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#include <stdlib.h>
#include "simple_clock_widget.h"
#include "watch.h"
void simple_clock_widget_setup(LauncherSettings *settings, void ** context_ptr) {
(void) settings;
// the only context we need is the timestamp of the previous tick.
*context_ptr = malloc(sizeof(uint32_t));
}
void simple_clock_widget_activate(LauncherSettings *settings, void *context) {
if (settings->bit.clock_mode_24h) {
watch_set_indicator(WATCH_INDICATOR_24H);
}
watch_set_colon();
// this ensures that none of the timestamp fields will match, so we can re-render them all.
*((uint32_t *)context) = 0xFFFFFFFF;
}
bool simple_clock_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context) {
printf("simple_clock_widget_loop\n");
const char weekdays[7][3] = {"SA", "SU", "MO", "TU", "WE", "TH", "FR"};
char buf[11];
uint8_t pos;
watch_date_time date_time;
uint32_t previous_date_time;
switch (event.bit.event_type) {
case EVENT_ACTIVATE:
case EVENT_TICK:
case EVENT_SCREENSAVER:
date_time = watch_rtc_get_date_time();
previous_date_time = *((uint32_t *)context);
*((uint32_t *)context) = date_time.reg;
if (date_time.reg >> 6 == previous_date_time >> 6 && event.bit.event_type != EVENT_SCREENSAVER) {
// everything before seconds is the same, don't waste cycles setting those segments.
pos = 8;
sprintf(buf, "%02d", date_time.unit.second);
} else if (date_time.reg >> 12 == previous_date_time >> 12 && event.bit.event_type != EVENT_SCREENSAVER) {
// everything before minutes is the same.
pos = 6;
sprintf(buf, "%02d%02d", date_time.unit.minute, date_time.unit.second);
} else {
// other stuff changed; let's do it all.
if (!settings->bit.clock_mode_24h) {
// if we are in 12 hour mode, do some cleanup.
if (date_time.unit.hour < 12) {
watch_clear_indicator(WATCH_INDICATOR_PM);
} else {
watch_set_indicator(WATCH_INDICATOR_PM);
}
date_time.unit.hour %= 12;
if (date_time.unit.hour == 0) date_time.unit.hour = 12;
}
pos = 0;
if (event.bit.event_type == EVENT_SCREENSAVER) {
sprintf(buf, "%s%2d%2d%02d ", weekdays[simple_clock_widget_get_weekday(date_time.unit.year, date_time.unit.month, date_time.unit.day)], date_time.unit.day, date_time.unit.hour, date_time.unit.minute);
} else {
sprintf(buf, "%s%2d%2d%02d%02d", weekdays[simple_clock_widget_get_weekday(date_time.unit.year, date_time.unit.month, date_time.unit.day)], date_time.unit.day, date_time.unit.hour, date_time.unit.minute, date_time.unit.second);
}
}
watch_display_string(buf, pos);
break;
case EVENT_MODE_BUTTON_UP:
launcher_move_to_next_widget();
return false;
case EVENT_LIGHT_BUTTON_UP:
launcher_illuminate_led();
break;
case EVENT_ALARM_BUTTON_UP:
break;
default:
break;
}
return true;
}
void simple_clock_widget_resign(LauncherSettings *settings, void *context) {
(void) settings;
(void) context;
}
uint8_t simple_clock_widget_get_weekday(uint16_t year, uint16_t month, uint16_t day) {
year += 20;
if (month <= 2) {
month += 12;
year--;
}
return (day + 13 * (month + 1) / 5 + year + year / 4 + 525) % 7;
}
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