symbian-qemu-0.9.1-12/libsdl-trunk/docs/html/sdlactiveevent.html
author johnathan.white@2718R8BGH51.accenture.com
Mon, 08 Mar 2010 18:45:03 +0000
changeset 46 b6935a90ca64
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority

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><H1
><A
NAME="SDLACTIVEEVENT"
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>SDL_ActiveEvent</H1
><DIV
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><A
NAME="AEN3955"
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><H2
>Name</H2
>SDL_ActiveEvent&nbsp;--&nbsp;Application visibility event structure</DIV
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><H2
>Structure Definition</H2
><PRE
CLASS="PROGRAMLISTING"
>typedef struct{
  Uint8 type;
  Uint8 gain;
  Uint8 state;
} SDL_ActiveEvent;</PRE
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><H2
>Structure Data</H2
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><TT
CLASS="STRUCTFIELD"
><I
>type</I
></TT
></TD
><TD
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><TT
CLASS="LITERAL"
>SDL_ACTIVEEVENT.</TT
></TD
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><TT
CLASS="STRUCTFIELD"
><I
>gain</I
></TT
></TD
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>0 if the event is a loss or 1 if it is a gain.</TD
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><TT
CLASS="STRUCTFIELD"
><I
>state</I
></TT
></TD
><TD
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><TT
CLASS="LITERAL"
>SDL_APPMOUSEFOCUS</TT
> if mouse focus was gained or lost, <TT
CLASS="LITERAL"
>SDL_APPINPUTFOCUS</TT
> if input focus was gained or lost, or <TT
CLASS="LITERAL"
>SDL_APPACTIVE</TT
> if the application was iconified (<TT
CLASS="STRUCTFIELD"
><I
>gain</I
></TT
>=0) or restored(<TT
CLASS="STRUCTFIELD"
><I
>gain</I
></TT
>=1).</TD
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><H2
>Description</H2
><P
><SPAN
CLASS="STRUCTNAME"
>SDL_ActiveEvent</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_ACTIVEEVENT</TT
> is reported.</P
><P
>When the mouse leaves or enters the window area a <TT
CLASS="LITERAL"
>SDL_APPMOUSEFOCUS</TT
> type activation event occurs, if the mouse entered the window then <TT
CLASS="STRUCTFIELD"
><I
>gain</I
></TT
> will be 1, otherwise <TT
CLASS="STRUCTFIELD"
><I
>gain</I
></TT
> will be 0. A <TT
CLASS="LITERAL"
>SDL_APPINPUTFOCUS</TT
> type activation event occurs when the application loses or gains keyboard focus. This usually occurs when another application is made active. Finally, a <TT
CLASS="LITERAL"
>SDL_APPACTIVE</TT
> type event occurs when the application is either minimised/iconified (<TT
CLASS="STRUCTFIELD"
><I
>gain</I
></TT
>=0) or restored.</P
><DIV
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><BLOCKQUOTE
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><P
><B
>Note: </B
>This event does not occur when an application window is first created.</P
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>See Also</H2
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>SDL_Event</SPAN
></A
>,
<A
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><TT
CLASS="FUNCTION"
>SDL_GetAppState</TT
></A
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