X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fprint_time.c;h=5133c5108b9ffded80b7a1050d8038f8c5c1b18a;hb=478064800bf1fd7999f7bb0ee5ae3553760e2c45;hp=2cf2ab3ad22e8bb73f69f0b6865cf6af0d1ea5c1;hpb=da595ee9f7cc487b02109e992e4b2f3f27f78d5a;p=i3%2Fi3status diff --git a/src/print_time.c b/src/print_time.c index 2cf2ab3..5133c51 100644 --- a/src/print_time.c +++ b/src/print_time.c @@ -1,19 +1,90 @@ -// vim:ts=8:expandtab +// vim:ts=4:sw=4:expandtab +#include #include #include #include +#include +#include +#include +#include -void print_time(const char *format) { - static char part[512]; - /* Get date & time */ - time_t current_time = time(NULL); - if (current_time == (time_t) -1) { - return; +#include "i3status.h" + +static bool local_timezone_init = false; +static const char *local_timezone = NULL; +static const char *current_timezone = NULL; + +void set_timezone(const char *tz) { + if (!local_timezone_init) { + /* First call, initialize. */ + local_timezone = getenv("TZ"); + local_timezone_init = true; + } + if (tz == NULL || tz[0] == '\0') { + /* User wants localtime. */ + tz = local_timezone; + } + if (tz != current_timezone) { + if (tz) { + setenv("TZ", tz, 1); + } else { + unsetenv("TZ"); } - struct tm *current_tm = localtime(¤t_time); - if (current_tm == NULL) { - return; + current_timezone = tz; + } + tzset(); +} + +void print_time(yajl_gen json_gen, char *buffer, const char *title, const char *format, const char *tz, const char *locale, const char *format_time, bool hide_if_equals_localtime, time_t t) { + const char *walk; + char *outwalk = buffer; + struct tm local_tm, tm; + char timebuf[1024]; + + if (title != NULL) + INSTANCE(title); + + set_timezone(NULL); + localtime_r(&t, &local_tm); + + set_timezone(tz); + localtime_r(&t, &tm); + + // When hide_if_equals_localtime is true, compare local and target time to display only if different + time_t local_t = mktime(&local_tm); + double diff = difftime(local_t, t); + if (hide_if_equals_localtime && diff == 0.0) { + goto out; + } + + if (locale != NULL) { + setlocale(LC_ALL, locale); + } + + if (format_time == NULL) { + strftime(timebuf, sizeof(timebuf), format, &tm); + maybe_escape_markup(timebuf, &outwalk); + } else { + for (walk = format; *walk != '\0'; walk++) { + if (*walk != '%') { + *(outwalk++) = *walk; + + } else if (BEGINS_WITH(walk + 1, "time")) { + strftime(timebuf, sizeof(timebuf), format_time, &tm); + maybe_escape_markup(timebuf, &outwalk); + walk += strlen("time"); + + } else { + *(outwalk++) = '%'; + } } - (void)strftime(part, sizeof(part), format, current_tm); - printf("%s", part); + } + + if (locale != NULL) { + setlocale(LC_ALL, ""); + } + +out: + *outwalk = '\0'; + OUTPUT_FULL_TEXT(buffer); }