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#include <lib9.h>
#include <draw.h>
#include <interp.h>
#include <isa.h>
#include "../libinterp/runt.h"
#include <drawif.h>
#include <prefab.h>
PCompound*
layoutbox(Prefab_Environ *e, Draw_Rect rr, String *titletext, List *texttext)
{
Draw_Rect er, r, lr;
PCompound *pc;
Prefab_Compound *c;
PElement *title, *text;
Image *disp;
Draw_Image *ddisp;
Screen *screen;
Heap *h;
Rectangle t;
int wid, w;
Point p, pt;
screen = lookupscreen(e->screen);
if(screen == nil)
return H;
gchalt++;
wid = Dx(rr);
P2P(p, rr.min);
title = H;
text = H;
if(texttext != H){
er.min.x = 0;
er.min.y = 0;
er.max.x = wid-5;
er.max.y = Dy(rr);
text = layoutelement(e, texttext, er, EText);
if(text == H){
gchalt--;
return H;
}
if(wid <= 0)
wid = Dx(text->e.r)+5;
}
if(titletext != H){
/* see how wide title wants to be */
memset(&er, 0, sizeof er);
title = textelement(e, titletext, er, ETitle);
if(title == H){
Errtitle:
destroy(text);
gchalt--;
return H;
}
w = 2+1+3+Dx(title->e.r)+1;
/* if title is wider than text, adjust wid accordingly */
if(text!=0 && Dx(text->e.r)<w){
if(Dx(text->e.r) < 100){ /* narrow text; don't let title get too wide */
if(w > 250+5)
w = 250+5;
wid = w;
}
destroy(title);
er.min.x = 0;
er.min.y = 0;
er.max.x = wid-5;
er.max.y = 0;
title = textelement(e, titletext, er, ETitle);
if(title == H)
goto Errtitle;
}
if(wid <= 0)
wid = Dx(title->e.r)+5;
}
h = heapz(TCompound);
pc = H2D(PCompound*, h);
c = &pc->c;
c->title = (Prefab_Element*)title;
c->contents = (Prefab_Element*)text;
/* now can just destroy c to clean up */
r.min = DPOINT(p);
r.max.x = r.min.x+wid;
r.max.y = p.y+2+1 + 1+1;
if(title != H)
r.max.y += title->nkids*e->style->titlefont->height+1;
if(text != H)
r.max.y += Dy(text->e.r);
er = edgerect(e, DPOINT(p), &r);
R2R(t, er);
disp = allocwindow(screen, t, Refbackup /*refreshcompound*/, DWhite);
if(disp == nil){
Err:
destroy(c);
gchalt--;
return H;
}
if((ddisp=mkdrawimage(disp, e->screen, e->screen->display, nil)) == H){
freeimage(disp);
goto Err;
}
lr = r;
if(title != H){
pt.x = r.min.x+3;
pt.y = r.min.y+3;
translateelement(&title->e, pt);
lr.min.y = title->e.r.max.y+1;
}
if(text != H)
translateelement((Prefab_Element*)text, subpt(IPOINT(lr.min), IPOINT(text->e.r.min)));
c->r = r;
c->environ = e;
c->image = ddisp;
D2H(e)->ref++;
pc->display = screen->display;
gchalt--;
return pc;
}
PCompound*
textbox(Prefab_Environ *e, Draw_Rect rr, String *titletext, String *texttext)
{
PCompound *pc;
List *l;
l = listoflayout(e->style, texttext, EText);
pc = layoutbox(e, rr, titletext, l);
free(l);
return pc;
}
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