/*
* Trivial web browser
*/
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <memdraw.h>
#include <event.h>
#include <plumb.h>
#include <cursor.h>
#include <panel.h>
#include "mothra.h"
#include "rtext.h"
int verbose=0; /* -v flag causes html errors to appear in error log */
int inlinepix=1; /* get inline pix, by default */
int defdisplay=1; /* is the default (initial) display visible? */
Panel *root; /* the whole display */
Panel *alt; /* the alternate display */
Panel *alttext; /* the alternate text window */
Panel *cmd; /* command entry */
Panel *curttl; /* label giving the title of the visible text */
Panel *cururl; /* label giving the url of the visible text */
Panel *list; /* list of previously acquired www pages */
Panel *msg; /* message display */
Panel *selbox; /* show selection here */
Panel *menu3; /* button 3 menu */
Mouse mouse; /* current mouse data */
Www www[NWWW];
char helpfile[] = "file:/sys/lib/mothra/help.html";
Url defurl={
"http://plan9.bell-labs.com/",
0,
"plan9.bell-labs.com",
"/",
"",
"", "", "",
80,
HTTP,
HTML
};
Url badurl={
"No file loaded",
0,
"",
"/dev/null",
"", "", "",
"",
0,
FILE,
HTML
};
Cursor patientcurs={
0, 0,
0x01, 0x80, 0x03, 0xC0, 0x07, 0xE0, 0x07, 0xe0,
0x07, 0xe0, 0x07, 0xe0, 0x03, 0xc0, 0x0F, 0xF0,
0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8,
0x0F, 0xF0, 0x1F, 0xF8, 0x3F, 0xFC, 0x3F, 0xFC,
0x01, 0x80, 0x03, 0xC0, 0x07, 0xE0, 0x04, 0x20,
0x04, 0x20, 0x06, 0x60, 0x02, 0x40, 0x0C, 0x30,
0x10, 0x08, 0x14, 0x08, 0x14, 0x28, 0x12, 0x28,
0x0A, 0x50, 0x16, 0x68, 0x20, 0x04, 0x3F, 0xFC,
};
Cursor confirmcurs={
0, 0,
0x0F, 0xBF, 0x0F, 0xBF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFE, 0xFF, 0xFE,
0xFF, 0xFE, 0xFF, 0xFF, 0x00, 0x03, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFC,
0x00, 0x0E, 0x07, 0x1F, 0x03, 0x17, 0x73, 0x6F,
0xFB, 0xCE, 0xDB, 0x8C, 0xDB, 0xC0, 0xFB, 0x6C,
0x77, 0xFC, 0x00, 0x00, 0x00, 0x01, 0x00, 0x03,
0x94, 0xA6, 0x63, 0x3C, 0x63, 0x18, 0x94, 0x90
};
Cursor readingcurs={
-10, -3,
0x00, 0x00, 0x00, 0x00, 0x0F, 0xF0, 0x0F, 0xF0,
0x0F, 0xF0, 0x0F, 0xF0, 0x0F, 0xF0, 0x1F, 0xF0,
0x3F, 0xF0, 0x7F, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF,
0xFB, 0xFF, 0xF3, 0xFF, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xE0,
0x07, 0xE0, 0x01, 0xE0, 0x03, 0xE0, 0x07, 0x60,
0x0E, 0x60, 0x1C, 0x00, 0x38, 0x00, 0x71, 0xB6,
0x61, 0xB6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
int nwww=1;
Www *current=0;
Url *selection=0;
int logfile;
void docmd(Panel *, char *);
void doprev(Panel *, int, int);
void selurl(char *);
void setcurrent(int, char *);
char *genwww(Panel *, int);
void updtext(Www *);
void dolink(Panel *, int, Rtext *);
void hit3(int, int);
char *buttons[]={
"alt display",
"snarf url",
"paste",
"inline pix",
"fix cmap",
"save hit",
"hit list",
"exit",
0
};
void err(Display *, char *msg){
fprint(2, "err: %s (%r)\n", msg);
abort();
}
int subpanel(Panel *obj, Panel *subj){
if(obj==0) return 0;
if(obj==subj) return 1;
for(obj=obj->child;obj;obj=obj->next)
if(subpanel(obj, subj)) return 1;
return 0;
}
/*
* Make sure that the keyboard focus is on-screen, by adjusting it to
* be the cmd entry if necessary.
*/
void adjkb(void){
Rtext *t;
int yoffs;
extern Panel *pl_kbfocus; /* this is a secret panel library name */
yoffs=text->r.min.y-plgetpostextview(text);
for(t=current->text;t;t=t->next) if(!eqrect(t->r, Rect(0,0,0,0))){
if(t->r.max.y+yoffs>text->r.max.y) break;
if(t->r.min.y+yoffs>=text->r.min.y
&& t->b==0
&& subpanel(t->p, pl_kbfocus)) return;
}
plgrabkb(cmd);
}
void mkpanels(void){
Panel *p, *bar;
menu3=plmenu(0, 0, buttons, PACKN|FILLX, hit3);
root=plpopup(root, EXPAND, 0, 0, menu3);
p=plgroup(root, PACKN|FILLX);
msg=pllabel(p, PACKN|FILLX, "mothra");
plplacelabel(msg, PLACEW);
selbox=pllabel(p, PACKN|FILLX, "");
plplacelabel(selbox, PLACEW);
pllabel(p, PACKW, "command:");
cmd=plentry(p, PACKN|FILLX, 0, "", docmd);
p=plgroup(root, PACKN|FILLX);
bar=plscrollbar(p, PACKW);
list=pllist(p, PACKN|FILLX, genwww, 8, doprev);
plscroll(list, 0, bar);
p=plgroup(root, PACKN|FILLX);
pllabel(p, PACKW, "Title:");
curttl=pllabel(p, PACKE|EXPAND, "Initializing");
plplacelabel(curttl, PLACEW);
p=plgroup(root, PACKN|FILLX);
pllabel(p, PACKW, "Url:");
cururl=pllabel(p, PACKE|EXPAND, "---");
plplacelabel(cururl, PLACEW);
p=plgroup(root, PACKN|EXPAND);
bar=plscrollbar(p, PACKW);
text=pltextview(p, PACKE|EXPAND, Pt(0, 0), 0, dolink);
plscroll(text, 0, bar);
plgrabkb(cmd);
alt=plpopup(0, PACKE|EXPAND, 0, 0, menu3);
bar=plscrollbar(alt, PACKW);
alttext=pltextview(alt, PACKE|EXPAND, Pt(0, 0), 0, dolink);
plscroll(alttext, 0, bar);
}
#ifdef notyet
/* replicate (from top) value in v (n bits) until it fills a ulong */
ulong rep(ulong v, int n){
int o;
ulong rv;
rv=0;
for(o=32-n;o>=0;o-=n) rv|=v<<o;
if(o!=-n) rv|=v>>-o;
return rv;
}
int getmap(char *cmapname){
int nbit, npix;
int i, j;
if(!getcmap(cmapname, cmap)) return 0;
nbit=screen->depth;
npix=1<<nbit;
for(j=0;j!=npix;j++){
i=3*255*j/(npix-1);
map[npix-1-j].red=rep(cmap[i], 8);
map[npix-1-j].green=rep(cmap[i+1], 8);
map[npix-1-j].blue=rep(cmap[i+2], 8);
}
return 1;
}
#endif
void killcohort(void){
int i;
for(i=0;i!=3;i++){ /* It's a long way to the kitchen */
postnote(PNGROUP, getpid(), "kill\n");
sleep(1);
}
}
void dienow(void*, char*){
noted(NDFLT);
}
int mkmfile(char *stem, int mode){
char *henv;
char filename[512];
int f;
if(home[0]=='\0'){
henv=getenv("home");
if(henv){
sprint(home, "%s/lib", henv);
f=create(home, OREAD, DMDIR|0777);
if(f!=-1) close(f);
sprint(home, "%s/lib/mothra", henv);
f=create(home, OREAD, DMDIR|0777);
if(f!=-1) close(f);
}
else
strcpy(home, "/tmp");
}
sprint(filename, "%s/%s", home, stem);
f=create(filename, OWRITE, mode);
if(f==-1)
f=create(stem, OWRITE, mode);
return f;
}
void main(int argc, char *argv[]){
Event e;
enum { Eplumb = 128 };
Plumbmsg *pm;
char *url;
int errfile;
ARGBEGIN{
case 'd': debug++; break;
case 'i': inlinepix=0; break;
case 'v': verbose=1; break;
default: goto Usage;
}ARGEND
/*
* so that we can stop all subprocesses with a note,
* and to isolate rendezvous from other processes
*/
rfork(RFNOTEG|RFNAMEG|RFREND);
atexit(killcohort);
switch(argc){
default:
Usage:
fprint(2, "Usage: %s [-d] [url]\n", argv[0]);
exits("usage");
case 0:
url=getenv("url");
if(url==0 || url[0]=='\0')
url="file:/sys/lib/mothra/start.html";
break;
case 1: url=argv[0]; break;
}
errfile=mkmfile("mothra.err", 0666);
if(errfile!=-1){
dup(errfile, 2);
close(errfile);
}
logfile=mkmfile("mothra.log", 0666|DMAPPEND);
initdraw(err,0,"mothra");
memimageinit();
chrwidth=stringwidth(font, "0");
pltabsize(chrwidth, 8*chrwidth);
#ifdef notyet
if(getmap("/lib/fb/cmap/rgbv") && screen->depth==8) wrcolmap(screen, map);
#endif
einit(Emouse|Ekeyboard);
eplumb(Eplumb, "web");
etimer(0, 1000);
plinit(screen->depth);
if(debug) notify(dienow);
getfonts();
hrule=allocimage(display, Rect(0, 0, 2048, 5), screen->chan, 0, DWhite);
if(hrule==0){
fprint(2, "%s: can't allocimage!\n", argv[0]);
exits("no mem");
}
draw(hrule, Rect(0,1,1280,3), display->black, 0, ZP);
linespace=allocimage(display, Rect(0, 0, 2048, 5), screen->chan, 0, DWhite);
if(linespace==0){
fprint(2, "%s: can't allocimage!\n", argv[0]);
exits("no mem");
}
bullet=allocimage(display, Rect(0,0,25, 8), screen->chan, 0, DWhite);
fillellipse(bullet, Pt(4,4), 3, 3, display->black, ZP);
www[0].text=0;
www[0].url=&badurl;
www[0].base=&badurl;
strcpy(www[0].title, "See error message above");
plrtstr(&www[0].text, 0, 0, font, "See error message above", 0, 0);
www[0].alldone=1;
mkpanels();
eresized(0);
geturl(url, GET, 0, 1, 0);
if(logfile==-1) message("Can't open log file");
mouse.buttons=0;
for(;;){
if(mouse.buttons==0 && current){
if(current->finished){
updtext(current);
current->finished=0;
current->changed=0;
current->alldone=1;
esetcursor(0);
}
else if(current->changed){
updtext(current);
current->changed=0;
}
}
switch(event(&e)){
case Ekeyboard:
adjkb();
plkeyboard(e.kbdc);
break;
case Emouse:
mouse=e.mouse;
plmouse(root, e.mouse);
break;
case Eplumb:
pm=e.v;
if(pm->ndata > 0)
geturl(pm->data, GET, 0, 1, 0);
plumbfree(pm);
break;
}
}
}
void message(char *s, ...){
static char buf[1024];
char *out;
va_list args;
va_start(args, s);
out = buf + vsnprint(buf, sizeof(buf), s, args);
va_end(args);
*out='\0';
plinitlabel(msg, PACKN|FILLX, buf);
if(defdisplay) pldraw(msg, screen);
}
void showsel(char *s){
static char buf[1024];
char *out;
sprint(buf, "selection: %s", s);
plinitlabel(selbox, PACKN|FILLX, buf);
if(defdisplay) pldraw(selbox, screen);
}
void htmlerror(char *name, int line, char *m, ...){
static char buf[1024];
char *out;
va_list args;
if(verbose){
va_start(args, m);
out=buf+sprint(buf, "%s: line %d: ", name, line);
out+=vsnprint(out, sizeof(buf)-(out-buf)-1, m, args);
va_end(args);
*out='\0';
fprint(2, "%s\n", buf);
}
}
void eresized(int new){
Rectangle r;
if(new && getwindow(display, Refnone) == -1) {
fprint(2, "getwindow: %r\n");
exits("getwindow");
}
r=screen->r;
r=insetrect(r, 4);
message("");
plinitlabel(curttl, PACKE|EXPAND, "---");
plinitlabel(cururl, PACKE|EXPAND, "---");
plpack(root, r);
if(current){
plinitlabel(curttl, PACKE|EXPAND, current->title);
plinitlabel(cururl, PACKE|EXPAND, current->url->fullname);
}
draw(screen, r, display->white, 0, ZP);
pldraw(root, screen);
}
void *emalloc(int n){
void *v;
v=malloc(n);
if(v==0){
fprint(2, "out of space\n");
exits("no mem");
}
return v;
}
char *genwww(Panel *, int index){
static char buf[1024];
int i;
for(i=1;i!=nwww;i++) if(index==www[i].index){
sprint(buf, "%2d %s", i, www[i].title);
return buf;
}
return 0;
}
void donecurs(void){
esetcursor(current && current->alldone?0:&readingcurs);
}
/*
* selected text should be a url.
* get the document, scroll to the given tag
*/
void setcurrent(int index, char *tag){
static char buf[1024];
Www *new;
Rtext *tp;
Action *ap;
int i;
new=&www[index];
if(new==current && (tag==0 || tag[0]==0)) return;
if(current)
current->yoffs=plgetpostextview(text);
current=new;
plinitlabel(curttl, PACKE|EXPAND, current->title);
if(defdisplay) pldraw(curttl, screen);
plinitlabel(cururl, PACKE|EXPAND, current->url->fullname);
if(defdisplay) pldraw(cururl, screen);
plinittextview(text, PACKE|EXPAND, Pt(0, 0), current->text, dolink);
if(tag && tag[0]){
for(tp=current->text;tp;tp=tp->next){
ap=tp->user;
if(ap && ap->name && strcmp(ap->name, tag)==0){
current->yoffs=tp->topy;
break;
}
}
}
plsetpostextview(text, current->yoffs);
if(index!=0){
for(i=1;i!=nwww;i++) if(www[i].index<current->index) www[i].index++;
current->index=0;
plinitlist(list, PACKN|FILLX, genwww, 8, doprev);
if(defdisplay) pldraw(list, screen);
}
donecurs();
flushimage(display, 1);
}
char *arg(char *s){
do ++s; while(*s==' ' || *s=='\t');
return s;
}
void save(Url *url, char *name){
int ofd, ifd, n;
char buf[4096];
ofd=create(name, OWRITE, 0666);
if(ofd==-1){
message("save: %s: %r", name);
return;
}
esetcursor(&patientcurs);
ifd=urlopen(url, GET, 0);
donecurs();
if(ifd==-1){
message("save: %s: %r", selection->fullname);
close(ofd);
}
switch(rfork(RFNOTEG|RFFDG|RFPROC|RFNOWAIT)){
case -1:
message("Can't fork -- please wait");
esetcursor(&patientcurs);
while((n=read(ifd, buf, 4096))>0)
write(ofd, buf, n);
donecurs();
break;
case 0:
while((n=read(ifd, buf, 4096))>0)
write(ofd, buf, n);
if(n==-1) fprint(2, "save: %s: %r\n", url->fullname);
_exits(0);
}
close(ifd);
close(ofd);
}
void screendump(char *name, int full){
Image *b;
int fd;
Rectangle r;
fd=create(name, OWRITE, 0666);
if(fd==-1){
message("can't create %s", name);
return;
}
if(full) r=screen->clipr;
else r=text->r;
b=allocimage(display, rectsubpt(r, r.min), screen->chan, 0, DNofill);
if(b){
draw(b, r, screen, 0, ZP);
writeimage(fd, b, 0);
freeimage(b);
}
else
writeimage(fd, screen, 0);
close(fd);
}
/*
* user typed a command.
*/
void docmd(Panel *p, char *s){
USED(p);
while(*s==' ' || *s=='\t') s++;
/*
* Non-command does a get on the url
*/
if(s[0]!='\0' && s[1]!='\0' && s[1]!=' ')
geturl(s, GET, 0, 1, 0);
else switch(s[0]){
default:
message("Unknown command %s, type h for help", s);
break;
case '?':
case 'h':
geturl(helpfile, GET, 0, 1, 0);
break;
case 'g':
s=arg(s);
if(*s=='\0'){
if(selection)
geturl(selection->fullname, GET, 0, 1, 0);
else
message("no url selected");
}
else geturl(s, GET, 0, 1, 0);
break;
case 'r':
s = arg(s);
if(*s == '\0')
s = selection ? selection->fullname : helpfile;
geturl(s, GET, 0, 0, 0);
break;
case 'W':
s=arg(s);
if(s=='\0'){
message("Usage: W file");
break;
}
screendump(s, 1);
break;
case 'w':
s=arg(s);
if(s=='\0'){
message("Usage: w file");
break;
}
screendump(s, 0);
break;
case 's':
s=arg(s);
if(*s=='\0'){
if(selection){
s=strrchr(selection->fullname, '/');
if(s) s++;
}
if(s==0 || *s=='\0'){
message("Usage: s file");
break;
}
}
save(selection, s);
break;
case 'q':
draw(screen, screen->r, display->white, 0, ZP);
exits(0);
}
plinitentry(cmd, EXPAND, 0, "", docmd);
if(defdisplay) pldraw(cmd, screen);
}
void hiturl(int buttons, char *url, int map){
message("");
switch(buttons){
case 1: geturl(url, GET, 0, 1, map); break;
case 2: selurl(url); break;
case 4: message("Button 3 hit on url can't happen!"); break;
}
}
/*
* user selected from the list of available pages
*/
void doprev(Panel *p, int buttons, int index){
int i;
USED(p);
message("");
for(i=1;i!=nwww;i++) if(www[i].index==index){
switch(buttons){
case 1: setcurrent(i, 0); /* no break ... */
case 2: selurl(www[i].url->fullname); break;
case 4: message("Button 3 hit on page can't happen!"); break;
}
break;
}
}
/*
* Follow an html link
*/
void dolink(Panel *p, int buttons, Rtext *word){
char mapurl[512];
Action *a;
Point coord;
int yoffs;
USED(p);
a=word->user;
if(a->link){
if(a->ismap){
yoffs=plgetpostextview(p);
coord=subpt(subpt(mouse.xy, word->r.min), p->r.min);
sprint(mapurl, "%s?%d,%d", a->link, coord.x, coord.y+yoffs);
hiturl(buttons, mapurl, 1);
}
else
hiturl(buttons, a->link, 0);
}
}
void filter(char *cmd, int fd){
flushimage(display, 1);
switch(rfork(RFFDG|RFPROC|RFNOWAIT)){
case -1:
message("Can't fork!");
break;
case 0:
close(0);
dup(fd, 0);
close(fd);
execl("/bin/rc", "rc", "-c", cmd, 0);
message("Can't exec /bin/rc!");
_exits(0);
default:
break;
}
close(fd);
}
void gettext(Www *w, int fd, int type){
flushimage(display, 1);
switch(rfork(RFFDG|RFPROC|RFNOWAIT|RFMEM)){
case -1:
message("Can't fork, please wait");
if(type==HTML)
plrdhtml(w->url->fullname, fd, w);
else
plrdplain(w->url->fullname, fd, w);
break;
case 0:
if(type==HTML)
plrdhtml(w->url->fullname, fd, w);
else
plrdplain(w->url->fullname, fd, w);
_exits(0);
}
close(fd);
}
void popwin(char *cmd){
flushimage(display, 1);
switch(rfork(RFFDG|RFPROC|RFNOWAIT)){
case -1:
message("sorry, can't fork to %s", cmd);
break;
case 0:
execl("/bin/window", "window", "100 100 800 800", "rc", "-c", cmd, 0);
_exits(0);
}
}
int urlopen(Url *url, int method, char *body){
#ifdef securityHole
int pfd[2];
#endif
int fd;
Url prev;
int nredir;
Dir *dir;
nredir=0;
Again:
if(++nredir==NREDIR){
werrstr("redir loop");
return -1;
}
seek(logfile, 0, 2);
fprint(logfile, "%s\n", url->fullname);
switch(url->access){
default:
werrstr("unknown access type");
return -1;
case FTP:
url->type = suffix2type(url->reltext);
return ftp(url);
case HTTP:
fd=http(url, method, body);
if(url->type==FORWARD){
prev=*url;
crackurl(url, prev.redirname, &prev);
/*
* I'm not convinced that the following two lines are right,
* but once I got a redir loop because they were missing.
*/
method=GET;
body=0;
goto Again;
}
return fd;
case FILE:
url->type=suffix2type(url->reltext);
fd=open(url->reltext, OREAD);
if(fd!=-1){
dir=dirfstat(fd);
if(dir->mode&DMDIR){
url->type=HTML;
free(dir);
return dir2html(url->reltext, fd);
}
free(dir);
}
return fd;
case GOPHER:
return gopher(url);
#ifdef securityHole
case EXEC:
/*
* Can you say `security hole'? I knew you could.
*/
if(pipe(pfd)==-1) return -1;
switch(rfork(RFFDG|RFPROC|RFNOWAIT)){
case -1:
close(pfd[0]);
close(pfd[1]);
return -1;
case 0:
dup(pfd[1], 1);
close(pfd[0]);
close(pfd[1]);
execl("/bin/rc", "rc", "-c", url->reltext, 0);
_exits("no exec!");
default:
close(pfd[1]);
return pfd[0];
}
#endif
}
}
int uncompress(char *cmd, int fd){
int pfd[2];
if(pipe(pfd)==-1){
close(fd);
return -1;
}
switch(rfork(RFFDG|RFPROC|RFNOWAIT)){
case -1:
close(pfd[0]);
close(pfd[1]);
close(fd);
return -1;
case 0:
dup(fd, 0);
dup(pfd[1], 1);
close(pfd[0]);
close(pfd[1]);
close(fd);
execl(cmd, cmd, 0);
_exits("no exec!");
default:
close(pfd[1]);
close(fd);
return pfd[0];
}
}
/*
* select the file at the given url
*/
void selurl(char *urlname){
Url *cur;
static Url url;
if(current){
cur=current->base;
/*
* I believe that the following test should never succeed
*/
if(cur==0){
cur=current->url;
if(cur==0){
fprint(2, "bad base & url, current %d, getting %s\n",
current-www, urlname);
cur=&defurl;
}
else
fprint(2, "bad base, current %s, getting %s\n",
current->url->fullname, urlname);
}
}
else cur=&defurl;
crackurl(&url, urlname, cur);
selection=&url;
showsel(selection->fullname);
}
Url *copyurl(Url *u){
Url *v;
v=emalloc(sizeof(Url));
*v=*u;
return v;
}
/*
* get the file at the given url
*/
void geturl(char *urlname, int method, char *body, int cache, int map){
int i, fd;
char cmd[512];
int pfd[2];
selurl(urlname);
selection->map=map;
if(cache){
for(i=1;i!=nwww;i++){
if(strcmp(www[i].url->fullname, selection->fullname)==0){
setcurrent(i, selection->tag);
return;
}
}
}
message("getting %s", selection->fullname);
esetcursor(&patientcurs);
switch(selection->access){
default:
message("unknown access %d", selection->access);
break;
case TELNET:
sprint(cmd, "telnet %s", selection->reltext);
popwin(cmd);
break;
case MAILTO:
if(body){
/*
* Undocumented Mozilla feature
*/
pipe(pfd);
switch(rfork(RFFDG|RFPROC|RFNOWAIT)){
case -1:
message("Can't fork!");
break;
case 0:
close(0);
dup(pfd[1], 0);
close(pfd[1]);
close(pfd[0]);
execl("/bin/upas/send",
"sendmail", selection->reltext, 0);
message("Can't exec sendmail");
_exits(0);
default:
close(pfd[1]);
fprint(pfd[0],
"Content-type: application/x-www-form-urlencoded\n"
"Subject: Form posted from Mothra\n"
"\n"
"%s\n", body);
close(pfd[0]);
break;
}
}
else{
sprint(cmd, "mail %s", selection->reltext);
popwin(cmd);
}
break;
case FTP:
case HTTP:
case FILE:
case EXEC:
case GOPHER:
fd=urlopen(selection, method, body);
if(fd==-1){
message("%r");
setcurrent(0, 0);
break;
}
if(selection->type&COMPRESS)
fd=uncompress("/bin/uncompress", fd);
else if(selection->type&GUNZIP)
fd=uncompress("/bin/gunzip", fd);
else if(selection->type&BZIP2)
fd=uncompress("/bin/bunzip2", fd);
switch(selection->type&~COMPRESSION){
default:
message("Bad type %x in geturl", selection->type);
break;
case PLAIN:
case HTML:
if(selection->map){
if(current && current->base) /* always succeeds */
www[nwww].url=copyurl(current->base);
else{
fprint(2, "no base for map!\n");
www[nwww].url=copyurl(selection);
}
}
else
www[nwww].url=copyurl(selection);
www[nwww].index=nwww;
gettext(&www[nwww], fd, selection->type&~COMPRESSION);
nwww++;
plinitlist(list, PACKN|FILLX, genwww, 8, doprev);
if(defdisplay) pldraw(list, screen);
setcurrent(nwww-1, selection->tag);
break;
case POSTSCRIPT:
case GIF:
case JPEG:
case PNG:
case PDF:
filter("page -w", fd);
break;
case TIFF:
filter("/sys/lib/mothra/tiffview", fd);
break;
case XBM:
filter("fb/xbm2pic|fb/9v", fd);
break;
}
}
donecurs();
}
void updtext(Www *w){
Rtext *t;
Action *a;
for(t=w->text;t;t=t->next){
a=t->user;
if(a){
if(a->imagebits)
setbitmap(t);
if(a->field)
mkfieldpanel(t);
a->field=0;
}
}
w->yoffs=plgetpostextview(text);
plinittextview(text, PACKE|EXPAND, Pt(0, 0), w->text, dolink);
plsetpostextview(text, w->yoffs);
pldraw(root, screen);
}
Cursor confirmcursor={
0, 0,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x00, 0x0E, 0x07, 0x1F, 0x03, 0x17, 0x73, 0x6F,
0xFB, 0xCE, 0xDB, 0x8C, 0xDB, 0xC0, 0xFB, 0x6C,
0x77, 0xFC, 0x00, 0x00, 0x00, 0x01, 0x00, 0x03,
0x94, 0xA6, 0x63, 0x3C, 0x63, 0x18, 0x94, 0x90,
};
int confirm(int b){
Mouse down, up;
esetcursor(&confirmcursor);
do down=emouse(); while(!down.buttons);
do up=emouse(); while(up.buttons);
donecurs();
return down.buttons==(1<<(b-1));
}
void snarf(Panel *p){
int fd;
fd=create("/dev/snarf", OWRITE, 0666);
if(fd>=0){
fprint(fd, "%s", selection->fullname);
close(fd);
}
}
void paste(Panel *p){
char buf[1024];
int n, len, fd;
fd=open("/dev/snarf", OREAD);
strcpy(buf, plentryval(p));
len=strlen(buf);
n=read(fd, buf+len, 1023-len);
if(n>0){
buf[len+n]='\0';
plinitentry(cmd, PACKE|EXPAND, 0, buf, docmd);
pldraw(cmd, screen);
}
close(fd);
}
void hit3(int button, int item){
char name[100], *home;
Panel *swap;
int fd;
USED(button);
message("");
switch(item){
case 0:
swap=root;
root=alt;
alt=swap;
current->yoffs=plgetpostextview(text);
swap=text;
text=alttext;
alttext=swap;
defdisplay=!defdisplay;
plpack(root, screen->r);
plinittextview(text, PACKE|EXPAND, Pt(0, 0), current->text, dolink);
plsetpostextview(text, current->yoffs);
pldraw(root, screen);
break;
case 1:
snarf(cmd);
break;
case 2:
paste(cmd);
break;
case 3:
inlinepix=!inlinepix;
break;
case 4:
#ifdef notyet
if(screen->depth==8) wrcolmap(screen, map);
#endif
break;
case 5:
home=getenv("home");
if(home==0){
message("no $home");
return;
}
sprint(name, "%s/lib/mothra/hit.html", home);
fd=open(name, OWRITE);
if(fd==-1){
fd=create(name, OWRITE, 0666);
if(fd==-1){
message("can't open %s", name);
return;
}
fprint(fd, "<head><title>Hit List</title></head>\n");
fprint(fd, "<body><h1>Hit list</h1>\n");
}
seek(fd, 0, 2);
fprint(fd, "<p><a href=\"%s\">%s</a>\n",
selection->fullname, selection->fullname);
close(fd);
break;
case 6:
home=getenv("home");
if(home==0){
message("no $home");
return;
}
sprint(name, "file:%s/lib/mothra/hit.html", home);
geturl(name, GET, 0, 1, 0);
break;
case 7:
if(confirm(3)){
draw(screen, screen->r, display->white, 0, ZP);
exits(0);
}
break;
}
}
|
