Mercurial > sdl-ios-xcode
view docs/html/sdlmousebuttonevent.html @ 756:10332c6fad2e
te: Mon, 15 Dec 2003 08:25:14 -0800 PST
From: "Andrew Bachmann"
Subject: libSDL patches for beos video
I created some patches to SDL:
1. YUV overlay support
2. maintain high refresh rate when changing resolutions to a lower resolution
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 16 Dec 2003 13:04:44 +0000 |
parents | e5bc29de3f0a |
children | 355632dca928 |
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<HTML ><HEAD ><TITLE >SDL_MouseButtonEvent</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_MouseMotionEvent" HREF="sdlmousemotionevent.html"><LINK REL="NEXT" TITLE="SDL_JoyAxisEvent" HREF="sdljoyaxisevent.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="sdlmousemotionevent.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdljoyaxisevent.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLMOUSEBUTTONEVENT" >SDL_MouseButtonEvent</A ></H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN3760" ></A ><H2 >Name</H2 >SDL_MouseButtonEvent -- Mouse button event structure</DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3763" ></A ><H2 >Structure Definition</H2 ><PRE CLASS="PROGRAMLISTING" >typedef struct{ Uint8 type; Uint8 button; Uint8 state; Uint16 x, y; } SDL_MouseButtonEvent;</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3766" ></A ><H2 >Structure Data</H2 ><DIV CLASS="INFORMALTABLE" ><A NAME="AEN3768" ></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_MOUSEBUTTONDOWN</TT > or <TT CLASS="LITERAL" >SDL_MOUSEBUTTONUP</TT ></TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >button</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >The mouse button index (SDL_BUTTON_LEFT, SDL_BUTTON_MIDDLE, SDL_BUTTON_RIGHT)</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 >x</I ></TT >, <TT CLASS="STRUCTFIELD" ><I >y</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >The X/Y coordinates of the mouse at press/release time</TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3792" ></A ><H2 >Description</H2 ><P ><SPAN CLASS="STRUCTNAME" >SDL_MouseButtonEvent</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_MOUSEBUTTONDOWN</TT > or <TT CLASS="LITERAL" >SDL_MOUSEBUTTONUP</TT > is reported.</P ><P >When a mouse button press or release is detected then number of the button pressed (from 1 to 255, with 1 usually being the left button and 2 the right) is placed into <TT CLASS="STRUCTFIELD" ><I >button</I ></TT >, the position of the mouse when this event occured is stored in the <TT CLASS="STRUCTFIELD" ><I >x</I ></TT > and the <TT CLASS="STRUCTFIELD" ><I >y</I ></TT > fields. Like <A HREF="sdlkeyboardevent.html" ><SPAN CLASS="STRUCTNAME" >SDL_KeyboardEvent</SPAN ></A >, information on whether the event was a press or a release event is stored in both the <TT CLASS="STRUCTFIELD" ><I >type</I ></TT > and <TT CLASS="STRUCTFIELD" ><I >state</I ></TT > fields, but this should be obvious.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3808" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlevent.html" ><SPAN CLASS="STRUCTNAME" >SDL_Event</SPAN ></A >, <A HREF="sdlmousemotionevent.html" ><SPAN CLASS="STRUCTNAME" >SDL_MouseMotionEvent</SPAN ></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="sdlmousemotionevent.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="sdljoyaxisevent.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_MouseMotionEvent</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="eventstructures.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_JoyAxisEvent</TD ></TR ></TABLE ></DIV ></BODY ></HTML >