char*
tkscale(TkTop *t, char *arg, char **ret)
{
Tk *tk;
char *e;
TkName *names;
TkScale *tks;
TkOptab tko[3];
tk = tknewobj(t, TKscale, sizeof(Tk)+sizeof(TkScale));
if(tk == nil)
return TkNomem;
tk->flag |= Tktakefocus;
tks = TKobj(TkScale, tk);
tks->res = TKI2F(1);
tks->to = TKI2F(100);
tks->len = ScaleLen;
tks->orient = Tkvertical;
tks->relief = TKraised;
tks->sl = ScaleSlider;
tks->sv = BoolT;
tks->bigi = 0;
tko[0].ptr = tk;
tko[0].optab = tkgeneric;
tko[1].ptr = tks;
tko[1].optab = opts;
tko[2].ptr = nil;
names = nil;
e = tkparse(t, arg, tko, &names);
if(e != nil) {
tkfreeobj(tk);
return e;
}
tksettransparent(tk, tkhasalpha(tk->env, TkCbackgnd));
tkscalecheckvalue(tk);
tksizescale(tk);
if (tks->bigi == 0)
tks->bigi = TKI2F(TKF2I(tks->to - tks->from) / 10);
e = tkbindings(t, tk, b, nelem(b));
if(e != nil) {
tkfreeobj(tk);
return e;
}
e = tkaddchild(t, tk, &names);
tkfreename(names);
if(e != nil) {
tkfreeobj(tk);
return e;
}
tk->name->link = nil;
return tkvalue(ret, "%s", tk->name->name);
}
char*
tkentry(TkTop *t, char *arg, char **ret)
{
Tk *tk;
char *e;
TkName *names;
TkEntry *tke;
TkOptab tko[3];
tk = tknewobj(t, TKentry, sizeof(Tk)+sizeof(TkEntry));
if(tk == nil)
return TkNomem;
tk->relief = TKsunken;
tk->borderwidth = 2;
tk->flag |= Tktakefocus;
tk->highlightwidth = 1;
tke = TKobj(TkEntry, tk);
tko[0].ptr = tk;
tko[0].optab = tkgeneric;
tko[1].ptr = tke;
tko[1].optab = opts;
tko[2].ptr = nil;
names = nil;
e = tkparse(t, arg, tko, &names);
if(e != nil) {
tkfreeobj(tk);
return e;
}
tksettransparent(tk, tkhasalpha(tk->env, TkCbackgnd));
tksizeentry(tk);
e = tkbindings(t, tk, b, nelem(b));
if(e != nil) {
tkfreeobj(tk);
return e;
}
e = tkaddchild(t, tk, &names);
tkfreename(names);
if(e != nil) {
tkfreeobj(tk);
return e;
}
tk->name->link = nil;
recalcentry(tk);
return tkvalue(ret, "%s", tk->name->name);
}
char*
tkseecmd(TkTop *t, char *arg, char **ret)
{
TkOptab tko[2];
TkSee opts;
TkName *names;
Tk *tk;
char *e;
Rectangle vr;
Point vp;
opts.r[0] = bbnil.min.x;
opts.r[1] = bbnil.min.y;
opts.r[2] = bbnil.max.x;
opts.r[3] = bbnil.max.y;
opts.p[0] = bbnil.max.x;
opts.p[1] = bbnil.max.y;
opts.query = 0;
tko[0].ptr = &opts;
tko[0].optab = seeopts;
tko[1].ptr = nil;
names = nil;
e = tkparse(t, arg, tko, &names);
if (e != nil)
return e;
if (names == nil)
return TkBadwp;
tk = tklook(t, names->name, 0);
tkfreename(names);
if (tk == nil)
return TkBadwp;
if (opts.query) {
if (!tkvisiblerect(tk, &vr))
return nil;
/* XXX should this be converted into screen coords? */
return tkvalue(ret, "%d %d %d %d", vr.min.x, vr.min.y, vr.max.x, vr.max.y);
}
vr.min.x = opts.r[0];
vr.min.y = opts.r[1];
vr.max.x = opts.r[2];
vr.max.y = opts.r[3];
vp.x = opts.p[0];
vp.y = opts.p[1];
if (eqrect(vr, bbnil))
vr = tkrect(tk, 1);
if (eqpt(vp, bbnil.max))
vp = vr.min;
tksee(tk, vr, vp);
return nil;
}
char*
tkscrollbar(TkTop *t, char *arg, char **ret)
{
Tk *tk;
char *e;
TkName *names;
TkScroll *tks;
TkOptab tko[3];
tk = tknewobj(t, TKscrollbar, sizeof(Tk)+sizeof(TkScroll));
if(tk == nil)
return TkNomem;
tks = TKobj(TkScroll, tk);
tk->relief = TKflat;
tk->borderwidth = 1;
tks->activer = TKraised;
tks->orient = Tkvertical;
tko[0].ptr = tk;
tko[0].optab = tkgeneric;
tko[1].ptr = tks;
tko[1].optab = opts;
tko[2].ptr = nil;
names = nil;
e = tkparse(t, arg, tko, &names);
if(e != nil) {
tkfreeobj(tk);
return e;
}
tksettransparent(tk, tkhasalpha(tk->env, TkCbackgnd));
e = tkinitscroll(tk);
if(e != nil) {
tkfreeobj(tk);
return e;
}
e = tkaddchild(t, tk, &names);
tkfreename(names);
if(e != nil) {
tkfreeobj(tk);
return e;
}
tk->name->link = nil;
return tkvalue(ret, "%s", tk->name->name);
}
char*
tklabel(TkTop *t, char *arg, char **ret)
{
Tk *tk;
char *e;
TkLabel *tkl;
TkName *names;
TkOptab tko[3];
tk = tknewobj(t, TKlabel, sizeof(Tk)+sizeof(TkLabel));
if(tk == nil)
return TkNomem;
tkl = TKobj(TkLabel, tk);
tkl->ul = -1;
tkl->justify = Tkleft;
tko[0].ptr = tk;
tko[0].optab = tkgeneric;
tko[1].ptr = tkl;
tko[1].optab = tklabelopts;
tko[2].ptr = nil;
names = nil;
e = tkparse(t, arg, tko, &names);
if(e != nil) {
tkfreeobj(tk);
return e;
}
tksizelabel(tk);
tksettransparent(tk, tkhasalpha(tk->env, TkCbackgnd));
e = tkaddchild(t, tk, &names);
tkfreename(names);
if(e != nil) {
tkfreeobj(tk);
return e;
}
tk->name->link = nil;
return tkvalue(ret, "%s", tk->name->name);
}
char*
tkcanvas(TkTop *t, char *arg, char **ret)
{
Tk *tk;
char *e;
TkCanvas *tkc;
TkName *names;
TkOptab tko[3];
tk = tknewobj(t, TKcanvas, sizeof(Tk)+sizeof(TkCanvas));
if(tk == nil)
return TkNomem;
tkc = TKobj(TkCanvas, tk);
tkc->close = TKI2F(1);
tkc->xscrolli = TKI2F(1);
tkc->yscrolli = TKI2F(1);
tkc->width = TKI2F(360);
tkc->height = TKI2F(270);
tkc->actions = 0;
tkc->actlim = Tksweep;
tkc->mask = nil;
tkc->sborderwidth = 1;
tko[0].ptr = tkc;
tko[0].optab = opts;
tko[1].ptr = tk;
tko[1].optab = tkgeneric;
tko[2].ptr = nil;
names = nil;
e = tkparse(t, arg, tko, &names);
if(e != nil)
goto err;
if(names == nil) {
/* tkerr(t, arg); XXX */
e = TkBadwp;
goto err;
}
tkc->current = tkmkname("current");
if(tkc->current == nil) {
e = TkNomem;
goto err;
}
tksettransparent(tk, tkhasalpha(tk->env, TkCbackgnd));
tkcvsf2i(tk, tkc);
e = tkaddchild(t, tk, &names);
tkfreename(names);
if(e != nil) {
tkfreename(tkc->current);
tkc->current = nil;
goto err;
}
tk->name->link = nil;
e = tkvalue(ret, "%s", tk->name->name);
if(e == nil)
return nil;
tkfreename(tkc->current);
return e;
err:
tkfreeobj(tk);
return e;
}
char*
tkpack(TkTop *t, char *arg, char **val)
{
TkParam param = defparam;
TkParam *p = ¶m;
TkOptab tko[2];
Tk *tk, **l, *tkp;
TkName *names, *n;
char *e, *w, *buf;
buf = mallocz(Tkminitem, 0);
if(buf == nil)
return TkNomem;
w = tkword(t, arg, buf, buf+Tkminitem, nil);
if(strcmp(buf, "forget") == 0) {
e = tkforget(t, w);
free(buf);
return e;
}
if(strcmp(buf, "propagate") == 0) {
e = tkpropagate(t, w);
free(buf);
return e;
}
if(strcmp(buf, "slaves") == 0) {
e = tkslaves(t, w, val);
free(buf);
return e;
}
free(buf);
tko[0].ptr = p;
tko[0].optab = opts;
tko[1].ptr = nil;
names = nil;
e = tkparse(t, arg, tko, &names);
if(e != nil)
return e;
if((p->before && p->before->master == nil) ||
(p->after && p->after->master == nil)) {
tkfreename(names);
return TkNotpk;
}
for(n = names; n; n = n->link) {
tkp = tklook(t, n->name, 0);
if(tkp == nil) {
tkerr(t, n->name);
tkfreename(names);
return TkBadwp;
}
if(tkp->flag & Tkwindow) {
tkfreename(names);
return TkIstop;
}
if(tkp->parent != nil) {
tkfreename(names);
return TkWpack;
}
n->obj = tkp;
}
e = nil;
for(n = names; n; n = n->link) {
tk = n->obj;
if(tk->master == nil) {
tk->pad = ZP;
tk->ipad = ZP;
tk->flag &= ~(Tkanchor|Tkside|Tkfill|Tkexpand);
tk->flag |= Tktop;
}
if(tk->master != nil) {
tkpackqit(tk->master);
tkdelpack(tk);
}
if(p->before == nil && p->after == nil && p->in == nil) {
tkp = tklook(t, n->name, 1);
if(tkp == nil) {
e = TkBadwp;
tkerr(t, n->name);
goto Error;
}
e = tkcanpack(tk, tkp);
if (e != nil)
goto Error;
tkappendpack(tkp, tk, -1);
}
else {
if(p->in != nil) {
e = tkcanpack(tk, p->in);
if(e != nil)
goto Error;
tkappendpack(p->in, tk, -1);
}
else
if(p->before != nil) {
e = tkcanpack(tk, p->before->master);
if (e != nil)
goto Error;
tk->master = p->before->master;
l = &tk->master->slave;
for(;;) {
if(*l == p->before) {
tk->next = *l;
*l = tk;
break;
}
l = &(*l)->next;
}
p->before = tk;
}
else {
e = tkcanpack(tk, p->after->master);
if (e != nil)
goto Error;
tk->master = p->after->master;
tk->next = p->after->next;
p->after->next = tk;
p->after = tk;
}
}
tksetopt(p, tk);
if (tk->master->flag&Tksubsub)
tksetbits(tk, Tksubsub);
tkpackqit(tk->master);
}
Error:
tkfreename(names);
tkrunpack(t);
return e;
}
