ref: fb7dd4b3a868cb8987049c95bb32e6425a73c8b9
dir: /appl/acme/wind.b/
implement Windowm;
include "common.m";
sys : Sys;
utils : Utils;
drawm : Draw;
graph : Graph;
gui : Gui;
dat : Dat;
bufferm : Bufferm;
textm : Textm;
filem : Filem;
look : Look;
scrl : Scroll;
acme : Acme;
sprint : import sys;
FALSE, TRUE, XXX, Astring : import Dat;
Reffont, reffont, Lock, Ref, button, modbutton : import dat;
Point, Rect, Image : import drawm;
min, max, error, warning, stralloc, strfree : import utils;
font, draw : import graph;
black, white, mainwin : import gui;
Buffer : import bufferm;
Body, Text, Tag : import textm;
File : import filem;
Xfid : import Xfidm;
scrdraw : import scrl;
tagcols, textcols : import acme;
BORD : import Framem;
init(mods : ref Dat->Mods)
{
sys = mods.sys;
dat = mods.dat;
utils = mods.utils;
drawm = mods.draw;
graph = mods.graph;
gui = mods.gui;
textm = mods.textm;
filem = mods.filem;
bufferm = mods.bufferm;
look = mods.look;
scrl = mods.scroll;
acme = mods.acme;
}
winid : int;
nullwin : Window;
Window.init(w : self ref Window, clone : ref Window, r : Rect)
{
r1, br : Rect;
f : ref File;
rf : ref Reffont;
rp : ref Astring;
nc : int;
dummy : ref File = nil;
c := w.col;
*w = nullwin;
w.col = c;
w.nopen = array[Dat->QMAX] of byte;
for (i := 0; i < Dat->QMAX; i++)
w.nopen[i] = byte 0;
w.qlock = Lock.init();
w.ctllock = Lock.init();
w.refx = Ref.init();
w.tag = textm->newtext();
w.tag.w = w;
w.body = textm->newtext();
w.body.w = w;
w.id = ++winid;
w.refx.inc();
w.ctlfid = ~0;
w.utflastqid = -1;
r1 = r;
r1.max.y = r1.min.y + font.height;
reffont.r.inc();
f = dummy.addtext(w.tag);
w.tag.init(f, r1, reffont, tagcols);
w.tag.what = Tag;
# tag is a copy of the contents, not a tracked image
if(clone != nil){
w.tag.delete(0, w.tag.file.buf.nc, TRUE);
nc = clone.tag.file.buf.nc;
rp = utils->stralloc(nc);
clone.tag.file.buf.read(0, rp, 0, nc);
w.tag.insert(0, rp.s, nc, TRUE, 0);
utils->strfree(rp);
rp = nil;
w.tag.file.reset();
w.tag.setselect(nc, nc);
}
r1 = r;
r1.min.y += font.height + 1;
if(r1.max.y < r1.min.y)
r1.max.y = r1.min.y;
f = nil;
if(clone != nil){
f = clone.body.file;
w.body.org = clone.body.org;
w.isscratch = clone.isscratch;
rf = Reffont.get(FALSE, FALSE, FALSE, clone.body.reffont.f.name);
}else
rf = Reffont.get(FALSE, FALSE, FALSE, nil);
f = f.addtext(w.body);
w.body.what = Body;
w.body.init(f, r1, rf, textcols);
r1.min.y -= 1;
r1.max.y = r1.min.y+1;
draw(mainwin, r1, tagcols[BORD], nil, (0, 0));
scrdraw(w.body);
w.r = r;
w.r.max.y = w.body.frame.r.max.y;
br.min = w.tag.scrollr.min;
br.max.x = br.min.x + button.r.dx();
br.max.y = br.min.y + button.r.dy();
draw(mainwin, br, button, nil, button.r.min);
w.filemenu = TRUE;
w.maxlines = w.body.frame.maxlines;
if(clone != nil){
w.dirty = clone.dirty;
w.body.setselect(clone.body.q0, clone.body.q1);
w.settag();
}
}
Window.reshape(w : self ref Window, r : Rect, safe : int) : int
{
r1, br : Rect;
y : int;
b : ref Image;
r1 = r;
r1.max.y = r1.min.y + font.height;
y = r1.max.y;
if(!safe || !w.tag.frame.r.eq(r1)){
y = w.tag.reshape(r1);
b = button;
if(w.body.file.mod && !w.isdir && !w.isscratch)
b = modbutton;
br.min = w.tag.scrollr.min;
br.max.x = br.min.x + b.r.dx();
br.max.y = br.min.y + b.r.dy();
draw(mainwin, br, b, nil, b.r.min);
}
if(!safe || !w.body.frame.r.eq(r1)){
if(y+1+font.height > r.max.y){ # no body
r1.min.y = y;
r1.max.y = y;
w.body.reshape(r1);
w.r = r;
w.r.max.y = y;
return y;
}
r1 = r;
r1.min.y = y;
r1.max.y = y + 1;
draw(mainwin, r1, tagcols[BORD], nil, (0, 0));
r1.min.y = y + 1;
r1.max.y = r.max.y;
y = w.body.reshape(r1);
w.r = r;
w.r.max.y = y;
scrdraw(w.body);
}
w.maxlines = min(w.body.frame.nlines, max(w.maxlines, w.body.frame.maxlines));
return w.r.max.y;
}
Window.lock1(w : self ref Window, owner : int)
{
w.refx.inc();
w.qlock.lock();
w.owner = owner;
}
Window.lock(w : self ref Window, owner : int)
{
i : int;
f : ref File;
f = w.body.file;
for(i=0; i<f.ntext; i++)
f.text[i].w.lock1(owner);
}
Window.unlock(w : self ref Window)
{
f := w.body.file;
#
# subtle: loop runs backwards to avoid tripping over
# winclose indirectly editing f.text and freeing f
# on the last iteration of the loop
#
for(i:=f.ntext-1; i>=0; i--){
w = f.text[i].w;
w.owner = 0;
w.qlock.unlock();
w.close();
}
}
Window.mousebut(w : self ref Window)
{
graph->cursorset(w.tag.scrollr.min.add(w.tag.scrollr.max).div(2));
}
Window.dirfree(w : self ref Window)
{
i : int;
dl : ref Dat->Dirlist;
if(w.isdir){
for(i=0; i<w.ndl; i++){
dl = w.dlp[i];
dl.r = nil;
dl = nil;
}
}
w.dlp = nil;
w.ndl = 0;
}
Window.close(w : self ref Window)
{
i : int;
if(w.refx.dec() == 0){
w.dirfree();
w.tag.close();
w.body.close();
if(dat->activewin == w)
dat->activewin = nil;
for(i=0; i<w.nincl; i++)
w.incl[i] = nil;
w.incl = nil;
w.events = nil;
w = nil;
}
}
Window.delete(w : self ref Window)
{
x : ref Xfid;
x = w.eventx;
if(x != nil){
w.nevents = 0;
w.events = nil;
w.eventx = nil;
x.c <-= Xfidm->Xnil;
}
}
Window.undo(w : self ref Window, isundo : int)
{
body : ref Text;
i : int;
f : ref File;
v : ref Window;
if(w==nil)
return;
w.utflastqid = -1;
body = w.body;
(body.q0, body.q1) = body.file.undo(isundo, body.q0, body.q1);
body.show(body.q0, body.q1, TRUE);
f = body.file;
for(i=0; i<f.ntext; i++){
v = f.text[i].w;
v.dirty = (f.seq != v.putseq);
if(v != w){
v.body.q0 = v.body.frame.p0+v.body.org;
v.body.q1 = v.body.frame.p1+v.body.org;
}
}
w.settag();
}
Window.setname(w : self ref Window, name : string, n : int)
{
t : ref Text;
v : ref Window;
i : int;
t = w.body;
if(t.file.name == name)
return;
w.isscratch = FALSE;
if(n>=6 && name[n-6:n] == "/guide")
w.isscratch = TRUE;
else if(n>=7 && name[n-7:n] == "+Errors")
w.isscratch = TRUE;
t.file.setname(name, n);
for(i=0; i<t.file.ntext; i++){
v = t.file.text[i].w;
v.settag();
v.isscratch = w.isscratch;
}
}
Window.typex(w : self ref Window, t : ref Text, r : int)
{
i : int;
t.typex(r, w.echomode);
if(t.what == Body)
for(i=0; i<t.file.ntext; i++)
scrdraw(t.file.text[i]);
w.settag();
}
Window.cleartag(w : self ref Window)
{
i, n : int;
r : ref Astring;
# w must be committed
n = w.tag.file.buf.nc;
r = utils->stralloc(n);
w.tag.file.buf.read(0, r, 0, n);
for(i=0; i<n; i++)
if(r.s[i]==' ' || r.s[i]=='\t')
break;
for(; i<n; i++)
if(r.s[i] == '|')
break;
if(i == n)
return;
i++;
w.tag.delete(i, n, TRUE);
utils->strfree(r);
r = nil;
w.tag.file.mod = FALSE;
if(w.tag.q0 > i)
w.tag.q0 = i;
if(w.tag.q1 > i)
w.tag.q1 = i;
w.tag.setselect(w.tag.q0, w.tag.q1);
}
Window.settag(w : self ref Window)
{
i : int;
f : ref File;
f = w.body.file;
for(i=0; i<f.ntext; i++){
v := f.text[i].w;
if(v.col.safe || v.body.frame.maxlines>0)
v.settag1();
}
}
Window.settag1(w : self ref Window)
{
ii, j, k, n, bar, dirty : int;
old : ref Astring;
new : string;
r : int;
b : ref Image;
q0, q1 : int;
br : Rect;
if(w.tag.ncache!=0 || w.tag.file.mod)
w.commit(w.tag); # check file name; also can now modify tag
old = utils->stralloc(w.tag.file.buf.nc);
w.tag.file.buf.read(0, old, 0, w.tag.file.buf.nc);
for(ii=0; ii<w.tag.file.buf.nc; ii++)
if(old.s[ii]==' ' || old.s[ii]=='\t')
break;
if(old.s[0:ii] != w.body.file.name){
w.tag.delete(0, ii, TRUE);
w.tag.insert(0, w.body.file.name, len w.body.file.name, TRUE, 0);
strfree(old);
old = nil;
old = utils->stralloc(w.tag.file.buf.nc);
w.tag.file.buf.read(0, old, 0, w.tag.file.buf.nc);
}
new = w.body.file.name + " Del Snarf";
if(w.filemenu){
if(w.body.file.delta.nc>0 || w.body.ncache)
new += " Undo";
if(w.body.file.epsilon.nc > 0)
new += " Redo";
dirty = w.body.file.name != nil && (w.body.ncache || w.body.file.seq!=w.putseq);
if(!w.isdir && dirty)
new += " Put";
}
if(w.isdir)
new += " Get";
l := len w.body.file.name;
if(l >= 2 && w.body.file.name[l-2: ] == ".b")
new += " Limbo";
new += " |";
r = utils->strchr(old.s, '|');
if(r >= 0)
k = r+1;
else{
k = w.tag.file.buf.nc;
if(w.body.file.seq == 0)
new += " Look ";
}
if(new != old.s[0:k]){
n = k;
if(n > len new)
n = len new;
for(j=0; j<n; j++)
if(old.s[j] != new[j])
break;
q0 = w.tag.q0;
q1 = w.tag.q1;
w.tag.delete(j, k, TRUE);
w.tag.insert(j, new[j:], len new - j, TRUE, 0);
# try to preserve user selection
r = utils->strchr(old.s, '|');
if(r >= 0){
bar = r;
if(q0 > bar){
bar = utils->strchr(new, '|')-bar;
w.tag.q0 = q0+bar;
w.tag.q1 = q1+bar;
}
}
}
strfree(old);
old = nil;
new = nil;
w.tag.file.mod = FALSE;
n = w.tag.file.buf.nc+w.tag.ncache;
if(w.tag.q0 > n)
w.tag.q0 = n;
if(w.tag.q1 > n)
w.tag.q1 = n;
w.tag.setselect(w.tag.q0, w.tag.q1);
b = button;
if(!w.isdir && !w.isscratch && (w.body.file.mod || w.body.ncache))
b = modbutton;
br.min = w.tag.scrollr.min;
br.max.x = br.min.x + b.r.dx();
br.max.y = br.min.y + b.r.dy();
draw(mainwin, br, b, nil, b.r.min);
}
Window.commit(w : self ref Window, t : ref Text)
{
r : ref Astring;
i : int;
f : ref File;
t.commit(TRUE);
f = t.file;
if(f.ntext > 1)
for(i=0; i<f.ntext; i++)
f.text[i].commit(FALSE); # no-op for t
if(t.what == Body)
return;
r = utils->stralloc(w.tag.file.buf.nc);
w.tag.file.buf.read(0, r, 0, w.tag.file.buf.nc);
for(i=0; i<w.tag.file.buf.nc; i++)
if(r.s[i]==' ' || r.s[i]=='\t')
break;
if(r.s[0:i] != w.body.file.name){
dat->seq++;
w.body.file.mark();
w.body.file.mod = TRUE;
w.dirty = TRUE;
w.setname(r.s, i);
w.settag();
}
utils->strfree(r);
r = nil;
}
Window.addincl(w : self ref Window, r : string, n : int)
{
{
(ok, d) := sys->stat(r);
if(ok < 0){
if(r[0] == '/')
raise "e";
(r, n) = look->dirname(w.body, r, n);
(ok, d) = sys->stat(r);
if(ok < 0)
raise "e";
}
if((d.mode&Sys->DMDIR) == 0){
warning(nil, sprint("%s: not a directory\n", r));
r = nil;
return;
}
w.nincl++;
owi := w.incl;
w.incl = array[w.nincl] of string;
w.incl[1:] = owi[0:w.nincl-1];
owi = nil;
w.incl[0] = r;
r = nil;
}
exception{
* =>
warning(nil, sprint("%s: %r\n", r));
r = nil;
}
}
Window.clean(w : self ref Window, conservative : int, exiting : int) : int # as it stands, conservative is always TRUE
{
if(w.isscratch || w.isdir) # don't whine if it's a guide file, error window, etc.
return TRUE;
if((!conservative||exiting) && w.nopen[Dat->QWevent]>byte 0)
return TRUE;
if(w.dirty){
if(w.body.file.name != nil)
warning(nil, sprint("%s modified\n", w.body.file.name));
else{
if(w.body.file.buf.nc < 100) # don't whine if it's too small
return TRUE;
warning(nil, "unnamed file modified\n");
}
w.dirty = FALSE;
return FALSE;
}
return TRUE;
}
Window.ctlprint(w : self ref Window, fonts : int) : string
{
s := sprint("%11d %11d %11d %11d %11d ", w.id, w.tag.file.buf.nc,
w.body.file.buf.nc, w.isdir, w.dirty);
if(fonts)
return sprint("%s%11d %q %11d ", s, w.body.frame.r.dx(),
w.body.reffont.f.name, w.body.frame.maxtab);
return s;
}
Window.event(w : self ref Window, fmt : string)
{
n : int;
x : ref Xfid;
if(w.nopen[Dat->QWevent] == byte 0)
return;
if(w.owner == 0)
error("no window owner");
n = len fmt;
w.events[len w.events] = w.owner;
w.events += fmt;
w.nevents += n+1;
x = w.eventx;
if(x != nil){
w.eventx = nil;
x.c <-= Xfidm->Xnil;
}
}