aboutsummaryrefslogtreecommitdiff
path: root/docs/doxygen/nel/di__event__emitter_8cpp-source.html
blob: 89cf6c13d0f0bb99e07554904fcd3a330193d106 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
	<TITLE>nevrax.org : docs</TITLE>
	<LINK REL=stylesheet TYPE="text/css" HREF="http://www.nevrax.org/inc/css/nevrax.css">
	<link href="doxygen.css" rel="stylesheet" type="text/css">
</HEAD>
<BODY MARGINHEIGHT="0" MARGINWIDTH="0">

<!-- uplinks -->
<TABLE CELLSPACING=0 CELLPADDING=0  BORDER=0>
 <TR>
        <TD WIDTH=16><IMG  SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
        <TD WIDTH=140 BGCOLOR=#dddddd><IMG  SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="16" BORDER=0 ALT=""></TD>
        <TD WIDTH=16><IMG  SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
        <TD><IMG width=6 height=14 SRC="http://www.nevrax.org/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle>&nbsp;<A CLASS=uplinks HREF=http://www.nevrax.org><b>Home</B></FONT></A>&nbsp;&nbsp;&nbsp;</TD>
        <TD><IMG  width=6 height=14  SRC="http://www.nevrax.org/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle>&nbsp;<A CLASS=uplinks HREF=http://www.nevrax.com><b>nevrax.com</B></FONT></A>&nbsp;&nbsp;&nbsp;</TD>
 </TR>
</TABLE> 

<!-- banner Nevrax -->
<TABLE CELLSPACING=0 CELLPADDING=0  BORDER=0 WIDTH=100%>
 <TR><TD  BGCOLOR="#000000" BACKGROUND="http://www.nevrax.org/inc/img/black_banner.jpg"><A HREF="http://www.nevrax.org"><IMG  SRC="http://www.nevrax.org/inc/img/nevrax.gif" WIDTH="170" HEIGHT="45" BORDER=0 ALT="Nevrax" ></A></TD></TR>
</TABLE>

<!-- main table -->
<TABLE CELLSPACING=0 CELLPADDING=0  BORDER=0 height=100%>
 <TR>
	<TD WIDTH=16><IMG  SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="10" BORDER=0 ALT=""></TD>
	<TD WIDTH=140   BGCOLOR=#dddddd VALIGN=TOP ALIGN=middle><IMG  SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">

		<!------ Begin Box ------>
		<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR=black><TR><TD><TABLE border=0  cellspacing=2 cellpadding=0 width=120><tr><TD ALIGN=middle bgcolor=black>
		<FONT COLOR=white FACE="sans-serif"><B>Nevrax.org</B></FONT></TD></TR><tr><td  colspan=2 bgcolor=#FFFFFF>
		<TABLE cellspacing=0 cellpadding=1 border=0>
			<tr><td ALIGN=middle><a  class='linkbox' href="http://www.nevrax.org/news/" TITLE="Rubrique news"><img width=13 height=15  hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-news.gif ALT=#></A></td><td><a  class='linkbox' href="http://www.nevrax.org/news/" TITLE="News">News</a></td></tr>
			<tr><td ALIGN=middle><a  class='linkbox' href="http://www.nevrax.org/mail/" TITLE="Rubrique mail"><img width=15 height=11  hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-mail.gif ALT=#></A></td><td><a  class='linkbox' href="http://www.nevrax.org/mail/" TITLE="Mailing list archive">Mailing-list</a></td></tr>
			<tr><td ALIGN=middle><a  class='linkbox' href="http://www.nevrax.org/docs/" TITLE="Rubrique docs"><img width=14 height=16  hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-docs.gif ALT=#></A></td><td><a  class='linkbox' href="http://www.nevrax.org/docs/" TITLE="Documentation">Documentation</a></td></tr>
			<tr><td ALIGN=middle><a  class='linkbox' href="http://www.nevrax.org/cvs/" TITLE="Rubrique cvs"><img width=13 height=17  hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-cvs.gif ALT=#></A></td><td><a  class='linkbox' href="http://www.nevrax.org/cvs/" TITLE="CVS Web">CVS</a></td></tr>
			<tr><td ALIGN=middle><a  class='linkbox' href="http://www.nevrax.org/bugs/" TITLE="Rubrique bugs"><img width=20 height=16  hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-bugs.gif ALT=#></A></td><td><a  class='linkbox' href="http://www.nevrax.org/bugs/" TITLE="Bugtracking">Bugs</a></td></tr>
			<tr><td ALIGN=middle><a  class='linkbox' href="http://www.nevrax.org/GPL.php3" TITLE="Rubrique license"><img  width=18 height=12   hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-gpl.gif ALT=#></A></td><td><a  class='linkbox' href="http://www.nevrax.org/GPL.php3" TITLE="License">License</a></td></tr>
		</TABLE>
		</TD></TR></TABLE></TD></TR></TABLE>
		<!------ End Box  ------>

	</TD>
	<TD WIDTH=15><IMG  SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
	<TD ALIGN=left valign=top><IMG  SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">

<!-- title -->
<TABLE  background="http://www.nevrax.org/inc/img/redline.gif" CELLSPACING=0 CELLPADDING=0  BORDER=0 width=100%><tr><td>
<A HREF="http://www.nevrax.org/docs/"><img src="http://www.nevrax.org/inc/img/t_docs.gif" ALT="Docs" HEIGHT=20 BORDER=0></A>
</td><td><IMG  SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="1" HEIGHT="1" BORDER=0 ALT="">
</td></tr></table>
&nbsp;

<!-- block -->
<TABLE  bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0  BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="http://www.nevrax.org/inc/img/reddots.gif"></TD>
	<TD><B>Documentation</B></TD>
	<TD ALIGN=RIGHT>&nbsp;</td>
</tr></table>
<!-- Generated by Doxygen 1.2.14 -->
<center>
<a class="qindex" href="index.html">Main Page</a> &nbsp; <a class="qindex" href="namespaces.html">Namespace List</a> &nbsp; <a class="qindex" href="hierarchy.html">Class Hierarchy</a> &nbsp; <a class="qindex" href="classes.html">Alphabetical List</a> &nbsp; <a class="qindex" href="annotated.html">Compound List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="namespacemembers.html">Namespace Members</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; <a class="qindex" href="globals.html">File Members</a> &nbsp; <a class="qindex" href="pages.html">Related Pages</a> &nbsp; <a class="qindexRef" doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> &nbsp; </center>
<hr><h1>di_event_emitter.cpp</h1><a href="di__event__emitter_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2000-2002 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025 
00026 
00027 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font>
00028 
00029 <font class="preprocessor">#include "<a class="code" href="di__event__emitter_8h.html">nel/misc/di_event_emitter.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="events_8h.html">nel/misc/events.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="win__event__emitter_8h.html">nel/misc/win_event_emitter.h</a>"</font>
00032 <font class="comment">//</font>
00033 <font class="preprocessor">#include "<a class="code" href="di__mouse__device_8h.html">misc/di_mouse_device.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="di__keyboard__device_8h.html">misc/di_keyboard_device.h</a>"</font>
00035 <font class="preprocessor">#include "<a class="code" href="di__game__device_8h.html">misc/di_game_device.h</a>"</font>
00036 <font class="comment">//</font>
00037 <font class="preprocessor">#include &lt;memory&gt;</font>
00038 <font class="preprocessor">#include &lt;algorithm&gt;</font>
00039 
00040 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00041 <font class="preprocessor"></font>
00042 
00043 
00044 <font class="keyword">namespace </font>NLMISC
00045 {
00046 
00047 <font class="preprocessor">#ifdef NL_DEBUG</font>
00048 <font class="preprocessor"></font>        <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">char</font> DirectInputLibName[] = <font class="stringliteral">"dinput8.dll"</font>;
00049 <font class="preprocessor">#else</font>
00050 <font class="preprocessor"></font>        <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">char</font> DirectInputLibName[] = <font class="stringliteral">"dinput8d.dll"</font>;
00051 <font class="preprocessor">#endif</font>
00052 <font class="preprocessor"></font>
00053 
00055 <font class="comment">//      CDIEventEmitter statics    //</font>
00057 <font class="comment"></font>
00058 HMODULE CDIEventEmitter::_DirectInputLibHandle = 0;
00059 CDIEventEmitter::TPDirectInput8Create CDIEventEmitter::_PDirectInput8Create = NULL;
00060 <a class="code" href="types__nl_8h.html#a14">uint</a> CDIEventEmitter::_NumCreatedInterfaces = 0;
00061 
00064 
00066 <font class="comment">// CDIEventEmitter implementation //</font>
00068 <font class="comment"></font>
00069 
00070 <font class="comment">//======================================================</font>
00071 CDIEventEmitter::CDIEventEmitter(HWND hwnd, CWinEventEmitter *we) 
00072 :
00073  _hWnd(hwnd),
00074  _WE(we),
00075  _DInput8(NULL),
00076  _Keyboard(NULL),
00077  _Mouse(NULL),
00078  _ButtonsFlags(<a class="code" href="namespaceNLMISC.html#a297a156">noButton</a>)
00079 {               
00080 }
00081 <font class="comment">//======================================================</font>
00082 CDIEventEmitter::~CDIEventEmitter()
00083 {       
00084         releaseMouse();
00085         releaseKeyboard();
00086         <font class="comment">// release all devices</font>
00087         <font class="keywordflow">while</font> (_DeviceServer.getNumDevices() != 0)
00088         {
00089                 IInputDevice *dev = _DeviceServer.getDevice(0);
00090                 _DeviceServer.removeDevice(dev);
00091                 <font class="keyword">delete</font> dev;
00092         }
00093         <font class="keywordflow">if</font> (_DInput8) _DInput8-&gt;Release();
00094         -- _NumCreatedInterfaces;
00095         <font class="keywordflow">if</font> (_NumCreatedInterfaces == 0) unloadLib();
00096 }
00097 
00098 <font class="comment">//======================================================</font>
00099 CDIEventEmitter *CDIEventEmitter::create(HINSTANCE hinst, HWND hwnd, CWinEventEmitter *we) <font class="keywordflow">throw</font>(EDirectInput)
00100 {
00101         <font class="keywordflow">if</font> (!loadLib()) <font class="keywordflow">throw</font> EDirectInputLibNotFound();        
00102         std::auto_ptr&lt;CDIEventEmitter&gt; dxee(<font class="keyword">new</font> CDIEventEmitter(hwnd, we));
00103         HRESULT result = _PDirectInput8Create(hinst, 
00104                                                                                   DIRECTINPUT_VERSION,
00105                                                                                   IID_IDirectInput8A,
00106                                                                                   (<font class="keywordtype">void</font> **) &amp;dxee-&gt;_DInput8,
00107                                                                                   NULL);
00108         <font class="keywordflow">if</font> (result != DI_OK) <font class="keywordflow">throw</font> EDirectInputInitFailed();    
00109 
00110         <font class="comment">// ok, everything's fine, commit changes</font>
00111         ++_NumCreatedInterfaces;
00112         <font class="keywordflow">return</font> dxee.release();
00113 }
00114 
00115 
00116 <font class="comment">//======================================================</font>
00117 <font class="keywordtype">bool</font> CDIEventEmitter::loadLib()
00118 {
00119         <font class="keywordflow">if</font> (_DirectInputLibHandle != 0) <font class="keywordflow">return</font> <font class="keyword">true</font>; <font class="comment">// library already loaded ?</font>
00120         HMODULE handle = ::LoadLibrary(DirectInputLibName);
00121         <font class="keywordflow">if</font> (handle == 0) <font class="keywordflow">return</font> <font class="keyword">false</font>;  
00122         <font class="comment">//      try to get the creation function</font>
00123         TPDirectInput8Create cf = (TPDirectInput8Create) ::GetProcAddress(handle, <font class="stringliteral">"DirectInput8Create"</font>);
00124         <font class="keywordflow">if</font> (!cf)
00125         {
00126                 ::FreeLibrary(handle);          
00127                 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00128         }
00129         <font class="comment">// commit changes</font>
00130         _DirectInputLibHandle = handle;
00131         _PDirectInput8Create  = cf;
00132         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00133 }
00134 
00135 
00136 <font class="comment">//======================================================</font>
00137 <font class="keywordtype">void</font> CDIEventEmitter::unloadLib()
00138 {
00139         <a class="code" href="debug_8h.html#a6">nlassert</a>(_DirectInputLibHandle != 0);
00140         ::FreeLibrary(_DirectInputLibHandle);
00141         _DirectInputLibHandle = 0;
00142         _PDirectInput8Create = NULL;
00143 }
00144 
00145 <font class="comment">//======================================================</font>
00146 <font class="keywordtype">void</font> CDIEventEmitter::poll(CEventServer *server)
00147 {
00148         <font class="keywordflow">if</font> (_WE) _ButtonsFlags = _WE-&gt;buildFlags();
00149         <font class="keywordflow">if</font> (!server)
00150                 server=&amp;_InternalServer;        
00151         _DeviceServer.poll(server);     
00152 }
00153 
00154 
00155 <font class="comment">//======================================================</font>
00156 <a class="code" href="namespaceNLMISC.html#a297">TMouseButton</a>    CDIEventEmitter::buildButtonsFlags()<font class="keyword"> const</font>
00157 <font class="keyword"></font>{
00158         <a class="code" href="types__nl_8h.html#a14">uint</a> mouseFlags;
00159         <a class="code" href="types__nl_8h.html#a14">uint</a> keybFlags;
00160         <font class="comment">// </font>
00161         <font class="keywordflow">if</font> (_Mouse) <font class="comment">// takes the flags from the direct input mouse</font>
00162         {
00163                 mouseFlags = (_Mouse-&gt;getButton(0) ? <a class="code" href="namespaceNLMISC.html#a297a157">leftButton</a>         : 0)
00164                                          | (_Mouse-&gt;getButton(1) ? <a class="code" href="namespaceNLMISC.html#a297a159">rightButton</a>  : 0)
00165                                          | (_Mouse-&gt;getButton(2) ? <a class="code" href="namespaceNLMISC.html#a297a158">middleButton</a> : 0);
00166         }
00167         <font class="keywordflow">else</font> <font class="comment">// takes the flags from the system mouse</font>
00168         {
00169                 mouseFlags = _ButtonsFlags &amp; (<a class="code" href="namespaceNLMISC.html#a297a157">leftButton</a> | <a class="code" href="namespaceNLMISC.html#a297a159">rightButton</a> | <a class="code" href="namespaceNLMISC.html#a297a158">middleButton</a>);
00170         }
00171         <font class="comment">//</font>
00172         <font class="keywordflow">if</font> (_Keyboard) <font class="comment">// takes the flags from the direct input keyboard</font>
00173         {
00174                 keybFlags = (_Keyboard-&gt;ShiftPressed      ? <a class="code" href="namespaceNLMISC.html#a297a161">shiftButton</a>         : 0)
00175                                         | (_Keyboard-&gt;AltPressed          ? <a class="code" href="namespaceNLMISC.html#a297a162">altButton</a>           : 0)
00176                                         | (_Keyboard-&gt;CtrlPressed         ? <a class="code" href="namespaceNLMISC.html#a297a160">ctrlButton</a>          : 0);
00177         }
00178         <font class="keywordflow">else</font> <font class="comment">// takes the flags from the system keyboard</font>
00179         {
00180                 keybFlags = _ButtonsFlags &amp; (<a class="code" href="namespaceNLMISC.html#a297a161">shiftButton</a> | <a class="code" href="namespaceNLMISC.html#a297a162">altButton</a> | <a class="code" href="namespaceNLMISC.html#a297a160">ctrlButton</a>);
00181         }
00182         <font class="keywordflow">return</font> (TMouseButton) (keybFlags | mouseFlags);
00183 }
00184 
00185 <font class="comment">//======================================================</font>
00186 IMouseDevice    *CDIEventEmitter::getMouseDevice() <font class="keywordflow">throw</font>(EInputDevice)
00187 {
00188         <font class="keywordflow">if</font> (_Mouse) <font class="keywordflow">return</font> _Mouse;      <font class="comment">// already created ?</font>
00189         <font class="keywordflow">try</font>
00190         {
00191                 <font class="comment">// Create a mouse</font>
00192                 std::auto_ptr&lt;CDIMouse&gt; mouse(CDIMouse::createMouseDevice(_DInput8, _hWnd, <font class="keyword">this</font>));      
00193                 <font class="comment">// register to the device server</font>
00194                 _DeviceServer.registerDevice(mouse.get());
00195                 _Mouse = mouse.get();   
00196                 <font class="keywordflow">if</font> (_WE)        _WE-&gt;enableMouseEvents(<font class="keyword">false</font>);          
00197                 <font class="keywordflow">return</font> mouse.release();
00198         }
00199         <font class="keywordflow">catch</font> (...)
00200         {
00201                 <font class="keywordflow">if</font> (_WE)        _WE-&gt;enableMouseEvents(<font class="keyword">true</font>);
00202                 <font class="keywordflow">throw</font>;
00203         }
00204 }
00205 
00206 <font class="comment">//======================================================</font>
00207 <font class="keywordtype">void</font>    CDIEventEmitter::releaseMouse()
00208 {
00209         <font class="keywordflow">if</font> (!_Mouse) <font class="keywordflow">return</font>;
00210         <font class="comment">// reupdate the system keyboard flags</font>
00211         <font class="keywordflow">if</font> (_WE)
00212         {
00213                 _WE-&gt;resetButtonFlagState();
00214                 _WE-&gt;enableMouseEvents(<font class="keyword">true</font>);
00215         }
00216         <font class="comment">// remove the device</font>
00217         _DeviceServer.removeDevice(_Mouse);
00218         <font class="keyword">delete</font> _Mouse;
00219         _Mouse = NULL;
00220 }
00221 
00222 <font class="comment">//===========================================================================</font>
00223 IKeyboardDevice *CDIEventEmitter::getKeyboardDevice() <font class="keywordflow">throw</font>(EInputDevice)
00224 {
00225         <font class="keywordflow">if</font> (_Keyboard) <font class="keywordflow">return</font> _Keyboard;
00226         <font class="comment">// create a keyboard</font>
00227         std::auto_ptr&lt;CDIKeyboard&gt; keyboard(CDIKeyboard::createKeyboardDevice(_DInput8, _hWnd, <font class="keyword">this</font>, _WE));
00228         <font class="comment">// register to the device server</font>
00229         _DeviceServer.registerDevice(keyboard.get());
00230         _Keyboard = keyboard.get();             
00231         <font class="keywordflow">return</font> keyboard.release();
00232 }
00233 
00234 <font class="comment">//==========================================================================</font>
00235 <font class="keywordtype">void</font>    CDIEventEmitter::releaseKeyboard()
00236 {
00237         <font class="keywordflow">if</font> (!_Keyboard) <font class="keywordflow">return</font>;
00238         <font class="comment">// reupdate the system keyboard flags</font>
00239         <font class="keywordflow">if</font> (_WE)        _WE-&gt;resetButtonFlagState();
00240         <font class="comment">//</font>
00241         _DeviceServer.removeDevice(_Keyboard);
00242         <font class="keyword">delete</font> _Keyboard;
00243         _Keyboard = NULL;
00244 }
00245 
00246 
00247 <font class="comment">//==========================================================================</font>
00248 <font class="keywordtype">void</font>    CDIEventEmitter::submitEvents(CEventServer &amp;server)
00249 {
00250         _InternalServer.setServer(&amp;server);
00251         _InternalServer.pump();
00252 }
00253 
00254 <font class="comment">//==========================================================================</font>
00256 <font class="comment">static BOOL CALLBACK DIEnumDevicesDescCallback</font>
00257 (
00258   LPCDIDEVICEINSTANCE lpddi,  
00259   LPVOID pvRef  
00260 )
00261 {
00262         CGameDeviceDesc desc;
00263         desc.InstanceName = lpddi-&gt;tszInstanceName;
00264         desc.ProductName  = lpddi-&gt;tszProductName;
00265         <font class="keywordflow">switch</font> (lpddi-&gt;wUsage &amp; 0xff)
00266         {
00267                 <font class="keywordflow">case</font> DI8DEVTYPE_JOYSTICK: desc.DevType = CGameDeviceDesc::Joystick;  <font class="keywordflow">break</font>;
00268                 <font class="keywordflow">case</font> DI8DEVTYPE_GAMEPAD:  desc.DevType = CGameDeviceDesc::GamePad;       <font class="keywordflow">break</font>;
00269                 <font class="keywordflow">default</font>: desc.DevType = CGameDeviceDesc::DontKnow; <font class="keywordflow">break</font>;
00270         }
00271         <a class="code" href="namespaceNLMISC.html#a167">TDeviceDescVect</a> *dv = (<a class="code" href="namespaceNLMISC.html#a167">TDeviceDescVect</a> *) pvRef;
00272         dv-&gt;push_back(desc);
00273         <font class="keywordflow">return</font> DIENUM_CONTINUE;
00274 }
00275 
00276 
00277 <font class="comment">//==========================================================================</font>
00279 <font class="comment">static BOOL CALLBACK DIEnumDevicesGUIDCallback</font>
00280 (
00281   LPCDIDEVICEINSTANCE lpddi,  
00282   LPVOID pvRef  
00283 )
00284 {       
00285         std::vector&lt;GUID&gt; *gv = (std::vector&lt;GUID&gt; *) pvRef;
00286         gv-&gt;push_back(lpddi-&gt;guidInstance);
00287         <font class="keywordflow">return</font> DIENUM_CONTINUE;
00288 }
00289 
00290 
00291 <font class="comment">//==========================================================================</font>
00292 <font class="keywordtype">void</font>    CDIEventEmitter::enumerateGameDevice(<a class="code" href="namespaceNLMISC.html#a167">TDeviceDescVect</a> &amp;descs) <font class="keywordflow">throw</font>(EInputDevice)
00293 {
00294         <a class="code" href="types__nl_8h.html#a14">uint</a> k;
00295         <a class="code" href="debug_8h.html#a6">nlassert</a>(_DInput8);
00296         descs.clear();
00297         <font class="comment">// enum all devices of interest</font>
00298         _DInput8-&gt;EnumDevices(DI8DEVCLASS_GAMECTRL, &amp;DIEnumDevicesDescCallback, (LPVOID) &amp;descs, DIEDFL_ALLDEVICES);
00299         <font class="keywordflow">for</font> (k = 0; k &lt; descs.size(); ++k) descs[k].Connected = <font class="keyword">false</font>;
00300         <font class="comment">// enum all connected devices</font>
00301         <font class="keyword">static</font> <a class="code" href="namespaceNLMISC.html#a167">TDeviceDescVect</a> connecteds;
00302         _DInput8-&gt;EnumDevices(DI8DEVCLASS_GAMECTRL, &amp;DIEnumDevicesDescCallback, (LPVOID) &amp;connecteds, DIEDFL_ATTACHEDONLY);
00303         <font class="comment">// see which devices are connected</font>
00304         <font class="keywordflow">for</font> (k = 0; k &lt; connecteds.size(); ++k)
00305         {
00306                 TDeviceDescVect::iterator it = std::find(descs.begin(), descs.end(), connecteds[k]);
00307                 it-&gt;Connected = <font class="keyword">true</font>;
00308         }
00309 }
00310 
00311 <font class="comment">//==========================================================================</font>
00312 IGameDevice     *CDIEventEmitter::createGameDevice(<font class="keyword">const</font> std::string &amp;instanceName) <font class="keywordflow">throw</font>(EInputDevice)
00313 {
00314         <font class="keyword">static</font> <a class="code" href="namespaceNLMISC.html#a167">TDeviceDescVect</a>          deviceDescs;
00315         <font class="keyword">static</font> std::vector&lt;GUID&gt;        deviceGUID;
00316 
00317         <a class="code" href="debug_8h.html#a6">nlassert</a>(_DInput8);     
00318         enumerateGameDevice(deviceDescs);
00319         <font class="comment">// get the ID for each device</font>
00320         deviceGUID.clear();
00321         HRESULT <a class="code" href="driver__opengl__extension__def_8h.html#a262">r</a> = _DInput8-&gt;EnumDevices(DI8DEVCLASS_GAMECTRL, &amp;DIEnumDevicesGUIDCallback, (LPVOID) &amp;deviceGUID, DIEDFL_ALLDEVICES);
00322         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a262">r</a> == DI_OK);
00323         <a class="code" href="debug_8h.html#a6">nlassert</a>(deviceDescs.size() == deviceGUID.size());
00324 
00325         <font class="comment">// search the device that match the instance name</font>
00326         <font class="keywordflow">for</font> (<a class="code" href="types__nl_8h.html#a14">uint</a> k = 0;  k &lt; deviceDescs.size(); ++k)
00327         {
00328                 <font class="keywordflow">if</font> (deviceDescs[k].InstanceName == instanceName)
00329                 {
00330                         std::auto_ptr&lt;CDIGameDevice&gt; gd(CDIGameDevice::createGameDevice(_DInput8, _hWnd, <font class="keyword">this</font>, deviceDescs[k], deviceGUID[k]));
00331                         <font class="comment">// insert in the device server</font>
00332                         _DeviceServer.registerDevice(gd.get());                 
00333                         <font class="keywordflow">return</font> gd.release();
00334                 }
00335         }
00336         <font class="keywordflow">return</font> NULL;
00337 }       
00338 
00339 <font class="comment">//==========================================================================</font>
00340 <font class="keywordtype">void</font>    CDIEventEmitter::releaseGameDevice(IGameDevice  *gd)
00341 {
00342         <a class="code" href="debug_8h.html#a6">nlassert</a>(gd);
00343         CDIGameDevice *digd = safe_cast&lt;CDIGameDevice *&gt;(gd);
00344         _DeviceServer.removeDevice(digd);
00345         <font class="keyword">delete</font> gd;
00346 }
00347 
00348 
00349 } <font class="comment">// NLMISC</font>
00350 
00351 <font class="preprocessor">#endif // NL_OS_WINDOWS</font>
</pre></div>

<!-- footer -->
<BR><FONT Size=+5>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </FONT>
</TD>
<TD WIDTH=15><IMG  SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD>
</TR>
</TABLE>
</BODY>
</HTML>