1 /**
2 * @file lv_calendar_obj_dropdown.c
3 *
4 */
5
6 /*********************
7 * INCLUDES
8 *********************/
9 #include "lv_calendar_header_dropdown.h"
10 #if LV_USE_CALENDAR_HEADER_DROPDOWN
11
12 #include "lv_calendar.h"
13 #include "../../../widgets/lv_dropdown.h"
14 #include "../../layouts/flex/lv_flex.h"
15
16 /*********************
17 * DEFINES
18 *********************/
19
20 /**********************
21 * TYPEDEFS
22 **********************/
23
24 /**********************
25 * STATIC PROTOTYPES
26 **********************/
27 static void my_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
28 static void year_event_cb(lv_event_t * e);
29 static void month_event_cb(lv_event_t * e);
30 static void value_changed_event_cb(lv_event_t * e);
31
32 /**********************
33 * STATIC VARIABLES
34 **********************/
35 const lv_obj_class_t lv_calendar_header_dropdown_class = {
36 .base_class = &lv_obj_class,
37 .width_def = LV_PCT(100),
38 .height_def = LV_SIZE_CONTENT,
39 .constructor_cb = my_constructor
40 };
41
42 static const char * month_list = "01\n02\n03\n04\n05\n06\n07\n08\n09\n10\n11\n12";
43 static const char * year_list = {
44 "2023\n2022\n2021\n"
45 "2020\n2019\n2018\n2017\n2016\n2015\n2014\n2013\n2012\n2011\n2010\n2009\n2008\n2007\n2006\n2005\n2004\n2003\n2002\n2001\n"
46 "2000\n1999\n1998\n1997\n1996\n1995\n1994\n1993\n1992\n1991\n1990\n1989\n1988\n1987\n1986\n1985\n1984\n1983\n1982\n1981\n"
47 "1980\n1979\n1978\n1977\n1976\n1975\n1974\n1973\n1972\n1971\n1970\n1969\n1968\n1967\n1966\n1965\n1964\n1963\n1962\n1961\n"
48 "1960\n1959\n1958\n1957\n1956\n1955\n1954\n1953\n1952\n1951\n1950\n1949\n1948\n1947\n1946\n1945\n1944\n1943\n1942\n1941\n"
49 "1940\n1939\n1938\n1937\n1936\n1935\n1934\n1933\n1932\n1931\n1930\n1929\n1928\n1927\n1926\n1925\n1924\n1923\n1922\n1921\n"
50 "1920\n1919\n1918\n1917\n1916\n1915\n1914\n1913\n1912\n1911\n1910\n1909\n1908\n1907\n1906\n1905\n1904\n1903\n1902\n1901"
51 };
52
53 /**********************
54 * MACROS
55 **********************/
56
57 /**********************
58 * GLOBAL FUNCTIONS
59 **********************/
60
lv_calendar_header_dropdown_create(lv_obj_t * parent)61 lv_obj_t * lv_calendar_header_dropdown_create(lv_obj_t * parent)
62 {
63 lv_obj_t * obj = lv_obj_class_create_obj(&lv_calendar_header_dropdown_class, parent);
64 lv_obj_class_init_obj(obj);
65
66 return obj;
67 }
68
69 /**********************
70 * STATIC FUNCTIONS
71 **********************/
72
my_constructor(const lv_obj_class_t * class_p,lv_obj_t * obj)73 static void my_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
74 {
75 LV_TRACE_OBJ_CREATE("begin");
76
77 LV_UNUSED(class_p);
78
79 lv_obj_t * calendar = lv_obj_get_parent(obj);
80 lv_obj_move_to_index(obj, 0);
81 lv_obj_set_flex_flow(obj, LV_FLEX_FLOW_ROW);
82
83 lv_obj_t * year_dd = lv_dropdown_create(obj);
84 lv_dropdown_set_options(year_dd, year_list);
85 lv_obj_add_event_cb(year_dd, year_event_cb, LV_EVENT_VALUE_CHANGED, calendar);
86 lv_obj_set_flex_grow(year_dd, 1);
87
88 lv_obj_t * month_dd = lv_dropdown_create(obj);
89 lv_dropdown_set_options(month_dd, month_list);
90 lv_obj_add_event_cb(month_dd, month_event_cb, LV_EVENT_VALUE_CHANGED, calendar);
91 lv_obj_set_flex_grow(month_dd, 1);
92
93 lv_obj_add_event_cb(obj, value_changed_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
94 /*Refresh the drop downs*/
95 lv_event_send(obj, LV_EVENT_VALUE_CHANGED, NULL);
96 }
97
month_event_cb(lv_event_t * e)98 static void month_event_cb(lv_event_t * e)
99 {
100 lv_obj_t * dropdown = lv_event_get_target(e);
101 lv_obj_t * calendar = lv_event_get_user_data(e);
102
103 uint16_t sel = lv_dropdown_get_selected(dropdown);
104
105 const lv_calendar_date_t * d;
106 d = lv_calendar_get_showed_date(calendar);
107 lv_calendar_date_t newd = *d;
108 newd.month = sel + 1;
109
110 lv_calendar_set_showed_date(calendar, newd.year, newd.month);
111 }
112
year_event_cb(lv_event_t * e)113 static void year_event_cb(lv_event_t * e)
114 {
115 lv_obj_t * dropdown = lv_event_get_target(e);
116 lv_obj_t * calendar = lv_event_get_user_data(e);
117
118 uint16_t sel = lv_dropdown_get_selected(dropdown);
119
120 const lv_calendar_date_t * d;
121 d = lv_calendar_get_showed_date(calendar);
122 lv_calendar_date_t newd = *d;
123 newd.year = 2023 - sel;
124
125 lv_calendar_set_showed_date(calendar, newd.year, newd.month);
126 }
127
value_changed_event_cb(lv_event_t * e)128 static void value_changed_event_cb(lv_event_t * e)
129 {
130 lv_obj_t * header = lv_event_get_target(e);
131 lv_obj_t * calendar = lv_obj_get_parent(header);
132 const lv_calendar_date_t * cur_date = lv_calendar_get_showed_date(calendar);
133
134 lv_obj_t * year_dd = lv_obj_get_child(header, 0);
135 lv_dropdown_set_selected(year_dd, 2023 - cur_date->year);
136
137 lv_obj_t * month_dd = lv_obj_get_child(header, 1);
138 lv_dropdown_set_selected(month_dd, cur_date->month - 1);
139 }
140
141 #endif /*LV_USE_CALENDAR_HEADER_ARROW*/
142
143
