Mercurial > sdl-ios-xcode
view docs/html/sdlactiveevent.html @ 610:95433459fbd2
Date: Mon, 14 Apr 2003 22:08:27 +0100
From: Patrice Mandin
Subject: [SDL][PATCH] 2 patches for sdl
Here are 2 patches for SDL:
- One is to put the dummy video drivers at the end of the
video drivers list. It gave me problems, when
SDL_VIDEODRIVER is not set, and the dummy driver is used
instead of the platform's driver, just because it is
always available. So the dummy driver must always be at
the end of the list. I suppose picogui and dc video
drivers also don't work.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 15 Apr 2003 15:46:56 +0000 |
parents | e5bc29de3f0a |
children | 355632dca928 |
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<HTML ><HEAD ><TITLE >SDL_ActiveEvent</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.64 "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="SDL Event Structures." HREF="eventstructures.html"><LINK REL="PREVIOUS" TITLE="SDL_Event" HREF="sdlevent.html"><LINK REL="NEXT" TITLE="SDL_KeyboardEvent" HREF="sdlkeyboardevent.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >SDL Library Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="sdlevent.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlkeyboardevent.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLACTIVEEVENT" >SDL_ActiveEvent</A ></H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN3571" ></A ><H2 >Name</H2 >SDL_ActiveEvent -- Application visibility event structure</DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3574" ></A ><H2 >Structure Definition</H2 ><PRE CLASS="PROGRAMLISTING" >typedef struct{ Uint8 type; Uint8 gain; Uint8 state; } SDL_ActiveEvent;</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3577" ></A ><H2 >Structure Data</H2 ><DIV CLASS="INFORMALTABLE" ><A NAME="AEN3579" ></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_ACTIVEEVENT.</TT ></TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >gain</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >0 if the event is a loss or 1 if it is a gain.</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_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 ></TABLE ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3600" ></A ><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="AEN3616" ></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 ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sdlevent.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdlkeyboardevent.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_Event</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="eventstructures.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_KeyboardEvent</TD ></TR ></TABLE ></DIV ></BODY ></HTML >