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add SDL WaitEventTime patch to input.c

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According to http://bugzilla.libsdl.org/show_bug.cgi?id=684,
this is included in SDL 1.3. But seems that 1.3 is not released
yet, so I added the patch here as workaround.
This commit is contained in:
Qingping Hou
2012-04-17 14:24:42 +08:00
parent 0c802f4eff
commit b9b772fe25
1 changed files with 14 additions and 2 deletions
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16
input.c
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@@ -138,11 +138,12 @@ static int closeInputDevices(lua_State *L) {
}
static int waitForInput(lua_State *L) {
int usecs = luaL_optint(L, 1, -1); // we check for <0 later
#ifndef EMULATE_READER
fd_set fds;
struct timeval timeout;
int i, num, nfds;
int usecs = luaL_optint(L, 1, -1); // we check for <0 later
timeout.tv_sec = (usecs/1000000);
timeout.tv_usec = (usecs%1000000);
@@ -190,7 +191,18 @@ static int waitForInput(lua_State *L) {
return 0;
#else
SDL_Event event;
while(SDL_WaitEvent(&event)) {
while(1) {
int ticks = SDL_GetTicks();
if (usecs < 0)
SDL_WaitEvent(&event);
else {
while (SDL_GetTicks()-ticks <= usecs/1000) {
if (SDL_PollEvent(&event)) break;
SDL_Delay(10);
}
if (SDL_GetTicks()-ticks > usecs/1000)
return luaL_error(L, "Waiting for input failed: timeout\n");
}
switch(event.type) {
case SDL_KEYDOWN:
lua_newtable(L);