Mercurial > sdl-ios-xcode
annotate docs/html/sdlquitevent.html @ 77:1e7e61b9b0f9
Don't crash if freeing a cursor after quit...
| author | Sam Lantinga <slouken@lokigames.com> |
|---|---|
| date | Tue, 19 Jun 2001 21:07:12 +0000 |
| parents | 55f1f1b3e27d |
| children | e5bc29de3f0a |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_QuitEvent</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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55f1f1b3e27d
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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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55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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76 NAME="AEN4153" |
| 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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55f1f1b3e27d
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Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
84 NAME="AEN4156" |
| 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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55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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97 NAME="AEN4159" |
| 0 | 98 ></A |
| 99 ><H2 | |
| 100 >Structure Data</H2 | |
| 101 ><DIV | |
| 102 CLASS="INFORMALTABLE" | |
| 103 ><A | |
|
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55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
104 NAME="AEN4161" |
| 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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55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
139 NAME="AEN4169" |
| 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 | |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
176 NAME="AEN4180" |
| 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 > |