/** * @file lv_tileview.c * */ /********************* * INCLUDES *********************/ #include "lv_tileview_private.h" #include "../../core/lv_obj_class_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*/