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1 <HTML
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2 ><HEAD
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3 ><TITLE
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4 >SDL_MouseMotionEvent</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_KeyboardEvent"
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17 HREF="sdlkeyboardevent.html"><LINK
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18 REL="NEXT"
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19 TITLE="SDL_MouseButtonEvent"
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20 HREF="sdlmousebuttonevent.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="sdlkeyboardevent.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="sdlmousebuttonevent.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="SDLMOUSEMOTIONEVENT"
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71 >SDL_MouseMotionEvent</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="AEN3571"
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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_MouseMotionEvent -- Mouse motion 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="AEN3574"
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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 state;
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93 Uint16 x, y;
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94 Sint16 xrel, yrel;
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95 } SDL_MouseMotionEvent;</PRE
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96 ></DIV
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97 ><DIV
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98 CLASS="REFSECT1"
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99 ><A
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100 NAME="AEN3577"
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101 ></A
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102 ><H2
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103 >Structure Data</H2
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104 ><DIV
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105 CLASS="INFORMALTABLE"
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106 ><A
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107 NAME="AEN3579"
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108 ></A
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109 ><P
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110 ></P
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111 ><TABLE
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112 BORDER="0"
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113 CLASS="CALSTABLE"
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114 ><TBODY
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115 ><TR
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116 ><TD
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117 ALIGN="LEFT"
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118 VALIGN="TOP"
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119 ><TT
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120 CLASS="STRUCTFIELD"
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121 ><I
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122 >type</I
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123 ></TT
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124 ></TD
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125 ><TD
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126 ALIGN="LEFT"
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127 VALIGN="TOP"
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128 ><TT
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129 CLASS="LITERAL"
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130 >SDL_MOUSEMOTION</TT
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131 ></TD
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132 ></TR
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133 ><TR
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134 ><TD
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135 ALIGN="LEFT"
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136 VALIGN="TOP"
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137 ><TT
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138 CLASS="STRUCTFIELD"
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139 ><I
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140 >state</I
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141 ></TT
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142 ></TD
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143 ><TD
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144 ALIGN="LEFT"
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145 VALIGN="TOP"
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146 >The current button state</TD
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147 ></TR
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148 ><TR
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149 ><TD
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150 ALIGN="LEFT"
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151 VALIGN="TOP"
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152 ><TT
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153 CLASS="STRUCTFIELD"
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154 ><I
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155 >x</I
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156 ></TT
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157 >, <TT
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158 CLASS="STRUCTFIELD"
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159 ><I
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160 >y</I
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161 ></TT
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162 ></TD
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163 ><TD
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164 ALIGN="LEFT"
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165 VALIGN="TOP"
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166 >The X/Y coordinates of the mouse</TD
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167 ></TR
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168 ><TR
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169 ><TD
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170 ALIGN="LEFT"
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171 VALIGN="TOP"
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172 ><TT
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173 CLASS="STRUCTFIELD"
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174 ><I
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175 >xrel</I
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176 ></TT
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177 >, <TT
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178 CLASS="STRUCTFIELD"
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179 ><I
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180 >yrel</I
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181 ></TT
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182 ></TD
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183 ><TD
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184 ALIGN="LEFT"
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185 VALIGN="TOP"
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186 >Relative motion in the X/Y direction</TD
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187 ></TR
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188 ></TBODY
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189 ></TABLE
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190 ><P
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191 ></P
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192 ></DIV
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193 ></DIV
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194 ><DIV
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195 CLASS="REFSECT1"
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196 ><A
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197 NAME="AEN3601"
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198 ></A
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199 ><H2
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200 >Description</H2
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201 ><P
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202 ><SPAN
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203 CLASS="STRUCTNAME"
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204 >SDL_MouseMotionEvent</SPAN
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205 > is a member of the <A
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206 HREF="sdlevent.html"
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207 ><SPAN
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208 CLASS="STRUCTNAME"
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209 >SDL_Event</SPAN
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210 ></A
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211 > union and is used when an event of type <TT
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212 CLASS="LITERAL"
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213 >SDL_MOUSEMOTION</TT
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214 > is reported.</P
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215 ><P
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216 >Simply put, a <TT
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217 CLASS="LITERAL"
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218 >SDL_MOUSEMOTION</TT
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219 > type event occurs when a user moves the mouse within the application window or when <A
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220 HREF="sdlwarpmouse.html"
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221 ><TT
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222 CLASS="FUNCTION"
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223 >SDL_WarpMouse</TT
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224 ></A
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225 > is called. Both the absolute (<TT
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226 CLASS="STRUCTFIELD"
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227 ><I
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228 >x</I
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229 ></TT
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230 > and <TT
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231 CLASS="STRUCTFIELD"
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232 ><I
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233 >y</I
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234 ></TT
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235 >) and relative (<TT
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236 CLASS="STRUCTFIELD"
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237 ><I
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238 >xrel</I
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239 ></TT
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240 > and <TT
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241 CLASS="STRUCTFIELD"
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242 ><I
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243 >yrel</I
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244 ></TT
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245 >) coordinates are reported along with the current button states (<TT
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246 CLASS="STRUCTFIELD"
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247 ><I
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248 >state</I
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249 ></TT
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250 >). The button state can be interpreted using the <TT
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251 CLASS="LITERAL"
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252 >SDL_BUTTON</TT
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253 > macro (see <A
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254 HREF="sdlgetmousestate.html"
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255 ><TT
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256 CLASS="FUNCTION"
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257 >SDL_GetMouseState</TT
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258 ></A
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259 >).</P
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260 ><P
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261 >If the cursor is hidden (<A
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262 HREF="sdlshowcursor.html"
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263 ><TT
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264 CLASS="FUNCTION"
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265 >SDL_ShowCursor</TT
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266 >(0)</A
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267 >) and the input is grabbed (<A
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268 HREF="sdlwmgrabinput.html"
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269 ><TT
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270 CLASS="FUNCTION"
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271 >SDL_WM_GrabInput</TT
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272 >(SDL_GRAB_ON)</A
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273 >), then the mouse will give relative motion events even when the cursor reaches the edge fo the screen. This is currently only implemented on Windows and Linux/Unix-a-likes.</P
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274 ></DIV
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275 ><DIV
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276 CLASS="REFSECT1"
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277 ><A
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278 NAME="AEN3625"
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279 ></A
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280 ><H2
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281 >See Also</H2
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282 ><P
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283 ><A
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284 HREF="sdlevent.html"
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285 ><SPAN
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286 CLASS="STRUCTNAME"
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287 >SDL_Event</SPAN
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288 ></A
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289 >,
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290 <A
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291 HREF="sdlmousebuttonevent.html"
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292 ><SPAN
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293 CLASS="STRUCTNAME"
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294 >SDL_MouseButtonEvent</SPAN
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295 ></A
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296 ></P
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297 ></DIV
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298 ><DIV
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299 CLASS="NAVFOOTER"
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300 ><HR
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301 ALIGN="LEFT"
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302 WIDTH="100%"><TABLE
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303 WIDTH="100%"
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304 BORDER="0"
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305 CELLPADDING="0"
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306 CELLSPACING="0"
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307 ><TR
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308 ><TD
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309 WIDTH="33%"
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310 ALIGN="left"
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311 VALIGN="top"
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312 ><A
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313 HREF="sdlkeyboardevent.html"
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314 >Prev</A
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315 ></TD
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316 ><TD
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317 WIDTH="34%"
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318 ALIGN="center"
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319 VALIGN="top"
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320 ><A
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321 HREF="index.html"
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322 >Home</A
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323 ></TD
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324 ><TD
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325 WIDTH="33%"
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326 ALIGN="right"
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327 VALIGN="top"
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328 ><A
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329 HREF="sdlmousebuttonevent.html"
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330 >Next</A
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331 ></TD
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332 ></TR
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333 ><TR
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334 ><TD
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335 WIDTH="33%"
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336 ALIGN="left"
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337 VALIGN="top"
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338 >SDL_KeyboardEvent</TD
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339 ><TD
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340 WIDTH="34%"
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341 ALIGN="center"
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342 VALIGN="top"
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343 ><A
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344 HREF="eventstructures.html"
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345 >Up</A
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346 ></TD
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347 ><TD
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348 WIDTH="33%"
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349 ALIGN="right"
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350 VALIGN="top"
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351 >SDL_MouseButtonEvent</TD
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352 ></TR
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353 ></TABLE
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354 ></DIV
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355 ></BODY
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356 ></HTML
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357 > |
