商城网站建设教学,网站建设的过程包括几个阶段,怎么进入wordpress后台,建站行业的发展趋势LVGL 日历组件 calendar
添加到默认组中
lvgl的 calendar 组件会默认添加到旋钮按键组中#xff0c;需要手动将其删除#xff0c;否则会聚焦到不可见的控件上。
lv_obj_set_style_pad_all(calendar, 8, LV_STATE_DEFAULT);
lv_group_remove_obj(calendar);修改时间范围
年…LVGL 日历组件 calendar
添加到默认组中
lvgl的 calendar 组件会默认添加到旋钮按键组中需要手动将其删除否则会聚焦到不可见的控件上。
lv_obj_set_style_pad_all(calendar, 8, LV_STATE_DEFAULT);
lv_group_remove_obj(calendar);修改时间范围
年时间范围需要手动修改源码下面就是将年信息修改到2023-2099年
/*** file lv_calendar_obj_dropdown.c**//********************** INCLUDES*********************/
#include lv_calendar_header_dropdown.h
#if LV_USE_CALENDAR_HEADER_DROPDOWN#include lv_calendar.h
#include ../../../widgets/lv_dropdown.h
#include ../../layouts/flex/lv_flex.h/********************** DEFINES*********************//*********************** TYPEDEFS**********************//*********************** STATIC PROTOTYPES**********************/
static void my_constructor(const lv_obj_class_t* class_p, lv_obj_t* obj);
static void year_event_cb(lv_event_t* e);
static void month_event_cb(lv_event_t* e);
static void value_changed_event_cb(lv_event_t* e);/*********************** STATIC VARIABLES**********************/
const lv_obj_class_t lv_calendar_header_dropdown_class {.base_class lv_obj_class,.width_def LV_PCT(100),.height_def LV_SIZE_CONTENT,.constructor_cb my_constructor
};static const char* month_list 01\n02\n03\n04\n05\n06\n07\n08\n09\n10\n11\n12;
static const char* year_list {2023\n2024\n2025\n2026\n2027\n2028\n2029\n2030\n2031\n2032\n2033\n2034\n2035\n2036\n2037\n2038\n2039\n2040\n2041\n2042\n2043\n2044\n2045\n2046\n2047\n2048\n2049\n2050\n2051\n2052\n2053\n2054\n2055\n2056\n2057\n2058\n2059\n2060\n2061\n2062\n2063\n2064\n2065\n2066\n2067\n2068\n2069\n2070\n2071\n2072\n2073\n2074\n2075\n2076\n2077\n2078\n2079\n2080\n2081\n2082\n2083\n2084\n2085\n2086\n2087\n2088\n2089\n2090\n2091\n2092\n2093\n2094\n2095\n2096\n2097\n2098\n2099};/*********************** MACROS**********************//*********************** GLOBAL FUNCTIONS**********************/lv_obj_t* lv_calendar_header_dropdown_create(lv_obj_t* parent)
{lv_obj_t* obj lv_obj_class_create_obj(lv_calendar_header_dropdown_class, parent);lv_obj_class_init_obj(obj);return obj;
}/*********************** STATIC FUNCTIONS**********************/static void my_constructor(const lv_obj_class_t* class_p, lv_obj_t* obj)
{LV_TRACE_OBJ_CREATE(begin);LV_UNUSED(class_p);lv_obj_t* calendar lv_obj_get_parent(obj);lv_obj_move_to_index(obj, 0);lv_obj_set_flex_flow(obj, LV_FLEX_FLOW_ROW);lv_obj_t* year_dd lv_dropdown_create(obj);lv_dropdown_set_options(year_dd, year_list);lv_obj_add_event_cb(year_dd, year_event_cb, LV_EVENT_VALUE_CHANGED, calendar);lv_obj_set_flex_grow(year_dd, 1);lv_obj_t* month_dd lv_dropdown_create(obj);lv_dropdown_set_options(month_dd, month_list);lv_obj_add_event_cb(month_dd, month_event_cb, LV_EVENT_VALUE_CHANGED, calendar);lv_obj_set_flex_grow(month_dd, 1);lv_obj_add_event_cb(obj, value_changed_event_cb, LV_EVENT_VALUE_CHANGED, NULL);/*Refresh the drop downs*/lv_event_send(obj, LV_EVENT_VALUE_CHANGED, NULL);
}static void month_event_cb(lv_event_t* e)
{lv_obj_t* dropdown lv_event_get_target(e);lv_obj_t* calendar lv_event_get_user_data(e);uint16_t sel lv_dropdown_get_selected(dropdown);const lv_calendar_date_t* d;d lv_calendar_get_showed_date(calendar);lv_calendar_date_t newd *d;newd.month sel 1;newd.day 1;lv_calendar_set_showed_date(calendar, newd.year, newd.month);lv_calendar_set_today_date(calendar, newd.year, newd.month, newd.day);/*Refresh the drop downs*/lv_event_send(calendar, LV_EVENT_VALUE_CHANGED, NULL);
}static void year_event_cb(lv_event_t* e)
{lv_obj_t* dropdown lv_event_get_target(e);lv_obj_t* calendar lv_event_get_user_data(e);uint16_t sel lv_dropdown_get_selected(dropdown);const lv_calendar_date_t* d;d lv_calendar_get_showed_date(calendar);lv_calendar_date_t newd *d;newd.year 2023 sel;newd.day 1;lv_calendar_set_showed_date(calendar, newd.year, newd.month);lv_calendar_set_today_date(calendar, newd.year, newd.month, newd.day);/*Refresh the drop downs*/lv_event_send(calendar, LV_EVENT_VALUE_CHANGED, NULL);
}static void value_changed_event_cb(lv_event_t* e)
{lv_obj_t* header lv_event_get_target(e);lv_obj_t* calendar lv_obj_get_parent(header);const lv_calendar_date_t* cur_date lv_calendar_get_showed_date(calendar);lv_obj_t* year_dd lv_obj_get_child(header, 0);lv_dropdown_set_selected(year_dd, cur_date-year - 2023);lv_obj_t* month_dd lv_obj_get_child(header, 1);lv_dropdown_set_selected(month_dd, cur_date-month - 1);
}#endif /*LV_USE_CALENDAR_HEADER_ARROW*/
