#include "u.h"
#include "lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "io.h"
#include "ureg.h"
#include "errno.h"
#include <libg.h>
#include <gnot.h>
#include "screen.h"
#define MINX 8
extern GFont defont0;
GFont *defont;
struct{
Point pos;
int bwid;
}out;
void (*kprofp)(ulong);
GBitmap gscreen =
{
(ulong*)SCREENSEGM,
0,
1152/32,
0,
{0, 0, 1152, 900},
0
};
void
screeninit(void)
{
defont = &defont0;
gbitblt(&gscreen, Pt(0, 0), &gscreen, gscreen.r, 0);
out.pos.x = MINX;
out.pos.y = 0;
out.bwid = defont0.info[' '].width;
}
void
screenputc(int c)
{
char buf[2];
int nx;
if(c == '\n'){
out.pos.x = MINX;
out.pos.y += defont0.height;
if(out.pos.y > gscreen.r.max.y-defont0.height)
out.pos.y = gscreen.r.min.y;
gbitblt(&gscreen, Pt(0, out.pos.y), &gscreen,
Rect(0, out.pos.y, gscreen.r.max.x, out.pos.y+2*defont0.height), 0);
}else if(c == '\t'){
out.pos.x += (8-((out.pos.x-MINX)/out.bwid&7))*out.bwid;
if(out.pos.x >= gscreen.r.max.x)
screenputc('\n');
}else if(c == '\b'){
if(out.pos.x >= out.bwid+MINX){
out.pos.x -= out.bwid;
screenputc(' ');
out.pos.x -= out.bwid;
}
}else{
if(out.pos.x >= gscreen.r.max.x-out.bwid)
screenputc('\n');
buf[0] = c&0x7F;
buf[1] = 0;
out.pos = gstring(&gscreen, out.pos, defont, buf, S);
}
}
void
screenputs(char *s, int n)
{
while(n-- > 0)
screenputc(*s++);
}
/*
* Map is indexed by keyboard char, output is ASCII.
* Gnotisms: Return sends newline and Line Feed sends carriage return.
* Delete and Backspace both send backspace.
* Num Lock sends delete (rubout).
* Alt Graph is VIEW (scroll).
* Compose builds Latin-1 characters.
*/
uchar keymap[128] = {
/* 00 L1 02 L2 04 F1 F2 07 */
0xFF, 0x80, 0xFF, 0x81, 0xFF, 0x82, 0x83, 0xFF,
/* F3 09 F4 0b F5 altgr F6 0f */
0x84, 0xFF, 0x85, 0xFF, 0x86, 0x80, 0x87, 0xFF,
/* F7 F8 F9 Alt 14 R1 R2 R3 */
0x88, 0x89, 0x8a, 0x8b, 0xFF, 0x8c, 0x8d, 0x8e,
/* 18 L3 L4 1b 1c Esc 1 2 */
0xFF, 0x8f, 0x90, 0xFF, 0xFF, 0x1b, '1', '2',
/* 3 4 5 6 7 8 9 0 */
'3', '4', '5', '6', '7', '8', '9', '0',
/* - = ` bs 2c R4 R5 R6 */
'-', '=', '`', '\b', 0xFF, 0x91, 0x92, 0x93,
/* 30 L5 del L6 34 tab q w */
0xFF, 0x94, 0xFF, 0x95, 0xFF, '\t', 'q', 'w',
/* e r t y u i o p */
'e', 'r', 't', 'y', 'u', 'i', 'o', 'p',
/* [ ] dele comp R7 R8 R9 r - */
'[', ']', '\b', 0xB6, 0x96, 0x97, 0x98, 0xFF,
/* L7 L8 4a 4b ctrl a s d */
0x99, 0x9a, 0xFF, 0xFF, 0xF0, 'a', 's', 'd',
/* f g h j k l ; ' */
'f', 'g', 'h', 'j', 'k', 'l', ';', '\'',
/* \ ret enter R10 R11 R12 ins L9 */
'\\', '\n', 0xFF, 0x9b, 0x9c, 0x9d, 0xFF, 0x9e,
/* 60 L10 numlk shift z x c v */
0xFF, 0x9f, 0x7F, 0xF1, 'z', 'x', 'c', 'v',
/* b n m , . / shift lf */
'b', 'n', 'm', ',', '.', '/', 0xF1, '\r',
/* R13 R14 R15 73 74 75 help caps */
0xA0, 0xA1, 0xA2, 0xFF, 0xFF, 0xFF, 0xFF, 0xF2,
/* lloz 79 rloz 7b 7c r + 7e 7f */
0xA3, ' ', 0xA4, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
};
uchar keymapshift[128] = {
/* 00 L1 02 L2 04 F1 F2 07 */
0xFF, 0x80, 0xFF, 0x81, 0xFF, 0x82, 0x83, 0xFF,
/* F3 09 F4 0b F5 altgr F6 0f */
0x84, 0xFF, 0x85, 0xFF, 0x86, 0x80, 0x87, 0xFF,
/* F7 F8 F9 Alt 14 R1 R2 R3 */
0x88, 0x89, 0x8a, 0x8b, 0xFF, 0x8c, 0x8d, 0x8e,
/* 18 L3 L4 1b 1c Esc 1 2 */
0xFF, 0x8f, 0x90, 0xFF, 0xFF, 0x1b, '!', '@',
/* 3 4 5 6 7 8 9 0 */
'#', '$', '%', '^', '&', '*', '(', ')',
/* - = ` bs 2c R4 R5 R6 */
'_', '+', '~', '\b', 0xFF, 0x91, 0x92, 0x93,
/* 30 L5 del L6 34 tab q w */
0xFF, 0x94, 0xFF, 0x95, 0xFF, '\t', 'Q', 'W',
/* e r t y u i o p */
'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P',
/* [ ] dele comp R7 R8 R9 r - */
'{', '}', '\b', 0xB6, 0x96, 0x97, 0x98, 0xFF,
/* L7 L8 4a 4b ctrl a s d */
0x99, 0x9a, 0xFF, 0xFF, 0xF0, 'A', 'S', 'D',
/* f g h j k l ; ' */
'F', 'G', 'H', 'J', 'K', 'L', ':', '"',
/* \ ret enter R10 R11 R12 ins L9 */
'|', '\n', 0xFF, 0x9b, 0x9c, 0x9d, 0xFF, 0x9e,
/* 60 L10 numlk shift z x c v */
0xFF, 0x9f, 0x7F, 0xF1, 'Z', 'X', 'C', 'V',
/* b n m , . / shift lf */
'B', 'N', 'M', '<', '>', '?', 0xF1, '\r',
/* R13 R14 R15 73 74 75 help caps */
0xA0, 0xA1, 0xA2, 0xFF, 0xFF, 0xFF, 0xFF, 0xF2,
/* lloz 79 rloz 7b 7c r + 7e 7f */
0xA3, ' ', 0xA4, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
};
uchar keymapctrl[128] = {
/* 00 L1 02 L2 04 F1 F2 07 */
0xFF, 0x80, 0xFF, 0x81, 0xFF, 0x82, 0x83, 0xFF,
/* F3 09 F4 0b F5 altgr F6 0f */
0x84, 0xFF, 0x85, 0xFF, 0x86, 0x80, 0x87, 0xFF,
/* F7 F8 F9 Alt 14 R1 R2 R3 */
0x88, 0x89, 0x8a, 0x8b, 0xFF, 0x8c, 0x8d, 0x8e,
/* 18 L3 L4 1b 1c Esc 1 2 */
0xFF, 0x8f, 0x90, 0xFF, 0xFF, 0x1b, '!', '@',
/* 3 4 5 6 7 8 9 0 */
'#', '$', '%', '^', '&', '*', '(', ')',
/* - = ` bs 2c R4 R5 R6 */
'_', '+', '~', '\b', 0xFF, 0x91, 0x92, 0x93,
/* 30 L5 del L6 34 tab q w */
0xFF, 0x94, 0xFF, 0x95, 0xFF, '\t', 0x11, 0x17,
/* e r t y u i o p */
0x05, 0x12, 0x14, 0x19, 0x15, 0x09, 0x0F, 0x10,
/* [ ] dele comp R7 R8 R9 r - */
0x1B, 0x1D, '\b', 0xB6, 0x96, 0x97, 0x98, 0xFF,
/* L7 L8 4a 4b ctrl a s d */
0x99, 0x9a, 0xFF, 0xFF, 0xF0, 0x01, 0x13, 0x04,
/* f g h j k l ; ' */
0x06, 0x07, 0x08, 0x0A, 0x0B, 0x0C,':', '"',
/* \ ret enter R10 R11 R12 ins L9 */
0x1C, '\n', 0xFF, 0x9b, 0x9c, 0x9d, 0xFF, 0x9e,
/* 60 L10 numlk shift z x c v */
0xFF, 0x9f, 0x7F, 0xF1, 0x1A, 0x18, 0x03, 0x16,
/* b n m , . / shift lf */
0x02, 0x0E, 0x0D, '<', '>', '?', 0xF1, '\r',
/* R13 R14 R15 73 74 75 help caps */
0xA0, 0xA1, 0xA2, 0xFF, 0xFF, 0xFF, 0xFF, 0xF2,
/* lloz 79 rloz 7b 7c r + 7e 7f */
0xA3, ' ', 0xA4, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
};
uchar keymapshiftctrl[128] = {
/* 00 L1 02 L2 04 F1 F2 07 */
0xFF, 0x80, 0xFF, 0x81, 0xFF, 0x82, 0x83, 0xFF,
/* F3 09 F4 0b F5 altgr F6 0f */
0x84, 0xFF, 0x85, 0xFF, 0x86, 0x80, 0x87, 0xFF,
/* F7 F8 F9 Alt 14 R1 R2 R3 */
0x88, 0x89, 0x8a, 0x8b, 0xFF, 0x8c, 0x8d, 0x8e,
/* 18 L3 L4 1b 1c Esc 1 2 */
0xFF, 0x8f, 0x90, 0xFF, 0xFF, 0x1b, '!', 0x00,
/* 3 4 5 6 7 8 9 0 */
'#', '$', '%', 0x1E, '&', '*', '(', ')',
/* - = ` bs 2c R4 R5 R6 */
0x1F, '+', '~', '\b', 0xFF, 0x91, 0x92, 0x93,
/* 30 L5 del L6 34 tab q w */
0xFF, 0x94, 0xFF, 0x95, 0xFF, '\t', 0x11, 0x17,
/* e r t y u i o p */
0x05, 0x12, 0x14, 0x19, 0x15, 0x09, 0x0F, 0x10,
/* [ ] dele comp R7 R8 R9 r - */
0x1B, 0x1D, '\b', 0xB6, 0x96, 0x97, 0x98, 0xFF,
/* L7 L8 4a 4b ctrl a s d */
0x99, 0x9a, 0xFF, 0xFF, 0xF0, 0x01, 0x13, 0x04,
/* f g h j k l ; ' */
0x06, 0x07, 0x08, 0x0A, 0x0B, 0x0C,':', '"',
/* \ ret enter R10 R11 R12 ins L9 */
0x1C, '\n', 0xFF, 0x9b, 0x9c, 0x9d, 0xFF, 0x9e,
/* 60 L10 numlk shift z x c v */
0xFF, 0x9f, 0x7F, 0xF1, 0x1A, 0x18, 0x03, 0x16,
/* b n m , . / shift lf */
0x02, 0x0E, 0x0D, '<', '>', '?', 0xF1, '\r',
/* R13 R14 R15 73 74 75 help caps */
0xA0, 0xA1, 0xA2, 0xFF, 0xFF, 0xFF, 0xFF, 0xF2,
/* lloz 79 rloz 7b 7c r + 7e 7f */
0xA3, ' ', 0xA4, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
};
static uchar *kbdmap[4] = {
keymap,
keymapshift,
keymapctrl,
keymapshiftctrl
};
int
kbdstate(IOQ *q, int c)
{
static shift = 0x00;
static caps = 0;
static long startclick;
static int repeatc;
static int lstate;
static uchar kc[4];
uchar ch, code;
int i, nk;
ch = kbdmap[shift][c&0x7F];
if(c==0x7F){ /* all keys up */
norepeat:
kbdrepeat(0);
return;
}
if(ch == 0xFF) /* shouldn't happen; ignore */
return;
if(c & 0x80){ /* key went up */
if(ch == 0xF0){ /* control */
shift &= ~2;
goto norepeat;
}
if(ch == 0xF1){ /* shift */
shift &= ~1;
goto norepeat;
}
if(ch == 0xF2){ /* caps */
goto norepeat;
}
goto norepeat;
}
if(ch == 0xF0){ /* control */
shift |= 2;
goto norepeat;
}
if(ch==0xF1){ /* shift */
shift |= 1;
goto norepeat;
}
if(ch==0xF2){ /* caps */
caps ^= 1;
goto norepeat;
}
if(caps && 'a'<=ch && ch<='z')
ch |= ' ';
repeatc = ch;
kbdrepeat(1);
if(ch == 0xB6) /* Compose */
lstate = 1;
else{
switch(lstate){
case 1:
kc[0] = ch;
lstate = 2;
if(ch == 'X')
lstate = 3;
break;
case 2:
kc[1] = ch;
c = latin1(kc);
nk = 2;
putit:
lstate = 0;
if(c != -1)
kbdputc(&kbdq, c);
else for(i=0; i<nk; i++)
kbdputc(&kbdq, kc[i]);
break;
case 3:
case 4:
case 5:
kc[lstate-2] = ch;
lstate++;
break;
case 6:
kc[4] = ch;
c = unicode(kc);
nk = 5;
goto putit;
default:
kbdputc(&kbdq, ch);
break;
}
}
}
void
buzz(int freq, int dur)
{
}
void
lights(int mask)
{
}
int
screenbits(void)
{
return 1; /* bits per pixel */
}
void
getcolor(ulong p, ulong *pr, ulong *pg, ulong *pb)
{
ulong ans;
/*
* The slc monochrome says 0 is white (max intensity)
*/
if(p == 0)
ans = ~0;
else
ans = 0;
*pr = *pg = *pb = ans;
}
int
setcolor(ulong p, ulong r, ulong g, ulong b)
{
return 0; /* can't change mono screen colormap */
}
int
hwcursset(uchar *s, uchar *c, int ox, int oy)
{
return 0;
}
int
hwcursmove(int x, int y)
{
return 0;
}
void
mouseclock(void) /* called splhi */
{
mouseupdate(1);
}