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#include <u.h>
#include <libc.h>
#include <draw.h>
#include "guifs.h"
#define Eparse "could not parse property"
PropVal
defbackground(void)
{
PropVal v;
v.colour = mkcolour(DBlack);
return v;
}
char *
printcolour(PropVal p)
{
int bufsize = 64;
char *buf = emalloc(bufsize);
snprint(buf, bufsize, "%08ulX\n", p.colour->code);
return buf;
}
char *
parsecolour(char *str, PropVal *p)
{
char *r;
ulong c = strtoul(str, &r, 16);
if((r - str) != 8)
return Eparse;
(*p).colour = mkcolour(c);
return nil;
}
PropVal
getprop(GuiElement *g, int tag)
{
for(int i = 0; i < g->nprops; i++)
if(g->props[i].tag == tag)
return g->props[i].val;
sysfatal("invalid prop for this gui element");
}
void
setprop(GuiElement *g, int tag, PropVal val)
{
/* TODO: free old propval */
for(int i = 0; i < g->nprops; i++)
if(g->props[i].tag == tag){
g->props[i].val = val;
updategui(0);
return;
}
}
PropSpec propspecs[Pmax] = {
[Pbackground] = {"background", defbackground, printcolour, parsecolour},
};
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