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annotate src/events/SDL_events.c @ 5157:fb424691cfc7

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Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 02 Feb 2011 14:34:54 -0800
parents 3052772b59db
children b530ef003506
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
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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
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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.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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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
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* General event handling code for SDL */
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25
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26 #include "SDL.h"
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27 #include "SDL_events.h"
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28 #include "SDL_syswm.h"
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29 #include "SDL_thread.h"
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30 #include "SDL_events_c.h"
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31 #include "../timer/SDL_timer_c.h"
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32 #if !SDL_JOYSTICK_DISABLED
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33 #include "../joystick/SDL_joystick_c.h"
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34 #endif
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35 #include "../video/SDL_sysvideo.h"
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36
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37 /* Public data -- the event filter */
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38 SDL_EventFilter SDL_EventOK = NULL;
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39 void *SDL_EventOKParam;
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40
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41 typedef struct SDL_EventWatcher {
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42 SDL_EventFilter callback;
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43 void *userdata;
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44 struct SDL_EventWatcher *next;
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45 } SDL_EventWatcher;
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46
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47 static SDL_EventWatcher *SDL_event_watchers = NULL;
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48
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49 typedef struct {
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50 Uint32 bits[8];
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51 } SDL_DisabledEventBlock;
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52
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53 static SDL_DisabledEventBlock *SDL_disabled_events[256];
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54 static Uint32 SDL_userevents = SDL_USEREVENT;
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55
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56 /* Private data -- event queue */
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57 #define MAXEVENTS 128
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58 static struct
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59 {
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60 SDL_mutex *lock;
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61 int active;
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62 int head;
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63 int tail;
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64 SDL_Event event[MAXEVENTS];
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65 int wmmsg_next;
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66 struct SDL_SysWMmsg wmmsg[MAXEVENTS];
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67 } SDL_EventQ;
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68
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69
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70 static __inline__ SDL_bool
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71 SDL_ShouldPollJoystick()
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72 {
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73 #if !SDL_JOYSTICK_DISABLED
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74 if (SDL_numjoysticks &&
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75 (!SDL_disabled_events[SDL_JOYAXISMOTION >> 8] ||
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76 SDL_JoystickEventState(SDL_QUERY))) {
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77 return SDL_TRUE;
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78 }
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79 #endif
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80 return SDL_FALSE;
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81 }
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82
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83 /* Public functions */
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84
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85 void
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86 SDL_StopEventLoop(void)
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87 {
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88 int i;
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89
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90 if (SDL_EventQ.lock) {
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91 SDL_DestroyMutex(SDL_EventQ.lock);
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92 SDL_EventQ.lock = NULL;
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93 }
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94
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95 /* Clean out EventQ */
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96 SDL_EventQ.head = 0;
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97 SDL_EventQ.tail = 0;
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98 SDL_EventQ.wmmsg_next = 0;
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99
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100 /* Clear disabled event state */
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101 for (i = 0; i < SDL_arraysize(SDL_disabled_events); ++i) {
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102 if (SDL_disabled_events[i]) {
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103 SDL_free(SDL_disabled_events[i]);
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104 SDL_disabled_events[i] = NULL;
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105 }
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106 }
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107
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108 while (SDL_event_watchers) {
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109 SDL_EventWatcher *tmp = SDL_event_watchers;
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110 SDL_event_watchers = tmp->next;
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111 SDL_free(tmp);
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112 }
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113 }
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114
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115 /* This function (and associated calls) may be called more than once */
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116 int
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117 SDL_StartEventLoop(void)
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118 {
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119 /* Clean out the event queue */
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120 SDL_EventQ.lock = NULL;
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121 SDL_StopEventLoop();
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122
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123 /* No filter to start with, process most event types */
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124 SDL_EventOK = NULL;
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125 SDL_EventState(SDL_SYSWMEVENT, SDL_DISABLE);
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126
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127 /* Create the lock and set ourselves active */
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128 #if !SDL_THREADS_DISABLED
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129 SDL_EventQ.lock = SDL_CreateMutex();
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130 if (SDL_EventQ.lock == NULL) {
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131 return (-1);
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132 }
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133 #endif /* !SDL_THREADS_DISABLED */
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134 SDL_EventQ.active = 1;
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135
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136 return (0);
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137 }
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138
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139
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140 /* Add an event to the event queue -- called with the queue locked */
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141 static int
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142 SDL_AddEvent(SDL_Event * event)
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143 {
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144 int tail, added;
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145
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146 tail = (SDL_EventQ.tail + 1) % MAXEVENTS;
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147 if (tail == SDL_EventQ.head) {
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148 /* Overflow, drop event */
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149 added = 0;
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150 } else {
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151 SDL_EventQ.event[SDL_EventQ.tail] = *event;
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152 if (event->type == SDL_SYSWMEVENT) {
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153 /* Note that it's possible to lose an event */
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154 int next = SDL_EventQ.wmmsg_next;
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155 SDL_EventQ.wmmsg[next] = *event->syswm.msg;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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156 SDL_EventQ.event[SDL_EventQ.tail].syswm.msg =
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157 &SDL_EventQ.wmmsg[next];
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158 SDL_EventQ.wmmsg_next = (next + 1) % MAXEVENTS;
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159 }
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160 SDL_EventQ.tail = tail;
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161 added = 1;
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162 }
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163 return (added);
0
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164 }
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165
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166 /* Cut an event, and return the next valid spot, or the tail */
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167 /* -- called with the queue locked */
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168 static int
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169 SDL_CutEvent(int spot)
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170 {
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171 if (spot == SDL_EventQ.head) {
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172 SDL_EventQ.head = (SDL_EventQ.head + 1) % MAXEVENTS;
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173 return (SDL_EventQ.head);
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174 } else if ((spot + 1) % MAXEVENTS == SDL_EventQ.tail) {
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175 SDL_EventQ.tail = spot;
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176 return (SDL_EventQ.tail);
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177 } else
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178 /* We cut the middle -- shift everything over */
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179 {
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180 int here, next;
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181
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182 /* This can probably be optimized with SDL_memcpy() -- careful! */
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183 if (--SDL_EventQ.tail < 0) {
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184 SDL_EventQ.tail = MAXEVENTS - 1;
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185 }
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186 for (here = spot; here != SDL_EventQ.tail; here = next) {
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187 next = (here + 1) % MAXEVENTS;
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188 SDL_EventQ.event[here] = SDL_EventQ.event[next];
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189 }
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190 return (spot);
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191 }
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192 /* NOTREACHED */
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193 }
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194
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195 /* Lock the event queue, take a peep at it, and unlock it */
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196 int
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197 SDL_PeepEvents(SDL_Event * events, int numevents, SDL_eventaction action,
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198 Uint32 minType, Uint32 maxType)
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199 {
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200 int i, used;
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201
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202 /* Don't look after we've quit */
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203 if (!SDL_EventQ.active) {
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204 return (-1);
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205 }
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206 /* Lock the event queue */
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207 used = 0;
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208 if (SDL_mutexP(SDL_EventQ.lock) == 0) {
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209 if (action == SDL_ADDEVENT) {
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210 for (i = 0; i < numevents; ++i) {
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211 used += SDL_AddEvent(&events[i]);
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212 }
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213 } else {
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214 SDL_Event tmpevent;
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215 int spot;
0
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216
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217 /* If 'events' is NULL, just see if they exist */
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218 if (events == NULL) {
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219 action = SDL_PEEKEVENT;
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220 numevents = 1;
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221 events = &tmpevent;
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222 }
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223 spot = SDL_EventQ.head;
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224 while ((used < numevents) && (spot != SDL_EventQ.tail)) {
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225 Uint32 type = SDL_EventQ.event[spot].type;
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226 if (minType <= type && type <= maxType) {
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227 events[used++] = SDL_EventQ.event[spot];
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228 if (action == SDL_GETEVENT) {
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229 spot = SDL_CutEvent(spot);
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230 } else {
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231 spot = (spot + 1) % MAXEVENTS;
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232 }
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233 } else {
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234 spot = (spot + 1) % MAXEVENTS;
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235 }
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236 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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237 }
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238 SDL_mutexV(SDL_EventQ.lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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239 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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240 SDL_SetError("Couldn't lock event queue");
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241 used = -1;
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242 }
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243 return (used);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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244 }
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245
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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246 SDL_bool
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247 SDL_HasEvent(Uint32 type)
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248 {
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diff changeset
249 return (SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, type, type) > 0);
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250 }
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251
faa9fc8e7f67 General improvements for user custom event registration
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diff changeset
252 SDL_bool
faa9fc8e7f67 General improvements for user custom event registration
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diff changeset
253 SDL_HasEvents(Uint32 minType, Uint32 maxType)
faa9fc8e7f67 General improvements for user custom event registration
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diff changeset
254 {
faa9fc8e7f67 General improvements for user custom event registration
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255 return (SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, minType, maxType) > 0);
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256 }
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257
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diff changeset
258 void
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259 SDL_FlushEvent(Uint32 type)
1895
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260 {
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261 SDL_FlushEvents(type, type);
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262 }
faa9fc8e7f67 General improvements for user custom event registration
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263
faa9fc8e7f67 General improvements for user custom event registration
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diff changeset
264 void
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265 SDL_FlushEvents(Uint32 minType, Uint32 maxType)
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266 {
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diff changeset
267 /* Don't look after we've quit */
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diff changeset
268 if (!SDL_EventQ.active) {
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269 return;
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270 }
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271
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272 /* Make sure the events are current */
363604b42e84 Make sure events are current before flushing them.
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diff changeset
273 SDL_PumpEvents();
363604b42e84 Make sure events are current before flushing them.
Sam Lantinga <slouken@libsdl.org>
parents: 4429
diff changeset
274
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diff changeset
275 /* Lock the event queue */
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
276 if (SDL_mutexP(SDL_EventQ.lock) == 0) {
faa9fc8e7f67 General improvements for user custom event registration
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diff changeset
277 int spot = SDL_EventQ.head;
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
278 while (spot != SDL_EventQ.tail) {
faa9fc8e7f67 General improvements for user custom event registration
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diff changeset
279 Uint32 type = SDL_EventQ.event[spot].type;
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
280 if (minType <= type && type <= maxType) {
faa9fc8e7f67 General improvements for user custom event registration
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diff changeset
281 spot = SDL_CutEvent(spot);
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
282 } else {
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
283 spot = (spot + 1) % MAXEVENTS;
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
284 }
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
285 }
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
286 SDL_mutexV(SDL_EventQ.lock);
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
287 }
0
74212992fb08 Initial revision
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parents:
diff changeset
288 }
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diff changeset
289
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parents:
diff changeset
290 /* Run the system dependent event loops */
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diff changeset
291 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
292 SDL_PumpEvents(void)
0
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diff changeset
293 {
5125
dc0dfdd58f27 Removed completely non-portable event thread hack.
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diff changeset
294 SDL_VideoDevice *_this = SDL_GetVideoDevice();
0
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295
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parents: 5113
diff changeset
296 /* Get events from the video subsystem */
dc0dfdd58f27 Removed completely non-portable event thread hack.
Sam Lantinga <slouken@libsdl.org>
parents: 5113
diff changeset
297 if (_this) {
dc0dfdd58f27 Removed completely non-portable event thread hack.
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parents: 5113
diff changeset
298 _this->PumpEvents(_this);
dc0dfdd58f27 Removed completely non-portable event thread hack.
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parents: 5113
diff changeset
299 }
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1358
diff changeset
300 #if !SDL_JOYSTICK_DISABLED
5125
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diff changeset
301 /* Check for joystick state change */
dc0dfdd58f27 Removed completely non-portable event thread hack.
Sam Lantinga <slouken@libsdl.org>
parents: 5113
diff changeset
302 if (SDL_ShouldPollJoystick()) {
dc0dfdd58f27 Removed completely non-portable event thread hack.
Sam Lantinga <slouken@libsdl.org>
parents: 5113
diff changeset
303 SDL_JoystickUpdate();
dc0dfdd58f27 Removed completely non-portable event thread hack.
Sam Lantinga <slouken@libsdl.org>
parents: 5113
diff changeset
304 }
0
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parents:
diff changeset
305 #endif
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parents:
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306 }
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parents:
diff changeset
307
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parents:
diff changeset
308 /* Public functions */
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309
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diff changeset
310 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
311 SDL_PollEvent(SDL_Event * event)
0
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parents:
diff changeset
312 {
3072
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diff changeset
313 return SDL_WaitEventTimeout(event, 0);
1895
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parents: 1769
diff changeset
314 }
0
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parents:
diff changeset
315
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diff changeset
316 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
317 SDL_WaitEvent(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: 1769
diff changeset
318 {
3072
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diff changeset
319 return SDL_WaitEventTimeout(event, -1);
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
320 }
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
321
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
322 int
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
323 SDL_WaitEventTimeout(SDL_Event * event, int timeout)
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
324 {
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
325 Uint32 expiration = 0;
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
326
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
327 if (timeout > 0)
9da8f57ab92c Fixed bug #684
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parents: 2984
diff changeset
328 expiration = SDL_GetTicks() + timeout;
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
329
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
330 for (;;) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
331 SDL_PumpEvents();
4429
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
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diff changeset
332 switch (SDL_PeepEvents(event, 1, SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT)) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
333 case -1:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
334 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
335 case 1:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
336 return 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
337 case 0:
3072
9da8f57ab92c Fixed bug #684
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parents: 2984
diff changeset
338 if (timeout == 0) {
9da8f57ab92c Fixed bug #684
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parents: 2984
diff changeset
339 /* Polling and no events, just return */
9da8f57ab92c Fixed bug #684
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parents: 2984
diff changeset
340 return 0;
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
341 }
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
342 if (timeout > 0 && ((int) (SDL_GetTicks() - expiration) >= 0)) {
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
343 /* Timeout expired and no events */
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
344 return 0;
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
345 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
346 SDL_Delay(10);
3072
9da8f57ab92c Fixed bug #684
Sam Lantinga <slouken@libsdl.org>
parents: 2984
diff changeset
347 break;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
348 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
349 }
0
74212992fb08 Initial revision
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parents:
diff changeset
350 }
74212992fb08 Initial revision
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parents:
diff changeset
351
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
352 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
353 SDL_PushEvent(SDL_Event * event)
0
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parents:
diff changeset
354 {
5149
3052772b59db Added functions to watch events as they go through the event queue.
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parents: 5125
diff changeset
355 SDL_EventWatcher *curr;
3052772b59db Added functions to watch events as they go through the event queue.
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parents: 5125
diff changeset
356
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
357 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>
parents: 1769
diff changeset
358 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
359 }
5149
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
360
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
361 for (curr = SDL_event_watchers; curr; curr = curr->next) {
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
362 curr->callback(curr->userdata, event);
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
363 }
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
364
4429
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diff changeset
365 if (SDL_PeepEvents(event, 1, SDL_ADDEVENT, 0, 0) <= 0) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
366 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
367 }
4657
eed063a0bf5b Moved Multi finger gesture recognition into the library.
Jim Grandpre <jim.tla@gmail.com>
parents: 4642
diff changeset
368
eed063a0bf5b Moved Multi finger gesture recognition into the library.
Jim Grandpre <jim.tla@gmail.com>
parents: 4642
diff changeset
369 SDL_GestureProcessEvent(event);
eed063a0bf5b Moved Multi finger gesture recognition into the library.
Jim Grandpre <jim.tla@gmail.com>
parents: 4642
diff changeset
370
eed063a0bf5b Moved Multi finger gesture recognition into the library.
Jim Grandpre <jim.tla@gmail.com>
parents: 4642
diff changeset
371
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
372 return 1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 }
74212992fb08 Initial revision
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parents:
diff changeset
374
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
375 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
376 SDL_SetEventFilter(SDL_EventFilter filter, void *userdata)
0
74212992fb08 Initial revision
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parents:
diff changeset
377 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
378 SDL_Event bitbucket;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
379
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
380 /* Set filter 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>
parents: 1769
diff changeset
381 SDL_EventOK = filter;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
382 SDL_EventOKParam = userdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
383 while (SDL_PollEvent(&bitbucket) > 0);
0
74212992fb08 Initial revision
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parents:
diff changeset
384 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
386 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
387 SDL_GetEventFilter(SDL_EventFilter * filter, void **userdata)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
389 if (filter) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
390 *filter = SDL_EventOK;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
391 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
392 if (userdata) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
393 *userdata = SDL_EventOKParam;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
394 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
395 return SDL_EventOK ? SDL_TRUE : SDL_FALSE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
396 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
397
5149
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
398 /* FIXME: This is not thread-safe yet */
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
399 void
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
400 SDL_AddEventWatch(SDL_EventFilter filter, void *userdata)
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
401 {
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
402 SDL_EventWatcher *watcher;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
403
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
404 watcher = (SDL_EventWatcher *)SDL_malloc(sizeof(*watcher));
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
405 if (!watcher) {
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
406 /* Uh oh... */
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
407 return;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
408 }
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
409 watcher->callback = filter;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
410 watcher->userdata = userdata;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
411 watcher->next = SDL_event_watchers;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
412 SDL_event_watchers = watcher;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
413 }
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
414
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
415 /* FIXME: This is not thread-safe yet */
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
416 void
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
417 SDL_DelEventWatch(SDL_EventFilter filter, void *userdata)
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
418 {
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
419 SDL_EventWatcher *prev = NULL;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
420 SDL_EventWatcher *curr;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
421
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
422 for (curr = SDL_event_watchers; curr; prev = curr, curr = curr->next) {
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
423 if (curr->callback == filter && curr->userdata == userdata) {
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
424 if (prev) {
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
425 prev->next = curr->next;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
426 } else {
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
427 SDL_event_watchers = curr->next;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
428 }
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
429 SDL_free(curr);
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
430 break;
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
431 }
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
432 }
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
433 }
3052772b59db Added functions to watch events as they go through the event queue.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
434
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
435 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
436 SDL_FilterEvents(SDL_EventFilter filter, void *userdata)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
437 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
438 if (SDL_mutexP(SDL_EventQ.lock) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
439 int spot;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
440
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
441 spot = SDL_EventQ.head;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
442 while (spot != SDL_EventQ.tail) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
443 if (filter(userdata, &SDL_EventQ.event[spot])) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
444 spot = (spot + 1) % MAXEVENTS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
445 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
446 spot = SDL_CutEvent(spot);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
447 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
448 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
449 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
450 SDL_mutexV(SDL_EventQ.lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
451 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
452
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
453 Uint8
4429
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
454 SDL_EventState(Uint32 type, int state)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
455 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
456 Uint8 current_state;
4429
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
457 Uint8 hi = ((type >> 8) & 0xff);
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
458 Uint8 lo = (type & 0xff);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459
4429
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
460 if (SDL_disabled_events[hi] &&
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
461 (SDL_disabled_events[hi]->bits[lo/32] & (1 << (lo&31)))) {
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
462 current_state = SDL_DISABLE;
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
463 } else {
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
464 current_state = SDL_ENABLE;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
465 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
466
4429
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
467 if (state != current_state)
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
468 {
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
469 switch (state) {
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
470 case SDL_DISABLE:
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
471 /* Disable this event type and discard pending events */
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
472 if (!SDL_disabled_events[hi]) {
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
473 SDL_disabled_events[hi] = (SDL_DisabledEventBlock*) SDL_calloc(1, sizeof(SDL_DisabledEventBlock));
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
474 if (!SDL_disabled_events[hi]) {
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
475 /* Out of memory, nothing we can do... */
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
476 break;
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
477 }
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
478 }
faa9fc8e7f67 General improvements for user custom event registration
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parents: 3697
diff changeset
479 SDL_disabled_events[hi]->bits[lo/32] |= (1 << (lo&31));
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
480 SDL_FlushEvent(type);
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
481 break;
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
482 case SDL_ENABLE:
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
483 SDL_disabled_events[hi]->bits[lo/32] &= ~(1 << (lo&31));
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
484 break;
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
485 default:
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
486 /* Querying state... */
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
487 break;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
488 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
489 }
4429
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
490
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
491 return current_state;
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
492 }
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
493
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
494 Uint32
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
495 SDL_RegisterEvents(int numevents)
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
496 {
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
497 Uint32 event_base;
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
498
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
499 if (SDL_userevents+numevents <= SDL_LASTEVENT) {
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
500 event_base = SDL_userevents;
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
501 SDL_userevents += numevents;
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
502 } else {
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
503 event_base = (Uint32)-1;
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
504 }
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
505 return event_base;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
507
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508 /* This is a generic event handler.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
510 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
511 SDL_SendSysWMEvent(SDL_SysWMmsg * message)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
512 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
513 int posted;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
514
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
515 posted = 0;
4429
faa9fc8e7f67 General improvements for user custom event registration
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
516 if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
517 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: 1769
diff changeset
518 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: 1769
diff changeset
519 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: 1769
diff changeset
520 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: 1769
diff changeset
521 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: 1769
diff changeset
522 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
523 /* 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: 1769
diff changeset
524 return (posted);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
526
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
527 /* vi: set ts=4 sw=4 expandtab: */