ede/etimedate/Fl_Time_Input.h

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/*
* $Id$
*
* Application for setting system date, time and local timezone
* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2000-2007 EDE Authors.
*
* This program is licenced under terms of the
* GNU General Public Licence version 2 or newer.
* See COPYING for details.
*/
#ifndef _FL_TIME_INPUT_H_
#define _FL_TIME_INPUT_H_
#include <FL/Fl_Input.H>
#include <string.h>
#include <stdlib.h>
#include <time.h>
class Fl_Time_Input : public Fl_Input {
int h,m,s;
// Parse time into variables h,m,s
// Return true if time is valid, else returns false
bool parse_time(const char* time) {
if (!time) return false;
h=m=s=0;
char* p = (char*)time;
while (*p != ':') {
if (*p<'0' || *p>'9') return false;
h=h*10+(*p++-48);
}
p++;
while (*p != ':') {
if (*p<'0' || *p>'9') return false;
m=m*10+(*p++-48);
}
p++;
while (*p != '\0') {
if (*p<'0' || *p>'9') return false;
s=s*10+(*p++-48);
}
if (h>23 || m>59 || s>59) return false;
return true;
}
public:
Fl_Time_Input(int x, int y, int w, int h, const char *l = 0) : Fl_Input(x,y,w,h,l) { value("00:00:00"); }
void value(const char* l) {
int p = position(), m = mark();
if (parse_time(l)) Fl_Input::value(l);
else Fl_Input::value("00:00:00");
position(p,m);
}
const char* value() { return Fl_Input::value(); }
int handle(int e) {
char* oldvalue = strdup(Fl_Input::value());
int ret = Fl_Input::handle(e);
if (!parse_time(Fl_Input::value())) Fl_Input::value(oldvalue);
free(oldvalue);
return ret;
}
int hour() { parse_time(value()); return h; }
int minute() { parse_time(value()); return m; }
int second() { parse_time(value()); return s; }
void hour(int val) {
parse_time(value());
char tmp[10];
snprintf(tmp, 10, "%02d:%02d:%02d", val, m, s);
value(tmp);
}
void minute(int val) {
parse_time(value());
char tmp[10];
snprintf(tmp, 10, "%02d:%02d:%02d", h, val, s);
value(tmp);
}
void second(int val) {
parse_time(value());
char tmp[10];
snprintf(tmp, 10, "%02d:%02d:%02d", h, m, val);
value(tmp);
}
void epoch(time_t val) {
struct tm* t = localtime(&val);
char tmp[10];
snprintf(tmp, 10, "%02d:%02d:%02d", t->tm_hour, t->tm_min, t->tm_sec);
value(tmp);
}
time_t epoch() {
time_t ep = time(0);
struct tm* t = localtime(&ep);
t->tm_hour = hour();
t->tm_min = minute();
t->tm_sec = second();
return mktime(t);
}
};
#endif