U0 PutKey(I64 ch=0,I64 sc=0)
{//See Keyboard Devices.
CKeyDevEntry *tmpk;
if (ch||sc) {
tmpk=keydev.put_key_head.next;
if (!Bt(&Fs->display_flags,DISPLAYf_SILENT)) {
if (kbd.scan_code & SCF_SCROLL && sys_focus_task==Fs)
while (kbd.scan_code & SCF_SCROLL)
Yield; //Wait on SCROLL LOCK Key
while (tmpk!=&keydev.put_key_head) {
if ((!(sc&SCF_KEY_DESC) || tmpk->flags & KDF_HAS_DESCS) &&
(*tmpk->put_key)(ch,sc))
break;
tmpk=tmpk->next;
}
}
}
}
U0 PutChars(U64 ch)
{//Output chars. Up to 8 chars in a single U64.
//Don't use this. See Print() shortcut.
while (ch) {
PutKey(ch&255,0);
ch>>=8;
}
}
U0 PutS(U8 *st)
{//Use Print(). See Keyboard Devices.
//Don't use this. See Print() shortcut.
I64 ch;
U8 *ptr;
Bool cont=TRUE;
if (!st) return;
CKeyDevEntry *tmpk=keydev.put_key_head.next;
if (!Bt(&Fs->display_flags,DISPLAYf_SILENT)) {
if (kbd.scan_code & SCF_SCROLL && sys_focus_task==Fs)
while (kbd.scan_code & SCF_SCROLL)
Yield;
while (cont && tmpk!=&keydev.put_key_head) {
if (tmpk->put_s) {
if ((*tmpk->put_s)(st))
break;
} else {
ptr=st;
while (ch=*ptr++)
if ((*tmpk->put_key)(ch,0))
cont=FALSE;
}
tmpk=tmpk->next;
}
}
}
U0 KeyDescSet(U8 *fmt,...)
{//Call this from key hndlr to report desc in KeyMap().
U8 *buf=StrPrintJoin(NULL,fmt,argc,argv);
StrCpy(keydev.desc,buf);
keydev.hndlr=Caller;
Free(buf);
}
U0 KeyDevRem(CKeyDevEntry *tmpk)
{//Remove StdOut hook and free.
QueRem(tmpk);
Free(tmpk);
}
CKeyDevEntry *KeyDevAdd(Bool (*fp_put_key)(I64 ch,I64 sc),
Bool (*fp_puts)(U8 *st),I64 priority,Bool key_descs=FALSE)
{//Places hook in StdOut chain. See Keyboard Devices.
CKeyDevEntry *tmpk=keydev.put_key_head.last,
*tmpk1=ACAlloc(sizeof(CKeyDevEntry));
tmpk1->put_key=fp_put_key;
tmpk1->put_s=fp_puts;
tmpk1->priority=priority;
if (key_descs)
tmpk1->flags|=KDF_HAS_DESCS;
while (tmpk->priority>priority)
tmpk=tmpk->last;
QueIns(tmpk1,tmpk);
if (tmpk->priority==priority)
KeyDevRem(tmpk);
return tmpk1;
}
Bool KDRawPutKey(I64 ch,I64)
{
if (IsRaw) {
RawPutChar(ch);
return TRUE;
} else
return FALSE;
}
Bool KDRawPutS(U8 *st)
{
I64 ch;
if (IsRaw) {
while (ch=*st++)
RawPutChar(ch);
return TRUE;
} else
return FALSE;
}
Bool KDInputFilterPutKey(I64 ch,I64 scan_code)
{
if (Bt(&Fs->task_flags,TASKf_INPUT_FILTER_TASK)) {
Msg(MSG_KEY_DOWN,ch,scan_code);
return TRUE;
} else
return FALSE;
}
Bool KDInputFilterPutS(U8 *st)
{
I64 ch;
if (Bt(&Fs->task_flags,TASKf_INPUT_FILTER_TASK)) {
while (ch=*st++)
Msg(MSG_KEY_DOWN,ch,0);
return TRUE;
} else
return FALSE;
}
U0 CtrlAltDel(I64)
{
LBts(sys_ctrl_alt_flags,CTRL_ALT_DEL);
}
U0 CtrlAltC(I64)
{
LBts(sys_ctrl_alt_flags,CTRL_ALT_C);
}
U0 CtrlAltD(I64)
{
if (!IsDbgMode) {
if (Fs==Gs->idle_task)
BptS(sys_winmgr_task->rip,sys_winmgr_task);
else
BptS(*keydev.ctrl_alt_ret_addr);
}
}
U0 CtrlAltF(I64)
{
SwapI64(&text.font,&text.aux_font);
}
U0 CtrlAltM(I64)
{
Mute(!IsMute);
}
U0 CtrlAltN(I64)
{
LBts(sys_ctrl_alt_flags,CTRL_ALT_TAB);
}
U0 CtrlAltT(I64)
{
User;
}
U0 CtrlAltV(I64)
{
VGAFlush;
}
U0 CtrlAltX(I64)
{
LBts(sys_ctrl_alt_flags,CTRL_ALT_X);
}
U0 CtrlAltCBSet(U8 ch,U0 (*fp_hndlr)(I64 sc),
U8 *no_shift_desc=NULL,U8 *shift_desc=NULL,Bool in_irq=FALSE)
{//Set callback for <CTRL-ALT-letter>.
ch=ToUpper(ch)-'A';
if (ch<26) {
keydev.fp_ctrl_alt_cbs[ch]=fp_hndlr;
Free(keydev.ctrl_alt_no_shift_descs[ch]);
if (no_shift_desc)
keydev.ctrl_alt_no_shift_descs[ch]=AStrNew(no_shift_desc);
else
keydev.ctrl_alt_no_shift_descs[ch]=NULL;
Free(keydev.ctrl_alt_shift_descs[ch]);
if (shift_desc)
keydev.ctrl_alt_shift_descs[ch]=AStrNew(shift_desc);
else
keydev.ctrl_alt_shift_descs[ch]=NULL;
BEqu(&keydev.ctrl_alt_in_irq_flags,ch,in_irq);
}
}
U0 KeyDevInit()
{
keydev.fp_ctrl_alt_cbs =CAlloc(26*sizeof(U8 *));
keydev.ctrl_alt_no_shift_descs=CAlloc(26*sizeof(U8 *));
keydev.ctrl_alt_shift_descs =CAlloc(26*sizeof(U8 *));
keydev.ctrl_alt_in_irq_flags =0;
MemSet(&keydev.put_key_head,0,sizeof(CKeyDevEntry));
QueInit(&keydev.put_key_head);
KeyDevAdd(&KDInputFilterPutKey,&KDInputFilterPutS,0x40000000,FALSE);
KeyDevAdd(&KDRawPutKey,&KDRawPutS,0x60000000,FALSE);
CtrlAltCBSet('C',&CtrlAltC,"Cmd/Break Execution",,TRUE);
CtrlAltCBSet('D',&CtrlAltD,"Cmd/Enter Debugger",,TRUE);
CtrlAltCBSet('F',&CtrlAltF,"Cmd/Toggle Aux Font");
CtrlAltCBSet('M',&CtrlAltM,"Cmd/Toggle Mute");
CtrlAltCBSet('N',&CtrlAltN,"Cmd/Next Focus Task",,TRUE);
CtrlAltCBSet('T',&CtrlAltT,"Cmd/Terminal Window");
CtrlAltCBSet('V',&CtrlAltV,"Cmd/VGA Flush",,TRUE);
CtrlAltCBSet('X',&CtrlAltX,"Cmd/Kill Focused Task",,TRUE);
}