Mercurial > sdl-ios-xcode
annotate docs/html/sdljoysticknumbuttons.html @ 641:df178851293b
Date: 28 Jun 2003 22:42:52 +0100
From: Alan Swanson
Subject: Re: [SDL] New XFree 4.3 Video Mode Patch
I have a wee amendment that moves the qsort in set_best_resolution
to only occur after failing to find an exact match only. This would
make absolutely sure we get a user set mode.
While I've never had any problems for my normal resolutions (1280x1024,
1024x768, 800x600 & 640,480) while closely examining the output from
qsort I've noticed it doesn't seem to sort the modes fully. These is
one definite wrong at 1152x768 and a few that just look wrong to me.
From a program (attached) I made to examine this more easily. X has
sorted its mode list using the same method as ours (plus frequency),
and our user modes get inserted without any other movement.
On the patch I've made I've also changed cmpmodes to sort on vertical
resolution and then horizontal. Ie vertical is now most significant
bit.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 28 Jun 2003 21:52:26 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_JoystickNumButtons</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
| 0 | 8 "><LINK |
| 9 REL="HOME" | |
| 10 TITLE="SDL Library Documentation" | |
| 11 HREF="index.html"><LINK | |
| 12 REL="UP" | |
| 13 TITLE="Joystick" | |
| 14 HREF="joystick.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_JoystickNumHats" | |
| 17 HREF="sdljoysticknumhats.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_JoystickUpdate" | |
| 20 HREF="sdljoystickupdate.html"></HEAD | |
| 21 ><BODY | |
| 22 CLASS="REFENTRY" | |
| 23 BGCOLOR="#FFF8DC" | |
| 24 TEXT="#000000" | |
| 25 LINK="#0000ee" | |
| 26 VLINK="#551a8b" | |
| 27 ALINK="#ff0000" | |
| 28 ><DIV | |
| 29 CLASS="NAVHEADER" | |
| 30 ><TABLE | |
| 31 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdljoysticknumhats.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
| 60 HREF="sdljoystickupdate.html" | |
| 61 >Next</A | |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLJOYSTICKNUMBUTTONS" | |
| 71 >SDL_JoystickNumButtons</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN5880" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_JoystickNumButtons -- Get the number of joysitck buttons</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
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84 NAME="AEN5883" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
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91 NAME="AEN5884" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h"</PRE | |
| 98 ><P | |
| 99 ><CODE | |
| 100 ><CODE | |
| 101 CLASS="FUNCDEF" | |
| 102 >int <B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_JoystickNumButtons</B | |
| 105 ></CODE | |
| 106 >(SDL_Joystick *joystick);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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115 NAME="AEN5890" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 >Return the number of buttons available from a previously opened <SPAN | |
| 121 CLASS="STRUCTNAME" | |
| 122 >SDL_Joystick</SPAN | |
| 123 >.</P | |
| 124 ></DIV | |
| 125 ><DIV | |
| 126 CLASS="REFSECT1" | |
| 127 ><A | |
|
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128 NAME="AEN5894" |
| 0 | 129 ></A |
| 130 ><H2 | |
| 131 >Return Value</H2 | |
| 132 ><P | |
| 133 >Number of buttons.</P | |
| 134 ></DIV | |
| 135 ><DIV | |
| 136 CLASS="REFSECT1" | |
| 137 ><A | |
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138 NAME="AEN5897" |
| 0 | 139 ></A |
| 140 ><H2 | |
| 141 >See Also</H2 | |
| 142 ><P | |
| 143 ><A | |
| 144 HREF="sdljoystickgetbutton.html" | |
| 145 ><TT | |
| 146 CLASS="FUNCTION" | |
| 147 >SDL_JoystickGetButton</TT | |
| 148 ></A | |
| 149 >, | |
| 150 <A | |
| 151 HREF="sdljoystickopen.html" | |
| 152 ><TT | |
| 153 CLASS="FUNCTION" | |
| 154 >SDL_JoystickOpen</TT | |
| 155 ></A | |
| 156 ></P | |
| 157 ></DIV | |
| 158 ><DIV | |
| 159 CLASS="NAVFOOTER" | |
| 160 ><HR | |
| 161 ALIGN="LEFT" | |
| 162 WIDTH="100%"><TABLE | |
| 163 WIDTH="100%" | |
| 164 BORDER="0" | |
| 165 CELLPADDING="0" | |
| 166 CELLSPACING="0" | |
| 167 ><TR | |
| 168 ><TD | |
| 169 WIDTH="33%" | |
| 170 ALIGN="left" | |
| 171 VALIGN="top" | |
| 172 ><A | |
| 173 HREF="sdljoysticknumhats.html" | |
| 174 >Prev</A | |
| 175 ></TD | |
| 176 ><TD | |
| 177 WIDTH="34%" | |
| 178 ALIGN="center" | |
| 179 VALIGN="top" | |
| 180 ><A | |
| 181 HREF="index.html" | |
| 182 >Home</A | |
| 183 ></TD | |
| 184 ><TD | |
| 185 WIDTH="33%" | |
| 186 ALIGN="right" | |
| 187 VALIGN="top" | |
| 188 ><A | |
| 189 HREF="sdljoystickupdate.html" | |
| 190 >Next</A | |
| 191 ></TD | |
| 192 ></TR | |
| 193 ><TR | |
| 194 ><TD | |
| 195 WIDTH="33%" | |
| 196 ALIGN="left" | |
| 197 VALIGN="top" | |
| 198 >SDL_JoystickNumHats</TD | |
| 199 ><TD | |
| 200 WIDTH="34%" | |
| 201 ALIGN="center" | |
| 202 VALIGN="top" | |
| 203 ><A | |
| 204 HREF="joystick.html" | |
| 205 >Up</A | |
| 206 ></TD | |
| 207 ><TD | |
| 208 WIDTH="33%" | |
| 209 ALIGN="right" | |
| 210 VALIGN="top" | |
| 211 >SDL_JoystickUpdate</TD | |
| 212 ></TR | |
| 213 ></TABLE | |
| 214 ></DIV | |
| 215 ></BODY | |
| 216 ></HTML | |
| 217 > |