231 lines
6.5 KiB
C
231 lines
6.5 KiB
C
/**
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* @file lv_tabview.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "lv_tabview.h"
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#if LV_USE_TABVIEW
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static void lv_tabview_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
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static void btns_event_cb(lv_obj_t * btns, lv_event_t e);
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static void cont_event_cb(lv_obj_t * cont, lv_event_t e);
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/**********************
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* STATIC VARIABLES
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**********************/
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const lv_obj_class_t lv_tabview = {
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.constructor_cb = lv_tabview_constructor,
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.base_class = &lv_obj,
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.instance_size = sizeof(lv_tabview_t)};
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static lv_dir_t tabpos_create;
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static lv_coord_t tabsize_create;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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lv_obj_t * lv_tabview_create(lv_obj_t * parent, lv_dir_t tab_pos, lv_coord_t tab_size)
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{
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tabpos_create = tab_pos;
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tabsize_create = tab_size;
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return lv_obj_create_from_class(&lv_tabview, parent, NULL);
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}
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lv_obj_t * lv_tabview_add_tab(lv_obj_t * obj, const char * name)
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{
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lv_tabview_t * tabview = (lv_tabview_t *) obj;
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lv_obj_t * cont = lv_tabview_get_content(obj);
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lv_obj_t * page = lv_obj_create(cont, NULL);
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lv_obj_clear_flag(page, LV_OBJ_FLAG_CLICK_FOCUSABLE);
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uint32_t tab_id = lv_obj_get_child_cnt(cont);
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lv_obj_set_size(page, LV_COORD_PCT(100), LV_COORD_PCT(100));
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lv_obj_t * btns = lv_tabview_get_tab_btns(obj);
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const char ** old_map = lv_btnmatrix_get_map(btns);
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const char ** new_map;
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/*top or bottom dir*/
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// if(lv_obj_get_flex_dir(tv) == LV_FLEX_DIR_COLUMN) {
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new_map = lv_mem_alloc((tab_id + 1) * sizeof(const char *));
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lv_memcpy_small(new_map, old_map, sizeof(const char *) * (tab_id - 1));
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new_map[tab_id - 1] = lv_mem_alloc(strlen(name) + 1);
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strcpy((char *)new_map[tab_id - 1], name);
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new_map[tab_id] = "";
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// }
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// /*left or right dir*/
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// else {
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// new_map = lv_mem_alloc((tab_id * 2) * sizeof(const char *));
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// lv_memcpy_small(new_map, old_map, sizeof(const char *) * tab_id * 2);
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// if(ext->tab_cnt == 0) {
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// new_map[0] = lv_mem_alloc(strlen(name) + 1);
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// strcpy((char *)new_map[0], name);
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// new_map[1] = "";
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// } else {
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// new_map[tab_id * 2 - 3] = "\n";
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// new_map[tab_id * 2 - 2] = lv_mem_alloc(strlen(name) + 1);
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// new_map[tab_id * 2 - 1] = "";
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// strcpy((char *)new_map[(tab_id * 2) - 2], name);
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// }
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// }
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lv_btnmatrix_set_map(btns, new_map);
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lv_mem_free(old_map);
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lv_btnmatrix_set_btn_ctrl_all(btns, LV_BTNMATRIX_CTRL_CHECKABLE | LV_BTNMATRIX_CTRL_CLICK_TRIG | LV_BTNMATRIX_CTRL_NO_REPEAT);
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tabview->tab_cnt++;
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if(tabview->tab_cnt == 1) {
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lv_tabview_set_act(obj, 0);
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}
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lv_btnmatrix_set_btn_ctrl(btns, tabview->tab_cur, LV_BTNMATRIX_CTRL_CHECKED);
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return page;
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}
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void lv_tabview_set_act(lv_obj_t * obj, uint32_t id)
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{
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lv_tabview_t * tabview = (lv_tabview_t *) obj;
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if(id >= tabview->tab_cnt) {
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id = tabview->tab_cnt - 1;
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}
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lv_obj_t * cont = lv_tabview_get_content(obj);
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lv_obj_t * tab = lv_obj_get_child(cont, 0);
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lv_coord_t gap = lv_obj_get_style_pad_column(cont, LV_PART_MAIN);
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lv_obj_scroll_to_x(cont, id * (gap + lv_obj_get_width(tab)), LV_ANIM_ON);
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lv_obj_t * btns = lv_tabview_get_tab_btns(obj);
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lv_btnmatrix_set_btn_ctrl(btns, id, LV_BTNMATRIX_CTRL_CHECKED);
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tabview->tab_cur = id;
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}
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uint16_t lv_tabview_get_tab_act(lv_obj_t * obj)
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{
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lv_tabview_t * tabview = (lv_tabview_t *) obj;
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return tabview->tab_cur;
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}
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lv_obj_t * lv_tabview_get_content(lv_obj_t * tv)
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{
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return lv_obj_get_child(tv, 1);
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}
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lv_obj_t * lv_tabview_get_tab_btns(lv_obj_t * tv)
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{
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return lv_obj_get_child(tv, 0);
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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static void lv_tabview_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
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{
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lv_obj_construct_base(obj, parent, copy);
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lv_tabview_t * tabview = (lv_tabview_t *) obj;
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// lv_flex_flow_t flex_dir;
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// switch(tab_pos) {
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// case LV_DIR_TOP:
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// flex_dir = LV_FLEX_DIR_COLUMN;
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// break;
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// case LV_DIR_BOTTOM:
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// flex_dir = LV_FLEX_DIR_COLUMN_REVERSE;
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// break;
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// case LV_DIR_LEFT:
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// flex_dir = LV_FLEX_DIR_ROW;
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// break;
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// case LV_DIR_RIGHT:
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// flex_dir = LV_FLEX_DIR_ROW_REVERSE;
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// break;
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// }
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lv_obj_set_size(obj, LV_COORD_PCT(100), LV_COORD_PCT(100));
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lv_obj_set_layout(obj, &lv_flex_stacked);
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lv_obj_t * btnm;
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lv_obj_t * cont;
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btnm = lv_btnmatrix_create(obj, NULL);
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cont = lv_obj_create(obj, NULL);
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lv_btnmatrix_set_one_checked(btnm, true);
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const char ** map = lv_mem_alloc(sizeof(const char *));
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map[0] = "";
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lv_btnmatrix_set_map(btnm, map);
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lv_obj_add_event_cb(btnm, btns_event_cb, NULL);
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lv_obj_add_flag(btnm, LV_OBJ_FLAG_EVENT_BUBBLE);
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lv_obj_add_event_cb(cont, cont_event_cb, NULL);
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lv_obj_set_scrollbar_mode(cont, LV_SCROLLBAR_MODE_OFF);
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switch(tabpos_create) {
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case LV_DIR_TOP:
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case LV_DIR_LEFT:
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lv_obj_set_size(btnm, LV_COORD_PCT(100), tabsize_create);
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lv_obj_set_width(cont, LV_COORD_PCT(100));
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lv_obj_set_flex_grow(cont, 1);
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break;
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case LV_DIR_BOTTOM:
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case LV_DIR_RIGHT:
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lv_obj_set_size(btnm, LV_COORD_PCT(100), tabsize_create);
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lv_obj_set_height(cont, LV_COORD_PCT(100));
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lv_obj_set_flex_grow(cont, 1);
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break;
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}
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lv_obj_set_layout(cont, &lv_flex_queue);
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lv_obj_set_snap_align_x(cont, LV_SCROLL_SNAP_ALIGN_CENTER);
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lv_obj_add_flag(cont, LV_OBJ_FLAG_SCROLL_ONE);
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lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
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}
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static void btns_event_cb(lv_obj_t * btns, lv_event_t e)
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{
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if(e == LV_EVENT_VALUE_CHANGED) {
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lv_obj_t * tv = lv_obj_get_parent(btns);
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uint32_t id = lv_btnmatrix_get_active_btn(btns);
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lv_tabview_set_act(tv, id);
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}
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}
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static void cont_event_cb(lv_obj_t * cont, lv_event_t e)
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{
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if(e == LV_EVENT_SCROLL_END) {
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lv_obj_t * tv = lv_obj_get_parent(cont);
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lv_point_t p;
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lv_obj_get_scroll_end(cont, &p);
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lv_coord_t w = lv_obj_get_width_fit(cont);
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lv_coord_t t = (p.x + w/ 2) / w;
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if(t < 0) t = 0;
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lv_tabview_set_act(tv, t);
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}
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}
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#endif /*LV_USE_TABVIEW*/
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