ref: 31e135f4db7f25c92d2dcb78fcd1df04c49d24e5
dir: /pager.c/
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <mouse.h>
#include <keyboard.h>
#include <thread.h>
#include <plumb.h>
#include "theme.h"
#include "kbd.h"
#include "a.h"
#include "w.h"
enum
{
Padding = 4,
};
typedef struct Handler Handler;
struct Handler
{
char *type;
char *fmt;
char *dst;
} handlers[] = {
"text/html", "file://%s/body.html", "web",
"image/png", "%s/body.png", "image",
"image/x-png", "%s/body.png", "image",
"image/jpeg", "%s/body.jpg", "image",
"image/jpg", "%s/body.jpg", "image",
"image/gif", "%s/body.gif", "image",
"image/bmp", "%s/body.bmp", "image",
"image/tiff", "%s/body.tiff", "image",
"image/p9bit", "%s/body", "image",
"application/pdf", "%s/body.pdf", "postscript",
"application/postscript", "%s/body.ps", "postscript",
};
static Mousectl *mc;
static Kbdctl *kc;
static Text text;
static Rectangle viewr;
static Rectangle headr;
static Rectangle partsr;
static Rectangle textr;
static Image *cols[NCOLS];
static Image *headercol;
static Message *mesg;
static Tzone *tz;
static int showcc;
static Message *parts[16];
static int nparts;
char*
findtextpart(Message *m)
{
Message *p;
int i;
if(strncmp(m->type, "multipart/", 10) == 0){
for(i = 0; i < m->parts->nelts; i++){
p = m->parts->elts[i];
if(strcmp(p->type, "text/plain") == 0)
return p->body;
else if(strncmp(p->type, "multipart/", 10) == 0)
return findtextpart(p);
}
}
return m->body;
}
void
collectparts(Message *m)
{
Message *p;
int i;
if(m->parts == nil)
return;
for(i = 0; i < m->parts->nelts; i++){
p = m->parts->elts[i];
if(strncmp(p->type, "multipart/", 10) == 0)
collectparts(p);
else{
if(strcmp(p->type, "text/plain") == 0 && strncmp(p->disposition, "file", 4) != 0)
continue;
parts[nparts++] = p;
}
}
}
void
pagershow(Message *m)
{
char *body;
int needresize;
int oldnparts;
oldnparts = nparts;
needresize = 0;
mesg = m;
if(showcc){
if(mesg->cc == nil || mesg->cc[0] == 0){
showcc = 0;
needresize = 1;
}
}else{
if(mesg->cc != nil && mesg->cc[0] != 0){
showcc = 1;
needresize = 1;
}
}
mesgloadbody(mesg);
nparts = 0;
collectparts(mesg);
if(nparts != oldnparts)
needresize = 1;
if(needresize)
pagerresize(viewr);
body = findtextpart(mesg);
textset(&text, body, strlen(body));
pagerdraw();
}
static
Point
drawheader(Point p, char *h, char *s)
{
Rune r;
p = string(screen, p, cols[BORD], ZP, font, h);
while(s && *s){
s += chartorune(&r, s);
p = runestringn(screen, p, cols[TEXT], ZP, font, &r, 1);
}
return p;
}
Point
drawparts(Point p)
{
Point q;
int i;
for(i = 0; i < nparts; i++){
// q = string(screen, p, cols[TEXT], ZP, font, "=> ");
q = p;
if(parts[i]->filename != nil && parts[i]->filename[0] != 0)
q = string(screen, q, cols[TEXT], ZP, font, parts[i]->filename);
else
q = string(screen, q, cols[TEXT], ZP, font, "<no description>");
q = string(screen, q, cols[BORD], ZP, font, " [");
q = string(screen, q, cols[BORD], ZP, font, parts[i]->type);
string(screen, q, cols[BORD], ZP, font, "]");
p.y += font->height + Padding;
}
return p;
}
void
pagerdraw(void)
{
Point p, q;
char buf[32], *s;
Rune r;
Tm t;
int w;
draw(screen, viewr, cols[BACK], nil, ZP);
if(mesg != nil){
p = addpt(headr.min, Pt(Padding, Padding));
tmtime(&t, mesg->time, tz);
snprint(buf, sizeof buf, "%τ", tmfmt(&t, "DD/MM/YYYY hh:mm"));
w = stringwidth(font, buf);
string(screen, addpt(p, Pt(Dx(headr) - w - 2*Padding, 0)), cols[TEXT], ZP, font, buf);
q = drawheader(p, " From ", mesg->sender);
if(strcmp(mesg->sender, mesg->from) != 0){
q = string(screen, q, cols[TEXT], ZP, font, " <");
s = mesg->from;
while(s && *s){
s += chartorune(&r, s);
q = runestringn(screen, q, cols[TEXT], ZP, font, &r, 1);
}
string(screen, q, cols[TEXT], ZP, font, ">");
}
p.y += font->height + Padding;
drawheader(p, " To ", mesg->to);
if(showcc){
p.y += font->height + Padding;
drawheader(p, " Cc ", mesg->cc);
}
p.y += font->height + Padding;
drawheader(p, "Subject ", mesg->subject);
}
line(screen, addpt(headr.min, Pt(0, Dy(headr))), headr.max, 0, 0, 0, headercol, ZP);
if(nparts > 0){
p = addpt(partsr.min, Pt(Padding, Padding));
drawparts(p);
line(screen, addpt(partsr.min, Pt(0, Dy(partsr))), partsr.max, 0, 0, 0, headercol, ZP);
}
textdraw(&text);
}
void
pagerresize(Rectangle r)
{
int n;
n = showcc ? 4 : 3;
viewr = r;
headr = viewr;
headr.max.y = headr.min.y + Padding + n*(font->height + Padding);
if(nparts > 0){
partsr = viewr;
partsr.min.y = headr.max.y + 1;
partsr.max.y = partsr.min.y + nparts*(font->height + Padding) + Padding;
}
textr = viewr;
if(nparts > 0)
textr.min.y = partsr.max.y + 1;
else
textr.min.y = headr.max.y + 1;
textresize(&text, textr);
}
void
savepart(Message *m)
{
char name[255] = {0}, iname[255] = {0}, buf[1024] = {0};
int ifd, fd, n;
snprint(name, sizeof name, "%s", m->filename);
n = kbdenter("Save as:", name, sizeof name, mc, kc, nil);
if(n <= 0)
return;
fd = create(name, OWRITE, 0644);
if(fd < 0){
fprint(2, "unable to save part as '%s': %r", name); /* FIXME */
return;
}
snprint(iname, sizeof iname, "%s/body", m->path);
ifd = open(iname, OREAD);
if(ifd < 0){
close(fd);
fprint(2, "unable to open part file '%s': %r", iname); /* FIXME */
return;
}
for(;;){
n = read(ifd, buf, sizeof buf);
if(n <= 0)
break;
write(fd, buf, n);
}
close(ifd);
close(fd);
}
void
plumbpart(Message *m)
{
char buf[1024] = {0};
int fd, n;
fd = plumbopen("send", OWRITE);
if(fd < 0)
return;
for(n = 0; n < nelem(handlers); n++){
if(strcmp(m->type, handlers[n].type) == 0){
snprint(buf, sizeof buf, handlers[n].fmt, m->path);
plumbsendtext(fd, "mongrel", handlers[n].dst, nil, buf);
close(fd);
return;
}
}
snprint(buf, sizeof buf, "%s/body", m->path);
plumbsendtext(fd, "mongrel", nil, nil, buf);
close(fd);
}
void
partclick(Mouse m)
{
enum { Mpsave, Mpplumb };
char *menustr[] = { "save", "plumb", nil };
Menu menu = { menustr };
int n, i;
n = (m.xy.y - partsr.min.y) / (font->height+Padding);
if(n < 0 || n >= nparts)
return;
if(m.buttons == 2){
i = menuhit(2, mc, &menu, nil);
switch(i){
case Mpsave:
savepart(parts[n]);
break;
case Mpplumb:
plumbpart(parts[n]);
break;
}
}else if(m.buttons == 4)
plumbpart(parts[n]);
}
void
pagermouse(Mouse m)
{
if(!ptinrect(m.xy, viewr))
return;
if(nparts > 0 && ptinrect(m.xy, partsr))
partclick(m);
else if(ptinrect(m.xy, textr))
textmouse(&text, mc);
}
void
pagerkey(Rune k)
{
textkeyboard(&text, k);
}
void
pagerinit(Mousectl *mctl, Kbdctl *kctl, Theme *theme)
{
Rectangle r;
mc = mctl;
kc = kctl;
tz = tzload("local");
showcc = 0;
nparts = 0;
if(theme != nil){
cols[BACK] = theme->back;
cols[BORD] = theme->border;
cols[TEXT] = theme->text;
cols[HTEXT] = theme->htext;
cols[HIGH] = theme->high;
headercol = theme->title;
}else{
r = Rect(0, 0, 1, 1);
cols[BACK] = display->white;
cols[BORD] = allocimage(display, r, screen->chan, 1, 0x999999FF);
cols[TEXT] = allocimage(display, r, screen->chan, 1, 0x000000FF);
cols[HTEXT] = allocimage(display, r, screen->chan, 1, 0x000000FF);
cols[HIGH] = allocimage(display, r, screen->chan, 1, 0xCCCCCCFF);
headercol = allocimage(display, r, screen->chan, 1, DGreygreen);
}
textinit(&text, screen, screen->r, font, cols);
}