templeos-info/public/Wb/Kernel/SerialDev/Message.HC

245 lines
6.4 KiB
HolyC
Executable File
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U0 InputFilterTask()
{
CJob *tmpc,*tmpc1;
Bool old_filter;
I64 old_flags=GetRFlags;
Fs->win_inhibit=WIG_USER_TASK_DFT;
LBts(&Fs->task_flags,TASKf_INPUT_FILTER_TASK);
old_filter=LBts(&Fs->last_input_filter_task->task_flags,TASKf_FILTER_INPUT);
LBEqu(&Fs->task_flags,TASKf_FILTER_INPUT,old_filter);
while (TRUE) {
CLI
JobsHndlr(old_flags);
tmpc1=&Fs->srv_ctrl.next_waiting;
tmpc=tmpc1->next;
if (tmpc==tmpc1)
break;
else {
if (tmpc->job_code==JOBT_TEXT_INPUT) {
QueRem(tmpc);
SetRFlags(old_flags);
try
ExePrint("%s",tmpc->aux_str);
catch
Fs->catch_except=TRUE;
JobDel(tmpc);
} else
break;
}
}
Fs->next_input_filter_task->last_input_filter_task=Fs->last_input_filter_task;
Fs->last_input_filter_task->next_input_filter_task=Fs->next_input_filter_task;
if (!old_filter)
LBtr(&Fs->last_input_filter_task->task_flags,TASKf_FILTER_INPUT);
SetRFlags(old_flags);
}
I64 ScanMsg(I64 *_arg1=NULL,I64 *_arg2=NULL,I64 mask=~1,CTask *task=NULL)
{/*Check for a message of type specified by a one in the mask.
Throw-out messages not in mask.
If no message fit mask, return NULL immediately.
Remove desired message, return $LK,"msg_code",A="MN:MSG_CMD"$.
Note: This delivers messages from parent down to pop-up.
*/
I64 res,old_flags;
CJob *tmpc,*tmpc1;
if (!task) task=Fs;
old_flags=GetRFlags;
tmpc1=&task->srv_ctrl.next_waiting;
while (TRUE) {
CLI
if (task==Fs)
JobsHndlr(old_flags);
tmpc=tmpc1->next;
if (tmpc==tmpc1)
break;
else {
if (tmpc->job_code==JOBT_MSG) {
QueRem(tmpc);
SetRFlags(old_flags);
res=tmpc->msg_code;
if (_arg1)
*_arg1=tmpc->aux1;
if (_arg2)
*_arg2=tmpc->aux2;
JobDel(tmpc);
if ((res!=MSG_KEY_DOWN || !(tmpc->aux2&SCF_KEY_DESC) ||
!Bt(&task->win_inhibit,WIf_SELF_KEY_DESC)) && Bt(&mask,res))
goto sm_done;
}
}
SetRFlags(old_flags);
}
res=MSG_NULL;
if (_arg1)
*_arg1=0;
if (_arg2)
*_arg2=0;
if (task->parent_task&&task->parent_task->popup_task==task) {
SetRFlags(old_flags);
return ScanMsg(_arg1,_arg2,mask,task->parent_task);
}
sm_done:
SetRFlags(old_flags);
return res;
}
I64 FlushMsgs(CTask *task=NULL)
{//Throw away all messages. Return count.
I64 res=0,arg1,arg2;
while (ScanMsg(&arg1,&arg2,~1,task))
res++;
return res;
}
I64 GetMsg(I64 *_arg1=NULL,I64 *_arg2=NULL,I64 mask=~1,CTask *task=NULL)
{//Wait for a message of type specified by a one in the mask.
//Throw-out all messages not in mask.
//Returns $LK,"msg_code",A="MN:MSG_CMD"$. See $LK,"::/Demo/MsgLoop.HC"$.
I64 res;
if (!task) task=Fs;
LBtr(&task->task_flags,TASKf_IDLE);
while (!(res=ScanMsg(_arg1,_arg2,mask,task))) {
LBts(&task->task_flags,TASKf_IDLE);
Yield;
}
LBtr(&task->task_flags,TASKf_IDLE);
return res;
}
I64 ScanChar()
{//Checks for $LK,"MSG_KEY_DOWN",A="MN:MSG_KEY_DOWN"$ and returns 0 immediately if no key.
//Waits for $LK,"MSG_KEY_UP",A="MN:MSG_KEY_UP"$ of non-zero $LK,"ASCII",A="MN:CH_CTRLA"$ key and returns $LK,"ASCII",A="MN:CH_CTRLA"$ if key.
//$LK,"ScanMsg",A="MN:ScanMsg"$() throws away other message types.
I64 arg1a,arg2a,arg1b,arg2b;
if (!ScanMsg(&arg1a,&arg2a,1<<MSG_KEY_DOWN)||!arg1a)
return 0;
else
do GetMsg(&arg1b,&arg2b,1<<MSG_KEY_UP);
while (!arg1b); //Be careful of $LK,"SC_SHIFT",A="MN:SC_SHIFT"$ and $LK,"SC_CTRL",A="MN:SC_CTRL"$, etc.
return arg1a;
}
Bool ScanKey(I64 *_ch=NULL,I64 *_scan_code=NULL,Bool echo=FALSE)
{//Checks for $LK,"MSG_KEY_DOWN",A="MN:MSG_KEY_DOWN"$ and returns FALSE immediately if no key.
//Sets $LK,"ASCII",A="MN:CH_CTRLA"$ and $LK,"scan_code",A="FI:::/Doc/CharOverview.DD"$.
//Removes key message and returns TRUE.
//$LK,"ScanMsg",A="MN:ScanMsg"$() throws away other message types.
I64 ch=0,sc=0;
if (ScanMsg(&ch,&sc,1<<MSG_KEY_DOWN)) {
if (_ch) *_ch=ch;
if (_scan_code) *_scan_code=sc;
if (echo)
PutKey(ch,sc);
return TRUE;
} else {
if (_ch) *_ch=0;
if (_scan_code) *_scan_code=0;
return FALSE;
}
}
I64 GetKey(I64 *_scan_code=NULL,Bool echo=FALSE,Bool raw_cursor=FALSE)
{//Waits for $LK,"MSG_KEY_DOWN",A="MN:MSG_KEY_DOWN"$ message and returns $LK,"ASCII",A="MN:CH_CTRLA"$.
//Sets $LK,"scan_code",A="FI:::/Doc/CharOverview.DD"$.
//$LK,"ScanKey",A="MN:ScanKey"$() throws away other message types.
I64 ch,sc;
Bool cursor_on=FALSE;
while (!ScanKey(&ch,&sc,FALSE)) {
if (IsRaw && raw_cursor) {
if (!cursor_on && ToI64(GetTSC*5/cnts.time_stamp_freq)&1) {
'<EFBFBD>';
cursor_on=TRUE;
} else if (cursor_on && !(ToI64(GetTSC*5/cnts.time_stamp_freq)&1)) {
'' CH_BACKSPACE;
cursor_on=FALSE;
}
}
LBts(&Fs->task_flags,TASKf_IDLE);
if (IsDbgMode) {
//We don't want interrupt-driven keyboard when in debugger
//because that could have side-effects or crash, so we poll
//keyboard when in debugger with interrupts off.
PUSHFD
CLI
KbdMsHndlr(TRUE,FALSE);
KbdMsgsQue;
POPFD
} else {
LBts(&Fs->task_flags,TASKf_AWAITING_MSG);
Yield;
}
LBtr(&Fs->task_flags,TASKf_IDLE);
}
if (IsRaw && raw_cursor && cursor_on)
'' CH_BACKSPACE;
if (echo)
PutKey(ch,sc);
if (_scan_code) *_scan_code=sc;
return ch;
}
I64 GetChar(I64 *_scan_code=NULL,Bool echo=TRUE,Bool raw_cursor=FALSE)
{//Waits for non-zero $LK,"ASCII",A="MN:CH_CTRLA"$ key.
//Sets $LK,"scan_code",A="FI:::/Doc/CharOverview.DD"$.
I64 ch1;
do ch1=GetKey(_scan_code,FALSE,raw_cursor);
while (!ch1);
if (echo)
"$$PT$$%c$$FG$$",ch1;
return ch1;
}
U8 *GetStr(U8 *msg=NULL,U8 *dft=NULL,I64 flags=0)
{//Returns a $LK,"MAlloc",A="MN:MAlloc"$()ed prompted string. See $LK,"Flags",A="MN:GSF_SHIFT_ESC_EXIT"$.
U8 *st;
if (msg)
"" msg,dft;
st=(*fp_getstr2)(flags);
if (!*st) {
Free(st);
if (dft)
return StrNew(dft);
else
return StrNew("");
}
return st;
}
I64 GetS(U8 *buf,I64 size,Bool allow_ext=TRUE)
{//Prompt into fixed length string. Size must include terminator.
U8 *st;
I64 ch,i=0;
if (!size || !buf) return 0;
if (allow_ext) {
st=GetStr;
if (StrLen(st)>size-1) {
MemCpy(buf,st,size-1);
buf[size-1]=0;
} else
StrCpy(buf,st);
i=StrLen(buf);
Free(st);
} else {
while (TRUE) {
ch=GetChar(,FALSE,IsDbgMode);
if (ch=='\n') {
'' ch;
break;
} else if (ch==CH_BACKSPACE) {
if (i>0) {
i--;
'' ch;
}
} else {
if (i<size-1) {
buf[i++]=ch;
'' ch;
}
}
}
buf[i]=0;
}
return i;
}