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#include <stdlib.h>
#include <string.h>
#include "eve.h"
#include "eve_kbd.h"
#include "screen.h"
#include "tile.h"
#include "page.h"
#include "widget/widget.h"
void eve_page_init(EVEPage *page, EVETile *tile, eve_canvas_touch_t touch, eve_canvas_draw_t draw, eve_page_open_t open, eve_page_close_t close) {
memset(page, 0, sizeof(EVEPage));
page->tile = tile;
page->handle_evt = eve_page_handle_evt;
}
void eve_page_focus(EVEPage *page, EVEPageFocus *focus) {
uint16_t tile_w, tile_h;
if (focus->w == NULL) return;
eve_tile_get_pos(page->tile, NULL, NULL, &tile_w, &tile_h);
if (focus->f.x < page->win_x) {
page->win_x -= page->win_x - focus->f.x;
}
if (focus->f.y < page->win_y) {
page->win_y -= page->win_y - focus->f.y;
}
if ((focus->f.x + focus->f.w) > (page->win_x + tile_w)) {
page->win_x += (focus->f.x + focus->f.w) - (page->win_x + tile_w);
}
if ((focus->f.y + focus->f.h) > (page->win_y + tile_h)) {
page->win_y += (focus->f.y + focus->f.h) - (page->win_y + tile_h);
}
}
void eve_page_widget_focus(EVEPageFocus *focus, EVEWidget *widget) {
focus->w = widget;
focus->f.x = widget->x;
focus->f.y = widget->y;
focus->f.w = widget->w;
focus->f.h = widget->h;
}
int eve_page_widget_visible(EVEPage *page, EVEWidget *widget) {
uint16_t tile_w, tile_h;
eve_tile_get_pos(page->tile, NULL, NULL, &tile_w, &tile_h);
if (((widget->x + widget->w) >= page->win_x) && ((widget->y + widget->h) >= page->win_y) && (widget->x <= (page->win_x + tile_w)) && (widget->y <= (page->win_y + tile_h))) return 1;
return 0;
}
void eve_page_handle_evt(EVEPage *page, struct EVEWidget *widget, EVETouch *touch, uint16_t evt, uint8_t tag0, int touch_idx) {
/*
if (evt & EVE_TOUCH_ETYPE_TRACK_Y) {
// do scroll
} else {
// go back / forward
}
*/
}
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