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  68. ><H1
  69. ><A
  70. NAME="SDLACTIVEEVENT"
  71. >SDL_ActiveEvent</A
  72. ></H1
  73. ><DIV
  74. CLASS="REFNAMEDIV"
  75. ><A
  76. NAME="AEN3522"
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  78. ><H2
  79. >Name</H2
  80. >SDL_ActiveEvent&nbsp;--&nbsp;Application visibility event structure</DIV
  81. ><DIV
  82. CLASS="REFSECT1"
  83. ><A
  84. NAME="AEN3525"
  85. ></A
  86. ><H2
  87. >Structure Definition</H2
  88. ><PRE
  89. CLASS="PROGRAMLISTING"
  90. >typedef struct{
  91.   Uint8 type;
  92.   Uint8 gain;
  93.   Uint8 state;
  94. } SDL_ActiveEvent;</PRE
  95. ></DIV
  96. ><DIV
  97. CLASS="REFSECT1"
  98. ><A
  99. NAME="AEN3528"
  100. ></A
  101. ><H2
  102. >Structure Data</H2
  103. ><DIV
  104. CLASS="INFORMALTABLE"
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  106. NAME="AEN3530"
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  114. ><TR
  115. ><TD
  116. ALIGN="LEFT"
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  118. ><TT
  119. CLASS="STRUCTFIELD"
  120. ><I
  121. >type</I
  122. ></TT
  123. ></TD
  124. ><TD
  125. ALIGN="LEFT"
  126. VALIGN="TOP"
  127. ><TT
  128. CLASS="LITERAL"
  129. >SDL_ACTIVEEVENT.</TT
  130. ></TD
  131. ></TR
  132. ><TR
  133. ><TD
  134. ALIGN="LEFT"
  135. VALIGN="TOP"
  136. ><TT
  137. CLASS="STRUCTFIELD"
  138. ><I
  139. >gain</I
  140. ></TT
  141. ></TD
  142. ><TD
  143. ALIGN="LEFT"
  144. VALIGN="TOP"
  145. >0 if the event is a loss or 1 if it is a gain.</TD
  146. ></TR
  147. ><TR
  148. ><TD
  149. ALIGN="LEFT"
  150. VALIGN="TOP"
  151. ><TT
  152. CLASS="STRUCTFIELD"
  153. ><I
  154. >state</I
  155. ></TT
  156. ></TD
  157. ><TD
  158. ALIGN="LEFT"
  159. VALIGN="TOP"
  160. ><TT
  161. CLASS="LITERAL"
  162. >SDL_APPMOUSEFOCUS</TT
  163. > if mouse focus was gained or lost, <TT
  164. CLASS="LITERAL"
  165. >SDL_APPINPUTFOCUS</TT
  166. > if input focus was gained or lost, or <TT
  167. CLASS="LITERAL"
  168. >SDL_APPACTIVE</TT
  169. > if the application was iconified (<TT
  170. CLASS="STRUCTFIELD"
  171. ><I
  172. >gain</I
  173. ></TT
  174. >=0) or restored(<TT
  175. CLASS="STRUCTFIELD"
  176. ><I
  177. >gain</I
  178. ></TT
  179. >=1).</TD
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  187. ><DIV
  188. CLASS="REFSECT1"
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  190. NAME="AEN3551"
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  192. ><H2
  193. >Description</H2
  194. ><P
  195. ><SPAN
  196. CLASS="STRUCTNAME"
  197. >SDL_ActiveEvent</SPAN
  198. > is a member of the <A
  199. HREF="sdlevent.html"
  200. ><SPAN
  201. CLASS="STRUCTNAME"
  202. >SDL_Event</SPAN
  203. ></A
  204. > union and is used when an event of type <TT
  205. CLASS="LITERAL"
  206. >SDL_ACTIVEEVENT</TT
  207. > is reported.</P
  208. ><P
  209. >When the mouse leaves or enters the window area a <TT
  210. CLASS="LITERAL"
  211. >SDL_APPMOUSEFOCUS</TT
  212. > type activation event occurs, if the mouse entered the window then <TT
  213. CLASS="STRUCTFIELD"
  214. ><I
  215. >gain</I
  216. ></TT
  217. > will be 1, otherwise <TT
  218. CLASS="STRUCTFIELD"
  219. ><I
  220. >gain</I
  221. ></TT
  222. > will be 0. A <TT
  223. CLASS="LITERAL"
  224. >SDL_APPINPUTFOCUS</TT
  225. > type activation event occurs when the application loses or gains keyboard focus. This usually occurs when another application is made active. Finally, a <TT
  226. CLASS="LITERAL"
  227. >SDL_APPACTIVE</TT
  228. > type event occurs when the application is either minimised/iconified (<TT
  229. CLASS="STRUCTFIELD"
  230. ><I
  231. >gain</I
  232. ></TT
  233. >=0) or restored.</P
  234. ><DIV
  235. CLASS="NOTE"
  236. ><BLOCKQUOTE
  237. CLASS="NOTE"
  238. ><P
  239. ><B
  240. >Note: </B
  241. >This event does not occur when an application window is first created.</P
  242. ></BLOCKQUOTE
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  245. ><DIV
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  251. >See Also</H2
  252. ><P
  253. ><A
  254. HREF="sdlevent.html"
  255. ><SPAN
  256. CLASS="STRUCTNAME"
  257. >SDL_Event</SPAN
  258. ></A
  259. >,
  260. <A
  261. HREF="sdlgetappstate.html"
  262. ><TT
  263. CLASS="FUNCTION"
  264. >SDL_GetAppState</TT
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