Mercurial > sdl-ios-xcode
comparison src/video/win32/SDL_win32mouse.c @ 2710:44e49d3fa6cf
Final merge of Google Summer of Code 2008 work...
Many-mouse and tablet support
by Szymon Wilczek, mentored by Ryan C. Gordon
Everything concerning the project is noted on the wiki:
http://wilku.ravenlord.ws/doku.php?id=start
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 25 Aug 2008 06:33:00 +0000 |
parents | c121d94672cb |
children | 0e2b65f32298 |
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2709:fd3f0f1147e7 | 2710:44e49d3fa6cf |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | 18 |
19 Sam Lantinga | 19 Sam Lantinga |
20 slouken@libsdl.org | 20 slouken@libsdl.org |
21 */ | 21 */ |
22 | |
23 /* we need to define it, so that raw input is included*/ | |
24 | |
25 #if (_WIN32_WINNT < 0x0501) | |
26 #undef _WIN32_WINNT | |
27 #define _WIN32_WINNT 0x0501 | |
28 #endif | |
29 | |
22 #include "SDL_config.h" | 30 #include "SDL_config.h" |
23 | 31 |
24 #include "SDL_win32video.h" | 32 #include "SDL_win32video.h" |
25 | 33 |
26 #include "../../events/SDL_mouse_c.h" | 34 #include "../../events/SDL_mouse_c.h" |
35 | |
36 #include <wintab.h> | |
37 | |
38 #define PACKETDATA ( PK_X | PK_Y | PK_BUTTONS | PK_NORMAL_PRESSURE | PK_CURSOR) | |
39 #define PACKETMODE 0 | |
40 #include <pktdef.h> | |
41 extern HANDLE *mice; | |
42 extern int total_mice; | |
43 extern int tablet; | |
27 | 44 |
28 void | 45 void |
29 WIN_InitMouse(_THIS) | 46 WIN_InitMouse(_THIS) |
30 { | 47 { |
48 int index = 0; | |
49 RAWINPUTDEVICELIST *deviceList = NULL; | |
50 int devCount = 0; | |
51 int i; | |
52 int tmp = 0; | |
53 char *buffer = NULL; | |
54 char *tab = "wacom"; /* since windows does't give us handles to tablets, we have to detect a tablet by it's name */ | |
55 const char *rdp = "rdp_mou"; | |
31 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; | 56 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; |
32 SDL_Mouse mouse; | 57 |
33 | 58 /* we're checking for the number of rawinput devices */ |
34 SDL_zero(mouse); | 59 if (GetRawInputDeviceList(NULL, &devCount, sizeof(RAWINPUTDEVICELIST))) { |
35 data->mouse = SDL_AddMouse(&mouse, -1); | 60 return; |
61 } | |
62 | |
63 deviceList = SDL_malloc(sizeof(RAWINPUTDEVICELIST) * devCount); | |
64 | |
65 /* we're getting the raw input device list */ | |
66 GetRawInputDeviceList(deviceList, &devCount, sizeof(RAWINPUTDEVICELIST)); | |
67 mice = SDL_malloc(devCount * sizeof(HANDLE)); | |
68 | |
69 /* we're getting the details of the devices */ | |
70 for (i = 0; i < devCount; ++i) { | |
71 int is_rdp = 0; | |
72 int j; | |
73 int k; | |
74 char *default_device_name = "Pointing device xx"; | |
75 const char *reg_key_root = "System\\CurrentControlSet\\Enum\\"; | |
76 char *device_name = SDL_malloc(256 * sizeof(char)); | |
77 char *key_name = NULL; | |
78 char *tmp_name = NULL; | |
79 LONG rc = 0; | |
80 HKEY hkey; | |
81 DWORD regtype = REG_SZ; | |
82 DWORD out = 256 * sizeof(char); | |
83 SDL_Mouse mouse; | |
84 int l; | |
85 if (deviceList[i].dwType != RIM_TYPEMOUSE) { /* if a device isn't a mouse type we don't want it */ | |
86 continue; | |
87 } | |
88 if (GetRawInputDeviceInfoA | |
89 (deviceList[i].hDevice, RIDI_DEVICENAME, NULL, &tmp) < 0) { | |
90 continue; | |
91 } | |
92 buffer = SDL_malloc((tmp + 1) * sizeof(char)); | |
93 key_name = SDL_malloc(tmp + sizeof(reg_key_root) * sizeof(char)); | |
94 | |
95 /* we're getting the device registry path and polishing it to get it's name, | |
96 surely there must be an easier way, but we haven't found it yet */ | |
97 if (GetRawInputDeviceInfoA | |
98 (deviceList[i].hDevice, RIDI_DEVICENAME, buffer, &tmp) < 0) { | |
99 continue; | |
100 } | |
101 buffer += 4; | |
102 tmp -= 4; | |
103 tmp_name = buffer; | |
104 for (j = 0; j < tmp; ++j) { | |
105 if (*tmp_name == '#') { | |
106 *tmp_name = '\\'; | |
107 } | |
108 | |
109 else if (*tmp_name == '{') { | |
110 break; | |
111 } | |
112 ++tmp_name; | |
113 } | |
114 *tmp_name = '\0'; | |
115 SDL_memcpy(key_name, reg_key_root, SDL_strlen(reg_key_root)); | |
116 SDL_memcpy(key_name + (SDL_strlen(reg_key_root)), buffer, j + 1); | |
117 l = SDL_strlen(key_name); | |
118 is_rdp = 0; | |
119 if (l >= 7) { | |
120 for (j = 0; j < l - 7; ++j) { | |
121 for (k = 0; k < 7; ++k) { | |
122 if (rdp[k] != | |
123 SDL_tolower((unsigned char) key_name[j + k])) { | |
124 break; | |
125 } | |
126 } | |
127 if (k == 7) { | |
128 is_rdp = 1; | |
129 break; | |
130 } | |
131 } | |
132 } | |
133 if (is_rdp == 1) { | |
134 SDL_free(buffer); | |
135 SDL_free(key_name); | |
136 SDL_free(device_name); | |
137 is_rdp = 0; | |
138 continue; | |
139 } | |
140 | |
141 /* we're opening the registry key to get the mouse name */ | |
142 rc = RegOpenKeyExA(HKEY_LOCAL_MACHINE, key_name, 0, KEY_READ, &hkey); | |
143 if (rc != ERROR_SUCCESS) { | |
144 SDL_memcpy(device_name, default_device_name, | |
145 SDL_strlen(default_device_name)); | |
146 } | |
147 rc = RegQueryValueExA(hkey, "DeviceDesc", NULL, ®type, device_name, | |
148 &out); | |
149 RegCloseKey(hkey); | |
150 if (rc != ERROR_SUCCESS) { | |
151 SDL_memcpy(device_name, default_device_name, | |
152 SDL_strlen(default_device_name)); | |
153 } | |
154 | |
155 /* we're saving the handle to the device */ | |
156 mice[index] = deviceList[i].hDevice; | |
157 SDL_zero(mouse); | |
158 SDL_SetMouseIndexId(index, index); | |
159 l = SDL_strlen(device_name); | |
160 | |
161 /* we're checking if the device isn't by any chance a tablet */ | |
162 if (tablet == -1) { | |
163 for (j = 0; j < l - 5; ++j) { | |
164 for (k = 0; k < 5; ++k) { | |
165 if (tab[k] != | |
166 SDL_tolower((unsigned char) device_name[j + k])) { | |
167 break; | |
168 } | |
169 } | |
170 if (k == 5) { | |
171 tablet = index; | |
172 break; | |
173 } | |
174 } | |
175 } | |
176 | |
177 /* if it's a tablet, let's read it's maximum and minimum pressure */ | |
178 if (tablet == index) { | |
179 AXIS pressure; | |
180 int cursors; | |
181 WTInfo(WTI_DEVICES, DVC_NPRESSURE, &pressure); | |
182 WTInfo(WTI_DEVICES, DVC_NCSRTYPES, &cursors); | |
183 data->mouse = | |
184 SDL_AddMouse(&mouse, index, device_name, pressure.axMax, | |
185 pressure.axMin, cursors); | |
186 } else { | |
187 data->mouse = SDL_AddMouse(&mouse, index, device_name, 0, 0, 1); | |
188 } | |
189 ++index; | |
190 SDL_free(buffer); | |
191 SDL_free(key_name); | |
192 } | |
193 total_mice = index; | |
194 SDL_free(deviceList); | |
36 } | 195 } |
37 | 196 |
38 void | 197 void |
39 WIN_QuitMouse(_THIS) | 198 WIN_QuitMouse(_THIS) |
40 { | 199 { |
41 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; | 200 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; |
42 | 201 |
43 SDL_DelMouse(data->mouse); | 202 /* let's delete all of the mice */ |
203 SDL_MouseQuit(); | |
44 } | 204 } |
45 | 205 |
46 /* vi: set ts=4 sw=4 expandtab: */ | 206 /* vi: set ts=4 sw=4 expandtab: */ |