Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <mouse.h>
#include <frame.h>

void
frinit(Frame *f, Rectangle r, Font *ft, Image *b, Image *cols[NCOL])
{
        f->font = ft;
        f->display = b->display;
        f->maxtab = 8*stringwidth(ft, "0");
        f->nbox = 0;
        f->nalloc = 0;
        f->nchars = 0;
        f->nlines = 0;
        f->p0 = 0;
        f->p1 = 0;
        f->box = 0;
        f->lastlinefull = 0;
        if(cols != 0)
                memmove(f->cols, cols, sizeof f->cols);
        frsetrects(f, r, b);
        if(f->tick==nil && f->cols[BACK]!=0)
                frinittick(f);
}

void
frinittick(Frame *f)
{
        Image *b;
        Font *ft;

        b = f->display->screenimage;
        ft = f->font;
        if(f->tick)
                freeimage(f->tick);
        f->tick = allocimage(f->display, Rect(0, 0, FRTICKW, ft->height), b->chan, 0, DWhite);
        if(f->tick == nil)
                return;
        if(f->tickback)
                freeimage(f->tickback);
        f->tickback = allocimage(f->display, f->tick->r, b->chan, 0, DWhite);
        if(f->tickback == 0){
                freeimage(f->tick);
                f->tick = 0;
                return;
        }
        /* background color */
        draw(f->tick, f->tick->r, f->cols[BACK], nil, ZP);
        /* vertical line */
        draw(f->tick, Rect(FRTICKW/2, 0, FRTICKW/2+1, ft->height), f->cols[TEXT], nil, ZP);
        /* box on each end */
        draw(f->tick, Rect(0, 0, FRTICKW, FRTICKW), f->cols[TEXT], nil, ZP);
        draw(f->tick, Rect(0, ft->height-FRTICKW, FRTICKW, ft->height), f->cols[TEXT], nil, ZP);
}

void
frsetrects(Frame *f, Rectangle r, Image *b)
{
        f->b = b;
        f->entire = r;
        f->r = r;
        f->r.max.y -= (r.max.y-r.min.y)%f->font->height;
        f->maxlines = (r.max.y-r.min.y)/f->font->height;
}

void
frclear(Frame *f, int freeall)
{
        if(f->nbox)
                _frdelbox(f, 0, f->nbox-1);
        if(f->box)
                free(f->box);
        if(freeall){
                freeimage(f->tick);
                freeimage(f->tickback);
                f->tick = 0;
                f->tickback = 0;
        }
        f->box = 0;
        f->ticked = 0;
}