ref: f2cfee358f329519e913a20142d96b1e0029633c
dir: /sys/src/cmd/abaco/main.c/
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <memdraw.h>
#include <thread.h>
#include <mouse.h>
#include <keyboard.h>
#include <cursor.h>
#include <frame.h>
#include <regexp.h>
#include <plumb.h>
#include <html.h>
#include "dat.h"
#include "fns.h"
enum {
WPERCOL = 8,
};
void mousethread(void *);
void keyboardthread(void *);
void iconinit(void);
void plumbproc(void*);
Channel *cexit;
Channel *cplumb;
Mousectl *mousectl;
char *fontnames[2] = {
"/lib/font/bit/lucidasans/unicode.8.font",
"/lib/font/bit/lucidasans/passwd.6.font",
};
int snarffd = -1;
int mainpid;
int plumbwebfd;
int plumbsendfd ;
char *webmountpt = "/mnt/web";
char *charset = "iso-8859-1";
int mainstacksize = STACK;
void readpage(Column *, char *);
int shutdown(void *, char *);
void
derror(Display *, char *s)
{
error(s);
}
static void
usage(void)
{
fprint(2, "usage: %s [-c ncol] [-m mtpt] [-t charset] [-f font] [url...]\n",
argv0);
exits("usage");
}
void
threadmain(int argc, char *argv[])
{
Column *c;
char buf[256];
int i, ncol;
char *tfnt = nil;
rfork(RFENVG|RFNAMEG);
ncol = 1;
ARGBEGIN{
case 'c':
ncol = atoi(EARGF(usage()));
if(ncol <= 0)
usage();
break;
case 'm':
webmountpt = EARGF(usage());
break;
case 'p':
procstderr++;
break;
case 't':
charset = EARGF(usage());
break;
case 'f':
tfnt = EARGF(usage());
default:
usage();
break;
}ARGEND
snprint(buf, sizeof(buf), "%s/ctl", webmountpt);
webctlfd = open(buf, ORDWR);
if(webctlfd < 0)
sysfatal("can't initialize webfs: %r");
snarffd = open("/dev/snarf", OREAD|OCEXEC);
if(tfnt == nil){
tfnt = getenv("font");
if(tfnt != nil)
fontnames[0] = tfnt;
}
if(initdraw(derror, fontnames[0], "abaco") < 0)
sysfatal("can't open display: %r");
memimageinit();
iconinit();
timerinit();
initfontpaths();
cexit = chancreate(sizeof(int), 0);
crefresh = chancreate(sizeof(Page *), 0);
if(cexit==nil || crefresh==nil)
sysfatal("can't create initial channels: %r");
mousectl = initmouse(nil, screen);
if(mousectl == nil)
sysfatal("can't initialize mouse: %r");
mouse = mousectl;
keyboardctl = initkeyboard(nil);
if(keyboardctl == nil)
sysfatal("can't initialize keyboard: %r");
mainpid = getpid();
plumbwebfd = plumbopen("web", OREAD|OCEXEC);
if(plumbwebfd >= 0){
cplumb = chancreate(sizeof(Plumbmsg*), 0);
proccreate(plumbproc, nil, STACK);
}
plumbsendfd = plumbopen("send", OWRITE|OCEXEC);
rowinit(&row, screen->clipr);
for(i=0; i<ncol; i++){
c = rowadd(&row, nil, -1);
if(c==nil && i==0)
error("initializing columns");
}
c = row.col[row.ncol-1];
for(i=0; i<argc; i++)
if(i/WPERCOL >= row.ncol)
readpage(c, argv[i]);
else
readpage(row.col[i/WPERCOL], argv[i]);
flushimage(display, 1);
threadcreate(keyboardthread, nil, STACK);
threadcreate(mousethread, nil, STACK);
threadnotify(shutdown, 1);
recvul(cexit);
threadexitsall(nil);
}
void
readpage(Column *c, char *s)
{
Window *w;
Runestr rs;
w = coladd(c, nil, nil, -1);
bytetorunestr(s, &rs);
pageget(&w->page, &rs, nil, HGet, TRUE);
closerunestr(&rs);
}
char *oknotes[] = {
"delete",
"hangup",
"kill",
"exit",
nil
};
int
shutdown(void*, char *msg)
{
int i;
for(i=0; oknotes[i]; i++)
if(strncmp(oknotes[i], msg, strlen(oknotes[i])) == 0)
threadexitsall(msg);
print("abaco: %s\n", msg);
// abort();
return 0;
}
void
plumbproc(void *)
{
Plumbmsg *m;
threadsetname("plumbproc");
for(;;){
m = plumbrecv(plumbwebfd);
if(m == nil)
threadexits(nil);
sendp(cplumb, m);
}
}
enum { KTimer, KKey, NKALT, };
void
keyboardthread(void *)
{
Timer *timer;
Text *t;
Rune r;
static Alt alts[NKALT+1];
alts[KTimer].c = nil;
alts[KTimer].v = nil;
alts[KTimer].op = CHANNOP;
alts[KKey].c = keyboardctl->c;
alts[KKey].v = &r;
alts[KKey].op = CHANRCV;
alts[NKALT].op = CHANEND;
timer = nil;
threadsetname("keyboardthread");
for(;;){
switch(alt(alts)){
case KTimer:
timerstop(timer);
alts[KTimer].c = nil;
alts[KTimer].op = CHANNOP;
break;
case KKey:
casekeyboard:
typetext = rowwhich(&row, mouse->xy, r, TRUE);
t = typetext;
if(t!=nil && t->col!=nil &&
!(r==Kdown || r==Kleft || r==Kright))
/* scrolling doesn't change activecol */
activecol = t->col;
if(timer != nil)
timercancel(timer);
if(t!=nil){
texttype(t, r);
timer = timerstart(500);
alts[KTimer].c = timer->c;
alts[KTimer].op = CHANRCV;
}else{
timer = nil;
alts[KTimer].c = nil;
alts[KTimer].op = CHANNOP;
}
if(nbrecv(keyboardctl->c, &r) > 0)
goto casekeyboard;
flushimage(display, 1);
break;
}
}
}
void
mousethread(void *)
{
Plumbmsg *pm;
Mouse m;
Text *t;
int but;
enum { MResize, MMouse, MPlumb, MRefresh, NMALT };
static Alt alts[NMALT+1];
threadsetname("mousethread");
alts[MResize].c = mousectl->resizec;
alts[MResize].v = nil;
alts[MResize].op = CHANRCV;
alts[MMouse].c = mousectl->c;
alts[MMouse].v = &mousectl->Mouse;
alts[MMouse].op = CHANRCV;
alts[MPlumb].c = cplumb;
alts[MPlumb].v = ±
alts[MPlumb].op = CHANRCV;
alts[MRefresh].c = crefresh;
alts[MRefresh].v = nil;
alts[MRefresh].op = CHANRCV;
if(cplumb == nil)
alts[MPlumb].op = CHANNOP;
alts[NMALT].op = CHANEND;
for(;;){
qlock(&row);
flushrefresh();
qunlock(&row);
flushimage(display, 1);
switch(alt(alts)){
case MResize:
if(getwindow(display, Refnone) < 0)
error("resized");
scrlresize();
tmpresize();
rowresize(&row, screen->clipr);
break;
case MPlumb:
plumblook(pm);
plumbfree(pm);
break;
case MRefresh:
break;
case MMouse:
m = mousectl->Mouse;
if(m.buttons == 0)
continue;
qlock(&row);
but = 0;
if(m.buttons == 1)
but = 1;
else if(m.buttons == 2)
but = 2;
else if(m.buttons == 4)
but = 3;
if(m.buttons & (8|16)){
if(m.buttons & 8)
but = Kscrolloneup;
else
but = Kscrollonedown;
rowwhich(&row, m.xy, but, TRUE);
}else if(but){
t = rowwhich(&row, m.xy, but, FALSE);
if(t)
textmouse(t, m.xy, but);
}
qunlock(&row);
break;
}
}
}
Cursor boxcursor = {
{-7, -7},
{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F,
0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
{0x00, 0x00, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE,
0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x00, 0x00}
};
void
iconinit(void)
{
Rectangle r;
/* Green */
tagcols[BACK] = allocimagemix(display, DPalegreen, DWhite);
if(tagcols[BACK] == nil)
error("allocimagemix");
tagcols[HIGH] = eallocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkgreen);
tagcols[BORD] = eallocimage(display, Rect(0,0,1,1), screen->chan, 1, DMedgreen);
tagcols[TEXT] = display->black;
tagcols[HTEXT] = display->black;
/* Grey */
textcols[BACK] = display->white;
textcols[HIGH] = eallocimage(display, Rect(0,0,1,1), CMAP8,1, 0xCCCCCCFF);
textcols[BORD] = display->black;
textcols[TEXT] = display->black;
textcols[HTEXT] = display->black;
r = Rect(0, 0, Scrollsize+2, font->height+1);
button = eallocimage(display, r, screen->chan, 0, DNofill);
draw(button, r, tagcols[BACK], nil, r.min);
r.max.x -= 2;
border(button, r, 2, tagcols[BORD], ZP);
r = button->r;
colbutton = eallocimage(display, r, screen->chan, 0, 0x00994CFF);
but2col = eallocimage(display, Rect(0,0,1,2), screen->chan, 1, 0xAA0000FF);
but3col = eallocimage(display, Rect(0,0,1,2), screen->chan, 1, 0x444488FF);
passfont = openfont(display, fontnames[1]);
if(passfont == nil)
error("openfont");
}
/*
* /dev/snarf updates when the file is closed, so we must open our own
* fd here rather than use snarffd
*/
/*
* rio truncates large snarf buffers, so this avoids using the
* service if the string is huge
*/
enum
{
NSnarf = 1000,
MAXSNARF = 100*1024,
};
void
putsnarf(Runestr *rs)
{
int fd, i, n;
if(snarffd<0 || rs->nr==0)
return;
if(rs->nr > MAXSNARF)
return;
fd = open("/dev/snarf", OWRITE);
if(fd < 0)
return;
for(i=0; i<rs->nr; i+=n){
n = rs->nr-i;
if(n > NSnarf)
n =NSnarf;
if(fprint(fd, "%.*S", n, rs->r) < 0)
break;
}
close(fd);
}
void
getsnarf(Runestr *rs)
{
int i, n, nb, nulls;
char *sn, buf[BUFSIZE];
if(snarffd < 0)
return;
sn = nil;
i = 0;
seek(snarffd, 0, 0);
while((n=read(snarffd, buf, sizeof(buf))) > 0){
sn = erealloc(sn, i+n+1);
memmove(sn+i, buf, n);
i += n;
sn[i] = 0;
}
if(i > 0){
rs->r = runemalloc(i+1);
cvttorunes(sn, i, rs->r, &nb, &rs->nr, &nulls);
free(sn);
}
}