Window*
coladd(Column *c, Window *w, Window *clone, int y)
{
Rectangle r, r1;
Window *v;
int i, t;
v = nil;
r = c->r;
r.min.y = c->tag.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.r.min.y+Dy(v->body.r)/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.maxlines<=3){
colgrow(c, v, 1);
y = v->body.r.min.y+Dy(v->body.r)/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(screen, r, textcols[BACK], nil, ZP);
r1 = r;
y = min(y, t-(v->tag.font->height+v->body.font->height+Border+1));
r1.max.y = min(y, v->body.r.min.y+v->body.nlines*v->body.font->height);
r1.min.y = winresize(v, r1, FALSE);
r1.max.y = r1.min.y+Border;
draw(screen, r1, display->black, nil, ZP);
r.min.y = r1.max.y;
}
if(w == nil){
w = emalloc(sizeof(Window));
w->col = c;
draw(screen, r, textcols[BACK], nil, ZP);
wininit(w, clone, r);
}else{
w->col = c;
winresize(w, r, FALSE);
}
w->tag.col = c;
w->tag.row = c->row;
w->body.col = c;
w->body.row = c->row;
c->w = realloc(c->w, (c->nw+1)*sizeof(Window*));
memmove(c->w+i+1, c->w+i, (c->nw-i)*sizeof(Window*));
c->nw++;
c->w[i] = w;
savemouse(w);
/* near but not on the button */
moveto(mousectl, addpt(w->tag.scrollr.max, Pt(3, 3)));
barttext = &w->body;
c->safe = TRUE;
return w;
}
Window*
coladd(Column *c, Window *w, Window *clone, int y)
{
Rectangle r, r1;
Window *v;
int i, j, minht, ymax, buggered;
v = nil;
r = c->r;
r.min.y = c->tag.fr.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.fr.r.min.y+Dy(v->body.fr.r)/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;
}
buggered = 0;
if(c->nw > 0){
if(i < c->nw)
i++; /* new window will go after v */
/*
* if landing window (v) is too small, grow it first.
*/
minht = v->tag.fr.font->height+Border+1;
j = 0;
while(!c->safe || v->body.fr.maxlines<=3 || Dy(v->body.all) <= minht){
if(++j > 10){
buggered = 1; /* too many windows in column */
break;
}
colgrow(c, v, 1);
}
/*
* figure out where to split v to make room for w
*/
/* new window stops where next window begins */
if(i < c->nw)
ymax = c->w[i]->r.min.y-Border;
else
ymax = c->r.max.y;
/* new window must start after v's tag ends */
y = max(y, v->tagtop.max.y+Border);
/* new window must start early enough to end before ymax */
y = min(y, ymax - minht);
/* if y is too small, too many windows in column */
if(y < v->tagtop.max.y+Border)
buggered = 1;
/*
* resize & redraw v
*/
r = v->r;
r.max.y = ymax;
draw(screen, r, textcols[BACK], nil, ZP);
r1 = r;
y = min(y, ymax-(v->tag.fr.font->height*v->taglines+v->body.fr.font->height+Border+1));
r1.max.y = min(y, v->body.fr.r.min.y+v->body.fr.nlines*v->body.fr.font->height);
r1.min.y = winresize(v, r1, FALSE, FALSE);
r1.max.y = r1.min.y+Border;
draw(screen, r1, display->black, nil, ZP);
/*
* leave r with w's coordinates
*/
r.min.y = r1.max.y;
}
if(w == nil){
w = emalloc(sizeof(Window));
w->col = c;
draw(screen, r, textcols[BACK], nil, ZP);
wininit(w, clone, r);
}else{
w->col = c;
winresize(w, r, FALSE, TRUE);
}
w->tag.col = c;
w->tag.row = c->row;
w->body.col = c;
w->body.row = c->row;
c->w = realloc(c->w, (c->nw+1)*sizeof(Window*));
memmove(c->w+i+1, c->w+i, (c->nw-i)*sizeof(Window*));
c->nw++;
c->w[i] = w;
c->safe = TRUE;
/* if there were too many windows, redraw the whole column */
if(buggered)
colresize(c, c->r);
savemouse(w);
/* near the button, but in the body */
moveto(mousectl, addpt(w->tag.scrollr.max, Pt(3, 3)));
barttext = &w->body;
return w;
}
