Mercurial > sdl-ios-xcode
annotate docs/html/sdlmousebuttonevent.html @ 4170:092c0bc69155 SDL-1.2
Fixed bug #618
Description From Tim Angus 2008-08-30 12:23:56 (-) [reply]
As we all know SDL 1.2 doesn't handle dead keys well since one key press
potentially equals two (or more) characters. For example, on many layouts,
keying <backquote>,<space> results in <no character>,<backquote><space>. Since
the unicode member of the SDL_keysym struct only has room for one character,
only one can be returned.
On Linux, the first character is returned. On Windows however, unless the exact
number of characters generated by the keypress is 1, nothing is returned. The
following patch addresses this inconsistency.
Updated patch which includes a further fix to the handling of the numpad when
numlock is on. This further fix is courtesy Amanieu d'Antras.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 13 Apr 2009 08:42:09 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_MouseButtonEvent</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
| 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_MouseMotionEvent" | |
| 17 HREF="sdlmousemotionevent.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_JoyAxisEvent" | |
| 20 HREF="sdljoyaxisevent.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 | |
|
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31 SUMMARY="Header navigation table" |
| 0 | 32 WIDTH="100%" |
| 33 BORDER="0" | |
| 34 CELLPADDING="0" | |
| 35 CELLSPACING="0" | |
| 36 ><TR | |
| 37 ><TH | |
| 38 COLSPAN="3" | |
| 39 ALIGN="center" | |
| 40 >SDL Library Documentation</TH | |
| 41 ></TR | |
| 42 ><TR | |
| 43 ><TD | |
| 44 WIDTH="10%" | |
| 45 ALIGN="left" | |
| 46 VALIGN="bottom" | |
| 47 ><A | |
| 48 HREF="sdlmousemotionevent.html" | |
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49 ACCESSKEY="P" |
| 0 | 50 >Prev</A |
| 51 ></TD | |
| 52 ><TD | |
| 53 WIDTH="80%" | |
| 54 ALIGN="center" | |
| 55 VALIGN="bottom" | |
| 56 ></TD | |
| 57 ><TD | |
| 58 WIDTH="10%" | |
| 59 ALIGN="right" | |
| 60 VALIGN="bottom" | |
| 61 ><A | |
| 62 HREF="sdljoyaxisevent.html" | |
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63 ACCESSKEY="N" |
| 0 | 64 >Next</A |
| 65 ></TD | |
| 66 ></TR | |
| 67 ></TABLE | |
| 68 ><HR | |
| 69 ALIGN="LEFT" | |
| 70 WIDTH="100%"></DIV | |
| 71 ><H1 | |
| 72 ><A | |
| 73 NAME="SDLMOUSEBUTTONEVENT" | |
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74 ></A |
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75 >SDL_MouseButtonEvent</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN4144" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_MouseButtonEvent -- Mouse button event structure</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSECT1" | |
| 86 ><A | |
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87 NAME="AEN4147" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Structure Definition</H2 | |
| 91 ><PRE | |
| 92 CLASS="PROGRAMLISTING" | |
| 93 >typedef struct{ | |
| 94 Uint8 type; | |
| 95 Uint8 button; | |
| 96 Uint8 state; | |
| 97 Uint16 x, y; | |
| 98 } SDL_MouseButtonEvent;</PRE | |
| 99 ></DIV | |
| 100 ><DIV | |
| 101 CLASS="REFSECT1" | |
| 102 ><A | |
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103 NAME="AEN4150" |
| 0 | 104 ></A |
| 105 ><H2 | |
| 106 >Structure Data</H2 | |
| 107 ><DIV | |
| 108 CLASS="INFORMALTABLE" | |
| 109 ><A | |
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110 NAME="AEN4152" |
| 0 | 111 ></A |
| 112 ><P | |
| 113 ></P | |
| 114 ><TABLE | |
| 115 BORDER="0" | |
| 116 CLASS="CALSTABLE" | |
| 117 ><TBODY | |
| 118 ><TR | |
| 119 ><TD | |
| 120 ALIGN="LEFT" | |
| 121 VALIGN="TOP" | |
| 122 ><TT | |
| 123 CLASS="STRUCTFIELD" | |
| 124 ><I | |
| 125 >type</I | |
| 126 ></TT | |
| 127 ></TD | |
| 128 ><TD | |
| 129 ALIGN="LEFT" | |
| 130 VALIGN="TOP" | |
| 131 ><TT | |
| 132 CLASS="LITERAL" | |
| 133 >SDL_MOUSEBUTTONDOWN</TT | |
| 134 > or <TT | |
| 135 CLASS="LITERAL" | |
| 136 >SDL_MOUSEBUTTONUP</TT | |
| 137 ></TD | |
| 138 ></TR | |
| 139 ><TR | |
| 140 ><TD | |
| 141 ALIGN="LEFT" | |
| 142 VALIGN="TOP" | |
| 143 ><TT | |
| 144 CLASS="STRUCTFIELD" | |
| 145 ><I | |
| 146 >button</I | |
| 147 ></TT | |
| 148 ></TD | |
| 149 ><TD | |
| 150 ALIGN="LEFT" | |
| 151 VALIGN="TOP" | |
| 152 >The mouse button index (SDL_BUTTON_LEFT, SDL_BUTTON_MIDDLE, SDL_BUTTON_RIGHT)</TD | |
| 153 ></TR | |
| 154 ><TR | |
| 155 ><TD | |
| 156 ALIGN="LEFT" | |
| 157 VALIGN="TOP" | |
| 158 ><TT | |
| 159 CLASS="STRUCTFIELD" | |
| 160 ><I | |
| 161 >state</I | |
| 162 ></TT | |
| 163 ></TD | |
| 164 ><TD | |
| 165 ALIGN="LEFT" | |
| 166 VALIGN="TOP" | |
| 167 ><TT | |
| 168 CLASS="LITERAL" | |
| 169 >SDL_PRESSED</TT | |
| 170 > or <TT | |
| 171 CLASS="LITERAL" | |
| 172 >SDL_RELEASED</TT | |
| 173 ></TD | |
| 174 ></TR | |
| 175 ><TR | |
| 176 ><TD | |
| 177 ALIGN="LEFT" | |
| 178 VALIGN="TOP" | |
| 179 ><TT | |
| 180 CLASS="STRUCTFIELD" | |
| 181 ><I | |
| 182 >x</I | |
| 183 ></TT | |
| 184 >, <TT | |
| 185 CLASS="STRUCTFIELD" | |
| 186 ><I | |
| 187 >y</I | |
| 188 ></TT | |
| 189 ></TD | |
| 190 ><TD | |
| 191 ALIGN="LEFT" | |
| 192 VALIGN="TOP" | |
| 193 >The X/Y coordinates of the mouse at press/release time</TD | |
| 194 ></TR | |
| 195 ></TBODY | |
| 196 ></TABLE | |
| 197 ><P | |
| 198 ></P | |
| 199 ></DIV | |
| 200 ></DIV | |
| 201 ><DIV | |
| 202 CLASS="REFSECT1" | |
| 203 ><A | |
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204 NAME="AEN4176" |
| 0 | 205 ></A |
| 206 ><H2 | |
| 207 >Description</H2 | |
| 208 ><P | |
| 209 ><SPAN | |
| 210 CLASS="STRUCTNAME" | |
| 211 >SDL_MouseButtonEvent</SPAN | |
| 212 > is a member of the <A | |
| 213 HREF="sdlevent.html" | |
| 214 ><SPAN | |
| 215 CLASS="STRUCTNAME" | |
| 216 >SDL_Event</SPAN | |
| 217 ></A | |
| 218 > union and is used when an event of type <TT | |
| 219 CLASS="LITERAL" | |
| 220 >SDL_MOUSEBUTTONDOWN</TT | |
| 221 > or <TT | |
| 222 CLASS="LITERAL" | |
| 223 >SDL_MOUSEBUTTONUP</TT | |
| 224 > is reported.</P | |
| 225 ><P | |
| 226 >When a mouse button press or release is detected then number of the button pressed (from 1 to 255, with 1 usually being the left button and 2 the right) is placed into <TT | |
| 227 CLASS="STRUCTFIELD" | |
| 228 ><I | |
| 229 >button</I | |
| 230 ></TT | |
| 231 >, the position of the mouse when this event occured is stored in the <TT | |
| 232 CLASS="STRUCTFIELD" | |
| 233 ><I | |
| 234 >x</I | |
| 235 ></TT | |
| 236 > and the <TT | |
| 237 CLASS="STRUCTFIELD" | |
| 238 ><I | |
| 239 >y</I | |
| 240 ></TT | |
| 241 > fields. Like <A | |
| 242 HREF="sdlkeyboardevent.html" | |
| 243 ><SPAN | |
| 244 CLASS="STRUCTNAME" | |
| 245 >SDL_KeyboardEvent</SPAN | |
| 246 ></A | |
| 247 >, information on whether the event was a press or a release event is stored in both the <TT | |
| 248 CLASS="STRUCTFIELD" | |
| 249 ><I | |
| 250 >type</I | |
| 251 ></TT | |
| 252 > and <TT | |
| 253 CLASS="STRUCTFIELD" | |
| 254 ><I | |
| 255 >state</I | |
| 256 ></TT | |
| 257 > fields, but this should be obvious.</P | |
| 258 ></DIV | |
| 259 ><DIV | |
| 260 CLASS="REFSECT1" | |
| 261 ><A | |
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262 NAME="AEN4192" |
| 0 | 263 ></A |
| 264 ><H2 | |
| 265 >See Also</H2 | |
| 266 ><P | |
| 267 ><A | |
| 268 HREF="sdlevent.html" | |
| 269 ><SPAN | |
| 270 CLASS="STRUCTNAME" | |
| 271 >SDL_Event</SPAN | |
| 272 ></A | |
| 273 >, | |
| 274 <A | |
| 275 HREF="sdlmousemotionevent.html" | |
| 276 ><SPAN | |
| 277 CLASS="STRUCTNAME" | |
| 278 >SDL_MouseMotionEvent</SPAN | |
| 279 ></A | |
| 280 ></P | |
| 281 ></DIV | |
| 282 ><DIV | |
| 283 CLASS="NAVFOOTER" | |
| 284 ><HR | |
| 285 ALIGN="LEFT" | |
| 286 WIDTH="100%"><TABLE | |
|
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287 SUMMARY="Footer navigation table" |
| 0 | 288 WIDTH="100%" |
| 289 BORDER="0" | |
| 290 CELLPADDING="0" | |
| 291 CELLSPACING="0" | |
| 292 ><TR | |
| 293 ><TD | |
| 294 WIDTH="33%" | |
| 295 ALIGN="left" | |
| 296 VALIGN="top" | |
| 297 ><A | |
| 298 HREF="sdlmousemotionevent.html" | |
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299 ACCESSKEY="P" |
| 0 | 300 >Prev</A |
| 301 ></TD | |
| 302 ><TD | |
| 303 WIDTH="34%" | |
| 304 ALIGN="center" | |
| 305 VALIGN="top" | |
| 306 ><A | |
| 307 HREF="index.html" | |
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308 ACCESSKEY="H" |
| 0 | 309 >Home</A |
| 310 ></TD | |
| 311 ><TD | |
| 312 WIDTH="33%" | |
| 313 ALIGN="right" | |
| 314 VALIGN="top" | |
| 315 ><A | |
| 316 HREF="sdljoyaxisevent.html" | |
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317 ACCESSKEY="N" |
| 0 | 318 >Next</A |
| 319 ></TD | |
| 320 ></TR | |
| 321 ><TR | |
| 322 ><TD | |
| 323 WIDTH="33%" | |
| 324 ALIGN="left" | |
| 325 VALIGN="top" | |
| 326 >SDL_MouseMotionEvent</TD | |
| 327 ><TD | |
| 328 WIDTH="34%" | |
| 329 ALIGN="center" | |
| 330 VALIGN="top" | |
| 331 ><A | |
| 332 HREF="eventstructures.html" | |
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333 ACCESSKEY="U" |
| 0 | 334 >Up</A |
| 335 ></TD | |
| 336 ><TD | |
| 337 WIDTH="33%" | |
| 338 ALIGN="right" | |
| 339 VALIGN="top" | |
| 340 >SDL_JoyAxisEvent</TD | |
| 341 ></TR | |
| 342 ></TABLE | |
| 343 ></DIV | |
| 344 ></BODY | |
| 345 ></HTML | |
| 346 > |