P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="sdlactiveevent.html"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="sdlmousemotionevent.html"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>SDL_ActiveEvent</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="eventstructures.html"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>SDL_MouseMotionEvent</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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>
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