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#include <u.h>
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#include <libc.h>
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#include <draw.h>
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#include <thread.h>
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#include <mouse.h>
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#include <frame.h>
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void
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frinit(Frame *f, Rectangle r, Font *ft, Image *b, Image *cols[NCOL])
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{
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	f->font = ft;
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	f->display = b->display;
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	f->maxtab = 8*stringwidth(ft, "0");
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	f->nbox = 0;
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	f->nalloc = 0;
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	f->nchars = 0;
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	f->nlines = 0;
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	f->p0 = 0;
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	f->p1 = 0;
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	f->box = 0;
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	f->lastlinefull = 0;
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	if(cols != 0)
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		memmove(f->cols, cols, sizeof f->cols);
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	frsetrects(f, r, b);
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	if(f->tick==nil && f->cols[BACK]!=0)
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		frinittick(f);
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}
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void
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frinittick(Frame *f)
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{
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	Image *b;
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	Font *ft;
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	b = f->display->screenimage;
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	ft = f->font;
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	if(f->tick)
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		freeimage(f->tick);
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	f->tick = allocimage(f->display, Rect(0, 0, FRTICKW, ft->height), b->chan, 0, DWhite);
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	if(f->tick == nil)
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		return;
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	if(f->tickback)
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		freeimage(f->tickback);
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	f->tickback = allocimage(f->display, f->tick->r, b->chan, 0, DWhite);
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	if(f->tickback == 0){
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		freeimage(f->tick);
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		f->tick = 0;
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		return;
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	}
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	/* background color */
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	draw(f->tick, f->tick->r, f->cols[BACK], nil, ZP);
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	/* vertical line */
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	draw(f->tick, Rect(FRTICKW/2, 0, FRTICKW/2+1, ft->height), f->cols[TEXT], nil, ZP);
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	/* box on each end */
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	draw(f->tick, Rect(0, 0, FRTICKW, FRTICKW), f->cols[TEXT], nil, ZP);
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	draw(f->tick, Rect(0, ft->height-FRTICKW, FRTICKW, ft->height), f->cols[TEXT], nil, ZP);
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}
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void
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frsetrects(Frame *f, Rectangle r, Image *b)
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{
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	f->b = b;
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	f->entire = r;
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	f->r = r;
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	f->r.max.y -= (r.max.y-r.min.y)%f->font->height;
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	f->maxlines = (r.max.y-r.min.y)/f->font->height;
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}
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void
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frclear(Frame *f, int freeall)
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{
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	if(f->nbox)
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		_frdelbox(f, 0, f->nbox-1);
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	if(f->box)
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		free(f->box);
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	if(freeall){
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		freeimage(f->tick);
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		freeimage(f->tickback);
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		f->tick = 0;
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		f->tickback = 0;
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	}
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	f->box = 0;
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	f->ticked = 0;
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}