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annotate docs/html/sdlquitevent.html @ 537:77b05010bb33
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author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 09 Nov 2002 05:51:13 +0000 |
parents | e5bc29de3f0a |
children | 355632dca928 |
rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_QuitEvent</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
55
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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 | |
181
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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 | |
181
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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 > |