ref: f21361177f037d79ab8993818e49d474b0b97351
dir: /dirpanel.c/
#include "a.h"
void
datestr(char *buf, ulong bufsz, long dt)
{
char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
Tm *tm;
tm = localtime(dt);
snprint(buf, bufsz, "%s %02d %02d:%02d", months[tm->mon], tm->mday, tm->hour, tm->min);
}
Dirpanel*
mkdirpanel(Dirmodel *dm)
{
Dirpanel *dp;
dp = emalloc(sizeof *dp);
dp->c = chancreate(sizeof(ulong), 1);
dp->b = nil;
dp->model = dm;
dp->focused = 0;
dp->offset = 0;
dp->cursor = 0;
return dp;
}
void
dirpanelsetrect(Dirpanel *p, Rectangle r)
{
p->r = r;
freeimage(p->b);
p->b = nil;
p->intr = insetrect(boundsrect(r), 2);
p->titler = p->intr;
p->titler.max.y = p->titler.min.y + 2 + font->height + 2;
p->filesr = p->intr;
p->filesr.min.y = p->titler.max.y;
p->filesr.max.y -= 1;
p->nlines = Dy(p->filesr) / (font->height + 2);
}
void
drawfname(Dirpanel *p, Point pt, Image *f, char *t, int xmax)
{
char *s;
Rune r;
int i;
s = t;
for(i = 0; *s && i < 2; i++){
s += chartorune(&r, s);
pt = runestringn(p->b, pt, f, ZP, font, &r, 1);
}
if(*s && (pt.x + stringwidth(font, s) > xmax)){
chartorune(&r, "~");
pt = runestringn(p->b, pt, f, ZP, font, &r, 1);
while(*s && (pt.x + stringwidth(font, s) > xmax))
++s;
}
while(*s){
s += chartorune(&r, s);
pt = runestringn(p->b, pt, f, ZP, font, &r, 1);
}
}
void
drawline(Dirpanel *p, int index)
{
Rectangle r;
Image *b, *f;
Point pr, pt;
char buf[32];
Dir d;
d = dirmodelgetdir(p->model, p->offset + index);
r = p->filesr;
r.min.x += 2;
r.min.y += index * (1 + font->height + 1);
r.max.x -= 2;
r.max.y = r.min.y + 1 + font->height + 1;
b = cols[Cbg];
if(index == p->cursor && p->focused)
b = cols[Csel];
f = cols[Cfg];
if(p->model->sel[p->offset + index])
f = cols[Ctitle];
else if(!p->focused)
f = cols[Clfg];
draw(p->b, r, b, nil, ZP);
pt = addpt(r.min, Pt(4, 1));
pt = string(p->b, pt, f, ZP, font, (d.qid.type&QTDIR) ? "/" : " ");
drawfname(p, pt, f, d.name, p->colw[0] - 4);
pt.x = p->filesr.min.x + p->colw[0] + 4;
snprint(buf, sizeof buf, "%*lld", 6, d.length);
string(p->b, pt, f, ZP, font, buf);
pt.x = p->filesr.max.x - p->colw[2] + 4;
datestr(buf, sizeof buf, d.mtime);
string(p->b, pt, f, ZP, font, buf);
pr = addpt(r.min, Pt(p->colw[0] - 2, 0));
pt = addpt(r.min, Pt(p->colw[0] - 2, Dy(r) + 1));
line(p->b, pr, pt, 0, 0, 0, cols[Cborder], ZP);
pr = addpt(pr, Pt(p->colw[1], 0));
pt = addpt(pt, Pt(p->colw[1], 0));
line(p->b, pr, pt, 0, 0, 0, cols[Cborder], ZP);
}
int
sizecolwidth(Dirpanel *p)
{
vlong m;
int i, n;
Dir d;
m = 1;
for(i = 0; i < dirmodelcount(p->model); i++){
d = dirmodelgetdir(p->model, i);
if(d.length > m)
m = d.length;
}
n = 6;
if(m != 0) n = 1 + log(m)/log(10);
if(n < 6) n = 6;
return n * stringwidth(font, "0");
}
void
dirpanelredraw(Dirpanel *p)
{
Rectangle r, clipr, ir;
Point pr, pt;
Image *b;
int i;
p->colw[2] = 4 + stringwidth(font, "XXX 99 99:99") + 4;
p->colw[1] = 4 + sizecolwidth(p) + 4;
p->colw[0] = Dx(p->filesr) - (p->colw[1] + p->colw[2]);
r = boundsrect(p->r);
if(p->b == nil)
p->b = allocimage(display, r, screen->chan, 0, DNofill);
draw(p->b, r, cols[Cbg], nil, ZP);
b = p->focused ? cols[Ctitle] : cols[Cborder];
ir = insetrect(r, 2);
border(p->b, ir, 2, b, ZP);
pt = string(p->b, addpt(ir.min, Pt(4, 2)), p->focused ? cols[Cfg] : cols[Clfg], ZP, font, p->model->path);
if(p->model->filter != nil){
pt = string(p->b, pt, cols[Clfg], ZP, font, " [");
pt = string(p->b, pt, cols[Cfg], ZP, font, p->model->filter);
pt = string(p->b, pt, cols[Clfg], ZP, font, "]");
}
pr = Pt(0, ir.min.y + 2 + font->height + 2);
line(p->b, addpt(pr, Pt(ir.min.x, 0)), addpt(pr, Pt(ir.max.x, 0)), 0, 0, 1, b, ZP);
pt = addpt(p->filesr.min, Pt(4, 1));
clipr = p->b->clipr;
replclipr(p->b, 0, p->filesr);
for(i = 0; ; i++){
if(i >= p->nlines || (p->offset + i) >= dirmodelcount(p->model))
break;
drawline(p, i);
}
replclipr(p->b, 0, clipr);
pr = addpt(p->filesr.min, Pt(p->colw[0], 1));
pt = addpt(p->filesr.min, Pt(p->colw[0], Dy(p->filesr) - 1));
line(p->b, pr, pt, 0, 0, 0, cols[Cborder], ZP);
pr = addpt(pr, Pt(p->colw[1], 0));
pt = addpt(pt, Pt(p->colw[1], 0));
line(p->b, pr, pt, 0, 0, 0, cols[Cborder], ZP);
}
void
dirpanelredrawnotify(Dirpanel *p)
{
dirpanelredraw(p);
sendul(p->c, 1);
}
void
dirpanelemouse(Dirpanel *p, Mouse m)
{
Point pt;
int n;
pt = subpt(m.xy, screen->r.min);
if(!ptinrect(pt, p->filesr))
return;
if(m.buttons == 1){
n = (pt.y - p->filesr.min.y) / (font->height+2);
if(n != p->cursor && n < p->nlines){
p->cursor = n;
dirpanelredrawnotify(p);
}
}else if(m.buttons == 4){
n = (pt.y - p->filesr.min.y) / (font->height+2);
if(n < p->nlines){
p->cursor = n;
cmdview(); /* ugly hack */
}
}
}
void
dirpanelresetcursor(Dirpanel *p)
{
p->cursor = 0;
p->offset = 0;
}
int
dirpanelselectedindex(Dirpanel *p)
{
return p->offset + p->cursor;
}