rts/src/gui/src/checkbox.c

72 lines
1.4 KiB
C

#include <gui.h>
#include <gui/checkbox.h>
#include <gui_private.h>
#include <gfx.h>
#include <stdbool.h>
struct sprite gui_checkbox_sprite;
static int render(const struct gui_common *const g)
{
const struct gui_checkbox *const c = (const struct gui_checkbox *)g;
sprite_get_or_ret(s, -1);
if (sprite_clone(&gui_checkbox_sprite, s))
return -1;
gui_coords(g, &s->x, &s->y);
s->w /= 2;
if (c->active)
s->u += s->w;
sprite_sort(s);
return 0;
}
static void get_dim(const struct gui_common *const g,
short *const w, short *const h)
{
*w = gui_checkbox_sprite.w / 2;
*h = gui_checkbox_sprite.h;
}
static int update(struct gui_common *const g,
const union peripheral *const p, const struct camera *const cam,
struct input *const in)
{
struct gui_checkbox *const c = (struct gui_checkbox *)g;
short w, h;
get_dim(g, &w, &h);
if (gui_pressed(g, in, p, cam, w, h))
{
c->active ^= true;
if (c->on_pressed)
c->on_pressed(c->active, c->arg);
}
return 0;
}
void gui_checkbox_init(struct gui_checkbox *const c)
{
static const struct gui_common_cb cb =
{
.get_dim = get_dim,
.update = update,
.render = render
};
*c = (const struct gui_checkbox)
{
.common =
{
.cb = &cb
}
};
}