/** * @file lv_table.c * */ /********************* * INCLUDES *********************/ #include "lv_table.h" #if LV_USE_TABLE != 0 #include "../core/lv_indev.h" #include "../misc/lv_assert.h" #include "../misc/lv_txt.h" #include "../misc/lv_txt_ap.h" #include "../misc/lv_math.h" #include "../misc/lv_printf.h" #include "../draw/lv_draw.h" /********************* * DEFINES *********************/ #define MY_CLASS &lv_table_class /********************** * TYPEDEFS **********************/ /********************** * STATIC PROTOTYPES **********************/ static void lv_table_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj); static void lv_table_destructor(const lv_obj_class_t * class_p, lv_obj_t * obj); static void lv_table_event(const lv_obj_class_t * class_p, lv_event_t * e); static void draw_main(lv_event_t * e); static lv_coord_t get_row_height(lv_obj_t * obj, uint16_t row_id, const lv_font_t * font, lv_coord_t letter_space, lv_coord_t line_space, lv_coord_t cell_left, lv_coord_t cell_right, lv_coord_t cell_top, lv_coord_t cell_bottom); static void refr_size(lv_obj_t * obj, uint32_t strat_row); static lv_res_t get_pressed_cell(lv_obj_t * obj, uint16_t * row, uint16_t * col); /********************** * STATIC VARIABLES **********************/ const lv_obj_class_t lv_table_class = { .constructor_cb = lv_table_constructor, .destructor_cb = lv_table_destructor, .event_cb = lv_table_event, .width_def = LV_SIZE_CONTENT, .height_def = LV_SIZE_CONTENT, .base_class = &lv_obj_class, .editable = LV_OBJ_CLASS_EDITABLE_TRUE, .group_def = LV_OBJ_CLASS_GROUP_DEF_TRUE, .instance_size = sizeof(lv_table_t), }; /********************** * MACROS **********************/ /********************** * GLOBAL FUNCTIONS **********************/ lv_obj_t * lv_table_create(lv_obj_t * parent) { LV_LOG_INFO("begin"); lv_obj_t * obj = lv_obj_class_create_obj(MY_CLASS, parent); lv_obj_class_init_obj(obj); return obj; } /*===================== * Setter functions *====================*/ void lv_table_set_cell_value(lv_obj_t * obj, uint16_t row, uint16_t col, const char * txt) { LV_ASSERT_OBJ(obj, MY_CLASS); LV_ASSERT_NULL(txt); lv_table_t * table = (lv_table_t *)obj; /*Auto expand*/ if(col >= table->col_cnt) lv_table_set_col_cnt(obj, col + 1); if(row >= table->row_cnt) lv_table_set_row_cnt(obj, row + 1); uint32_t cell = row * table->col_cnt + col; lv_table_cell_ctrl_t ctrl = 0; /*Save the control byte*/ if(table->cell_data[cell]) ctrl = table->cell_data[cell][0]; #if LV_USE_ARABIC_PERSIAN_CHARS /*Get the size of the Arabic text and process it*/ size_t len_ap = _lv_txt_ap_calc_bytes_cnt(txt); table->cell_data[cell] = lv_mem_realloc(table->cell_data[cell], len_ap + 1); LV_ASSERT_MALLOC(table->cell_data[cell]); if(table->cell_data[cell] == NULL) return; _lv_txt_ap_proc(txt, &table->cell_data[cell][1]); #else table->cell_data[cell] = lv_mem_realloc(table->cell_data[cell], strlen(txt) + 2); /*+1: trailing '\0; +1: format byte*/ LV_ASSERT_MALLOC(table->cell_data[cell]); strcpy(table->cell_data[cell] + 1, txt); /*+1 to skip the format byte*/ #endif table->cell_data[cell][0] = ctrl; refr_size(obj, row); lv_obj_invalidate(obj); } void lv_table_set_cell_value_fmt(lv_obj_t * obj, uint16_t row, uint16_t col, const char * fmt, ...) { LV_ASSERT_OBJ(obj, MY_CLASS); LV_ASSERT_NULL(fmt); lv_table_t * table = (lv_table_t *)obj; if(col >= table->col_cnt) { LV_LOG_WARN("lv_table_set_cell_value: invalid column"); return; } /*Auto expand*/ if(row >= table->row_cnt) { lv_table_set_row_cnt(obj, row + 1); } uint32_t cell = row * table->col_cnt + col; lv_table_cell_ctrl_t ctrl = 0; /*Save the control byte*/ if(table->cell_data[cell]) ctrl = table->cell_data[cell][0]; va_list ap, ap2; va_start(ap, fmt); va_copy(ap2, ap); /*Allocate space for the new text by using trick from C99 standard section 7.19.6.12*/ uint32_t len = lv_vsnprintf(NULL, 0, fmt, ap); va_end(ap); #if LV_USE_ARABIC_PERSIAN_CHARS /*Put together the text according to the format string*/ char * raw_txt = lv_mem_buf_get(len + 1); LV_ASSERT_MALLOC(raw_txt); if(raw_txt == NULL) { va_end(ap2); return; } lv_vsnprintf(raw_txt, len + 1, fmt, ap2); /*Get the size of the Arabic text and process it*/ size_t len_ap = _lv_txt_ap_calc_bytes_cnt(raw_txt); table->cell_data[cell] = lv_mem_realloc(table->cell_data[cell], len_ap + 1); LV_ASSERT_MALLOC(table->cell_data[cell]); if(table->cell_data[cell] == NULL) { va_end(ap2); return; } _lv_txt_ap_proc(raw_txt, &table->cell_data[cell][1]); lv_mem_buf_release(raw_txt); #else table->cell_data[cell] = lv_mem_realloc(table->cell_data[cell], len + 2); /*+1: trailing '\0; +1: format byte*/ LV_ASSERT_MALLOC(table->cell_data[cell]); if(table->cell_data[cell] == NULL) { va_end(ap2); return; } table->cell_data[cell][len + 1] = 0; /*Ensure NULL termination*/ lv_vsnprintf(&table->cell_data[cell][1], len + 1, fmt, ap2); #endif va_end(ap2); table->cell_data[cell][0] = ctrl; /*Refresh the row height*/ lv_coord_t cell_left = lv_obj_get_style_pad_left(obj, LV_PART_ITEMS); lv_coord_t cell_right = lv_obj_get_style_pad_right(obj, LV_PART_ITEMS); lv_coord_t cell_top = lv_obj_get_style_pad_top(obj, LV_PART_ITEMS); lv_coord_t cell_bottom = lv_obj_get_style_pad_bottom(obj, LV_PART_ITEMS); lv_coord_t letter_space = lv_obj_get_style_text_letter_space(obj, LV_PART_ITEMS); lv_coord_t line_space = lv_obj_get_style_text_line_space(obj, LV_PART_ITEMS); const lv_font_t * font = lv_obj_get_style_text_font(obj, LV_PART_ITEMS); lv_coord_t h = get_row_height(obj, row, font, letter_space, line_space, cell_left, cell_right, cell_top, cell_bottom); lv_coord_t minh = lv_obj_get_style_min_height(obj, LV_PART_ITEMS); lv_coord_t maxh = lv_obj_get_style_max_height(obj, LV_PART_ITEMS); table->row_h[row] = LV_CLAMP(minh, h, maxh); lv_obj_invalidate(obj); } void lv_table_set_row_cnt(lv_obj_t * obj, uint16_t row_cnt) { LV_ASSERT_OBJ(obj, MY_CLASS); lv_table_t * table = (lv_table_t *)obj; uint16_t old_row_cnt = table->row_cnt; table->row_cnt = row_cnt; table->row_h = lv_mem_realloc(table->row_h, table->row_cnt * sizeof(table->row_h[0])); LV_ASSERT_MALLOC(table->row_h); if(table->row_h == NULL) return; /*Free the unused cells*/ if(old_row_cnt > row_cnt) { uint16_t old_cell_cnt = old_row_cnt * table->col_cnt; uint32_t new_cell_cnt = table->col_cnt * table->row_cnt; uint32_t i; for(i = new_cell_cnt; i < old_cell_cnt; i++) { lv_mem_free(table->cell_data[i]); } } table->cell_data = lv_mem_realloc(table->cell_data, table->row_cnt * table->col_cnt * sizeof(char *)); LV_ASSERT_MALLOC(table->cell_data); if(table->cell_data == NULL) return; /*Initialize the new fields*/ if(old_row_cnt < row_cnt) { uint32_t old_cell_cnt = old_row_cnt * table->col_cnt; uint32_t new_cell_cnt = table->col_cnt * table->row_cnt; lv_memset_00(&table->cell_data[old_cell_cnt], (new_cell_cnt - old_cell_cnt) * sizeof(table->cell_data[0])); } refr_size(obj, 0) ; } void lv_table_set_col_cnt(lv_obj_t * obj, uint16_t col_cnt) { LV_ASSERT_OBJ(obj, MY_CLASS); lv_table_t * table = (lv_table_t *)obj; uint16_t old_col_cnt = table->col_cnt; table->col_cnt = col_cnt; table->col_w = lv_mem_realloc(table->col_w, col_cnt * sizeof(table->row_h[0])); LV_ASSERT_MALLOC(table->col_w); if(table->col_w == NULL) return; /*Free the unused cells*/ if(old_col_cnt > col_cnt) { uint16_t old_cell_cnt = old_col_cnt * table->row_cnt; uint32_t new_cell_cnt = table->col_cnt * table->row_cnt; uint32_t i; for(i = new_cell_cnt; i < old_cell_cnt; i++) { lv_mem_free(table->cell_data[i]); } } char ** new_cell_data = lv_mem_alloc(table->row_cnt * table->col_cnt * sizeof(char *)); LV_ASSERT_MALLOC(new_cell_data); if(new_cell_data == NULL) return; uint32_t new_cell_cnt = table->col_cnt * table->row_cnt; lv_memset_00(new_cell_data, new_cell_cnt * sizeof(table->cell_data[0])); /*Initialize the new fields*/ if(old_col_cnt < col_cnt) { uint32_t col; for(col = old_col_cnt; col < col_cnt; col++) { table->col_w[col] = LV_DPI_DEF; } } /*The new column(s) messes up the mapping of `cell_data`*/ uint32_t old_col_start; uint32_t new_col_start; uint32_t min_col_cnt = LV_MIN(old_col_cnt, col_cnt); uint32_t row; for(row = 0; row < table->row_cnt; row++) { old_col_start = row * old_col_cnt; new_col_start = row * col_cnt; lv_memcpy_small(&new_cell_data[new_col_start], &table->cell_data[old_col_start], sizeof(new_cell_data[0]) * min_col_cnt); } lv_mem_free(table->cell_data); table->cell_data = new_cell_data; refr_size(obj, 0) ; } void lv_table_set_col_width(lv_obj_t * obj, uint16_t col_id, lv_coord_t w) { LV_ASSERT_OBJ(obj, MY_CLASS); lv_table_t * table = (lv_table_t *)obj; /*Auto expand*/ if(col_id >= table->col_cnt) lv_table_set_col_cnt(obj, col_id + 1); table->col_w[col_id] = w; refr_size(obj, 0) ; } void lv_table_add_cell_ctrl(lv_obj_t * obj, uint16_t row, uint16_t col, lv_table_cell_ctrl_t ctrl) { LV_ASSERT_OBJ(obj, MY_CLASS); lv_table_t * table = (lv_table_t *)obj; /*Auto expand*/ if(col >= table->col_cnt) lv_table_set_col_cnt(obj, col + 1); if(row >= table->row_cnt) lv_table_set_row_cnt(obj, row + 1); uint32_t cell = row * table->col_cnt + col; if(table->cell_data[cell] == NULL) { table->cell_data[cell] = lv_mem_alloc(2); /*+1: trailing '\0; +1: format byte*/ LV_ASSERT_MALLOC(table->cell_data[cell]); if(table->cell_data[cell] == NULL) return; table->cell_data[cell][0] = 0; table->cell_data[cell][1] = '\0'; } table->cell_data[cell][0] |= ctrl; } void lv_table_clear_cell_ctrl(lv_obj_t * obj, uint16_t row, uint16_t col, lv_table_cell_ctrl_t ctrl) { LV_ASSERT_OBJ(obj, MY_CLASS); lv_table_t * table = (lv_table_t *)obj; /*Auto expand*/ if(col >= table->col_cnt) lv_table_set_col_cnt(obj, col + 1); if(row >= table->row_cnt) lv_table_set_row_cnt(obj, row + 1); uint32_t cell = row * table->col_cnt + col; if(table->cell_data[cell] == NULL) { table->cell_data[cell] = lv_mem_alloc(2); /*+1: trailing '\0; +1: format byte*/ LV_ASSERT_MALLOC(table->cell_data[cell]); if(table->cell_data[cell] == NULL) return; table->cell_data[cell][0] = 0; table->cell_data[cell][1] = '\0'; } table->cell_data[cell][0] &= (~ctrl); } /*===================== * Getter functions *====================*/ const char * lv_table_get_cell_value(lv_obj_t * obj, uint16_t row, uint16_t col) { LV_ASSERT_OBJ(obj, MY_CLASS); lv_table_t * table = (lv_table_t *)obj; if(row >= table->row_cnt || col >= table->col_cnt) { LV_LOG_WARN("lv_table_set_cell_value: invalid row or column"); return ""; } uint32_t cell = row * table->col_cnt + col; if(table->cell_data[cell] == NULL) return ""; return &table->cell_data[cell][1]; /*Skip the format byte*/ } uint16_t lv_table_get_row_cnt(lv_obj_t * obj) { LV_ASSERT_OBJ(obj, MY_CLASS); lv_table_t * table = (lv_table_t *)obj; return table->row_cnt; } uint16_t lv_table_get_col_cnt(lv_obj_t * obj) { LV_ASSERT_OBJ(obj, MY_CLASS); lv_table_t * table = (lv_table_t *)obj; return table->col_cnt; } lv_coord_t lv_table_get_col_width(lv_obj_t * obj, uint16_t col) { LV_ASSERT_OBJ(obj, MY_CLASS); lv_table_t * table = (lv_table_t *)obj; if(col >= table->col_cnt) { LV_LOG_WARN("lv_table_set_col_width: too big 'col_id'. Must be < LV_TABLE_COL_MAX."); return 0; } return table->col_w[col]; } bool lv_table_has_cell_ctrl(lv_obj_t * obj, uint16_t row, uint16_t col, lv_table_cell_ctrl_t ctrl) { LV_ASSERT_OBJ(obj, MY_CLASS); lv_table_t * table = (lv_table_t *)obj; if(row >= table->row_cnt || col >= table->col_cnt) { LV_LOG_WARN("lv_table_get_cell_crop: invalid row or column"); return false; } uint32_t cell = row * table->col_cnt + col; if(table->cell_data[cell] == NULL) return false; else return (table->cell_data[cell][0] & ctrl) == ctrl ? true : false; } void lv_table_get_selected_cell(lv_obj_t * obj, uint16_t * row, uint16_t * col) { lv_table_t * table = (lv_table_t *)obj; *row = table->row_act; *col = table->col_act; } /********************** * STATIC FUNCTIONS **********************/ static void lv_table_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj) { LV_UNUSED(class_p); LV_TRACE_OBJ_CREATE("begin"); lv_table_t * table = (lv_table_t *)obj; table->col_cnt = 1; table->row_cnt = 1; table->col_w = lv_mem_alloc(table->col_cnt * sizeof(table->col_w[0])); table->row_h = lv_mem_alloc(table->row_cnt * sizeof(table->row_h[0])); table->col_w[0] = LV_DPI_DEF; table->row_h[0] = LV_DPI_DEF; table->cell_data = lv_mem_realloc(table->cell_data, table->row_cnt * table->col_cnt * sizeof(char *)); table->cell_data[0] = NULL; LV_TRACE_OBJ_CREATE("finished"); } static void lv_table_destructor(const lv_obj_class_t * class_p, lv_obj_t * obj) { LV_UNUSED(class_p); lv_table_t * table = (lv_table_t *)obj; /*Free the cell texts*/ uint16_t i; for(i = 0; i < table->col_cnt * table->row_cnt; i++) { if(table->cell_data[i]) { lv_mem_free(table->cell_data[i]); table->cell_data[i] = NULL; } } if(table->cell_data) lv_mem_free(table->cell_data); if(table->row_h) lv_mem_free(table->row_h); if(table->col_w) lv_mem_free(table->col_w); } static void lv_table_event(const lv_obj_class_t * class_p, lv_event_t * e) { LV_UNUSED(class_p); lv_res_t res; /*Call the ancestor's event handler*/ res = lv_obj_event_base(MY_CLASS, e); if(res != LV_RES_OK) return; lv_event_code_t code = lv_event_get_code(e); lv_obj_t * obj = lv_event_get_target(e); lv_table_t * table = (lv_table_t *)obj; if(code == LV_EVENT_STYLE_CHANGED) { refr_size(obj, 0); } else if(code == LV_EVENT_GET_SELF_SIZE) { lv_point_t * p = lv_event_get_param(e); uint32_t i; lv_coord_t w = 0; for(i = 0; i < table->col_cnt; i++) w += table->col_w[i]; lv_coord_t h = 0; for(i = 0; i < table->row_cnt; i++) h += table->row_h[i]; p->x = w - 1; p->y = h - 1; } else if(code == LV_EVENT_PRESSED || code == LV_EVENT_PRESSING) { uint16_t col; uint16_t row; lv_res_t pr_res = get_pressed_cell(obj, &row, &col); if(pr_res == LV_RES_OK && (table->col_act != col || table->row_act != row)) { table->col_act = col; table->row_act = row; lv_obj_invalidate(obj); } } else if(code == LV_EVENT_RELEASED) { lv_obj_invalidate(obj); lv_indev_t * indev = lv_indev_get_act(); lv_obj_t * scroll_obj = lv_indev_get_scroll_obj(indev); if(table->col_act != LV_TABLE_CELL_NONE && table->row_act != LV_TABLE_CELL_NONE && scroll_obj == NULL) { res = lv_event_send(obj, LV_EVENT_VALUE_CHANGED, NULL); if(res != LV_RES_OK) return; } lv_indev_type_t indev_type = lv_indev_get_type(lv_indev_get_act()); if(indev_type == LV_INDEV_TYPE_POINTER || indev_type == LV_INDEV_TYPE_BUTTON) { table->col_act = LV_TABLE_CELL_NONE; table->row_act = LV_TABLE_CELL_NONE; } } else if(code == LV_EVENT_FOCUSED) { lv_obj_invalidate(obj); } else if(code == LV_EVENT_KEY) { int32_t c = *((int32_t *)lv_event_get_param(e)); int32_t col = table->col_act; int32_t row = table->row_act; if(col == LV_TABLE_CELL_NONE || row == LV_TABLE_CELL_NONE) { table->col_act = 0; table->row_act = 0; lv_obj_invalidate(obj); return; } if(col >= table->col_cnt) col = 0; if(row >= table->row_cnt) row = 0; if(c == LV_KEY_LEFT) col--; else if(c == LV_KEY_RIGHT) col++; else if(c == LV_KEY_UP) row--; else if(c == LV_KEY_DOWN) row++; else return; if(col >= table->col_cnt) { if(row < table->row_cnt - 1) { col = 0; row++; } else { col = table->col_cnt - 1; } } else if(col < 0) { if(row != 0) { col = table->col_cnt - 1; row--; } else { col = 0; } } if(row >= table->row_cnt) { row = table->row_cnt - 1; } else if(row < 0) { row = 0; } if(table->col_act != col || table->row_act != row) { table->col_act = col; table->row_act = row; lv_obj_invalidate(obj); res = lv_event_send(obj, LV_EVENT_VALUE_CHANGED, NULL); if(res != LV_RES_OK) return; } } else if(code == LV_EVENT_DRAW_MAIN) { draw_main(e); } } static void draw_main(lv_event_t * e) { lv_obj_t * obj = lv_event_get_target(e); lv_table_t * table = (lv_table_t *)obj; lv_draw_ctx_t * draw_ctx = lv_event_get_draw_ctx(e); lv_area_t clip_area; if(!_lv_area_intersect(&clip_area, &obj->coords, draw_ctx->clip_area)) return; const lv_area_t * clip_area_ori = draw_ctx->clip_area; draw_ctx->clip_area = &clip_area; lv_point_t txt_size; lv_area_t cell_area; lv_area_t txt_area; lv_text_flag_t txt_flags; lv_coord_t border_width = lv_obj_get_style_border_width(obj, LV_PART_MAIN); lv_coord_t bg_top = lv_obj_get_style_pad_top(obj, LV_PART_MAIN); lv_coord_t bg_bottom = lv_obj_get_style_pad_bottom(obj, LV_PART_MAIN); lv_coord_t bg_left = lv_obj_get_style_pad_left(obj, LV_PART_MAIN); lv_coord_t bg_right = lv_obj_get_style_pad_right(obj, LV_PART_MAIN); lv_coord_t cell_left = lv_obj_get_style_pad_left(obj, LV_PART_ITEMS); lv_coord_t cell_right = lv_obj_get_style_pad_right(obj, LV_PART_ITEMS); lv_coord_t cell_top = lv_obj_get_style_pad_top(obj, LV_PART_ITEMS); lv_coord_t cell_bottom = lv_obj_get_style_pad_bottom(obj, LV_PART_ITEMS); lv_state_t state_ori = obj->state; obj->state = LV_STATE_DEFAULT; obj->skip_trans = 1; lv_draw_rect_dsc_t rect_dsc_def; lv_draw_rect_dsc_t rect_dsc_act; /*Passed to the event to modify it*/ lv_draw_rect_dsc_init(&rect_dsc_def); lv_obj_init_draw_rect_dsc(obj, LV_PART_ITEMS, &rect_dsc_def); lv_draw_label_dsc_t label_dsc_def; lv_draw_label_dsc_t label_dsc_act; /*Passed to the event to modify it*/ lv_draw_label_dsc_init(&label_dsc_def); lv_obj_init_draw_label_dsc(obj, LV_PART_ITEMS, &label_dsc_def); obj->state = state_ori; obj->skip_trans = 0; uint16_t col; uint16_t row; uint16_t cell = 0; cell_area.y2 = obj->coords.y1 + bg_top - 1 - lv_obj_get_scroll_y(obj) + border_width; lv_coord_t scroll_x = lv_obj_get_scroll_x(obj) ; bool rtl = lv_obj_get_style_base_dir(obj, LV_PART_MAIN) == LV_BASE_DIR_RTL ? true : false; /*Handle custom drawer*/ lv_obj_draw_part_dsc_t part_draw_dsc; lv_obj_draw_dsc_init(&part_draw_dsc, draw_ctx); part_draw_dsc.part = LV_PART_ITEMS; part_draw_dsc.class_p = MY_CLASS; part_draw_dsc.type = LV_TABLE_DRAW_PART_CELL; part_draw_dsc.rect_dsc = &rect_dsc_act; part_draw_dsc.label_dsc = &label_dsc_act; for(row = 0; row < table->row_cnt; row++) { lv_coord_t h_row = table->row_h[row]; cell_area.y1 = cell_area.y2 + 1; cell_area.y2 = cell_area.y1 + h_row - 1; if(cell_area.y1 > clip_area.y2) break; if(rtl) cell_area.x1 = obj->coords.x2 - bg_right - 1 - scroll_x - border_width; else cell_area.x2 = obj->coords.x1 + bg_left - 1 - scroll_x + border_width; for(col = 0; col < table->col_cnt; col++) { lv_table_cell_ctrl_t ctrl = 0; if(table->cell_data[cell]) ctrl = table->cell_data[cell][0]; if(rtl) { cell_area.x2 = cell_area.x1 - 1; cell_area.x1 = cell_area.x2 - table->col_w[col] + 1; } else { cell_area.x1 = cell_area.x2 + 1; cell_area.x2 = cell_area.x1 + table->col_w[col] - 1; } uint16_t col_merge = 0; for(col_merge = 0; col_merge + col < table->col_cnt - 1; col_merge++) { if(table->cell_data[cell + col_merge]) { char * next_cell_data = table->cell_data[cell + col_merge]; if(next_cell_data) ctrl = next_cell_data[0]; if(ctrl & LV_TABLE_CELL_CTRL_MERGE_RIGHT) if(rtl) cell_area.x1 -= table->col_w[col + col_merge + 1]; else cell_area.x2 += table->col_w[col + col_merge + 1]; else { break; } } else { break; } } if(cell_area.y2 < clip_area.y1) { cell += col_merge + 1; col += col_merge; continue; } /*Expand the cell area with a half border to avoid drawing 2 borders next to each other*/ lv_area_t cell_area_border; lv_area_copy(&cell_area_border, &cell_area); if((rect_dsc_def.border_side & LV_BORDER_SIDE_LEFT) && cell_area_border.x1 > obj->coords.x1 + bg_left) { cell_area_border.x1 -= rect_dsc_def.border_width / 2; } if((rect_dsc_def.border_side & LV_BORDER_SIDE_TOP) && cell_area_border.y1 > obj->coords.y1 + bg_top) { cell_area_border.y1 -= rect_dsc_def.border_width / 2; } if((rect_dsc_def.border_side & LV_BORDER_SIDE_RIGHT) && cell_area_border.x2 < obj->coords.x2 - bg_right - 1) { cell_area_border.x2 += rect_dsc_def.border_width / 2 + (rect_dsc_def.border_width & 0x1); } if((rect_dsc_def.border_side & LV_BORDER_SIDE_BOTTOM) && cell_area_border.y2 < obj->coords.y2 - bg_bottom - 1) { cell_area_border.y2 += rect_dsc_def.border_width / 2 + (rect_dsc_def.border_width & 0x1); } lv_state_t cell_state = LV_STATE_DEFAULT; if(row == table->row_act && col == table->col_act) { if(!(obj->state & LV_STATE_SCROLLED) && (obj->state & LV_STATE_PRESSED)) cell_state |= LV_STATE_PRESSED; if(obj->state & LV_STATE_FOCUSED) cell_state |= LV_STATE_FOCUSED; if(obj->state & LV_STATE_FOCUS_KEY) cell_state |= LV_STATE_FOCUS_KEY; if(obj->state & LV_STATE_EDITED) cell_state |= LV_STATE_EDITED; } /*Set up the draw descriptors*/ if(cell_state == LV_STATE_DEFAULT) { lv_memcpy(&rect_dsc_act, &rect_dsc_def, sizeof(lv_draw_rect_dsc_t)); lv_memcpy(&label_dsc_act, &label_dsc_def, sizeof(lv_draw_label_dsc_t)); } /*In other cases get the styles directly without caching them*/ else { obj->state = cell_state; obj->skip_trans = 1; lv_draw_rect_dsc_init(&rect_dsc_act); lv_draw_label_dsc_init(&label_dsc_act); lv_obj_init_draw_rect_dsc(obj, LV_PART_ITEMS, &rect_dsc_act); lv_obj_init_draw_label_dsc(obj, LV_PART_ITEMS, &label_dsc_act); obj->state = state_ori; obj->skip_trans = 0; } part_draw_dsc.draw_area = &cell_area_border; part_draw_dsc.id = row * table->col_cnt + col; lv_event_send(obj, LV_EVENT_DRAW_PART_BEGIN, &part_draw_dsc); lv_draw_rect(draw_ctx, &rect_dsc_act, &cell_area_border); if(table->cell_data[cell]) { txt_area.x1 = cell_area.x1 + cell_left; txt_area.x2 = cell_area.x2 - cell_right; txt_area.y1 = cell_area.y1 + cell_top; txt_area.y2 = cell_area.y2 - cell_bottom; /*Align the content to the middle if not cropped*/ bool crop = ctrl & LV_TABLE_CELL_CTRL_TEXT_CROP ? true : false; if(crop) txt_flags = LV_TEXT_FLAG_EXPAND; else txt_flags = LV_TEXT_FLAG_NONE; lv_txt_get_size(&txt_size, table->cell_data[cell] + 1, label_dsc_def.font, label_dsc_act.letter_space, label_dsc_act.line_space, lv_area_get_width(&txt_area), txt_flags); /*Align the content to the middle if not cropped*/ if(!crop) { txt_area.y1 = cell_area.y1 + h_row / 2 - txt_size.y / 2; txt_area.y2 = cell_area.y1 + h_row / 2 + txt_size.y / 2; } lv_area_t label_clip_area; bool label_mask_ok; label_mask_ok = _lv_area_intersect(&label_clip_area, &clip_area, &cell_area); if(label_mask_ok) { draw_ctx->clip_area = &label_clip_area; lv_draw_label(draw_ctx, &label_dsc_act, &txt_area, table->cell_data[cell] + 1, NULL); draw_ctx->clip_area = &clip_area; } } lv_event_send(obj, LV_EVENT_DRAW_PART_END, &part_draw_dsc); cell += col_merge + 1; col += col_merge; } } draw_ctx->clip_area = clip_area_ori; } static void refr_size(lv_obj_t * obj, uint32_t strat_row) { lv_table_t * table = (lv_table_t *)obj; uint32_t i; lv_coord_t cell_left = lv_obj_get_style_pad_left(obj, LV_PART_ITEMS); lv_coord_t cell_right = lv_obj_get_style_pad_right(obj, LV_PART_ITEMS); lv_coord_t cell_top = lv_obj_get_style_pad_top(obj, LV_PART_ITEMS); lv_coord_t cell_bottom = lv_obj_get_style_pad_bottom(obj, LV_PART_ITEMS); lv_coord_t letter_space = lv_obj_get_style_text_letter_space(obj, LV_PART_ITEMS); lv_coord_t line_space = lv_obj_get_style_text_line_space(obj, LV_PART_ITEMS); const lv_font_t * font = lv_obj_get_style_text_font(obj, LV_PART_ITEMS); lv_coord_t minh = lv_obj_get_style_min_height(obj, LV_PART_ITEMS); lv_coord_t maxh = lv_obj_get_style_max_height(obj, LV_PART_ITEMS); for(i = strat_row; i < table->row_cnt; i++) { table->row_h[i] = get_row_height(obj, i, font, letter_space, line_space, cell_left, cell_right, cell_top, cell_bottom); table->row_h[i] = LV_CLAMP(minh, table->row_h[i], maxh); } lv_obj_refresh_self_size(obj) ; } static lv_coord_t get_row_height(lv_obj_t * obj, uint16_t row_id, const lv_font_t * font, lv_coord_t letter_space, lv_coord_t line_space, lv_coord_t cell_left, lv_coord_t cell_right, lv_coord_t cell_top, lv_coord_t cell_bottom) { lv_table_t * table = (lv_table_t *)obj; lv_point_t txt_size; lv_coord_t txt_w; uint16_t row_start = row_id * table->col_cnt; uint16_t cell; uint16_t col; lv_coord_t h_max = lv_font_get_line_height(font) + cell_top + cell_bottom; for(cell = row_start, col = 0; cell < row_start + table->col_cnt; cell++, col++) { if(table->cell_data[cell] != NULL) { txt_w = table->col_w[col]; uint16_t col_merge = 0; for(col_merge = 0; col_merge + col < table->col_cnt - 1; col_merge++) { if(table->cell_data[cell + col_merge] != NULL) { lv_table_cell_ctrl_t ctrl = 0; char * next_cell_data = table->cell_data[cell + col_merge]; if(next_cell_data) ctrl = next_cell_data[0]; if(ctrl & LV_TABLE_CELL_CTRL_MERGE_RIGHT) txt_w += table->col_w[col + col_merge + 1]; else break; } else { break; } } lv_table_cell_ctrl_t ctrl = 0; if(table->cell_data[cell]) ctrl = table->cell_data[cell][0]; /*With text crop assume 1 line*/ if(ctrl & LV_TABLE_CELL_CTRL_TEXT_CROP) { h_max = LV_MAX(lv_font_get_line_height(font) + cell_top + cell_bottom, h_max); } /*Without text crop calculate the height of the text in the cell*/ else { txt_w -= cell_left + cell_right; lv_txt_get_size(&txt_size, table->cell_data[cell] + 1, font, letter_space, line_space, txt_w, LV_TEXT_FLAG_NONE); h_max = LV_MAX(txt_size.y + cell_top + cell_bottom, h_max); cell += col_merge; col += col_merge; } } } return h_max; } static lv_res_t get_pressed_cell(lv_obj_t * obj, uint16_t * row, uint16_t * col) { lv_table_t * table = (lv_table_t *)obj; lv_indev_type_t type = lv_indev_get_type(lv_indev_get_act()); if(type != LV_INDEV_TYPE_POINTER && type != LV_INDEV_TYPE_BUTTON) { if(col) *col = LV_TABLE_CELL_NONE; if(row) *row = LV_TABLE_CELL_NONE; return LV_RES_INV; } lv_point_t p; lv_indev_get_point(lv_indev_get_act(), &p); lv_coord_t tmp; if(col) { lv_coord_t x = p.x + lv_obj_get_scroll_x(obj); if(lv_obj_get_style_base_dir(obj, LV_PART_MAIN) == LV_BASE_DIR_RTL) { x = obj->coords.x2 - lv_obj_get_style_pad_right(obj, LV_PART_MAIN) - x; } else { x -= obj->coords.x1; x -= lv_obj_get_style_pad_left(obj, LV_PART_MAIN); } *col = 0; tmp = 0; for(*col = 0; *col < table->col_cnt; (*col)++) { tmp += table->col_w[*col]; if(x < tmp) break; } } if(row) { lv_coord_t y = p.y + lv_obj_get_scroll_y(obj);; y -= obj->coords.y1; y -= lv_obj_get_style_pad_top(obj, LV_PART_MAIN); *row = 0; tmp = 0; for(*row = 0; *row < table->row_cnt; (*row)++) { tmp += table->row_h[*row]; if(y < tmp) break; } } return LV_RES_OK; } #endif