forked from KolibriOS/kolibrios
357 lines
4.7 KiB
HTML
357 lines
4.7 KiB
HTML
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<HTML
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><HEAD
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><TITLE
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>SDL_MouseMotionEvent</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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HREF="index.html"><LINK
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REL="UP"
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TITLE="SDL Event Structures."
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HREF="eventstructures.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_KeyboardEvent"
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HREF="sdlkeyboardevent.html"><LINK
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REL="NEXT"
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TITLE="SDL_MouseButtonEvent"
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HREF="sdlmousebuttonevent.html"></HEAD
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><BODY
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CLASS="REFENTRY"
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BGCOLOR="#FFF8DC"
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TEXT="#000000"
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LINK="#0000ee"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="sdlkeyboardevent.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="sdlmousebuttonevent.html"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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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="SDLMOUSEMOTIONEVENT"
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>SDL_MouseMotionEvent</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="AEN3646"
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></A
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><H2
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>Name</H2
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>SDL_MouseMotionEvent -- Mouse motion event structure</DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3649"
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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 state;
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Uint16 x, y;
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Sint16 xrel, yrel;
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} SDL_MouseMotionEvent;</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="AEN3652"
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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="AEN3654"
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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_MOUSEMOTION</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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>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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>The current button state</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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>x</I
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></TT
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>, <TT
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CLASS="STRUCTFIELD"
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><I
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>y</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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>The X/Y coordinates of the mouse</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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>xrel</I
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></TT
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>, <TT
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CLASS="STRUCTFIELD"
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><I
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>yrel</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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>Relative motion in the X/Y direction</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="AEN3676"
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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_MouseMotionEvent</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_MOUSEMOTION</TT
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> is reported.</P
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><P
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>Simply put, a <TT
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CLASS="LITERAL"
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>SDL_MOUSEMOTION</TT
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> type event occurs when a user moves the mouse within the application window or when <A
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HREF="sdlwarpmouse.html"
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><TT
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CLASS="FUNCTION"
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>SDL_WarpMouse</TT
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></A
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> is called. Both the absolute (<TT
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CLASS="STRUCTFIELD"
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><I
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>x</I
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></TT
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> and <TT
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CLASS="STRUCTFIELD"
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><I
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>y</I
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></TT
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>) and relative (<TT
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CLASS="STRUCTFIELD"
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><I
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>xrel</I
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></TT
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> and <TT
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CLASS="STRUCTFIELD"
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><I
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>yrel</I
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></TT
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>) coordinates are reported along with the current button states (<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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>). The button state can be interpreted using the <TT
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CLASS="LITERAL"
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>SDL_BUTTON</TT
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> macro (see <A
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HREF="sdlgetmousestate.html"
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><TT
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CLASS="FUNCTION"
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>SDL_GetMouseState</TT
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></A
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>).</P
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><P
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>If the cursor is hidden (<A
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HREF="sdlshowcursor.html"
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><TT
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CLASS="FUNCTION"
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>SDL_ShowCursor</TT
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>(0)</A
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>) and the input is grabbed (<A
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HREF="sdlwmgrabinput.html"
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><TT
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CLASS="FUNCTION"
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>SDL_WM_GrabInput</TT
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>(SDL_GRAB_ON)</A
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>), then the mouse will give relative motion events even when the cursor reaches the edge fo the screen. This is currently only implemented on Windows and Linux/Unix-a-likes.</P
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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="AEN3700"
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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="sdlmousebuttonevent.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_MouseButtonEvent</SPAN
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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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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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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="sdlkeyboardevent.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="sdlmousebuttonevent.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_KeyboardEvent</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_MouseButtonEvent</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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>
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