Mercurial > sdl-ios-xcode
view docs/html/sdlkeyboardevent.html @ 641:df178851293b
Date: 28 Jun 2003 22:42:52 +0100
From: Alan Swanson
Subject: Re: [SDL] New XFree 4.3 Video Mode Patch
I have a wee amendment that moves the qsort in set_best_resolution
to only occur after failing to find an exact match only. This would
make absolutely sure we get a user set mode.
While I've never had any problems for my normal resolutions (1280x1024,
1024x768, 800x600 & 640,480) while closely examining the output from
qsort I've noticed it doesn't seem to sort the modes fully. These is
one definite wrong at 1152x768 and a few that just look wrong to me.
From a program (attached) I made to examine this more easily. X has
sorted its mode list using the same method as ours (plus frequency),
and our user modes get inserted without any other movement.
On the patch I've made I've also changed cmpmodes to sort on vertical
resolution and then horizontal. Ie vertical is now most significant
bit.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sat, 28 Jun 2003 21:52:26 +0000 |
parents | e5bc29de3f0a |
children | 355632dca928 |
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<HTML ><HEAD ><TITLE >SDL_KeyboardEvent</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_ActiveEvent" HREF="sdlactiveevent.html"><LINK REL="NEXT" TITLE="SDL_MouseMotionEvent" HREF="sdlmousemotionevent.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="sdlactiveevent.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlmousemotionevent.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLKEYBOARDEVENT" >SDL_KeyboardEvent</A ></H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN3627" ></A ><H2 >Name</H2 >SDL_KeyboardEvent -- Keyboard event structure</DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3630" ></A ><H2 >Structure Definition</H2 ><PRE CLASS="PROGRAMLISTING" >typedef struct{ Uint8 type; Uint8 state; SDL_keysym keysym; } SDL_KeyboardEvent;</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3633" ></A ><H2 >Structure Data</H2 ><DIV CLASS="INFORMALTABLE" ><A NAME="AEN3635" ></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_KEYDOWN</TT > or <TT CLASS="LITERAL" >SDL_KEYUP</TT ></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_PRESSED</TT > or <TT CLASS="LITERAL" >SDL_RELEASED</TT ></TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >keysym</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Contains key press information</TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3654" ></A ><H2 >Description</H2 ><P ><SPAN CLASS="STRUCTNAME" >SDL_KeyboardEvent</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_KEYDOWN</TT > or <TT CLASS="LITERAL" >SDL_KEYUP</TT > is reported.</P ><P >The <TT CLASS="STRUCTFIELD" ><I >type</I ></TT > and <TT CLASS="STRUCTFIELD" ><I >state</I ></TT > actually report the same information, they just use different values to do it! A keyboard event occurs when a key is released (<TT CLASS="STRUCTFIELD" ><I >type</I ></TT >=<TT CLASS="LITERAL" >SDK_KEYUP</TT > or <TT CLASS="STRUCTFIELD" ><I >state</I ></TT >=<TT CLASS="LITERAL" >SDL_RELEASED</TT >) and when a key is pressed (<TT CLASS="STRUCTFIELD" ><I >type</I ></TT >=<TT CLASS="LITERAL" >SDL_KEYDOWN</TT > or <TT CLASS="STRUCTFIELD" ><I >state</I ></TT >=<TT CLASS="LITERAL" >SDL_PRESSED</TT >). The information on what key was pressed or released is in the <A HREF="sdlkeysym.html" ><SPAN CLASS="STRUCTNAME" >keysym</SPAN ></A > structure.</P ><DIV CLASS="NOTE" ><BLOCKQUOTE CLASS="NOTE" ><P ><B >Note: </B >Repeating <TT CLASS="LITERAL" >SDL_KEYDOWN</TT > events will occur if key repeat is enabled (see <A HREF="sdlenablekeyrepeat.html" ><TT CLASS="FUNCTION" >SDL_EnableKeyRepeat</TT ></A >).</P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3680" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlevent.html" ><SPAN CLASS="STRUCTNAME" >SDL_Event</SPAN ></A >, <A HREF="sdlkeysym.html" ><SPAN CLASS="STRUCTNAME" >SDL_keysym</SPAN ></A >, <A HREF="sdlenablekeyrepeat.html" ><TT CLASS="FUNCTION" >SDL_EnableKeyRepeat</TT ></A >, <A HREF="sdlenableunicode.html" ><TT CLASS="FUNCTION" >SDL_EnableUNICODE</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="sdlactiveevent.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="sdlmousemotionevent.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_ActiveEvent</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="eventstructures.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_MouseMotionEvent</TD ></TR ></TABLE ></DIV ></BODY ></HTML >