1 b822e0d8 2003-09-30 devnull #include <u.h>
2 b822e0d8 2003-09-30 devnull #include <libc.h>
3 b822e0d8 2003-09-30 devnull #include <draw.h>
4 b822e0d8 2003-09-30 devnull #include <mouse.h>
5 b822e0d8 2003-09-30 devnull #include <frame.h>
8 57851b64 2008-03-07 rsc _frdrawtext(Frame *f, Point pt, Image *text, Image *back)
10 b822e0d8 2003-09-30 devnull Frbox *b;
13 b822e0d8 2003-09-30 devnull for(nb=0,b=f->box; nb<f->nbox; nb++, b++){
14 b822e0d8 2003-09-30 devnull _frcklinewrap(f, &pt, b);
15 f6cb9833 2005-10-29 devnull if(!f->noredraw && b->nrune >= 0)
16 57851b64 2008-03-07 rsc stringbg(f->b, pt, text, ZP, f->font, (char*)b->ptr, back, ZP);
17 b822e0d8 2003-09-30 devnull pt.x += b->wid;
21 b822e0d8 2003-09-30 devnull static int
22 b822e0d8 2003-09-30 devnull nbytes(char *s0, int nr)
28 b822e0d8 2003-09-30 devnull while(--nr >= 0)
29 b822e0d8 2003-09-30 devnull s += chartorune(&r, s);
30 b822e0d8 2003-09-30 devnull return s-s0;
34 024c9812 2007-05-10 devnull frdrawsel(Frame *f, Point pt, ulong p0, ulong p1, int issel)
36 b822e0d8 2003-09-30 devnull Image *back, *text;
38 b822e0d8 2003-09-30 devnull if(f->ticked)
39 b822e0d8 2003-09-30 devnull frtick(f, frptofchar(f, f->p0), 0);
41 b822e0d8 2003-09-30 devnull if(p0 == p1){
42 024c9812 2007-05-10 devnull frtick(f, pt, issel);
46 b822e0d8 2003-09-30 devnull if(issel){
47 b822e0d8 2003-09-30 devnull back = f->cols[HIGH];
48 b822e0d8 2003-09-30 devnull text = f->cols[HTEXT];
50 b822e0d8 2003-09-30 devnull back = f->cols[BACK];
51 b822e0d8 2003-09-30 devnull text = f->cols[TEXT];
54 b822e0d8 2003-09-30 devnull frdrawsel0(f, pt, p0, p1, back, text);
58 b822e0d8 2003-09-30 devnull frdrawsel0(Frame *f, Point pt, ulong p0, ulong p1, Image *back, Image *text)
60 b822e0d8 2003-09-30 devnull Frbox *b;
61 b822e0d8 2003-09-30 devnull int nb, nr, w, x, trim;
62 b822e0d8 2003-09-30 devnull Point qt;
64 b822e0d8 2003-09-30 devnull char *ptr;
67 fff818fe 2014-12-02 rsc sysfatal("libframe: frdrawsel0 p0=%lud > p1=%lud", p0, p1);
70 b822e0d8 2003-09-30 devnull b = f->box;
71 b822e0d8 2003-09-30 devnull trim = 0;
72 b822e0d8 2003-09-30 devnull for(nb=0; nb<f->nbox && p<p1; nb++){
73 b822e0d8 2003-09-30 devnull nr = b->nrune;
74 b822e0d8 2003-09-30 devnull if(nr < 0)
76 b822e0d8 2003-09-30 devnull if(p+nr <= p0)
77 b822e0d8 2003-09-30 devnull goto Continue;
78 b822e0d8 2003-09-30 devnull if(p >= p0){
80 b822e0d8 2003-09-30 devnull _frcklinewrap(f, &pt, b);
81 57851b64 2008-03-07 rsc /* fill in the end of a wrapped line */
82 b822e0d8 2003-09-30 devnull if(pt.y > qt.y)
83 b822e0d8 2003-09-30 devnull draw(f->b, Rect(qt.x, qt.y, f->r.max.x, pt.y), back, nil, qt);
85 b822e0d8 2003-09-30 devnull ptr = (char*)b->ptr;
86 b822e0d8 2003-09-30 devnull if(p < p0){ /* beginning of region: advance into box */
87 b822e0d8 2003-09-30 devnull ptr += nbytes(ptr, p0-p);
88 b822e0d8 2003-09-30 devnull nr -= (p0-p);
91 b822e0d8 2003-09-30 devnull trim = 0;
92 b822e0d8 2003-09-30 devnull if(p+nr > p1){ /* end of region: trim box */
93 b822e0d8 2003-09-30 devnull nr -= (p+nr)-p1;
94 b822e0d8 2003-09-30 devnull trim = 1;
96 b822e0d8 2003-09-30 devnull if(b->nrune<0 || nr==b->nrune)
97 b822e0d8 2003-09-30 devnull w = b->wid;
99 b822e0d8 2003-09-30 devnull w = stringnwidth(f->font, ptr, nr);
100 b822e0d8 2003-09-30 devnull x = pt.x+w;
101 b822e0d8 2003-09-30 devnull if(x > f->r.max.x)
102 b822e0d8 2003-09-30 devnull x = f->r.max.x;
103 b822e0d8 2003-09-30 devnull draw(f->b, Rect(pt.x, pt.y, x, pt.y+f->font->height), back, nil, pt);
104 b822e0d8 2003-09-30 devnull if(b->nrune >= 0)
105 57851b64 2008-03-07 rsc stringnbg(f->b, pt, text, ZP, f->font, ptr, nr, back, ZP);
106 b822e0d8 2003-09-30 devnull pt.x += w;
107 b822e0d8 2003-09-30 devnull Continue:
109 b822e0d8 2003-09-30 devnull p += nr;
111 b822e0d8 2003-09-30 devnull /* if this is end of last plain text box on wrapped line, fill to end of line */
112 b822e0d8 2003-09-30 devnull if(p1>p0 && b>f->box && b<f->box+f->nbox && b[-1].nrune>0 && !trim){
113 b822e0d8 2003-09-30 devnull qt = pt;
114 b822e0d8 2003-09-30 devnull _frcklinewrap(f, &pt, b);
115 b822e0d8 2003-09-30 devnull if(pt.y > qt.y)
116 b822e0d8 2003-09-30 devnull draw(f->b, Rect(qt.x, qt.y, f->r.max.x, pt.y), back, nil, qt);
122 57851b64 2008-03-07 rsc frredraw(Frame *f)
127 57851b64 2008-03-07 rsc if(f->p0 == f->p1){
128 57851b64 2008-03-07 rsc ticked = f->ticked;
130 57851b64 2008-03-07 rsc frtick(f, frptofchar(f, f->p0), 0);
131 57851b64 2008-03-07 rsc frdrawsel0(f, frptofchar(f, 0), 0, f->nchars, f->cols[BACK], f->cols[TEXT]);
133 57851b64 2008-03-07 rsc frtick(f, frptofchar(f, f->p0), 1);
137 57851b64 2008-03-07 rsc pt = frptofchar(f, 0);
138 57851b64 2008-03-07 rsc pt = frdrawsel0(f, pt, 0, f->p0, f->cols[BACK], f->cols[TEXT]);
139 57851b64 2008-03-07 rsc pt = frdrawsel0(f, pt, f->p0, f->p1, f->cols[HIGH], f->cols[HTEXT]);
140 57851b64 2008-03-07 rsc pt = frdrawsel0(f, pt, f->p1, f->nchars, f->cols[BACK], f->cols[TEXT]);
144 cc954796 2012-11-26 rsc _frtick(Frame *f, Point pt, int ticked)
146 b822e0d8 2003-09-30 devnull Rectangle r;
148 b822e0d8 2003-09-30 devnull if(f->ticked==ticked || f->tick==0 || !ptinrect(pt, f->r))
150 cc954796 2012-11-26 rsc pt.x -= f->tickscale; /* looks best just left of where requested */
151 cc954796 2012-11-26 rsc r = Rect(pt.x, pt.y, pt.x+FRTICKW*f->tickscale, pt.y+f->font->height);
152 cee7a6ab 2006-01-12 devnull /* can go into left border but not right */
153 cee7a6ab 2006-01-12 devnull if(r.max.x > f->r.max.x)
154 cee7a6ab 2006-01-12 devnull r.max.x = f->r.max.x;
155 b822e0d8 2003-09-30 devnull if(ticked){
156 b822e0d8 2003-09-30 devnull draw(f->tickback, f->tickback->r, f->b, nil, pt);
157 b822e0d8 2003-09-30 devnull draw(f->b, r, f->tick, nil, ZP);
159 b822e0d8 2003-09-30 devnull draw(f->b, r, f->tickback, nil, ZP);
160 b822e0d8 2003-09-30 devnull f->ticked = ticked;
164 cc954796 2012-11-26 rsc frtick(Frame *f, Point pt, int ticked)
166 cc954796 2012-11-26 rsc if(f->tickscale != scalesize(f->display, 1)) {
167 cc954796 2012-11-26 rsc if(f->ticked)
168 cc954796 2012-11-26 rsc _frtick(f, pt, 0);
169 cc954796 2012-11-26 rsc frinittick(f);
171 cc954796 2012-11-26 rsc _frtick(f, pt, ticked);
175 b822e0d8 2003-09-30 devnull _frdraw(Frame *f, Point pt)
177 b822e0d8 2003-09-30 devnull Frbox *b;
178 b822e0d8 2003-09-30 devnull int nb, n;
180 b822e0d8 2003-09-30 devnull for(b=f->box,nb=0; nb<f->nbox; nb++, b++){
181 b822e0d8 2003-09-30 devnull _frcklinewrap0(f, &pt, b);
182 b822e0d8 2003-09-30 devnull if(pt.y == f->r.max.y){
183 b822e0d8 2003-09-30 devnull f->nchars -= _frstrlen(f, nb);
184 b822e0d8 2003-09-30 devnull _frdelbox(f, nb, f->nbox-1);
187 b822e0d8 2003-09-30 devnull if(b->nrune > 0){
188 b822e0d8 2003-09-30 devnull n = _frcanfit(f, pt, b);
189 b822e0d8 2003-09-30 devnull if(n == 0)
191 b822e0d8 2003-09-30 devnull if(n != b->nrune){
192 b822e0d8 2003-09-30 devnull _frsplitbox(f, nb, n);
193 b822e0d8 2003-09-30 devnull b = &f->box[nb];
195 b822e0d8 2003-09-30 devnull pt.x += b->wid;
197 b822e0d8 2003-09-30 devnull if(b->bc == '\n'){
198 b822e0d8 2003-09-30 devnull pt.x = f->r.min.x;
199 b822e0d8 2003-09-30 devnull pt.y+=f->font->height;
201 b822e0d8 2003-09-30 devnull pt.x += _frnewwid(f, pt, b);
204 b822e0d8 2003-09-30 devnull return pt;
208 b822e0d8 2003-09-30 devnull _frstrlen(Frame *f, int nb)
212 b822e0d8 2003-09-30 devnull for(n=0; nb<f->nbox; nb++)
213 b822e0d8 2003-09-30 devnull n += NRUNE(&f->box[nb]);
214 b822e0d8 2003-09-30 devnull return n;