Mercurial > sdl-ios-xcode
annotate src/events/SDL_events.c @ 2451:28286ecb3f15 gsoc2008_iphone
removed comment about NULL video driver ... it's not null anymore, it's the UIKit video driver.
author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
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date | Sat, 16 Aug 2008 00:17:18 +0000 |
parents | 047245361002 |
children | f1d07ba2e275 204be4fc2726 |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 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" | |
27 #include "SDL_syswm.h" | |
28 #include "SDL_sysevents.h" | |
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29 #include "SDL_events_c.h" |
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30 #include "../timer/SDL_timer_c.h" |
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31 #if !SDL_JOYSTICK_DISABLED |
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32 #include "../joystick/SDL_joystick_c.h" |
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33 #endif |
0 | 34 |
35 /* Public data -- the event filter */ | |
36 SDL_EventFilter SDL_EventOK = NULL; | |
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37 void *SDL_EventOKParam; |
0 | 38 Uint8 SDL_ProcessEvents[SDL_NUMEVENTS]; |
39 static Uint32 SDL_eventstate = 0; | |
40 | |
41 /* Private data -- event queue */ | |
42 #define MAXEVENTS 128 | |
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43 static struct |
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44 { |
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45 SDL_mutex *lock; |
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46 int active; |
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47 int head; |
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48 int tail; |
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49 SDL_Event event[MAXEVENTS]; |
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50 int wmmsg_next; |
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51 struct SDL_SysWMmsg wmmsg[MAXEVENTS]; |
0 | 52 } SDL_EventQ; |
53 | |
54 /* Private data -- event locking structure */ | |
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55 static struct |
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56 { |
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57 SDL_mutex *lock; |
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58 int safe; |
0 | 59 } SDL_EventLock; |
60 | |
61 /* Thread functions */ | |
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62 static SDL_Thread *SDL_EventThread = NULL; /* Thread handle */ |
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63 static Uint32 event_thread; /* The event thread id */ |
0 | 64 |
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65 void |
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66 SDL_Lock_EventThread(void) |
0 | 67 { |
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68 if (SDL_EventThread && (SDL_ThreadID() != event_thread)) { |
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69 /* Grab lock and spin until we're sure event thread stopped */ |
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70 SDL_mutexP(SDL_EventLock.lock); |
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71 while (!SDL_EventLock.safe) { |
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72 SDL_Delay(1); |
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73 } |
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74 } |
0 | 75 } |
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76 void |
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77 SDL_Unlock_EventThread(void) |
0 | 78 { |
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79 if (SDL_EventThread && (SDL_ThreadID() != event_thread)) { |
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80 SDL_mutexV(SDL_EventLock.lock); |
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81 } |
0 | 82 } |
83 | |
1190 | 84 #ifdef __OS2__ |
85 /* | |
86 * We'll increase the priority of GobbleEvents thread, so it will process | |
87 * events in time for sure! For this, we need the DosSetPriority() API | |
88 * from the os2.h include file. | |
89 */ | |
90 #define INCL_DOSPROCESS | |
91 #include <os2.h> | |
92 #include <time.h> | |
93 #endif | |
94 | |
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95 static int SDLCALL |
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96 SDL_GobbleEvents(void *unused) |
0 | 97 { |
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98 event_thread = SDL_ThreadID(); |
1190 | 99 |
100 #ifdef __OS2__ | |
101 #ifdef USE_DOSSETPRIORITY | |
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102 /* Increase thread priority, so it will process events in time for sure! */ |
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103 DosSetPriority(PRTYS_THREAD, PRTYC_REGULAR, +16, 0); |
1190 | 104 #endif |
105 #endif | |
106 | |
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107 while (SDL_EventQ.active) { |
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108 SDL_VideoDevice *_this = SDL_GetVideoDevice(); |
0 | 109 |
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110 /* Get events from the video subsystem */ |
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111 if (_this) { |
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112 _this->PumpEvents(_this); |
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113 } |
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114 #if !SDL_JOYSTICK_DISABLED |
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115 /* Check for joystick state change */ |
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116 if (SDL_numjoysticks && (SDL_eventstate & SDL_JOYEVENTMASK)) { |
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117 SDL_JoystickUpdate(); |
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118 } |
0 | 119 #endif |
120 | |
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121 /* Give up the CPU for the rest of our timeslice */ |
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122 SDL_EventLock.safe = 1; |
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123 if (SDL_timer_running) { |
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124 SDL_ThreadedTimerCheck(); |
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125 } |
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126 SDL_Delay(1); |
0 | 127 |
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128 /* Check for event locking. |
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129 On the P of the lock mutex, if the lock is held, this thread |
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130 will wait until the lock is released before continuing. The |
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131 safe flag will be set, meaning that the other thread can go |
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132 about it's business. The safe flag is reset before the V, |
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133 so as soon as the mutex is free, other threads can see that |
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134 it's not safe to interfere with the event thread. |
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135 */ |
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136 SDL_mutexP(SDL_EventLock.lock); |
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137 SDL_EventLock.safe = 0; |
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138 SDL_mutexV(SDL_EventLock.lock); |
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139 } |
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140 SDL_SetTimerThreaded(0); |
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141 event_thread = 0; |
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142 return (0); |
0 | 143 } |
144 | |
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145 static int |
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146 SDL_StartEventThread(Uint32 flags) |
0 | 147 { |
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148 /* Reset everything to zero */ |
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149 SDL_EventThread = NULL; |
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150 SDL_memset(&SDL_EventLock, 0, sizeof(SDL_EventLock)); |
0 | 151 |
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152 /* Create the lock and set ourselves active */ |
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153 #if !SDL_THREADS_DISABLED |
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154 SDL_EventQ.lock = SDL_CreateMutex(); |
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155 if (SDL_EventQ.lock == NULL) { |
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156 return (-1); |
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157 } |
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158 #endif /* !SDL_THREADS_DISABLED */ |
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159 SDL_EventQ.active = 1; |
0 | 160 |
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161 if ((flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD) { |
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162 SDL_EventLock.lock = SDL_CreateMutex(); |
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163 if (SDL_EventLock.lock == NULL) { |
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164 return (-1); |
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165 } |
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166 SDL_EventLock.safe = 0; |
0 | 167 |
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168 /* The event thread will handle timers too */ |
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169 SDL_SetTimerThreaded(2); |
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170 #if (defined(__WIN32__) && !defined(_WIN32_WCE)) && !defined(HAVE_LIBC) |
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171 #undef SDL_CreateThread |
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172 SDL_EventThread = |
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173 SDL_CreateThread(SDL_GobbleEvents, NULL, NULL, NULL); |
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174 #else |
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175 SDL_EventThread = SDL_CreateThread(SDL_GobbleEvents, NULL); |
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176 #endif |
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177 if (SDL_EventThread == NULL) { |
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178 return (-1); |
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179 } |
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180 } else { |
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181 event_thread = 0; |
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182 } |
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183 return (0); |
0 | 184 } |
185 | |
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186 static void |
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187 SDL_StopEventThread(void) |
0 | 188 { |
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189 SDL_EventQ.active = 0; |
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190 if (SDL_EventThread) { |
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191 SDL_WaitThread(SDL_EventThread, NULL); |
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192 SDL_EventThread = NULL; |
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193 SDL_DestroyMutex(SDL_EventLock.lock); |
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194 } |
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195 #ifndef IPOD |
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196 SDL_DestroyMutex(SDL_EventQ.lock); |
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197 #endif |
0 | 198 } |
199 | |
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200 Uint32 |
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201 SDL_EventThreadID(void) |
0 | 202 { |
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203 return (event_thread); |
0 | 204 } |
205 | |
206 /* Public functions */ | |
207 | |
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208 void |
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209 SDL_StopEventLoop(void) |
0 | 210 { |
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211 /* Halt the event thread, if running */ |
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212 SDL_StopEventThread(); |
0 | 213 |
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214 /* Shutdown event handlers */ |
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215 SDL_KeyboardQuit(); |
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216 SDL_MouseQuit(); |
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217 SDL_QuitQuit(); |
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218 |
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219 /* Clean out EventQ */ |
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220 SDL_EventQ.head = 0; |
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221 SDL_EventQ.tail = 0; |
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222 SDL_EventQ.wmmsg_next = 0; |
0 | 223 } |
224 | |
225 /* This function (and associated calls) may be called more than once */ | |
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226 int |
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227 SDL_StartEventLoop(Uint32 flags) |
0 | 228 { |
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229 int retcode; |
0 | 230 |
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231 /* Clean out the event queue */ |
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232 SDL_EventThread = NULL; |
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233 SDL_EventQ.lock = NULL; |
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234 SDL_StopEventLoop(); |
0 | 235 |
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236 /* No filter to start with, process most event types */ |
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237 SDL_EventOK = NULL; |
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238 SDL_memset(SDL_ProcessEvents, SDL_ENABLE, sizeof(SDL_ProcessEvents)); |
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239 SDL_eventstate = ~0; |
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240 /* It's not save to call SDL_EventState() yet */ |
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241 SDL_eventstate &= ~(0x00000001 << SDL_SYSWMEVENT); |
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242 SDL_ProcessEvents[SDL_SYSWMEVENT] = SDL_IGNORE; |
0 | 243 |
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244 /* Initialize event handlers */ |
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245 retcode = 0; |
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246 retcode += SDL_KeyboardInit(); |
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247 retcode += SDL_MouseInit(); |
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248 retcode += SDL_QuitInit(); |
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249 if (retcode < 0) { |
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250 /* We don't expect them to fail, but... */ |
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251 return (-1); |
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252 } |
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253 |
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254 /* Create the lock and event thread */ |
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255 if (SDL_StartEventThread(flags) < 0) { |
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256 SDL_StopEventLoop(); |
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257 return (-1); |
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258 } |
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259 return (0); |
0 | 260 } |
261 | |
262 | |
263 /* Add an event to the event queue -- called with the queue locked */ | |
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264 static int |
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265 SDL_AddEvent(SDL_Event * event) |
0 | 266 { |
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267 int tail, added; |
0 | 268 |
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269 tail = (SDL_EventQ.tail + 1) % MAXEVENTS; |
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270 if (tail == SDL_EventQ.head) { |
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271 /* Overflow, drop event */ |
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272 added = 0; |
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273 } else { |
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274 SDL_EventQ.event[SDL_EventQ.tail] = *event; |
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275 if (event->type == SDL_SYSWMEVENT) { |
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276 /* Note that it's possible to lose an event */ |
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277 int next = SDL_EventQ.wmmsg_next; |
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278 SDL_EventQ.wmmsg[next] = *event->syswm.msg; |
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279 SDL_EventQ.event[SDL_EventQ.tail].syswm.msg = |
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280 &SDL_EventQ.wmmsg[next]; |
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281 SDL_EventQ.wmmsg_next = (next + 1) % MAXEVENTS; |
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282 } |
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283 SDL_EventQ.tail = tail; |
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284 added = 1; |
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285 } |
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286 return (added); |
0 | 287 } |
288 | |
289 /* Cut an event, and return the next valid spot, or the tail */ | |
290 /* -- called with the queue locked */ | |
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291 static int |
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292 SDL_CutEvent(int spot) |
0 | 293 { |
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294 if (spot == SDL_EventQ.head) { |
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295 SDL_EventQ.head = (SDL_EventQ.head + 1) % MAXEVENTS; |
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296 return (SDL_EventQ.head); |
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297 } else if ((spot + 1) % MAXEVENTS == SDL_EventQ.tail) { |
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298 SDL_EventQ.tail = spot; |
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299 return (SDL_EventQ.tail); |
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300 } else |
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301 /* We cut the middle -- shift everything over */ |
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302 { |
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303 int here, next; |
0 | 304 |
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305 /* This can probably be optimized with SDL_memcpy() -- careful! */ |
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306 if (--SDL_EventQ.tail < 0) { |
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307 SDL_EventQ.tail = MAXEVENTS - 1; |
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308 } |
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309 for (here = spot; here != SDL_EventQ.tail; here = next) { |
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310 next = (here + 1) % MAXEVENTS; |
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311 SDL_EventQ.event[here] = SDL_EventQ.event[next]; |
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312 } |
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313 return (spot); |
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314 } |
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315 /* NOTREACHED */ |
0 | 316 } |
317 | |
318 /* Lock the event queue, take a peep at it, and unlock it */ | |
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319 int |
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320 SDL_PeepEvents(SDL_Event * events, int numevents, SDL_eventaction action, |
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321 Uint32 mask) |
0 | 322 { |
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323 int i, used; |
0 | 324 |
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325 /* Don't look after we've quit */ |
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326 if (!SDL_EventQ.active) { |
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327 return (-1); |
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328 } |
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329 /* Lock the event queue */ |
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330 used = 0; |
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331 if (SDL_mutexP(SDL_EventQ.lock) == 0) { |
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332 if (action == SDL_ADDEVENT) { |
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333 for (i = 0; i < numevents; ++i) { |
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334 used += SDL_AddEvent(&events[i]); |
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335 } |
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336 } else { |
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337 SDL_Event tmpevent; |
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338 int spot; |
0 | 339 |
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340 /* If 'events' is NULL, just see if they exist */ |
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341 if (events == NULL) { |
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342 action = SDL_PEEKEVENT; |
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343 numevents = 1; |
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344 events = &tmpevent; |
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345 } |
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346 spot = SDL_EventQ.head; |
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347 while ((used < numevents) && (spot != SDL_EventQ.tail)) { |
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348 if (mask & SDL_EVENTMASK(SDL_EventQ.event[spot].type)) { |
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349 events[used++] = SDL_EventQ.event[spot]; |
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350 if (action == SDL_GETEVENT) { |
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351 spot = SDL_CutEvent(spot); |
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352 } else { |
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353 spot = (spot + 1) % MAXEVENTS; |
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354 } |
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355 } else { |
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356 spot = (spot + 1) % MAXEVENTS; |
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357 } |
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358 } |
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359 } |
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360 SDL_mutexV(SDL_EventQ.lock); |
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361 } else { |
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362 SDL_SetError("Couldn't lock event queue"); |
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363 used = -1; |
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364 } |
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365 return (used); |
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366 } |
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367 |
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368 SDL_bool |
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369 SDL_HasEvent(Uint32 mask) |
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370 { |
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371 return (SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, mask) > 0); |
0 | 372 } |
373 | |
374 /* Run the system dependent event loops */ | |
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375 void |
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376 SDL_PumpEvents(void) |
0 | 377 { |
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378 if (!SDL_EventThread) { |
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379 SDL_VideoDevice *_this = SDL_GetVideoDevice(); |
0 | 380 |
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381 /* Get events from the video subsystem */ |
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382 if (_this) { |
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383 _this->PumpEvents(_this); |
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384 } |
1361
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New configure-based build system. Still work in progress, but much improved
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385 #if !SDL_JOYSTICK_DISABLED |
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386 /* Check for joystick state change */ |
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387 if (SDL_numjoysticks && (SDL_eventstate & SDL_JOYEVENTMASK)) { |
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388 SDL_JoystickUpdate(); |
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389 } |
0 | 390 #endif |
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391 } |
0 | 392 } |
393 | |
394 /* Public functions */ | |
395 | |
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396 int |
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397 SDL_PollEvent(SDL_Event * event) |
0 | 398 { |
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399 SDL_PumpEvents(); |
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400 |
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401 /* We can't return -1, just return 0 (no event) on error */ |
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402 if (SDL_PeepEvents(event, 1, SDL_GETEVENT, SDL_ALLEVENTS) <= 0) |
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403 return 0; |
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404 return 1; |
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405 } |
0 | 406 |
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407 int |
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408 SDL_WaitEvent(SDL_Event * event) |
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409 { |
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410 while (1) { |
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411 SDL_PumpEvents(); |
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412 switch (SDL_PeepEvents(event, 1, SDL_GETEVENT, SDL_ALLEVENTS)) { |
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413 case -1: |
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414 return 0; |
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415 case 1: |
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416 return 1; |
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417 case 0: |
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418 SDL_Delay(10); |
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419 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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420 } |
0 | 421 } |
422 | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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423 int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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424 SDL_PushEvent(SDL_Event * event) |
0 | 425 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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426 if (SDL_EventOK && !SDL_EventOK(SDL_EventOKParam, event)) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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427 return 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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428 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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429 if (SDL_PeepEvents(event, 1, SDL_ADDEVENT, 0) <= 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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430 return -1; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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431 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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432 return 1; |
0 | 433 } |
434 | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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435 void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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436 SDL_SetEventFilter(SDL_EventFilter filter, void *userdata) |
0 | 437 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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438 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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439 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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440 /* Set filter and discard pending events */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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441 SDL_EventOK = filter; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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442 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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443 while (SDL_PollEvent(&bitbucket) > 0); |
0 | 444 } |
445 | |
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446 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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447 SDL_GetEventFilter(SDL_EventFilter * filter, void **userdata) |
0 | 448 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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449 if (filter) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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450 *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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451 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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452 if (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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453 *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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454 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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455 return SDL_EventOK ? SDL_TRUE : SDL_FALSE; |
0 | 456 } |
457 | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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458 void |
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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_FilterEvents(SDL_EventFilter filter, void *userdata) |
0 | 460 { |
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461 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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462 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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463 |
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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 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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465 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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466 if (filter(userdata, &SDL_EventQ.event[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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467 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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468 } 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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469 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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470 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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471 } |
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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.
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473 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.
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474 } |
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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 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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477 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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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 SDL_Event bitbucket; |
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480 Uint8 current_state; |
0 | 481 |
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482 /* 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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483 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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484 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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485 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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486 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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487 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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488 } |
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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 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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490 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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491 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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492 } 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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493 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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|
494 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
495 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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496 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.
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497 return (current_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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|
498 } |
0 | 499 |
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|
500 /* 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.
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|
501 current_state = SDL_ProcessEvents[type]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
502 switch (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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|
503 case 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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|
504 case 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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|
505 /* Set state and discard pending events */ |
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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 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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|
507 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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|
508 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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|
509 } 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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|
510 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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|
511 } |
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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 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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|
513 break; |
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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 default: |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
515 /* Querying 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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|
516 break; |
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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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|
517 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
518 return (current_state); |
0 | 519 } |
520 | |
521 /* This is a generic event handler. | |
522 */ | |
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|
523 int |
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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|
524 SDL_SendSysWMEvent(SDL_SysWMmsg * message) |
0 | 525 { |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
526 int posted; |
0 | 527 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
528 posted = 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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|
529 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>
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diff
changeset
|
530 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>
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changeset
|
531 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>
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diff
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|
532 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>
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diff
changeset
|
533 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>
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|
534 posted = (SDL_PushEvent(&event) > 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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changeset
|
535 } |
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
|
536 /* 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>
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|
537 return (posted); |
0 | 538 } |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
539 |
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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changeset
|
540 /* vi: set ts=4 sw=4 expandtab: */ |