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Added EventWait code (definitions/logic)

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Vraiment 2017-07-23 01:08:34 -07:00
parent 648754505f
commit c641f5602b
2 changed files with 31 additions and 0 deletions
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26
SDL2pp/EventWait.cc
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@ -21,7 +21,33 @@
#include <SDL2pp/EventWait.hh>
#include <SDL2pp/Exception.hh>
namespace SDL2pp {
namespace Event {
SDL_Event WaitEvent() {
SDL_Event result;
if (SDL_WaitEvent(&result) == 0) {
throw Exception("SDL_WaitEvent");
}
return result;
}
Optional<SDL_Event> WaitEvent(int timeout) {
SDL_Event result;
SDL_ClearError(); // Necessary to ensure SDL_WaitEventTimeout
// returned with no errors
if (SDL_WaitEventTimeout(&result, timeout) == 0) {
auto error = SDL_GetError();
// Check if the error message is empty
if (*error == 0) {
return Optional<SDL_Event>();
} else {
throw Exception("SDL_WaitEventTimeout");
}
}
return result;
}
}
}

5
SDL2pp/EventWait.hh
View File

@ -24,8 +24,13 @@
#include <SDL_events.h>
#include <SDL2pp/Optional.hh>
namespace SDL2pp {
namespace Event {
SDL_Event WaitEvent();
Optional<SDL_Event> WaitEvent(int timeout);
}
}