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Date: Fri, 13 Feb 2004 17:03:16 +0100
From: Max Horn
Subject: Modifier key fix
The internal modifier state can get out of sync with reality. To
trigger this, do for example this:
1) Launch an SDL app
2) Alt-click on the desktop (this will hide the SDL app).
3) Bring the SDL app back to the front
4) SDL will still think alt is pressed (and as such will treat left
clicks like middle clicks). If you press and release alt, it'll be fine
again.
The attached patch cures this by rechecking the modifier state whenever
we process an event.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Fri, 13 Feb 2004 17:57:16 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL Event Structures.</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="Events" HREF="event.html"><LINK REL="PREVIOUS" TITLE="Events" HREF="event.html"><LINK REL="NEXT" TITLE="SDL_Event" HREF="sdlevent.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation 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="event.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 8. Events</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlevent.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="EVENTSTRUCTURES" ></A >SDL Event Structures.</H1 ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT ><A HREF="sdlevent.html" >SDL_Event</A > -- General event structure</DT ><DT ><A HREF="sdlactiveevent.html" >SDL_ActiveEvent</A > -- Application visibility event structure</DT ><DT ><A HREF="sdlkeyboardevent.html" >SDL_KeyboardEvent</A > -- Keyboard event structure</DT ><DT ><A HREF="sdlmousemotionevent.html" >SDL_MouseMotionEvent</A > -- Mouse motion event structure</DT ><DT ><A HREF="sdlmousebuttonevent.html" >SDL_MouseButtonEvent</A > -- Mouse button event structure</DT ><DT ><A HREF="sdljoyaxisevent.html" >SDL_JoyAxisEvent</A > -- Joystick axis motion event structure</DT ><DT ><A HREF="sdljoybuttonevent.html" >SDL_JoyButtonEvent</A > -- Joystick button event structure</DT ><DT ><A HREF="sdljoyhatevent.html" >SDL_JoyHatEvent</A > -- Joystick hat position change event structure</DT ><DT ><A HREF="sdljoyballevent.html" >SDL_JoyBallEvent</A > -- Joystick trackball motion event structure</DT ><DT ><A HREF="sdlresizeevent.html" >SDL_ResizeEvent</A > -- Window resize event structure</DT ><DT ><A HREF="sdlexposeevent.html" >SDL_ExposeEvent</A > -- Quit requested event</DT ><DT ><A HREF="sdlsyswmevent.html" >SDL_SysWMEvent</A > -- Platform-dependent window manager event.</DT ><DT ><A HREF="sdluserevent.html" >SDL_UserEvent</A > -- A user-defined event type</DT ><DT ><A HREF="sdlquitevent.html" >SDL_QuitEvent</A > -- Quit requested event</DT ><DT ><A HREF="sdlkeysym.html" >SDL_keysym</A > -- Keysym structure</DT ><DT ><A HREF="sdlkey.html" >SDLKey</A > -- Keysym definitions.</DT ></DL ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="event.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdlevent.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Events</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="event.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_Event</TD ></TR ></TABLE ></DIV ></BODY ></HTML >