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comparison mupdf-source/thirdparty/freeglut/src/mswin/fg_joystick_mswin.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * fg_joystick_mswin.c
3 *
4 * The Windows-specific mouse cursor related stuff.
5 *
6 * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
7 * Written by John F. Fay, <fayjf@sourceforge.net>
8 * Creation date: Sat Jan 28, 2012
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
24 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
25 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 */
27
28 #include <GL/freeglut.h>
29 #include "../fg_internal.h"
30
31
32 #if !defined(_WIN32_WCE)
33 # include <windows.h>
34 # include <mmsystem.h>
35 # include <regstr.h>
36
37
38
39
40 void fgPlatformJoystickRawRead( SFG_Joystick* joy, int* buttons, float* axes )
41 {
42 MMRESULT status;
43
44 status = joyGetPosEx( joy->pJoystick.js_id, &joy->pJoystick.js );
45
46 if ( status != JOYERR_NOERROR )
47 {
48 joy->error = GL_TRUE;
49 return;
50 }
51
52 if ( buttons )
53 *buttons = joy->pJoystick.js.dwButtons;
54
55 if ( axes )
56 {
57 /*
58 * WARNING - Fall through case clauses!!
59 */
60 switch ( joy->num_axes )
61 {
62 case 8:
63 /* Generate two POV axes from the POV hat angle.
64 * Low 16 bits of js.dwPOV gives heading (clockwise from ahead) in
65 * hundredths of a degree, or 0xFFFF when idle.
66 */
67 if ( ( joy->pJoystick.js.dwPOV & 0xFFFF ) == 0xFFFF )
68 {
69 axes [ 6 ] = 0.0;
70 axes [ 7 ] = 0.0;
71 }
72 else
73 {
74 /* This is the contentious bit: how to convert angle to X/Y.
75 * wk: I know of no define for PI that we could use here:
76 * SG_PI would pull in sg, M_PI is undefined for MSVC
77 * But the accuracy of the value of PI is very unimportant at
78 * this point.
79 */
80 float s = (float) sin ( ( joy->pJoystick.js.dwPOV & 0xFFFF ) * ( 0.01 * 3.1415926535f / 180.0f ) );
81 float c = (float) cos ( ( joy->pJoystick.js.dwPOV & 0xFFFF ) * ( 0.01 * 3.1415926535f / 180.0f ) );
82
83 /* Convert to coordinates on a square so that North-East
84 * is (1,1) not (.7,.7), etc.
85 * s and c cannot both be zero so we won't divide by zero.
86 */
87 if ( fabs ( s ) < fabs ( c ) )
88 {
89 axes [ 6 ] = ( c < 0.0 ) ? -s/c : s/c ;
90 axes [ 7 ] = ( c < 0.0 ) ? -1.0f : 1.0f;
91 }
92 else
93 {
94 axes [ 6 ] = ( s < 0.0 ) ? -1.0f : 1.0f;
95 axes [ 7 ] = ( s < 0.0 ) ? -c/s : c/s ;
96 }
97 }
98
99 case 6: axes[5] = (float) joy->pJoystick.js.dwVpos;
100 case 5: axes[4] = (float) joy->pJoystick.js.dwUpos;
101 case 4: axes[3] = (float) joy->pJoystick.js.dwRpos;
102 case 3: axes[2] = (float) joy->pJoystick.js.dwZpos;
103 case 2: axes[1] = (float) joy->pJoystick.js.dwYpos;
104 case 1: axes[0] = (float) joy->pJoystick.js.dwXpos;
105 }
106 }
107 }
108
109
110
111 /* Inspired by
112 http://msdn.microsoft.com/archive/en-us/dnargame/html/msdn_sidewind3d.asp
113 */
114 # if FREEGLUT_LIB_PRAGMAS
115 # pragma comment (lib, "advapi32.lib")
116 # endif
117
118 static int fghJoystickGetOEMProductName ( SFG_Joystick* joy, char *buf, int buf_sz )
119 {
120 char buffer [ 256 ];
121
122 char OEMKey [ 256 ];
123
124 HKEY hKey;
125 DWORD dwcb;
126 LONG lr;
127
128 if ( joy->error )
129 return 0;
130
131 /* Open .. MediaResources\CurrentJoystickSettings */
132 _snprintf ( buffer, sizeof(buffer), "%s\\%s\\%s",
133 REGSTR_PATH_JOYCONFIG, joy->pJoystick.jsCaps.szRegKey,
134 REGSTR_KEY_JOYCURR );
135
136 lr = RegOpenKeyEx ( HKEY_LOCAL_MACHINE, buffer, 0, KEY_QUERY_VALUE, &hKey);
137
138 if ( lr != ERROR_SUCCESS ) return 0;
139
140 /* Get OEM Key name */
141 dwcb = sizeof(OEMKey);
142
143 /* JOYSTICKID1-16 is zero-based; registry entries for VJOYD are 1-based. */
144 _snprintf ( buffer, sizeof(buffer), "Joystick%d%s", joy->pJoystick.js_id + 1, REGSTR_VAL_JOYOEMNAME );
145
146 lr = RegQueryValueEx ( hKey, buffer, 0, 0, (LPBYTE) OEMKey, &dwcb);
147 RegCloseKey ( hKey );
148
149 if ( lr != ERROR_SUCCESS ) return 0;
150
151 /* Open OEM Key from ...MediaProperties */
152 _snprintf ( buffer, sizeof(buffer), "%s\\%s", REGSTR_PATH_JOYOEM, OEMKey );
153
154 lr = RegOpenKeyEx ( HKEY_LOCAL_MACHINE, buffer, 0, KEY_QUERY_VALUE, &hKey );
155
156 if ( lr != ERROR_SUCCESS ) return 0;
157
158 /* Get OEM Name */
159 dwcb = buf_sz;
160
161 lr = RegQueryValueEx ( hKey, REGSTR_VAL_JOYOEMNAME, 0, 0, (LPBYTE) buf,
162 &dwcb );
163 RegCloseKey ( hKey );
164
165 if ( lr != ERROR_SUCCESS ) return 0;
166
167 return 1;
168 }
169
170
171 void fgPlatformJoystickOpen( SFG_Joystick* joy )
172 {
173 int i = 0;
174
175 joy->pJoystick.js.dwFlags = JOY_RETURNALL;
176 joy->pJoystick.js.dwSize = sizeof( joy->pJoystick.js );
177
178 memset( &joy->pJoystick.jsCaps, 0, sizeof( joy->pJoystick.jsCaps ) );
179
180 joy->error =
181 ( joyGetDevCaps( joy->pJoystick.js_id, &joy->pJoystick.jsCaps, sizeof( joy->pJoystick.jsCaps ) ) !=
182 JOYERR_NOERROR );
183
184 if( joy->pJoystick.jsCaps.wNumAxes == 0 )
185 {
186 joy->num_axes = 0;
187 joy->error = GL_TRUE;
188 }
189 else
190 {
191 /* Device name from jsCaps is often "Microsoft PC-joystick driver",
192 * at least for USB. Try to get the real name from the registry.
193 */
194 if ( ! fghJoystickGetOEMProductName( joy, joy->name,
195 sizeof( joy->name ) ) )
196 {
197 fgWarning( "JS: Failed to read joystick name from registry" );
198 strncpy( joy->name, joy->pJoystick.jsCaps.szPname, sizeof( joy->name ) );
199 }
200
201 /* Windows joystick drivers may provide any combination of
202 * X,Y,Z,R,U,V,POV - not necessarily the first n of these.
203 */
204 if( joy->pJoystick.jsCaps.wCaps & JOYCAPS_HASPOV )
205 {
206 joy->num_axes = _JS_MAX_AXES;
207 joy->min[ 7 ] = -1.0; joy->max[ 7 ] = 1.0; /* POV Y */
208 joy->min[ 6 ] = -1.0; joy->max[ 6 ] = 1.0; /* POV X */
209 }
210 else
211 joy->num_axes = 6;
212
213 joy->min[ 5 ] = ( float )joy->pJoystick.jsCaps.wVmin;
214 joy->max[ 5 ] = ( float )joy->pJoystick.jsCaps.wVmax;
215 joy->min[ 4 ] = ( float )joy->pJoystick.jsCaps.wUmin;
216 joy->max[ 4 ] = ( float )joy->pJoystick.jsCaps.wUmax;
217 joy->min[ 3 ] = ( float )joy->pJoystick.jsCaps.wRmin;
218 joy->max[ 3 ] = ( float )joy->pJoystick.jsCaps.wRmax;
219 joy->min[ 2 ] = ( float )joy->pJoystick.jsCaps.wZmin;
220 joy->max[ 2 ] = ( float )joy->pJoystick.jsCaps.wZmax;
221 joy->min[ 1 ] = ( float )joy->pJoystick.jsCaps.wYmin;
222 joy->max[ 1 ] = ( float )joy->pJoystick.jsCaps.wYmax;
223 joy->min[ 0 ] = ( float )joy->pJoystick.jsCaps.wXmin;
224 joy->max[ 0 ] = ( float )joy->pJoystick.jsCaps.wXmax;
225 }
226
227 /* Guess all the rest judging on the axes extremals */
228 for( i = 0; i < joy->num_axes; i++ )
229 {
230 joy->center [ i ] = ( joy->max[ i ] + joy->min[ i ] ) * 0.5f;
231 joy->dead_band[ i ] = 0.0f;
232 joy->saturate [ i ] = 1.0f;
233 }
234 }
235
236
237
238 void fgPlatformJoystickInit( SFG_Joystick *fgJoystick[], int ident )
239 {
240 switch( ident )
241 {
242 case 0:
243 fgJoystick[ ident ]->pJoystick.js_id = JOYSTICKID1;
244 fgJoystick[ ident ]->error = GL_FALSE;
245 break;
246 case 1:
247 fgJoystick[ ident ]->pJoystick.js_id = JOYSTICKID2;
248 fgJoystick[ ident ]->error = GL_FALSE;
249 break;
250 default:
251 fgJoystick[ ident ]->num_axes = 0;
252 fgJoystick[ ident ]->error = GL_TRUE;
253 return;
254 }
255 }
256
257
258
259 void fgPlatformJoystickClose ( int ident )
260 {
261 /* Do nothing special */
262 }
263 #endif
264