327 lines
4.3 KiB
HTML
327 lines
4.3 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>SDL_ActiveEvent</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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TITLE="SDL Event Structures."
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TITLE="SDL_Event"
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HREF="sdlevent.html"><LINK
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TITLE="SDL_KeyboardEvent"
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HREF="sdlkeyboardevent.html"></HEAD
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COLSPAN="3"
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>SDL Library Documentation</TH
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WIDTH="10%"
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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="SDLACTIVEEVENT"
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>SDL_ActiveEvent</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="AEN3522"
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></A
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><H2
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>Name</H2
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>SDL_ActiveEvent -- Application visibility event structure</DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3525"
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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 gain;
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Uint8 state;
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} SDL_ActiveEvent;</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="AEN3528"
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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="AEN3530"
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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_ACTIVEEVENT.</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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>gain</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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>0 if the event is a loss or 1 if it is a gain.</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_APPMOUSEFOCUS</TT
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> if mouse focus was gained or lost, <TT
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CLASS="LITERAL"
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>SDL_APPINPUTFOCUS</TT
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> if input focus was gained or lost, or <TT
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CLASS="LITERAL"
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>SDL_APPACTIVE</TT
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> if the application was iconified (<TT
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CLASS="STRUCTFIELD"
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><I
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>gain</I
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></TT
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>=0) or restored(<TT
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CLASS="STRUCTFIELD"
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><I
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>gain</I
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></TT
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>=1).</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="AEN3551"
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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_ActiveEvent</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_ACTIVEEVENT</TT
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> is reported.</P
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><P
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>When the mouse leaves or enters the window area a <TT
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CLASS="LITERAL"
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>SDL_APPMOUSEFOCUS</TT
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> type activation event occurs, if the mouse entered the window then <TT
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CLASS="STRUCTFIELD"
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><I
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>gain</I
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></TT
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> will be 1, otherwise <TT
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CLASS="STRUCTFIELD"
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><I
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>gain</I
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></TT
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> will be 0. A <TT
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CLASS="LITERAL"
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>SDL_APPINPUTFOCUS</TT
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> type activation event occurs when the application loses or gains keyboard focus. This usually occurs when another application is made active. Finally, a <TT
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CLASS="LITERAL"
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>SDL_APPACTIVE</TT
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> type event occurs when the application is either minimised/iconified (<TT
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CLASS="STRUCTFIELD"
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><I
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>gain</I
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></TT
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>=0) or restored.</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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>This event does not occur when an application window is first created.</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="AEN3567"
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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="sdlgetappstate.html"
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><TT
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CLASS="FUNCTION"
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>SDL_GetAppState</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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><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="sdlevent.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="sdlkeyboardevent.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_Event</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_KeyboardEvent</TD
|
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></TR
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></TABLE
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></BODY
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> |