diff options
Diffstat (limited to 'lib/lvgl/src/widgets/lv_table.c')
| m--------- | lib/lvgl | 0 | ||||
| -rw-r--r-- | lib/lvgl/src/widgets/lv_table.c | 1007 |
2 files changed, 1007 insertions, 0 deletions
diff --git a/lib/lvgl b/lib/lvgl deleted file mode 160000 -Subproject 0732400e7b564dd0e7dc4a924619d8e19c5b23a diff --git a/lib/lvgl/src/widgets/lv_table.c b/lib/lvgl/src/widgets/lv_table.c new file mode 100644 index 00000000..5ff65ab2 --- /dev/null +++ b/lib/lvgl/src/widgets/lv_table.c @@ -0,0 +1,1007 @@ +/** + * @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_form_row(lv_obj_t * obj, uint32_t start_row); +static void refr_cell_size(lv_obj_t * obj, uint32_t row, uint32_t col); +static lv_res_t get_pressed_cell(lv_obj_t * obj, uint16_t * row, uint16_t * col); +static size_t get_cell_txt_len(const char * txt); +static void copy_cell_txt(char * dst, const char * txt); +static void get_cell_area(lv_obj_t * obj, uint16_t row, uint16_t col, lv_area_t * area); + +static inline bool is_cell_empty(void * cell) +{ + return cell == NULL; +} + +/********************** + * 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]; + + size_t to_allocate = get_cell_txt_len(txt); + + table->cell_data[cell] = lv_mem_realloc(table->cell_data[cell], to_allocate); + LV_ASSERT_MALLOC(table->cell_data[cell]); + if(table->cell_data[cell] == NULL) return; + + copy_cell_txt(table->cell_data[cell], txt); + + table->cell_data[cell][0] = ctrl; + refr_cell_size(obj, row, col); +} + +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_table_set_col_cnt(obj, col + 1); + } + + /*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; + + refr_cell_size(obj, row, col); +} + +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; + + if(table->row_cnt == row_cnt) return; + + 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_form_row(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; + + if(table->col_cnt == col_cnt) return; + + uint16_t old_col_cnt = table->col_cnt; + table->col_cnt = col_cnt; + + 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])); + + /*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); + + /*Free the old cells (only if the table becomes smaller)*/ + int32_t i; + for(i = 0; i < (int32_t)old_col_cnt - col_cnt; i++) { + uint32_t idx = old_col_start + min_col_cnt + i; + lv_mem_free(table->cell_data[idx]); + table->cell_data[idx] = NULL; + } + } + + lv_mem_free(table->cell_data); + table->cell_data = new_cell_data; + + /*Initialize the new column widths if any*/ + table->col_w = lv_mem_realloc(table->col_w, col_cnt * sizeof(table->col_w[0])); + LV_ASSERT_MALLOC(table->col_w); + if(table->col_w == NULL) return; + + uint32_t col; + for(col = old_col_cnt; col < col_cnt; col++) { + table->col_w[col] = LV_DPI_DEF; + } + + + refr_size_form_row(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_form_row(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(is_cell_empty(table->cell_data[cell])) { + 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(is_cell_empty(table->cell_data[cell])) { + 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("invalid row or column"); + return ""; + } + uint32_t cell = row * table->col_cnt + col; + + if(is_cell_empty(table->cell_data[cell])) 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(is_cell_empty(table->cell_data[cell])) return false; + else return (table->cell_data[cell][0] & ctrl) == ctrl; +} + +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_form_row(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_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_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; + + /*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++) { + char * next_cell_data = table->cell_data[cell + col_merge]; + + if(is_cell_empty(next_cell_data)) break; + + lv_table_cell_ctrl_t merge_ctrl = (lv_table_cell_ctrl_t) next_cell_data[0]; + if(merge_ctrl & LV_TABLE_CELL_CTRL_MERGE_RIGHT) { + lv_coord_t offset = table->col_w[col + col_merge + 1]; + + if(rtl) cell_area.x1 -= offset; + else cell_area.x2 += offset; + } + 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]) { + const lv_coord_t cell_left = lv_obj_get_style_pad_left(obj, LV_PART_ITEMS); + const lv_coord_t cell_right = lv_obj_get_style_pad_right(obj, LV_PART_ITEMS); + const lv_coord_t cell_top = lv_obj_get_style_pad_top(obj, LV_PART_ITEMS); + const lv_coord_t cell_bottom = lv_obj_get_style_pad_bottom(obj, LV_PART_ITEMS); + lv_text_flag_t txt_flags = LV_TEXT_FLAG_NONE; + lv_area_t txt_area; + + 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; + + 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; +} + +/* Refreshes size of the table starting from @start_row row */ +static void refr_size_form_row(lv_obj_t * obj, uint32_t start_row) +{ + const lv_coord_t cell_pad_left = lv_obj_get_style_pad_left(obj, LV_PART_ITEMS); + const lv_coord_t cell_pad_right = lv_obj_get_style_pad_right(obj, LV_PART_ITEMS); + const lv_coord_t cell_pad_top = lv_obj_get_style_pad_top(obj, LV_PART_ITEMS); + const lv_coord_t cell_pad_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); + + const lv_coord_t minh = lv_obj_get_style_min_height(obj, LV_PART_ITEMS); + const lv_coord_t maxh = lv_obj_get_style_max_height(obj, LV_PART_ITEMS); + + lv_table_t * table = (lv_table_t *)obj; + uint32_t i; + for(i = start_row; i < table->row_cnt; i++) { + lv_coord_t calculated_height = get_row_height(obj, i, font, letter_space, line_space, + cell_pad_left, cell_pad_right, cell_pad_top, cell_pad_bottom); + table->row_h[i] = LV_CLAMP(minh, calculated_height, maxh); + } + + lv_obj_refresh_self_size(obj); + lv_obj_invalidate(obj); +} + + +static void refr_cell_size(lv_obj_t * obj, uint32_t row, uint32_t col) +{ + const lv_coord_t cell_pad_left = lv_obj_get_style_pad_left(obj, LV_PART_ITEMS); + const lv_coord_t cell_pad_right = lv_obj_get_style_pad_right(obj, LV_PART_ITEMS); + const lv_coord_t cell_pad_top = lv_obj_get_style_pad_top(obj, LV_PART_ITEMS); + const lv_coord_t cell_pad_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); + + const lv_coord_t minh = lv_obj_get_style_min_height(obj, LV_PART_ITEMS); + const lv_coord_t maxh = lv_obj_get_style_max_height(obj, LV_PART_ITEMS); + + lv_table_t * table = (lv_table_t *)obj; + lv_coord_t calculated_height = get_row_height(obj, row, font, letter_space, line_space, + cell_pad_left, cell_pad_right, cell_pad_top, cell_pad_bottom); + + lv_coord_t prev_row_size = table->row_h[row]; + table->row_h[row] = LV_CLAMP(minh, calculated_height, maxh); + + /*If the row height havn't changed invalidate only this cell*/ + if(prev_row_size == table->row_h[row]) { + lv_area_t cell_area; + get_cell_area(obj, row, col, &cell_area); + lv_area_move(&cell_area, obj->coords.x1, obj->coords.y1); + lv_obj_invalidate_area(obj, &cell_area); + } + else { + lv_obj_refresh_self_size(obj); + lv_obj_invalidate(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_coord_t h_max = lv_font_get_line_height(font) + cell_top + cell_bottom; + /* Calculate the cell_data index where to start */ + uint16_t row_start = row_id * table->col_cnt; + + /* Traverse the cells in the row_id row */ + uint16_t cell; + uint16_t col; + for(cell = row_start, col = 0; cell < row_start + table->col_cnt; cell++, col++) { + char * cell_data = table->cell_data[cell]; + + if(is_cell_empty(cell_data)) { + continue; + } + + lv_coord_t txt_w = table->col_w[col]; + + /* Traverse the current row from the first until the penultimate column. + * Increment the text width if the cell has the LV_TABLE_CELL_CTRL_MERGE_RIGHT control, + * exit the traversal when the current cell control is not LV_TABLE_CELL_CTRL_MERGE_RIGHT */ + uint16_t col_merge = 0; + for(col_merge = 0; col_merge + col < table->col_cnt - 1; col_merge++) { + char * next_cell_data = table->cell_data[cell + col_merge]; + + if(is_cell_empty(next_cell_data)) break; + + lv_table_cell_ctrl_t ctrl = (lv_table_cell_ctrl_t) next_cell_data[0]; + if(ctrl & LV_TABLE_CELL_CTRL_MERGE_RIGHT) { + txt_w += table->col_w[col + col_merge + 1]; + } + else { + break; + } + } + + lv_table_cell_ctrl_t ctrl = (lv_table_cell_ctrl_t) cell_data[0]; + + /*When cropping the text we can assume the row height is equal to the line height*/ + if(ctrl & LV_TABLE_CELL_CTRL_TEXT_CROP) { + h_max = LV_MAX(lv_font_get_line_height(font) + cell_top + cell_bottom, + h_max); + } + /*Else we have to calculate the height of the cell text*/ + else { + lv_point_t txt_size; + 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); + /*Skip until one element after the last merged column*/ + 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; +} + +/* Returns number of bytes to allocate based on chars configuration */ +static size_t get_cell_txt_len(const char * txt) +{ + size_t retval = 0; + +#if LV_USE_ARABIC_PERSIAN_CHARS + retval = _lv_txt_ap_calc_bytes_cnt(txt) + 1; +#else + /* cell_data layout: [ctrl][txt][trailing '\0' terminator] + * +2 because of the trailing '\0' and the ctrl */ + retval = strlen(txt) + 2; +#endif + + return retval; +} + +/* Copy txt into dst skipping the format byte */ +static void copy_cell_txt(char * dst, const char * txt) +{ +#if LV_USE_ARABIC_PERSIAN_CHARS + _lv_txt_ap_proc(txt, &dst[1]); +#else + strcpy(&dst[1], txt); +#endif +} + +static void get_cell_area(lv_obj_t * obj, uint16_t row, uint16_t col, lv_area_t * area) +{ + lv_table_t * table = (lv_table_t *)obj; + + uint32_t c; + area->x1 = 0; + for(c = 0; c < col; c++) { + area->x1 += table->col_w[c]; + } + + bool rtl = lv_obj_get_style_base_dir(obj, LV_PART_MAIN) == LV_BASE_DIR_RTL; + if(rtl) { + area->x1 += lv_obj_get_scroll_x(obj); + lv_coord_t w = lv_obj_get_width(obj); + area->x2 = w - area->x1 - lv_obj_get_style_pad_right(obj, 0); + area->x1 = area->x2 - table->col_w[col]; + } + else { + area->x1 -= lv_obj_get_scroll_x(obj); + area->x1 += lv_obj_get_style_pad_left(obj, 0); + area->x2 = area->x1 + table->col_w[col] - 1; + } + + uint32_t r; + area->y1 = 0; + for(r = 0; r < row; r++) { + area->y1 += table->row_h[r]; + } + + area->y1 += lv_obj_get_style_pad_top(obj, 0); + area->y1 -= lv_obj_get_scroll_y(obj); + area->y2 = area->y1 + table->row_h[row] - 1; + +} + +#endif |