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feat(table): add support the get the selected cell + keypad navigation

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This commit is contained in:
Gabor Kiss-Vamosi 2021-02-24 09:56:44 +01:00
parent ba89ea35a2
commit 027a82dc35
3 changed files with 292 additions and 329 deletions
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53
examples/widgets/table/lv_example_table_2.c
View File

@ -9,22 +9,41 @@ static void event_cb(lv_obj_t * obj, lv_event_t e)
lv_obj_draw_hook_dsc_t * hook_dsc = lv_event_get_param();
/*If the cells are drawn...*/
if(hook_dsc->part == LV_PART_ITEMS) {
uint32_t row = hook_dsc->id;
bool chk = lv_table_has_cell_ctrl(obj, hook_dsc->id, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
/*Make the texts in the first cell center aligned*/
if(row == 0) {
hook_dsc->label_dsc->align = LV_TEXT_ALIGN_CENTER;
hook_dsc->rect_dsc->bg_color = lv_color_mix(lv_color_blue(), hook_dsc->rect_dsc->bg_color, LV_OPA_20);
hook_dsc->rect_dsc->bg_opa = LV_OPA_COVER;
}
lv_draw_rect_dsc_t rect_dsc;
lv_draw_rect_dsc_init(&rect_dsc);
rect_dsc.bg_color = chk ? lv_color_green() : lv_color_grey_lighten_2();
rect_dsc.radius = LV_RADIUS_CIRCLE;
/*Make every 2nd row grayish*/
if((row != 0 && row % 2) == 0) {
hook_dsc->rect_dsc->bg_color = lv_color_mix(lv_color_grey(), hook_dsc->rect_dsc->bg_color, LV_OPA_10);
hook_dsc->rect_dsc->bg_opa = LV_OPA_COVER;
lv_area_t sw_area;
sw_area.x1 = hook_dsc->draw_area->x2 - 50;
sw_area.x2 = sw_area.x1 + 40;
sw_area.y1 = hook_dsc->draw_area->y1 + lv_area_get_height(hook_dsc->draw_area) / 2 - 10;
sw_area.y2 = sw_area.y1 + 20;
lv_draw_rect(&sw_area, hook_dsc->clip_area, &rect_dsc);
rect_dsc.bg_color = lv_color_white();
if(chk) {
sw_area.x2 -= 2;
sw_area.x1 = sw_area.x2 - 16;
} else {
sw_area.x1 += 2;
sw_area.x2 = sw_area.x1 + 16;
}
sw_area.y1 += 2;
sw_area.y2 -= 2;
lv_draw_rect(&sw_area, hook_dsc->clip_area, &rect_dsc);
}
}
else if(e == LV_EVENT_VALUE_CHANGED) {
uint16_t col;
uint16_t row;
lv_table_get_selected_cell(obj, &row, &col);
bool chk = lv_table_has_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
if(chk) lv_table_clear_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
else lv_table_add_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
}
}
@ -40,20 +59,26 @@ void lv_example_table_2(void)
uint32_t t = lv_tick_get();
lv_obj_t * table = lv_table_create(lv_scr_act(), NULL);
/*Set a smaller height to the table. It'll make it scrollable*/
lv_obj_set_size(table, 150, 200);
lv_table_set_col_width(table, 0, 150);
lv_table_set_row_cnt(table, ITEM_CNT); /*Not required but avoids a lot of memory reallocation lv_table_set_set_value */
lv_table_set_col_cnt(table, 1);
/*Don't make the cell pressed, we will draw something different in the event*/
lv_obj_remove_style(table, LV_PART_ITEMS, LV_STATE_PRESSED, NULL);
uint32_t i;
for(i = 0; i < ITEM_CNT; i++) {
lv_table_set_cell_value_fmt(table, i, 0, "Item %d", i + 1);
}
/*Set a smaller height to the table. It'll make it scrollable*/
lv_obj_set_height(table, 200);
lv_obj_align(table, NULL, LV_ALIGN_CENTER, 0, -20);
/*Add an event callback to to apply some custom drawing*/
// lv_obj_add_event_cb(table, event_cb, NULL);
lv_obj_add_event_cb(table, event_cb, NULL);
lv_mem_monitor_t mon2;
lv_mem_monitor(&mon2);

429
src/lv_widgets/lv_table.c
View File

@ -37,6 +37,7 @@ static lv_coord_t get_row_height(lv_obj_t * obj, uint16_t row_id, const lv_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);
static lv_res_t get_pressed_cell(lv_obj_t * obj, uint16_t * row, uint16_t * col);
/**********************
* STATIC VARIABLES
@ -57,12 +58,6 @@ const lv_obj_class_t lv_table_class = {
* 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 * parent, const lv_obj_t * copy)
{
return lv_obj_create_from_class(&lv_table_class, parent, copy);
@ -72,14 +67,6 @@ lv_obj_t * lv_table_create(lv_obj_t * parent, const lv_obj_t * copy)
* 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 * obj, uint16_t row, uint16_t col, const char * txt)
{
LV_ASSERT_OBJ(obj, MY_CLASS);
@ -92,19 +79,12 @@ void lv_table_set_cell_value(lv_obj_t * obj, uint16_t row, uint16_t col, const c
if(row >= table->row_cnt) lv_table_set_row_cnt(obj, row + 1);
uint32_t cell = row * table->col_cnt + col;
lv_table_cell_format_t format;
lv_table_cell_ctrl_t ctrl = 0;
/*Save the format byte*/
if(table->cell_data[cell]) {
format.format_byte = table->cell_data[cell][0];
}
/*Initialize the format byte*/
else {
format.s.right_merge = 0;
format.s.crop = 0;
}
/*Save the control byte*/
if(table->cell_data[cell]) ctrl = table->cell_data[cell][0];
#if LV_USE_ARABIC_PERSIAN_CHARS
#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);
@ -119,17 +99,10 @@ void lv_table_set_cell_value(lv_obj_t * obj, uint16_t row, uint16_t col, const c
strcpy(table->cell_data[cell] + 1, txt); /*+1 to skip the format byte*/
#endif
table->cell_data[cell][0] = format.format_byte;
table->cell_data[cell][0] = ctrl;
refr_size(obj) ;
}
/**
* Set the value of a cell. Memory will be allocated to store the text by the table.
* @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 fmt `printf`-like format
*/
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);
@ -147,17 +120,10 @@ void lv_table_set_cell_value_fmt(lv_obj_t * obj, uint16_t row, uint16_t col, con
}
uint32_t cell = row * table->col_cnt + col;
lv_table_cell_format_t format;
lv_table_cell_ctrl_t ctrl;
/*Save the format byte*/
if(table->cell_data[cell]) {
format.format_byte = table->cell_data[cell][0];
}
/*Initialize the format byte*/
else {
format.s.right_merge = 0;
format.s.crop = 0;
}
/*Save the control byte*/
if(table->cell_data[cell]) ctrl= table->cell_data[cell][0];
va_list ap, ap2;
va_start(ap, fmt);
@ -204,15 +170,10 @@ void lv_table_set_cell_value_fmt(lv_obj_t * obj, uint16_t row, uint16_t col, con
va_end(ap2);
table->cell_data[cell][0] = format.format_byte;
table->cell_data[cell][0] = ctrl;
refr_size(obj) ;
}
/**
* 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 * obj, uint16_t row_cnt)
{
LV_ASSERT_OBJ(obj, MY_CLASS);
@ -239,11 +200,6 @@ void lv_table_set_row_cnt(lv_obj_t * obj, uint16_t row_cnt)
refr_size(obj) ;
}
/**
* Set the number of columns
* @param table table pointer to a Table object
* @param col_cnt number of columns.
*/
void lv_table_set_col_cnt(lv_obj_t * obj, uint16_t col_cnt)
{
LV_ASSERT_OBJ(obj, MY_CLASS);
@ -288,12 +244,6 @@ void lv_table_set_col_cnt(lv_obj_t * obj, uint16_t col_cnt)
refr_size(obj) ;
}
/**
* 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 * obj, uint16_t col_id, lv_coord_t w)
{
LV_ASSERT_OBJ(obj, MY_CLASS);
@ -307,14 +257,7 @@ void lv_table_set_col_width(lv_obj_t * obj, uint16_t col_id, lv_coord_t w)
refr_size(obj) ;
}
/**
* 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 * obj, uint16_t row, uint16_t col, bool crop)
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);
@ -335,20 +278,10 @@ void lv_table_set_cell_crop(lv_obj_t * obj, uint16_t row, uint16_t col, bool cro
table->cell_data[cell][1] = '\0';
}
lv_table_cell_format_t format;
format.format_byte = table->cell_data[cell][0];
format.s.crop = crop;
table->cell_data[cell][0] = format.format_byte;
table->cell_data[cell][0] |= ctrl;
}
/**
* 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 * obj, uint16_t row, uint16_t col, bool en)
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);
@ -369,25 +302,13 @@ void lv_table_set_cell_merge_right(lv_obj_t * obj, uint16_t row, uint16_t col, b
table->cell_data[cell][1] = '\0';
}
lv_table_cell_format_t format;
format.format_byte = table->cell_data[cell][0];
format.s.right_merge = en ? 1 : 0;
table->cell_data[cell][0] = format.format_byte;
refr_size(obj) ;
table->cell_data[cell][0] &= (~ctrl);
}
/*=====================
* 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 * obj, uint16_t row, uint16_t col)
{
LV_ASSERT_OBJ(obj, MY_CLASS);
@ -404,11 +325,6 @@ const char * lv_table_get_cell_value(lv_obj_t * obj, uint16_t row, uint16_t col)
return &table->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 * obj)
{
LV_ASSERT_OBJ(obj, MY_CLASS);
@ -417,11 +333,6 @@ uint16_t lv_table_get_row_cnt(lv_obj_t * obj)
return table->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 * obj)
{
LV_ASSERT_OBJ(obj, MY_CLASS);
@ -430,130 +341,40 @@ uint16_t lv_table_get_col_cnt(lv_obj_t * obj)
return table->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 * obj, uint16_t col_id)
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_id >= table->col_cnt) {
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_id];
return table->col_w[col];
}
/**
* 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
*/
bool lv_table_get_cell_crop(lv_obj_t * obj, uint16_t row, uint16_t 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; /*Just return with something*/
return false;
}
uint32_t cell = row * table->col_cnt + col;
if(table->cell_data[cell] == NULL)
return false; /*Just return with something*/
else {
lv_table_cell_format_t format;
format.format_byte = table->cell_data[cell][0];
return format.s.crop;
}
if(table->cell_data[cell] == NULL) return false;
else return (table->cell_data[cell][0] & ctrl) == ctrl ? true : false;
}
/**
* 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 * 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_get_cell_merge_right: invalid row or column");
return false;
}
uint32_t cell = row * table->col_cnt + col;
if(table->cell_data[cell] == NULL)
return false;
else {
lv_table_cell_format_t format;
format.format_byte = table->cell_data[cell][0];
return format.s.right_merge ? true : false;
}
}
/**
* Get the last pressed or being pressed cell
* @param table pointer to a table object
* @param row pointer to variable to store the pressed row
* @param col pointer to variable to store the pressed column
* @return LV_RES_OK: a valid pressed cell was found, LV_RES_INV: no valid cell is pressed
*/
lv_res_t lv_table_get_pressed_cell(lv_obj_t * obj, uint16_t * row, uint16_t * col)
void lv_table_get_selected_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 = 0xFFFF;
if(row) *row = 0xFFFF;
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;
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;
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;
*row = table->row_act;
*col = table->col_act;
}
/**********************
@ -639,15 +460,18 @@ static lv_draw_res_t lv_table_draw(lv_obj_t * obj, const lv_area_t * clip_area,
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_draw_rect_dsc_t rect_dsc_base;
lv_draw_rect_dsc_t rect_dsc_act; /*Passed to the draw_cb to modify it*/
lv_draw_rect_dsc_init(&rect_dsc_base);
lv_obj_init_draw_rect_dsc(obj, LV_PART_ITEMS, &rect_dsc_base);
lv_state_t state_ori = obj->state;
obj->state = LV_STATE_DEFAULT;
lv_draw_rect_dsc_t rect_dsc_def;
lv_draw_rect_dsc_t rect_dsc_act; /*Passed to the draw_hook 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_base;
lv_draw_label_dsc_t label_dsc_act; /*Passed to the draw_cb to modify it*/
lv_draw_label_dsc_init(&label_dsc_base);
lv_obj_init_draw_label_dsc(obj, LV_PART_ITEMS, &label_dsc_base);
lv_draw_label_dsc_t label_dsc_def;
lv_draw_label_dsc_t label_dsc_act; /*Passed to the draw_hook 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;
uint16_t col;
uint16_t row;
@ -676,14 +500,8 @@ static lv_draw_res_t lv_table_draw(lv_obj_t * obj, const lv_area_t * clip_area,
else cell_area.x2 = obj->coords.x1 + bg_left - 1 - scroll_x;
for(col = 0; col < table->col_cnt; col++) {
lv_table_cell_format_t format;
if(table->cell_data[cell]) {
format.format_byte = table->cell_data[cell][0];
}
else {
format.s.right_merge = 0;
format.s.crop = 1;
}
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;
@ -697,8 +515,9 @@ static lv_draw_res_t lv_table_draw(lv_obj_t * obj, const lv_area_t * clip_area,
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]) {
format.format_byte = table->cell_data[cell + col_merge][0];
if(format.s.right_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 {
@ -719,22 +538,45 @@ static lv_draw_res_t lv_table_draw(lv_obj_t * obj, const lv_area_t * clip_area,
/*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_base.border_side & LV_BORDER_SIDE_LEFT) && cell_area_border.x1 > obj->coords.x1 + bg_left) {
cell_area_border.x1 -= rect_dsc_base.border_width / 2;
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_base.border_side & LV_BORDER_SIDE_TOP) && cell_area_border.y1 > obj->coords.y1 + bg_top) {
cell_area_border.y1 -= rect_dsc_base.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_base.border_side & LV_BORDER_SIDE_RIGHT) && cell_area_border.x2 < obj->coords.x2 - bg_right - 1) {
cell_area_border.x2 += rect_dsc_base.border_width / 2 + (rect_dsc_base.border_width & 0x1);
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_base.border_side & LV_BORDER_SIDE_BOTTOM) &&
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_base.border_width / 2 + (rect_dsc_base.border_width & 0x1);
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_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->style_list.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->style_list.skip_trans = 0;
}
lv_memcpy(&rect_dsc_act, &rect_dsc_base, sizeof(lv_draw_rect_dsc_t));
lv_memcpy(&label_dsc_act, &label_dsc_base, sizeof(lv_draw_label_dsc_t));
hook_dsc.draw_area = &cell_area_border;
hook_dsc.id = row * table->col_cnt + col;
lv_event_send(obj, LV_EVENT_DRAW_PART_BEGIN, &hook_dsc);
@ -748,15 +590,16 @@ static lv_draw_res_t lv_table_draw(lv_obj_t * obj, const lv_area_t * clip_area,
txt_area.y2 = cell_area.y2 - cell_bottom;
/*Align the content to the middle if not cropped*/
if(format.s.crop == 0) txt_flags = LV_TEXT_FLAG_NONE;
else txt_flags = LV_TEXT_FLAG_EXPAND;
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_base.font,
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(format.s.crop == 0) {
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;
}
@ -809,6 +652,64 @@ static lv_res_t lv_table_signal(lv_obj_t * obj, lv_signal_t sign, void * param)
p->x = w;
p->y = h;
}
else if(sign == LV_SIGNAL_PRESSED || sign == LV_SIGNAL_PRESSING) {
uint16_t col;
uint16_t row;
get_pressed_cell(obj, &row, &col);
if(table->col_act != col || table->row_act != row) {
table->col_act = col;
table->row_act = row;
lv_obj_invalidate(obj);
}
}
else if(sign == LV_SIGNAL_RELEASED) {
lv_indev_t * indev = lv_indev_get_act();
lv_obj_t * scroll_obj = lv_indev_get_scroll_obj(indev);
if(table->col_act != 0xFFFF && table->row_act != 0xFFFF && scroll_obj == NULL) {
res = lv_event_send(obj, LV_EVENT_VALUE_CHANGED, NULL);
if(res != LV_RES_OK) return res;
}
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 = 0xFFFF;
table->row_act = 0xFFFF;
lv_obj_invalidate(obj);
}
}
else if(sign == LV_SIGNAL_CONTROL) {
int32_t c = *((int32_t *)param);
int32_t col = table->col_act;
int32_t row = table->row_act;
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++;
if(col >= table->col_cnt) {
col = 0;
row++;
} else if (col < 0) {
col = table->col_cnt - 1;
row--;
}
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 res;
}
}
return res;
}
@ -857,9 +758,10 @@ static lv_coord_t get_row_height(lv_obj_t * obj, uint16_t row_id, const lv_font_
for(col_merge = 0; col_merge + col < table->col_cnt - 1; col_merge++) {
if(table->cell_data[cell + col_merge] != NULL) {
lv_table_cell_format_t format;
format.format_byte = table->cell_data[cell + col_merge][0];
if(format.s.right_merge)
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;
@ -869,11 +771,11 @@ static lv_coord_t get_row_height(lv_obj_t * obj, uint16_t row_id, const lv_font_
}
}
lv_table_cell_format_t format;
format.format_byte = table->cell_data[cell][0];
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(format.s.crop) {
if(ctrl & LV_TABLE_CELL_CTRL_TEXT_CROP) {
h_max = LV_MAX(lv_font_get_line_height(font) + cell_top + cell_bottom,
h_max);
}
@ -894,4 +796,49 @@ static lv_coord_t get_row_height(lv_obj_t * obj, uint16_t row_id, const lv_font_
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 = 0xFFFF;
if(row) *row = 0xFFFF;
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);
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

139
src/lv_widgets/lv_table.h
View File

@ -28,25 +28,23 @@ extern "C" {
/*********************
* DEFINES
*********************/
#define LV_TABLE_CELL_NONE 0XFFFF
LV_EXPORT_CONST_INT(LV_TABLE_CELL_NONE);
/**********************
* TYPEDEFS
**********************/
typedef bool (*lv_table_cell_draw_cb_t)(lv_obj_t * table, uint32_t row, uint32_t cell, lv_draw_rect_dsc_t * rect_draw_dsc, lv_draw_label_dsc_t * label_draw_dsc, const lv_area_t * draw_area, const lv_area_t * clip_area);
enum {
LV_TABLE_CELL_CTRL_MERGE_RIGHT = 1 << 0,
LV_TABLE_CELL_CTRL_TEXT_CROP = 1 << 1,
LV_TABLE_CELL_CTRL_CUSTOM_1 = 1 << 4,
LV_TABLE_CELL_CTRL_CUSTOM_2 = 1 << 5,
LV_TABLE_CELL_CTRL_CUSTOM_3 = 1 << 6,
LV_TABLE_CELL_CTRL_CUSTOM_4 = 1 << 7,
};
/**
* Internal table cell format structure.
*
* Use the `lv_table` APIs instead.
*/
typedef union {
struct {
uint8_t right_merge : 1;
uint8_t crop : 1;
} s;
uint8_t format_byte;
} lv_table_cell_format_t;
typedef uint8_t lv_table_cell_ctrl_t;
/*Data of table*/
typedef struct {
@ -56,6 +54,8 @@ typedef struct {
char ** cell_data;
lv_coord_t * row_h;
lv_coord_t * col_w;
uint16_t col_act;
uint16_t row_act;
} lv_table_t;
extern const lv_obj_class_t lv_table_class;
@ -65,11 +65,10 @@ extern const lv_obj_class_t lv_table_class;
**********************/
/**
* Create a table objects
* @param parent pointer to an object, it will be the parent of the new table
* @param copy DEPRECATED, will be removed in v9.
* Pointer to an other table to copy.
* @return pointer to the created table
* Create a table object
* @param parent 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 * parent, const lv_obj_t * copy);
@ -79,62 +78,64 @@ lv_obj_t * lv_table_create(lv_obj_t * parent, const lv_obj_t * copy);
/**
* Set the value of a cell.
* @param obj 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.
* @param obj 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.
* @note New roes/columns are added automatically if required
*/
void lv_table_set_cell_value(lv_obj_t * obj, uint16_t row, uint16_t col, const char * txt);
/**
* Set the value of a cell. Memory will be allocated to store the text by the table.
* @param obj pointer to a table object
* @param row index of the row [0 .. row_cnt -1]
* @param col index of the column [0 .. col_cnt -1]
* @param fmt ` printf`-like format
* @param obj 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 fmt `printf`-like format
* @note New roes/columns are added automatically if required
*/
void lv_table_set_cell_value_fmt(lv_obj_t * obj, uint16_t row, uint16_t col, const char * fmt, ...);
/**
* Set the number of rows
* @param obj table pointer to a table object
* @param row_cnt number of rows
* @param obj table pointer to a Table object
* @param row_cnt number of rows
*/
void lv_table_set_row_cnt(lv_obj_t * obj, uint16_t row_cnt);
/**
* Set the number of columns
* @param obj table pointer to a table object
* @param obj table pointer to a Table object
* @param col_cnt number of columns.
*/
void lv_table_set_col_cnt(lv_obj_t * obj, uint16_t col_cnt);
/**
* Set the width of a column
* @param obj table pointer to a table object
* @param obj 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 * obj, uint16_t col_id, lv_coord_t w);
/**
* Set the cell crop. (Don't adjust the height of the cell according to this cell's content)
* @param obj pointer to a table object
* Add control bits to the cell.
* @param obj 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.
* @param ctrl OR-ed values from ::lv_table_cell_ctrl_t
*/
void lv_table_set_cell_crop(lv_obj_t * obj, uint16_t row, uint16_t col, bool crop);
void lv_table_add_cell_ctrl(lv_obj_t * obj, uint16_t row, uint16_t col, lv_table_cell_ctrl_t ctrl);
/**
* Merge a cell with the right neighbor. The value of the cell to the right won't be displayed.
* @param obj table pointer to a table object
* @param row index of the row [0 .. row_cnt -1]
* @param col index of the column [0 .. col_cnt -1]
* @param en true: merge right; false: don't merge right
* Clear control bits of the cell.
* @param obj 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 ctrl OR-ed values from ::lv_table_cell_ctrl_t
*/
void lv_table_set_cell_merge_right(lv_obj_t * obj, uint16_t row, uint16_t col, bool en);
void lv_table_clear_cell_ctrl(lv_obj_t * obj, uint16_t row, uint16_t col, lv_table_cell_ctrl_t ctrl);
/*=====================
* Getter functions
@ -142,62 +143,52 @@ void lv_table_set_cell_merge_right(lv_obj_t * obj, uint16_t row, uint16_t col, b
/**
* Get the value of a cell.
* @param obj pointer to a table object
* @param row index of the row [0 .. row_cnt -1]
* @param col index of the column [0 .. col_cnt -1]
* @return text of the cell
* @param obj 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 * obj, uint16_t row, uint16_t col);
/**
* Get the number of rows.
* @param obj table pointer to a table object
* @param obj table pointer to a Table object
* @return number of rows.
*/
uint16_t lv_table_get_row_cnt(lv_obj_t * obj);
/**
* Get the number of columns.
* @param obj table pointer to a table object
* @param obj table pointer to a Table object
* @return number of columns.
*/
uint16_t lv_table_get_col_cnt(lv_obj_t * obj);
/**
* Get the width of a column
* @param obj table pointer to a table object
* @param col_id id of the column [0 .. LV_TABLE_COL_MAX -1]
* @param obj table pointer to a Table object
* @param col 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 * obj, uint16_t col_id);
lv_coord_t lv_table_get_col_width(lv_obj_t * obj, uint16_t col);
/**
* Get the crop property of a cell
* Get whether a cell has the control bits
* @param obj 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 ctrl OR-ed values from ::lv_table_cell_ctrl_t
* @return true: all control bits are set; false: not all control bits are set
*/
bool lv_table_has_cell_ctrl(lv_obj_t * obj, uint16_t row, uint16_t col, lv_table_cell_ctrl_t ctrl);
/**
* Get the selected cell (pressed and or focused)
* @param obj pointer to a table object
* @param row index of the row [0 .. row_cnt -1]
* @param col index of the column [0 .. col_cnt -1]
* @return true: text crop enabled; false: disabled
* @param row pointer to variable to store the selected row (LV_TABLE_CELL_NONE: if no cell selected)
* @param col pointer to variable to store the selected column (LV_TABLE_CELL_NONE: if no cell selected)
*/
bool lv_table_get_cell_crop(lv_obj_t * obj, uint16_t row, uint16_t col);
/**
* Get the cell merge attribute.
* @param obj pointer to a table object
* @param row index of the row [0 .. row_cnt -1]
* @param col index 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 * obj, uint16_t row, uint16_t col);
/**
* Get the last pressed or being pressed cell
* @param obj pointer to a table object
* @param row pointer to variable to store the pressed row
* @param col pointer to variable to store the pressed column
* @return LV_RES_OK: a valid pressed cell was found, LV_RES_INV: no valid cell is pressed
*/
lv_res_t lv_table_get_pressed_cell(lv_obj_t * obj, uint16_t * row, uint16_t * col);
void lv_table_get_selected_cell(lv_obj_t * obj, uint16_t * row, uint16_t * col);
/**********************
* MACROS