ref: 3efb5bbb4061056e523858b134c555949591efe2
dir: /appl/acme/col.b/
implement Columnm;
include "common.m";
sys : Sys;
utils : Utils;
drawm : Draw;
acme : Acme;
graph : Graph;
gui : Gui;
dat : Dat;
textm : Textm;
rowm : Rowm;
filem : Filem;
windowm : Windowm;
FALSE, TRUE, XXX : import Dat;
Border : import Dat;
mouse, colbutton : import dat;
Point, Rect, Image : import drawm;
draw : import graph;
min, max, abs, error, clearmouse : import utils;
black, white, mainwin : import gui;
Text : import textm;
Row : import rowm;
Window : import windowm;
File : import filem;
Columntag : import Textm;
BACK : import Framem;
tagcols, textcols : import acme;
init(mods : ref Dat->Mods)
{
sys = mods.sys;
dat = mods.dat;
utils = mods.utils;
drawm = mods.draw;
acme = mods.acme;
graph = mods.graph;
gui = mods.gui;
textm = mods.textm;
rowm = mods.rowm;
filem = mods.filem;
windowm = mods.windowm;
}
Column.init(c : self ref Column, r : Rect)
{
r1 : Rect;
t : ref Text;
dummy : ref File = nil;
draw(mainwin, r, white, nil, (0, 0));
c.r = r;
c.row = nil;
c.w = nil;
c.nw = 0;
c.tag = textm->newtext();
t = c.tag;
t.w = nil;
t.col = c;
r1 = r;
r1.max.y = r1.min.y + (graph->font).height;
t.init(dummy.addtext(t), r1, dat->reffont, tagcols);
t.what = Columntag;
r1.min.y = r1.max.y;
r1.max.y += Border;
draw(mainwin, r1, black, nil, (0, 0));
t.insert(0, "New Cut Paste Snarf Sort Zerox Delcol ", 38, TRUE, 0);
t.setselect(t.file.buf.nc, t.file.buf.nc);
draw(mainwin, t.scrollr, colbutton, nil, colbutton.r.min);
c.safe = TRUE;
}
Column.add(c : self ref Column, w : ref Window, clone : ref Window, y : int) : ref Window
{
r, r1 : Rect;
v : ref Window;
i, t : int;
v = nil;
r = c.r;
r.min.y = c.tag.frame.r.max.y+Border;
if(y<r.min.y && c.nw>0){ # steal half of last window by default
v = c.w[c.nw-1];
y = v.body.frame.r.min.y+v.body.frame.r.dy()/2;
}
# look for window we'll land on
for(i=0; i<c.nw; i++){
v = c.w[i];
if(y < v.r.max.y)
break;
}
if(c.nw > 0){
if(i < c.nw)
i++; # new window will go after v
#
# if v's too small, grow it first.
#
if(!c.safe || v.body.frame.maxlines<=3){
c.grow(v, 1, 1);
y = v.body.frame.r.min.y+v.body.frame.r.dy()/2;
}
r = v.r;
if(i == c.nw)
t = c.r.max.y;
else
t = c.w[i].r.min.y-Border;
r.max.y = t;
draw(mainwin, r, textcols[BACK], nil, (0, 0));
r1 = r;
y = min(y, t-(v.tag.frame.font.height+v.body.frame.font.height+Border+1));
r1.max.y = min(y, v.body.frame.r.min.y+v.body.frame.nlines*v.body.frame.font.height);
r1.min.y = v.reshape(r1, FALSE);
r1.max.y = r1.min.y+Border;
draw(mainwin, r1, black, nil, (0, 0));
r.min.y = r1.max.y;
}
if(w == nil){
w = ref Window;
draw(mainwin, r, textcols[BACK], nil, (0, 0));
w.col = c;
w.init(clone, r);
}else{
w.col = c;
w.reshape(r, FALSE);
}
w.tag.col = c;
w.tag.row = c.row;
w.body.col = c;
w.body.row = c.row;
ocw := c.w;
c.w = array[c.nw+1] of ref Window;
c.w[0:] = ocw[0:i];
c.w[i+1:] = ocw[i:c.nw];
ocw = nil;
c.nw++;
c.w[i] = w;
utils->savemouse(w);
# near but not on the button
graph->cursorset(w.tag.scrollr.max.add(Point(3, 3)));
dat->barttext = w.body;
c.safe = TRUE;
return w;
}
Column.close(c : self ref Column, w : ref Window, dofree : int)
{
r : Rect;
i : int;
# w is locked
if(!c.safe)
c.grow(w, 1, 1);
for(i=0; i<c.nw; i++)
if(c.w[i] == w)
break;
if (i == c.nw)
error("can't find window");
r = w.r;
w.tag.col = nil;
w.body.col = nil;
w.col = nil;
utils->restoremouse(w);
if(dofree){
w.delete();
w.close();
}
ocw := c.w;
c.w = array[c.nw-1] of ref Window;
c.w[0:] = ocw[0:i];
c.w[i:] = ocw[i+1:c.nw];
ocw = nil;
c.nw--;
if(c.nw == 0){
draw(mainwin, r, white, nil, (0, 0));
return;
}
if(i == c.nw){ # extend last window down
w = c.w[i-1];
r.min.y = w.r.min.y;
r.max.y = c.r.max.y;
}else{ # extend next window up
w = c.w[i];
r.max.y = w.r.max.y;
}
draw(mainwin, r, textcols[BACK], nil, (0, 0));
if(c.safe)
w.reshape(r, FALSE);
}
Column.closeall(c : self ref Column)
{
i : int;
w : ref Window;
if(c == dat->activecol)
dat->activecol = nil;
c.tag.close();
for(i=0; i<c.nw; i++){
w = c.w[i];
w.close();
}
c.nw = 0;
c.w = nil;
c = nil;
clearmouse();
}
Column.mousebut(c : self ref Column)
{
graph->cursorset(c.tag.scrollr.min.add(c.tag.scrollr.max).div(2));
}
Column.reshape(c : self ref Column, r : Rect)
{
i : int;
r1, r2 : Rect;
w : ref Window;
clearmouse();
r1 = r;
r1.max.y = r1.min.y + c.tag.frame.font.height;
c.tag.reshape(r1);
draw(mainwin, c.tag.scrollr, colbutton, nil, colbutton.r.min);
r1.min.y = r1.max.y;
r1.max.y += Border;
draw(mainwin, r1, black, nil, (0, 0));
r1.max.y = r.max.y;
for(i=0; i<c.nw; i++){
w = c.w[i];
w.maxlines = 0;
if(i == c.nw-1)
r1.max.y = r.max.y;
else
r1.max.y = r1.min.y+(w.r.dy()+Border)*r.dy()/c.r.dy();
r2 = r1;
r2.max.y = r2.min.y+Border;
draw(mainwin, r2, black, nil, (0, 0));
r1.min.y = r2.max.y;
r1.min.y = w.reshape(r1, FALSE);
}
c.r = r;
}
colcmp(a : ref Window, b : ref Window) : int
{
r1, r2 : string;
r1 = a.body.file.name;
r2 = b.body.file.name;
if (r1 < r2)
return -1;
if (r1 > r2)
return 1;
return 0;
}
qsort(a : array of ref Window, n : int)
{
i, j : int;
t : ref Window;
while(n > 1) {
i = n>>1;
t = a[0]; a[0] = a[i]; a[i] = t;
i = 0;
j = n;
for(;;) {
do
i++;
while(i < n && colcmp(a[i], a[0]) < 0);
do
j--;
while(j > 0 && colcmp(a[j], a[0]) > 0);
if(j < i)
break;
t = a[i]; a[i] = a[j]; a[j] = t;
}
t = a[0]; a[0] = a[j]; a[j] = t;
n = n-j-1;
if(j >= n) {
qsort(a, j);
a = a[j+1:];
} else {
qsort(a[j+1:], n);
n = j;
}
}
}
Column.sort(c : self ref Column)
{
i, y : int;
r, r1 : Rect;
rp : array of Rect;
w : ref Window;
wp : array of ref Window;
if(c.nw == 0)
return;
clearmouse();
rp = array[c.nw] of Rect;
wp = array[c.nw] of ref Window;
wp[0:] = c.w[0:c.nw];
qsort(wp, c.nw);
for(i=0; i<c.nw; i++)
rp[i] = wp[i].r;
r = c.r;
r.min.y = c.tag.frame.r.max.y;
draw(mainwin, r, textcols[BACK], nil, (0, 0));
y = r.min.y;
for(i=0; i<c.nw; i++){
w = wp[i];
r.min.y = y;
if(i == c.nw-1)
r.max.y = c.r.max.y;
else
r.max.y = r.min.y+w.r.dy()+Border;
r1 = r;
r1.max.y = r1.min.y+Border;
draw(mainwin, r1, black, nil, (0, 0));
r.min.y = r1.max.y;
y = w.reshape(r, FALSE);
}
rp = nil;
c.w = wp;
}
Column.grow(c : self ref Column, w : ref Window, but : int, mv : int)
{
r, cr : Rect;
i, j, k, l, y1, y2, tot, nnl, onl, dnl, h : int;
nl, ny : array of int;
v : ref Window;
for(i=0; i<c.nw; i++)
if(c.w[i] == w)
break;
if (i == c.nw)
error("can't find window");
cr = c.r;
if(but < 0){ # make sure window fills its own space properly
r = w.r;
if(i == c.nw-1)
r.max.y = cr.max.y;
else
r.max.y = c.w[i+1].r.min.y;
w.reshape(r, FALSE);
return;
}
cr.min.y = c.w[0].r.min.y;
if(but == 3){ # full size
if(i != 0){
v = c.w[0];
c.w[0] = w;
c.w[i] = v;
}
draw(mainwin, cr, textcols[BACK], nil, (0, 0));
w.reshape(cr, FALSE);
for(i=1; i<c.nw; i++)
c.w[i].body.frame.maxlines = 0;
c.safe = FALSE;
return;
}
# store old #lines for each window
onl = w.body.frame.maxlines;
nl = array[c.nw] of int;
ny = array[c.nw] of int;
tot = 0;
for(j=0; j<c.nw; j++){
l = c.w[j].body.frame.maxlines;
nl[j] = l;
tot += l;
}
# approximate new #lines for this window
if(but == 2){ # as big as can be
for (j = 0; j < c.nw; j++)
nl[j] = 0;
nl[i] = tot;
}
else {
nnl = min(onl + max(min(5, w.maxlines), onl/2), tot);
if(nnl < w.maxlines)
nnl = (w.maxlines+nnl)/2;
if(nnl == 0)
nnl = 2;
dnl = nnl - onl;
# compute new #lines for each window
for(k=1; k<c.nw; k++){
# prune from later window
j = i+k;
if(j<c.nw && nl[j]){
l = min(dnl, max(1, nl[j]/2));
nl[j] -= l;
nl[i] += l;
dnl -= l;
}
# prune from earlier window
j = i-k;
if(j>=0 && nl[j]){
l = min(dnl, max(1, nl[j]/2));
nl[j] -= l;
nl[i] += l;
dnl -= l;
}
}
}
# pack everyone above
y1 = cr.min.y;
for(j=0; j<i; j++){
v = c.w[j];
r = v.r;
r.min.y = y1;
r.max.y = y1+v.tag.all.dy();
if(nl[j])
r.max.y += 1 + nl[j]*v.body.frame.font.height;
if(!c.safe || !v.r.eq(r)){
draw(mainwin, r, textcols[BACK], nil, (0, 0));
v.reshape(r, c.safe);
}
r.min.y = v.r.max.y;
r.max.y += Border;
draw(mainwin, r, black, nil, (0, 0));
y1 = r.max.y;
}
# scan to see new size of everyone below
y2 = c.r.max.y;
for(j=c.nw-1; j>i; j--){
v = c.w[j];
r = v.r;
r.min.y = y2-v.tag.all.dy();
if(nl[j])
r.min.y -= 1 + nl[j]*v.body.frame.font.height;
r.min.y -= Border;
ny[j] = r.min.y;
y2 = r.min.y;
}
# compute new size of window
r = w.r;
r.min.y = y1;
r.max.y = r.min.y+w.tag.all.dy();
h = w.body.frame.font.height;
if(y2-r.max.y >= 1+h+Border){
r.max.y += 1;
r.max.y += h*((y2-r.max.y)/h);
}
# draw window
if(!c.safe || !w.r.eq(r)){
draw(mainwin, r, textcols[BACK], nil, (0, 0));
w.reshape(r, c.safe);
}
if(i < c.nw-1){
r.min.y = r.max.y;
r.max.y += Border;
draw(mainwin, r, black, nil, (0, 0));
for(j=i+1; j<c.nw; j++)
ny[j] -= (y2-r.max.y);
}
# pack everyone below
y1 = r.max.y;
for(j=i+1; j<c.nw; j++){
v = c.w[j];
r = v.r;
r.min.y = y1;
r.max.y = y1+v.tag.all.dy();
if(nl[j])
r.max.y += 1 + nl[j]*v.body.frame.font.height;
if(!c.safe || !v.r.eq(r)){
draw(mainwin, r, textcols[BACK], nil, (0, 0));
v.reshape(r, c.safe);
}
if(j < c.nw-1){ # no border on last window
r.min.y = v.r.max.y;
r.max.y += Border;
draw(mainwin, r, black, nil, (0, 0));
}
y1 = r.max.y;
}
r = w.r;
r.min.y = y1;
r.max.y = c.r.max.y;
draw(mainwin, r, textcols[BACK], nil, (0, 0));
nl = nil;
ny = nil;
c.safe = TRUE;
if (mv)
w.mousebut();
}
Column.dragwin(c : self ref Column, w : ref Window, but : int)
{
r : Rect;
i, b : int;
p, op : Point;
v : ref Window;
nc : ref Column;
clearmouse();
graph->cursorswitch(dat->boxcursor);
b = mouse.buttons;
op = mouse.xy;
while(mouse.buttons == b)
acme->frgetmouse();
graph->cursorswitch(dat->arrowcursor);
if(mouse.buttons){
while(mouse.buttons)
acme->frgetmouse();
return;
}
for(i=0; i<c.nw; i++)
if(c.w[i] == w)
break;
if (i == c.nw)
error("can't find window");
p = mouse.xy;
if(abs(p.x-op.x)<5 && abs(p.y-op.y)<5){
c.grow(w, but, 1);
w.mousebut();
return;
}
# is it a flick to the right?
if(abs(p.y-op.y)<10 && p.x>op.x+30 && c.row.whichcol(p) == c)
p.x += w.r.dx(); # yes: toss to next column
nc = c.row.whichcol(p);
if(nc!=nil && nc!=c){
c.close(w, FALSE);
nc.add(w, nil, p.y);
w.mousebut();
return;
}
if(i==0 && c.nw==1)
return; # can't do it
if((i>0 && p.y<c.w[i-1].r.min.y) || (i<c.nw-1 && p.y>w.r.max.y)
|| (i==0 && p.y>w.r.max.y)){
# shuffle
c.close(w, FALSE);
c.add(w, nil, p.y);
w.mousebut();
return;
}
if(i == 0)
return;
v = c.w[i-1];
if(p.y < v.tag.all.max.y)
p.y = v.tag.all.max.y;
if(p.y > w.r.max.y-w.tag.all.dy()-Border)
p.y = w.r.max.y-w.tag.all.dy()-Border;
r = v.r;
r.max.y = p.y;
if(r.max.y > v.body.frame.r.min.y){
r.max.y -= (r.max.y-v.body.frame.r.min.y)%v.body.frame.font.height;
if(v.body.frame.r.min.y == v.body.frame.r.max.y)
r.max.y++;
}
if(!r.eq(v.r)){
draw(mainwin, r, textcols[BACK], nil, (0, 0));
v.reshape(r, c.safe);
}
r.min.y = v.r.max.y;
r.max.y = r.min.y+Border;
draw(mainwin, r, black, nil, (0, 0));
r.min.y = r.max.y;
if(i == c.nw-1)
r.max.y = c.r.max.y;
else
r.max.y = c.w[i+1].r.min.y-Border;
# r.max.y = w.r.max.y;
if(!r.eq(w.r)){
draw(mainwin, r, textcols[BACK], nil, (0, 0));
w.reshape(r, c.safe);
}
c.safe = TRUE;
w.mousebut();
}
Column.which(c : self ref Column, p : Point) : ref Text
{
i : int;
w : ref Window;
if(!p.in(c.r))
return nil;
if(p.in(c.tag.all))
return c.tag;
for(i=0; i<c.nw; i++){
w = c.w[i];
if(p.in(w.r)){
if(p.in(w.tag.all))
return w.tag;
return w.body;
}
}
return nil;
}
Column.clean(c : self ref Column, exiting : int) : int
{
clean : int;
i : int;
clean = TRUE;
for(i=0; i<c.nw; i++)
clean &= c.w[i].clean(TRUE, exiting);
return clean;
}