#include <stdlib.h>
#include <string.h>

#include "eve.h"
#include "eve_kbd.h"
#include "eve_font.h"

#include "screen/window.h"
#include "screen/page.h"

#include "widget.h"

extern const size_t _eve_widget_size[];
extern const eve_widget_create_t _eve_widget_create[];
extern const eve_widget_destroy_t _eve_widget_destroy[];

void eve_widget_init(EVEWidget *widget, uint8_t type, EVERect *g, EVEPage *page, eve_widget_draw_t draw, eve_widget_touch_t touch, eve_kbd_input_handler_t putc) {
    if (g) widget->g = *g;
    widget->page = page;
    widget->draw = draw;
    widget->touch = touch;
    widget->putc = putc;
    widget->type = type;
}

size_t eve_widget_size(uint8_t type) {
    return _eve_widget_size[type];
}

void eve_widget_set_label(EVEWidget *widget, EVELabel *label) {
    widget->label = label;
}

EVEWidget *eve_widget_next(EVEWidget *widget) {
    char *_w = (char *)widget;
    return (EVEWidget *)(_w + _eve_widget_size[widget->type]);
}

int eve_widget_create(EVEWidget *widget, EVEWidgetSpec *spec, EVEPage *page) {
    int rv;

    rv = _eve_widget_create[spec->type](widget, spec, page);
    if (!rv) eve_widget_set_flags(widget, spec->flags);

    return rv;
}

void eve_widget_destroy(EVEWidget *widget) {
    if (_eve_widget_destroy[widget->type]) _eve_widget_destroy[widget->type](widget);
}

void eve_widget_set_focus(EVEWidget *widget) {
    EVEPage *page = widget->page;

    eve_page_set_focus(page, widget);
}

void eve_widget_set_flags(EVEWidget *widget, uint8_t flags) {
    widget->flags |= flags;
}

void eve_widget_clr_flags(EVEWidget *widget, uint8_t flags) {
    widget->flags &= ~flags;
}