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>
  6 b822e0d8 2003-09-30 devnull 
  7 b822e0d8 2003-09-30 devnull void
  8 b822e0d8 2003-09-30 devnull _frredraw(Frame *f, Point pt)
  9 b822e0d8 2003-09-30 devnull {
 10 b822e0d8 2003-09-30 devnull 	Frbox *b;
 11 b822e0d8 2003-09-30 devnull 	int nb;
 12 b822e0d8 2003-09-30 devnull 	/* static int x; */
 13 b822e0d8 2003-09-30 devnull 
 14 b822e0d8 2003-09-30 devnull 	for(nb=0,b=f->box; nb<f->nbox; nb++, b++){
 15 b822e0d8 2003-09-30 devnull 		_frcklinewrap(f, &pt, b);
 16 b822e0d8 2003-09-30 devnull 		if(b->nrune >= 0){
 17 b822e0d8 2003-09-30 devnull 			string(f->b, pt, f->cols[TEXT], ZP, f->font, (char *)b->ptr);
 18 b822e0d8 2003-09-30 devnull 		}
 19 b822e0d8 2003-09-30 devnull 		pt.x += b->wid;
 20 b822e0d8 2003-09-30 devnull 	}
 21 b822e0d8 2003-09-30 devnull }
 22 b822e0d8 2003-09-30 devnull 
 23 b822e0d8 2003-09-30 devnull static int
 24 b822e0d8 2003-09-30 devnull nbytes(char *s0, int nr)
 25 b822e0d8 2003-09-30 devnull {
 26 b822e0d8 2003-09-30 devnull 	char *s;
 27 b822e0d8 2003-09-30 devnull 	Rune r;
 28 b822e0d8 2003-09-30 devnull 
 29 b822e0d8 2003-09-30 devnull 	s = s0;
 30 b822e0d8 2003-09-30 devnull 	while(--nr >= 0)
 31 b822e0d8 2003-09-30 devnull 		s += chartorune(&r, s);
 32 b822e0d8 2003-09-30 devnull 	return s-s0;
 33 b822e0d8 2003-09-30 devnull }
 34 b822e0d8 2003-09-30 devnull 
 35 b822e0d8 2003-09-30 devnull void
 36 b822e0d8 2003-09-30 devnull frdrawsel(Frame *f, Point pt, ulong p0, ulong p1, int issel)
 37 b822e0d8 2003-09-30 devnull {
 38 b822e0d8 2003-09-30 devnull 	Image *back, *text;
 39 b822e0d8 2003-09-30 devnull 
 40 b822e0d8 2003-09-30 devnull 	if(f->ticked)
 41 b822e0d8 2003-09-30 devnull 		frtick(f, frptofchar(f, f->p0), 0);
 42 b822e0d8 2003-09-30 devnull 
 43 b822e0d8 2003-09-30 devnull 	if(p0 == p1){
 44 b822e0d8 2003-09-30 devnull 		frtick(f, pt, issel);
 45 b822e0d8 2003-09-30 devnull 		return;
 46 b822e0d8 2003-09-30 devnull 	}
 47 b822e0d8 2003-09-30 devnull 
 48 b822e0d8 2003-09-30 devnull 	if(issel){
 49 b822e0d8 2003-09-30 devnull 		back = f->cols[HIGH];
 50 b822e0d8 2003-09-30 devnull 		text = f->cols[HTEXT];
 51 b822e0d8 2003-09-30 devnull 	}else{
 52 b822e0d8 2003-09-30 devnull 		back = f->cols[BACK];
 53 b822e0d8 2003-09-30 devnull 		text = f->cols[TEXT];
 54 b822e0d8 2003-09-30 devnull 	}
 55 b822e0d8 2003-09-30 devnull 
 56 b822e0d8 2003-09-30 devnull 	frdrawsel0(f, pt, p0, p1, back, text);
 57 b822e0d8 2003-09-30 devnull }
 58 b822e0d8 2003-09-30 devnull 
 59 b822e0d8 2003-09-30 devnull void
 60 b822e0d8 2003-09-30 devnull frdrawsel0(Frame *f, Point pt, ulong p0, ulong p1, Image *back, Image *text)
 61 b822e0d8 2003-09-30 devnull {
 62 b822e0d8 2003-09-30 devnull 	Frbox *b;
 63 b822e0d8 2003-09-30 devnull 	int nb, nr, w, x, trim;
 64 b822e0d8 2003-09-30 devnull 	Point qt;
 65 b822e0d8 2003-09-30 devnull 	uint p;
 66 b822e0d8 2003-09-30 devnull 	char *ptr;
 67 b822e0d8 2003-09-30 devnull 
 68 b822e0d8 2003-09-30 devnull 	p = 0;
 69 b822e0d8 2003-09-30 devnull 	b = f->box;
 70 b822e0d8 2003-09-30 devnull 	trim = 0;
 71 b822e0d8 2003-09-30 devnull 	for(nb=0; nb<f->nbox && p<p1; nb++){
 72 b822e0d8 2003-09-30 devnull 		nr = b->nrune;
 73 b822e0d8 2003-09-30 devnull 		if(nr < 0)
 74 b822e0d8 2003-09-30 devnull 			nr = 1;
 75 b822e0d8 2003-09-30 devnull 		if(p+nr <= p0)
 76 b822e0d8 2003-09-30 devnull 			goto Continue;
 77 b822e0d8 2003-09-30 devnull 		if(p >= p0){
 78 b822e0d8 2003-09-30 devnull 			qt = pt;
 79 b822e0d8 2003-09-30 devnull 			_frcklinewrap(f, &pt, b);
 80 b822e0d8 2003-09-30 devnull 			if(pt.y > qt.y)
 81 b822e0d8 2003-09-30 devnull 				draw(f->b, Rect(qt.x, qt.y, f->r.max.x, pt.y), back, nil, qt);
 82 b822e0d8 2003-09-30 devnull 		}
 83 b822e0d8 2003-09-30 devnull 		ptr = (char*)b->ptr;
 84 b822e0d8 2003-09-30 devnull 		if(p < p0){	/* beginning of region: advance into box */
 85 b822e0d8 2003-09-30 devnull 			ptr += nbytes(ptr, p0-p);
 86 b822e0d8 2003-09-30 devnull 			nr -= (p0-p);
 87 b822e0d8 2003-09-30 devnull 			p = p0;
 88 b822e0d8 2003-09-30 devnull 		}
 89 b822e0d8 2003-09-30 devnull 		trim = 0;
 90 b822e0d8 2003-09-30 devnull 		if(p+nr > p1){	/* end of region: trim box */
 91 b822e0d8 2003-09-30 devnull 			nr -= (p+nr)-p1;
 92 b822e0d8 2003-09-30 devnull 			trim = 1;
 93 b822e0d8 2003-09-30 devnull 		}
 94 b822e0d8 2003-09-30 devnull 		if(b->nrune<0 || nr==b->nrune)
 95 b822e0d8 2003-09-30 devnull 			w = b->wid;
 96 b822e0d8 2003-09-30 devnull 		else
 97 b822e0d8 2003-09-30 devnull 			w = stringnwidth(f->font, ptr, nr);
 98 b822e0d8 2003-09-30 devnull 		x = pt.x+w;
 99 b822e0d8 2003-09-30 devnull 		if(x > f->r.max.x)
100 b822e0d8 2003-09-30 devnull 			x = f->r.max.x;
101 b822e0d8 2003-09-30 devnull 		draw(f->b, Rect(pt.x, pt.y, x, pt.y+f->font->height), back, nil, pt);
102 b822e0d8 2003-09-30 devnull 		if(b->nrune >= 0)
103 b822e0d8 2003-09-30 devnull 			stringn(f->b, pt, text, ZP, f->font, ptr, nr);
104 b822e0d8 2003-09-30 devnull 		pt.x += w;
105 b822e0d8 2003-09-30 devnull 	    Continue:
106 b822e0d8 2003-09-30 devnull 		b++;
107 b822e0d8 2003-09-30 devnull 		p += nr;
108 b822e0d8 2003-09-30 devnull 	}
109 b822e0d8 2003-09-30 devnull 	/* if this is end of last plain text box on wrapped line, fill to end of line */
110 b822e0d8 2003-09-30 devnull 	if(p1>p0 &&  b>f->box && b<f->box+f->nbox && b[-1].nrune>0 && !trim){
111 b822e0d8 2003-09-30 devnull 		qt = pt;
112 b822e0d8 2003-09-30 devnull 		_frcklinewrap(f, &pt, b);
113 b822e0d8 2003-09-30 devnull 		if(pt.y > qt.y)
114 b822e0d8 2003-09-30 devnull 			draw(f->b, Rect(qt.x, qt.y, f->r.max.x, pt.y), back, nil, qt);
115 b822e0d8 2003-09-30 devnull 	}
116 b822e0d8 2003-09-30 devnull }
117 b822e0d8 2003-09-30 devnull 
118 b822e0d8 2003-09-30 devnull void
119 b822e0d8 2003-09-30 devnull frtick(Frame *f, Point pt, int ticked)
120 b822e0d8 2003-09-30 devnull {
121 b822e0d8 2003-09-30 devnull 	Rectangle r;
122 b822e0d8 2003-09-30 devnull 
123 b822e0d8 2003-09-30 devnull 	if(f->ticked==ticked || f->tick==0 || !ptinrect(pt, f->r))
124 b822e0d8 2003-09-30 devnull 		return;
125 b822e0d8 2003-09-30 devnull 	pt.x--;	/* looks best just left of where requested */
126 b822e0d8 2003-09-30 devnull 	r = Rect(pt.x, pt.y, pt.x+FRTICKW, pt.y+f->font->height);
127 b822e0d8 2003-09-30 devnull 	if(ticked){
128 b822e0d8 2003-09-30 devnull 		draw(f->tickback, f->tickback->r, f->b, nil, pt);
129 b822e0d8 2003-09-30 devnull 		draw(f->b, r, f->tick, nil, ZP);
130 b822e0d8 2003-09-30 devnull 	}else
131 b822e0d8 2003-09-30 devnull 		draw(f->b, r, f->tickback, nil, ZP);
132 b822e0d8 2003-09-30 devnull 	f->ticked = ticked;
133 b822e0d8 2003-09-30 devnull }
134 b822e0d8 2003-09-30 devnull 
135 b822e0d8 2003-09-30 devnull Point
136 b822e0d8 2003-09-30 devnull _frdraw(Frame *f, Point pt)
137 b822e0d8 2003-09-30 devnull {
138 b822e0d8 2003-09-30 devnull 	Frbox *b;
139 b822e0d8 2003-09-30 devnull 	int nb, n;
140 b822e0d8 2003-09-30 devnull 
141 b822e0d8 2003-09-30 devnull 	for(b=f->box,nb=0; nb<f->nbox; nb++, b++){
142 b822e0d8 2003-09-30 devnull 		_frcklinewrap0(f, &pt, b);
143 b822e0d8 2003-09-30 devnull 		if(pt.y == f->r.max.y){
144 b822e0d8 2003-09-30 devnull 			f->nchars -= _frstrlen(f, nb);
145 b822e0d8 2003-09-30 devnull 			_frdelbox(f, nb, f->nbox-1);
146 b822e0d8 2003-09-30 devnull 			break;
147 b822e0d8 2003-09-30 devnull 		}
148 b822e0d8 2003-09-30 devnull 		if(b->nrune > 0){
149 b822e0d8 2003-09-30 devnull 			n = _frcanfit(f, pt, b);
150 b822e0d8 2003-09-30 devnull 			if(n == 0)
151 b822e0d8 2003-09-30 devnull 				drawerror(f->display, "draw: _frcanfit==0");
152 b822e0d8 2003-09-30 devnull 			if(n != b->nrune){
153 b822e0d8 2003-09-30 devnull 				_frsplitbox(f, nb, n);
154 b822e0d8 2003-09-30 devnull 				b = &f->box[nb];
155 b822e0d8 2003-09-30 devnull 			}
156 b822e0d8 2003-09-30 devnull 			pt.x += b->wid;
157 b822e0d8 2003-09-30 devnull 		}else{
158 b822e0d8 2003-09-30 devnull 			if(b->bc == '\n'){
159 b822e0d8 2003-09-30 devnull 				pt.x = f->r.min.x;
160 b822e0d8 2003-09-30 devnull 				pt.y+=f->font->height;
161 b822e0d8 2003-09-30 devnull 			}else
162 b822e0d8 2003-09-30 devnull 				pt.x += _frnewwid(f, pt, b);
163 b822e0d8 2003-09-30 devnull 		}
164 b822e0d8 2003-09-30 devnull 	}
165 b822e0d8 2003-09-30 devnull 	return pt;
166 b822e0d8 2003-09-30 devnull }
167 b822e0d8 2003-09-30 devnull 
168 b822e0d8 2003-09-30 devnull int
169 b822e0d8 2003-09-30 devnull _frstrlen(Frame *f, int nb)
170 b822e0d8 2003-09-30 devnull {
171 b822e0d8 2003-09-30 devnull 	int n;
172 b822e0d8 2003-09-30 devnull 
173 b822e0d8 2003-09-30 devnull 	for(n=0; nb<f->nbox; nb++)
174 b822e0d8 2003-09-30 devnull 		n += NRUNE(&f->box[nb]);
175 b822e0d8 2003-09-30 devnull 	return n;
176 b822e0d8 2003-09-30 devnull }