Before posting
Hello
Description
access a container object’s properties from other external (container OFF) object
What MCU/Processor/Board and compiler are you using?
STM32F767
What LVGL version are you using?
7.10.0-dev
What do you want to achieve?
i need to access and change some object settings from a button in tab2 TO tab1, i wrote a simple sample what i want to do.
How can i do it?
What have you tried so far?
finding children and so on but nothing happend
Code to reproduce
LV_IMG_DECLARE(img_cogwheel_argb);
//------------------------------------------------------------------------
void tab1_draw(lv_obj_t *parentX)
{
lv_obj_t * cont;
lv_obj_t * label;
lv_obj_t * img;
static lv_style_t style_Text;
static lv_style_t style_Container;
static lv_style_t style_Image;
cont = lv_cont_create(parentX, NULL);
lv_style_init(&style_Container);
lv_style_set_bg_color(&style_Container, LV_STATE_DEFAULT, LV_COLOR_SILVER);
lv_obj_add_style(cont, LV_OBJ_PART_MAIN, &style_Container);
lv_obj_set_pos(cont, 500, 100);
lv_obj_set_size(cont, 200, 200);
label = lv_label_create(cont, NULL);
lv_style_init(&style_Text);
lv_style_set_text_color(&style_Text, LV_STATE_DEFAULT, LV_COLOR_RED);
lv_obj_add_style(label, LV_OBJ_PART_MAIN, &style_Text);
lv_label_set_text(label, "Hello");
lv_obj_set_pos(label, 10, 10);
img = lv_img_create(cont, NULL);
lv_img_set_src(img, &img_cogwheel_argb);
lv_obj_align(img, NULL, LV_ALIGN_CENTER, 0, -20);
lv_style_init(&style_Image);
lv_style_set_image_recolor(&style_Image, LV_STATE_DEFAULT, LV_COLOR_CYAN);
lv_style_set_image_recolor_opa(&style_Image, LV_STATE_DEFAULT, LV_OPA_50);
lv_obj_add_style(img, LV_OBJ_PART_MAIN, &style_Image);
}
//------------------------------------------------------------------------
void tab2_draw(lv_obj_t *parentX)
{
lv_obj_t * label;
label = lv_label_create(parentX, NULL);
lv_label_set_text(label, "from here i need to \n *change tab1/container/label TEXT and STYLE \n **change tab1/container/img COLOR \n ***change tab1/container bg_color");
lv_obj_set_pos(label, 100, 100);
//HERE i want to change label TEXT "Hello" in tab1 to "OK" <<<<<<<<<<<<<<
}
//------------------------------------------------------------------------
void TAB(void)
{
lv_obj_t * TAB;
lv_obj_t * tab1;
lv_obj_t * tab2;
lv_obj_t * tab3;
TAB = lv_tabview_create(lv_scr_act(), NULL);
tab1 = lv_tabview_add_tab(TAB, "tab1");
tab2 = lv_tabview_add_tab(TAB, "tab2");
tab3 = lv_tabview_add_tab(TAB, "tab3");
tab1_draw(tab1);
tab2_draw(tab2);
}
//------------------------------------------------------------------------
//------------------------------------------------------------------------
main()
{
TAB();
}
Screenshot and/or video
If possible, add screenshots and/or videos about the current state.
