Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <mouse.h>
#include <keyboard.h>
#include <control.h>

typedef struct Box Box;

struct Box
{
        Control;
        int             border;
        CImage  *bordercolor;
        CImage  *image;
        int             align;
};

enum{
        EAlign,
        EBorder,
        EBordercolor,
        EFocus,
        EHide,
        EImage,
        ERect,
        EReveal,
        EShow,
        ESize,
};

static char *cmds[] = {
        [EAlign] =              "align",
        [EBorder] =     "border",
        [EBordercolor] ="bordercolor",
        [EFocus] =      "focus",
        [EHide] =               "hide",
        [EImage] =      "image",
        [ERect] =               "rect",
        [EReveal] =     "reveal",
        [EShow] =               "show",
        [ESize] =               "size",
        nil
};

static void
boxkey(Control *c, Rune *rp)
{
        Box *b;

        b = (Box*)c;
        chanprint(b->event, "%q: key 0x%x", b->name, rp[0]);
}

static void
boxmouse(Control *c, Mouse *m)
{
        Box *b;

        b = (Box*)c;
        if (ptinrect(m->xy,b->rect))
                chanprint(b->event, "%q: mouse %P %d %ld", b->name,
                        m->xy, m->buttons, m->msec);
}

static void
boxfree(Control *c)
{
        _putctlimage(((Box*)c)->image);
}

static void
boxshow(Box *b)
{
        Image *i;
        Rectangle r;

        if(b->hidden)
                return;
        if(b->border > 0){
                border(b->screen, b->rect, b->border, b->bordercolor->image, ZP);
                r = insetrect(b->rect, b->border);
        }else
                r = b->rect;
        i = b->image->image;
        /* BUG: ALIGNMENT AND CLIPPING */
        draw(b->screen, r, i, nil, ZP);
}

static void
boxctl(Control *c, CParse *cp)
{
        int cmd;
        Rectangle r;
        Box *b;

        b = (Box*)c;
        cmd = _ctllookup(cp->args[0], cmds, nelem(cmds));
        switch(cmd){
        default:
                ctlerror("%q: unrecognized message '%s'", b->name, cp->str);
                break;
        case EAlign:
                _ctlargcount(b, cp, 2);
                b->align = _ctlalignment(cp->args[1]);
                break;
        case EBorder:
                _ctlargcount(b, cp, 2);
                if(cp->iargs[1] < 0)
                        ctlerror("%q: bad border: %c", b->name, cp->str);
                b->border = cp->iargs[1];
                break;
        case EBordercolor:
                _ctlargcount(b, cp, 2);
                _setctlimage(b, &b->bordercolor, cp->args[1]);
                break;
        case EFocus:
                _ctlargcount(b, cp, 2);
                chanprint(b->event, "%q: focus %s", b->name, cp->args[1]);
                break;
        case EHide:
                _ctlargcount(b, cp, 1);
                b->hidden = 1;
                break;
        case EImage:
                _ctlargcount(b, cp, 2);
                _setctlimage(b, &b->image, cp->args[1]);
                break;
        case ERect:
                _ctlargcount(b, cp, 5);
                r.min.x = cp->iargs[1];
                r.min.y = cp->iargs[2];
                r.max.x = cp->iargs[3];
                r.max.y = cp->iargs[4];
                if(Dx(r)<0 || Dy(r)<0)
                        ctlerror("%q: bad rectangle: %s", b->name, cp->str);
                b->rect = r;
                break;
        case EReveal:
                _ctlargcount(b, cp, 1);
                b->hidden = 0;
                boxshow(b);
                break;
        case EShow:
                _ctlargcount(b, cp, 1);
                boxshow(b);
                break;
        case ESize:
                if (cp->nargs == 3)
                        r.max = Pt(0x7fffffff, 0x7fffffff);
                else{
                        _ctlargcount(b, cp, 5);
                        r.max.x = cp->iargs[3];
                        r.max.y = cp->iargs[4];
                }
                r.min.x = cp->iargs[1];
                r.min.y = cp->iargs[2];
                if(r.min.x<=0 || r.min.y<=0 || r.max.x<=0 || r.max.y<=0 || r.max.x < r.min.x || r.max.y < r.min.y)
                        ctlerror("%q: bad sizes: %s", b->name, cp->str);
                b->size.min = r.min;
                b->size.max = r.max;
                break;
        }
}

Control*
createbox(Controlset *cs, char *name)
{
        Box *b;

        b = (Box *)_createctl(cs, "box", sizeof(Box), name);
        b->image = _getctlimage("white");
        b->bordercolor = _getctlimage("black");
        b->align = Aupperleft;
        b->key = boxkey;
        b->mouse = boxmouse;
        b->ctl = boxctl;
        b->exit = boxfree;
        return (Control *)b;
}