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#include <stdint.h>
#define EVE_PAGE_OPT_SCROLL_X 0x01
#define EVE_PAGE_OPT_SCROLL_Y 0x02
#define EVE_PAGE_OPT_SCROLL_BACK 0x04
#define EVE_PAGE_OPT_TRACK_EXT_X 0x10
#define EVE_PAGE_OPT_TRACK_EXT_Y 0x20
#define EVE_PAGE_OPT_SCROLL_XY (EVE_PAGE_OPT_SCROLL_X | EVE_PAGE_OPT_SCROLL_Y)
#define EVE_PAGE_OPT_TRACK_EXT_XY (EVE_PAGE_OPT_TRACK_EXT_X | EVE_PAGE_OPT_TRACK_EXT_Y)
struct EVEWidget;
struct EVEPage;
typedef uint8_t (*eve_page_draw_t) (struct EVEPage *, uint8_t);
typedef int (*eve_page_touch_t) (struct EVEPage *, EVETouch *, uint16_t);
typedef void (*eve_page_uievt_t) (struct EVEPage *, uint16_t, void *);
typedef void (*eve_page_destructor_t) (struct EVEPage *);
typedef struct EVEPage {
EVEView v;
EVERect g;
int16_t x0;
int16_t y0;
EVEVStack *stack;
eve_page_destructor_t destructor;
struct EVEWidget *widget;
uint16_t widget_size;
struct EVEWidget *widget_f;
EVEPhyLHO lho;
uint8_t track_mode;
uint8_t opt;
} EVEPage;
void eve_page_init(EVEPage *page, EVEWindow *window, EVEVStack *stack, struct EVEWidget *widget, uint16_t widget_size, uint8_t opt, eve_page_draw_t draw, eve_page_touch_t touch, eve_page_uievt_t uievt, eve_page_destructor_t destructor);
void eve_page_attach(EVEPage *page, EVEWindow *window, void *page_id);
void eve_page_detach(EVEPage *page);
void eve_page_set_param(EVEPage *page, void *param);
EVEView *eve_page_view(EVEPage *page);
EVEPage *eve_page_from_view(EVEView *view);
struct EVEWidget *eve_page_widget(EVEPage *page, uint16_t idx);
struct EVEWidget *eve_page_widget_search(EVEPage *page, char *label);
void eve_page_set_widget(EVEPage *page, struct EVEWidget *widget, uint16_t widget_size);
void eve_page_open(EVEPage *parent, eve_view_constructor_t constructor);
void eve_page_close(EVEPage *page);
/* Screen to page coordinates */
int16_t eve_page_x(EVEPage *page, int16_t x);
int16_t eve_page_y(EVEPage *page, int16_t y);
/* Page to window coordinates */
int16_t eve_page_win_x(EVEPage *page, int16_t x);
int16_t eve_page_win_y(EVEPage *page, int16_t y);
/* Page to screen coordinates */
int16_t eve_page_scr_x(EVEPage *page, int16_t x);
int16_t eve_page_scr_y(EVEPage *page, int16_t y);
int eve_page_rect_visible(EVEPage *page, EVERect *rect);
void eve_page_show_rect(EVEPage *page, EVERect *rect);
int eve_page_oob(EVEPage *page, int *min_x, int *min_y);
struct EVEWidget *eve_page_focus(EVEPage *page);
void eve_page_set_focus(EVEPage *page, struct EVEWidget *widget);
uint8_t eve_page_draw(EVEPage *page, uint8_t tag0);
int eve_page_touch(EVEPage *page, EVETouch *touch, uint16_t evt);
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