211 lines
6.0 KiB
C
211 lines
6.0 KiB
C
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/**
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* @file lv_table.h
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*
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*/
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#ifndef LV_TABLE_H
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#define LV_TABLE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include "../lv_conf_internal.h"
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#if LV_USE_TABLE != 0
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/*Testing of dependencies*/
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#if LV_USE_LABEL == 0
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#error "lv_table: lv_label is required. Enable it in lv_conf.h (LV_USE_LABEL 1)"
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#endif
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#include "../core/lv_obj.h"
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#include "lv_label.h"
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/*********************
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* DEFINES
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*********************/
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#define LV_TABLE_CELL_NONE 0XFFFF
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LV_EXPORT_CONST_INT(LV_TABLE_CELL_NONE);
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/**********************
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* TYPEDEFS
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**********************/
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enum {
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LV_TABLE_CELL_CTRL_MERGE_RIGHT = 1 << 0,
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LV_TABLE_CELL_CTRL_TEXT_CROP = 1 << 1,
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LV_TABLE_CELL_CTRL_CUSTOM_1 = 1 << 4,
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LV_TABLE_CELL_CTRL_CUSTOM_2 = 1 << 5,
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LV_TABLE_CELL_CTRL_CUSTOM_3 = 1 << 6,
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LV_TABLE_CELL_CTRL_CUSTOM_4 = 1 << 7,
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};
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typedef uint8_t lv_table_cell_ctrl_t;
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/*Data of table*/
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typedef struct {
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lv_obj_t obj;
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uint16_t col_cnt;
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uint16_t row_cnt;
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char ** cell_data;
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lv_coord_t * row_h;
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lv_coord_t * col_w;
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uint16_t col_act;
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uint16_t row_act;
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} lv_table_t;
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extern const lv_obj_class_t lv_table_class;
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/**
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* `type` field in `lv_obj_draw_part_dsc_t` if `class_p = lv_table_class`
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* Used in `LV_EVENT_DRAW_PART_BEGIN` and `LV_EVENT_DRAW_PART_END`
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*/
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typedef enum {
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LV_TABLE_DRAW_PART_CELL, /**< A cell*/
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} lv_table_draw_part_type_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Create a table object
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* @param parent pointer to an object, it will be the parent of the new table
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* @return pointer to the created table
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*/
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lv_obj_t * lv_table_create(lv_obj_t * parent);
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Set the value of a cell.
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* @param obj pointer to a Table object
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* @param row id of the row [0 .. row_cnt -1]
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* @param col id of the column [0 .. col_cnt -1]
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* @param txt text to display in the cell. It will be copied and saved so this variable is not required after this function call.
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* @note New roes/columns are added automatically if required
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*/
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void lv_table_set_cell_value(lv_obj_t * obj, uint16_t row, uint16_t col, const char * txt);
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/**
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* Set the value of a cell. Memory will be allocated to store the text by the table.
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* @param obj pointer to a Table object
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* @param row id of the row [0 .. row_cnt -1]
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* @param col id of the column [0 .. col_cnt -1]
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* @param fmt `printf`-like format
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* @note New roes/columns are added automatically if required
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*/
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void lv_table_set_cell_value_fmt(lv_obj_t * obj, uint16_t row, uint16_t col, const char * fmt, ...);
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/**
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* Set the number of rows
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* @param obj table pointer to a Table object
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* @param row_cnt number of rows
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*/
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void lv_table_set_row_cnt(lv_obj_t * obj, uint16_t row_cnt);
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/**
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* Set the number of columns
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* @param obj table pointer to a Table object
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* @param col_cnt number of columns.
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*/
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void lv_table_set_col_cnt(lv_obj_t * obj, uint16_t col_cnt);
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/**
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* Set the width of a column
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* @param obj table pointer to a Table object
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* @param col_id id of the column [0 .. LV_TABLE_COL_MAX -1]
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* @param w width of the column
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*/
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void lv_table_set_col_width(lv_obj_t * obj, uint16_t col_id, lv_coord_t w);
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/**
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* Add control bits to the cell.
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* @param obj pointer to a Table object
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* @param row id of the row [0 .. row_cnt -1]
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* @param col id of the column [0 .. col_cnt -1]
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* @param ctrl OR-ed values from ::lv_table_cell_ctrl_t
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*/
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void lv_table_add_cell_ctrl(lv_obj_t * obj, uint16_t row, uint16_t col, lv_table_cell_ctrl_t ctrl);
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/**
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* Clear control bits of the cell.
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* @param obj pointer to a Table object
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* @param row id of the row [0 .. row_cnt -1]
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* @param col id of the column [0 .. col_cnt -1]
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* @param ctrl OR-ed values from ::lv_table_cell_ctrl_t
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*/
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void lv_table_clear_cell_ctrl(lv_obj_t * obj, uint16_t row, uint16_t col, lv_table_cell_ctrl_t ctrl);
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get the value of a cell.
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* @param obj pointer to a Table object
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* @param row id of the row [0 .. row_cnt -1]
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* @param col id of the column [0 .. col_cnt -1]
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* @return text in the cell
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*/
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const char * lv_table_get_cell_value(lv_obj_t * obj, uint16_t row, uint16_t col);
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/**
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* Get the number of rows.
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* @param obj table pointer to a Table object
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* @return number of rows.
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*/
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uint16_t lv_table_get_row_cnt(lv_obj_t * obj);
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/**
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* Get the number of columns.
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* @param obj table pointer to a Table object
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* @return number of columns.
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*/
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uint16_t lv_table_get_col_cnt(lv_obj_t * obj);
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/**
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* Get the width of a column
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* @param obj table pointer to a Table object
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* @param col id of the column [0 .. LV_TABLE_COL_MAX -1]
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* @return width of the column
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*/
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lv_coord_t lv_table_get_col_width(lv_obj_t * obj, uint16_t col);
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/**
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* Get whether a cell has the control bits
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* @param obj pointer to a Table object
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* @param row id of the row [0 .. row_cnt -1]
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* @param col id of the column [0 .. col_cnt -1]
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* @param ctrl OR-ed values from ::lv_table_cell_ctrl_t
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* @return true: all control bits are set; false: not all control bits are set
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*/
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bool lv_table_has_cell_ctrl(lv_obj_t * obj, uint16_t row, uint16_t col, lv_table_cell_ctrl_t ctrl);
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/**
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* Get the selected cell (pressed and or focused)
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* @param obj pointer to a table object
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* @param row pointer to variable to store the selected row (LV_TABLE_CELL_NONE: if no cell selected)
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* @param col pointer to variable to store the selected column (LV_TABLE_CELL_NONE: if no cell selected)
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*/
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void lv_table_get_selected_cell(lv_obj_t * obj, uint16_t * row, uint16_t * col);
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/**********************
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* MACROS
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**********************/
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#endif /*LV_USE_TABLE*/
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif /*LV_TABLE_H*/
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