move samterm dark theme to samterm.mono

This commit is contained in:
xfnw 2022-07-13 08:53:50 -04:00
parent 3449d477a2
commit c1bb4e5736
16 changed files with 4816 additions and 13 deletions

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@ -0,0 +1,492 @@
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include "flayer.h"
#include "samterm.h"
#define DELTA 10
static Flayer **llist; /* front to back */
static int nllist;
static int nlalloc;
static Rectangle lDrect;
Vis visibility(Flayer *);
void newvisibilities(int);
void llinsert(Flayer*);
void lldelete(Flayer*);
Image *maincols[NCOL];
Image *cmdcols[NCOL];
void
flstart(Rectangle r)
{
lDrect = r;
/* Main text is yellowish */
maincols[BACK] = display->black;
maincols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x555555FF);
maincols[BORD] = allocimage(display, Rect(0,0,2,2), screen->chan, 1, 0x222222FF);
maincols[TEXT] = display->white;
maincols[HTEXT] = display->black;
/* Command text is blueish */
cmdcols[BACK] = display->black;
cmdcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x555555FF);
cmdcols[BORD] = allocimage(display, Rect(0,0,2,2), screen->chan, 1, 0x222222FF);
cmdcols[TEXT] = display->white;
cmdcols[HTEXT] = display->black;
}
void
flnew(Flayer *l, Rune *(*fn)(Flayer*, long, ulong*), int u0, void *u1)
{
if(nllist == nlalloc){
nlalloc += DELTA;
llist = realloc(llist, nlalloc*sizeof(Flayer**));
if(llist == 0)
panic("flnew");
}
l->textfn = fn;
l->user0 = u0;
l->user1 = u1;
l->lastsr = ZR;
llinsert(l);
}
Rectangle
flrect(Flayer *l, Rectangle r)
{
rectclip(&r, lDrect);
l->entire = r;
l->scroll = insetrect(r, FLMARGIN);
r.min.x =
l->scroll.max.x = r.min.x+FLMARGIN+FLSCROLLWID+(FLGAP-FLMARGIN);
return r;
}
void
flinit(Flayer *l, Rectangle r, Font *ft, Image **cols)
{
lldelete(l);
llinsert(l);
l->visible = All;
l->origin = l->p0 = l->p1 = 0;
frinit(&l->f, insetrect(flrect(l, r), FLMARGIN), ft, screen, cols);
l->f.maxtab = maxtab*stringwidth(ft, "0");
newvisibilities(1);
draw(screen, l->entire, l->f.cols[BACK], nil, ZP);
scrdraw(l, 0L);
flborder(l, 0);
flrefresh(l, l->entire, 0);
}
void
flclose(Flayer *l)
{
if(l->visible == All)
draw(screen, l->entire, display->black, nil, ZP);
else if(l->visible == Some){
if(l->f.b == 0)
l->f.b = allocimage(display, l->entire, screen->chan, 0, DNofill);
if(l->f.b){
draw(l->f.b, l->entire, display->black, nil, ZP);
flrefresh(l, l->entire, 0);
}
}
frclear(&l->f, 1);
lldelete(l);
if(l->f.b && l->visible!=All)
freeimage(l->f.b);
l->textfn = 0;
newvisibilities(1);
}
void
flborder(Flayer *l, int wide)
{
if(flprepare(l)){
border(l->f.b, l->entire, FLMARGIN, l->f.cols[BACK], ZP);
border(l->f.b, l->entire, wide? FLMARGIN : 1, l->f.cols[BORD], ZP);
if(l->visible==Some)
flrefresh(l, l->entire, 0);
}
}
Flayer *
flwhich(Point p)
{
int i;
if(p.x==0 && p.y==0)
return nllist? llist[0] : 0;
for(i=0; i<nllist; i++)
if(ptinrect(p, llist[i]->entire))
return llist[i];
return 0;
}
void
flupfront(Flayer *l)
{
int v = l->visible;
lldelete(l);
llinsert(l);
if(v!=All)
newvisibilities(0);
}
void
newvisibilities(int redraw)
/* if redraw false, we know it's a flupfront, and needn't
* redraw anyone becoming partially covered */
{
int i;
Vis ov;
Flayer *l;
for(i = 0; i<nllist; i++){
l = llist[i];
l->lastsr = ZR; /* make sure scroll bar gets redrawn */
ov = l->visible;
l->visible = visibility(l);
#define V(a, b) (((a)<<2)|((b)))
switch(V(ov, l->visible)){
case V(Some, None):
if(l->f.b)
freeimage(l->f.b);
case V(All, None):
case V(All, Some):
l->f.b = 0;
frclear(&l->f, 0);
break;
case V(Some, Some):
if(l->f.b==0 && redraw)
case V(None, Some):
flprepare(l);
if(l->f.b && redraw){
flrefresh(l, l->entire, 0);
freeimage(l->f.b);
l->f.b = 0;
frclear(&l->f, 0);
}
case V(None, None):
case V(All, All):
break;
case V(Some, All):
if(l->f.b){
draw(screen, l->entire, l->f.b, nil, l->entire.min);
freeimage(l->f.b);
l->f.b = screen;
break;
}
case V(None, All):
flprepare(l);
break;
}
if(ov==None && l->visible!=None)
flnewlyvisible(l);
}
}
void
llinsert(Flayer *l)
{
int i;
for(i=nllist; i>0; --i)
llist[i]=llist[i-1];
llist[0]=l;
nllist++;
}
void
lldelete(Flayer *l)
{
int i;
for(i=0; i<nllist; i++)
if(llist[i]==l){
--nllist;
for(; i<nllist; i++)
llist[i] = llist[i+1];
return;
}
panic("lldelete");
}
void
flinsert(Flayer *l, Rune *sp, Rune *ep, long p0)
{
if(flprepare(l)){
frinsert(&l->f, sp, ep, p0-l->origin);
scrdraw(l, scrtotal(l));
if(l->visible==Some)
flrefresh(l, l->entire, 0);
}
}
void
fldelete(Flayer *l, long p0, long p1)
{
if(flprepare(l)){
p0 -= l->origin;
if(p0 < 0)
p0 = 0;
p1 -= l->origin;
if(p1<0)
p1 = 0;
frdelete(&l->f, p0, p1);
scrdraw(l, scrtotal(l));
if(l->visible==Some)
flrefresh(l, l->entire, 0);
}
}
int
flselect(Flayer *l, ulong *p)
{
static int clickcount;
static Point clickpt = {-10, -10};
int dt, dx, dy;
if(l->visible!=All)
flupfront(l);
dt = mousep->msec - l->click;
dx = abs(mousep->xy.x - clickpt.x);
dy = abs(mousep->xy.y - clickpt.y);
*p = frcharofpt(&l->f, mousep->xy) + l->origin;
l->click = mousep->msec;
clickpt = mousep->xy;
if(dx < 3 && dy < 3 && dt < Clicktime && clickcount < 3)
return ++clickcount;
clickcount = 0;
frselect(&l->f, mousectl);
l->p0 = l->f.p0+l->origin;
l->p1 = l->f.p1+l->origin;
return 0;
}
void
flsetselect(Flayer *l, long p0, long p1)
{
ulong fp0, fp1;
if(l->visible==None || !flprepare(l)){
l->p0 = p0, l->p1 = p1;
return;
}
l->p0 = p0, l->p1 = p1;
flfp0p1(l, &fp0, &fp1);
if(fp0==l->f.p0 && fp1==l->f.p1)
return;
if(fp1<=l->f.p0 || fp0>=l->f.p1 || l->f.p0==l->f.p1 || fp0==fp1){
/* no overlap or trivial repainting */
frdrawsel(&l->f, frptofchar(&l->f, l->f.p0), l->f.p0, l->f.p1, 0);
frdrawsel(&l->f, frptofchar(&l->f, fp0), fp0, fp1, 1);
goto Refresh;
}
/* the current selection and the desired selection overlap and are both non-empty */
if(fp0 < l->f.p0){
/* extend selection backwards */
frdrawsel(&l->f, frptofchar(&l->f, fp0), fp0, l->f.p0, 1);
}else if(fp0 > l->f.p0){
/* trim first part of selection */
frdrawsel(&l->f, frptofchar(&l->f, l->f.p0), l->f.p0, fp0, 0);
}
if(fp1 > l->f.p1){
/* extend selection forwards */
frdrawsel(&l->f, frptofchar(&l->f, l->f.p1), l->f.p1, fp1, 1);
}else if(fp1 < l->f.p1){
/* trim last part of selection */
frdrawsel(&l->f, frptofchar(&l->f, fp1), fp1, l->f.p1, 0);
}
Refresh:
l->f.p0 = fp0;
l->f.p1 = fp1;
if(l->visible==Some)
flrefresh(l, l->entire, 0);
}
void
flfp0p1(Flayer *l, ulong *pp0, ulong *pp1)
{
long p0 = l->p0-l->origin, p1 = l->p1-l->origin;
if(p0 < 0)
p0 = 0;
if(p1 < 0)
p1 = 0;
if(p0 > l->f.nchars)
p0 = l->f.nchars;
if(p1 > l->f.nchars)
p1 = l->f.nchars;
*pp0 = p0;
*pp1 = p1;
}
Rectangle
rscale(Rectangle r, Point old, Point new)
{
r.min.x = r.min.x*new.x/old.x;
r.min.y = r.min.y*new.y/old.y;
r.max.x = r.max.x*new.x/old.x;
r.max.y = r.max.y*new.y/old.y;
return r;
}
void
flresize(Rectangle dr)
{
int i;
Flayer *l;
Frame *f;
Rectangle r, olDrect;
int move;
olDrect = lDrect;
lDrect = dr;
move = 0;
/* no moving on rio; must repaint */
if(0 && Dx(dr)==Dx(olDrect) && Dy(dr)==Dy(olDrect))
move = 1;
else
draw(screen, lDrect, display->black, nil, ZP);
for(i=0; i<nllist; i++){
l = llist[i];
l->lastsr = ZR;
f = &l->f;
if(move)
r = rectaddpt(rectsubpt(l->entire, olDrect.min), dr.min);
else{
r = rectaddpt(rscale(rectsubpt(l->entire, olDrect.min),
subpt(olDrect.max, olDrect.min),
subpt(dr.max, dr.min)), dr.min);
if(l->visible==Some && f->b){
freeimage(f->b);
frclear(f, 0);
}
f->b = 0;
if(l->visible!=None)
frclear(f, 0);
}
if(!rectclip(&r, dr))
panic("flresize");
if(r.max.x-r.min.x<100)
r.min.x = dr.min.x;
if(r.max.x-r.min.x<100)
r.max.x = dr.max.x;
if(r.max.y-r.min.y<2*FLMARGIN+f->font->height)
r.min.y = dr.min.y;
if(r.max.y-r.min.y<2*FLMARGIN+f->font->height)
r.max.y = dr.max.y;
if(!move)
l->visible = None;
frsetrects(f, insetrect(flrect(l, r), FLMARGIN), f->b);
if(!move && f->b)
scrdraw(l, scrtotal(l));
}
newvisibilities(1);
}
int
flprepare(Flayer *l)
{
Frame *f;
ulong n;
Rune *r;
if(l->visible == None)
return 0;
f = &l->f;
if(f->b == 0){
if(l->visible == All)
f->b = screen;
else if((f->b = allocimage(display, l->entire, screen->chan, 0, 0))==0)
return 0;
draw(f->b, l->entire, f->cols[BACK], nil, ZP);
border(f->b, l->entire, l==llist[0]? FLMARGIN : 1, f->cols[BORD], ZP);
n = f->nchars;
frinit(f, f->entire, f->font, f->b, 0);
f->maxtab = maxtab*stringwidth(f->font, "0");
r = (*l->textfn)(l, n, &n);
frinsert(f, r, r+n, (ulong)0);
frdrawsel(f, frptofchar(f, f->p0), f->p0, f->p1, 0);
flfp0p1(l, &f->p0, &f->p1);
frdrawsel(f, frptofchar(f, f->p0), f->p0, f->p1, 1);
l->lastsr = ZR;
scrdraw(l, scrtotal(l));
}
return 1;
}
static int somevis, someinvis, justvis;
Vis
visibility(Flayer *l)
{
somevis = someinvis = 0;
justvis = 1;
flrefresh(l, l->entire, 0);
justvis = 0;
if(somevis==0)
return None;
if(someinvis==0)
return All;
return Some;
}
void
flrefresh(Flayer *l, Rectangle r, int i)
{
Flayer *t;
Rectangle s;
Top:
if((t=llist[i++]) == l){
if(!justvis)
draw(screen, r, l->f.b, nil, r.min);
somevis = 1;
}else{
if(!rectXrect(t->entire, r))
goto Top; /* avoid stacking unnecessarily */
if(t->entire.min.x>r.min.x){
s = r;
s.max.x = t->entire.min.x;
flrefresh(l, s, i);
r.min.x = t->entire.min.x;
}
if(t->entire.min.y>r.min.y){
s = r;
s.max.y = t->entire.min.y;
flrefresh(l, s, i);
r.min.y = t->entire.min.y;
}
if(t->entire.max.x<r.max.x){
s = r;
s.min.x = t->entire.max.x;
flrefresh(l, s, i);
r.max.x = t->entire.max.x;
}
if(t->entire.max.y<r.max.y){
s = r;
s.min.y = t->entire.max.y;
flrefresh(l, s, i);
r.max.y = t->entire.max.y;
}
/* remaining piece of r is blocked by t; forget about it */
someinvis = 1;
}
}

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typedef enum Vis{
None=0,
Some,
All,
}Vis;
enum{
Clicktime=500, /* milliseconds */
};
typedef struct Flayer Flayer;
struct Flayer
{
Frame f;
long origin; /* offset of first char in flayer */
long p0, p1;
long click; /* time at which selection click occurred, in HZ */
Rune *(*textfn)(Flayer*, long, ulong*);
int user0;
void *user1;
Rectangle entire;
Rectangle scroll;
Rectangle lastsr; /* geometry of scrollbar when last drawn */
Vis visible;
};
void flborder(Flayer*, int);
void flclose(Flayer*);
void fldelete(Flayer*, long, long);
void flfp0p1(Flayer*, ulong*, ulong*);
void flinit(Flayer*, Rectangle, Font*, Image**);
void flinsert(Flayer*, Rune*, Rune*, long);
void flnew(Flayer*, Rune *(*fn)(Flayer*, long, ulong*), int, void*);
int flprepare(Flayer*);
Rectangle flrect(Flayer*, Rectangle);
void flrefresh(Flayer*, Rectangle, int);
void flresize(Rectangle);
int flselect(Flayer*, ulong*);
void flsetselect(Flayer*, long, long);
void flstart(Rectangle);
void flupfront(Flayer*);
Flayer *flwhich(Point);
#define FLMARGIN 4
#define FLSCROLLWID 12
#define FLGAP 4
extern Image *maincols[NCOL];
extern Image *cmdcols[NCOL];

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#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <cursor.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include "flayer.h"
#include "samterm.h"
Cursor bullseye={
{-7, -7},
{0x1F, 0xF8, 0x3F, 0xFC, 0x7F, 0xFE, 0xFB, 0xDF,
0xF3, 0xCF, 0xE3, 0xC7, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xE3, 0xC7, 0xF3, 0xCF,
0x7B, 0xDF, 0x7F, 0xFE, 0x3F, 0xFC, 0x1F, 0xF8,},
{0x00, 0x00, 0x0F, 0xF0, 0x31, 0x8C, 0x21, 0x84,
0x41, 0x82, 0x41, 0x82, 0x41, 0x82, 0x7F, 0xFE,
0x7F, 0xFE, 0x41, 0x82, 0x41, 0x82, 0x41, 0x82,
0x21, 0x84, 0x31, 0x8C, 0x0F, 0xF0, 0x00, 0x00,}
};
Cursor deadmouse={
{-7, -7},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x0C, 0x00, 0x8E, 0x1D, 0xC7,
0xFF, 0xE3, 0xFF, 0xF3, 0xFF, 0xFF, 0x7F, 0xFE,
0x3F, 0xF8, 0x17, 0xF0, 0x03, 0xE0, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x08, 0x00, 0x04, 0x00, 0x82,
0x04, 0x41, 0xFF, 0xE1, 0x5F, 0xF1, 0x3F, 0xFE,
0x17, 0xF0, 0x03, 0xE0, 0x00, 0x00, 0x00, 0x00,}
};
Cursor lockarrow={
{-7, -7},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x0F, 0xC0, 0x0F, 0xC0,
0x03, 0xC0, 0x07, 0xC0, 0x0E, 0xC0, 0x1C, 0xC0,
0x38, 0x00, 0x70, 0x00, 0xE0, 0xDB, 0xC0, 0xDB,}
};
Image *darkgrey;
void
iconinit(void)
{
darkgrey = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x444444FF);
}

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#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include "flayer.h"
#include "samterm.h"
int cursorfd;
int plumbfd = -1;
int input;
int got;
int block;
int kbdc;
int resized;
uchar *hostp;
uchar *hoststop;
uchar *plumbbase;
uchar *plumbp;
uchar *plumbstop;
Channel *plumbc;
Channel *hostc;
Mousectl *mousectl;
Mouse *mousep;
Keyboardctl *keyboardctl;
void panic(char*);
void
initio(void)
{
threadsetname("main");
mousectl = initmouse(nil, display->image);
if(mousectl == nil){
fprint(2, "samterm: mouse init failed: %r\n");
threadexitsall("mouse");
}
mousep = mousectl;
keyboardctl = initkeyboard(nil);
if(keyboardctl == nil){
fprint(2, "samterm: keyboard init failed: %r\n");
threadexitsall("kbd");
}
hoststart();
plumbstart();
}
void
getmouse(void)
{
if(readmouse(mousectl) < 0)
panic("mouse");
}
void
mouseunblock(void)
{
got &= ~(1<<RMouse);
}
void
kbdblock(void)
{ /* ca suffit */
block = (1<<RKeyboard)|(1<<RPlumb);
}
int
button(int but)
{
getmouse();
return mousep->buttons&(1<<(but-1));
}
void
externload(int i)
{
plumbbase = malloc(plumbbuf[i].n);
if(plumbbase == 0)
return;
memmove(plumbbase, plumbbuf[i].data, plumbbuf[i].n);
plumbp = plumbbase;
plumbstop = plumbbase + plumbbuf[i].n;
got |= 1<<RPlumb;
}
int
waitforio(void)
{
Alt alts[NRes+1];
Rune r;
int i;
ulong type;
again:
alts[RPlumb].c = plumbc;
alts[RPlumb].v = &i;
alts[RPlumb].op = CHANRCV;
if((block & (1<<RPlumb)) || plumbc == nil)
alts[RPlumb].op = CHANNOP;
alts[RHost].c = hostc;
alts[RHost].v = &i;
alts[RHost].op = CHANRCV;
if(block & (1<<RHost))
alts[RHost].op = CHANNOP;
alts[RKeyboard].c = keyboardctl->c;
alts[RKeyboard].v = &r;
alts[RKeyboard].op = CHANRCV;
if(block & (1<<RKeyboard))
alts[RKeyboard].op = CHANNOP;
alts[RMouse].c = mousectl->c;
alts[RMouse].v = &mousectl->Mouse;
alts[RMouse].op = CHANRCV;
if(block & (1<<RMouse))
alts[RMouse].op = CHANNOP;
alts[RResize].c = mousectl->resizec;
alts[RResize].v = nil;
alts[RResize].op = CHANRCV;
if(block & (1<<RResize))
alts[RResize].op = CHANNOP;
alts[NRes].op = CHANEND;
if(got & ~block)
return got & ~block;
if(display->bufp > display->buf)
flushimage(display, 1);
type = alt(alts);
switch(type){
case RHost:
hostp = hostbuf[i].data;
hoststop = hostbuf[i].data + hostbuf[i].n;
block = 0;
break;
case RPlumb:
externload(i);
break;
case RKeyboard:
kbdc = r;
break;
case RMouse:
break;
case RResize:
resized = 1;
/* do the resize in line if we've finished initializing and we're not in a blocking state */
if(hasunlocked && block==0 && RESIZED())
resize();
goto again;
}
got |= 1<<type;
return got;
}
int
rcvchar(void)
{
int c;
if(!(got & (1<<RHost)))
return -1;
c = *hostp++;
if(hostp == hoststop)
got &= ~(1<<RHost);
return c;
}
char*
rcvstring(void)
{
*hoststop = 0;
got &= ~(1<<RHost);
return (char*)hostp;
}
int
getch(void)
{
int c;
while((c = rcvchar()) == -1){
block = ~(1<<RHost);
waitforio();
block = 0;
}
return c;
}
int
externchar(void)
{
Rune r;
loop:
if(got & ((1<<RPlumb) & ~block)){
plumbp += chartorune(&r, (char*)plumbp);
if(plumbp >= plumbstop){
got &= ~(1<<RPlumb);
free(plumbbase);
}
if(r == 0)
goto loop;
return r;
}
return -1;
}
int kpeekc = -1;
int
ecankbd(void)
{
Rune r;
if(kpeekc >= 0)
return 1;
if(nbrecv(keyboardctl->c, &r) > 0){
kpeekc = r;
return 1;
}
return 0;
}
int
ekbd(void)
{
int c;
Rune r;
if(kpeekc >= 0){
c = kpeekc;
kpeekc = -1;
return c;
}
if(recv(keyboardctl->c, &r) < 0){
fprint(2, "samterm: keybard recv error: %r\n");
panic("kbd");
}
return r;
}
int
kbdchar(void)
{
int c, i;
c = externchar();
if(c > 0)
return c;
if(got & (1<<RKeyboard)){
c = kbdc;
kbdc = -1;
got &= ~(1<<RKeyboard);
return c;
}
while(plumbc!=nil && nbrecv(plumbc, &i)>0){
externload(i);
c = externchar();
if(c > 0)
return c;
}
if(!ecankbd())
return -1;
return ekbd();
}
int
qpeekc(void)
{
return kbdc;
}
int
RESIZED(void)
{
if(resized){
if(getwindow(display, Refnone) < 0)
panic("can't reattach to window");
resized = 0;
return 1;
}
return 0;
}

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@ -0,0 +1,731 @@
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <cursor.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include "flayer.h"
#include "samterm.h"
int mainstacksize = 16*1024;
Text cmd;
Rune *scratch;
long nscralloc;
Cursor *cursor;
Flayer *which = 0;
Flayer *work = 0;
long snarflen;
long typestart = -1;
long typeend = -1;
long typeesc = -1;
long modified = 0; /* strange lookahead for menus */
char hostlock = 1;
char hasunlocked = 0;
int maxtab = 8;
int autoindent;
int spacesindent;
void
threadmain(int argc, char *argv[])
{
int i, got, nclick, scr, chord;
Text *t;
Rectangle r;
Flayer *nwhich;
ulong p;
getscreen(argc, argv);
iconinit();
initio();
scratch = alloc(100*RUNESIZE);
nscralloc = 100;
r = screen->r;
r.max.y = r.min.y+Dy(r)/5;
flstart(screen->clipr);
rinit(&cmd.rasp);
flnew(&cmd.l[0], gettext, 1, &cmd);
flinit(&cmd.l[0], r, font, cmdcols);
cmd.nwin = 1;
which = &cmd.l[0];
cmd.tag = Untagged;
outTs(Tversion, VERSION);
startnewfile(Tstartcmdfile, &cmd);
got = 0;
chord = 0;
for(;;got = waitforio()){
if(hasunlocked && RESIZED())
resize();
if(got&(1<<RHost))
rcv();
if(got&(1<<RPlumb)){
for(i=0; cmd.l[i].textfn==0; i++)
;
current(&cmd.l[i]);
flsetselect(which, cmd.rasp.nrunes, cmd.rasp.nrunes);
type(which, RPlumb);
}
if(got&(1<<RKeyboard))
if(which)
type(which, RKeyboard);
else
kbdblock();
if(got&(1<<RMouse)){
if(hostlock==2 || !ptinrect(mousep->xy, screen->r)){
mouseunblock();
continue;
}
nwhich = flwhich(mousep->xy);
scr = which && (ptinrect(mousep->xy, which->scroll) ||
mousep->buttons&(8|16));
if(mousep->buttons)
flushtyping(1);
if((mousep->buttons&1)==0)
chord = 0;
if(chord && which && which==nwhich){
chord |= mousep->buttons;
t = (Text *)which->user1;
if(!t->lock){
int w = which-t->l;
if(chord&2){
cut(t, w, 1, 1);
chord &= ~2;
}
if(chord&4){
paste(t, w);
chord &= ~4;
}
}
}else if(mousep->buttons&(1|8)){
if(scr)
scroll(which, (mousep->buttons&8) ? 4 : 1);
else if(nwhich && nwhich!=which)
current(nwhich);
else{
t=(Text *)which->user1;
nclick = flselect(which, &p);
if(nclick > 0){
if(nclick > 1)
outTsl(Ttclick, t->tag, p);
else
outTsl(Tdclick, t->tag, p);
t->lock++;
}else if(t!=&cmd)
outcmd();
if(mousep->buttons&1)
chord = mousep->buttons;
}
}else if((mousep->buttons&2) && which){
if(scr)
scroll(which, 2);
else
menu2hit();
}else if(mousep->buttons&(4|16)){
if(scr)
scroll(which, (mousep->buttons&16) ? 5 : 3);
else
menu3hit();
}
mouseunblock();
}
}
}
void
resize(void)
{
int i;
flresize(screen->clipr);
for(i = 0; i<nname; i++)
if(text[i])
hcheck(text[i]->tag);
}
void
current(Flayer *nw)
{
Text *t;
if(which)
flborder(which, 0);
if(nw){
flushtyping(1);
flupfront(nw);
flborder(nw, 1);
buttons(Up);
t = (Text *)nw->user1;
t->front = nw-&t->l[0];
if(t != &cmd)
work = nw;
}
which = nw;
}
void
closeup(Flayer *l)
{
Text *t=(Text *)l->user1;
int m;
m = whichmenu(t->tag);
if(m < 0)
return;
flclose(l);
if(l == which){
which = 0;
current(flwhich(Pt(0, 0)));
}
if(l == work)
work = 0;
if(--t->nwin == 0){
rclear(&t->rasp);
free((uchar *)t);
text[m] = 0;
}else if(l == &t->l[t->front]){
for(m=0; m<NL; m++) /* find one; any one will do */
if(t->l[m].textfn){
t->front = m;
return;
}
panic("close");
}
}
Flayer *
findl(Text *t)
{
int i;
for(i = 0; i<NL; i++)
if(t->l[i].textfn==0)
return &t->l[i];
return 0;
}
void
duplicate(Flayer *l, Rectangle r, Font *f, int close)
{
Text *t=(Text *)l->user1;
Flayer *nl = findl(t);
Rune *rp;
ulong n;
if(nl){
flnew(nl, gettext, l->user0, (char *)t);
flinit(nl, r, f, l->f.cols);
nl->origin = l->origin;
rp = (*l->textfn)(l, l->f.nchars, &n);
flinsert(nl, rp, rp+n, l->origin);
flsetselect(nl, l->p0, l->p1);
if(close){
flclose(l);
if(l==which)
which = 0;
}else
t->nwin++;
current(nl);
hcheck(t->tag);
}
setcursor(mousectl, cursor);
}
void
buttons(int updown)
{
while(((mousep->buttons&7)!=0) != updown)
getmouse();
}
int
getr(Rectangle *rp)
{
Point p;
Rectangle r;
*rp = screen->r;
p = rp->min;
r = cmd.l[cmd.front].entire;
if(cmd.nwin==1)
rp->min.y = r.max.y;
return rectclip(rp, screen->r) &&
rp->max.x-rp->min.x>100 && rp->max.y-rp->min.y>40;
}
void
snarf(Text *t, int w)
{
Flayer *l = &t->l[w];
if(l->p1>l->p0){
snarflen = l->p1-l->p0;
outTsll(Tsnarf, t->tag, l->p0, l->p1);
}
}
void
cut(Text *t, int w, int save, int check)
{
long p0, p1;
Flayer *l;
l = &t->l[w];
p0 = l->p0;
p1 = l->p1;
if(p0 == p1)
return;
if(p0 < 0)
panic("cut");
if(save)
snarf(t, w);
outTsll(Tcut, t->tag, p0, p1);
flsetselect(l, p0, p0);
t->lock++;
hcut(t->tag, p0, p1-p0);
if(check)
hcheck(t->tag);
}
void
paste(Text *t, int w)
{
if(snarflen){
cut(t, w, 0, 0);
t->lock++;
outTsl(Tpaste, t->tag, t->l[w].p0);
}
}
void
scrorigin(Flayer *l, int but, long p0)
{
Text *t=(Text *)l->user1;
if(t->tag == Untagged)
return;
switch(but){
case 1:
outTsll(Torigin, t->tag, l->origin, p0);
break;
case 2:
outTsll(Torigin, t->tag, p0, 1L);
break;
case 3:
horigin(t->tag,p0);
}
}
int
alnum(int c)
{
/*
* Hard to get absolutely right. Use what we know about ASCII
* and assume anything above the Latin control characters is
* potentially an alphanumeric.
*/
if(c<=' ')
return 0;
if(0x7F<=c && c<=0xA0)
return 0;
if(utfrune("!\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~", c))
return 0;
return 1;
}
int
raspc(Rasp *r, long p)
{
ulong n;
rload(r, p, p+1, &n);
if(n)
return scratch[0];
return 0;
}
int
getcol(Rasp *r, long p)
{
int col;
for(col = 0; p > 0 && raspc(r, p-1)!='\n'; p--, col++)
;
return col;
}
long
del(Rasp *r, long o, long p)
{
int i, col, n;
if(--p < o)
return o;
if(!spacesindent || raspc(r, p)!=' ')
return p;
col = getcol(r, p) + 1;
if((n = col % maxtab) == 0)
n = maxtab;
for(i = 0; p-1>=o && raspc(r, p-1)==' ' && i<n-1; --p, i++)
;
return p>=o? p : o;
}
long
ctlw(Rasp *r, long o, long p)
{
int c;
if(--p < o)
return o;
if(raspc(r, p)=='\n')
return p;
for(; p>=o && !alnum(c=raspc(r, p)); --p)
if(c=='\n')
return p+1;
for(; p>o && alnum(raspc(r, p-1)); --p)
;
return p>=o? p : o;
}
long
ctlu(Rasp *r, long o, long p)
{
if(--p < o)
return o;
if(raspc(r, p)=='\n')
return p;
for(; p-1>=o && raspc(r, p-1)!='\n'; --p)
;
return p>=o? p : o;
}
int
center(Flayer *l, long a)
{
Text *t;
t = l->user1;
if(!t->lock && (a<l->origin || l->origin+l->f.nchars<a)){
if(a > t->rasp.nrunes)
a = t->rasp.nrunes;
outTsll(Torigin, t->tag, a, 2L);
return 1;
}
return 0;
}
int
onethird(Flayer *l, long a)
{
Text *t;
Rectangle s;
long lines;
t = l->user1;
if(!t->lock && (a<l->origin || l->origin+l->f.nchars<a)){
if(a > t->rasp.nrunes)
a = t->rasp.nrunes;
s = insetrect(l->scroll, 1);
lines = ((s.max.y-s.min.y)/l->f.font->height+1)/3;
if (lines < 2)
lines = 2;
outTsll(Torigin, t->tag, a, lines);
return 1;
}
return 0;
}
void
flushtyping(int clearesc)
{
Text *t;
ulong n;
if(clearesc)
typeesc = -1;
if(typestart == typeend) {
modified = 0;
return;
}
t = which->user1;
if(t != &cmd)
modified = 1;
rload(&t->rasp, typestart, typeend, &n);
scratch[n] = 0;
if(t==&cmd && typeend==t->rasp.nrunes && scratch[typeend-typestart-1]=='\n'){
setlock();
outcmd();
}
outTslS(Ttype, t->tag, typestart, scratch);
typestart = -1;
typeend = -1;
}
int
nontypingkey(int c)
{
switch(c){
case Kup:
case Kdown:
case Khome:
case Kend:
case Kpgdown:
case Kpgup:
case Kleft:
case Kright:
case Ksoh:
case Kenq:
case Kstx:
case Kbel:
return 1;
}
return 0;
}
void
type(Flayer *l, int res) /* what a bloody mess this is */
{
Text *t = (Text *)l->user1;
Rune buf[100];
Rune *p = buf;
int c, backspacing;
long a, a0;
int scrollkey;
scrollkey = 0;
if(res == RKeyboard)
scrollkey = nontypingkey(qpeekc()); /* ICK */
if(hostlock || t->lock){
kbdblock();
return;
}
a = l->p0;
if(a!=l->p1 && !scrollkey){
flushtyping(1);
cut(t, t->front, 1, 1);
return; /* it may now be locked */
}
backspacing = 0;
while((c = kbdchar())>0){
if(res == RKeyboard){
if(nontypingkey(c) || c==Kesc)
break;
/* backspace, ctrl-u, ctrl-w, del */
if(c==Kbs || c==Knack || c==Ketb || c==Kdel){
backspacing = 1;
break;
}
}
if(spacesindent && c == '\t'){
int i, col, n;
col = getcol(&t->rasp, a);
n = maxtab - col % maxtab;
for(i = 0; i < n && p < buf+nelem(buf); i++)
*p++ = ' ';
} else
*p++ = c;
if(c == '\n' && autoindent && t != &cmd){
/* autoindent */
int cursor, ch;
cursor = ctlu(&t->rasp, 0, a+(p-buf)-1);
while(p < buf+nelem(buf)){
ch = raspc(&t->rasp, cursor++);
if(ch == ' ' || ch == '\t')
*p++ = ch;
else
break;
}
}
if(c == '\n' || p >= buf+sizeof(buf)/sizeof(buf[0]))
break;
}
if(p > buf){
if(typestart < 0)
typestart = a;
if(typeesc < 0)
typeesc = a;
hgrow(t->tag, a, p-buf, 0);
t->lock++; /* pretend we Trequest'ed for hdatarune*/
hdatarune(t->tag, a, buf, p-buf);
a += p-buf;
l->p0 = a;
l->p1 = a;
typeend = a;
if(c=='\n' || typeend-typestart>100)
flushtyping(0);
onethird(l, a);
}
if(c==Kdown || c==Kpgdown){
flushtyping(0);
center(l, l->origin+l->f.nchars+1);
/* backspacing immediately after outcmd(): sorry */
}else if(c==Kup || c==Kpgup){
flushtyping(0);
a0 = l->origin-l->f.nchars;
if(a0 < 0)
a0 = 0;
center(l, a0);
}else if(c == Kright){
flushtyping(0);
a0 = l->p0;
if(a0 < t->rasp.nrunes)
a0++;
flsetselect(l, a0, a0);
center(l, a0);
}else if(c == Kleft){
flushtyping(0);
a0 = l->p0;
if(a0 > 0)
a0--;
flsetselect(l, a0, a0);
center(l, a0);
}else if(c == Khome){
flushtyping(0);
center(l, 0);
}else if(c == Kend){
flushtyping(0);
center(l, t->rasp.nrunes);
}else if(c == Ksoh || c == Kenq){
flushtyping(1);
if(c == Ksoh)
while(a > 0 && raspc(&t->rasp, a-1)!='\n')
a--;
else
while(a < t->rasp.nrunes && raspc(&t->rasp, a)!='\n')
a++;
l->p0 = l->p1 = a;
for(l=t->l; l<&t->l[NL]; l++)
if(l->textfn)
flsetselect(l, l->p0, l->p1);
}else if(backspacing && !hostlock){
/* backspacing immediately after outcmd(): sorry */
if(l->f.p0>0 && a>0){
switch(c){
case Kbs:
case Kdel: /* del */
l->p0 = del(&t->rasp, l->origin, a);
break;
case Knack: /* ctrl-u */
l->p0 = ctlu(&t->rasp, l->origin, a);
break;
case Ketb: /* ctrl-w */
l->p0 = ctlw(&t->rasp, l->origin, a);
break;
}
l->p1 = a;
if(l->p1 != l->p0){
/* cut locally if possible */
if(typestart<=l->p0 && l->p1<=typeend){
t->lock++; /* to call hcut */
hcut(t->tag, l->p0, l->p1-l->p0);
/* hcheck is local because we know rasp is contiguous */
hcheck(t->tag);
}else{
flushtyping(0);
cut(t, t->front, 0, 1);
}
}
if(typeesc >= l->p0)
typeesc = l->p0;
if(typestart >= 0){
if(typestart >= l->p0)
typestart = l->p0;
typeend = l->p0;
if(typestart == typeend){
typestart = -1;
typeend = -1;
modified = 0;
}
}
}
}else if(c == Kstx){
t = &cmd;
for(l=t->l; l->textfn==0; l++)
;
current(l);
flushtyping(0);
a = t->rasp.nrunes;
flsetselect(l, a, a);
center(l, a);
}else if(c == Kbel){
int i;
if(work == nil)
return;
if(which != work){
current(work);
return;
}
t = (Text*)work->user1;
l = &t->l[t->front];
for(i=t->front; t->nwin>1 && (i = (i+1)%NL) != t->front; )
if(t->l[i].textfn != 0){
l = &t->l[i];
break;
}
current(l);
}else{
if(c==Kesc && typeesc>=0){
l->p0 = typeesc;
l->p1 = a;
flushtyping(1);
}
for(l=t->l; l<&t->l[NL]; l++)
if(l->textfn)
flsetselect(l, l->p0, l->p1);
}
}
void
outcmd(void){
if(work)
outTsll(Tworkfile, ((Text *)work->user1)->tag, work->p0, work->p1);
}
void
panic(char *s)
{
panic1(display, s);
}
void
panic1(Display*, char *s)
{
fprint(2, "samterm:panic: ");
perror(s);
abort();
}
Rune*
gettext(Flayer *l, long n, ulong *np)
{
Text *t;
t = l->user1;
rload(&t->rasp, l->origin, l->origin+n, np);
return scratch;
}
long
scrtotal(Flayer *l)
{
return ((Text *)l->user1)->rasp.nrunes;
}
void*
alloc(ulong n)
{
void *p;
p = malloc(n);
if(p == 0)
panic("alloc");
memset(p, 0, n);
return p;
}

View file

@ -0,0 +1,402 @@
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <cursor.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include "flayer.h"
#include "samterm.h"
uchar **name; /* first byte is ' ' or '\'': modified state */
Text **text; /* pointer to Text associated with file */
ushort *tag; /* text[i].tag, even if text[i] not defined */
int nname;
int mname;
int mw;
char *genmenu3(int);
char *genmenu2(int);
char *genmenu2c(int);
enum Menu2
{
Cut,
Paste,
Snarf,
Plumb,
Look,
Exch,
Search,
NMENU2 = Search,
Send = Search,
NMENU2C
};
enum Menu3
{
New,
Zerox,
Resize,
Close,
Write,
NMENU3
};
char *menu2str[] = {
"cut",
"paste",
"snarf",
"plumb",
"look",
"<rio>",
0, /* storage for last pattern */
};
char *menu3str[] = {
"new",
"zerox",
"resize",
"close",
"write",
};
Menu menu2 = {0, genmenu2};
Menu menu2c ={0, genmenu2c};
Menu menu3 = {0, genmenu3};
void
menu2hit(void)
{
Text *t=(Text *)which->user1;
int w = which-t->l;
int m;
if(hversion==0 || plumbfd<0)
menu2str[Plumb] = "(plumb)";
m = menuhit(2, mousectl, t==&cmd? &menu2c : &menu2, nil);
if(hostlock || t->lock)
return;
switch(m){
case Cut:
cut(t, w, 1, 1);
break;
case Paste:
paste(t, w);
break;
case Snarf:
snarf(t, w);
break;
case Plumb:
if(hversion > 0)
outTsll(Tplumb, t->tag, which->p0, which->p1);
break;
case Exch:
snarf(t, w);
outT0(Tstartsnarf);
setlock();
break;
case Look:
outTsll(Tlook, t->tag, which->p0, which->p1);
setlock();
break;
case Search:
outcmd();
if(t==&cmd)
outTsll(Tsend, 0 /*ignored*/, which->p0, which->p1);
else
outT0(Tsearch);
setlock();
break;
}
}
void
menu3hit(void)
{
Rectangle r;
Flayer *l;
int m, i;
Text *t;
mw = -1;
switch(m = menuhit(3, mousectl, &menu3, nil)){
case -1:
break;
case New:
if(!hostlock)
sweeptext(1, 0);
break;
case Zerox:
case Resize:
if(!hostlock){
setcursor(mousectl, &bullseye);
buttons(Down);
if((mousep->buttons&4) && (l = flwhich(mousep->xy)) && getr(&r))
duplicate(l, r, l->f.font, m==Resize);
else
setcursor(mousectl, cursor);
buttons(Up);
}
break;
case Close:
if(!hostlock){
setcursor(mousectl, &bullseye);
buttons(Down);
if((mousep->buttons&4) && (l = flwhich(mousep->xy)) && !hostlock){
t=(Text *)l->user1;
if (t->nwin>1)
closeup(l);
else if(t!=&cmd) {
outTs(Tclose, t->tag);
setlock();
}
}
setcursor(mousectl, cursor);
buttons(Up);
}
break;
case Write:
if(!hostlock){
setcursor(mousectl, &bullseye);
buttons(Down);
if((mousep->buttons&4) && (l = flwhich(mousep->xy))){
outTs(Twrite, ((Text *)l->user1)->tag);
setlock();
}else
setcursor(mousectl, cursor);
buttons(Up);
}
break;
default:
if(t = text[m-NMENU3]){
i = t->front;
if(t->nwin==0 || t->l[i].textfn==0)
return; /* not ready yet; try again later */
if(t->nwin>1 && which==&t->l[i])
do
if(++i==NL)
i = 0;
while(i!=t->front && t->l[i].textfn==0);
current(&t->l[i]);
}else if(!hostlock)
sweeptext(0, tag[m-NMENU3]);
break;
}
}
Text *
sweeptext(int new, int tag)
{
Rectangle r;
Text *t;
if(getr(&r) && (t = malloc(sizeof(Text)))){
memset((void*)t, 0, sizeof(Text));
//current((Flayer *)0);
flnew(&t->l[0], gettext, 0, (char *)t);
flinit(&t->l[0], r, font, maincols); /*bnl*/
t->nwin = 1;
rinit(&t->rasp);
if(new)
startnewfile(Tstartnewfile, t);
else{
rinit(&t->rasp);
t->tag = tag;
startfile(t);
}
return t;
}
return 0;
}
int
whichmenu(int tg)
{
int i;
for(i=0; i<nname; i++)
if(tag[i] == tg)
return i;
return -1;
}
void
menuins(int n, uchar *s, Text *t, int m, int tg)
{
int i;
if(nname == mname){
if(mname == 0)
mname = 32;
else
mname *= 2;
name = realloc(name, sizeof(name[0])*mname);
text = realloc(text, sizeof(text[0])*mname);
tag = realloc(tag, sizeof(tag[0])*mname);
if(name==nil || text==nil || tag==nil)
panic("realloc");
}
for(i=nname; i>n; --i)
name[i]=name[i-1], text[i]=text[i-1], tag[i]=tag[i-1];
text[n] = t;
tag[n] = tg;
name[n] = alloc(strlen((char*)s)+2);
name[n][0] = m;
strcpy((char*)name[n]+1, (char*)s);
nname++;
menu3.lasthit = n+NMENU3;
}
void
menudel(int n)
{
int i;
if(nname==0 || n>=nname || text[n])
panic("menudel");
free(name[n]);
--nname;
for(i = n; i<nname; i++)
name[i]=name[i+1], text[i]=text[i+1], tag[i]=tag[i+1];
}
void
setpat(char *s)
{
static char pat[17];
pat[0] = '/';
strncpy(pat+1, s, 15);
menu2str[Search] = pat;
}
#define NBUF 64
static uchar buf[NBUF*UTFmax]={' ', ' ', ' ', ' '};
char *
paren(char *s)
{
uchar *t = buf;
*t++ = '(';
do; while(*t++ = *s++);
t[-1] = ')';
*t = 0;
return (char *)buf;
}
char*
genmenu2(int n)
{
Text *t=(Text *)which->user1;
char *p;
if(n>=NMENU2+(menu2str[Search]!=0))
return 0;
p = menu2str[n];
if(!hostlock && !t->lock || n==Search || n==Look)
return p;
return paren(p);
}
char*
genmenu2c(int n)
{
Text *t=(Text *)which->user1;
char *p;
if(n >= NMENU2C)
return 0;
if(n == Send)
p="send";
else
p = menu2str[n];
if(!hostlock && !t->lock)
return p;
return paren(p);
}
char *
genmenu3(int n)
{
Text *t;
int c, i, k, l, w;
Rune r;
char *p;
if(n >= NMENU3+nname)
return 0;
if(n < NMENU3){
p = menu3str[n];
if(hostlock)
p = paren(p);
return p;
}
n -= NMENU3;
if(n == 0) /* unless we've been fooled, this is cmd */
return (char *)&name[n][1];
if(mw == -1){
mw = 7; /* strlen("~~sam~~"); */
for(i=1; i<nname; i++){
w = utflen((char*)name[i]+1)+4; /* include "'+. " */
if(w > mw)
mw = w;
}
}
if(mw > NBUF)
mw = NBUF;
t = text[n];
buf[0] = name[n][0];
buf[1] = '-';
buf[2] = ' ';
buf[3] = ' ';
if(t){
if(t->nwin == 1)
buf[1] = '+';
else if(t->nwin > 1)
buf[1] = '*';
if(work && t==(Text *)work->user1) {
buf[2]= '.';
if(modified)
buf[0] = '\'';
}
}
l = utflen((char*)name[n]+1);
if(l > NBUF-4-2){
i = 4;
k = 1;
while(i < NBUF/2){
k += chartorune(&r, (char*)name[n]+k);
i++;
}
c = name[n][k];
name[n][k] = 0;
strcpy((char*)buf+4, (char*)name[n]+1);
name[n][k] = c;
strcat((char*)buf, "...");
while((l-i) >= NBUF/2-4){
k += chartorune(&r, (char*)name[n]+k);
i++;
}
strcat((char*)buf, (char*)name[n]+k);
}else
strcpy((char*)buf+4, (char*)name[n]+1);
i = utflen((char*)buf);
k = strlen((char*)buf);
while(i<mw && k<sizeof buf-1){
buf[k++] = ' ';
i++;
}
buf[k] = 0;
return (char *)buf;
}

View file

@ -0,0 +1,802 @@
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <cursor.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include <plumb.h>
#include "flayer.h"
#include "samterm.h"
#define HSIZE 3 /* Type + short count */
Header h;
uchar indata[DATASIZE+1]; /* room for NUL */
uchar outdata[DATASIZE];
short outcount;
int hversion;
int exiting;
void inmesg(Hmesg, int);
int inshort(int);
long inlong(int);
vlong invlong(int);
void hsetdot(int, long, long);
void hmoveto(int, long);
void hsetsnarf(int);
void hplumb(int);
void clrlock(void);
int snarfswap(char*, int, char**);
void
rcv(void)
{
int c;
static state = 0;
static count = 0;
static i = 0;
static int errs = 0;
while((c=rcvchar()) != -1)
switch(state){
case 0:
h.type = c;
state++;
break;
case 1:
h.count0 = c;
state++;
break;
case 2:
h.count1 = c;
count = h.count0|(h.count1<<8);
i = 0;
if(count > DATASIZE){
if(++errs < 5){
dumperrmsg(count, h.type, h.count0, c);
state = 0;
continue;
}
fprint(2, "type %d count %d\n", h.type, count);
panic("count>DATASIZE");
}
if(count == 0)
goto zerocount;
state++;
break;
case 3:
indata[i++] = c;
if(i == count){
zerocount:
indata[i] = 0;
inmesg(h.type, count);
state = count = 0;
continue;
}
break;
}
}
Text *
whichtext(int tg)
{
int i;
for(i=0; i<nname; i++)
if(tag[i] == tg)
return text[i];
panic("whichtext");
return 0;
}
void
inmesg(Hmesg type, int count)
{
Text *t;
int i, m;
long l;
Flayer *lp;
m = inshort(0);
l = inlong(2);
switch(type){
case -1:
panic("rcv error");
default:
fprint(2, "type %d\n", type);
panic("rcv unknown");
case Hversion:
hversion = m;
break;
case Hbindname:
l = invlong(2); /* for 64-bit pointers */
if((i=whichmenu(m)) < 0)
break;
/* in case of a race, a bindname may already have occurred */
if((t=whichtext(m)) == 0)
t=(Text *)l;
else /* let the old one win; clean up the new one */
while(((Text *)l)->nwin>0)
closeup(&((Text *)l)->l[((Text *)l)->front]);
text[i] = t;
text[i]->tag = m;
break;
case Hcurrent:
if(whichmenu(m)<0)
break;
t = whichtext(m);
i = which && ((Text *)which->user1)==&cmd && m!=cmd.tag;
if(t==0 && (t = sweeptext(0, m))==0)
break;
if(t->l[t->front].textfn==0)
panic("Hcurrent");
lp = &t->l[t->front];
if(i){
flupfront(lp);
flborder(lp, 0);
work = lp;
}else
current(lp);
break;
case Hmovname:
if((m=whichmenu(m)) < 0)
break;
t = text[m];
l = tag[m];
i = name[m][0];
text[m] = 0; /* suppress panic in menudel */
menudel(m);
if(t == &cmd)
m = 0;
else{
if (nname>0 && text[0]==&cmd)
m = 1;
else m = 0;
for(; m<nname; m++)
if(strcmp((char*)indata+2, (char*)name[m]+1)<0)
break;
}
menuins(m, indata+2, t, i, (int)l);
break;
case Hgrow:
if(whichmenu(m) >= 0)
hgrow(m, l, inlong(6), 1);
break;
case Hnewname:
menuins(0, (uchar *)"", (Text *)0, ' ', m);
break;
case Hcheck0:
i = whichmenu(m);
if(i>=0) {
t = text[i];
if(t)
t->lock++;
outTs(Tcheck, m);
}
break;
case Hcheck:
i = whichmenu(m);
if(i>=0) {
t = text[i];
if(t && t->lock)
t->lock--;
hcheck(m);
}
break;
case Hunlock:
clrlock();
break;
case Hdata:
if(whichmenu(m) >= 0)
l += hdata(m, l, indata+6, count-6);
Checkscroll:
if(m == cmd.tag){
for(i=0; i<NL; i++){
lp = &cmd.l[i];
if(lp->textfn)
center(lp, l>=0? l : lp->p1);
}
}
break;
case Horigin:
if(whichmenu(m) >= 0)
horigin(m, l);
break;
case Hunlockfile:
if(whichmenu(m)>=0 && (t = whichtext(m))->lock){
--t->lock;
l = -1;
goto Checkscroll;
}
break;
case Hsetdot:
if(whichmenu(m) >= 0)
hsetdot(m, l, inlong(6));
break;
case Hgrowdata:
if(whichmenu(m)<0)
break;
hgrow(m, l, inlong(6), 0);
whichtext(m)->lock++; /* fake the request */
l += hdata(m, l, indata+10, count-10);
goto Checkscroll;
case Hmoveto:
if(whichmenu(m)>=0)
hmoveto(m, l);
break;
case Hclean:
if((m = whichmenu(m)) >= 0)
name[m][0] = ' ';
break;
case Hdirty:
if((m = whichmenu(m))>=0)
name[m][0] = '\'';
break;
case Hdelname:
if((m=whichmenu(m)) >= 0)
menudel(m);
break;
case Hcut:
if(whichmenu(m) >= 0)
hcut(m, l, inlong(6));
break;
case Hclose:
if(whichmenu(m)<0 || (t = whichtext(m))==0)
break;
l = t->nwin;
for(i = 0,lp = t->l; l>0 && i<NL; i++,lp++)
if(lp->textfn){
closeup(lp);
--l;
}
break;
case Hsetpat:
setpat((char *)indata);
break;
case Hsetsnarf:
hsetsnarf(m);
break;
case Hsnarflen:
snarflen = inlong(0);
break;
case Hack:
outT0(Tack);
break;
case Hexit:
exiting = 1;
outT0(Texit);
threadexitsall(nil);
break;
case Hplumb:
hplumb(m);
break;
}
}
void
setlock(void)
{
hostlock++;
setcursor(mousectl, cursor = &lockarrow);
}
void
clrlock(void)
{
hasunlocked = 1;
if(hostlock > 0)
hostlock--;
if(hostlock == 0)
setcursor(mousectl, cursor=(Cursor *)0);
}
void
startfile(Text *t)
{
outTsv(Tstartfile, t->tag, (vlong)t); /* for 64-bit pointers */
setlock();
}
void
startnewfile(int type, Text *t)
{
t->tag = Untagged;
outTv(type, (vlong)t); /* for 64-bit pointers */
}
int
inshort(int n)
{
return indata[n]|(indata[n+1]<<8);
}
long
inlong(int n)
{
return indata[n]|(indata[n+1]<<8)|
((long)indata[n+2]<<16)|((long)indata[n+3]<<24);
}
vlong
invlong(int n)
{
vlong v;
v = (indata[n+7]<<24) | (indata[n+6]<<16) | (indata[n+5]<<8) | indata[n+4];
v = (v<<16) | (indata[n+3]<<8) | indata[n+2];
v = (v<<16) | (indata[n+1]<<8) | indata[n];
return v;
}
void
outT0(Tmesg type)
{
outstart(type);
outsend();
}
void
outTl(Tmesg type, long l)
{
outstart(type);
outlong(l);
outsend();
}
void
outTs(Tmesg type, int s)
{
outstart(type);
outshort(s);
outsend();
}
void
outTss(Tmesg type, int s1, int s2)
{
outstart(type);
outshort(s1);
outshort(s2);
outsend();
}
void
outTsll(Tmesg type, int s1, long l1, long l2)
{
outstart(type);
outshort(s1);
outlong(l1);
outlong(l2);
outsend();
}
void
outTsl(Tmesg type, int s1, long l1)
{
outstart(type);
outshort(s1);
outlong(l1);
outsend();
}
void
outTsv(Tmesg type, int s1, vlong v1)
{
outstart(type);
outshort(s1);
outvlong(v1);
outsend();
}
void
outTv(Tmesg type, vlong v1)
{
outstart(type);
outvlong(v1);
outsend();
}
void
outTslS(Tmesg type, int s1, long l1, Rune *s)
{
char buf[DATASIZE*UTFmax+1];
char *c;
outstart(type);
outshort(s1);
outlong(l1);
c = buf;
while(*s)
c += runetochar(c, s++);
*c++ = 0;
outcopy(c-buf, (uchar *)buf);
outsend();
}
void
outTsls(Tmesg type, int s1, long l1, int s2)
{
outstart(type);
outshort(s1);
outlong(l1);
outshort(s2);
outsend();
}
void
outstart(Tmesg type)
{
outdata[0] = type;
outcount = 0;
}
void
outcopy(int count, uchar *data)
{
while(count--)
outdata[HSIZE+outcount++] = *data++;
}
void
outshort(int s)
{
uchar buf[2];
buf[0]=s;
buf[1]=s>>8;
outcopy(2, buf);
}
void
outlong(long l)
{
uchar buf[4];
buf[0]=l;
buf[1]=l>>8;
buf[2]=l>>16;
buf[3]=l>>24;
outcopy(4, buf);
}
void
outvlong(vlong v)
{
int i;
uchar buf[8];
for(i = 0; i < sizeof(buf); i++){
buf[i] = v;
v >>= 8;
}
outcopy(8, buf);
}
void
outsend(void)
{
if(outcount>DATASIZE-HSIZE)
panic("outcount>sizeof outdata");
outdata[1]=outcount;
outdata[2]=outcount>>8;
if(write(1, (char *)outdata, outcount+HSIZE)!=outcount+HSIZE)
panic("write error");
}
void
hsetdot(int m, long p0, long p1)
{
Text *t = whichtext(m);
Flayer *l = &t->l[t->front];
flushtyping(1);
flsetselect(l, p0, p1);
}
void
horigin(int m, long p0)
{
Text *t = whichtext(m);
Flayer *l = &t->l[t->front];
long a;
ulong n;
Rune *r;
if(!flprepare(l)){
l->origin = p0;
return;
}
a = p0-l->origin;
if(a>=0 && a<l->f.nchars)
frdelete(&l->f, 0, a);
else if(a<0 && -a<l->f.nchars){
r = rload(&t->rasp, p0, l->origin, &n);
frinsert(&l->f, r, r+n, 0);
}else
frdelete(&l->f, 0, l->f.nchars);
l->origin = p0;
scrdraw(l, t->rasp.nrunes);
if(l->visible==Some)
flrefresh(l, l->entire, 0);
hcheck(m);
}
void
hmoveto(int m, long p0)
{
Text *t = whichtext(m);
Flayer *l = &t->l[t->front];
if(p0<l->origin || p0-l->origin>l->f.nchars*9/10)
outTsll(Torigin, m, p0, 2L);
}
void
hcheck(int m)
{
Flayer *l;
Text *t;
int reqd = 0, i;
long n, nl, a;
Rune *r;
if(m == Untagged)
return;
t = whichtext(m);
if(t == 0) /* possible in a half-built window */
return;
for(l = &t->l[0], i = 0; i<NL; i++, l++){
if(l->textfn==0 || !flprepare(l)) /* BUG: don't
need this if BUG below
is fixed */
continue;
a = t->l[i].origin;
n = rcontig(&t->rasp, a, a+l->f.nchars, 1);
if(n<l->f.nchars) /* text missing in middle of screen */
a+=n;
else{ /* text missing at end of screen? */
Again:
if(l->f.lastlinefull)
goto Checksel; /* all's well */
a = t->l[i].origin+l->f.nchars;
n = t->rasp.nrunes-a;
if(n==0)
goto Checksel;
if(n>TBLOCKSIZE)
n = TBLOCKSIZE;
n = rcontig(&t->rasp, a, a+n, 1);
if(n>0){
rload(&t->rasp, a, a+n, 0);
nl = l->f.nchars;
r = scratch;
flinsert(l, r, r+n, l->origin+nl);
if(nl == l->f.nchars) /* made no progress */
goto Checksel;
goto Again;
}
}
if(!reqd){
n = rcontig(&t->rasp, a, a+TBLOCKSIZE, 0);
if(n <= 0)
panic("hcheck request==0");
outTsls(Trequest, m, a, (int)n);
outTs(Tcheck, m);
t->lock++; /* for the Trequest */
t->lock++; /* for the Tcheck */
reqd++;
}
Checksel:
flsetselect(l, l->p0, l->p1);
}
}
void
flnewlyvisible(Flayer *l)
{
hcheck(((Text *)l->user1)->tag);
}
void
hsetsnarf(int nc)
{
char *s2;
char *s1;
int i;
int n;
setcursor(mousectl, &deadmouse);
s2 = alloc(nc+1);
for(i=0; i<nc; i++)
s2[i] = getch();
s2[nc] = 0;
n = snarfswap(s2, nc, &s1);
if(n >= 0){
if(!s1)
n = 0;
s1 = realloc(s1, n+1);
if (!s1)
panic("realloc");
s1[n] = 0;
snarflen = n;
outTs(Tsetsnarf, n);
if(n>0 && write(1, s1, n)!=n)
panic("snarf write error");
free(s1);
}else
outTs(Tsetsnarf, 0);
free(s2);
setcursor(mousectl, cursor);
}
void
hplumb(int nc)
{
int i;
char *s;
Plumbmsg *m;
s = alloc(nc);
for(i=0; i<nc; i++)
s[i] = getch();
if(plumbfd >= 0){
m = plumbunpack(s, nc);
if(m != 0)
plumbsend(plumbfd, m);
plumbfree(m);
}
free(s);
}
void
hgrow(int m, long a, long new, int req)
{
int i;
Flayer *l;
Text *t = whichtext(m);
long o, b;
if(new <= 0)
panic("hgrow");
rresize(&t->rasp, a, 0L, new);
for(l = &t->l[0], i = 0; i<NL; i++, l++){
if(l->textfn == 0)
continue;
o = l->origin;
b = a-o-rmissing(&t->rasp, o, a);
if(a < o)
l->origin+=new;
if(a < l->p0)
l->p0+=new;
if(a < l->p1)
l->p1+=new;
/* must prevent b temporarily becoming unsigned */
if(!req || a<o || (b>0 && b>l->f.nchars) ||
(l->f.nchars==0 && a-o>0))
continue;
if(new>TBLOCKSIZE)
new = TBLOCKSIZE;
outTsls(Trequest, m, a, (int)new);
t->lock++;
req = 0;
}
}
int
hdata1(Text *t, long a, Rune *r, int len)
{
int i;
Flayer *l;
long o, b;
for(l = &t->l[0], i=0; i<NL; i++, l++){
if(l->textfn==0)
continue;
o = l->origin;
b = a-o-rmissing(&t->rasp, o, a);
/* must prevent b temporarily becoming unsigned */
if(a<o || (b>0 && b>l->f.nchars))
continue;
flinsert(l, r, r+len, o+b);
}
rdata(&t->rasp, a, a+len, r);
rclean(&t->rasp);
return len;
}
int
hdata(int m, long a, uchar *s, int len)
{
int i, w;
Text *t = whichtext(m);
Rune buf[DATASIZE], *r;
if(t->lock)
--t->lock;
if(len == 0)
return 0;
r = buf;
for(i=0; i<len; i+=w,s+=w)
w = chartorune(r++, (char*)s);
return hdata1(t, a, buf, r-buf);
}
int
hdatarune(int m, long a, Rune *r, int len)
{
Text *t = whichtext(m);
if(t->lock)
--t->lock;
if(len == 0)
return 0;
return hdata1(t, a, r, len);
}
void
hcut(int m, long a, long old)
{
Flayer *l;
Text *t = whichtext(m);
int i;
long o, b;
if(t->lock)
--t->lock;
for(l = &t->l[0], i = 0; i<NL; i++, l++){
if(l->textfn == 0)
continue;
o = l->origin;
b = a-o-rmissing(&t->rasp, o, a);
/* must prevent b temporarily becoming unsigned */
if((b<0 || b<l->f.nchars) && a+old>=o){
fldelete(l, b<0? o : o+b,
a+old-rmissing(&t->rasp, o, a+old));
}
if(a+old<o)
l->origin-=old;
else if(a<=o)
l->origin = a;
if(a+old<l->p0)
l->p0-=old;
else if(a<=l->p0)
l->p0 = a;
if(a+old<l->p1)
l->p1-=old;
else if(a<=l->p1)
l->p1 = a;
}
rresize(&t->rasp, a, old, 0L);
rclean(&t->rasp);
}

View file

@ -0,0 +1,36 @@
</$objtype/mkfile
TARG=samterm
OFILES=main.$O\
icons.$O\
menu.$O\
mesg.$O\
rasp.$O\
scroll.$O\
flayer.$O\
io.$O\
plan9.$O\
HFILES=samterm.h\
flayer.h\
/sys/include/frame.h\
LIB= /$objtype/lib/libdraw.a\
/$objtype/lib/libframe.a\
BIN=/$objtype/bin/aux
UPDATE=\
mkfile\
$HFILES\
${OFILES:%.$O=%.c}\
</sys/src/cmd/mkone
CFLAGS=-I../sam $CFLAGS
mesg.$O: ../sam/mesg.h
syms:V:
$CC -a $CFLAGS main.c > syms
for(i in *.c) $CC -aa $CFLAGS $i >> syms

View file

@ -0,0 +1,274 @@
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include <plumb.h>
#include "flayer.h"
#include "samterm.h"
enum {
STACK = 4096,
};
static char exname[64];
void
usage(void)
{
fprint(2, "usage: samterm [-ai]\n");
threadexitsall("usage");
}
void
getscreen(int argc, char **argv)
{
char *t;
ARGBEGIN{
case 'a':
autoindent = 1;
break;
case 'i':
spacesindent = 1;
break;
default:
usage();
}ARGEND
if(initdraw(panic1, nil, "sam") < 0){
fprint(2, "samterm: initdraw: %r\n");
threadexitsall("init");
}
t = getenv("tabstop");
if(t != nil)
maxtab = strtoul(t, nil, 0);
free(t);
draw(screen, screen->clipr, display->black, nil, ZP);
}
int
screensize(int *w, int *h)
{
int fd, n;
char buf[5*12+1];
fd = open("/dev/screen", OREAD);
if(fd < 0)
return 0;
n = read(fd, buf, sizeof(buf)-1);
close(fd);
if (n != sizeof(buf)-1)
return 0;
buf[n] = 0;
if (h) {
*h = atoi(buf+4*12)-atoi(buf+2*12);
if (*h < 0)
return 0;
}
if (w) {
*w = atoi(buf+3*12)-atoi(buf+1*12);
if (*w < 0)
return 0;
}
return 1;
}
int
snarfswap(char *fromsam, int nc, char **tosam)
{
char *s1;
int f, n, ss;
f = open("/dev/snarf", 0);
if(f < 0)
return -1;
ss = SNARFSIZE;
if(hversion < 2)
ss = 4096;
*tosam = s1 = alloc(ss);
n = read(f, s1, ss-1);
close(f);
if(n < 0)
n = 0;
if (n == 0) {
*tosam = 0;
free(s1);
} else
s1[n] = 0;
f = create("/dev/snarf", 1, 0666);
if(f >= 0){
write(f, fromsam, nc);
close(f);
}
return n;
}
void
dumperrmsg(int count, int type, int count0, int c)
{
fprint(2, "samterm: host mesg: count %d %ux %ux %ux %s...ignored\n",
count, type, count0, c, rcvstring());
}
void
removeextern(void)
{
remove(exname);
}
Readbuf hostbuf[2];
Readbuf plumbbuf[2];
void
extproc(void *argv)
{
Channel *c;
int i, n, which, *fdp;
void **arg;
arg = argv;
c = arg[0];
fdp = arg[1];
i = 0;
for(;;){
i = 1-i; /* toggle */
n = read(*fdp, plumbbuf[i].data, sizeof plumbbuf[i].data);
if(n <= 0){
fprint(2, "samterm: extern read error: %r\n");
threadexits("extern"); /* not a fatal error */
}
plumbbuf[i].n = n;
which = i;
send(c, &which);
}
}
int
plumbformat(int i)
{
Plumbmsg *m;
char *addr, *data, *act;
int n;
data = (char*)plumbbuf[i].data;
m = plumbunpack(data, plumbbuf[i].n);
if(m == nil)
return 0;
n = m->ndata;
if(n == 0){
plumbfree(m);
return 0;
}
act = plumblookup(m->attr, "action");
if(act!=nil && strcmp(act, "showfile")!=0){
/* can't handle other cases yet */
plumbfree(m);
return 0;
}
addr = plumblookup(m->attr, "addr");
if(addr){
if(addr[0] == '\0')
addr = nil;
else
addr = strdup(addr); /* copy to safe storage; we'll overwrite data */
}
memmove(data, "B ", 2); /* we know there's enough room for this */
memmove(data+2, m->data, n);
n += 2;
if(data[n-1] != '\n')
data[n++] = '\n';
if(addr != nil){
if(n+strlen(addr)+1+1 <= READBUFSIZE)
n += sprint(data+n, "%s\n", addr);
free(addr);
}
plumbbuf[i].n = n;
plumbfree(m);
return 1;
}
void
plumbproc(void *argv)
{
Channel *c;
int i, n, which, *fdp;
void **arg;
arg = argv;
c = arg[0];
fdp = arg[1];
i = 0;
for(;;){
i = 1-i; /* toggle */
n = read(*fdp, plumbbuf[i].data, READBUFSIZE);
if(n <= 0){
fprint(2, "samterm: plumb read error: %r\n");
threadexits("plumb"); /* not a fatal error */
}
plumbbuf[i].n = n;
if(plumbformat(i)){
which = i;
send(c, &which);
}
}
}
int
plumbstart(void)
{
static int fd;
static void *arg[2];
plumbfd = plumbopen("send", OWRITE|OCEXEC); /* not open is ok */
fd = plumbopen("edit", OREAD|OCEXEC);
if(fd < 0)
return -1;
plumbc = chancreate(sizeof(int), 0);
if(plumbc == nil){
close(fd);
return -1;
}
arg[0] =plumbc;
arg[1] = &fd;
proccreate(plumbproc, arg, STACK);
return 1;
}
void
hostproc(void *arg)
{
Channel *c;
int i, n, which;
c = arg;
i = 0;
for(;;){
i = 1-i; /* toggle */
n = read(0, hostbuf[i].data, sizeof hostbuf[i].data);
if(n <= 0){
if(n==0){
if(exiting)
threadexits(nil);
werrstr("unexpected eof");
}
fprint(2, "samterm: host read error: %r\n");
threadexitsall("host");
}
hostbuf[i].n = n;
which = i;
send(c, &which);
}
}
void
hoststart(void)
{
hostc = chancreate(sizeof(int), 0);
proccreate(hostproc, hostc, STACK);
}

View file

@ -0,0 +1,265 @@
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include "flayer.h"
#include "samterm.h"
void
rinit(Rasp *r)
{
r->nrunes=0;
r->sect=0;
}
void
rclear(Rasp *r)
{
Section *s, *ns;
for(s=r->sect; s; s=ns){
ns = s->next;
free(s->text);
free(s);
}
r->sect = 0;
}
Section*
rsinsert(Rasp *r, Section *s) /* insert before s */
{
Section *t;
Section *u;
t = alloc(sizeof(Section));
if(r->sect == s){ /* includes empty list case: r->sect==s==0 */
r->sect = t;
t->next = s;
}else{
u = r->sect;
if(u == 0)
panic("rsinsert 1");
do{
if(u->next == s){
t->next = s;
u->next = t;
goto Return;
}
u=u->next;
}while(u);
panic("rsinsert 2");
}
Return:
return t;
}
void
rsdelete(Rasp *r, Section *s)
{
Section *t;
if(s == 0)
panic("rsdelete");
if(r->sect == s){
r->sect = s->next;
goto Free;
}
for(t=r->sect; t; t=t->next)
if(t->next == s){
t->next = s->next;
Free:
if(s->text)
free(s->text);
free(s);
return;
}
panic("rsdelete 2");
}
void
splitsect(Rasp *r, Section *s, long n0)
{
if(s == 0)
panic("splitsect");
rsinsert(r, s->next);
if(s->text == 0)
s->next->text = 0;
else{
s->next->text = alloc(RUNESIZE*(TBLOCKSIZE+1));
Strcpy(s->next->text, s->text+n0);
s->text[n0] = 0;
}
s->next->nrunes = s->nrunes-n0;
s->nrunes = n0;
}
Section *
findsect(Rasp *r, Section *s, long p, long q) /* find sect containing q and put q on a sect boundary */
{
if(s==0 && p!=q)
panic("findsect");
for(; s && p+s->nrunes<=q; s=s->next)
p += s->nrunes;
if(p != q){
splitsect(r, s, q-p);
s = s->next;
}
return s;
}
void
rresize(Rasp *r, long a, long old, long new)
{
Section *s, *t, *ns;
s = findsect(r, r->sect, 0L, a);
t = findsect(r, s, a, a+old);
for(; s!=t; s=ns){
ns=s->next;
rsdelete(r, s);
}
/* now insert the new piece before t */
if(new > 0){
ns=rsinsert(r, t);
ns->nrunes=new;
ns->text=0;
}
r->nrunes += new-old;
}
void
rdata(Rasp *r, long p0, long p1, Rune *cp)
{
Section *s, *t, *ns;
s = findsect(r, r->sect, 0L, p0);
t = findsect(r, s, p0, p1);
for(; s!=t; s=ns){
ns=s->next;
if(s->text)
panic("rdata");
rsdelete(r, s);
}
p1 -= p0;
s = rsinsert(r, t);
s->text = alloc(RUNESIZE*(TBLOCKSIZE+1));
memmove(s->text, cp, RUNESIZE*p1);
s->text[p1] = 0;
s->nrunes = p1;
}
void
rclean(Rasp *r)
{
Section *s;
for(s=r->sect; s; s=s->next)
while(s->next && (s->text!=0)==(s->next->text!=0)){
if(s->text){
if(s->nrunes+s->next->nrunes>TBLOCKSIZE)
break;
Strcpy(s->text+s->nrunes, s->next->text);
}
s->nrunes += s->next->nrunes;
rsdelete(r, s->next);
}
}
void
Strcpy(Rune *to, Rune *from)
{
do; while(*to++ = *from++);
}
Rune*
rload(Rasp *r, ulong p0, ulong p1, ulong *nrp)
{
Section *s;
long p;
int n, nb;
nb = 0;
Strgrow(&scratch, &nscralloc, p1-p0+1);
scratch[0] = 0;
for(p=0,s=r->sect; s && p+s->nrunes<=p0; s=s->next)
p += s->nrunes;
while(p<p1 && s){
/*
* Subtle and important. If we are preparing to handle an 'rdata'
* call, it's because we have an 'rresize' hole here, so the
* screen doesn't have data for that space anyway (it got cut
* first). So pretend it isn't there.
*/
if(s->text){
n = s->nrunes-(p0-p);
if(n>p1-p0) /* all in this section */
n = p1-p0;
memmove(scratch+nb, s->text+(p0-p), n*RUNESIZE);
nb += n;
scratch[nb] = 0;
}
p += s->nrunes;
p0 = p;
s = s->next;
}
if(nrp)
*nrp = nb;
return scratch;
}
int
rmissing(Rasp *r, ulong p0, ulong p1)
{
Section *s;
long p;
int n, nm=0;
for(p=0,s=r->sect; s && p+s->nrunes<=p0; s=s->next)
p += s->nrunes;
while(p<p1 && s){
if(s->text == 0){
n = s->nrunes-(p0-p);
if(n > p1-p0) /* all in this section */
n = p1-p0;
nm += n;
}
p += s->nrunes;
p0 = p;
s = s->next;
}
return nm;
}
int
rcontig(Rasp *r, ulong p0, ulong p1, int text)
{
Section *s;
long p, n;
int np=0;
for(p=0,s=r->sect; s && p+s->nrunes<=p0; s=s->next)
p += s->nrunes;
while(p<p1 && s && (text? (s->text!=0) : (s->text==0))){
n = s->nrunes-(p0-p);
if(n > p1-p0) /* all in this section */
n = p1-p0;
np += n;
p += s->nrunes;
p0 = p;
s = s->next;
}
return np;
}
void
Strgrow(Rune **s, long *n, int want) /* can always toss the old data when called */
{
if(*n >= want)
return;
free(*s);
*s = alloc(RUNESIZE*want);
*n = want;
}

View file

@ -0,0 +1,181 @@
#define SAMTERM
#define RUNESIZE sizeof(Rune)
#define MAXFILES 256
#define READBUFSIZE 8192
#define NL 5
enum{
Up,
Down,
Kbel=0x7,
};
typedef struct Text Text;
typedef struct Section Section;
typedef struct Rasp Rasp;
typedef struct Readbuf Readbuf;
struct Section
{
long nrunes;
Rune *text; /* if null, we haven't got it */
Section *next;
};
struct Rasp
{
long nrunes;
Section *sect;
};
#define Untagged ((ushort)65535)
struct Text
{
Rasp rasp;
short nwin;
short front; /* input window */
ushort tag;
char lock;
Flayer l[NL]; /* screen storage */
};
struct Readbuf
{
short n; /* # bytes in buf */
uchar data[READBUFSIZE]; /* data bytes */
};
enum Resource
{
RHost,
RKeyboard,
RMouse,
RPlumb,
RResize,
NRes,
};
extern Text **text;
extern uchar **name;
extern ushort *tag;
extern int nname;
extern int mname;
extern Cursor bullseye;
extern Cursor deadmouse;
extern Cursor lockarrow;
extern Cursor *cursor;
extern Flayer *which;
extern Flayer *work;
extern Text cmd;
extern Rune *scratch;
extern long nscralloc;
extern char hostlock;
extern char hasunlocked;
extern long snarflen;
extern Mousectl* mousectl;
extern Keyboardctl* keyboardctl;
extern Mouse* mousep;
extern long modified;
extern int maxtab;
extern Readbuf hostbuf[2]; /* double buffer; it's synchronous communication */
extern Readbuf plumbbuf[2]; /* double buffer; it's synchronous communication */
extern Channel *plumbc;
extern Channel *hostc;
extern int hversion;
extern int plumbfd;
extern int exiting;
extern int autoindent;
extern int spacesindent;
Rune *gettext(Flayer*, long, ulong*);
void *alloc(ulong n);
void iconinit(void);
void getscreen(int, char**);
void initio(void);
void setlock(void);
void outcmd(void);
void rinit(Rasp*);
void startnewfile(int, Text*);
void getmouse(void);
void mouseunblock(void);
void kbdblock(void);
void hoststart(void);
int plumbstart(void);
int button(int but);
int load(char*, int);
int waitforio(void);
int rcvchar(void);
int getch(void);
int kbdchar(void);
int qpeekc(void);
void cut(Text*, int, int, int);
void paste(Text*, int);
void snarf(Text*, int);
int center(Flayer*, long);
int xmenuhit(int, Menu*);
void buttons(int);
int getr(Rectangle*);
void current(Flayer*);
void duplicate(Flayer*, Rectangle, Font*, int);
void startfile(Text*);
void panic(char*);
void panic1(Display*, char*);
void closeup(Flayer*);
void Strgrow(Rune**, long*, int);
int RESIZED(void);
void resize(void);
void rcv(void);
void type(Flayer*, int);
void menu2hit(void);
void menu3hit(void);
void scroll(Flayer*, int);
void hcheck(int);
void rclear(Rasp*);
int whichmenu(int);
void hcut(int, long, long);
void horigin(int, long);
void hgrow(int, long, long, int);
int hdata(int, long, uchar*, int);
int hdatarune(int, long, Rune*, int);
Rune *rload(Rasp*, ulong, ulong, ulong*);
void menuins(int, uchar*, Text*, int, int);
void menudel(int);
Text *sweeptext(int, int);
void setpat(char*);
void scrdraw(Flayer*, long tot);
int rcontig(Rasp*, ulong, ulong, int);
int rmissing(Rasp*, ulong, ulong);
void rresize(Rasp *, long, long, long);
void rdata(Rasp*, long, long, Rune*);
void rclean(Rasp*);
void scrorigin(Flayer*, int, long);
long scrtotal(Flayer*);
void flnewlyvisible(Flayer*);
char *rcvstring(void);
void Strcpy(Rune*, Rune*);
void Strncpy(Rune*, Rune*, long);
void flushtyping(int);
void dumperrmsg(int, int, int, int);
int screensize(int*,int*);
void getmouse(void);
#include "mesg.h"
void outTs(Tmesg, int);
void outT0(Tmesg);
void outTl(Tmesg, long);
void outTslS(Tmesg, int, long, Rune*);
void outTsll(Tmesg, int, long, long);
void outTsl(Tmesg, int, long);
void outTsv(Tmesg, int, vlong);
void outTv(Tmesg, vlong);
void outstart(Tmesg);
void outcopy(int, uchar*);
void outshort(int);
void outlong(long);
void outvlong(vlong);
void outsend(void);

View file

@ -0,0 +1,177 @@
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include "flayer.h"
#include "samterm.h"
static Image *scrtmp;
static Image *scrback;
void
scrtemps(void)
{
int h;
if(scrtmp)
return;
if(screensize(0, &h) == 0)
h = 2048;
scrtmp = allocimage(display, Rect(0, 0, 32, h), screen->chan, 0, 0);
scrback = allocimage(display, Rect(0, 0, 32, h), screen->chan, 0, 0);
if(scrtmp==0 || scrback==0)
panic("scrtemps");
}
Rectangle
scrpos(Rectangle r, long p0, long p1, long tot)
{
Rectangle q;
int h;
q = r;
h = q.max.y-q.min.y;
if(tot == 0)
return q;
if(tot > 1024L*1024L)
tot>>=10, p0>>=10, p1>>=10;
if(p0 > 0)
q.min.y += h*p0/tot;
if(p1 < tot)
q.max.y -= h*(tot-p1)/tot;
if(q.max.y < q.min.y+2){
if(q.min.y+2 <= r.max.y)
q.max.y = q.min.y+2;
else
q.min.y = q.max.y-2;
}
return q;
}
void
scrmark(Flayer *l, Rectangle r)
{
r.max.x--;
if(rectclip(&r, l->scroll)) {
if (l->f.b == nil)
panic("scrmark: nil l->f.b");
draw(l->f.b, r, l->f.cols[HIGH], nil, ZP);
}
}
void
scrunmark(Flayer *l, Rectangle r)
{
if(rectclip(&r, l->scroll)) {
if (l->f.b == nil)
panic("scrunmark: nil l->f.b");
draw(l->f.b, r, scrback, nil, Pt(0, r.min.y-l->scroll.min.y));
}
}
void
scrdraw(Flayer *l, long tot)
{
Rectangle r, r1, r2;
Image *b;
scrtemps();
if(l->f.b == 0)
panic("scrdraw");
r = l->scroll;
r1 = r;
if(l->visible == All){
b = scrtmp;
r1.min.x = 0;
r1.max.x = Dx(r);
}else
b = l->f.b;
r2 = scrpos(r1, l->origin, l->origin+l->f.nchars, tot);
if(!eqrect(r2, l->lastsr)){
l->lastsr = r2;
draw(b, r1, l->f.cols[BORD], nil, ZP);
draw(b, r2, l->f.cols[BACK], nil, r2.min);
r2 = r1;
r2.min.x = r2.max.x-1;
draw(b, r2, l->f.cols[BORD], nil, ZP);
if(b!=l->f.b)
draw(l->f.b, r, b, nil, r1.min);
}
}
void
scroll(Flayer *l, int but)
{
int in = 0, oin;
long tot = scrtotal(l);
Rectangle scr, r, s, rt;
int x, y, my, oy, h;
long p0;
if(l->visible==None)
return;
s = l->scroll;
x = s.min.x+FLSCROLLWID/2;
scr = scrpos(l->scroll, l->origin, l->origin+l->f.nchars, tot);
r = scr;
y = scr.min.y;
my = mousep->xy.y;
draw(scrback, Rect(0,0,Dx(l->scroll), Dy(l->scroll)), l->f.b, nil, l->scroll.min);
do{
oin = in;
in = (but > 3) || (but == 2) || abs(x-mousep->xy.x)<=FLSCROLLWID/2;
if(oin && !in)
scrunmark(l, r);
if(in){
scrmark(l, r);
oy = y;
my = mousep->xy.y;
if(my < s.min.y)
my = s.min.y;
if(my >= s.max.y)
my = s.max.y;
if(but == 1 || but == 4){
p0 = l->origin-frcharofpt(&l->f, Pt(s.max.x, my));
rt = scrpos(l->scroll, p0, p0+l->f.nchars, tot);
y = rt.min.y;
}else if(but == 2){
y = my;
if(y > s.max.y-2)
y = s.max.y-2;
}else if(but == 3 || but == 5){
p0 = l->origin+frcharofpt(&l->f, Pt(s.max.x, my));
rt = scrpos(l->scroll, p0, p0+l->f.nchars, tot);
y = rt.min.y;
}
if(y != oy){
scrunmark(l, r);
r = rectaddpt(scr, Pt(0, y-scr.min.y));
scrmark(l, r);
}
}
}while(but <= 3 && button(but));
if(in){
h = s.max.y-s.min.y;
scrunmark(l, r);
p0 = 0;
if(but == 1 || but == 4){
but = 1;
p0 = (long)(my-s.min.y)/l->f.font->height+1;
}else if(but == 2){
if(tot > 1024L*1024L)
p0 = ((tot>>10)*(y-s.min.y)/h)<<10;
else
p0 = tot*(y-s.min.y)/h;
}else if(but == 3 || but == 5){
but = 3;
p0 = l->origin+frcharofpt(&l->f, Pt(s.max.x, my));
if(p0 > tot)
p0 = tot;
}
scrorigin(l, but, p0);
}
}

File diff suppressed because it is too large Load diff

View file

@ -29,17 +29,17 @@ flstart(Rectangle r)
lDrect = r;
/* Main text is yellowish */
maincols[BACK] = display->black;
maincols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x555555FF);
maincols[BORD] = allocimage(display, Rect(0,0,2,2), screen->chan, 1, 0x222222FF);
maincols[TEXT] = display->white;
maincols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
maincols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkyellow);
maincols[BORD] = allocimage(display, Rect(0,0,2,2), screen->chan, 1, DYellowgreen);
maincols[TEXT] = display->black;
maincols[HTEXT] = display->black;
/* Command text is blueish */
cmdcols[BACK] = display->black;
cmdcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x555555FF);
cmdcols[BORD] = allocimage(display, Rect(0,0,2,2), screen->chan, 1, 0x222222FF);
cmdcols[TEXT] = display->white;
cmdcols[BACK] = allocimagemix(display, DPalebluegreen, DWhite);
cmdcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalegreygreen);
cmdcols[BORD] = allocimage(display, Rect(0,0,2,2), screen->chan, 1, DPurpleblue);
cmdcols[TEXT] = display->black;
cmdcols[HTEXT] = display->black;
}
@ -90,12 +90,12 @@ void
flclose(Flayer *l)
{
if(l->visible == All)
draw(screen, l->entire, display->black, nil, ZP);
draw(screen, l->entire, display->white, nil, ZP);
else if(l->visible == Some){
if(l->f.b == 0)
l->f.b = allocimage(display, l->entire, screen->chan, 0, DNofill);
if(l->f.b){
draw(l->f.b, l->entire, display->black, nil, ZP);
draw(l->f.b, l->entire, display->white, nil, ZP);
flrefresh(l, l->entire, 0);
}
}
@ -363,7 +363,7 @@ flresize(Rectangle dr)
if(0 && Dx(dr)==Dx(olDrect) && Dy(dr)==Dy(olDrect))
move = 1;
else
draw(screen, lDrect, display->black, nil, ZP);
draw(screen, lDrect, display->white, nil, ZP);
for(i=0; i<nllist; i++){
l = llist[i];
l->lastsr = ZR;

View file

@ -46,7 +46,7 @@ getscreen(int argc, char **argv)
if(t != nil)
maxtab = strtoul(t, nil, 0);
free(t);
draw(screen, screen->clipr, display->black, nil, ZP);
draw(screen, screen->clipr, display->white, nil, ZP);
}
int