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/**
* @file lv_tileview.c
*
*/
/*********************
* INCLUDES
*********************/
#include "../../core/lv_obj_class_private.h"
#include "lv_tileview_private.h"
#include "../../indev/lv_indev.h"
#include "../../indev/lv_indev_private.h"
#if LV_USE_TILEVIEW
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
static void lv_tileview_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
static void lv_tileview_tile_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
static void tileview_event_cb(lv_event_t * e);
/**********************
* STATIC VARIABLES
**********************/
const lv_obj_class_t lv_tileview_class = {
.constructor_cb = lv_tileview_constructor,
.base_class = &lv_obj_class,
.instance_size = sizeof(lv_tileview_t),
.name = "tileview",
};
const lv_obj_class_t lv_tileview_tile_class = {
.constructor_cb = lv_tileview_tile_constructor,
.base_class = &lv_obj_class,
.instance_size = sizeof(lv_tileview_tile_t),
.name = "tile",
};
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
lv_obj_t * lv_tileview_create(lv_obj_t * parent)
{
LV_LOG_INFO("begin");
lv_obj_t * obj = lv_obj_class_create_obj(&lv_tileview_class, parent);
lv_obj_class_init_obj(obj);
return obj;
}
/*======================
* Add/remove functions
*=====================*/
lv_obj_t * lv_tileview_add_tile(lv_obj_t * tv, uint8_t col_id, uint8_t row_id, lv_dir_t dir)
{
LV_LOG_INFO("begin");
lv_obj_t * obj = lv_obj_class_create_obj(&lv_tileview_tile_class, tv);
lv_obj_class_init_obj(obj);
lv_obj_set_pos(obj, lv_pct(col_id * 100), lv_pct(row_id * 100));
lv_tileview_tile_t * tile = (lv_tileview_tile_t *)obj;
tile->dir = dir;
if(col_id == 0 && row_id == 0) {
lv_obj_set_scroll_dir(tv, dir);
}
return obj;
}
void lv_tileview_set_tile(lv_obj_t * obj, lv_obj_t * tile_obj, lv_anim_enable_t anim_en)
{
int32_t tx = lv_obj_get_x(tile_obj);
int32_t ty = lv_obj_get_y(tile_obj);
lv_tileview_tile_t * tile = (lv_tileview_tile_t *)tile_obj;
lv_tileview_t * tv = (lv_tileview_t *) obj;
tv->tile_act = (lv_obj_t *)tile;
lv_obj_set_scroll_dir(obj, tile->dir);
lv_obj_scroll_to(obj, tx, ty, anim_en);
}
void lv_tileview_set_tile_by_index(lv_obj_t * tv, uint32_t col_id, uint32_t row_id, lv_anim_enable_t anim_en)
{
lv_obj_update_layout(tv);
int32_t w = lv_obj_get_content_width(tv);
int32_t h = lv_obj_get_content_height(tv);
int32_t tx = col_id * w;
int32_t ty = row_id * h;
uint32_t i;
for(i = 0; i < lv_obj_get_child_count(tv); i++) {
lv_obj_t * tile_obj = lv_obj_get_child(tv, i);
int32_t x = lv_obj_get_x(tile_obj);
int32_t y = lv_obj_get_y(tile_obj);
if(x == tx && y == ty) {
lv_tileview_set_tile(tv, tile_obj, anim_en);
return;
}
}
LV_LOG_WARN("No tile found with at (%d,%d) index", (int)col_id, (int)row_id);
}
lv_obj_t * lv_tileview_get_tile_active(lv_obj_t * obj)
{
lv_tileview_t * tv = (lv_tileview_t *) obj;
return tv->tile_act;
}
/**********************
* STATIC FUNCTIONS
**********************/
static void lv_tileview_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
{
LV_UNUSED(class_p);
lv_obj_set_size(obj, LV_PCT(100), LV_PCT(100));
lv_obj_add_event_cb(obj, tileview_event_cb, LV_EVENT_ALL, NULL);
lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ONE);
lv_obj_set_scroll_snap_x(obj, LV_SCROLL_SNAP_CENTER);
lv_obj_set_scroll_snap_y(obj, LV_SCROLL_SNAP_CENTER);
}
static void lv_tileview_tile_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
{
LV_UNUSED(class_p);
lv_obj_set_size(obj, LV_PCT(100), LV_PCT(100));
lv_obj_update_layout(obj); /*Be sure the size is correct*/
}
static void tileview_event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * obj = lv_event_get_current_target(e);
lv_tileview_t * tv = (lv_tileview_t *) obj;
if(code == LV_EVENT_SCROLL_END) {
lv_indev_t * indev = lv_indev_active();
if(indev && indev->state == LV_INDEV_STATE_PRESSED) {
return;
}
int32_t w = lv_obj_get_content_width(obj);
int32_t h = lv_obj_get_content_height(obj);
lv_point_t scroll_end;
lv_obj_get_scroll_end(obj, &scroll_end);
int32_t left = scroll_end.x;
int32_t top = scroll_end.y;
int32_t tx = ((left + (w / 2)) / w) * w;
int32_t ty = ((top + (h / 2)) / h) * h;
lv_dir_t dir = LV_DIR_ALL;
uint32_t i;
for(i = 0; i < lv_obj_get_child_count(obj); i++) {
lv_obj_t * tile_obj = lv_obj_get_child(obj, i);
int32_t x = lv_obj_get_x(tile_obj);
int32_t y = lv_obj_get_y(tile_obj);
if(x == tx && y == ty) {
lv_tileview_tile_t * tile = (lv_tileview_tile_t *)tile_obj;
tv->tile_act = (lv_obj_t *)tile;
dir = tile->dir;
lv_obj_send_event(obj, LV_EVENT_VALUE_CHANGED, NULL);
break;
}
}
lv_obj_set_scroll_dir(obj, dir);
}
}
#endif /*LV_USE_TILEVIEW*/
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