void
GsSelect(void)
{
struct MW_UID_MESSAGE m;
int rc;
unsigned int timeout = 10;
/* perform pre-select duties, if any*/
if(scrdev.PreSelect)
{
scrdev.PreSelect(&scrdev);
}
/* let's make sure that the type is invalid */
m.type = MV_UID_INVALID;
/* wait up to 100 milisecons for events */
rc = uid_read_message( &m, timeout );
/* return if timed-out or something went wrong */
if( rc < 0 )
{
if( errno != ETIMEDOUT )
EPRINTF( " rc= %d, errno=%d\n", rc, errno );
else
{
/* timeout handling */
}
return;
}
/* let's pass the event up to microwindows */
switch( m.type )
{
/* Mouse or Touch Screen event */
case MV_UID_REL_POS:
case MV_UID_ABS_POS:
m_mou = m;
while(GsCheckMouseEvent())
continue;
break;
/* KBD event */
case MV_UID_KBD:
m_kbd = m;
GsCheckKeyboardEvent();
break;
/* micro-windows does nothing with those.. */
case MV_UID_TIMER:
case MV_UID_INVALID:
default:
;
}
}
void receive_uid_message(void)
{
int rc;
struct MW_UID_MESSAGE uid;
rc = uid_read_message( &uid, 0 );
if ( rc != sizeof(struct MW_UID_MESSAGE) )
return;
printf_uid_message( &uid );
}
void MwSelect (void)
{
struct MW_UID_MESSAGE m;
int rc;
unsigned int timeout = 0;
/* perform pre-select duties, if any*/
if (scrdev.PreSelect)
scrdev.PreSelect (&scrdev);
/* Set up the timeout for the main select().
* If the mouse is captured we're probably moving a window,
* so poll quickly to allow other windows to repaint while
* checking for more event input.
*/
if (!dragwp) {
timeout = MwGetNextTimeoutValue (); /* returns ms*/
if (timeout < 10)
timeout = 10; /* 10ms required for vt fb switch*/
}
/* let's make sure that the type is invalid */
m.type = MV_UID_INVALID;
/* wait up to 100 milisecons for events */
rc = uid_read_message (&m, timeout);
/* return if timed-out or something went wrong */
if (rc < 0) {
if ( errno != ETIMEDOUT )
EPRINTF (" rc= %d, errno=%d\n", rc, errno);
else {
MwHandleTimers ();
}
return;
}
/* let's pass the event up to microwindows */
switch (m.type) {
case MV_UID_REL_POS: /* Mouse or Touch Screen event */
case MV_UID_ABS_POS:
m_mou = m;
while (MwCheckMouseEvent ()) continue;
break;
case MV_UID_KBD: /* KBD event */
m_kbd = m;
MwCheckKeyboardEvent();
break;
case MV_UID_TIMER: /* Microwindows does nothing with these.. */
case MV_UID_INVALID:
default:
break;
}
}
void
GsSelect (GR_TIMEOUT timeout)
{
struct MW_UID_MESSAGE m;
long uid_timeout;
GR_EVENT_GENERAL *gp;
int rc;
#if MW_FEATURE_TIMERS
struct timeval tout;
#endif
/* perform pre-select duties, if any*/
if (scrdev.PreSelect)
scrdev.PreSelect(&scrdev);
/* let's make sure that the type is invalid */
m.type = MV_UID_INVALID;
/* wait up for events */
if (timeout == (GR_TIMEOUT) -1)
uid_timeout = 0;
else {
#if MW_FEATURE_TIMERS
if (GdGetNextTimeout(&tout, timeout))
uid_timeout = tout.tv_sec * 1000 + (tout.tv_usec + 500) / 1000;
else
#endif
{
if (timeout == 0)
uid_timeout = (unsigned long) -1;
else
uid_timeout = timeout;
}
}
rc = uid_read_message (&m, uid_timeout);
/* return if timed-out or something went wrong */
if (rc < 0)
{
if (errno != ETIMEDOUT)
EPRINTF(" rc= %d, errno=%d\n", rc, errno);
else
{
#if MW_FEATURE_TIMERS
/* check for timer timeouts and service if found*/
if (GdTimeout())
#else
if (timeout != 0)
#endif
{
/*
* Timeout has occured. Currently return a timeout event
* regardless of whether client has selected for it.
*/
if ((gp = (GR_EVENT_GENERAL *)GsAllocEvent(curclient)) != NULL)
gp->type = GR_EVENT_TYPE_TIMEOUT;
}
}
return;
}
/* let's pass the event up to Microwindows */
switch (m.type) {
case MV_UID_REL_POS: /* Mouse or Touch Screen event */
case MV_UID_ABS_POS:
m_mou = m;
while (GsCheckMouseEvent())
continue;
break;
case MV_UID_KBD: /* KBD event */
m_kbd = m;
GsCheckKeyboardEvent ();
break;
case MV_UID_TIMER: /* Microwindows does nothing with these.. */
case MV_UID_INVALID:
default:
break;
}
}
