#include "a.h" enum{ Border = 1, Padding = 8, }; staticintmax(int a, int b){ return a>b ? a : b;} voidbutton(Image *b, Rectangle br, char *label, int focus){ Point p; int dx; dx = (Dx(br) - stringwidth(font, label)) / 2; border(b, br, 2, focus ? cols[Ctitle] : cols[Cdlgbord], ZP); p = addpt(br.min, Pt(dx, 0.25*font->height)); p = stringn(b, p, cols[Ctitle], ZP, font, label, 1); string(b, p, cols[Cfg], ZP, font, label+1);} intmessage(int type, const char *message, Mousectl *mctl, Keyboardctl *kctl){ Alt alts[3]; Rectangle r, br, brn, sc; Point o, p; Image *b, *save, *bg, *fg, *hi; int rc, done, h, w, bw, bh, mw, focus; Mouse m; Rune k; alts[0].op = CHANRCV; alts[0].c = mctl->c; alts[0].v = &m; alts[1].op = CHANRCV; alts[1].c = kctl->c; alts[1].v = &k; alts[2].op = CHANEND; alts[2].c = nil; alts[2].v = nil; while(nbrecv(kctl->c, nil)==1) ; focus = 0; rc = Bno; bg = cols[Cdlgbg]; fg = cols[Cfg]; hi = type == Derror ? cols[Cerror] : cols[Ctitle]; done = 0; save = nil; bw = 3*stringwidth(font, "Yes"); bh = 1.5*font->height; h = Border+Padding+2*font->height+Padding+bh+Padding+Border; mw = stringwidth(font, message); w = Border+Padding+1.5*mw+Padding+Border; b = screen; sc = b->clipr; replclipr(b, 0, b->r); while(!done){ o = addpt(screen->r.min, Pt((Dx(screen->r)-w)/2, (Dy(screen->r)-h)/2)); r = Rect(o.x, o.y, o.x+w, o.y+h); if(save==nil){ save = allocimage(display, r, b->chan, 0, DNofill); if(save==nil) break; draw(save, r, b, nil, r.min); } draw(b, r, bg, nil, ZP); border(b, r, Border, cols[Cdlgbord], ZP); p = addpt(o, Pt(0, 2)); line(b, p, Pt(r.max.x, p.y), 0, 0, 2, hi, ZP); p = addpt(o, Pt(Border+Padding, Border+Padding+0.5*font->height)); string(b, p, fg, ZP, font, message); p.y += Padding+1.5*font->height; br = rectaddpt(Rect(0, 0, bw, bh), addpt(o, Pt(Border+Padding, Border+Padding+2*font->height+Padding))); button(b, br, type == Dconfirm ? "Yes" : "Ok", focus == 0); if(type == Dconfirm){ brn = rectaddpt(br, Pt(bw+Padding, 0)); button(b, brn, "No", focus == 1); } flushimage(display, 1); if(b!=screen || !eqrect(screen->clipr, sc)){ freeimage(save); save = nil; } b = screen; sc = b->clipr; replclipr(b, 0, b->r); switch(alt(alts)){ default: continue; break; case 1: if(k == '\t') focus = (focus + 1) % 2; else if((type == Dinfo || type == Derror) && (k == 'o' || k == 'O')){ done = 1; rc = Byes; }else if(type == Dconfirm && (k == 'y' || k == 'Y')){ done = 1; rc = Byes; }else if(k == '\n'){ done = 1; rc = focus == 0 ? Byes : Bno; }else if(type == Dconfirm && (k == 'n' || k == 'N')){ done = 1; rc = Bno; }else if(k == Kesc){ done = 1; rc = Bno; } break; case 0: if(m.buttons&4){ if(ptinrect(m.xy, br)){ done = 1; rc = Byes; }else if(type == Dconfirm && ptinrect(m.xy, brn)){ done = 1; rc = Bno; } } break; } if(save){ draw(b, save->r, save, nil, save->r.min); freeimage(save); save = nil; } } replclipr(b, 0, sc); flushimage(display, 1); return rc;} voiderrormessage(char *msg, Mousectl *mc, Keyboardctl *kc){ char errbuf[64+ERRMAX] = {0}; snprint(errbuf, sizeof errbuf, msg); message(Derror, errbuf, mc, kc);}
#include "a.h"
enum{
Border = 1,
Padding = 8,
};
static
int
max(int a, int b)
{
return a>b ? a : b;
}
void
button(Image *b, Rectangle br, char *label, int focus)
{
Point p;
int dx;
dx = (Dx(br) - stringwidth(font, label)) / 2;
border(b, br, 2, focus ? cols[Ctitle] : cols[Cdlgbord], ZP);
p = addpt(br.min, Pt(dx, 0.25*font->height));
p = stringn(b, p, cols[Ctitle], ZP, font, label, 1);
string(b, p, cols[Cfg], ZP, font, label+1);
}
int
message(int type, const char *message, Mousectl *mctl, Keyboardctl *kctl)
{
Alt alts[3];
Rectangle r, br, brn, sc;
Point o, p;
Image *b, *save, *bg, *fg, *hi;
int rc, done, h, w, bw, bh, mw, focus;
Mouse m;
Rune k;
alts[0].op = CHANRCV;
alts[0].c = mctl->c;
alts[0].v = &m;
alts[1].op = CHANRCV;
alts[1].c = kctl->c;
alts[1].v = &k;
alts[2].op = CHANEND;
alts[2].c = nil;
alts[2].v = nil;
while(nbrecv(kctl->c, nil)==1)
;
focus = 0;
rc = Bno;
bg = cols[Cdlgbg];
fg = cols[Cfg];
hi = type == Derror ? cols[Cerror] : cols[Ctitle];
done = 0;
save = nil;
bw = 3*stringwidth(font, "Yes");
bh = 1.5*font->height;
h = Border+Padding+2*font->height+Padding+bh+Padding+Border;
mw = stringwidth(font, message);
w = Border+Padding+1.5*mw+Padding+Border;
b = screen;
sc = b->clipr;
replclipr(b, 0, b->r);
while(!done){
o = addpt(screen->r.min, Pt((Dx(screen->r)-w)/2, (Dy(screen->r)-h)/2));
r = Rect(o.x, o.y, o.x+w, o.y+h);
if(save==nil){
save = allocimage(display, r, b->chan, 0, DNofill);
if(save==nil)
break;
draw(save, r, b, nil, r.min);
}
draw(b, r, bg, nil, ZP);
border(b, r, Border, cols[Cdlgbord], ZP);
p = addpt(o, Pt(0, 2));
line(b, p, Pt(r.max.x, p.y), 0, 0, 2, hi, ZP);
p = addpt(o, Pt(Border+Padding, Border+Padding+0.5*font->height));
string(b, p, fg, ZP, font, message);
p.y += Padding+1.5*font->height;
br = rectaddpt(Rect(0, 0, bw, bh), addpt(o, Pt(Border+Padding, Border+Padding+2*font->height+Padding)));
button(b, br, type == Dconfirm ? "Yes" : "Ok", focus == 0);
if(type == Dconfirm){
brn = rectaddpt(br, Pt(bw+Padding, 0));
button(b, brn, "No", focus == 1);
}
flushimage(display, 1);
if(b!=screen || !eqrect(screen->clipr, sc)){
freeimage(save);
save = nil;
}
b = screen;
sc = b->clipr;
replclipr(b, 0, b->r);
switch(alt(alts)){
default:
continue;
break;
case 1:
if(k == '\t')
focus = (focus + 1) % 2;
else if((type == Dinfo || type == Derror) && (k == 'o' || k == 'O')){
done = 1;
rc = Byes;
}else if(type == Dconfirm && (k == 'y' || k == 'Y')){
done = 1;
rc = Byes;
}else if(k == '\n'){
done = 1;
rc = focus == 0 ? Byes : Bno;
}else if(type == Dconfirm && (k == 'n' || k == 'N')){
done = 1;
rc = Bno;
}else if(k == Kesc){
done = 1;
rc = Bno;
}
break;
case 0:
if(m.buttons&4){
if(ptinrect(m.xy, br)){
done = 1;
rc = Byes;
}else if(type == Dconfirm && ptinrect(m.xy, brn)){
done = 1;
rc = Bno;
}
}
break;
}
if(save){
draw(b, save->r, save, nil, save->r.min);
freeimage(save);
save = nil;
}
}
replclipr(b, 0, sc);
flushimage(display, 1);
return rc;
}
void
errormessage(char *msg, Mousectl *mc, Keyboardctl *kc)
{
char errbuf[64+ERRMAX] = {0};
snprint(errbuf, sizeof errbuf, msg);
message(Derror, errbuf, mc, kc);
}