Question: How to colorize a Table?

[jedie]

I would like to add color to a table. Can be the color of the text or background of one cell or a complete column.
I tried different ways, without any success, yet.

one idea:

import display_driver
import lvgl as lv

scr = lv.obj()
table = lv.table(scr)
table.set_size(300, 200)

for row in range(3):
    for col in range(3):
        table.set_cell_value(row, col, f"Cell {row},{col}")

style_red = lv.style_t()
style_red.init()
style_red.set_text_color(lv.color_hex(0xFF0000))
style_red.set_bg_color(lv.color_hex(0xFF0000))

table.add_style(style_red, lv.STATE.USER_1)

table.set_cell_ctrl(0, 0, lv.STATE.USER_1)

Tested in https://sim.lvgl.io/v8.3/micropython/ports/javascript/index.html results in:

Traceback (most recent call last):
  File "<stdin>", line 19, in <module>
AttributeError: no such attribute

Line 19 is: table.set_cell_ctrl(0, 0, lv.STATE.USER_1)

Seems that in https://sim.lvgl.io/v9.0/micropython/ports/webassembly/index.html it's the same error, but results in a broken Traceback:

Traceback (most recent call last):
  File "<stdin>", line , in <module>
AttributeError: no such attribute

[jedie]

Ah! I have now a working example, with the help of the robot:

import display_driver
import lvgl as lv

def draw_part_event_cb(e):
    obj = e.get_target()
    dsc = lv.obj_draw_part_dsc_t.__cast__(e.get_param())
    
    if dsc.part == lv.PART.ITEMS:
        row = dsc.id // obj.get_col_cnt()
        col = dsc.id % obj.get_col_cnt()

        if row == 1: 
            color_value = 0x00FF00
        elif row == 2: 
            color_value = 0xFF0000
        else:
            color_value = 0x0000FF

        dsc.label_dsc.color = lv.color_hex(color_value)

table = lv.table(lv.scr_act())
table.center()

for row in range(3):
    for col in range(3):
        table.set_cell_value(row, col, "%d,%d" % (row, col))

table.add_event_cb(draw_part_event_cb, lv.EVENT.DRAW_PART_BEGIN, None)

looks like: