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Actually, this is a better fix...clear the error state once if everything we need loaded; it's more efficient, and works even if the last unnecessary xrandr symbol failed to load. Otherwise, leave the original loadso error, so the end user can find out what symbol failed.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 13 Jun 2007 08:00:10 +0000
parents 355632dca928
children
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<HTML
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><TITLE
>Event Functions.</TITLE
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>Chapter 8. Events</TD
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><H1
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><A
NAME="EVENTFUNCTIONS"
></A
>Event Functions.</H1
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
><A
HREF="sdlpumpevents.html"
>SDL_PumpEvents</A
>&nbsp;--&nbsp;Pumps the event loop, gathering events from the input devices.</DT
><DT
><A
HREF="sdlpeepevents.html"
>SDL_PeepEvents</A
>&nbsp;--&nbsp;Checks the event queue for messages and optionally returns them.</DT
><DT
><A
HREF="sdlpollevent.html"
>SDL_PollEvent</A
>&nbsp;--&nbsp;Polls for currently pending events.</DT
><DT
><A
HREF="sdlwaitevent.html"
>SDL_WaitEvent</A
>&nbsp;--&nbsp;Waits indefinitely for the next available event.</DT
><DT
><A
HREF="sdlpushevent.html"
>SDL_PushEvent</A
>&nbsp;--&nbsp;Pushes an event onto the event queue</DT
><DT
><A
HREF="sdlseteventfilter.html"
>SDL_SetEventFilter</A
>&nbsp;--&nbsp;Sets up a filter to process all events before they are posted 
to the event queue.</DT
><DT
><A
HREF="sdlgeteventfilter.html"
>SDL_GetEventFilter</A
>&nbsp;--&nbsp;Retrieves a pointer to he event filter</DT
><DT
><A
HREF="sdleventstate.html"
>SDL_EventState</A
>&nbsp;--&nbsp;This function allows you to set the state of processing certain events.</DT
><DT
><A
HREF="sdlgetkeystate.html"
>SDL_GetKeyState</A
>&nbsp;--&nbsp;Get a snapshot of the current keyboard state</DT
><DT
><A
HREF="sdlgetmodstate.html"
>SDL_GetModState</A
>&nbsp;--&nbsp;Get the state of modifier keys.</DT
><DT
><A
HREF="sdlsetmodstate.html"
>SDL_SetModState</A
>&nbsp;--&nbsp;Set the current key modifier state</DT
><DT
><A
HREF="sdlgetkeyname.html"
>SDL_GetKeyName</A
>&nbsp;--&nbsp;Get the name of an SDL virtual keysym</DT
><DT
><A
HREF="sdlenableunicode.html"
>SDL_EnableUNICODE</A
>&nbsp;--&nbsp;Enable UNICODE translation</DT
><DT
><A
HREF="sdlenablekeyrepeat.html"
>SDL_EnableKeyRepeat</A
>&nbsp;--&nbsp;Set keyboard repeat rate.</DT
><DT
><A
HREF="sdlgetmousestate.html"
>SDL_GetMouseState</A
>&nbsp;--&nbsp;Retrieve the current state of the mouse</DT
><DT
><A
HREF="sdlgetrelativemousestate.html"
>SDL_GetRelativeMouseState</A
>&nbsp;--&nbsp;Retrieve the current state of the mouse</DT
><DT
><A
HREF="sdlgetappstate.html"
>SDL_GetAppState</A
>&nbsp;--&nbsp;Get the state of the application</DT
><DT
><A
HREF="sdljoystickeventstate.html"
>SDL_JoystickEventState</A
>&nbsp;--&nbsp;Enable/disable joystick event polling</DT
></DL
></DIV
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN5312"
></A
><P
></P
><TABLE
BORDER="0"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlpumpevents.html"
>SDL_PumpEvents</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Pumps the event loop, gathering events from the input devices</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlpeepevents.html"
>SDL_PeepEvents</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Checks the event queue for messages and optionally returns them</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlpollevent.html"
>SDL_PollEvent</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Polls for currently pending events</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlwaitevent.html"
>SDL_WaitEvent</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Waits indefinitely for the next available event</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlpushevent.html"
>SDL_PushEvent</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Pushes an event onto the event queue</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlseteventfilter.html"
>SDL_SetEventFilter</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Sets up a filter to process all events</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdleventstate.html"
>SDL_EventState</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Allows you to set the state of processing certain events</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlgetkeystate.html"
>SDL_GetKeyState</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Get a snapshot of the current keyboard state</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlgetmodstate.html"
>SDL_GetModState</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Get the state of modifier keys</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlsetmodstate.html"
>SDL_SetModState</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Set the state of modifier keys</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlgetkeyname.html"
>SDL_GetKeyName</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Get the name of an SDL virtual keysym</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlenableunicode.html"
>SDL_EnableUNICODE</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Enable UNICODE translation</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlenablekeyrepeat.html"
>SDL_EnableKeyRepeat</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Set keyboard repeat rate</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlgetmousestate.html"
>SDL_GetMouseState</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Retrieve the current state of the mouse</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlgetrelativemousestate.html"
>SDL_GetRelativeMouseState</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Retrieve the current state of the mouse</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdlgetappstate.html"
>SDL_GetAppState</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Get the state of the application</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
HREF="sdljoystickeventstate.html"
>SDL_JoystickEventState</A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Enable/disable joystick event polling</TD
></TR
></TBODY
></TABLE
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></P
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