diff options
Diffstat (limited to 'src/libs/lvgl/src/lv_objx/lv_calendar.c')
| m--------- | src/libs/lvgl | 0 | ||||
| -rw-r--r-- | src/libs/lvgl/src/lv_objx/lv_calendar.c | 983 |
2 files changed, 983 insertions, 0 deletions
diff --git a/src/libs/lvgl b/src/libs/lvgl deleted file mode 160000 -Subproject ee95d1c9cf74899585f9165458911f2d54ca750 diff --git a/src/libs/lvgl/src/lv_objx/lv_calendar.c b/src/libs/lvgl/src/lv_objx/lv_calendar.c new file mode 100644 index 0000000..53f32a2 --- /dev/null +++ b/src/libs/lvgl/src/lv_objx/lv_calendar.c @@ -0,0 +1,983 @@ +/** + * @file lv_calendar.c + * + */ + +/********************* + * INCLUDES + *********************/ +#include "lv_calendar.h" +#if LV_USE_CALENDAR != 0 + +#include "../lv_core/lv_debug.h" +#include "../lv_draw/lv_draw.h" +#include "../lv_hal/lv_hal_indev.h" +#include "../lv_misc/lv_utils.h" +#include "../lv_core/lv_indev.h" +#include "../lv_themes/lv_theme.h" +#include <string.h> + +/********************* + * DEFINES + *********************/ +#define LV_OBJX_NAME "lv_calendar" + +/********************** + * TYPEDEFS + **********************/ +enum { + DAY_DRAW_PREV_MONTH, + DAY_DRAW_ACT_MONTH, + DAY_DRAW_NEXT_MONTH, +}; +typedef uint8_t day_draw_state_t; + +/********************** + * STATIC PROTOTYPES + **********************/ +static bool lv_calendar_design(lv_obj_t * calendar, const lv_area_t * mask, lv_design_mode_t mode); +static lv_res_t lv_calendar_signal(lv_obj_t * calendar, lv_signal_t sign, void * param); +static bool calculate_touched_day(lv_obj_t * calendar, const lv_point_t * touched_point); +static lv_coord_t get_header_height(lv_obj_t * calendar); +static lv_coord_t get_day_names_height(lv_obj_t * calendar); +static void draw_header(lv_obj_t * calendar, const lv_area_t * mask); +static void draw_day_names(lv_obj_t * calendar, const lv_area_t * mask); +static void draw_days(lv_obj_t * calendar, const lv_area_t * mask); +static uint8_t get_day_of_week(uint32_t year, uint32_t month, uint32_t day); +static bool is_highlighted(lv_obj_t * calendar, int32_t year, int32_t month, int32_t day); +static const char * get_day_name(lv_obj_t * calendar, uint8_t day); +static const char * get_month_name(lv_obj_t * calendar, int32_t month); +static uint8_t get_month_length(int32_t year, int32_t month); +static uint8_t is_leap_year(uint32_t year); + +/********************** + * STATIC VARIABLES + **********************/ +static lv_signal_cb_t ancestor_signal; +static lv_design_cb_t ancestor_design; +static const char * day_name[7] = {"Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"}; +static const char * month_name[12] = {"January", "February", "March", "April", "May", "June", + "July", "August", "September", "October", "November", "December"}; + +/********************** + * MACROS + **********************/ + +/********************** + * GLOBAL FUNCTIONS + **********************/ + +/** + * Create a calendar object + * @param par pointer to an object, it will be the parent of the new calendar + * @param copy pointer to a calendar object, if not NULL then the new object will be copied from it + * @return pointer to the created calendar + */ +lv_obj_t * lv_calendar_create(lv_obj_t * par, const lv_obj_t * copy) +{ + LV_LOG_TRACE("calendar create started"); + + /*Create the ancestor of calendar*/ + lv_obj_t * new_calendar = lv_obj_create(par, copy); + LV_ASSERT_MEM(new_calendar); + if(new_calendar == NULL) return NULL; + + /*Allocate the calendar type specific extended data*/ + lv_calendar_ext_t * ext = lv_obj_allocate_ext_attr(new_calendar, sizeof(lv_calendar_ext_t)); + LV_ASSERT_MEM(ext); + if(ext == NULL) return NULL; + if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_cb(new_calendar); + if(ancestor_design == NULL) ancestor_design = lv_obj_get_design_cb(new_calendar); + + /*Initialize the allocated 'ext' */ + ext->today.year = 2018; + ext->today.month = 1; + ext->today.day = 1; + + ext->showed_date.year = 2018; + ext->showed_date.month = 1; + ext->showed_date.day = 1; + + ext->pressed_date.year = 0; + ext->pressed_date.month = 0; + ext->pressed_date.day = 0; + + ext->highlighted_dates = NULL; + ext->highlighted_dates_num = 0; + ext->day_names = NULL; + ext->month_names = NULL; + ext->style_header = &lv_style_plain_color; + ext->style_header_pr = &lv_style_pretty_color; + ext->style_highlighted_days = &lv_style_plain_color; + ext->style_inactive_days = &lv_style_btn_ina; + ext->style_week_box = &lv_style_plain_color; + ext->style_today_box = &lv_style_pretty_color; + ext->style_day_names = &lv_style_pretty; + + /*The signal and design functions are not copied so set them here*/ + lv_obj_set_signal_cb(new_calendar, lv_calendar_signal); + lv_obj_set_design_cb(new_calendar, lv_calendar_design); + + /*Init the new calendar calendar*/ + if(copy == NULL) { + lv_obj_set_size(new_calendar, LV_DPI * 2, LV_DPI * 2); + lv_obj_set_style(new_calendar, &lv_style_pretty); + + lv_theme_t * th = lv_theme_get_current(); + if(th) { + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_BG, th->style.calendar.bg); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_HEADER, th->style.calendar.header); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_HEADER_PR, th->style.calendar.header_pr); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_DAY_NAMES, th->style.calendar.day_names); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_WEEK_BOX, th->style.calendar.week_box); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_TODAY_BOX, th->style.calendar.today_box); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_HIGHLIGHTED_DAYS, + th->style.calendar.highlighted_days); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_INACTIVE_DAYS, th->style.calendar.inactive_days); + } else { + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_BG, &lv_style_pretty); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_HEADER, ext->style_header); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_HEADER_PR, ext->style_header_pr); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_DAY_NAMES, ext->style_day_names); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_WEEK_BOX, ext->style_week_box); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_TODAY_BOX, ext->style_today_box); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_HIGHLIGHTED_DAYS, ext->style_highlighted_days); + lv_calendar_set_style(new_calendar, LV_CALENDAR_STYLE_INACTIVE_DAYS, ext->style_inactive_days); + } + } + /*Copy an existing calendar*/ + else { + lv_calendar_ext_t * copy_ext = lv_obj_get_ext_attr(copy); + ext->today.year = copy_ext->today.year; + ext->today.month = copy_ext->today.month; + ext->today.day = copy_ext->today.day; + + ext->showed_date.year = copy_ext->showed_date.year; + ext->showed_date.month = copy_ext->showed_date.month; + ext->showed_date.day = copy_ext->showed_date.day; + + ext->highlighted_dates = copy_ext->highlighted_dates; + ext->highlighted_dates_num = copy_ext->highlighted_dates_num; + ext->day_names = copy_ext->day_names; + + ext->month_names = copy_ext->month_names; + ext->style_header = copy_ext->style_header; + ext->style_header_pr = copy_ext->style_header_pr; + ext->style_highlighted_days = copy_ext->style_highlighted_days; + ext->style_inactive_days = copy_ext->style_inactive_days; + ext->style_week_box = copy_ext->style_week_box; + ext->style_today_box = copy_ext->style_today_box; + ext->style_day_names = copy_ext->style_day_names; + /*Refresh the style with new signal function*/ + lv_obj_refresh_style(new_calendar); + } + + LV_LOG_INFO("calendar created"); + + return new_calendar; +} + +/*====================== + * Add/remove functions + *=====================*/ + +/* + * New object specific "add" or "remove" functions come here + */ + +/*===================== + * Setter functions + *====================*/ + +/** + * Set the today's date + * @param calendar pointer to a calendar object + * @param today pointer to an `lv_calendar_date_t` variable containing the date of today. The value + * will be saved it can be local variable too. + */ +void lv_calendar_set_today_date(lv_obj_t * calendar, lv_calendar_date_t * today) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + LV_ASSERT_NULL(today); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + ext->today.year = today->year; + ext->today.month = today->month; + ext->today.day = today->day; + + lv_obj_invalidate(calendar); +} + +/** + * Set the currently showed + * @param calendar pointer to a calendar object + * @param showed pointer to an `lv_calendar_date_t` variable containing the date to show. The value + * will be saved it can be local variable too. + */ +void lv_calendar_set_showed_date(lv_obj_t * calendar, lv_calendar_date_t * showed) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + LV_ASSERT_NULL(showed); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + ext->showed_date.year = showed->year; + ext->showed_date.month = showed->month; + ext->showed_date.day = showed->day; + + lv_obj_invalidate(calendar); +} + +/** + * Set the the highlighted dates + * @param calendar pointer to a calendar object + * @param highlighted pointer to an `lv_calendar_date_t` array containing the dates. ONLY A POINTER + * WILL BE SAVED! CAN'T BE LOCAL ARRAY. + * @param date_num number of dates in the array + */ +void lv_calendar_set_highlighted_dates(lv_obj_t * calendar, lv_calendar_date_t highlighted[], uint16_t date_num) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + LV_ASSERT_NULL(highlighted); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + ext->highlighted_dates = highlighted; + ext->highlighted_dates_num = date_num; + + lv_obj_invalidate(calendar); +} + +/** + * Set the name of the days + * @param calendar pointer to a calendar object + * @param day_names pointer to an array with the names. E.g. `const char * days[7] = {"Sun", "Mon", + * ...}` Only the pointer will be saved so this variable can't be local which will be destroyed + * later. + */ +void lv_calendar_set_day_names(lv_obj_t * calendar, const char ** day_names) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + LV_ASSERT_NULL(day_names); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + ext->day_names = day_names; + lv_obj_invalidate(calendar); +} + +/** + * Set the name of the month + * @param calendar pointer to a calendar object + * @param month_names pointer to an array with the names. E.g. `const char * days[12] = {"Jan", "Feb", + * ...}` Only the pointer will be saved so this variable can't be local which will be destroyed + * later. + */ +void lv_calendar_set_month_names(lv_obj_t * calendar, const char ** month_names) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + LV_ASSERT_NULL(month_names); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + ext->month_names = month_names; + lv_obj_invalidate(calendar); +} + +/** + * Set a style of a calendar. + * @param calendar pointer to calendar object + * @param type which style should be set + * @param style pointer to a style + * */ +void lv_calendar_set_style(lv_obj_t * calendar, lv_calendar_style_t type, const lv_style_t * style) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + + switch(type) { + case LV_CALENDAR_STYLE_BG: lv_obj_set_style(calendar, style); break; + case LV_CALENDAR_STYLE_DAY_NAMES: ext->style_day_names = style; break; + case LV_CALENDAR_STYLE_HEADER: ext->style_header = style; break; + case LV_CALENDAR_STYLE_HEADER_PR: ext->style_header_pr = style; break; + case LV_CALENDAR_STYLE_HIGHLIGHTED_DAYS: ext->style_highlighted_days = style; break; + case LV_CALENDAR_STYLE_INACTIVE_DAYS: ext->style_inactive_days = style; break; + case LV_CALENDAR_STYLE_TODAY_BOX: ext->style_today_box = style; break; + case LV_CALENDAR_STYLE_WEEK_BOX: ext->style_week_box = style; break; + } + + lv_obj_invalidate(calendar); +} + +/*===================== + * Getter functions + *====================*/ + +/** + * Get the today's date + * @param calendar pointer to a calendar object + * @return return pointer to an `lv_calendar_date_t` variable containing the date of today. + */ +lv_calendar_date_t * lv_calendar_get_today_date(const lv_obj_t * calendar) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + return &ext->today; +} + +/** + * Get the currently showed + * @param calendar pointer to a calendar object + * @return pointer to an `lv_calendar_date_t` variable containing the date is being shown. + */ +lv_calendar_date_t * lv_calendar_get_showed_date(const lv_obj_t * calendar) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + return &ext->showed_date; +} + +/** + * Get the the pressed date. + * @param calendar pointer to a calendar object + * @return pointer to an `lv_calendar_date_t` variable containing the pressed date. + * `NULL` if not date pressed (e.g. the header) + */ +lv_calendar_date_t * lv_calendar_get_pressed_date(const lv_obj_t * calendar) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + return ext->pressed_date.year != 0 ? &ext->pressed_date : NULL; +} + +/** + * Get the the highlighted dates + * @param calendar pointer to a calendar object + * @return pointer to an `lv_calendar_date_t` array containing the dates. + */ +lv_calendar_date_t * lv_calendar_get_highlighted_dates(const lv_obj_t * calendar) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + return ext->highlighted_dates; +} + +/** + * Get the number of the highlighted dates + * @param calendar pointer to a calendar object + * @return number of highlighted days + */ +uint16_t lv_calendar_get_highlighted_dates_num(const lv_obj_t * calendar) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + return ext->highlighted_dates_num; +} + +/** + * Get the name of the days + * @param calendar pointer to a calendar object + * @return pointer to the array of day names + */ +const char ** lv_calendar_get_day_names(const lv_obj_t * calendar) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + return ext->day_names; +} + +/** + * Get the name of the month + * @param calendar pointer to a calendar object + * @return pointer to the array of month names + */ +const char ** lv_calendar_get_month_names(const lv_obj_t * calendar) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + return ext->month_names; +} + +/** + * Get style of a calendar. + * @param calendar pointer to calendar object + * @param type which style should be get + * @return style pointer to the style + * */ +const lv_style_t * lv_calendar_get_style(const lv_obj_t * calendar, lv_calendar_style_t type) +{ + LV_ASSERT_OBJ(calendar, LV_OBJX_NAME); + + const lv_style_t * style = NULL; + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + + switch(type) { + case LV_CALENDAR_STYLE_BG: style = lv_obj_get_style(calendar); break; + case LV_CALENDAR_STYLE_HEADER: style = ext->style_header; break; + case LV_CALENDAR_STYLE_HEADER_PR: style = ext->style_header_pr; break; + case LV_CALENDAR_STYLE_DAY_NAMES: style = ext->style_day_names; break; + case LV_CALENDAR_STYLE_HIGHLIGHTED_DAYS: style = ext->style_highlighted_days; break; + case LV_CALENDAR_STYLE_INACTIVE_DAYS: style = ext->style_inactive_days; break; + case LV_CALENDAR_STYLE_WEEK_BOX: style = ext->style_week_box; break; + case LV_CALENDAR_STYLE_TODAY_BOX: style = ext->style_today_box; break; + default: style = NULL; break; + } + + return style; +} + +/*===================== + * Other functions + *====================*/ + +/* + * New object specific "other" functions come here + */ + +/********************** + * STATIC FUNCTIONS + **********************/ + +/** + * Handle the drawing related tasks of the calendars + * @param calendar pointer to an object + * @param mask the object will be drawn only in this area + * @param mode LV_DESIGN_COVER_CHK: only check if the object fully covers the 'mask_p' area + * (return 'true' if yes) + * LV_DESIGN_DRAW: draw the object (always return 'true') + * LV_DESIGN_DRAW_POST: drawing after every children are drawn + * @param return true/false, depends on 'mode' + */ +static bool lv_calendar_design(lv_obj_t * calendar, const lv_area_t * mask, lv_design_mode_t mode) +{ + /*Return false if the object is not covers the mask_p area*/ + if(mode == LV_DESIGN_COVER_CHK) { + return ancestor_design(calendar, mask, mode); + } + /*Draw the object*/ + else if(mode == LV_DESIGN_DRAW_MAIN) { + lv_opa_t opa_scale = lv_obj_get_opa_scale(calendar); + lv_draw_rect(&calendar->coords, mask, lv_calendar_get_style(calendar, LV_CALENDAR_STYLE_BG), opa_scale); + + draw_header(calendar, mask); + draw_day_names(calendar, mask); + draw_days(calendar, mask); + + } + /*Post draw when the children are drawn*/ + else if(mode == LV_DESIGN_DRAW_POST) { + } + + return true; +} + +/** + * Signal function of the calendar + * @param calendar pointer to a calendar object + * @param sign a signal type from lv_signal_t enum + * @param param pointer to a signal specific variable + * @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted + */ +static lv_res_t lv_calendar_signal(lv_obj_t * calendar, lv_signal_t sign, void * param) +{ + lv_res_t res; + + /* Include the ancient signal function */ + res = ancestor_signal(calendar, sign, param); + if(res != LV_RES_OK) return res; + if(sign == LV_SIGNAL_GET_TYPE) return lv_obj_handle_get_type_signal(param, LV_OBJX_NAME); + + if(sign == LV_SIGNAL_CLEANUP) { + /*Nothing to cleanup. (No dynamically allocated memory in 'ext')*/ + } else if(sign == LV_SIGNAL_PRESSING) { + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + lv_area_t header_area; + lv_area_copy(&header_area, &calendar->coords); + header_area.y2 = header_area.y1 + get_header_height(calendar); + + lv_indev_t * indev = lv_indev_get_act(); + lv_point_t p; + lv_indev_get_point(indev, &p); + + /*If the header is pressed mark an arrow as pressed*/ + if(lv_area_is_point_on(&header_area, &p)) { + if(p.x < header_area.x1 + lv_area_get_width(&header_area) / 2) { + if(ext->btn_pressing != -1) lv_obj_invalidate(calendar); + ext->btn_pressing = -1; + } else { + if(ext->btn_pressing != 1) lv_obj_invalidate(calendar); + ext->btn_pressing = 1; + } + + ext->pressed_date.year = 0; + ext->pressed_date.month = 0; + ext->pressed_date.day = 0; + } + /*If a day is pressed save it*/ + else if(calculate_touched_day(calendar, &p)) { + if(ext->btn_pressing != 0) lv_obj_invalidate(calendar); + ext->btn_pressing = 0; + } + /*ELse set a deafault state*/ + else { + if(ext->btn_pressing != 0) lv_obj_invalidate(calendar); + ext->btn_pressing = 0; + ext->pressed_date.year = 0; + ext->pressed_date.month = 0; + ext->pressed_date.day = 0; + } + } else if(sign == LV_SIGNAL_PRESS_LOST) { + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + ext->btn_pressing = 0; + lv_obj_invalidate(calendar); + + } else if(sign == LV_SIGNAL_RELEASED) { + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + if(ext->btn_pressing < 0) { + if(ext->showed_date.month <= 1) { + ext->showed_date.month = 12; + ext->showed_date.year--; + } else { + ext->showed_date.month--; + } + } else if(ext->btn_pressing > 0) { + if(ext->showed_date.month >= 12) { + ext->showed_date.month = 1; + ext->showed_date.year++; + } else { + ext->showed_date.month++; + } + } else if(ext->pressed_date.year != 0) { + res = lv_event_send(calendar, LV_EVENT_VALUE_CHANGED, NULL); + if(res != LV_RES_OK) return res; + } + + ext->btn_pressing = 0; + lv_obj_invalidate(calendar); + } else if(sign == LV_SIGNAL_CONTROL) { + uint8_t c = *((uint8_t *)param); + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + if(c == LV_KEY_RIGHT || c == LV_KEY_UP) { + if(ext->showed_date.month >= 12) { + ext->showed_date.month = 1; + ext->showed_date.year++; + } else { + ext->showed_date.month++; + } + lv_obj_invalidate(calendar); + } else if(c == LV_KEY_LEFT || c == LV_KEY_DOWN) { + if(ext->showed_date.month <= 1) { + ext->showed_date.month = 12; + ext->showed_date.year--; + } else { + ext->showed_date.month--; + } + lv_obj_invalidate(calendar); + } + } + + return res; +} + +/** + * It will check if the days part of calendar is touched + * and if it is, it will calculate the day and put it in pressed_date of calendar object. + * @param calendar pointer to a calendar object + * @param pointer to a point + * @return true: days part of calendar is touched and its related date is put in pressed date + * false: the point is out of days part area. + */ +static bool calculate_touched_day(lv_obj_t * calendar, const lv_point_t * touched_point) +{ + lv_area_t days_area; + lv_area_copy(&days_area, &calendar->coords); + const lv_style_t * style_bg = lv_calendar_get_style(calendar, LV_CALENDAR_STYLE_BG); + days_area.x1 += style_bg->body.padding.left; + days_area.x2 -= style_bg->body.padding.right; + days_area.y1 = + calendar->coords.y1 + get_header_height(calendar) + get_day_names_height(calendar) - style_bg->body.padding.top; + + if(lv_area_is_point_on(&days_area, touched_point)) { + lv_coord_t w = (days_area.x2 - days_area.x1 + 1) / 7; + lv_coord_t h = (days_area.y2 - days_area.y1 + 1) / 6; + uint8_t x_pos = 0; + x_pos = (touched_point->x - days_area.x1) / w; + if(x_pos > 6) x_pos = 6; + uint8_t y_pos = 0; + y_pos = (touched_point->y - days_area.y1) / h; + if(y_pos > 5) y_pos = 5; + + uint8_t i_pos = 0; + i_pos = (y_pos * 7) + x_pos; + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + if(i_pos < get_day_of_week(ext->showed_date.year, ext->showed_date.month, 1)) { + ext->pressed_date.year = ext->showed_date.year - (ext->showed_date.month == 1 ? 1 : 0); + ext->pressed_date.month = ext->showed_date.month == 1 ? 12 : (ext->showed_date.month - 1); + ext->pressed_date.day = get_month_length(ext->pressed_date.year, ext->pressed_date.month) - + get_day_of_week(ext->showed_date.year, ext->showed_date.month, 1) + 1 + i_pos; + } else if(i_pos < (get_day_of_week(ext->showed_date.year, ext->showed_date.month, 1) + + get_month_length(ext->showed_date.year, ext->showed_date.month))) { + ext->pressed_date.year = ext->showed_date.year; + ext->pressed_date.month = ext->showed_date.month; + ext->pressed_date.day = i_pos + 1 - get_day_of_week(ext->showed_date.year, ext->showed_date.month, 1); + } else if(i_pos < 42) { + ext->pressed_date.year = ext->showed_date.year + (ext->showed_date.month == 12 ? 1 : 0); + ext->pressed_date.month = ext->showed_date.month == 12 ? 1 : (ext->showed_date.month + 1); + ext->pressed_date.day = i_pos + 1 - get_day_of_week(ext->showed_date.year, ext->showed_date.month, 1) - + get_month_length(ext->showed_date.year, ext->showed_date.month); + } + return true; + } else { + return false; + } +} + +/** + * Get the height of a calendar's header based on it's style + * @param calendar point to a calendar + * @return the header's height + */ +static lv_coord_t get_header_height(lv_obj_t * calendar) +{ + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + + return lv_font_get_line_height(ext->style_header->text.font) + ext->style_header->body.padding.top + + ext->style_header->body.padding.bottom; +} + +/** + * Get the height of a calendar's day_names based on it's style + * @param calendar point to a calendar + * @return the day_names's height + */ +static lv_coord_t get_day_names_height(lv_obj_t * calendar) +{ + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + + return lv_font_get_line_height(ext->style_day_names->text.font) + ext->style_day_names->body.padding.top + + ext->style_day_names->body.padding.bottom; +} + +/** + * Draw the calendar header with month name and arrows + * @param calendar point to a calendar + * @param mask a mask for drawing + */ +static void draw_header(lv_obj_t * calendar, const lv_area_t * mask) +{ + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + + lv_bidi_dir_t bidi_dir = lv_obj_get_base_dir(calendar); + + lv_opa_t opa_scale = lv_obj_get_opa_scale(calendar); + + lv_area_t header_area; + header_area.x1 = calendar->coords.x1; + header_area.x2 = calendar->coords.x2; + header_area.y1 = calendar->coords.y1; + header_area.y2 = calendar->coords.y1 + get_header_height(calendar); + + lv_draw_rect(&header_area, mask, ext->style_header, opa_scale); + + /*Add the year + month name*/ + char txt_buf[64]; + lv_utils_num_to_str(ext->showed_date.year, txt_buf); + txt_buf[4] = ' '; + txt_buf[5] = '\0'; + strcpy(&txt_buf[5], get_month_name(calendar, ext->showed_date.month)); + header_area.y1 += ext->style_header->body.padding.top; + lv_draw_label(&header_area, mask, ext->style_header, opa_scale, txt_buf, LV_TXT_FLAG_CENTER, NULL, NULL, NULL, bidi_dir); + + /*Add the left arrow*/ + const lv_style_t * arrow_style = ext->btn_pressing < 0 ? ext->style_header_pr : ext->style_header; + header_area.x1 += ext->style_header->body.padding.left; + lv_draw_label(&header_area, mask, arrow_style, opa_scale, LV_SYMBOL_LEFT, LV_TXT_FLAG_NONE, NULL, NULL, NULL, bidi_dir); + + /*Add the right arrow*/ + arrow_style = ext->btn_pressing > 0 ? ext->style_header_pr : ext->style_header; + header_area.x1 = header_area.x2 - ext->style_header->body.padding.right - + lv_txt_get_width(LV_SYMBOL_RIGHT, (uint16_t)strlen(LV_SYMBOL_RIGHT), arrow_style->text.font, + arrow_style->text.line_space, LV_TXT_FLAG_NONE); + lv_draw_label(&header_area, mask, arrow_style, opa_scale, LV_SYMBOL_RIGHT, LV_TXT_FLAG_NONE, NULL, NULL, NULL, bidi_dir); +} + +/** + * Draw the day's name below the header + * @param calendar point to a calendar + * @param mask a mask for drawing + */ +static void draw_day_names(lv_obj_t * calendar, const lv_area_t * mask) +{ + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + lv_bidi_dir_t bidi_dir = lv_obj_get_base_dir(calendar); + lv_opa_t opa_scale = lv_obj_get_opa_scale(calendar); + + lv_coord_t l_pad = ext->style_day_names->body.padding.left; + lv_coord_t w = + lv_obj_get_width(calendar) - ext->style_day_names->body.padding.left - ext->style_day_names->body.padding.right; + lv_coord_t box_w = w / 7; + lv_area_t label_area; + label_area.y1 = calendar->coords.y1 + get_header_height(calendar) + ext->style_day_names->body.padding.top; + label_area.y2 = label_area.y1 + lv_font_get_line_height(ext->style_day_names->text.font); + uint32_t i; + for(i = 0; i < 7; i++) { + label_area.x1 = calendar->coords.x1 + (w * i) / 7 + l_pad; + label_area.x2 = label_area.x1 + box_w - 1; + lv_draw_label(&label_area, mask, ext->style_day_names, opa_scale, get_day_name(calendar, i), LV_TXT_FLAG_CENTER, + NULL, NULL, NULL, bidi_dir); + } +} + +/** + * Draw the date numbers in a matrix + * @param calendar point to a calendar + * @param mask a mask for drawing + */ +static void draw_days(lv_obj_t * calendar, const lv_area_t * mask) +{ + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + lv_bidi_dir_t bidi_dir = lv_obj_get_base_dir(calendar); + const lv_style_t * style_bg = lv_calendar_get_style(calendar, LV_CALENDAR_STYLE_BG); + lv_area_t label_area; + lv_opa_t opa_scale = lv_obj_get_opa_scale(calendar); + label_area.y1 = calendar->coords.y1 + get_header_height(calendar) + ext->style_day_names->body.padding.top + + lv_font_get_line_height(ext->style_day_names->text.font) + + ext->style_day_names->body.padding.bottom; + label_area.y2 = label_area.y1 + lv_font_get_line_height(style_bg->text.font); + + lv_coord_t w = lv_obj_get_width(calendar) - style_bg->body.padding.left - style_bg->body.padding.right; + lv_coord_t h = calendar->coords.y2 - label_area.y1 - style_bg->body.padding.bottom; + lv_coord_t box_w = w / 7; + lv_coord_t vert_space = (h - (6 * lv_font_get_line_height(style_bg->text.font))) / 5; + + uint32_t week; + uint8_t day_cnt; + uint8_t month_start_day = get_day_of_week(ext->showed_date.year, ext->showed_date.month, 1); + day_draw_state_t draw_state; /*true: Not the prev. or next month is drawn*/ + const lv_style_t * act_style; + + /*If starting with the first day of the week then the previous month is not visible*/ + if(month_start_day == 0) { + day_cnt = 1; + draw_state = DAY_DRAW_ACT_MONTH; + act_style = style_bg; + } else { + draw_state = DAY_DRAW_PREV_MONTH; + day_cnt = get_month_length(ext->showed_date.year, ext->showed_date.month - 1); /*Length of the previous month*/ + day_cnt -= month_start_day - 1; /*First visible number of the previous month*/ + act_style = ext->style_inactive_days; + } + + bool month_of_today_shown = false; + if(ext->showed_date.year == ext->today.year && ext->showed_date.month == ext->today.month) { + month_of_today_shown = true; + } + + char buf[3]; + bool in_week_box = false; + + /*Draw 6 weeks*/ + for(week = 0; week < 6; week++) { + + /*Draw the "week box"*/ + if(month_of_today_shown && + ((draw_state == DAY_DRAW_ACT_MONTH && ext->today.day >= day_cnt && ext->today.day < day_cnt + 7) || + (draw_state == DAY_DRAW_PREV_MONTH && ext->today.day <= 7 - month_start_day && week == 0))) { + lv_area_t week_box_area; + lv_area_copy(&week_box_area, &label_area); /*'label_area' is already set for this row*/ + week_box_area.x1 = + calendar->coords.x1 + style_bg->body.padding.left - ext->style_week_box->body.padding.left; + week_box_area.x2 = + calendar->coords.x2 - style_bg->body.padding.right + ext->style_week_box->body.padding.right; + + week_box_area.y1 -= ext->style_week_box->body.padding.top; + week_box_area.y2 += ext->style_week_box->body.padding.bottom; + lv_draw_rect(&week_box_area, mask, ext->style_week_box, opa_scale); + + in_week_box = true; + } else { + in_week_box = false; + } + + /*Draw the 7 days of a week*/ + uint32_t day; + for(day = 0; day < 7; day++) { + /*The previous month is over*/ + if(draw_state == DAY_DRAW_PREV_MONTH && day == month_start_day) { + draw_state = DAY_DRAW_ACT_MONTH; + day_cnt = 1; + act_style = style_bg; + } + /*The current month is over*/ + if(draw_state == DAY_DRAW_ACT_MONTH && + day_cnt > get_month_length(ext->showed_date.year, ext->showed_date.month)) { + draw_state = DAY_DRAW_NEXT_MONTH; + day_cnt = 1; + act_style = ext->style_inactive_days; + } + + label_area.x1 = + calendar->coords.x1 + (w * day) / 7 + style_bg->body.padding.left; + label_area.x2 = label_area.x1 + box_w - 1; + + /*Draw the "today box"*/ + if(draw_state == DAY_DRAW_ACT_MONTH && month_of_today_shown && ext->today.day == day_cnt) { + lv_area_t today_box_area; + lv_area_copy(&today_box_area, &label_area); + today_box_area.x1 = label_area.x1; + today_box_area.x2 = label_area.x2; + + today_box_area.y1 = label_area.y1 - ext->style_today_box->body.padding.top; + today_box_area.y2 = label_area.y2 + ext->style_today_box->body.padding.bottom; + lv_draw_rect(&today_box_area, mask, ext->style_today_box, opa_scale); + } + + /*Get the final style : highlighted/week box/today box/normal*/ + const lv_style_t * final_style; + if(draw_state == DAY_DRAW_PREV_MONTH && + is_highlighted(calendar, ext->showed_date.year - (ext->showed_date.month == 1 ? 1 : 0), + ext->showed_date.month == 1 ? 12 : ext->showed_date.month - 1, day_cnt)) { + final_style = ext->style_highlighted_days; + } else if(draw_state == DAY_DRAW_ACT_MONTH && + is_highlighted(calendar, ext->showed_date.year, ext->showed_date.month, day_cnt)) { + final_style = ext->style_highlighted_days; + } else if(draw_state == DAY_DRAW_NEXT_MONTH && + is_highlighted(calendar, ext->showed_date.year + (ext->showed_date.month == 12 ? 1 : 0), + ext->showed_date.month == 12 ? 1 : ext->showed_date.month + 1, day_cnt)) { + final_style = ext->style_highlighted_days; + } else if(month_of_today_shown && day_cnt == ext->today.day && draw_state == DAY_DRAW_ACT_MONTH) + final_style = ext->style_today_box; + else if(in_week_box && draw_state == DAY_DRAW_ACT_MONTH) + final_style = ext->style_week_box; + else + final_style = act_style; + + /*Write the day's number*/ + lv_utils_num_to_str(day_cnt, buf); + lv_draw_label(&label_area, mask, final_style, opa_scale, buf, LV_TXT_FLAG_CENTER, NULL, NULL, NULL, bidi_dir); + + /*Go to the next day*/ + day_cnt++; + } + + /*Got to the next weeks row*/ + label_area.y1 += vert_space + lv_font_get_line_height(style_bg->text.font); + label_area.y2 += vert_space + lv_font_get_line_height(style_bg->text.font); + } +} + +/** + * Check weather a date is highlighted or not + * @param calendar pointer to a calendar object + * @param year a year + * @param month a month [1..12] + * @param day a day [1..31] + * @return true: highlighted + */ +static bool is_highlighted(lv_obj_t * calendar, int32_t year, int32_t month, int32_t day) +{ + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + + if(ext->highlighted_dates == NULL || ext->highlighted_dates_num == 0) return false; + + uint32_t i; + for(i = 0; i < ext->highlighted_dates_num; i++) { + if(ext->highlighted_dates[i].year == year && ext->highlighted_dates[i].month == month && + ext->highlighted_dates[i].day == day) { + return true; + } + } + + return false; +} + +/** + * Get the day name + * @param calendar pointer to a calendar object + * @param day a day in [0..6] + * @return + */ +static const char * get_day_name(lv_obj_t * calendar, uint8_t day) +{ + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + if(ext->day_names) + return ext->day_names[day]; + else + return day_name[day]; +} + +/** + * Get the month name + * @param calendar pointer to a calendar object + * @param month a month. The range is basically [1..12] but [-11..1] is also supported to handle + * previous year + * @return + */ +static const char * get_month_name(lv_obj_t * calendar, int32_t month) +{ + month--; /*Range of months id [1..12] but range of indexes is [0..11]*/ + if(month < 0) month = 12 + month; + + lv_calendar_ext_t * ext = lv_obj_get_ext_attr(calendar); + if(ext->month_names) + return ext->month_names[month]; + else + return month_name[month]; +} + +/** + * Get the number of days in a month + * @param year a year + * @param month a month. The range is basically [1..12] but [-11..1] is also supported to handle + * previous year + * @return [28..31] + */ +static uint8_t get_month_length(int32_t year, int32_t month) +{ + month--; /*Range of months id [1..12] but range of indexes is [0..11]*/ + if(month < 0) { + year--; /*Already in the previous year (won't be less then -12 to skip a whole year)*/ + month = 12 + month; /*`month` is negative, the result will be < 12*/ + } + if(month >= 12) { + year++; + month -= 12; + } + + /*month == 1 is february*/ + return (month == 1) ? (28 + is_leap_year(year)) : 31 - month % 7 % 2; +} + +/** + * Tells whether a year is leap year or not + * @param year a year + * @return 0: not leap year; 1: leap year + */ +static uint8_t is_leap_year(uint32_t year) +{ + return (year % 4) || ((year % 100 == 0) && (year % 400)) ? 0 : 1; +} + +/** + * Get the day of the week + * @param year a year + * @param month a month + * @param day a day + * @return [0..6] which means [Sun..Sat] + */ +static uint8_t get_day_of_week(uint32_t year, uint32_t month, uint32_t day) +{ + uint32_t a = month < 3 ? 1 : 0; + uint32_t b = year - a; + + uint32_t day_of_week = (day + (31 * (month - 2 + 12 * a) / 12) + b + (b / 4) - (b / 100) + (b / 400)) % 7; + + return day_of_week; +} + +#endif |