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1 <HTML
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2 ><HEAD
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3 ><TITLE
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4 >SDL_PumpEvents</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="Event Functions."
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14 HREF="eventfunctions.html"><LINK
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15 REL="PREVIOUS"
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16 TITLE="Event Functions."
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17 HREF="eventfunctions.html"><LINK
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18 REL="NEXT"
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19 TITLE="SDL_PeepEvents"
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20 HREF="sdlpeepevents.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="eventfunctions.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="sdlpeepevents.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="SDLPUMPEVENTS"
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71 >SDL_PumpEvents</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="AEN4773"
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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_PumpEvents -- Pumps the event loop, gathering events from the input devices.</DIV
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81 ><DIV
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82 CLASS="REFSYNOPSISDIV"
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83 ><A
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84 NAME="AEN4776"
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85 ></A
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86 ><H2
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87 >Synopsis</H2
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88 ><DIV
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89 CLASS="FUNCSYNOPSIS"
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90 ><A
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91 NAME="AEN4777"
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92 ></A
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93 ><P
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94 ></P
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95 ><PRE
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96 CLASS="FUNCSYNOPSISINFO"
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97 >#include "SDL.h"</PRE
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98 ><P
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99 ><CODE
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100 ><CODE
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101 CLASS="FUNCDEF"
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102 >void <B
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103 CLASS="FSFUNC"
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104 >SDL_PumpEvents</B
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105 ></CODE
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106 >(void);</CODE
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107 ></P
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108 ><P
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109 ></P
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110 ></DIV
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111 ></DIV
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112 ><DIV
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113 CLASS="REFSECT1"
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114 ><A
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115 NAME="AEN4783"
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116 ></A
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117 ><H2
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118 >Description</H2
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119 ><P
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120 >Pumps the event loop, gathering events from the input devices.</P
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121 ><P
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122 ><TT
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123 CLASS="FUNCTION"
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124 >SDL_PumpEvents</TT
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125 > gathers all the pending input information from devices and places it on the event queue. Without calls to <TT
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126 CLASS="FUNCTION"
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127 >SDL_PumpEvents</TT
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128 > no events would ever be placed on the queue. Often calls the need for <TT
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129 CLASS="FUNCTION"
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130 >SDL_PumpEvents</TT
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131 > is hidden from the user since <A
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132 HREF="sdlpollevent.html"
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133 ><TT
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134 CLASS="FUNCTION"
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135 >SDL_PollEvent</TT
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136 ></A
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137 > and <A
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138 HREF="sdlwaitevent.html"
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139 ><TT
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140 CLASS="FUNCTION"
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141 >SDL_WaitEvent</TT
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142 ></A
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143 > implicitly call <TT
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144 CLASS="FUNCTION"
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145 >SDL_PumpEvents</TT
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146 >. However, if you are not polling or waiting for events (e.g. your filtering them), then you must call <TT
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147 CLASS="FUNCTION"
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148 >SDL_PumpEvents</TT
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149 > to force an event queue update.</P
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150 ><DIV
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151 CLASS="NOTE"
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152 ><BLOCKQUOTE
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153 CLASS="NOTE"
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154 ><P
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155 ><B
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156 >Note: </B
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157 >You can only call this function in the thread that set the video mode.</P
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158 ></BLOCKQUOTE
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159 ></DIV
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160 ></DIV
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161 ><DIV
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162 CLASS="REFSECT1"
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163 ><A
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164 NAME="AEN4798"
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165 ></A
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166 ><H2
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167 >See Also</H2
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168 ><P
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169 ><A
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170 HREF="sdlpollevent.html"
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171 ><TT
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172 CLASS="FUNCTION"
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173 >SDL_PollEvent</TT
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174 ></A
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175 ></P
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176 ></DIV
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177 ><DIV
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178 CLASS="NAVFOOTER"
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179 ><HR
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180 ALIGN="LEFT"
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181 WIDTH="100%"><TABLE
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182 WIDTH="100%"
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183 BORDER="0"
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184 CELLPADDING="0"
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185 CELLSPACING="0"
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186 ><TR
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187 ><TD
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188 WIDTH="33%"
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189 ALIGN="left"
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190 VALIGN="top"
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191 ><A
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192 HREF="eventfunctions.html"
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193 >Prev</A
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194 ></TD
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195 ><TD
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196 WIDTH="34%"
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197 ALIGN="center"
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198 VALIGN="top"
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199 ><A
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200 HREF="index.html"
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201 >Home</A
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202 ></TD
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203 ><TD
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204 WIDTH="33%"
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205 ALIGN="right"
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206 VALIGN="top"
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207 ><A
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208 HREF="sdlpeepevents.html"
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209 >Next</A
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210 ></TD
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211 ></TR
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212 ><TR
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213 ><TD
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214 WIDTH="33%"
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215 ALIGN="left"
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216 VALIGN="top"
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217 >Event Functions.</TD
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218 ><TD
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219 WIDTH="34%"
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220 ALIGN="center"
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221 VALIGN="top"
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222 ><A
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223 HREF="eventfunctions.html"
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224 >Up</A
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225 ></TD
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226 ><TD
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227 WIDTH="33%"
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228 ALIGN="right"
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229 VALIGN="top"
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230 >SDL_PeepEvents</TD
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231 ></TR
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232 ></TABLE
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233 ></DIV
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234 ></BODY
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235 ></HTML
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236 > |
