void FsClearEventQueue(void)
{
for(;;)
{
int checkAgain=0;
FsPollDevice();
int lb,mb,rb,mx,my;
while(FSMOUSEEVENT_NONE!=FsGetMouseEvent(lb,mb,rb,mx,my) ||
FSKEY_NULL!=FsInkey() ||
0!=FsInkeyChar() ||
0!=FsCheckWindowExposure())
{
checkAgain=1;
}
if(0!=lb || 0!=rb || 0!=mb)
{
checkAgain=1;
}
if(0!=FsCheckKeyHeldDown())
{
checkAgain=1;
}
if(0==checkAgain)
{
break;
}
FsSleep(50);
}
}
int main(int ac,char *av[])
{
FsLazyWindowApplicationBase::GetApplication()->BeforeEverything(ac,av);
FsOpenWindowOption owo;
owo.useDoubleBuffer=true;
FsLazyWindowApplicationBase::GetApplication()->GetOpenWindowOption(owo);
FsOpenWindow(owo);
FsLazyWindowApplicationBase::GetApplication()->Initialize(ac,av);
// Memo: Don't register call backs before Initialize.
// Some of the call-back functions may be accidentally fired from inside FsOpenWindow.
FsRegisterIntervalCallBack(IntervalCallBack,nullptr);
FsRegisterOnPaintCallBack(NeedRedrawCallBack,nullptr);
FsRegisterCloseWindowCallBack(UserWantToCloseProgram,nullptr);
auto t0=FsSubSecondTimer();
while(0!=FsCheckWindowOpen() &&
true!=FsLazyWindowApplicationBase::GetApplication()->MustTerminate())
{
auto t=FsSubSecondTimer();
auto passed=t-t0;
t0=t;
FsPollDevice();
FsLazyWindowApplicationBase::GetApplication()->Interval();
if(0!=FsCheckWindowExposure() ||
true==FsLazyWindowApplicationBase::GetApplication()->NeedRedraw())
{
FsLazyWindowApplicationBase::GetApplication()->Draw();
}
auto sleepMS=FsLazyWindowApplicationBase::GetApplication()->GetMinimumSleepPerInterval();
if(sleepMS>passed)
{
FsSleep(sleepMS-(int)passed);
}
}
FsLazyWindowApplicationBase::GetApplication()->BeforeTerminate();
FsCloseWindow();
return 0;
}
