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/*
** A clock which shows the hour as fixed-point number X,
** such that
**
** 0.000 <= X < 24.000
**
** X represents a fractional hour, not hours and minutes.
** Thus the time "8.500" means half past 8 o'clock, not
** ten minutes till 9.
*/
#include <time.h>
void main(int argc, char **argv){
Et_Init(&argc,argv);
ET_INSTALL_COMMANDS;
ET(
label .x -width 6 -text 00.000 -relief raised -bd 2
pack .x
UpdateTime
);
Et_MainLoop();
}
/* Update the time displayed in the text widget named ".x".
** Reschedule this routine to be called again after 3.6
** seconds.
*/
ET_PROC( UpdateTime ){
struct tm *pTime; /* The time of day, decoded */
time_t t; /* Number of seconds since the epoch */
char buf[40]; /* The time value is written here */
t = time(0);
pTime = localtime(&t);
sprintf(buf,"%2d.%03d",pTime->tm_hour,
(pTime->tm_sec + 60*pTime->tm_min)*10/36);
ET( .x config -text %s(buf); after 3600 UpdateTime );
return ET_OK;
}
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