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Diffstat (limited to 'src/libs/lvgl/src/lv_objx/lv_table.c')
-rw-r--r--src/libs/lvgl/src/lv_objx/lv_table.c894
1 files changed, 894 insertions, 0 deletions
diff --git a/src/libs/lvgl/src/lv_objx/lv_table.c b/src/libs/lvgl/src/lv_objx/lv_table.c
new file mode 100644
index 00000000..1410cc3a
--- /dev/null
+++ b/src/libs/lvgl/src/lv_objx/lv_table.c
@@ -0,0 +1,894 @@
+/**
+ * @file lv_table.c
+ *
+ */
+
+/*********************
+ * INCLUDES
+ *********************/
+#include "lv_table.h"
+#if LV_USE_TABLE != 0
+
+#include "../lv_core/lv_debug.h"
+#include "../lv_misc/lv_txt.h"
+#include "../lv_misc/lv_math.h"
+#include "../lv_draw/lv_draw_label.h"
+#include "../lv_themes/lv_theme.h"
+
+/*********************
+ * DEFINES
+ *********************/
+#define LV_OBJX_NAME "lv_table"
+
+/**********************
+ * TYPEDEFS
+ **********************/
+
+/**********************
+ * STATIC PROTOTYPES
+ **********************/
+static bool lv_table_design(lv_obj_t * table, const lv_area_t * mask, lv_design_mode_t mode);
+static lv_res_t lv_table_signal(lv_obj_t * table, lv_signal_t sign, void * param);
+static lv_coord_t get_row_height(lv_obj_t * table, uint16_t row_id);
+static void refr_size(lv_obj_t * table);
+
+/**********************
+ * STATIC VARIABLES
+ **********************/
+static lv_signal_cb_t ancestor_signal;
+static lv_design_cb_t ancestor_scrl_design;
+
+/**********************
+ * MACROS
+ **********************/
+
+/**********************
+ * GLOBAL FUNCTIONS
+ **********************/
+
+/**
+ * Create a table object
+ * @param par pointer to an object, it will be the parent of the new table
+ * @param copy pointer to a table object, if not NULL then the new object will be copied from it
+ * @return pointer to the created table
+ */
+lv_obj_t * lv_table_create(lv_obj_t * par, const lv_obj_t * copy)
+{
+ LV_LOG_TRACE("table create started");
+
+ /*Create the ancestor of table*/
+ lv_obj_t * new_table = lv_obj_create(par, copy);
+ LV_ASSERT_MEM(new_table);
+ if(new_table == NULL) return NULL;
+
+ /*Allocate the table type specific extended data*/
+ lv_table_ext_t * ext = lv_obj_allocate_ext_attr(new_table, sizeof(lv_table_ext_t));
+ LV_ASSERT_MEM(ext);
+ if(ext == NULL) return NULL;
+ if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_cb(new_table);
+ if(ancestor_scrl_design == NULL) ancestor_scrl_design = lv_obj_get_design_cb(new_table);
+
+ /*Initialize the allocated 'ext' */
+ ext->cell_data = NULL;
+ ext->cell_style[0] = &lv_style_plain;
+ ext->cell_style[1] = &lv_style_plain;
+ ext->cell_style[2] = &lv_style_plain;
+ ext->cell_style[3] = &lv_style_plain;
+ ext->col_cnt = 0;
+ ext->row_cnt = 0;
+
+ uint16_t i;
+ for(i = 0; i < LV_TABLE_COL_MAX; i++) {
+ ext->col_w[i] = LV_DPI;
+ }
+
+ /*The signal and design functions are not copied so set them here*/
+ lv_obj_set_signal_cb(new_table, lv_table_signal);
+ lv_obj_set_design_cb(new_table, lv_table_design);
+
+ /*Init the new table table*/
+ if(copy == NULL) {
+ /*Set the default styles*/
+ lv_theme_t * th = lv_theme_get_current();
+ if(th) {
+ lv_table_set_style(new_table, LV_TABLE_STYLE_BG, th->style.table.bg);
+ lv_table_set_style(new_table, LV_TABLE_STYLE_CELL1, th->style.table.cell);
+ lv_table_set_style(new_table, LV_TABLE_STYLE_CELL2, th->style.table.cell);
+ lv_table_set_style(new_table, LV_TABLE_STYLE_CELL3, th->style.table.cell);
+ lv_table_set_style(new_table, LV_TABLE_STYLE_CELL4, th->style.table.cell);
+ } else {
+ lv_table_set_style(new_table, LV_TABLE_STYLE_BG, &lv_style_plain_color);
+ }
+ lv_obj_set_click(new_table, false); /*Can be removed if click support is added*/
+ }
+ /*Copy an existing table*/
+ else {
+ lv_table_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
+ ext->cell_style[0] = copy_ext->cell_style[0];
+ ext->cell_style[1] = copy_ext->cell_style[1];
+ ext->cell_style[2] = copy_ext->cell_style[2];
+ ext->cell_style[3] = copy_ext->cell_style[3];
+ lv_table_set_row_cnt(new_table, copy_ext->row_cnt);
+ lv_table_set_col_cnt(new_table, copy_ext->col_cnt);
+
+ /*Refresh the style with new signal function*/
+ lv_obj_refresh_style(new_table);
+ }
+
+ LV_LOG_INFO("table created");
+
+ return new_table;
+}
+
+/*=====================
+ * Setter functions
+ *====================*/
+
+/**
+ * Set the value of a cell.
+ * @param table pointer to a Table object
+ * @param row id of the row [0 .. row_cnt -1]
+ * @param col id of the column [0 .. col_cnt -1]
+ * @param txt text to display in the cell. It will be copied and saved so this variable is not
+ * required after this function call.
+ */
+void lv_table_set_cell_value(lv_obj_t * table, uint16_t row, uint16_t col, const char * txt)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+ LV_ASSERT_NULL(txt);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ if(row >= ext->row_cnt || col >= ext->col_cnt) {
+ LV_LOG_WARN("lv_table_set_cell_value: invalid row or column");
+ return;
+ }
+ uint32_t cell = row * ext->col_cnt + col;
+ lv_table_cell_format_t format;
+
+ /*Save the format byte*/
+ if(ext->cell_data[cell]) {
+ format.format_byte = ext->cell_data[cell][0];
+ }
+ /*Initialize the format byte*/
+ else {
+#if LV_USE_BIDI
+ lv_bidi_dir_t base_dir = lv_obj_get_base_dir(table);
+ if(base_dir == LV_BIDI_DIR_LTR) format.s.align = LV_LABEL_ALIGN_LEFT;
+ else if(base_dir == LV_BIDI_DIR_RTL) format.s.align = LV_LABEL_ALIGN_RIGHT;
+ else if(base_dir == LV_BIDI_DIR_AUTO) format.s.align = lv_bidi_detect_base_dir(txt);
+#else
+ format.s.align = LV_LABEL_ALIGN_LEFT;
+#endif
+
+ format.s.right_merge = 0;
+ format.s.type = 0;
+ format.s.crop = 0;
+ }
+
+ ext->cell_data[cell] = lv_mem_realloc(ext->cell_data[cell], strlen(txt) + 2); /*+1: trailing '\0; +1: format byte*/
+ strcpy(ext->cell_data[cell] + 1, txt); /*+1 to skip the format byte*/
+
+ ext->cell_data[cell][0] = format.format_byte;
+ refr_size(table);
+}
+
+/**
+ * Set the number of rows
+ * @param table table pointer to a Table object
+ * @param row_cnt number of rows
+ */
+void lv_table_set_row_cnt(lv_obj_t * table, uint16_t row_cnt)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ uint16_t old_row_cnt = ext->row_cnt;
+ ext->row_cnt = row_cnt;
+
+ if(ext->row_cnt > 0 && ext->col_cnt > 0) {
+ ext->cell_data = lv_mem_realloc(ext->cell_data, ext->row_cnt * ext->col_cnt * sizeof(char *));
+
+ /*Initilize the new fields*/
+ if(old_row_cnt < row_cnt) {
+ uint16_t old_cell_cnt = old_row_cnt * ext->col_cnt;
+ uint32_t new_cell_cnt = ext->col_cnt * ext->row_cnt;
+ memset(&ext->cell_data[old_cell_cnt], 0, (new_cell_cnt - old_cell_cnt) * sizeof(ext->cell_data[0]));
+ }
+ } else {
+ lv_mem_free(ext->cell_data);
+ ext->cell_data = NULL;
+ }
+
+ refr_size(table);
+}
+
+/**
+ * Set the number of columns
+ * @param table table pointer to a Table object
+ * @param col_cnt number of columns. Must be < LV_TABLE_COL_MAX
+ */
+void lv_table_set_col_cnt(lv_obj_t * table, uint16_t col_cnt)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ if(col_cnt >= LV_TABLE_COL_MAX) {
+ LV_LOG_WARN("lv_table_set_col_cnt: too many columns. Must be < LV_TABLE_COL_MAX.");
+ return;
+ }
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ uint16_t old_col_cnt = ext->col_cnt;
+ ext->col_cnt = col_cnt;
+
+ if(ext->row_cnt > 0 && ext->col_cnt > 0) {
+ ext->cell_data = lv_mem_realloc(ext->cell_data, ext->row_cnt * ext->col_cnt * sizeof(char *));
+ /*Initilize the new fields*/
+ if(old_col_cnt < col_cnt) {
+ uint16_t old_cell_cnt = old_col_cnt * ext->row_cnt;
+ uint32_t new_cell_cnt = ext->col_cnt * ext->row_cnt;
+ memset(&ext->cell_data[old_cell_cnt], 0, (new_cell_cnt - old_cell_cnt) * sizeof(ext->cell_data[0]));
+ }
+
+ } else {
+ lv_mem_free(ext->cell_data);
+ ext->cell_data = NULL;
+ }
+ refr_size(table);
+}
+
+/**
+ * Set the width of a column
+ * @param table table pointer to a Table object
+ * @param col_id id of the column [0 .. LV_TABLE_COL_MAX -1]
+ * @param w width of the column
+ */
+void lv_table_set_col_width(lv_obj_t * table, uint16_t col_id, lv_coord_t w)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ if(col_id >= LV_TABLE_COL_MAX) {
+ LV_LOG_WARN("lv_table_set_col_width: too big 'col_id'. Must be < LV_TABLE_COL_MAX.");
+ return;
+ }
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ ext->col_w[col_id] = w;
+ refr_size(table);
+}
+
+/**
+ * Set the text align in a cell
+ * @param table pointer to a Table object
+ * @param row id of the row [0 .. row_cnt -1]
+ * @param col id of the column [0 .. col_cnt -1]
+ * @param align LV_LABEL_ALIGN_LEFT or LV_LABEL_ALIGN_CENTER or LV_LABEL_ALIGN_RIGHT
+ */
+void lv_table_set_cell_align(lv_obj_t * table, uint16_t row, uint16_t col, lv_label_align_t align)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ if(row >= ext->row_cnt || col >= ext->col_cnt) {
+ LV_LOG_WARN("lv_table_set_cell_align: invalid row or column");
+ return;
+ }
+ uint32_t cell = row * ext->col_cnt + col;
+
+ if(ext->cell_data[cell] == NULL) {
+ ext->cell_data[cell] = lv_mem_alloc(2); /*+1: trailing '\0; +1: format byte*/
+ ext->cell_data[cell][0] = 0;
+ ext->cell_data[cell][1] = '\0';
+ }
+
+ lv_table_cell_format_t format;
+ format.format_byte = ext->cell_data[cell][0];
+ format.s.align = align;
+ ext->cell_data[cell][0] = format.format_byte;
+}
+
+/**
+ * Set the type of a cell.
+ * @param table pointer to a Table object
+ * @param row id of the row [0 .. row_cnt -1]
+ * @param col id of the column [0 .. col_cnt -1]
+ * @param type 1,2,3 or 4. The cell style will be chosen accordingly.
+ */
+void lv_table_set_cell_type(lv_obj_t * table, uint16_t row, uint16_t col, uint8_t type)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ if(row >= ext->row_cnt || col >= ext->col_cnt) {
+ LV_LOG_WARN("lv_table_set_cell_type: invalid row or column");
+ return;
+ }
+ uint32_t cell = row * ext->col_cnt + col;
+
+ if(ext->cell_data[cell] == NULL) {
+ ext->cell_data[cell] = lv_mem_alloc(2); /*+1: trailing '\0; +1: format byte*/
+ ext->cell_data[cell][0] = 0;
+ ext->cell_data[cell][1] = '\0';
+ }
+
+ if(type > 0) type--; /*User gives 1,2,3,4 but easier to handle 0, 1, 2, 3*/
+ if(type >= LV_TABLE_CELL_STYLE_CNT) type = LV_TABLE_CELL_STYLE_CNT - 1;
+
+ lv_table_cell_format_t format;
+ format.format_byte = ext->cell_data[cell][0];
+ format.s.type = type;
+ ext->cell_data[cell][0] = format.format_byte;
+}
+
+/**
+ * Set the cell crop. (Don't adjust the height of the cell according to its content)
+ * @param table pointer to a Table object
+ * @param row id of the row [0 .. row_cnt -1]
+ * @param col id of the column [0 .. col_cnt -1]
+ * @param crop true: crop the cell content; false: set the cell height to the content.
+ */
+void lv_table_set_cell_crop(lv_obj_t * table, uint16_t row, uint16_t col, bool crop)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ if(row >= ext->row_cnt || col >= ext->col_cnt) {
+ LV_LOG_WARN("lv_table_set_cell_crop: invalid row or column");
+ return;
+ }
+ uint32_t cell = row * ext->col_cnt + col;
+
+ if(ext->cell_data[cell] == NULL) {
+ ext->cell_data[cell] = lv_mem_alloc(2); /*+1: trailing '\0; +1: format byte*/
+ ext->cell_data[cell][0] = 0;
+ ext->cell_data[cell][1] = '\0';
+ }
+
+ lv_table_cell_format_t format;
+ format.format_byte = ext->cell_data[cell][0];
+ format.s.crop = crop;
+ ext->cell_data[cell][0] = format.format_byte;
+}
+
+/**
+ * Merge a cell with the right neighbor. The value of the cell to the right won't be displayed.
+ * @param table table pointer to a Table object
+ * @param row id of the row [0 .. row_cnt -1]
+ * @param col id of the column [0 .. col_cnt -1]
+ * @param en true: merge right; false: don't merge right
+ */
+void lv_table_set_cell_merge_right(lv_obj_t * table, uint16_t row, uint16_t col, bool en)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ if(row >= ext->row_cnt || col >= ext->col_cnt) {
+ LV_LOG_WARN("lv_table_set_cell_merge_right: invalid row or column");
+ return;
+ }
+
+ uint32_t cell = row * ext->col_cnt + col;
+
+ if(ext->cell_data[cell] == NULL) {
+ ext->cell_data[cell] = lv_mem_alloc(2); /*+1: trailing '\0; +1: format byte*/
+ ext->cell_data[cell][0] = 0;
+ ext->cell_data[cell][1] = '\0';
+ }
+
+ lv_table_cell_format_t format;
+ format.format_byte = ext->cell_data[cell][0];
+ format.s.right_merge = en ? 1 : 0;
+ ext->cell_data[cell][0] = format.format_byte;
+ refr_size(table);
+}
+
+/**
+ * Set a style of a table.
+ * @param table pointer to table object
+ * @param type which style should be set
+ * @param style pointer to a style
+ */
+void lv_table_set_style(lv_obj_t * table, lv_table_style_t type, const lv_style_t * style)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+
+ switch(type) {
+ case LV_TABLE_STYLE_BG:
+ lv_obj_set_style(table, style);
+ refr_size(table);
+ break;
+ case LV_TABLE_STYLE_CELL1:
+ ext->cell_style[0] = style;
+ refr_size(table);
+ break;
+ case LV_TABLE_STYLE_CELL2:
+ ext->cell_style[1] = style;
+ refr_size(table);
+ break;
+ case LV_TABLE_STYLE_CELL3:
+ ext->cell_style[2] = style;
+ refr_size(table);
+ break;
+ case LV_TABLE_STYLE_CELL4:
+ ext->cell_style[3] = style;
+ refr_size(table);
+ break;
+ }
+}
+
+/*=====================
+ * Getter functions
+ *====================*/
+
+/**
+ * Get the value of a cell.
+ * @param table pointer to a Table object
+ * @param row id of the row [0 .. row_cnt -1]
+ * @param col id of the column [0 .. col_cnt -1]
+ * @return text in the cell
+ */
+const char * lv_table_get_cell_value(lv_obj_t * table, uint16_t row, uint16_t col)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ if(row >= ext->row_cnt || col >= ext->col_cnt) {
+ LV_LOG_WARN("lv_table_set_cell_value: invalid row or column");
+ return "";
+ }
+ uint32_t cell = row * ext->col_cnt + col;
+
+ if(ext->cell_data[cell] == NULL) return "";
+
+ return &ext->cell_data[cell][1]; /*Skip the format byte*/
+}
+
+/**
+ * Get the number of rows.
+ * @param table table pointer to a Table object
+ * @return number of rows.
+ */
+uint16_t lv_table_get_row_cnt(lv_obj_t * table)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ return ext->row_cnt;
+}
+
+/**
+ * Get the number of columns.
+ * @param table table pointer to a Table object
+ * @return number of columns.
+ */
+uint16_t lv_table_get_col_cnt(lv_obj_t * table)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ return ext->col_cnt;
+}
+
+/**
+ * Get the width of a column
+ * @param table table pointer to a Table object
+ * @param col_id id of the column [0 .. LV_TABLE_COL_MAX -1]
+ * @return width of the column
+ */
+lv_coord_t lv_table_get_col_width(lv_obj_t * table, uint16_t col_id)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ if(col_id >= LV_TABLE_COL_MAX) {
+ LV_LOG_WARN("lv_table_set_col_width: too big 'col_id'. Must be < LV_TABLE_COL_MAX.");
+ return 0;
+ }
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ return ext->col_w[col_id];
+}
+
+/**
+ * Get the text align of a cell
+ * @param table pointer to a Table object
+ * @param row id of the row [0 .. row_cnt -1]
+ * @param col id of the column [0 .. col_cnt -1]
+ * @return LV_LABEL_ALIGN_LEFT (default in case of error) or LV_LABEL_ALIGN_CENTER or
+ * LV_LABEL_ALIGN_RIGHT
+ */
+lv_label_align_t lv_table_get_cell_align(lv_obj_t * table, uint16_t row, uint16_t col)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ if(row >= ext->row_cnt || col >= ext->col_cnt) {
+ LV_LOG_WARN("lv_table_set_cell_align: invalid row or column");
+ return LV_LABEL_ALIGN_LEFT; /*Just return with something*/
+ }
+ uint32_t cell = row * ext->col_cnt + col;
+
+ if(ext->cell_data[cell] == NULL)
+ return LV_LABEL_ALIGN_LEFT; /*Just return with something*/
+ else {
+ lv_table_cell_format_t format;
+ format.format_byte = ext->cell_data[cell][0];
+ return format.s.align;
+ }
+}
+
+/**
+ * Get the type of a cell
+ * @param table pointer to a Table object
+ * @param row id of the row [0 .. row_cnt -1]
+ * @param col id of the column [0 .. col_cnt -1]
+ * @return 1,2,3 or 4
+ */
+lv_label_align_t lv_table_get_cell_type(lv_obj_t * table, uint16_t row, uint16_t col)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ if(row >= ext->row_cnt || col >= ext->col_cnt) {
+ LV_LOG_WARN("lv_table_get_cell_type: invalid row or column");
+ return 1; /*Just return with something*/
+ }
+ uint32_t cell = row * ext->col_cnt + col;
+
+ if(ext->cell_data[cell] == NULL)
+ return 1; /*Just return with something*/
+ else {
+ lv_table_cell_format_t format;
+ format.format_byte = ext->cell_data[cell][0];
+ return format.s.type + 1; /*0,1,2,3 is stored but user sees 1,2,3,4*/
+ }
+}
+
+/**
+ * Get the crop property of a cell
+ * @param table pointer to a Table object
+ * @param row id of the row [0 .. row_cnt -1]
+ * @param col id of the column [0 .. col_cnt -1]
+ * @return true: text crop enabled; false: disabled
+ */
+lv_label_align_t lv_table_get_cell_crop(lv_obj_t * table, uint16_t row, uint16_t col)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ if(row >= ext->row_cnt || col >= ext->col_cnt) {
+ LV_LOG_WARN("lv_table_get_cell_crop: invalid row or column");
+ return false; /*Just return with something*/
+ }
+ uint32_t cell = row * ext->col_cnt + col;
+
+ if(ext->cell_data[cell] == NULL)
+ return false; /*Just return with something*/
+ else {
+ lv_table_cell_format_t format;
+ format.format_byte = ext->cell_data[cell][0];
+ return format.s.crop;
+ }
+}
+
+/**
+ * Get the cell merge attribute.
+ * @param table table pointer to a Table object
+ * @param row id of the row [0 .. row_cnt -1]
+ * @param col id of the column [0 .. col_cnt -1]
+ * @return true: merge right; false: don't merge right
+ */
+bool lv_table_get_cell_merge_right(lv_obj_t * table, uint16_t row, uint16_t col)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ if(row >= ext->row_cnt || col >= ext->col_cnt) {
+ LV_LOG_WARN("lv_table_get_cell_merge_right: invalid row or column");
+ return false;
+ }
+
+ uint32_t cell = row * ext->col_cnt + col;
+
+ if(ext->cell_data[cell] == NULL)
+ return false;
+ else {
+ lv_table_cell_format_t format;
+ format.format_byte = ext->cell_data[cell][0];
+ return format.s.right_merge ? true : false;
+ }
+}
+
+/**
+ * Get style of a table.
+ * @param table pointer to table object
+ * @param type which style should be get
+ * @return style pointer to the style
+ */
+const lv_style_t * lv_table_get_style(const lv_obj_t * table, lv_table_style_t type)
+{
+ LV_ASSERT_OBJ(table, LV_OBJX_NAME);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ const lv_style_t * style = NULL;
+
+ switch(type) {
+ case LV_TABLE_STYLE_BG: style = lv_obj_get_style(table); break;
+ case LV_TABLE_STYLE_CELL1: style = ext->cell_style[0]; break;
+ case LV_TABLE_STYLE_CELL2: style = ext->cell_style[1]; break;
+ case LV_TABLE_STYLE_CELL3: style = ext->cell_style[2]; break;
+ case LV_TABLE_STYLE_CELL4: style = ext->cell_style[3]; break;
+ default: return NULL;
+ }
+
+ return style;
+}
+
+/**********************
+ * STATIC FUNCTIONS
+ **********************/
+
+/**
+ * Handle the drawing related tasks of the tables
+ * @param table pointer to an object
+ * @param mask the object will be drawn only in this area
+ * @param mode LV_DESIGN_COVER_CHK: only check if the object fully covers the 'mask_p' area
+ * (return 'true' if yes)
+ * LV_DESIGN_DRAW: draw the object (always return 'true')
+ * LV_DESIGN_DRAW_POST: drawing after every children are drawn
+ * @param return true/false, depends on 'mode'
+ */
+static bool lv_table_design(lv_obj_t * table, const lv_area_t * mask, lv_design_mode_t mode)
+{
+ /*Return false if the object is not covers the mask_p area*/
+ if(mode == LV_DESIGN_COVER_CHK) {
+ return false;
+ }
+ /*Draw the object*/
+ else if(mode == LV_DESIGN_DRAW_MAIN) {
+ ancestor_scrl_design(table, mask, mode);
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ const lv_style_t * bg_style = lv_obj_get_style(table);
+ lv_coord_t h_row;
+ lv_point_t txt_size;
+ lv_area_t cell_area;
+ lv_area_t txt_area;
+ lv_txt_flag_t txt_flags;
+ lv_opa_t opa_scale = lv_obj_get_opa_scale(table);
+
+ uint16_t col;
+ uint16_t row;
+ uint16_t cell = 0;
+
+ cell_area.y2 = table->coords.y1 + bg_style->body.padding.top;
+ for(row = 0; row < ext->row_cnt; row++) {
+ h_row = get_row_height(table, row);
+
+ cell_area.y1 = cell_area.y2 + 1;
+ cell_area.y2 = cell_area.y1 + h_row - 1;
+
+ cell_area.x2 = table->coords.x1 + bg_style->body.padding.left;
+
+ for(col = 0; col < ext->col_cnt; col++) {
+
+ lv_table_cell_format_t format;
+ if(ext->cell_data[cell]) {
+ format.format_byte = ext->cell_data[cell][0];
+ } else {
+ format.s.right_merge = 0;
+ format.s.align = LV_LABEL_ALIGN_LEFT;
+ format.s.type = 0;
+ format.s.crop = 1;
+ }
+
+
+ lv_style_t cell_style;
+ lv_style_copy(&cell_style, ext->cell_style[format.s.type]);
+ cell_area.x1 = cell_area.x2 + 1;
+ cell_area.x2 = cell_area.x1 + ext->col_w[col] - 1;
+
+ uint16_t col_merge = 0;
+ for(col_merge = 0; col_merge + col < ext->col_cnt - 1; col_merge++) {
+
+ if(ext->cell_data[cell + col_merge] != NULL) {
+ format.format_byte = ext->cell_data[cell + col_merge][0];
+ if(format.s.right_merge)
+ cell_area.x2 += ext->col_w[col + col_merge + 1];
+ else
+ break;
+ } else {
+ break;
+ }
+ }
+
+ lv_draw_rect(&cell_area, mask, &cell_style, opa_scale);
+
+ if(ext->cell_data[cell]) {
+
+ txt_area.x1 = cell_area.x1 + cell_style.body.padding.left;
+ txt_area.x2 = cell_area.x2 - cell_style.body.padding.right;
+ txt_area.y1 = cell_area.y1 + cell_style.body.padding.top;
+ txt_area.y2 = cell_area.y2 - cell_style.body.padding.bottom;
+ /*Align the content to the middle if not cropped*/
+ if(format.s.crop == 0) {
+ txt_flags = LV_TXT_FLAG_NONE;
+ } else {
+ txt_flags = LV_TXT_FLAG_EXPAND;
+ }
+
+ lv_txt_get_size(&txt_size, ext->cell_data[cell] + 1, cell_style.text.font,
+ cell_style.text.letter_space, cell_style.text.line_space,
+ lv_area_get_width(&txt_area), txt_flags);
+
+ /*Align the content to the middle if not cropped*/
+ if(format.s.crop == 0) {
+ 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;
+ }
+
+ switch(format.s.align) {
+ default:
+ case LV_LABEL_ALIGN_LEFT: txt_flags |= LV_TXT_FLAG_NONE; break;
+ case LV_LABEL_ALIGN_RIGHT: txt_flags |= LV_TXT_FLAG_RIGHT; break;
+ case LV_LABEL_ALIGN_CENTER: txt_flags |= LV_TXT_FLAG_CENTER; break;
+ }
+
+ lv_area_t label_mask;
+ bool label_mask_ok;
+ label_mask_ok = lv_area_intersect(&label_mask, mask, &cell_area);
+ if(label_mask_ok) {
+ lv_draw_label(&txt_area, &label_mask, &cell_style, opa_scale, ext->cell_data[cell] + 1,
+ txt_flags, NULL, NULL, NULL, lv_obj_get_base_dir(table));
+ }
+ /*Draw lines after '\n's*/
+ lv_point_t p1;
+ lv_point_t p2;
+ p1.x = cell_area.x1;
+ p2.x = cell_area.x2;
+ uint16_t i;
+ for(i = 1; ext->cell_data[cell][i] != '\0'; i++) {
+ if(ext->cell_data[cell][i] == '\n') {
+ ext->cell_data[cell][i] = '\0';
+ lv_txt_get_size(&txt_size, ext->cell_data[cell] + 1, cell_style.text.font,
+ cell_style.text.letter_space, cell_style.text.line_space,
+ lv_area_get_width(&txt_area), txt_flags);
+
+ p1.y = txt_area.y1 + txt_size.y + cell_style.text.line_space / 2;
+ p2.y = txt_area.y1 + txt_size.y + cell_style.text.line_space / 2;
+ lv_draw_line(&p1, &p2, mask, &cell_style, opa_scale);
+
+ ext->cell_data[cell][i] = '\n';
+ }
+ }
+ }
+
+ cell += col_merge + 1;
+ col += col_merge;
+ }
+ }
+ }
+ /*Post draw when the children are drawn*/
+ else if(mode == LV_DESIGN_DRAW_POST) {
+ }
+
+ return true;
+}
+
+/**
+ * Signal function of the table
+ * @param table pointer to a table object
+ * @param sign a signal type from lv_signal_t enum
+ * @param param pointer to a signal specific variable
+ * @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted
+ */
+static lv_res_t lv_table_signal(lv_obj_t * table, lv_signal_t sign, void * param)
+{
+ lv_res_t res;
+
+ /* Include the ancient signal function */
+ res = ancestor_signal(table, sign, param);
+ if(res != LV_RES_OK) return res;
+ if(sign == LV_SIGNAL_GET_TYPE) return lv_obj_handle_get_type_signal(param, LV_OBJX_NAME);
+
+ if(sign == LV_SIGNAL_CLEANUP) {
+ /*Free the cell texts*/
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ uint16_t cell;
+ for(cell = 0; cell < ext->col_cnt * ext->row_cnt; cell++) {
+ if(ext->cell_data[cell]) {
+ lv_mem_free(ext->cell_data[cell]);
+ ext->cell_data[cell] = NULL;
+ }
+ }
+ if(ext->cell_data != NULL)
+ lv_mem_free(ext->cell_data);
+ }
+
+ return res;
+}
+
+static void refr_size(lv_obj_t * table)
+{
+ lv_coord_t h = 0;
+ lv_coord_t w = 0;
+
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+
+ uint16_t i;
+ for(i = 0; i < ext->col_cnt; i++) {
+ w += ext->col_w[i];
+ }
+ for(i = 0; i < ext->row_cnt; i++) {
+ h += get_row_height(table, i);
+ }
+
+ const lv_style_t * bg_style = lv_obj_get_style(table);
+
+ w += bg_style->body.padding.left + bg_style->body.padding.right;
+ h += bg_style->body.padding.top + bg_style->body.padding.bottom;
+
+ lv_obj_set_size(table, w + 1, h + 1);
+ lv_obj_invalidate(table);
+}
+
+static lv_coord_t get_row_height(lv_obj_t * table, uint16_t row_id)
+{
+ lv_table_ext_t * ext = lv_obj_get_ext_attr(table);
+ lv_point_t txt_size;
+ lv_coord_t txt_w;
+ const lv_style_t * cell_style;
+
+ uint16_t row_start = row_id * ext->col_cnt;
+ uint16_t cell;
+ uint16_t col;
+ lv_coord_t h_max = lv_font_get_line_height(ext->cell_style[0]->text.font) + ext->cell_style[0]->body.padding.top +
+ ext->cell_style[0]->body.padding.bottom;
+
+ for(cell = row_start, col = 0; cell < row_start + ext->col_cnt; cell++, col++) {
+ if(ext->cell_data[cell] != NULL) {
+
+ txt_w = ext->col_w[col];
+ uint16_t col_merge = 0;
+ for(col_merge = 0; col_merge + col < ext->col_cnt - 1; col_merge++) {
+
+ if(ext->cell_data[cell + col_merge] != NULL) {
+ lv_table_cell_format_t format;
+ format.format_byte = ext->cell_data[cell + col_merge][0];
+ if(format.s.right_merge)
+ txt_w += ext->col_w[col + col_merge + 1];
+ else
+ break;
+ } else {
+ break;
+ }
+ }
+
+ lv_table_cell_format_t format;
+ format.format_byte = ext->cell_data[cell][0];
+ cell_style = ext->cell_style[format.s.type];
+
+ /*With text crop assume 1 line*/
+ if(format.s.crop) {
+ h_max = LV_MATH_MAX(lv_font_get_line_height(cell_style->text.font) + cell_style->body.padding.top +
+ cell_style->body.padding.bottom,
+ h_max);
+ }
+ /*Without text crop calculate the height of the text in the cell*/
+ else {
+ txt_w -= cell_style->body.padding.left + cell_style->body.padding.right;
+
+ lv_txt_get_size(&txt_size, ext->cell_data[cell] + 1, cell_style->text.font,
+ cell_style->text.letter_space, cell_style->text.line_space, txt_w, LV_TXT_FLAG_NONE);
+
+ h_max = LV_MATH_MAX(txt_size.y + cell_style->body.padding.top + cell_style->body.padding.bottom, h_max);
+ cell += col_merge;
+ col += col_merge;
+ }
+ }
+ }
+
+ return h_max;
+}
+
+#endif
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