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#include <u.h>
#include <libc.h>
#include "compat.h"
#include "kbd.h"
#include "ksym2utf.h"
enum
{
VKSpecial = 0xff00,
/*
* plan 9 key mappings
*/
Spec= 0xF800,
PF= Spec|0x20, /* num pad function key */
View= Spec|0x00, /* view (shift window up) */
KF= 0xF000, /* function key (begin Unicode private space) */
Shift= Spec|0x60,
Break= Spec|0x61,
Ctrl= Spec|0x62,
Latin= Spec|0x63,
Caps= Spec|0x64,
Num= Spec|0x65,
Middle= Spec|0x66,
No= 0x00, /* peter */
Home= KF|13,
Up= KF|14,
Pgup= KF|15,
Print= KF|16,
Left= KF|17,
Right= KF|18,
End= '\r',
Down= View,
Pgdown= KF|19,
Ins= KF|20,
Del= 0x7F,
Scroll= KF|21,
Esc = 0x1b,
Delete = 0x7f,
};
static Rune vnckeys[] =
{
[0x00] No, No, No, No, No, No, No, No,
[0x08] '\b', '\t', '\r', No, No, '\n', No, No,
[0x10] No, No, No, No, Scroll, No, No, No,
[0x18] No, No, No, Esc, No, No, No, No,
[0x20] No, No, No, No, No, No, No, No,
[0x28] No, No, No, No, No, No, No, No,
[0x30] No, No, No, No, No, No, No, No,
[0x38] No, No, No, No, No, No, No, No,
[0x40] No, No, No, No, No, No, No, No,
[0x48] No, No, No, No, No, No, No, No,
[0x50] Home, Left, Up, Right, Down, Pgup, Pgdown, No,
[0x58] No, No, No, No, No, No, No, No,
[0x60] No, Print, No, Ins, No, No, No, No,
[0x68] No, No, No, Break, No, No, No, No,
[0x70] No, No, No, No, No, No, No, No,
[0x78] No, No, No, No, No, No, No, Num,
[0x80] No, No, No, No, No, No, No, No,
[0x88] No, No, No, No, No, No, No, No,
[0x90] No, No, No, No, No, No, No, No,
[0x98] No, No, No, No, No, No, No, No,
[0xa0] No, No, No, No, No, No, No, No,
[0xa8] No, No, '*', '+', No, '-', '.', '/',
[0xb0] '0', '1', '2', '3', '4', '5', '6', '7',
[0xb8] '8', '9', No, No, No, '=', No, No,
[0xc0] No, No, No, No, No, No, No, No,
[0xc8] No, No, No, No, No, No, No, No,
[0xd0] No, No, No, No, No, No, No, No,
[0xd8] No, No, No, No, No, No, No, No,
[0xe0] No, Shift, Shift, Ctrl, Ctrl, Caps, Caps, No,
[0xe8] No, Latin, Latin, No, No, No, No, No,
[0xf0] No, No, No, No, No, No, No, No,
[0xf8] No, No, No, No, No, No, No, Delete,
};
/*
* keyboard interrupt
*/
void
vncputc(int keyup, int c)
{
int i;
static int esc1, esc2;
static int alt, caps, ctl, num, shift;
static int collecting, nk;
static Rune kc[5];
if(caps && c<='z' && c>='a')
c += 'A' - 'a';
/*
* character mapping
*/
if((c & VKSpecial) == VKSpecial){
c = vnckeys[c & 0xff];
if(c == No)
return;
}
/*
* map an xkeysym onto a utf-8 char
*/
if((c & 0xff00) && c < nelem(ksym2utf) && ksym2utf[c] != 0)
c = ksym2utf[c];
/*
* keyup only important for shifts
*/
if(keyup){
switch(c){
case Latin:
alt = 0;
break;
case Shift:
shift = 0;
break;
case Ctrl:
ctl = 0;
break;
}
return;
}
/*
* normal character
*/
if(!(c & (Spec|KF))){
if(ctl){
c &= 0x1f;
}
if(!collecting){
kbdputc(c);
return;
}
kc[nk++] = c;
c = latin1(kc, nk);
if(c < -1) /* need more keystrokes */
return;
if(c != -1) /* valid sequence */
kbdputc(c);
else /* dump characters */
for(i=0; i<nk; i++)
kbdputc(kc[i]);
nk = 0;
collecting = 0;
return;
}else{
switch(c){
case Caps:
caps ^= 1;
return;
case Num:
num ^= 1;
return;
case Shift:
shift = 1;
return;
case Latin:
alt = 1;
collecting = 1;
nk = 0;
return;
case Ctrl:
ctl = 1;
return;
}
}
kbdputc(c);
}
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