Mercurial > sdl-ios-xcode
annotate docs/html/sdlquitevent.html @ 610:95433459fbd2
Date: Mon, 14 Apr 2003 22:08:27 +0100
From: Patrice Mandin
Subject: [SDL][PATCH] 2 patches for sdl
Here are 2 patches for SDL:
- One is to put the dummy video drivers at the end of the
video drivers list. It gave me problems, when
SDL_VIDEODRIVER is not set, and the dummy driver is used
instead of the platform's driver, just because it is
always available. So the dummy driver must always be at
the end of the list. I suppose picogui and dc video
drivers also don't work.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 15 Apr 2003 15:46:56 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_QuitEvent</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="SDL Event Structures." | |
| 14 HREF="eventstructures.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_UserEvent" | |
| 17 HREF="sdluserevent.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_keysym" | |
| 20 HREF="sdlkeysym.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="sdluserevent.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="sdlkeysym.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="SDLQUITEVENT" | |
| 71 >SDL_QuitEvent</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN4237" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_QuitEvent -- Quit requested event</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSECT1" | |
| 83 ><A | |
|
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84 NAME="AEN4240" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Structure Definition</H2 | |
| 88 ><PRE | |
| 89 CLASS="PROGRAMLISTING" | |
| 90 >typedef struct{ | |
| 91 Uint8 type | |
| 92 } SDL_QuitEvent;</PRE | |
| 93 ></DIV | |
| 94 ><DIV | |
| 95 CLASS="REFSECT1" | |
| 96 ><A | |
|
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97 NAME="AEN4243" |
| 0 | 98 ></A |
| 99 ><H2 | |
| 100 >Structure Data</H2 | |
| 101 ><DIV | |
| 102 CLASS="INFORMALTABLE" | |
| 103 ><A | |
|
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104 NAME="AEN4245" |
| 0 | 105 ></A |
| 106 ><P | |
| 107 ></P | |
| 108 ><TABLE | |
| 109 BORDER="0" | |
| 110 CLASS="CALSTABLE" | |
| 111 ><TBODY | |
| 112 ><TR | |
| 113 ><TD | |
| 114 ALIGN="LEFT" | |
| 115 VALIGN="TOP" | |
| 116 ><TT | |
| 117 CLASS="STRUCTFIELD" | |
| 118 ><I | |
| 119 >type</I | |
| 120 ></TT | |
| 121 ></TD | |
| 122 ><TD | |
| 123 ALIGN="LEFT" | |
| 124 VALIGN="TOP" | |
| 125 ><TT | |
| 126 CLASS="LITERAL" | |
| 127 >SDL_QUIT</TT | |
| 128 ></TD | |
| 129 ></TR | |
| 130 ></TBODY | |
| 131 ></TABLE | |
| 132 ><P | |
| 133 ></P | |
| 134 ></DIV | |
| 135 ></DIV | |
| 136 ><DIV | |
| 137 CLASS="REFSECT1" | |
| 138 ><A | |
|
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139 NAME="AEN4253" |
| 0 | 140 ></A |
| 141 ><H2 | |
| 142 >Description</H2 | |
| 143 ><P | |
| 144 ><SPAN | |
| 145 CLASS="STRUCTNAME" | |
| 146 >SDL_QuitEvent</SPAN | |
| 147 > is a member of the <A | |
| 148 HREF="sdlevent.html" | |
| 149 ><SPAN | |
| 150 CLASS="STRUCTNAME" | |
| 151 >SDL_Event</SPAN | |
| 152 ></A | |
| 153 > union and is used whan an event of type <TT | |
| 154 CLASS="LITERAL" | |
| 155 >SDL_QUIT</TT | |
| 156 > is reported.</P | |
| 157 ><P | |
| 158 >As can be seen, the SDL_QuitEvent structure serves no useful purpose. The event itself, on the other hand, is very important. If you filter out or ignore a quit event then it is impossible for the user to close the window. On the other hand, if you do accept a quit event then the application window will be closed, and screen updates will still report success event though the application will no longer be visible.</P | |
| 159 ><DIV | |
| 160 CLASS="NOTE" | |
| 161 ><BLOCKQUOTE | |
| 162 CLASS="NOTE" | |
| 163 ><P | |
| 164 ><B | |
| 165 >Note: </B | |
| 166 >The macro <TT | |
| 167 CLASS="FUNCTION" | |
| 168 >SDL_QuitRequested</TT | |
| 169 > will return non-zero if a quit event is pending</P | |
| 170 ></BLOCKQUOTE | |
| 171 ></DIV | |
| 172 ></DIV | |
| 173 ><DIV | |
| 174 CLASS="REFSECT1" | |
| 175 ><A | |
|
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176 NAME="AEN4264" |
| 0 | 177 ></A |
| 178 ><H2 | |
| 179 >See Also</H2 | |
| 180 ><P | |
| 181 ><A | |
| 182 HREF="sdlevent.html" | |
| 183 ><SPAN | |
| 184 CLASS="STRUCTNAME" | |
| 185 >SDL_Event</SPAN | |
| 186 ></A | |
| 187 >, | |
| 188 <A | |
| 189 HREF="sdlseteventfilter.html" | |
| 190 ><TT | |
| 191 CLASS="FUNCTION" | |
| 192 >SDL_SetEventFilter</TT | |
| 193 ></A | |
| 194 ></P | |
| 195 ></DIV | |
| 196 ><DIV | |
| 197 CLASS="NAVFOOTER" | |
| 198 ><HR | |
| 199 ALIGN="LEFT" | |
| 200 WIDTH="100%"><TABLE | |
| 201 WIDTH="100%" | |
| 202 BORDER="0" | |
| 203 CELLPADDING="0" | |
| 204 CELLSPACING="0" | |
| 205 ><TR | |
| 206 ><TD | |
| 207 WIDTH="33%" | |
| 208 ALIGN="left" | |
| 209 VALIGN="top" | |
| 210 ><A | |
| 211 HREF="sdluserevent.html" | |
| 212 >Prev</A | |
| 213 ></TD | |
| 214 ><TD | |
| 215 WIDTH="34%" | |
| 216 ALIGN="center" | |
| 217 VALIGN="top" | |
| 218 ><A | |
| 219 HREF="index.html" | |
| 220 >Home</A | |
| 221 ></TD | |
| 222 ><TD | |
| 223 WIDTH="33%" | |
| 224 ALIGN="right" | |
| 225 VALIGN="top" | |
| 226 ><A | |
| 227 HREF="sdlkeysym.html" | |
| 228 >Next</A | |
| 229 ></TD | |
| 230 ></TR | |
| 231 ><TR | |
| 232 ><TD | |
| 233 WIDTH="33%" | |
| 234 ALIGN="left" | |
| 235 VALIGN="top" | |
| 236 >SDL_UserEvent</TD | |
| 237 ><TD | |
| 238 WIDTH="34%" | |
| 239 ALIGN="center" | |
| 240 VALIGN="top" | |
| 241 ><A | |
| 242 HREF="eventstructures.html" | |
| 243 >Up</A | |
| 244 ></TD | |
| 245 ><TD | |
| 246 WIDTH="33%" | |
| 247 ALIGN="right" | |
| 248 VALIGN="top" | |
| 249 >SDL_keysym</TD | |
| 250 ></TR | |
| 251 ></TABLE | |
| 252 ></DIV | |
| 253 ></BODY | |
| 254 ></HTML | |
| 255 > |