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Date: Thu, 17 Jun 2004 11:38:51 -0700 (PDT) From: Eric Wing <ewing2121@yahoo.com> Subject: New OS X patch (was Re: [SDL] Bug with inverted mouse coordinates in I have a new patch for OS X I would like to submit. First, it appears no further action has been taken on my fix from Apple on the OpenGL windowed mode mouse inversion problem. The fix would reunify the code, and no longer require case checking for which version of the OS you are running. This is probably a good fix because the behavior with the old code could change again with future versions of the OS, so those fixes are included in this new patch. But in addition, when I was at Apple, I asked them about the ability to distinguish between the modifier keys on the left and right sides of the keyboard (e.g. Left Shift, Right Shift, Left/Right Alt, L/R Cmd, L/R Ctrl). They told me that starting with Panther, the OS began supporting this feature. This has always been a source of annoyance for me when bringing a program that comes from Windows or Linux to OS X when the keybindings happened to need distinguishable left-side and right-side keys. So the rest of the patch I am submitting contains new code to support this feature on Panther (and presumably later versions of the OS). So after removing the OS version checks for the mouse inversion problem, I reused the OS version checks to activate the Left/Right detection of modifier keys. If you are running Panther (or above), the new code will attempt to distinguish between sides. For the older OS's, the code path reverts to the original code. I've tested with Panther on a G4 Cube, G5 dual processor, and Powerbook Rev C. The Cube and G5 keyboards demonstrated the ability to distinguish between sides. The Powerbook seems to only have left-side keys, but the patch was still able to handle it by producing the same results as before the patch. I also wanted to test a non-Apple keyboard. Unfortunately, I don't have any PC USB keyboards. However, I was able to borrow a Sun Microsystems USB keyboard, so I tried that out on the G5, and I got the correct behavior for left and right sides. I'm expecting that if it worked with a Sun keyboard, most other keyboards should work with no problems.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 20 Aug 2004 22:35:23 +0000
parents 355632dca928
children
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<HTML
><HEAD
><TITLE
></TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="NEXT"
TITLE="SDL Guide"
HREF="guide.html"></HEAD
><BODY
CLASS="BOOK"
BGCOLOR="#FFF8DC"
TEXT="#000000"
LINK="#0000ee"
VLINK="#551a8b"
ALINK="#ff0000"
><DIV
CLASS="BOOK"
><A
NAME="AEN1"
></A
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
>I. <A
HREF="guide.html"
>SDL Guide</A
></DT
><DD
><DL
><DT
><A
HREF="guidepreface.html"
>Preface</A
></DT
><DD
><DL
><DT
><A
HREF="guidepreface.html#GUIDEABOUTSDL"
>About SDL</A
></DT
><DT
><A
HREF="guideaboutsdldoc.html"
>About SDLdoc</A
></DT
><DT
><A
HREF="guidecredits.html"
>Credits</A
></DT
></DL
></DD
><DT
>1. <A
HREF="guidethebasics.html"
>The Basics</A
></DT
><DD
><DL
><DT
><A
HREF="guidethebasics.html#GUIDEINTRODUCTION"
>Introduction</A
></DT
><DT
><A
HREF="guidebasicsinit.html"
>Initializing SDL</A
></DT
></DL
></DD
><DT
>2. <A
HREF="guidevideo.html"
>Graphics and Video</A
></DT
><DD
><DL
><DT
><A
HREF="guidevideo.html#GUIDEVIDEOINTRO"
>Introduction to SDL Video</A
></DT
><DT
><A
HREF="guidevideoopengl.html"
>Using OpenGL With SDL</A
></DT
></DL
></DD
><DT
>3. <A
HREF="guideinput.html"
>Input handling</A
></DT
><DD
><DL
><DT
><A
HREF="guideinput.html#GUIDEINPUTJOYSTICK"
>Handling Joysticks</A
></DT
><DT
><A
HREF="guideinputkeyboard.html"
>Handling the Keyboard</A
></DT
></DL
></DD
><DT
>4. <A
HREF="guideexamples.html"
>Examples</A
></DT
><DD
><DL
><DT
><A
HREF="guideexamples.html#AEN369"
>Introduction</A
></DT
><DT
><A
HREF="guideeventexamples.html"
>Event Examples</A
></DT
><DT
><A
HREF="guideaudioexamples.html"
>Audio Examples</A
></DT
><DT
><A
HREF="guidecdromexamples.html"
>CDROM Examples</A
></DT
><DT
><A
HREF="guidetimeexamples.html"
>Time Examples</A
></DT
></DL
></DD
></DL
></DD
><DT
>II. <A
HREF="reference.html"
>SDL Reference</A
></DT
><DD
><DL
><DT
>5. <A
HREF="general.html"
>General</A
></DT
><DD
><DL
><DT
><A
HREF="sdlinit.html"
>SDL_Init</A
>&nbsp;--&nbsp;Initializes SDL</DT
><DT
><A
HREF="sdlinitsubsystem.html"
>SDL_InitSubSystem</A
>&nbsp;--&nbsp;Initialize subsystems</DT
><DT
><A
HREF="sdlquitsubsystem.html"
>SDL_QuitSubSystem</A
>&nbsp;--&nbsp;Shut down a subsystem</DT
><DT
><A
HREF="sdlquit.html"
>SDL_Quit</A
>&nbsp;--&nbsp;Shut down SDL</DT
><DT
><A
HREF="sdlwasinit.html"
>SDL_WasInit</A
>&nbsp;--&nbsp;Check which subsystems are initialized</DT
><DT
><A
HREF="sdlgeterror.html"
>SDL_GetError</A
>&nbsp;--&nbsp;Get SDL error string</DT
><DT
><A
HREF="sdlenvvars.html"
>SDL_envvars</A
>&nbsp;--&nbsp;SDL environment variables</DT
></DL
></DD
><DT
>6. <A
HREF="video.html"
>Video</A
></DT
><DD
><DL
><DT
><A
HREF="sdlgetvideosurface.html"
>SDL_GetVideoSurface</A
>&nbsp;--&nbsp;returns a pointer to the current display surface</DT
><DT
><A
HREF="sdlgetvideoinfo.html"
>SDL_GetVideoInfo</A
>&nbsp;--&nbsp;returns a pointer to information about the video hardware</DT
><DT
><A
HREF="sdlvideodrivername.html"
>SDL_VideoDriverName</A
>&nbsp;--&nbsp;Obtain the name of the video driver</DT
><DT
><A
HREF="sdllistmodes.html"
>SDL_ListModes</A
>&nbsp;--&nbsp;Returns a pointer to an array of available screen dimensions for 
the given format and video flags</DT
><DT
><A
HREF="sdlvideomodeok.html"
>SDL_VideoModeOK</A
>&nbsp;--&nbsp;Check to see if a particular video mode is supported.</DT
><DT
><A
HREF="sdlsetvideomode.html"
>SDL_SetVideoMode</A
>&nbsp;--&nbsp;Set up a video mode with the specified width, height and bits-per-pixel.</DT
><DT
><A
HREF="sdlupdaterect.html"
>SDL_UpdateRect</A
>&nbsp;--&nbsp;Makes sure the given area is updated on the given screen.</DT
><DT
><A
HREF="sdlupdaterects.html"
>SDL_UpdateRects</A
>&nbsp;--&nbsp;Makes sure the given list of rectangles is updated on the given screen.</DT
><DT
><A
HREF="sdlflip.html"
>SDL_Flip</A
>&nbsp;--&nbsp;Swaps screen buffers</DT
><DT
><A
HREF="sdlsetcolors.html"
>SDL_SetColors</A
>&nbsp;--&nbsp;Sets a portion of the colormap for the given 8-bit surface.</DT
><DT
><A
HREF="sdlsetpalette.html"
>SDL_SetPalette</A
>&nbsp;--&nbsp;Sets the colors in the palette of an 8-bit surface.</DT
><DT
><A
HREF="sdlsetgamma.html"
>SDL_SetGamma</A
>&nbsp;--&nbsp;Sets the color gamma function for the display</DT
><DT
><A
HREF="sdlgetgammaramp.html"
>SDL_GetGammaRamp</A
>&nbsp;--&nbsp;Gets the color gamma lookup tables for the display</DT
><DT
><A
HREF="sdlsetgammaramp.html"
>SDL_SetGammaRamp</A
>&nbsp;--&nbsp;Sets the color gamma lookup tables for the display</DT
><DT
><A
HREF="sdlmaprgb.html"
>SDL_MapRGB</A
>&nbsp;--&nbsp;Map a RGB color value to a pixel format.</DT
><DT
><A
HREF="sdlmaprgba.html"
>SDL_MapRGBA</A
>&nbsp;--&nbsp;Map a RGBA color value to a pixel format.</DT
><DT
><A
HREF="sdlgetrgb.html"
>SDL_GetRGB</A
>&nbsp;--&nbsp;Get RGB values from a pixel in the specified pixel format.</DT
><DT
><A
HREF="sdlgetrgba.html"
>SDL_GetRGBA</A
>&nbsp;--&nbsp;Get RGBA values from a pixel in the specified pixel format.</DT
><DT
><A
HREF="sdlcreatergbsurface.html"
>SDL_CreateRGBSurface</A
>&nbsp;--&nbsp;Create an empty SDL_Surface</DT
><DT
><A
HREF="sdlcreatergbsurfacefrom.html"
>SDL_CreateRGBSurfaceFrom</A
>&nbsp;--&nbsp;Create an SDL_Surface from pixel data</DT
><DT
><A
HREF="sdlfreesurface.html"
>SDL_FreeSurface</A
>&nbsp;--&nbsp;Frees (deletes) a SDL_Surface</DT
><DT
><A
HREF="sdllocksurface.html"
>SDL_LockSurface</A
>&nbsp;--&nbsp;Lock a surface for directly access.</DT
><DT
><A
HREF="sdlunlocksurface.html"
>SDL_UnlockSurface</A
>&nbsp;--&nbsp;Unlocks a previously locked surface.</DT
><DT
><A
HREF="sdlloadbmp.html"
>SDL_LoadBMP</A
>&nbsp;--&nbsp;Load a Windows BMP file into an SDL_Surface.</DT
><DT
><A
HREF="sdlsavebmp.html"
>SDL_SaveBMP</A
>&nbsp;--&nbsp;Save an SDL_Surface as a Windows BMP file.</DT
><DT
><A
HREF="sdlsetcolorkey.html"
>SDL_SetColorKey</A
>&nbsp;--&nbsp;Sets the color key (transparent pixel) in a blittable surface and
RLE acceleration.</DT
><DT
><A
HREF="sdlsetalpha.html"
>SDL_SetAlpha</A
>&nbsp;--&nbsp;Adjust the alpha properties of a surface</DT
><DT
><A
HREF="sdlsetcliprect.html"
>SDL_SetClipRect</A
>&nbsp;--&nbsp;Sets the clipping rectangle for a surface.</DT
><DT
><A
HREF="sdlgetcliprect.html"
>SDL_GetClipRect</A
>&nbsp;--&nbsp;Gets the clipping rectangle for a surface.</DT
><DT
><A
HREF="sdlconvertsurface.html"
>SDL_ConvertSurface</A
>&nbsp;--&nbsp;Converts a surface to the same format as another surface.</DT
><DT
><A
HREF="sdlblitsurface.html"
>SDL_BlitSurface</A
>&nbsp;--&nbsp;This performs a fast blit from the source surface to the destination surface.</DT
><DT
><A
HREF="sdlfillrect.html"
>SDL_FillRect</A
>&nbsp;--&nbsp;This function performs a fast fill of the given rectangle with some color</DT
><DT
><A
HREF="sdldisplayformat.html"
>SDL_DisplayFormat</A
>&nbsp;--&nbsp;Convert a surface to the display format</DT
><DT
><A
HREF="sdldisplayformatalpha.html"
>SDL_DisplayFormatAlpha</A
>&nbsp;--&nbsp;Convert a surface to the display format</DT
><DT
><A
HREF="sdlwarpmouse.html"
>SDL_WarpMouse</A
>&nbsp;--&nbsp;Set the position of the mouse cursor.</DT
><DT
><A
HREF="sdlcreatecursor.html"
>SDL_CreateCursor</A
>&nbsp;--&nbsp;Creates a new mouse cursor.</DT
><DT
><A
HREF="sdlfreecursor.html"
>SDL_FreeCursor</A
>&nbsp;--&nbsp;Frees a cursor created with SDL_CreateCursor.</DT
><DT
><A
HREF="sdlsetcursor.html"
>SDL_SetCursor</A
>&nbsp;--&nbsp;Set the currently active mouse cursor.</DT
><DT
><A
HREF="sdlgetcursor.html"
>SDL_GetCursor</A
>&nbsp;--&nbsp;Get the currently active mouse cursor.</DT
><DT
><A
HREF="sdlshowcursor.html"
>SDL_ShowCursor</A
>&nbsp;--&nbsp;Toggle whether or not the cursor is shown on the screen.</DT
><DT
><A
HREF="sdlglloadlibrary.html"
>SDL_GL_LoadLibrary</A
>&nbsp;--&nbsp;Specify an OpenGL library</DT
><DT
><A
HREF="sdlglgetprocaddress.html"
>SDL_GL_GetProcAddress</A
>&nbsp;--&nbsp;Get the address of a GL function</DT
><DT
><A
HREF="sdlglgetattribute.html"
>SDL_GL_GetAttribute</A
>&nbsp;--&nbsp;Get the value of a special SDL/OpenGL attribute</DT
><DT
><A
HREF="sdlglsetattribute.html"
>SDL_GL_SetAttribute</A
>&nbsp;--&nbsp;Set a special SDL/OpenGL attribute</DT
><DT
><A
HREF="sdlglswapbuffers.html"
>SDL_GL_SwapBuffers</A
>&nbsp;--&nbsp;Swap OpenGL framebuffers/Update Display</DT
><DT
><A
HREF="sdlcreateyuvoverlay.html"
>SDL_CreateYUVOverlay</A
>&nbsp;--&nbsp;Create a YUV video overlay</DT
><DT
><A
HREF="sdllockyuvoverlay.html"
>SDL_LockYUVOverlay</A
>&nbsp;--&nbsp;Lock an overlay</DT
><DT
><A
HREF="sdlunlockyuvoverlay.html"
>SDL_UnlockYUVOverlay</A
>&nbsp;--&nbsp;Unlock an overlay</DT
><DT
><A
HREF="sdldisplayyuvoverlay.html"
>SDL_DisplayYUVOverlay</A
>&nbsp;--&nbsp;Blit the overlay to the display</DT
><DT
><A
HREF="sdlfreeyuvoverlay.html"
>SDL_FreeYUVOverlay</A
>&nbsp;--&nbsp;Free a YUV video overlay</DT
><DT
><A
HREF="sdlglattr.html"
>SDL_GLattr</A
>&nbsp;--&nbsp;SDL GL Attributes</DT
><DT
><A
HREF="sdlrect.html"
>SDL_Rect</A
>&nbsp;--&nbsp;Defines a rectangular area</DT
><DT
><A
HREF="sdlcolor.html"
>SDL_Color</A
>&nbsp;--&nbsp;Format independent color description</DT
><DT
><A
HREF="sdlpalette.html"
>SDL_Palette</A
>&nbsp;--&nbsp;Color palette for 8-bit pixel formats</DT
><DT
><A
HREF="sdlpixelformat.html"
>SDL_PixelFormat</A
>&nbsp;--&nbsp;Stores surface format information</DT
><DT
><A
HREF="sdlsurface.html"
>SDL_Surface</A
>&nbsp;--&nbsp;Graphical Surface Structure</DT
><DT
><A
HREF="sdlvideoinfo.html"
>SDL_VideoInfo</A
>&nbsp;--&nbsp;Video Target information</DT
><DT
><A
HREF="sdloverlay.html"
>SDL_Overlay</A
>&nbsp;--&nbsp;YUV video overlay</DT
></DL
></DD
><DT
>7. <A
HREF="wm.html"
>Window Management</A
></DT
><DD
><DL
><DT
><A
HREF="sdlwmsetcaption.html"
>SDL_WM_SetCaption</A
>&nbsp;--&nbsp;Sets the window tile and icon name.</DT
><DT
><A
HREF="sdlwmgetcaption.html"
>SDL_WM_GetCaption</A
>&nbsp;--&nbsp;Gets the window title and icon name.</DT
><DT
><A
HREF="sdlwmseticon.html"
>SDL_WM_SetIcon</A
>&nbsp;--&nbsp;Sets the icon for the display window.</DT
><DT
><A
HREF="sdlwmiconifywindow.html"
>SDL_WM_IconifyWindow</A
>&nbsp;--&nbsp;Iconify/Minimise the window</DT
><DT
><A
HREF="sdlwmtogglefullscreen.html"
>SDL_WM_ToggleFullScreen</A
>&nbsp;--&nbsp;Toggles fullscreen mode</DT
><DT
><A
HREF="sdlwmgrabinput.html"
>SDL_WM_GrabInput</A
>&nbsp;--&nbsp;Grabs mouse and keyboard input.</DT
></DL
></DD
><DT
>8. <A
HREF="event.html"
>Events</A
></DT
><DD
><DL
><DT
><A
HREF="event.html#AEN3691"
>Introduction</A
></DT
><DT
><A
HREF="eventstructures.html"
>SDL Event Structures.</A
></DT
><DT
><A
HREF="eventfunctions.html"
>Event Functions.</A
></DT
></DL
></DD
><DT
>9. <A
HREF="joystick.html"
>Joystick</A
></DT
><DD
><DL
><DT
><A
HREF="sdlnumjoysticks.html"
>SDL_NumJoysticks</A
>&nbsp;--&nbsp;Count available joysticks.</DT
><DT
><A
HREF="sdljoystickname.html"
>SDL_JoystickName</A
>&nbsp;--&nbsp;Get joystick name.</DT
><DT
><A
HREF="sdljoystickopen.html"
>SDL_JoystickOpen</A
>&nbsp;--&nbsp;Opens a joystick for use.</DT
><DT
><A
HREF="sdljoystickopened.html"
>SDL_JoystickOpened</A
>&nbsp;--&nbsp;Determine if a joystick has been opened</DT
><DT
><A
HREF="sdljoystickindex.html"
>SDL_JoystickIndex</A
>&nbsp;--&nbsp;Get the index of an SDL_Joystick.</DT
><DT
><A
HREF="sdljoysticknumaxes.html"
>SDL_JoystickNumAxes</A
>&nbsp;--&nbsp;Get the number of joystick axes</DT
><DT
><A
HREF="sdljoysticknumballs.html"
>SDL_JoystickNumBalls</A
>&nbsp;--&nbsp;Get the number of joystick trackballs</DT
><DT
><A
HREF="sdljoysticknumhats.html"
>SDL_JoystickNumHats</A
>&nbsp;--&nbsp;Get the number of joystick hats</DT
><DT
><A
HREF="sdljoysticknumbuttons.html"
>SDL_JoystickNumButtons</A
>&nbsp;--&nbsp;Get the number of joysitck buttons</DT
><DT
><A
HREF="sdljoystickupdate.html"
>SDL_JoystickUpdate</A
>&nbsp;--&nbsp;Updates the state of all joysticks</DT
><DT
><A
HREF="sdljoystickgetaxis.html"
>SDL_JoystickGetAxis</A
>&nbsp;--&nbsp;Get the current state of an axis</DT
><DT
><A
HREF="sdljoystickgethat.html"
>SDL_JoystickGetHat</A
>&nbsp;--&nbsp;Get the current state of a joystick hat</DT
><DT
><A
HREF="sdljoystickgetbutton.html"
>SDL_JoystickGetButton</A
>&nbsp;--&nbsp;Get the current state of a given button on a given joystick</DT
><DT
><A
HREF="sdljoystickgetball.html"
>SDL_JoystickGetBall</A
>&nbsp;--&nbsp;Get relative trackball motion</DT
><DT
><A
HREF="sdljoystickclose.html"
>SDL_JoystickClose</A
>&nbsp;--&nbsp;Closes a previously opened joystick</DT
></DL
></DD
><DT
>10. <A
HREF="audio.html"
>Audio</A
></DT
><DD
><DL
><DT
><A
HREF="sdlaudiospec.html"
>SDL_AudioSpec</A
>&nbsp;--&nbsp;Audio Specification Structure</DT
><DT
><A
HREF="sdlopenaudio.html"
>SDL_OpenAudio</A
>&nbsp;--&nbsp;Opens the audio device with the desired parameters.</DT
><DT
><A
HREF="sdlpauseaudio.html"
>SDL_PauseAudio</A
>&nbsp;--&nbsp;Pauses and unpauses the audio callback processing</DT
><DT
><A
HREF="sdlgetaudiostatus.html"
>SDL_GetAudioStatus</A
>&nbsp;--&nbsp;Get the current audio state</DT
><DT
><A
HREF="sdlloadwav.html"
>SDL_LoadWAV</A
>&nbsp;--&nbsp;Load a WAVE file</DT
><DT
><A
HREF="sdlfreewav.html"
>SDL_FreeWAV</A
>&nbsp;--&nbsp;Frees previously opened WAV data</DT
><DT
><A
HREF="sdlaudiocvt.html"
>SDL_AudioCVT</A
>&nbsp;--&nbsp;Audio Conversion Structure</DT
><DT
><A
HREF="sdlbuildaudiocvt.html"
>SDL_BuildAudioCVT</A
>&nbsp;--&nbsp;Initializes a SDL_AudioCVT structure for conversion</DT
><DT
><A
HREF="sdlconvertaudio.html"
>SDL_ConvertAudio</A
>&nbsp;--&nbsp;Convert audio data to a desired audio format.</DT
><DT
><A
HREF="sdlmixaudio.html"
>SDL_MixAudio</A
>&nbsp;--&nbsp;Mix audio data</DT
><DT
><A
HREF="sdllockaudio.html"
>SDL_LockAudio</A
>&nbsp;--&nbsp;Lock out the callback function</DT
><DT
><A
HREF="sdlunlockaudio.html"
>SDL_UnlockAudio</A
>&nbsp;--&nbsp;Unlock the callback function</DT
><DT
><A
HREF="sdlcloseaudio.html"
>SDL_CloseAudio</A
>&nbsp;--&nbsp;Shuts down audio processing and closes the audio device.</DT
></DL
></DD
><DT
>11. <A
HREF="cdrom.html"
>CD-ROM</A
></DT
><DD
><DL
><DT
><A
HREF="sdlcdnumdrives.html"
>SDL_CDNumDrives</A
>&nbsp;--&nbsp;Returns the number of CD-ROM drives on the system.</DT
><DT
><A
HREF="sdlcdname.html"
>SDL_CDName</A
>&nbsp;--&nbsp;Returns a human-readable, system-dependent identifier for the CD-ROM.</DT
><DT
><A
HREF="sdlcdopen.html"
>SDL_CDOpen</A
>&nbsp;--&nbsp;Opens a CD-ROM drive for access.</DT
><DT
><A
HREF="sdlcdstatus.html"
>SDL_CDStatus</A
>&nbsp;--&nbsp;Returns the current status of the given drive.</DT
><DT
><A
HREF="sdlcdplay.html"
>SDL_CDPlay</A
>&nbsp;--&nbsp;Play a CD</DT
><DT
><A
HREF="sdlcdplaytracks.html"
>SDL_CDPlayTracks</A
>&nbsp;--&nbsp;Play the given CD track(s)</DT
><DT
><A
HREF="sdlcdpause.html"
>SDL_CDPause</A
>&nbsp;--&nbsp;Pauses a CDROM</DT
><DT
><A
HREF="sdlcdresume.html"
>SDL_CDResume</A
>&nbsp;--&nbsp;Resumes a CDROM</DT
><DT
><A
HREF="sdlcdstop.html"
>SDL_CDStop</A
>&nbsp;--&nbsp;Stops a CDROM</DT
><DT
><A
HREF="sdlcdeject.html"
>SDL_CDEject</A
>&nbsp;--&nbsp;Ejects a CDROM</DT
><DT
><A
HREF="sdlcdclose.html"
>SDL_CDClose</A
>&nbsp;--&nbsp;Closes a SDL_CD handle</DT
><DT
><A
HREF="sdlcd.html"
>SDL_CD</A
>&nbsp;--&nbsp;CDROM Drive Information</DT
><DT
><A
HREF="sdlcdtrack.html"
>SDL_CDtrack</A
>&nbsp;--&nbsp;CD Track Information Structure</DT
></DL
></DD
><DT
>12. <A
HREF="thread.html"
>Multi-threaded Programming</A
></DT
><DD
><DL
><DT
><A
HREF="sdlcreatethread.html"
>SDL_CreateThread</A
>&nbsp;--&nbsp;Creates a new thread of execution that shares its parent's properties.</DT
><DT
><A
HREF="sdlthreadid.html"
>SDL_ThreadID</A
>&nbsp;--&nbsp;Get the 32-bit thread identifier for the current thread.</DT
><DT
><A
HREF="sdlgetthreadid.html"
>SDL_GetThreadID</A
>&nbsp;--&nbsp;Get the SDL thread ID of a SDL_Thread</DT
><DT
><A
HREF="sdlwaitthread.html"
>SDL_WaitThread</A
>&nbsp;--&nbsp;Wait for a thread to finish.</DT
><DT
><A
HREF="sdlkillthread.html"
>SDL_KillThread</A
>&nbsp;--&nbsp;Gracelessly terminates the thread.</DT
><DT
><A
HREF="sdlcreatemutex.html"
>SDL_CreateMutex</A
>&nbsp;--&nbsp;Create a mutex</DT
><DT
><A
HREF="sdldestroymutex.html"
>SDL_DestroyMutex</A
>&nbsp;--&nbsp;Destroy a mutex</DT
><DT
><A
HREF="sdlmutexp.html"
>SDL_mutexP</A
>&nbsp;--&nbsp;Lock a mutex</DT
><DT
><A
HREF="sdlmutexv.html"
>SDL_mutexV</A
>&nbsp;--&nbsp;Unlock a mutex</DT
><DT
><A
HREF="sdlcreatesemaphore.html"
>SDL_CreateSemaphore</A
>&nbsp;--&nbsp;Creates a new semaphore and assigns an initial value to it.</DT
><DT
><A
HREF="sdldestroysemaphore.html"
>SDL_DestroySemaphore</A
>&nbsp;--&nbsp;Destroys a semaphore that was created by <A
HREF="sdlcreatesemaphore.html"
>SDL_CreateSemaphore</A
>.</DT
><DT
><A
HREF="sdlsemwait.html"
>SDL_SemWait</A
>&nbsp;--&nbsp;Lock a semaphore and suspend the thread if the semaphore value is zero.</DT
><DT
><A
HREF="sdlsemtrywait.html"
>SDL_SemTryWait</A
>&nbsp;--&nbsp;Attempt to lock a semaphore but don't suspend the thread.</DT
><DT
><A
HREF="sdlsemwaittimeout.html"
>SDL_SemWaitTimeout</A
>&nbsp;--&nbsp;Lock a semaphore, but only wait up to a specified maximum time.</DT
><DT
><A
HREF="sdlsempost.html"
>SDL_SemPost</A
>&nbsp;--&nbsp;Unlock a semaphore.</DT
><DT
><A
HREF="sdlsemvalue.html"
>SDL_SemValue</A
>&nbsp;--&nbsp;Return the current value of a semaphore.</DT
><DT
><A
HREF="sdlcreatecond.html"
>SDL_CreateCond</A
>&nbsp;--&nbsp;Create a condition variable</DT
><DT
><A
HREF="sdldestroycond.html"
>SDL_DestroyCond</A
>&nbsp;--&nbsp;Destroy a condition variable</DT
><DT
><A
HREF="sdlcondsignal.html"
>SDL_CondSignal</A
>&nbsp;--&nbsp;Restart a thread wait on a condition variable</DT
><DT
><A
HREF="sdlcondbroadcast.html"
>SDL_CondBroadcast</A
>&nbsp;--&nbsp;Restart all threads waiting on a condition variable</DT
><DT
><A
HREF="sdlcondwait.html"
>SDL_CondWait</A
>&nbsp;--&nbsp;Wait on a condition variable</DT
><DT
><A
HREF="sdlcondwaittimeout.html"
>SDL_CondWaitTimeout</A
>&nbsp;--&nbsp;Wait on a condition variable, with timeout</DT
></DL
></DD
><DT
>13. <A
HREF="time.html"
>Time</A
></DT
><DD
><DL
><DT
><A
HREF="sdlgetticks.html"
>SDL_GetTicks</A
>&nbsp;--&nbsp;Get the number of milliseconds since the SDL library initialization.</DT
><DT
><A
HREF="sdldelay.html"
>SDL_Delay</A
>&nbsp;--&nbsp;Wait a specified number of milliseconds before returning.</DT
><DT
><A
HREF="sdladdtimer.html"
>SDL_AddTimer</A
>&nbsp;--&nbsp;Add a timer which will call a callback after the specified number of milliseconds has
elapsed.</DT
><DT
><A
HREF="sdlremovetimer.html"
>SDL_RemoveTimer</A
>&nbsp;--&nbsp;Remove a timer which was added with
<A
HREF="sdladdtimer.html"
>SDL_AddTimer</A
>.</DT
><DT
><A
HREF="sdlsettimer.html"
>SDL_SetTimer</A
>&nbsp;--&nbsp;Set a callback to run after the specified number of milliseconds has
elapsed.</DT
></DL
></DD
></DL
></DD
></DL
></DIV
><DIV
CLASS="LOT"
><DL
CLASS="LOT"
><DT
><B
>List of Tables</B
></DT
><DT
>8-1. <A
HREF="sdlkey.html#AEN4720"
>SDL Keysym definitions</A
></DT
><DT
>8-2. <A
HREF="sdlkey.html#SDLMOD"
>SDL modifier definitions</A
></DT
></DL
></DIV
><DIV
CLASS="LOT"
><DL
CLASS="LOT"
><DT
><B
>List of Examples</B
></DT
><DT
>1-1. <A
HREF="guidebasicsinit.html#AEN60"
>Initializing SDL</A
></DT
><DT
>2-1. <A
HREF="guidevideo.html#AEN71"
>Initializing the Video Display</A
></DT
><DT
>2-2. <A
HREF="guidevideo.html#AEN77"
>Initializing the Best Video Mode</A
></DT
><DT
>2-3. <A
HREF="guidevideo.html#AEN83"
>Loading and Displaying a BMP File</A
></DT
><DT
>2-4. <A
HREF="guidevideo.html#AEN90"
>getpixel()</A
></DT
><DT
>2-5. <A
HREF="guidevideo.html#AEN93"
>putpixel()</A
></DT
><DT
>2-6. <A
HREF="guidevideo.html#AEN97"
>Using putpixel()</A
></DT
><DT
>2-7. <A
HREF="guidevideoopengl.html#AEN114"
>Initializing SDL with OpenGL</A
></DT
><DT
>2-8. <A
HREF="guidevideoopengl.html#AEN128"
>SDL and OpenGL</A
></DT
><DT
>3-1. <A
HREF="guideinput.html#AEN141"
>Initializing SDL with Joystick Support</A
></DT
><DT
>3-2. <A
HREF="guideinput.html#AEN154"
>Querying the Number of Available Joysticks</A
></DT
><DT
>3-3. <A
HREF="guideinput.html#AEN183"
>Opening a Joystick</A
></DT
><DT
>3-4. <A
HREF="guideinput.html#AEN191"
>Joystick Axis Events</A
></DT
><DT
>3-5. <A
HREF="guideinput.html#AEN195"
>More Joystick Axis Events</A
></DT
><DT
>3-6. <A
HREF="guideinput.html#AEN203"
>Joystick Button Events</A
></DT
><DT
>3-7. <A
HREF="guideinput.html#AEN217"
>Joystick Ball Events</A
></DT
><DT
>3-8. <A
HREF="guideinput.html#AEN244"
>Joystick Hat Events</A
></DT
><DT
>3-9. <A
HREF="guideinput.html#AEN265"
>Querying Joystick Characteristics</A
></DT
><DT
>3-10. <A
HREF="guideinputkeyboard.html#AEN334"
>Reading Keyboard Events</A
></DT
><DT
>3-11. <A
HREF="guideinputkeyboard.html#AEN351"
>Interpreting Key Event Information</A
></DT
><DT
>3-12. <A
HREF="guideinputkeyboard.html#AEN363"
>Proper Game Movement</A
></DT
></DL
></DIV
></DIV
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