Mercurial > sdl-ios-xcode
annotate src/events/SDL_events.c @ 3729:b7590cd5969d gsoc2009_unit_tests
Minor fix.
author | Edgar Simo <bobbens@gmail.com> |
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date | Sun, 12 Jul 2009 11:18:59 +0000 |
parents | ffe22900a50a |
children | 82ce350be859 |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
2859 | 3 Copyright (C) 1997-2009 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
0 | 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 | |
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13 Lesser General Public License for more details. |
0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Sam Lantinga | |
252
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20 slouken@libsdl.org |
0 | 21 */ |
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22 #include "SDL_config.h" |
0 | 23 |
24 /* General event handling code for SDL */ | |
25 | |
26 #include "SDL.h" | |
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27 #include "SDL_events.h" |
0 | 28 #include "SDL_syswm.h" |
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29 #include "SDL_thread.h" |
0 | 30 #include "SDL_sysevents.h" |
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31 #include "SDL_events_c.h" |
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32 #include "../timer/SDL_timer_c.h" |
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33 #if !SDL_JOYSTICK_DISABLED |
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34 #include "../joystick/SDL_joystick_c.h" |
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35 #endif |
0 | 36 |
37 /* Public data -- the event filter */ | |
38 SDL_EventFilter SDL_EventOK = NULL; | |
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39 void *SDL_EventOKParam; |
0 | 40 Uint8 SDL_ProcessEvents[SDL_NUMEVENTS]; |
41 static Uint32 SDL_eventstate = 0; | |
42 | |
43 /* Private data -- event queue */ | |
44 #define MAXEVENTS 128 | |
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45 static struct |
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46 { |
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47 SDL_mutex *lock; |
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48 int active; |
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49 int head; |
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50 int tail; |
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51 SDL_Event event[MAXEVENTS]; |
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52 int wmmsg_next; |
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53 struct SDL_SysWMmsg wmmsg[MAXEVENTS]; |
0 | 54 } SDL_EventQ; |
55 | |
56 /* Private data -- event locking structure */ | |
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57 static struct |
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58 { |
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59 SDL_mutex *lock; |
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60 int safe; |
0 | 61 } SDL_EventLock; |
62 | |
63 /* Thread functions */ | |
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64 static SDL_Thread *SDL_EventThread = NULL; /* Thread handle */ |
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65 static Uint32 event_thread; /* The event thread id */ |
0 | 66 |
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67 void |
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68 SDL_Lock_EventThread(void) |
0 | 69 { |
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70 if (SDL_EventThread && (SDL_ThreadID() != event_thread)) { |
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71 /* Grab lock and spin until we're sure event thread stopped */ |
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72 SDL_mutexP(SDL_EventLock.lock); |
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73 while (!SDL_EventLock.safe) { |
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74 SDL_Delay(1); |
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75 } |
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76 } |
0 | 77 } |
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78 |
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79 void |
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80 SDL_Unlock_EventThread(void) |
0 | 81 { |
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82 if (SDL_EventThread && (SDL_ThreadID() != event_thread)) { |
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83 SDL_mutexV(SDL_EventLock.lock); |
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84 } |
0 | 85 } |
86 | |
1190 | 87 #ifdef __OS2__ |
88 /* | |
89 * We'll increase the priority of GobbleEvents thread, so it will process | |
90 * events in time for sure! For this, we need the DosSetPriority() API | |
91 * from the os2.h include file. | |
92 */ | |
93 #define INCL_DOSPROCESS | |
94 #include <os2.h> | |
95 #include <time.h> | |
96 #endif | |
97 | |
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98 static int SDLCALL |
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99 SDL_GobbleEvents(void *unused) |
0 | 100 { |
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101 event_thread = SDL_ThreadID(); |
1190 | 102 |
103 #ifdef __OS2__ | |
104 #ifdef USE_DOSSETPRIORITY | |
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105 /* Increase thread priority, so it will process events in time for sure! */ |
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106 DosSetPriority(PRTYS_THREAD, PRTYC_REGULAR, +16, 0); |
1190 | 107 #endif |
108 #endif | |
109 | |
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110 while (SDL_EventQ.active) { |
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111 SDL_VideoDevice *_this = SDL_GetVideoDevice(); |
0 | 112 |
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113 /* Get events from the video subsystem */ |
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114 if (_this) { |
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115 _this->PumpEvents(_this); |
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116 } |
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117 #if !SDL_JOYSTICK_DISABLED |
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118 /* Check for joystick state change */ |
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119 if (SDL_numjoysticks && (SDL_eventstate & SDL_JOYEVENTMASK)) { |
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120 SDL_JoystickUpdate(); |
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121 } |
0 | 122 #endif |
123 | |
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124 /* Give up the CPU for the rest of our timeslice */ |
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125 SDL_EventLock.safe = 1; |
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126 if (SDL_timer_running) { |
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127 SDL_ThreadedTimerCheck(); |
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128 } |
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129 SDL_Delay(1); |
0 | 130 |
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131 /* Check for event locking. |
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132 On the P of the lock mutex, if the lock is held, this thread |
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133 will wait until the lock is released before continuing. The |
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134 safe flag will be set, meaning that the other thread can go |
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135 about it's business. The safe flag is reset before the V, |
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136 so as soon as the mutex is free, other threads can see that |
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137 it's not safe to interfere with the event thread. |
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138 */ |
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139 SDL_mutexP(SDL_EventLock.lock); |
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140 SDL_EventLock.safe = 0; |
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141 SDL_mutexV(SDL_EventLock.lock); |
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142 } |
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143 SDL_SetTimerThreaded(0); |
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144 event_thread = 0; |
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145 return (0); |
0 | 146 } |
147 | |
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148 static int |
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149 SDL_StartEventThread(Uint32 flags) |
0 | 150 { |
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151 /* Reset everything to zero */ |
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152 SDL_EventThread = NULL; |
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153 SDL_memset(&SDL_EventLock, 0, sizeof(SDL_EventLock)); |
0 | 154 |
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155 /* Create the lock and set ourselves active */ |
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156 #if !SDL_THREADS_DISABLED |
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157 SDL_EventQ.lock = SDL_CreateMutex(); |
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158 if (SDL_EventQ.lock == NULL) { |
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159 return (-1); |
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160 } |
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161 #endif /* !SDL_THREADS_DISABLED */ |
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162 SDL_EventQ.active = 1; |
0 | 163 |
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164 if ((flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD) { |
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165 SDL_EventLock.lock = SDL_CreateMutex(); |
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166 if (SDL_EventLock.lock == NULL) { |
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167 return (-1); |
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168 } |
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169 SDL_EventLock.safe = 0; |
0 | 170 |
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171 /* The event thread will handle timers too */ |
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172 SDL_SetTimerThreaded(2); |
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173 #if (defined(__WIN32__) && !defined(_WIN32_WCE)) && !defined(HAVE_LIBC) |
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174 #undef SDL_CreateThread |
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175 SDL_EventThread = |
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176 SDL_CreateThread(SDL_GobbleEvents, NULL, NULL, NULL); |
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177 #else |
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178 SDL_EventThread = SDL_CreateThread(SDL_GobbleEvents, NULL); |
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179 #endif |
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180 if (SDL_EventThread == NULL) { |
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181 return (-1); |
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182 } |
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183 } else { |
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184 event_thread = 0; |
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185 } |
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186 return (0); |
0 | 187 } |
188 | |
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189 static void |
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190 SDL_StopEventThread(void) |
0 | 191 { |
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192 SDL_EventQ.active = 0; |
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193 if (SDL_EventThread) { |
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194 SDL_WaitThread(SDL_EventThread, NULL); |
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195 SDL_EventThread = NULL; |
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196 SDL_DestroyMutex(SDL_EventLock.lock); |
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197 } |
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198 #ifndef IPOD |
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199 if (SDL_EventQ.lock) { |
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200 SDL_DestroyMutex(SDL_EventQ.lock); |
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201 SDL_EventQ.lock = NULL; |
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202 } |
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203 #endif |
0 | 204 } |
205 | |
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206 Uint32 |
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207 SDL_EventThreadID(void) |
0 | 208 { |
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209 return (event_thread); |
0 | 210 } |
211 | |
212 /* Public functions */ | |
213 | |
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214 void |
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215 SDL_StopEventLoop(void) |
0 | 216 { |
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217 /* Halt the event thread, if running */ |
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218 SDL_StopEventThread(); |
0 | 219 |
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220 /* Shutdown event handlers */ |
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221 SDL_KeyboardQuit(); |
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222 SDL_MouseQuit(); |
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223 SDL_QuitQuit(); |
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224 |
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225 /* Clean out EventQ */ |
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226 SDL_EventQ.head = 0; |
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227 SDL_EventQ.tail = 0; |
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228 SDL_EventQ.wmmsg_next = 0; |
0 | 229 } |
230 | |
231 /* This function (and associated calls) may be called more than once */ | |
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232 int |
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233 SDL_StartEventLoop(Uint32 flags) |
0 | 234 { |
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235 int retcode; |
0 | 236 |
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237 /* Clean out the event queue */ |
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238 SDL_EventThread = NULL; |
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239 SDL_EventQ.lock = NULL; |
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240 SDL_StopEventLoop(); |
0 | 241 |
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242 /* No filter to start with, process most event types */ |
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243 SDL_EventOK = NULL; |
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244 SDL_memset(SDL_ProcessEvents, SDL_ENABLE, sizeof(SDL_ProcessEvents)); |
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245 SDL_eventstate = ~0; |
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246 /* It's not save to call SDL_EventState() yet */ |
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247 SDL_eventstate &= ~(0x00000001 << SDL_SYSWMEVENT); |
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248 SDL_ProcessEvents[SDL_SYSWMEVENT] = SDL_IGNORE; |
0 | 249 |
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250 /* Initialize event handlers */ |
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251 retcode = 0; |
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252 retcode += SDL_KeyboardInit(); |
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253 retcode += SDL_MouseInit(); |
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254 retcode += SDL_QuitInit(); |
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255 if (retcode < 0) { |
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256 /* We don't expect them to fail, but... */ |
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257 return (-1); |
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258 } |
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259 |
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260 /* Create the lock and event thread */ |
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261 if (SDL_StartEventThread(flags) < 0) { |
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262 SDL_StopEventLoop(); |
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263 return (-1); |
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264 } |
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265 return (0); |
0 | 266 } |
267 | |
268 | |
269 /* Add an event to the event queue -- called with the queue locked */ | |
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270 static int |
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271 SDL_AddEvent(SDL_Event * event) |
0 | 272 { |
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273 int tail, added; |
0 | 274 |
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275 tail = (SDL_EventQ.tail + 1) % MAXEVENTS; |
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276 if (tail == SDL_EventQ.head) { |
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277 /* Overflow, drop event */ |
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278 added = 0; |
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279 } else { |
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280 SDL_EventQ.event[SDL_EventQ.tail] = *event; |
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281 if (event->type == SDL_SYSWMEVENT) { |
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282 /* Note that it's possible to lose an event */ |
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283 int next = SDL_EventQ.wmmsg_next; |
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284 SDL_EventQ.wmmsg[next] = *event->syswm.msg; |
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285 SDL_EventQ.event[SDL_EventQ.tail].syswm.msg = |
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286 &SDL_EventQ.wmmsg[next]; |
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287 SDL_EventQ.wmmsg_next = (next + 1) % MAXEVENTS; |
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288 } |
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289 SDL_EventQ.tail = tail; |
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290 added = 1; |
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291 } |
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292 return (added); |
0 | 293 } |
294 | |
295 /* Cut an event, and return the next valid spot, or the tail */ | |
296 /* -- called with the queue locked */ | |
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297 static int |
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298 SDL_CutEvent(int spot) |
0 | 299 { |
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300 if (spot == SDL_EventQ.head) { |
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301 SDL_EventQ.head = (SDL_EventQ.head + 1) % MAXEVENTS; |
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302 return (SDL_EventQ.head); |
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303 } else if ((spot + 1) % MAXEVENTS == SDL_EventQ.tail) { |
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304 SDL_EventQ.tail = spot; |
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305 return (SDL_EventQ.tail); |
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306 } else |
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307 /* We cut the middle -- shift everything over */ |
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308 { |
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309 int here, next; |
0 | 310 |
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311 /* This can probably be optimized with SDL_memcpy() -- careful! */ |
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312 if (--SDL_EventQ.tail < 0) { |
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313 SDL_EventQ.tail = MAXEVENTS - 1; |
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314 } |
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315 for (here = spot; here != SDL_EventQ.tail; here = next) { |
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316 next = (here + 1) % MAXEVENTS; |
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317 SDL_EventQ.event[here] = SDL_EventQ.event[next]; |
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318 } |
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319 return (spot); |
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320 } |
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321 /* NOTREACHED */ |
0 | 322 } |
323 | |
324 /* Lock the event queue, take a peep at it, and unlock it */ | |
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325 int |
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326 SDL_PeepEvents(SDL_Event * events, int numevents, SDL_eventaction action, |
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327 Uint32 mask) |
0 | 328 { |
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329 int i, used; |
0 | 330 |
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331 /* Don't look after we've quit */ |
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332 if (!SDL_EventQ.active) { |
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333 return (-1); |
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334 } |
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335 /* Lock the event queue */ |
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336 used = 0; |
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337 if (SDL_mutexP(SDL_EventQ.lock) == 0) { |
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338 if (action == SDL_ADDEVENT) { |
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339 for (i = 0; i < numevents; ++i) { |
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340 used += SDL_AddEvent(&events[i]); |
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341 } |
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342 } else { |
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343 SDL_Event tmpevent; |
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344 int spot; |
0 | 345 |
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346 /* If 'events' is NULL, just see if they exist */ |
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347 if (events == NULL) { |
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348 action = SDL_PEEKEVENT; |
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349 numevents = 1; |
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350 events = &tmpevent; |
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351 } |
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352 spot = SDL_EventQ.head; |
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353 while ((used < numevents) && (spot != SDL_EventQ.tail)) { |
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354 if (mask & SDL_EVENTMASK(SDL_EventQ.event[spot].type)) { |
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355 events[used++] = SDL_EventQ.event[spot]; |
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356 if (action == SDL_GETEVENT) { |
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357 spot = SDL_CutEvent(spot); |
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358 } else { |
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359 spot = (spot + 1) % MAXEVENTS; |
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360 } |
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361 } else { |
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362 spot = (spot + 1) % MAXEVENTS; |
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363 } |
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364 } |
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365 } |
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366 SDL_mutexV(SDL_EventQ.lock); |
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367 } else { |
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368 SDL_SetError("Couldn't lock event queue"); |
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369 used = -1; |
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370 } |
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371 return (used); |
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372 } |
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373 |
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374 SDL_bool |
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375 SDL_HasEvent(Uint32 mask) |
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376 { |
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377 return (SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, mask) > 0); |
0 | 378 } |
379 | |
380 /* Run the system dependent event loops */ | |
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381 void |
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382 SDL_PumpEvents(void) |
0 | 383 { |
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384 if (!SDL_EventThread) { |
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385 SDL_VideoDevice *_this = SDL_GetVideoDevice(); |
0 | 386 |
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387 /* Get events from the video subsystem */ |
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388 if (_this) { |
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389 _this->PumpEvents(_this); |
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390 } |
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391 #if !SDL_JOYSTICK_DISABLED |
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392 /* Check for joystick state change */ |
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393 if (SDL_numjoysticks && (SDL_eventstate & SDL_JOYEVENTMASK)) { |
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394 SDL_JoystickUpdate(); |
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395 } |
0 | 396 #endif |
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397 } |
0 | 398 } |
399 | |
400 /* Public functions */ | |
401 | |
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402 int |
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403 SDL_PollEvent(SDL_Event * event) |
0 | 404 { |
3072 | 405 return SDL_WaitEventTimeout(event, 0); |
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406 } |
0 | 407 |
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408 int |
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409 SDL_WaitEvent(SDL_Event * event) |
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410 { |
3072 | 411 return SDL_WaitEventTimeout(event, -1); |
412 } | |
413 | |
414 int | |
415 SDL_WaitEventTimeout(SDL_Event * event, int timeout) | |
416 { | |
417 Uint32 expiration = 0; | |
418 | |
419 if (timeout > 0) | |
420 expiration = SDL_GetTicks() + timeout; | |
421 | |
422 for (;;) { | |
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423 SDL_PumpEvents(); |
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424 switch (SDL_PeepEvents(event, 1, SDL_GETEVENT, SDL_ALLEVENTS)) { |
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425 case -1: |
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426 return 0; |
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427 case 1: |
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428 return 1; |
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429 case 0: |
3072 | 430 if (timeout == 0) { |
431 /* Polling and no events, just return */ | |
432 return 0; | |
433 } | |
434 if (timeout > 0 && ((int) (SDL_GetTicks() - expiration) >= 0)) { | |
435 /* Timeout expired and no events */ | |
436 return 0; | |
437 } | |
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438 SDL_Delay(10); |
3072 | 439 break; |
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440 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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441 } |
0 | 442 } |
443 | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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444 int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
445 SDL_PushEvent(SDL_Event * event) |
0 | 446 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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447 if (SDL_EventOK && !SDL_EventOK(SDL_EventOKParam, event)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
448 return 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
449 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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450 if (SDL_PeepEvents(event, 1, SDL_ADDEVENT, 0) <= 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
451 return -1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
452 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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453 return 1; |
0 | 454 } |
455 | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
456 void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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457 SDL_SetEventFilter(SDL_EventFilter filter, void *userdata) |
0 | 458 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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459 SDL_Event bitbucket; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
460 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
461 /* Set filter and discard pending events */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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462 SDL_EventOK = filter; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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463 SDL_EventOKParam = userdata; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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464 while (SDL_PollEvent(&bitbucket) > 0); |
0 | 465 } |
466 | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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467 SDL_bool |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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468 SDL_GetEventFilter(SDL_EventFilter * filter, void **userdata) |
0 | 469 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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470 if (filter) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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471 *filter = SDL_EventOK; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
472 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
473 if (userdata) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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474 *userdata = SDL_EventOKParam; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
475 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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476 return SDL_EventOK ? SDL_TRUE : SDL_FALSE; |
0 | 477 } |
478 | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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479 void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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480 SDL_FilterEvents(SDL_EventFilter filter, void *userdata) |
0 | 481 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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482 if (SDL_mutexP(SDL_EventQ.lock) == 0) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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483 int spot; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
484 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
485 spot = SDL_EventQ.head; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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486 while (spot != SDL_EventQ.tail) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
487 if (filter(userdata, &SDL_EventQ.event[spot])) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
488 spot = (spot + 1) % MAXEVENTS; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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489 } else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
490 spot = SDL_CutEvent(spot); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
491 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
492 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
493 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
494 SDL_mutexV(SDL_EventQ.lock); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
495 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
496 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
497 Uint8 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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498 SDL_EventState(Uint8 type, int state) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
499 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
500 SDL_Event bitbucket; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
501 Uint8 current_state; |
0 | 502 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
503 /* If SDL_ALLEVENTS was specified... */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
504 if (type == 0xFF) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
505 current_state = SDL_IGNORE; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
506 for (type = 0; type < SDL_NUMEVENTS; ++type) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
507 if (SDL_ProcessEvents[type] != SDL_IGNORE) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
508 current_state = SDL_ENABLE; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
509 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
510 SDL_ProcessEvents[type] = state; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
511 if (state == SDL_ENABLE) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
512 SDL_eventstate |= (0x00000001 << (type)); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
513 } else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
514 SDL_eventstate &= ~(0x00000001 << (type)); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
515 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
516 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
517 while (SDL_PollEvent(&bitbucket) > 0); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
518 return (current_state); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
519 } |
0 | 520 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
521 /* Just set the state for one event type */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
522 current_state = SDL_ProcessEvents[type]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
523 switch (state) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
524 case SDL_IGNORE: |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
525 case SDL_ENABLE: |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
526 /* Set state and discard pending events */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
527 SDL_ProcessEvents[type] = state; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
528 if (state == SDL_ENABLE) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
529 SDL_eventstate |= (0x00000001 << (type)); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
530 } else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
531 SDL_eventstate &= ~(0x00000001 << (type)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
532 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
533 while (SDL_PollEvent(&bitbucket) > 0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
534 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
535 default: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
536 /* Querying state? */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
537 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
538 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
539 return (current_state); |
0 | 540 } |
541 | |
542 /* This is a generic event handler. | |
543 */ | |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
544 int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
545 SDL_SendSysWMEvent(SDL_SysWMmsg * message) |
0 | 546 { |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
547 int posted; |
0 | 548 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
549 posted = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
550 if (SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
551 SDL_Event event; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
552 SDL_memset(&event, 0, sizeof(event)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
553 event.type = SDL_SYSWMEVENT; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
554 event.syswm.msg = message; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
555 posted = (SDL_PushEvent(&event) > 0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
556 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
557 /* Update internal event state */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
558 return (posted); |
0 | 559 } |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
560 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
561 /* vi: set ts=4 sw=4 expandtab: */ |