1 #include <u.h>
2 #include <libc.h>
3 #include <draw.h>
4 #include <mouse.h>
5 #include <frame.h>
6 
7 void
8 frinit(Frame *f, Rectangle r, Font *ft, Image *b, Image *cols[NCOL])
9 {
10 	f->font = ft;
11 	f->display = b->display;
12 	f->maxtab = 8*stringwidth(ft, "0");
13 	f->nbox = 0;
14 	f->nalloc = 0;
15 	f->nchars = 0;
16 	f->nlines = 0;
17 	f->p0 = 0;
18 	f->p1 = 0;
19 	f->box = 0;
20 	f->lastlinefull = 0;
21 	if(cols != 0)
22 		memmove(f->cols, cols, sizeof f->cols);
23 	frsetrects(f, r, b);
24 	if(f->tick==nil && f->cols[BACK]!=0)
25 		frinittick(f);
26 }
27 
28 void
29 frinittick(Frame *f)
30 {
31 	Image *b;
32 	Font *ft;
33 
34 	b = f->display->screenimage;
35 	ft = f->font;
36 	if(f->tick)
37 		freeimage(f->tick);
38 	f->tick = allocimage(f->display, Rect(0, 0, FRTICKW, ft->height), b->chan, 0, DWhite);
39 	if(f->tick == nil)
40 		return;
41 	if(f->tickback)
42 		freeimage(f->tickback);
43 	f->tickback = allocimage(f->display, f->tick->r, b->chan, 0, DWhite);
44 	if(f->tickback == 0){
45 		freeimage(f->tick);
46 		f->tick = 0;
47 		return;
48 	}
49 	/* background color */
50 	draw(f->tick, f->tick->r, f->cols[BACK], nil, ZP);
51 	/* vertical line */
52 	draw(f->tick, Rect(FRTICKW/2, 0, FRTICKW/2+1, ft->height), f->display->black, nil, ZP);
53 	/* box on each end */
54 	draw(f->tick, Rect(0, 0, FRTICKW, FRTICKW), f->cols[TEXT], nil, ZP);
55 	draw(f->tick, Rect(0, ft->height-FRTICKW, FRTICKW, ft->height), f->cols[TEXT], nil, ZP);
56 }
57 
58 void
59 frsetrects(Frame *f, Rectangle r, Image *b)
60 {
61 	f->b = b;
62 	f->entire = r;
63 	f->r = r;
64 	f->r.max.y -= (r.max.y-r.min.y)%f->font->height;
65 	f->maxlines = (r.max.y-r.min.y)/f->font->height;
66 }
67 
68 void
69 frclear(Frame *f, int freeall)
70 {
71 	if(f->nbox)
72 		_frdelbox(f, 0, f->nbox-1);
73 	if(f->box)
74 		free(f->box);
75 	if(freeall){
76 		freeimage(f->tick);
77 		freeimage(f->tickback);
78 		f->tick = 0;
79 		f->tickback = 0;
80 	}
81 	f->box = 0;
82 	f->ticked = 0;
83 }