BOOL GUIAPI EmptyMessageQueue (HWND hWnd)
{
PMSGQUEUE pMsgQueue;
PQMSG pQMsg, temp;
if (!(pMsgQueue = GetMsgQueue(hWnd)))
return FALSE;
if (pMsgQueue->pFirstNotifyMsg) {
pQMsg = pMsgQueue->pFirstNotifyMsg;
while (pQMsg) {
temp = pQMsg->next;
FreeQMSG (pQMsg);
pQMsg = temp;
}
}
pMsgQueue->pFirstNotifyMsg = NULL;
pMsgQueue->pLastNotifyMsg = NULL;
pMsgQueue->readpos = 0;
pMsgQueue->writepos = 0;
TerminateTimer ();
pMsgQueue->dwState = QS_EMPTY;
pMsgQueue->TimerMask = 0;
return TRUE;
}
int GUIAPI PostMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam)
{
PMSGQUEUE pMsgQueue;
MSG msg;
if (!(pMsgQueue = GetMsgQueue(hWnd)))
return ERR_INV_HWND;
if (iMsg == MSG_PAINT) {
LOCK_MSGQ (pMsgQueue);
pMsgQueue->dwState |= QS_PAINT;
UNLOCK_MSGQ (pMsgQueue);
#ifndef _LITE_VERSION
if ( !BE_THIS_THREAD(hWnd) )
POST_MSGQ(pMsgQueue);
#endif
return ERR_OK;
}
msg.hwnd = hWnd;
msg.message = iMsg;
msg.wParam = wParam;
msg.lParam = lParam;
if (!QueueMessage(pMsgQueue, &msg))
return ERR_QUEUE_FULL;
return ERR_OK;
}
static void
input_task(void *arg)
{
unsigned char scode;
unsigned ch;
while (true)
{
if ( !GetMsgQueue(scan_mq, &scode) )
continue;
/* Perform make/break processing. */
if ( (ch = make_break(scode)) == NONE )
continue;
if (1 <= ch && ch <= 0xFF)
/* A normal character. */
PutMsgQueue(key_mq, &ch);
else if (HOME <= ch && ch <= INSRT)
{
/* An ASCII escape sequence generated by the numeric pad. */
unsigned c = ESC;
PutMsgQueue(key_mq, &c);
c = '[';
PutMsgQueue(key_mq, &c);
c = numpad_map[ch - HOME];
PutMsgQueue(key_mq, &c);
}
else
{
// Aquí deberían procesarse teclas especiales de procesamiento
// inmediato como Fn, Alt-Fn, etc.
}
}
}
static void
input_task(void *arg){
unsigned char scode;
unsigned ch;
int tty_num=-1;
while (true)
{
tty_num=-1;
if ( !GetMsgQueue(scan_mq, &scode) )
continue;
/* Perform make/break processing. */
if ( (ch = make_break(scode)) == NONE )
continue;
if (1 <= ch && ch <= 0xFF)
/* A normal character. */
PutMsgQueue(key_mq, &ch);
else if (HOME <= ch && ch <= INSRT)
{
/* An ASCII escape sequence generated by the numeric pad. */
unsigned c = ESC;
PutMsgQueue(key_mq, &c);
c = '[';
PutMsgQueue(key_mq, &c);
c = numpad_map[ch - HOME];
PutMsgQueue(key_mq, &c);
}else{
// Aquí deberían procesarse teclas especiales de procesamiento
// inmediato como Fn, Alt-Fn, etc.
switch( ch ){
case AF1:
tty_num = 0;
break;
case AF2:
tty_num = 1;
break;
case AF3:
tty_num = 2;
break;
case AF4:
tty_num = 3;
break;
}
if(tty_num != -1){
clearAllTabs();
turnOnOFFTab(ON, tty_num+1);
turnOffMouse();
switch_focus(tty_num);
turnOnMouse();
}
}
}
}
/* send a synchronous message to a window in a different thread */
int SendSyncMessage (HWND hWnd, int msg, WPARAM wParam, LPARAM lParam)
{
PMSGQUEUE pMsgQueue, thinfo = NULL;
SYNCMSG SyncMsg;
sem_t sync_msg;
if (!(pMsgQueue = GetMsgQueue(hWnd)))
return ERR_INV_HWND;
if ((thinfo = GetMsgQueueThisThread ())) {
/* avoid to create a new semaphore object */
SyncMsg.sem_handle = &thinfo->sync_msg;
}
else {
/* this is not a GUI thread */
sem_init (&sync_msg, 0, 0);
SyncMsg.sem_handle = &sync_msg;
}
/* queue the sync message. */
SyncMsg.Msg.hwnd = hWnd;
SyncMsg.Msg.message = msg;
SyncMsg.Msg.wParam = wParam;
SyncMsg.Msg.lParam = lParam;
SyncMsg.retval = ERR_MSG_CANCELED;
SyncMsg.pNext = NULL;
LOCK_MSGQ (pMsgQueue);
if (pMsgQueue->pFirstSyncMsg == NULL) {
pMsgQueue->pFirstSyncMsg = pMsgQueue->pLastSyncMsg = &SyncMsg;
}
else {
pMsgQueue->pLastSyncMsg->pNext = &SyncMsg;
pMsgQueue->pLastSyncMsg = &SyncMsg;
}
pMsgQueue->dwState |= QS_SYNCMSG;
UNLOCK_MSGQ (pMsgQueue);
POST_MSGQ (pMsgQueue);
/* suspend until the message has been handled. */
if (sem_wait (SyncMsg.sem_handle) < 0) {
fprintf (stderr,
"SendSyncMessage: thread is interrupted abnormally!\n");
}
if (thinfo == NULL)
sem_destroy (&sync_msg);
return SyncMsg.retval;
}
BOOL GUIAPI PeekPostMessage (PMSG pMsg, HWND hWnd, int iMsgFilterMin,
int iMsgFilterMax, UINT uRemoveMsg)
{
PMSGQUEUE pMsgQueue;
PMSG pPostMsg;
if (!pMsg)
return FALSE;
if (!(pMsgQueue = GetMsgQueue(hWnd)))
return FALSE;
LOCK_MSGQ (pMsgQueue);
memset (pMsg, 0, sizeof(MSG));
if (pMsgQueue->dwState & QS_POSTMSG) {
if (pMsgQueue->readpos != pMsgQueue->writepos) {
pPostMsg = pMsgQueue->msg + pMsgQueue->readpos;
if (iMsgFilterMin == 0 && iMsgFilterMax == 0)
*pMsg = *pPostMsg;
else if (pPostMsg->message <= iMsgFilterMax &&
pPostMsg->message >= iMsgFilterMin)
*pMsg = *pPostMsg;
else {
UNLOCK_MSGQ (pMsgQueue);
return FALSE;
}
SET_PADD (NULL);
if (uRemoveMsg == PM_REMOVE) {
pMsgQueue->readpos++;
if (pMsgQueue->readpos >= pMsgQueue->len)
pMsgQueue->readpos = 0;
}
UNLOCK_MSGQ (pMsgQueue);
return TRUE;
}
}
UNLOCK_MSGQ (pMsgQueue);
return FALSE;
}
int GUIAPI SendNotifyMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam)
{
PMSGQUEUE pMsgQueue;
PQMSG pqmsg;
MG_CHECK_RET (MG_IS_WINDOW(hWnd), ERR_INV_HWND);
if (!(pMsgQueue = GetMsgQueue(hWnd)))
return ERR_INV_HWND;
pqmsg = QMSGAlloc();
LOCK_MSGQ (pMsgQueue);
/* queue the notification message. */
pqmsg->Msg.hwnd = hWnd;
pqmsg->Msg.message = iMsg;
pqmsg->Msg.wParam = wParam;
pqmsg->Msg.lParam = lParam;
pqmsg->next = NULL;
if (pMsgQueue->pFirstNotifyMsg == NULL) {
pMsgQueue->pFirstNotifyMsg = pMsgQueue->pLastNotifyMsg = pqmsg;
}
else {
pMsgQueue->pLastNotifyMsg->next = pqmsg;
pMsgQueue->pLastNotifyMsg = pqmsg;
}
pMsgQueue->dwState |= QS_NOTIFYMSG;
UNLOCK_MSGQ (pMsgQueue);
#ifndef _LITE_VERSION
if ( !BE_THIS_THREAD(hWnd) )
POST_MSGQ(pMsgQueue);
#endif
return ERR_OK;
}
/* wait for message */
BOOL GUIAPI WaitMessage (PMSG pMsg, HWND hWnd)
{
PMSGQUEUE pMsgQueue;
if (!pMsg)
return FALSE;
if (!(pMsgQueue = GetMsgQueue(hWnd)))
return FALSE;
memset (pMsg, 0, sizeof(MSG));
checkagain:
LOCK_MSGQ (pMsgQueue);
if (pMsgQueue->dwState & QS_QUIT) {
goto getit;
}
#ifndef _LITE_VERSION
if (pMsgQueue->dwState & QS_SYNCMSG) {
if (pMsgQueue->pFirstSyncMsg) {
goto getit;
}
}
#endif
if (pMsgQueue->dwState & QS_NOTIFYMSG) {
if (pMsgQueue->pFirstNotifyMsg) {
goto getit;
}
}
if (pMsgQueue->dwState & QS_POSTMSG) {
if (pMsgQueue->readpos != pMsgQueue->writepos) {
goto getit;
}
}
if (pMsgQueue->dwState & QS_PAINT) {
goto getit;
}
#ifdef _LITE_VERSION
if (pMsgQueue->dwState & QS_DESKTIMER) {
goto getit;
}
#endif
if (pMsgQueue->TimerMask) {
goto getit;
}
#ifndef _LITE_VERSION
/* no message, wait again. */
UNLOCK_MSGQ (pMsgQueue);
sem_wait (&pMsgQueue->wait);
#else
/* no message, idle */
pMsgQueue->OnIdle (pMsgQueue);
#endif
goto checkagain;
getit:
UNLOCK_MSGQ (pMsgQueue);
return TRUE;
}
BOOL GUIAPI HavePendingMessageEx (HWND hWnd, BOOL bNoDeskTimer)
{
PMSGQUEUE pMsgQueue;
if (hWnd == 0) {
#ifndef _LITE_VERSION
if (!(pMsgQueue = GetMsgQueueThisThread ()))
return FALSE;
#else
pMsgQueue = __mg_dsk_msg_queue;
#endif
}
else {
if (!(pMsgQueue = GetMsgQueue(hWnd)))
return FALSE;
}
LOCK_MSGQ (pMsgQueue);
#ifndef _LITE_VERSION
if (pMsgQueue->dwState & QS_SYNCMSG) {
if (pMsgQueue->pFirstSyncMsg) goto retok;
}
#endif
if (pMsgQueue->dwState & QS_NOTIFYMSG) {
if (pMsgQueue->pFirstNotifyMsg) goto retok;
}
if (pMsgQueue->dwState & QS_POSTMSG) {
if (pMsgQueue->readpos != pMsgQueue->writepos) goto retok;
}
if (pMsgQueue->dwState & (QS_QUIT | QS_PAINT)) {
goto retok;
}
if (pMsgQueue->TimerMask)
goto retok;
#ifdef _LITE_VERSION
/*
* FIXME
* We do not need to check QS_DESKTIMER, because it is for the
* desktop window, and user don't care it.
*/
if (!bNoDeskTimer && (pMsgQueue->dwState & QS_DESKTIMER)) {
goto retok;
}
#endif
UNLOCK_MSGQ (pMsgQueue);
#ifdef _LITE_VERSION
return pMsgQueue->OnIdle (NULL);
#else
return FALSE;
#endif
retok:
UNLOCK_MSGQ (pMsgQueue);
return TRUE;
}
bool
mt_kbd_getch(unsigned *c){
*c = 0;
return GetMsgQueue(mt_curr_task->ttyp->key_mq, c);
}
bool
mt_kbd_getch(unsigned *c)
{
*c = 0;
return GetMsgQueue(key_mq, c);
}