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1 <HTML
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2 ><HEAD
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3 ><TITLE
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4 >SDL_ActiveEvent</TITLE
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5 ><META
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6 NAME="GENERATOR"
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.61
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8 "><LINK
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9 REL="HOME"
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10 TITLE="SDL Library Documentation"
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11 HREF="index.html"><LINK
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12 REL="UP"
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13 TITLE="SDL Event Structures."
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14 HREF="eventstructures.html"><LINK
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15 REL="PREVIOUS"
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16 TITLE="SDL_Event"
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17 HREF="sdlevent.html"><LINK
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18 REL="NEXT"
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19 TITLE="SDL_KeyboardEvent"
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20 HREF="sdlkeyboardevent.html"></HEAD
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21 ><BODY
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22 CLASS="REFENTRY"
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23 BGCOLOR="#FFF8DC"
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24 TEXT="#000000"
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25 LINK="#0000ee"
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26 VLINK="#551a8b"
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27 ALINK="#ff0000"
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28 ><DIV
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29 CLASS="NAVHEADER"
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30 ><TABLE
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31 WIDTH="100%"
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32 BORDER="0"
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33 CELLPADDING="0"
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34 CELLSPACING="0"
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35 ><TR
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36 ><TH
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37 COLSPAN="3"
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38 ALIGN="center"
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39 >SDL Library Documentation</TH
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40 ></TR
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41 ><TR
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42 ><TD
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43 WIDTH="10%"
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44 ALIGN="left"
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45 VALIGN="bottom"
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46 ><A
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47 HREF="sdlevent.html"
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48 >Prev</A
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49 ></TD
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50 ><TD
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51 WIDTH="80%"
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52 ALIGN="center"
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53 VALIGN="bottom"
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54 ></TD
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55 ><TD
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56 WIDTH="10%"
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57 ALIGN="right"
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58 VALIGN="bottom"
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59 ><A
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60 HREF="sdlkeyboardevent.html"
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61 >Next</A
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62 ></TD
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63 ></TR
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64 ></TABLE
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65 ><HR
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66 ALIGN="LEFT"
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67 WIDTH="100%"></DIV
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68 ><H1
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69 ><A
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70 NAME="SDLACTIVEEVENT"
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71 >SDL_ActiveEvent</A
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72 ></H1
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73 ><DIV
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74 CLASS="REFNAMEDIV"
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75 ><A
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76 NAME="AEN3447"
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77 ></A
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78 ><H2
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79 >Name</H2
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80 >SDL_ActiveEvent -- Application visibility event structure</DIV
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81 ><DIV
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82 CLASS="REFSECT1"
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83 ><A
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84 NAME="AEN3450"
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85 ></A
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86 ><H2
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87 >Structure Definition</H2
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88 ><PRE
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89 CLASS="PROGRAMLISTING"
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90 >typedef struct{
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91 Uint8 type;
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92 Uint8 gain;
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93 Uint8 state;
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94 } SDL_ActiveEvent;</PRE
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95 ></DIV
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96 ><DIV
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97 CLASS="REFSECT1"
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98 ><A
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99 NAME="AEN3453"
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100 ></A
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101 ><H2
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102 >Structure Data</H2
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103 ><DIV
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104 CLASS="INFORMALTABLE"
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105 ><A
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106 NAME="AEN3455"
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107 ></A
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108 ><P
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109 ></P
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110 ><TABLE
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111 BORDER="0"
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112 CLASS="CALSTABLE"
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113 ><TBODY
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114 ><TR
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115 ><TD
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116 ALIGN="LEFT"
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117 VALIGN="TOP"
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118 ><TT
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119 CLASS="STRUCTFIELD"
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120 ><I
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121 >type</I
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122 ></TT
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123 ></TD
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124 ><TD
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125 ALIGN="LEFT"
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126 VALIGN="TOP"
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127 ><TT
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128 CLASS="LITERAL"
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129 >SDL_ACTIVEEVENT.</TT
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130 ></TD
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131 ></TR
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132 ><TR
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133 ><TD
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134 ALIGN="LEFT"
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135 VALIGN="TOP"
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136 ><TT
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137 CLASS="STRUCTFIELD"
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138 ><I
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139 >gain</I
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140 ></TT
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141 ></TD
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142 ><TD
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143 ALIGN="LEFT"
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144 VALIGN="TOP"
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145 >0 if the event is a loss or 1 if it is a gain.</TD
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146 ></TR
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147 ><TR
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148 ><TD
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149 ALIGN="LEFT"
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150 VALIGN="TOP"
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151 ><TT
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152 CLASS="STRUCTFIELD"
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153 ><I
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154 >state</I
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155 ></TT
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156 ></TD
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157 ><TD
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158 ALIGN="LEFT"
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159 VALIGN="TOP"
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160 ><TT
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161 CLASS="LITERAL"
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162 >SDL_APPMOUSEFOCUS</TT
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163 > if mouse focus was gained or lost, <TT
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164 CLASS="LITERAL"
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165 >SDL_APPINPUTFOCUS</TT
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166 > if input focus was gained or lost, or <TT
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167 CLASS="LITERAL"
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168 >SDL_APPACTIVE</TT
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169 > if the application was iconified (<TT
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170 CLASS="STRUCTFIELD"
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171 ><I
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172 >gain</I
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173 ></TT
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174 >=0) or restored(<TT
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175 CLASS="STRUCTFIELD"
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176 ><I
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177 >gain</I
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178 ></TT
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179 >=1).</TD
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180 ></TR
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181 ></TBODY
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182 ></TABLE
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183 ><P
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184 ></P
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185 ></DIV
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186 ></DIV
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187 ><DIV
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188 CLASS="REFSECT1"
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189 ><A
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190 NAME="AEN3476"
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191 ></A
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192 ><H2
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193 >Description</H2
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194 ><P
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195 ><SPAN
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196 CLASS="STRUCTNAME"
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197 >SDL_ActiveEvent</SPAN
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198 > is a member of the <A
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199 HREF="sdlevent.html"
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200 ><SPAN
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201 CLASS="STRUCTNAME"
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202 >SDL_Event</SPAN
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203 ></A
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204 > union and is used when an event of type <TT
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205 CLASS="LITERAL"
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206 >SDL_ACTIVEEVENT</TT
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207 > is reported.</P
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208 ><P
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209 >When the mouse leaves or enters the window area a <TT
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210 CLASS="LITERAL"
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211 >SDL_APPMOUSEFOCUS</TT
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212 > type activation event occurs, if the mouse entered the window then <TT
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213 CLASS="STRUCTFIELD"
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214 ><I
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215 >gain</I
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216 ></TT
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217 > will be 1, otherwise <TT
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218 CLASS="STRUCTFIELD"
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219 ><I
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220 >gain</I
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221 ></TT
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222 > will be 0. A <TT
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223 CLASS="LITERAL"
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224 >SDL_APPINPUTFOCUS</TT
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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
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226 CLASS="LITERAL"
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227 >SDL_APPACTIVE</TT
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228 > type event occurs when the application is either minimised/iconified (<TT
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229 CLASS="STRUCTFIELD"
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230 ><I
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231 >gain</I
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232 ></TT
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233 >=0) or restored.</P
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234 ><DIV
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235 CLASS="NOTE"
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236 ><BLOCKQUOTE
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237 CLASS="NOTE"
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238 ><P
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239 ><B
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240 >Note: </B
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241 >This event does not occur when an application window is first created.</P
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242 ></BLOCKQUOTE
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243 ></DIV
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244 ></DIV
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245 ><DIV
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246 CLASS="REFSECT1"
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247 ><A
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248 NAME="AEN3492"
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249 ></A
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250 ><H2
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251 >See Also</H2
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252 ><P
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253 ><A
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254 HREF="sdlevent.html"
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255 ><SPAN
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256 CLASS="STRUCTNAME"
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257 >SDL_Event</SPAN
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258 ></A
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259 >,
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260 <A
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261 HREF="sdlgetappstate.html"
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262 ><TT
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263 CLASS="FUNCTION"
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264 >SDL_GetAppState</TT
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265 ></A
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266 ></P
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267 ></DIV
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268 ><DIV
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269 CLASS="NAVFOOTER"
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270 ><HR
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271 ALIGN="LEFT"
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272 WIDTH="100%"><TABLE
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273 WIDTH="100%"
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274 BORDER="0"
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275 CELLPADDING="0"
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276 CELLSPACING="0"
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277 ><TR
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278 ><TD
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279 WIDTH="33%"
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280 ALIGN="left"
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281 VALIGN="top"
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282 ><A
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283 HREF="sdlevent.html"
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284 >Prev</A
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285 ></TD
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286 ><TD
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287 WIDTH="34%"
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288 ALIGN="center"
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289 VALIGN="top"
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290 ><A
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291 HREF="index.html"
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292 >Home</A
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293 ></TD
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294 ><TD
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295 WIDTH="33%"
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296 ALIGN="right"
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297 VALIGN="top"
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298 ><A
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299 HREF="sdlkeyboardevent.html"
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300 >Next</A
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301 ></TD
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302 ></TR
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303 ><TR
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304 ><TD
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305 WIDTH="33%"
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306 ALIGN="left"
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307 VALIGN="top"
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308 >SDL_Event</TD
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309 ><TD
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310 WIDTH="34%"
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311 ALIGN="center"
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312 VALIGN="top"
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313 ><A
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314 HREF="eventstructures.html"
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315 >Up</A
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316 ></TD
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317 ><TD
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318 WIDTH="33%"
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319 ALIGN="right"
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320 VALIGN="top"
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321 >SDL_KeyboardEvent</TD
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322 ></TR
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323 ></TABLE
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324 ></DIV
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325 ></BODY
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326 ></HTML
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327 > |
