13e12c5d1SDavid du Colombier #include <u.h>
23e12c5d1SDavid du Colombier #include <libc.h>
37dd7cddfSDavid du Colombier #include <draw.h>
47dd7cddfSDavid du Colombier #include <thread.h>
57dd7cddfSDavid du Colombier #include <mouse.h>
63e12c5d1SDavid du Colombier #include <frame.h>
73e12c5d1SDavid du Colombier
83e12c5d1SDavid du Colombier void
_frdrawtext(Frame * f,Point pt,Image * text,Image * back)98f5875f3SDavid du Colombier _frdrawtext(Frame *f, Point pt, Image *text, Image *back)
103e12c5d1SDavid du Colombier {
113e12c5d1SDavid du Colombier Frbox *b;
123e12c5d1SDavid du Colombier int nb;
137dd7cddfSDavid du Colombier static int x;
147dd7cddfSDavid du Colombier
153e12c5d1SDavid du Colombier for(nb=0,b=f->box; nb<f->nbox; nb++, b++){
163e12c5d1SDavid du Colombier _frcklinewrap(f, &pt, b);
17*6b2e31f9SDavid du Colombier if(!f->noredraw && b->nrune >= 0)
18f3c03fd4SDavid du Colombier stringbg(f->b, pt, text, ZP, f->font, (char*)b->ptr, back, ZP);
193e12c5d1SDavid du Colombier pt.x += b->wid;
203e12c5d1SDavid du Colombier }
213e12c5d1SDavid du Colombier }
223e12c5d1SDavid du Colombier
237dd7cddfSDavid du Colombier static int
nbytes(char * s0,int nr)247dd7cddfSDavid du Colombier nbytes(char *s0, int nr)
257dd7cddfSDavid du Colombier {
267dd7cddfSDavid du Colombier char *s;
277dd7cddfSDavid du Colombier Rune r;
287dd7cddfSDavid du Colombier
297dd7cddfSDavid du Colombier s = s0;
307dd7cddfSDavid du Colombier while(--nr >= 0)
317dd7cddfSDavid du Colombier s += chartorune(&r, s);
327dd7cddfSDavid du Colombier return s-s0;
337dd7cddfSDavid du Colombier }
347dd7cddfSDavid du Colombier
357dd7cddfSDavid du Colombier void
frdrawsel(Frame * f,Point pt,ulong p0,ulong p1,int issel)367dd7cddfSDavid du Colombier frdrawsel(Frame *f, Point pt, ulong p0, ulong p1, int issel)
377dd7cddfSDavid du Colombier {
387dd7cddfSDavid du Colombier Image *back, *text;
397dd7cddfSDavid du Colombier
407dd7cddfSDavid du Colombier if(f->ticked)
417dd7cddfSDavid du Colombier frtick(f, frptofchar(f, f->p0), 0);
427dd7cddfSDavid du Colombier
437dd7cddfSDavid du Colombier if(p0 == p1){
447dd7cddfSDavid du Colombier frtick(f, pt, issel);
457dd7cddfSDavid du Colombier return;
467dd7cddfSDavid du Colombier }
477dd7cddfSDavid du Colombier
487dd7cddfSDavid du Colombier if(issel){
497dd7cddfSDavid du Colombier back = f->cols[HIGH];
507dd7cddfSDavid du Colombier text = f->cols[HTEXT];
517dd7cddfSDavid du Colombier }else{
527dd7cddfSDavid du Colombier back = f->cols[BACK];
537dd7cddfSDavid du Colombier text = f->cols[TEXT];
547dd7cddfSDavid du Colombier }
557dd7cddfSDavid du Colombier
567dd7cddfSDavid du Colombier frdrawsel0(f, pt, p0, p1, back, text);
577dd7cddfSDavid du Colombier }
587dd7cddfSDavid du Colombier
598f5875f3SDavid du Colombier Point
frdrawsel0(Frame * f,Point pt,ulong p0,ulong p1,Image * back,Image * text)607dd7cddfSDavid du Colombier frdrawsel0(Frame *f, Point pt, ulong p0, ulong p1, Image *back, Image *text)
617dd7cddfSDavid du Colombier {
627dd7cddfSDavid du Colombier Frbox *b;
637dd7cddfSDavid du Colombier int nb, nr, w, x, trim;
647dd7cddfSDavid du Colombier Point qt;
657dd7cddfSDavid du Colombier uint p;
667dd7cddfSDavid du Colombier char *ptr;
677dd7cddfSDavid du Colombier
687dd7cddfSDavid du Colombier p = 0;
697dd7cddfSDavid du Colombier b = f->box;
707dd7cddfSDavid du Colombier trim = 0;
717dd7cddfSDavid du Colombier for(nb=0; nb<f->nbox && p<p1; nb++){
727dd7cddfSDavid du Colombier nr = b->nrune;
737dd7cddfSDavid du Colombier if(nr < 0)
747dd7cddfSDavid du Colombier nr = 1;
757dd7cddfSDavid du Colombier if(p+nr <= p0)
767dd7cddfSDavid du Colombier goto Continue;
777dd7cddfSDavid du Colombier if(p >= p0){
787dd7cddfSDavid du Colombier qt = pt;
797dd7cddfSDavid du Colombier _frcklinewrap(f, &pt, b);
808f5875f3SDavid du Colombier /* fill in the end of a wrapped line */
817dd7cddfSDavid du Colombier if(pt.y > qt.y)
827dd7cddfSDavid du Colombier draw(f->b, Rect(qt.x, qt.y, f->r.max.x, pt.y), back, nil, qt);
837dd7cddfSDavid du Colombier }
847dd7cddfSDavid du Colombier ptr = (char*)b->ptr;
857dd7cddfSDavid du Colombier if(p < p0){ /* beginning of region: advance into box */
867dd7cddfSDavid du Colombier ptr += nbytes(ptr, p0-p);
877dd7cddfSDavid du Colombier nr -= (p0-p);
887dd7cddfSDavid du Colombier p = p0;
897dd7cddfSDavid du Colombier }
907dd7cddfSDavid du Colombier trim = 0;
917dd7cddfSDavid du Colombier if(p+nr > p1){ /* end of region: trim box */
927dd7cddfSDavid du Colombier nr -= (p+nr)-p1;
937dd7cddfSDavid du Colombier trim = 1;
947dd7cddfSDavid du Colombier }
957dd7cddfSDavid du Colombier if(b->nrune<0 || nr==b->nrune)
967dd7cddfSDavid du Colombier w = b->wid;
977dd7cddfSDavid du Colombier else
987dd7cddfSDavid du Colombier w = stringnwidth(f->font, ptr, nr);
997dd7cddfSDavid du Colombier x = pt.x+w;
1007dd7cddfSDavid du Colombier if(x > f->r.max.x)
1017dd7cddfSDavid du Colombier x = f->r.max.x;
1027dd7cddfSDavid du Colombier draw(f->b, Rect(pt.x, pt.y, x, pt.y+f->font->height), back, nil, pt);
1037dd7cddfSDavid du Colombier if(b->nrune >= 0)
104f3c03fd4SDavid du Colombier stringnbg(f->b, pt, text, ZP, f->font, ptr, nr, back, ZP);
1057dd7cddfSDavid du Colombier pt.x += w;
1067dd7cddfSDavid du Colombier Continue:
1077dd7cddfSDavid du Colombier b++;
1087dd7cddfSDavid du Colombier p += nr;
1097dd7cddfSDavid du Colombier }
1107dd7cddfSDavid du Colombier /* if this is end of last plain text box on wrapped line, fill to end of line */
1117dd7cddfSDavid du Colombier if(p1>p0 && b>f->box && b<f->box+f->nbox && b[-1].nrune>0 && !trim){
1127dd7cddfSDavid du Colombier qt = pt;
1137dd7cddfSDavid du Colombier _frcklinewrap(f, &pt, b);
1147dd7cddfSDavid du Colombier if(pt.y > qt.y)
1157dd7cddfSDavid du Colombier draw(f->b, Rect(qt.x, qt.y, f->r.max.x, pt.y), back, nil, qt);
1167dd7cddfSDavid du Colombier }
1178f5875f3SDavid du Colombier return pt;
1188f5875f3SDavid du Colombier }
1198f5875f3SDavid du Colombier
1208f5875f3SDavid du Colombier void
frredraw(Frame * f)1218f5875f3SDavid du Colombier frredraw(Frame *f)
1228f5875f3SDavid du Colombier {
1238f5875f3SDavid du Colombier int ticked;
1248f5875f3SDavid du Colombier Point pt;
1258f5875f3SDavid du Colombier
1268f5875f3SDavid du Colombier if(f->p0 == f->p1){
1278f5875f3SDavid du Colombier ticked = f->ticked;
1288f5875f3SDavid du Colombier if(ticked)
1298f5875f3SDavid du Colombier frtick(f, frptofchar(f, f->p0), 0);
1308f5875f3SDavid du Colombier frdrawsel0(f, frptofchar(f, 0), 0, f->nchars, f->cols[BACK], f->cols[TEXT]);
1318f5875f3SDavid du Colombier if(ticked)
1328f5875f3SDavid du Colombier frtick(f, frptofchar(f, f->p0), 1);
1338f5875f3SDavid du Colombier return;
1348f5875f3SDavid du Colombier }
1358f5875f3SDavid du Colombier
1368f5875f3SDavid du Colombier pt = frptofchar(f, 0);
1378f5875f3SDavid du Colombier pt = frdrawsel0(f, pt, 0, f->p0, f->cols[BACK], f->cols[TEXT]);
1388f5875f3SDavid du Colombier pt = frdrawsel0(f, pt, f->p0, f->p1, f->cols[HIGH], f->cols[HTEXT]);
1398f5875f3SDavid du Colombier pt = frdrawsel0(f, pt, f->p1, f->nchars, f->cols[BACK], f->cols[TEXT]);
1407dd7cddfSDavid du Colombier }
1417dd7cddfSDavid du Colombier
1427dd7cddfSDavid du Colombier void
frtick(Frame * f,Point pt,int ticked)1437dd7cddfSDavid du Colombier frtick(Frame *f, Point pt, int ticked)
1447dd7cddfSDavid du Colombier {
1457dd7cddfSDavid du Colombier Rectangle r;
1467dd7cddfSDavid du Colombier
1477dd7cddfSDavid du Colombier if(f->ticked==ticked || f->tick==0 || !ptinrect(pt, f->r))
1487dd7cddfSDavid du Colombier return;
1497dd7cddfSDavid du Colombier pt.x--; /* looks best just left of where requested */
1507dd7cddfSDavid du Colombier r = Rect(pt.x, pt.y, pt.x+FRTICKW, pt.y+f->font->height);
15143f160e5SDavid du Colombier /* can go into left border but not right */
15243f160e5SDavid du Colombier if(r.max.x > f->r.max.x)
15343f160e5SDavid du Colombier r.max.x = f->r.max.x;
1547dd7cddfSDavid du Colombier if(ticked){
1557dd7cddfSDavid du Colombier draw(f->tickback, f->tickback->r, f->b, nil, pt);
1567dd7cddfSDavid du Colombier draw(f->b, r, f->tick, nil, ZP);
1577dd7cddfSDavid du Colombier }else
1587dd7cddfSDavid du Colombier draw(f->b, r, f->tickback, nil, ZP);
1597dd7cddfSDavid du Colombier f->ticked = ticked;
1607dd7cddfSDavid du Colombier }
1617dd7cddfSDavid du Colombier
1623e12c5d1SDavid du Colombier Point
_frdraw(Frame * f,Point pt)1633e12c5d1SDavid du Colombier _frdraw(Frame *f, Point pt)
1643e12c5d1SDavid du Colombier {
1653e12c5d1SDavid du Colombier Frbox *b;
1663e12c5d1SDavid du Colombier int nb, n;
1673e12c5d1SDavid du Colombier
1683e12c5d1SDavid du Colombier for(b=f->box,nb=0; nb<f->nbox; nb++, b++){
1693e12c5d1SDavid du Colombier _frcklinewrap0(f, &pt, b);
1703e12c5d1SDavid du Colombier if(pt.y == f->r.max.y){
1713e12c5d1SDavid du Colombier f->nchars -= _frstrlen(f, nb);
1723e12c5d1SDavid du Colombier _frdelbox(f, nb, f->nbox-1);
1733e12c5d1SDavid du Colombier break;
1743e12c5d1SDavid du Colombier }
1753e12c5d1SDavid du Colombier if(b->nrune > 0){
1763e12c5d1SDavid du Colombier n = _frcanfit(f, pt, b);
1773e12c5d1SDavid du Colombier if(n == 0)
1784b30ca09SDavid du Colombier drawerror(f->display, "_frcanfit==0");
1793e12c5d1SDavid du Colombier if(n != b->nrune){
1803e12c5d1SDavid du Colombier _frsplitbox(f, nb, n);
1813e12c5d1SDavid du Colombier b = &f->box[nb];
1823e12c5d1SDavid du Colombier }
1833e12c5d1SDavid du Colombier pt.x += b->wid;
1843e12c5d1SDavid du Colombier }else{
1857dd7cddfSDavid du Colombier if(b->bc == '\n'){
1867dd7cddfSDavid du Colombier pt.x = f->r.min.x;
1877dd7cddfSDavid du Colombier pt.y+=f->font->height;
1887dd7cddfSDavid du Colombier }else
1893e12c5d1SDavid du Colombier pt.x += _frnewwid(f, pt, b);
1903e12c5d1SDavid du Colombier }
1913e12c5d1SDavid du Colombier }
1923e12c5d1SDavid du Colombier return pt;
1933e12c5d1SDavid du Colombier }
1947dd7cddfSDavid du Colombier
1953e12c5d1SDavid du Colombier int
_frstrlen(Frame * f,int nb)1963e12c5d1SDavid du Colombier _frstrlen(Frame *f, int nb)
1973e12c5d1SDavid du Colombier {
1983e12c5d1SDavid du Colombier int n;
1993e12c5d1SDavid du Colombier
2003e12c5d1SDavid du Colombier for(n=0; nb<f->nbox; nb++)
2013e12c5d1SDavid du Colombier n += NRUNE(&f->box[nb]);
2023e12c5d1SDavid du Colombier return n;
2033e12c5d1SDavid du Colombier }
204