/* $calcurse: apoint.c,v 1.38 2010/03/20 10:54:41 culot Exp $ */
/*
* Calcurse - text-based organizer
*
* Copyright (c) 2004-2010 Frederic Culot <frederic@culot.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Send your feedback or comments to : calcurse@culot.org
* Calcurse home page : http://culot.org/calcurse
*
*/
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#include "calcurse.h"
struct apoint_list *alist_p;
static struct apoint bkp_cut_apoint;
static int hilt;
void
apoint_free_bkp (enum eraseflg flag)
{
if (bkp_cut_apoint.mesg)
{
mem_free (bkp_cut_apoint.mesg);
bkp_cut_apoint.mesg = 0;
}
erase_note (&bkp_cut_apoint.note, flag);
}
static void
apoint_dup (struct apoint *in, struct apoint *bkp)
{
EXIT_IF (!in || !bkp, _("null pointer"));
bkp->start = in->start;
bkp->dur = in->dur;
bkp->state = in->state;
bkp->mesg = mem_strdup (in->mesg);
if (in->note)
bkp->note = mem_strdup (in->note);
}
void
apoint_llist_init (void)
{
alist_p = mem_malloc (sizeof (struct apoint_list));
alist_p->root = NULL;
pthread_mutex_init (&(alist_p->mutex), NULL);
}
/*
* Called before exit to free memory associated with the appointments linked
* list. No need to be thread safe, as only the main process remains when
* calling this function.
*/
void
apoint_llist_free (void)
{
struct apoint *o, **i;
i = &alist_p->root;
while (*i)
{
o = *i;
*i = o->next;
mem_free (o->mesg);
erase_note (&o->note, ERASE_FORCE_KEEP_NOTE);
mem_free (o);
}
mem_free (alist_p);
}
/* Sets which appointment is highlighted. */
void
apoint_hilt_set (int highlighted)
{
hilt = highlighted;
}
void
apoint_hilt_decrease (void)
{
hilt--;
}
void
apoint_hilt_increase (void)
{
hilt++;
}
/* Return which appointment is highlighted. */
int
apoint_hilt (void)
{
return (hilt);
}
struct apoint *
apoint_new (char *mesg, char *note, long start, long dur, char state)
{
struct apoint *o, **i;
o = mem_malloc (sizeof (struct apoint));
o->mesg = mem_strdup (mesg);
o->note = (note != NULL) ? mem_strdup (note) : NULL;
o->state = state;
o->start = start;
o->dur = dur;
pthread_mutex_lock (&(alist_p->mutex));
i = &alist_p->root;
for (;;)
{
if (*i == 0 || (*i)->start > start)
{
o->next = *i;
*i = o;
break;
}
i = &(*i)->next;
}
pthread_mutex_unlock (&(alist_p->mutex));
return (o);
}
/*
* Add an item in either the appointment or the event list,
* depending if the start time is entered or not.
*/
void
apoint_add (void)
{
#define LTIME 6
char *mesg_1 =
_("Enter start time ([hh:mm] or [h:mm]), "
"leave blank for an all-day event : ");
char *mesg_2 =
_("Enter end time ([hh:mm] or [h:mm]) or duration (in minutes) : ");
char *mesg_3 = _("Enter description :");
char *format_message_1 =
_("You entered an invalid start time, should be [h:mm] or [hh:mm]");
char *format_message_2 =
_("You entered an invalid end time, should be [h:mm] or [hh:mm] or [mm]");
char *enter_str = _("Press [Enter] to continue");
int Id = 1;
char item_time[LTIME] = "";
char item_mesg[BUFSIZ] = "";
long apoint_duration = 0, apoint_start;
unsigned heures, minutes;
unsigned end_h, end_m;
int is_appointment = 1;
/* Get the starting time */
while (check_time (item_time) != 1)
{
status_mesg (mesg_1, "");
if (getstring (win[STA].p, item_time, LTIME, 0, 1) != GETSTRING_ESC)
{
if (strlen (item_time) == 0)
{
is_appointment = 0;
break;
}
else if (check_time (item_time) != 1)
{
status_mesg (format_message_1, enter_str);
(void)wgetch (win[STA].p);
}
else
(void)sscanf (item_time, "%u:%u", &heures, &minutes);
}
else
return;
}
/*
* Check if an event or appointment is entered,
* depending on the starting time, and record the
* corresponding item.
*/
if (is_appointment)
{ /* Get the appointment duration */
item_time[0] = '\0';
while (check_time (item_time) == 0)
{
status_mesg (mesg_2, "");
if (getstring (win[STA].p, item_time, LTIME, 0, 1) != GETSTRING_VALID)
return; //nothing entered, cancel adding of event
else if (check_time (item_time) == 0)
{
status_mesg (format_message_2, enter_str);
(void)wgetch (win[STA].p);
}
else
{
if (check_time (item_time) == 2)
apoint_duration = atoi (item_time);
else if (check_time (item_time) == 1)
{
(void)sscanf (item_time, "%u:%u", &end_h, &end_m);
if (end_h < heures)
{
apoint_duration = MININSEC - minutes + end_m
+ (24 + end_h - (heures + 1)) * MININSEC;
}
else
{
apoint_duration = MININSEC - minutes
+ end_m + (end_h - (heures + 1)) * MININSEC;
}
}
}
}
}
else /* Insert the event Id */
Id = 1;
status_mesg (mesg_3, "");
if (getstring (win[STA].p, item_mesg, BUFSIZ, 0, 1) == GETSTRING_VALID)
{
if (is_appointment)
{
apoint_start = date2sec (*calendar_get_slctd_day (), heures, minutes);
(void)apoint_new (item_mesg, 0L, apoint_start,
min2sec (apoint_duration), 0L);
if (notify_bar ())
notify_check_added (item_mesg, apoint_start, 0L);
}
else
(void)event_new (item_mesg, 0L,
date2sec (*calendar_get_slctd_day (), 12, 0), Id);
if (hilt == 0)
hilt++;
}
wins_erase_status_bar ();
}
/* Delete an item from the appointment list. */
void
apoint_delete (struct conf *conf, unsigned *nb_events, unsigned *nb_apoints)
{
char *choices = "[y/n] ";
char *del_app_str = _("Do you really want to delete this item ?");
long date;
int nb_items = *nb_apoints + *nb_events;
unsigned go_for_deletion = 0;
int to_be_removed = 0;
int answer = 0;
int deleted_item_type = 0;
date = calendar_get_slctd_day_sec ();
if (conf->confirm_delete)
{
status_mesg (del_app_str, choices);
answer = wgetch (win[STA].p);
if ((answer == 'y') && (nb_items != 0))
go_for_deletion = 1;
else
{
wins_erase_status_bar ();
return;
}
}
else if (nb_items != 0)
go_for_deletion = 1;
if (go_for_deletion)
{
if (nb_items != 0)
{
deleted_item_type = day_erase_item (date, hilt, ERASE_DONT_FORCE);
if (deleted_item_type == EVNT || deleted_item_type == RECUR_EVNT)
{
(*nb_events)--;
to_be_removed = 1;
}
else if (deleted_item_type == APPT || deleted_item_type == RECUR_APPT)
{
(*nb_apoints)--;
to_be_removed = 3;
}
else if (deleted_item_type == 0)
return;
else
EXIT (_("no such type"));
/* NOTREACHED */
if (hilt > 1)
hilt--;
if (apad.first_onscreen >= to_be_removed)
apad.first_onscreen = apad.first_onscreen - to_be_removed;
if (nb_items == 1)
hilt = 0;
}
}
}
/* Cut an item, so that it can be pasted somewhere else later. */
int
apoint_cut (unsigned *nb_events, unsigned *nb_apoints)
{
const int NBITEMS = *nb_apoints + *nb_events;
int item_type, to_be_removed;
long date;
if (NBITEMS == 0)
return 0;
to_be_removed = 0;
date = calendar_get_slctd_day_sec ();
item_type = day_cut_item (date, hilt);
if (item_type == EVNT || item_type == RECUR_EVNT)
{
(*nb_events)--;
to_be_removed = 1;
}
else if (item_type == APPT || item_type == RECUR_APPT)
{
(*nb_apoints)--;
to_be_removed = 3;
}
else
EXIT (_("no such type"));
/* NOTREACHED */
if (hilt > 1)
hilt--;
if (apad.first_onscreen >= to_be_removed)
apad.first_onscreen = apad.first_onscreen - to_be_removed;
if (NBITEMS == 1)
hilt = 0;
return item_type;
}
/* Paste a previously cut item. */
void
apoint_paste (unsigned *nb_events, unsigned *nb_apoints, int cut_item_type)
{
int item_type;
long date;
date = calendar_get_slctd_day_sec ();
item_type = day_paste_item (date, cut_item_type);
if (item_type == EVNT || item_type == RECUR_EVNT)
(*nb_events)++;
else if (item_type == APPT || item_type == RECUR_APPT)
(*nb_apoints)++;
else
return;
if (hilt == 0)
hilt++;
}
unsigned
apoint_inday (struct apoint *i, long start)
{
if (i->start <= start + DAYINSEC && i->start + i->dur > start)
{
return (1);
}
return (0);
}
void
apoint_sec2str (struct apoint *o, int type, long day, char *start, char *end)
{
struct tm *lt;
time_t t;
if (o->start < day && type == APPT)
(void)strncpy (start, "..:..", 6);
else
{
t = o->start;
lt = localtime (&t);
(void)snprintf (start, HRMIN_SIZE, "%02u:%02u", lt->tm_hour, lt->tm_min);
}
if (o->start + o->dur > day + DAYINSEC && type == APPT)
(void)strncpy (end, "..:..", 6);
else
{
t = o->start + o->dur;
lt = localtime (&t);
(void)snprintf (end, HRMIN_SIZE, "%02u:%02u", lt->tm_hour, lt->tm_min);
}
}
void
apoint_write (struct apoint *o, FILE *f)
{
struct tm *lt;
time_t t;
t = o->start;
lt = localtime (&t);
(void)fprintf (f, "%02u/%02u/%04u @ %02u:%02u",
lt->tm_mon + 1, lt->tm_mday, 1900 + lt->tm_year, lt->tm_hour,
lt->tm_min);
t = o->start + o->dur;
lt = localtime (&t);
(void)fprintf (f, " -> %02u/%02u/%04u @ %02u:%02u ",
lt->tm_mon + 1, lt->tm_mday, 1900 + lt->tm_year, lt->tm_hour,
lt->tm_min);
if (o->note != NULL)
(void)fprintf (f, ">%s ", o->note);
if (o->state & APOINT_NOTIFY)
(void)fprintf (f, "!");
else
(void)fprintf (f, "|");
(void)fprintf (f, "%s\n", o->mesg);
}
struct apoint *
apoint_scan (FILE *f, struct tm start, struct tm end, char state, char *note)
{
char buf[BUFSIZ], *newline;
time_t tstart, tend, t;
t = time (NULL);
(void)localtime (&t);
/* Read the appointment description */
(void)fgets (buf, sizeof buf, f);
newline = strchr (buf, '\n');
if (newline)
*newline = '\0';
start.tm_sec = end.tm_sec = 0;
start.tm_isdst = end.tm_isdst = -1;
start.tm_year -= 1900;
start.tm_mon--;
end.tm_year -= 1900;
end.tm_mon--;
tstart = mktime (&start);
tend = mktime (&end);
EXIT_IF (tstart == -1 || tend == -1 || tstart > tend,
_("date error in appointment"));
return (apoint_new (buf, note, tstart, tend - tstart, state));
}
/* Retrieve an appointment from the list, given the day and item position. */
struct apoint *
apoint_get (long day, int pos)
{
struct apoint *o;
int n;
n = 0;
for (o = alist_p->root; o; o = o->next)
{
if (apoint_inday (o, day))
{
if (n == pos)
return (o);
n++;
}
}
EXIT (_("item not found"));
return 0;
/* NOTREACHED */
}
void
apoint_delete_bynum (long start, unsigned num, enum eraseflg flag)
{
unsigned n;
int need_check_notify = 0;
struct apoint *i, **iptr;
n = 0;
pthread_mutex_lock (&(alist_p->mutex));
iptr = &alist_p->root;
for (i = alist_p->root; i != 0; i = i->next)
{
if (apoint_inday (i, start))
{
if (n == num)
{
switch (flag)
{
case ERASE_FORCE_ONLY_NOTE:
erase_note (&i->note, flag);
pthread_mutex_unlock (&(alist_p->mutex));
break;
case ERASE_CUT:
apoint_free_bkp (ERASE_FORCE);
apoint_dup (i, &bkp_cut_apoint);
erase_note (&i->note, ERASE_FORCE_KEEP_NOTE);
/* FALLTHROUGH */
default:
if (notify_bar ())
need_check_notify = notify_same_item (i->start);
*iptr = i->next;
mem_free (i->mesg);
if (flag != ERASE_FORCE_KEEP_NOTE && flag != ERASE_CUT)
erase_note (&i->note, flag);
mem_free (i);
pthread_mutex_unlock (&(alist_p->mutex));
if (need_check_notify)
notify_check_next_app ();
break;
}
return;
}
n++;
}
iptr = &i->next;
}
pthread_mutex_unlock (&(alist_p->mutex));
EXIT (_("no such appointment"));
/* NOTREACHED */
}
/*
* Return the line number of an item (either an appointment or an event) in
* the appointment panel. This is to help the appointment scroll function
* to place beggining of the pad correctly.
*/
static int
get_item_line (int item_nb, int nb_events_inday)
{
int separator = 2;
int line = 0;
if (item_nb <= nb_events_inday)
line = item_nb - 1;
else
line = nb_events_inday + separator
+ (item_nb - (nb_events_inday + 1)) * 3 - 1;
return line;
}
/*
* Update (if necessary) the first displayed pad line to make the
* appointment panel scroll down next time pnoutrefresh is called.
*/
void
apoint_scroll_pad_down (int nb_events_inday, int win_length)
{
int pad_last_line = 0;
int item_first_line = 0, item_last_line = 0;
int borders = 6;
int awin_length = win_length - borders;
item_first_line = get_item_line (hilt, nb_events_inday);
if (hilt < nb_events_inday)
item_last_line = item_first_line;
else
item_last_line = item_first_line + 1;
pad_last_line = apad.first_onscreen + awin_length;
if (item_last_line >= pad_last_line)
apad.first_onscreen = item_last_line - awin_length;
}
/*
* Update (if necessary) the first displayed pad line to make the
* appointment panel scroll up next time pnoutrefresh is called.
*/
void
apoint_scroll_pad_up (int nb_events_inday)
{
int item_first_line = 0;
item_first_line = get_item_line (hilt, nb_events_inday);
if (item_first_line < apad.first_onscreen)
apad.first_onscreen = item_first_line;
}
/*
* Look in the appointment list if we have an item which starts before the item
* stored in the notify_app structure (which is the next item to be notified).
*/
struct notify_app *
apoint_check_next (struct notify_app *app, long start)
{
struct apoint *i;
pthread_mutex_lock (&(alist_p->mutex));
for (i = alist_p->root; i != 0; i = i->next)
{
if (i->start > app->time)
{
pthread_mutex_unlock (&(alist_p->mutex));
return (app);
}
else
{
if (i->start > start)
{
app->time = i->start;
app->txt = mem_strdup (i->mesg);
app->state = i->state;
app->got_app = 1;
}
}
}
pthread_mutex_unlock (&(alist_p->mutex));
return (app);
}
/*
* Returns a structure of type struct apoint_list given a structure of type
* recur_apoint_s
*/
struct apoint *
apoint_recur_s2apoint_s (struct recur_apoint *p)
{
struct apoint *a;
a = mem_malloc (sizeof (struct apoint));
a->mesg = mem_strdup (p->mesg);
a->start = p->start;
a->dur = p->dur;
return (a);
}
/*
* Switch notification state.
*/
void
apoint_switch_notify (void)
{
struct apoint *apoint;
struct day_item *p;
long date;
int apoint_nb = 0, n, need_chk_notify;
p = day_get_item (hilt);
if (p->type != APPT && p->type != RECUR_APPT)
return;
date = calendar_get_slctd_day_sec ();
if (p->type == RECUR_APPT)
{
recur_apoint_switch_notify (date, p->appt_pos);
return;
}
else if (p->type == APPT)
apoint_nb = day_item_nb (date, hilt, APPT);
n = 0;
need_chk_notify = 0;
pthread_mutex_lock (&(alist_p->mutex));
for (apoint = alist_p->root; apoint != 0; apoint = apoint->next)
{
if (apoint_inday (apoint, date))
{
if (n == apoint_nb)
{
apoint->state ^= APOINT_NOTIFY;
if (notify_bar ())
{
notify_check_added (apoint->mesg, apoint->start,
apoint->state);
}
pthread_mutex_unlock (&(alist_p->mutex));
if (need_chk_notify)
notify_check_next_app ();
return;
}
n++;
}
}
pthread_mutex_unlock (&(alist_p->mutex));
EXIT (_("no such appointment"));
/* NOTREACHED */
}
/* Updates the Appointment panel */
void
apoint_update_panel (int which_pan)
{
int title_xpos;
int bordr = 1;
int title_lines = 3;
int app_width = win[APP].w - bordr;
int app_length = win[APP].h - bordr - title_lines;
long date;
struct date slctd_date;
/* variable inits */
slctd_date = *calendar_get_slctd_day ();
title_xpos = win[APP].w - (strlen (_(monthnames[slctd_date.mm - 1])) + 16);
if (slctd_date.dd < 10)
title_xpos++;
date = date2sec (slctd_date, 0, 0);
day_write_pad (date, app_width, app_length, hilt);
/* Print current date in the top right window corner. */
erase_window_part (win[APP].p, 1, title_lines, win[APP].w - 2,
win[APP].h - 2);
custom_apply_attr (win[APP].p, ATTR_HIGHEST);
mvwprintw (win[APP].p, title_lines, title_xpos, "%s %s %d, %d",
calendar_get_pom (date), _(monthnames[slctd_date.mm - 1]),
slctd_date.dd, slctd_date.yyyy);
custom_remove_attr (win[APP].p, ATTR_HIGHEST);
/* Draw the scrollbar if necessary. */
if ((apad.length >= app_length) || (apad.first_onscreen > 0))
{
float ratio = ((float) app_length) / ((float) apad.length);
int sbar_length = (int) (ratio * app_length);
int highend = (int) (ratio * apad.first_onscreen);
unsigned hilt_bar = (which_pan == APP) ? 1 : 0;
int sbar_top = highend + title_lines + 1;
if ((sbar_top + sbar_length) > win[APP].h - 1)
sbar_length = win[APP].h - 1 - sbar_top;
draw_scrollbar (win[APP].p, sbar_top, win[APP].w - 2, sbar_length,
title_lines + 1, win[APP].h - 1, hilt_bar);
}
wnoutrefresh (win[APP].p);
pnoutrefresh (apad.ptrwin, apad.first_onscreen, 0,
win[APP].y + title_lines + 1, win[APP].x + bordr,
win[APP].y + win[APP].h - 2 * bordr,
win[APP].x + win[APP].w - 3 * bordr);
}
void
apoint_paste_item (void)
{
long bkp_time, bkp_start;
bkp_time = get_item_time (bkp_cut_apoint.start);
bkp_start = calendar_get_slctd_day_sec () + bkp_time;
(void)apoint_new (bkp_cut_apoint.mesg, bkp_cut_apoint.note,
bkp_start, bkp_cut_apoint.dur,
bkp_cut_apoint.state);
apoint_free_bkp (ERASE_FORCE_KEEP_NOTE);
}
