Function nk_widget

extern/glfw/deps/nuklear.h:18908–18955

    return nk_input_has_mouse_click_down_in_rect(&ctx->input, btn, bounds, down);
}
NK_API enum nk_widget_layout_states
nk_widget(struct nk_rect *bounds, const struct nk_context *ctx)
{
    struct nk_rect c, v;
    struct nk_window *win;
    struct nk_panel *layout;
    const struct nk_input *in;

    NK_ASSERT(ctx);
    NK_ASSERT(ctx->current);
    NK_ASSERT(ctx->current->layout);
    if (!ctx || !ctx->current || !ctx->current->layout)
        return NK_WIDGET_INVALID;

    /* allocate space and check if the widget needs to be updated and drawn */
    nk_panel_alloc_space(bounds, ctx);
    win = ctx->current;
    layout = win->layout;
    in = &ctx->input;
    c = layout->clip;

    /*  if one of these triggers you forgot to add an `if` condition around either
        a window, group, popup, combobox or contextual menu `begin` and `end` block.
        Example:
            if (nk_begin(...) {...} nk_end(...); or
            if (nk_group_begin(...) { nk_group_end(...);} */
    NK_ASSERT(!(layout->flags & NK_WINDOW_MINIMIZED));
    NK_ASSERT(!(layout->flags & NK_WINDOW_HIDDEN));
    NK_ASSERT(!(layout->flags & NK_WINDOW_CLOSED));

    /* need to convert to int here to remove floating point errors */
    bounds->x = (float)((int)bounds->x);
    bounds->y = (float)((int)bounds->y);
    bounds->w = (float)((int)bounds->w);
    bounds->h = (float)((int)bounds->h);

    c.x = (float)((int)c.x);
    c.y = (float)((int)c.y);
    c.w = (float)((int)c.w);
    c.h = (float)((int)c.h);

    nk_unify(&v, &c, bounds->x, bounds->y, bounds->x + bounds->w, bounds->y + bounds->h);
    if (!NK_INTERSECT(c.x, c.y, c.w, c.h, bounds->x, bounds->y, bounds->w, bounds->h))
        return NK_WIDGET_INVALID;
    if (!NK_INBOX(in->mouse.pos.x, in->mouse.pos.y, v.x, v.y, v.w, v.h))
        return NK_WIDGET_ROM;
    return NK_WIDGET_VALID;
}
NK_API enum nk_widget_layout_states
nk_widget_fitting(struct nk_rect *bounds, struct nk_context *ctx,
    struct nk_vec2 item_padding)