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sdk
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sources
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SDL-1.2.2
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docs
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sdlactiveevent.html
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<
HTML
><
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><
TITLE
>SDL_ActiveEvent<
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><
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NAME
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"GENERATOR"
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"Modular DocBook HTML Stylesheet Version 1.64
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>SDL Library Documentation<
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H1
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A
NAME
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"SDLACTIVEEVENT"
>SDL_ActiveEvent<
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H1
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DIV
CLASS
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"REFNAMEDIV"
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A
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"AEN3522"
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H2
>Name<
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H2
>SDL_ActiveEvent -- Application visibility event structure<
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"REFSECT1"
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"AEN3525"
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H2
>Structure Definition<
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H2
><
PRE
CLASS
=
"PROGRAMLISTING"
>typedef struct
{
Uint8
type
;
Uint8 gain;
Uint8 state;
}
SDL_ActiveEvent;<
/
PRE
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/
DIV
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DIV
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"REFSECT1"
><
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"AEN3528"
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H2
>Structure Data<
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>type<
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><
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><
TT
CLASS
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>SDL_ACTIVEEVENT.<
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TT
><
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><
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"LEFT"
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"TOP"
><
TT
CLASS
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><
I
>gain<
/
I
><
/
TT
><
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TD
><
TD
ALIGN
=
"LEFT"
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"TOP"
>
0
if the event is a loss or
1
if it is a gain.<
/
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><
/
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><
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><
TD
ALIGN
=
"LEFT"
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=
"TOP"
><
TT
CLASS
=
"STRUCTFIELD"
><
I
>state<
/
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><
/
TT
><
/
TD
><
TD
ALIGN
=
"LEFT"
VALIGN
=
"TOP"
><
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
><
/
TR
><
/
TBODY
><
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TABLE
><
P
><
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P
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DIV
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/
DIV
><
DIV
CLASS
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"REFSECT1"
><
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NAME
=
"AEN3551"
><
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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
CLASS
=
"NOTE"
><
BLOCKQUOTE
CLASS
=
"NOTE"
><
P
><
B
>Note: <
/
B
>This event does not occur when an application window is first created.<
/
P
><
/
BLOCKQUOTE
><
/
DIV
><
/
DIV
><
DIV
CLASS
=
"REFSECT1"
><
A
NAME
=
"AEN3567"
><
/
A
><
H2
>See Also<
/
H2
><
P
><
A
HREF
=
"sdlevent.html"
><
SPAN
CLASS
=
"STRUCTNAME"
>SDL_Event<
/
SPAN
><
/
A
>,
<
A
HREF
=
"sdlgetappstate.html"
><
TT
CLASS
=
"FUNCTION"
>SDL_GetAppState<
/
TT
><
/
A
><
/
P
><
/
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><
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"NAVFOOTER"
><
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"0"
><
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WIDTH
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"33%"
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><
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>Prev<
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>Home<
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>Next<
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>SDL_Event<
/
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>Up<
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