gen/win_button_gen.c

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/* THIS IS A GENERATED FILE, DO NOT EDIT!!! */
/* 
 * See below for forward declarations that must be defined manually in the
 * implementing C file.
 */

#include "win_button_gen.h"
#include "button_friend_gen.h"

/* Forward declarations */
/* Begin structs that must be defined manually. */

typedef struct win_button_data_st_ *win_button_data_handle;

/* End structs that must be defined manually. */

/* Forward declarations */
/* Begin functions that must be defined manually. */

static void
win_button_data_delete(win_button_data_handle *win_button_data_h);

static bool
win_button_data_create(win_button_data_handle *win_button_data_h, void *context);

static void
win_button_button_paint(button_handle button_h);

/* End functions that must be defined manually. */

typedef struct win_button_st_ {
    button_st button;
    win_button_data_handle win_button_data_h;
} win_button_st;

/*
 * This is C, we need explicit casts to each of an object's parent classes.
 */

static win_button_handle
button_cast_to_win_button (button_handle button_h)
{
    win_button_handle win_button_h = NULL;

    if (NULL != button_h) {
        win_button_h = (win_button_handle) ((uint8_t *) button_h -
            offsetof(win_button_st, button));
    }

    return (win_button_h);
}

button_handle
win_button_cast_to_button (win_button_handle win_button_h)
{
    button_handle button_h = NULL;

    if (NULL != win_button_h) {
        button_h = &(win_button_h->button);
    }

    return (button_h);
}

void
win_button_delete (win_button_handle win_button_h)
{
    if (NULL == win_button_h) {
        return;
    }

    win_button_data_delete(&(win_button_h->win_button_data_h));

    button_friend_delete(&(win_button_h->button));

    free(win_button_h);
}

static void
win_button_button_delete (button_handle button_h)
{
    if (NULL == button_h) {
        return;
    }

    win_button_delete(button_cast_to_win_button(button_h));
}

static button_vtable_st button_vtable = {
    win_button_button_paint,
    win_button_button_delete
};

static bool
win_button_init (win_button_handle win_button_h, void *context)
{
    bool rc = false;
    bool button_initialized = false;
    bool win_button_data_created = false;

    if (NULL == win_button_h) {
        return (false);
    }

    rc = button_init(&(win_button_h->button));
    if (!rc) {
        goto err_exit;
    }
    button_initialized = true;

    rc = button_set_vtable(&(win_button_h->button),
             &button_vtable);
    if (!rc) {
        goto err_exit;
    }

    rc = win_button_data_create(&(win_button_h->win_button_data_h), context);
    if (!rc) {
        goto err_exit;
    }
    win_button_data_created = true;

    return (true);

err_exit:

    if (win_button_data_created) {
        win_button_data_delete(&(win_button_h->win_button_data_h));
    }

    if (button_initialized) {
        button_friend_delete(&(win_button_h->button));
    }

    return (rc);
}