Mercurial > sdl-ios-xcode
annotate src/video/win32/SDL_win32mouse.c @ 3771:8cc36a399a12 gsoc2008_manymouse
comments added and improved code look(windows part)
| author | Szymon Wilczek <kazeuser@gmail.com> |
|---|---|
| date | Sat, 02 Aug 2008 14:02:28 +0000 |
| parents | 81b649bad6d2 |
| children | 8b5b67000dc0 |
| rev | line source |
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| 3768 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997-2006 Sam Lantinga | |
| 4 | |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Lesser General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2.1 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Lesser General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Lesser General Public | |
| 16 License along with this library; if not, write to the Free Software | |
| 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | |
| 19 Sam Lantinga | |
| 20 slouken@libsdl.org | |
| 21 */ | |
| 22 | |
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23 /*we need to define it, so that raw input is included*/ |
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24 |
| 3768 | 25 #if (_WIN32_WINNT < 0x0501) |
| 26 #undef _WIN32_WINNT | |
| 27 #define _WIN32_WINNT 0x0501 | |
| 28 #endif | |
| 29 | |
| 30 #include "SDL_config.h" | |
| 31 | |
| 32 #include "SDL_win32video.h" | |
| 33 | |
| 34 #include "../../events/SDL_mouse_c.h" | |
| 35 | |
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36 #include <wintab.h> |
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37 #define PACKETDATA ( PK_X | PK_Y | PK_BUTTONS | PK_NORMAL_PRESSURE) |
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38 #define PACKETMODE 0 |
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39 #include <pktdef.h> |
| 3768 | 40 |
| 41 extern HANDLE* mice; | |
| 42 | |
| 43 extern int total_mice; | |
| 44 | |
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45 extern int tablet; |
| 3768 | 46 |
| 47 void | |
| 48 WIN_InitMouse(_THIS) | |
| 49 { | |
| 50 int index=0; | |
| 51 RAWINPUTDEVICELIST *deviceList=NULL; | |
| 52 int devCount=0; | |
| 53 int i; | |
| 54 int tmp=0; | |
| 55 char* buffer=NULL; | |
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56 char* tab="wacom";/*since windows does't give us handles to tablets, we have to detect a tablet by it's name*/ |
| 3768 | 57 |
| 58 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; | |
| 59 | |
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60 /*we're checking for the number of rawinput devices*/ |
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61 |
| 3768 | 62 if(GetRawInputDeviceList(NULL,&devCount,sizeof(RAWINPUTDEVICELIST))) |
| 63 { | |
| 64 return; | |
| 65 } | |
| 66 else | |
| 67 { | |
| 68 deviceList = SDL_malloc(sizeof(RAWINPUTDEVICELIST)*devCount); | |
| 69 } | |
| 70 | |
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71 /*we're getting the raw input device list*/ |
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72 |
| 3768 | 73 GetRawInputDeviceList(deviceList,&devCount,sizeof(RAWINPUTDEVICELIST)); |
| 74 | |
| 75 mice = SDL_malloc(devCount*sizeof(HANDLE)); | |
| 76 | |
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77 /*we're getting the details of the devices*/ |
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78 |
| 3768 | 79 for(i=0;i<devCount;++i) |
| 80 { | |
| 81 int j; | |
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82 int k; |
| 3768 | 83 char *default_device_name="Pointing device xx"; |
| 84 const char *reg_key_root = "System\\CurrentControlSet\\Enum\\"; | |
| 85 char *device_name=SDL_malloc(256*sizeof(char)); | |
| 86 char *key_name=NULL; | |
| 87 char *tmp_name=NULL; | |
| 88 LONG rc = 0; | |
| 89 HKEY hkey; | |
| 90 DWORD regtype = REG_SZ; | |
| 91 DWORD out=256*sizeof(char); | |
| 92 SDL_Mouse mouse; | |
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93 int l; |
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94 if(deviceList[i].dwType!=RIM_TYPEMOUSE) /*if a device isn't a mouse type we don't want it*/ |
| 3768 | 95 { |
| 96 continue; | |
| 97 } | |
| 98 if(GetRawInputDeviceInfoA(deviceList[i].hDevice, RIDI_DEVICENAME, NULL, &tmp)<0) | |
| 99 { | |
| 100 continue; | |
| 101 } | |
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102 |
| 3768 | 103 buffer = SDL_malloc((tmp+1)*sizeof(char)); |
| 104 key_name = SDL_malloc(tmp + sizeof(reg_key_root)*sizeof(char)); | |
| 105 | |
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106 /*we're getting the device registry path and polishing it to get it's name, |
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107 surely there must be an easier way, but we haven't found it yet*/ |
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108 |
| 3768 | 109 if(GetRawInputDeviceInfoA(deviceList[i].hDevice, RIDI_DEVICENAME, buffer, &tmp)<0) |
| 110 { | |
| 111 continue; | |
| 112 } | |
| 113 | |
| 114 buffer+=4; | |
| 115 tmp-=4; | |
| 116 | |
| 117 tmp_name=buffer; | |
| 118 for(j=0;j<tmp;++j) | |
| 119 { | |
| 120 if(*tmp_name=='#') | |
| 121 { | |
| 122 *tmp_name='\\'; | |
| 123 } | |
| 124 else if(*tmp_name=='{') | |
| 125 { | |
| 126 break; | |
| 127 } | |
| 128 ++tmp_name; | |
| 129 } | |
| 130 *tmp_name='\0'; | |
| 131 | |
| 132 SDL_memcpy(key_name, reg_key_root, SDL_strlen (reg_key_root)); | |
| 133 SDL_memcpy(key_name + (SDL_strlen (reg_key_root)), buffer, j + 1); | |
| 134 | |
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135 /*we're opening the registry key to get the mouse name*/ |
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136 |
| 3768 | 137 rc = RegOpenKeyExA(HKEY_LOCAL_MACHINE, key_name, 0, KEY_READ, &hkey); |
| 138 | |
| 139 if (rc != ERROR_SUCCESS) | |
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140 { |
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141 SDL_memcpy(device_name, default_device_name, SDL_strlen(default_device_name)); |
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142 } |
| 3768 | 143 |
| 144 rc = RegQueryValueExA(hkey, "DeviceDesc", NULL, ®type, device_name, &out); | |
| 145 RegCloseKey(hkey); | |
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146 |
| 3768 | 147 if (rc != ERROR_SUCCESS) |
| 148 { | |
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149 SDL_memcpy(device_name, default_device_name, SDL_strlen(default_device_name)); |
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150 } |
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151 /*we're saving the handle to the device*/ |
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152 mice[index]=deviceList[i].hDevice; |
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153 SDL_zero(mouse); |
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154 SDL_SetIndexId(index,index); |
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155 l=SDL_strlen(device_name); |
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156 /*we're checking if the device isn't by any chance a tablet*/ |
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157 if(tablet==-1) |
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158 { |
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159 for(j=0;j<l-5;++j) |
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160 { |
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161 for(k=0;k<5;++k) |
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162 { |
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163 if(tab[k]!=SDL_tolower((unsigned char)device_name[j+k])) |
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164 { |
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165 break; |
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166 } |
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167 } |
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168 if(k==5) |
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169 { |
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170 tablet=index; |
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171 break; |
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172 } |
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173 } |
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174 } |
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175 /*if it's a tablet, let's read it's maximum and minimum pressure*/ |
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176 if(tablet==index) |
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177 { |
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178 AXIS pressure; |
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179 WTInfo(WTI_DEVICES,DVC_NPRESSURE, &pressure); |
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180 data->mouse = SDL_AddMouse(&mouse, index,device_name,pressure.axMax,pressure.axMin); |
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181 } |
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182 else |
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183 { |
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184 data->mouse = SDL_AddMouse(&mouse, index,device_name,0,0); |
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185 } |
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186 ++index; |
| 3768 | 187 |
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188 SDL_free(buffer); |
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189 SDL_free(key_name); |
| 3768 | 190 } |
| 191 total_mice=index; | |
| 192 SDL_free(deviceList); | |
| 193 } | |
| 194 | |
| 195 void | |
| 196 WIN_QuitMouse(_THIS) | |
| 197 { | |
| 198 int i; | |
| 199 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; | |
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200 /*let's delete all of the mouses*/ |
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201 SDL_MouseQuit(); |
| 3768 | 202 } |
| 203 | |
| 204 /* vi: set ts=4 sw=4 expandtab: */ | |
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205 |