aboutsummaryrefslogtreecommitdiffstats
path: root/src/apoint.c
blob: a7c7e4d31bfadc31a3317cbe2c815451ff311530 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
/*	$calcurse: apoint.c,v 1.9 2007/02/25 19:31:44 culot Exp $	*/

/*
 * Calcurse - text-based organizer
 * Copyright (c) 2004-2007 Frederic Culot
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Send your feedback or comments to : calcurse@culot.org
 * Calcurse home page : http://culot.org/calcurse
 *
 */

#include <ncurses.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>

#include "i18n.h"
#include "vars.h"
#include "event.h"
#include "apoint.h"
#include "day.h"
#include "custom.h"
#include "utils.h"
#include "notify.h"
#include "recur.h"

apoint_llist_t *alist_p;

int apoint_llist_init(void)
{
	alist_p = (apoint_llist_t *) malloc(sizeof(apoint_llist_t));
	alist_p->root = NULL;
	pthread_mutex_init(&(alist_p->mutex), NULL);

	return 0;
}

apoint_llist_node_t *
apoint_new(char *mesg, long start, long dur, char state)
{
	apoint_llist_node_t *o, **i;

	o = (apoint_llist_node_t *) malloc(sizeof(apoint_llist_node_t));
	o->mesg = (char *) malloc(strlen(mesg) + 1);
	strncpy(o->mesg, mesg, strlen(mesg) + 1);
	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;
}

unsigned apoint_inday(apoint_llist_node_t *i, long start)
{
	if (i->start <= start + 3600 * 24 && i->start + i->dur > start) {
		return 1;
	}
	return 0;
}

void apoint_sec2str(apoint_llist_node_t *o, 
	int type, long day, char *start, char *end)
{
	struct tm *lt;
	time_t t;

	if (o->start < day && type == APPT) {
		strncpy(start, "..:..", 6);
	} else {
		t = o->start;
		lt = localtime(&t);
		snprintf(start, HRMIN_SIZE, "%02u:%02u", lt->tm_hour,
			 lt->tm_min);
	}
	if (o->start + o->dur > day + 24 * 3600 && type == APPT) {
		strncpy(end, "..:..", 6);
	} else {
		t = o->start + o->dur;
		lt = localtime(&t);
		snprintf(end, HRMIN_SIZE, "%02u:%02u", lt->tm_hour,
			 lt->tm_min);
	}
}

void 
apoint_write(apoint_llist_node_t *o, FILE * f)
{
	struct tm *lt;
	time_t t;

	t = o->start;
	lt = localtime(&t);
	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);
	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->state & APOINT_NOTIFY)
		fprintf(f, "!");
	else
		fprintf(f, "|");

	fprintf(f, "%s\n", o->mesg);
}

apoint_llist_node_t *
apoint_scan(FILE * f, struct tm start, struct tm end, char state)
{
	struct tm *lt;
	char buf[MESG_MAXSIZE], *nl;
	time_t tstart, tend, t;

	t = time(NULL);
	lt = localtime(&t);

        /* Read the appointment description */
	fgets(buf, MESG_MAXSIZE, f);
	nl = strchr(buf, '\n');
	if (nl) {
		*nl = '\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);
	if (tstart == -1 || tend == -1 || tstart > tend) {
		fputs(_("FATAL ERROR in apoint_scan: date error in the appointment\n"), stderr);
		exit(EXIT_FAILURE);
	}
	return apoint_new(buf, tstart, tend - tstart, state);
}

void apoint_delete_bynum(long start, unsigned num)
{
	unsigned n;
	int need_check_notify = 0;
	apoint_llist_node_t *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) {
				if (notify_bar()) 
					need_check_notify = notify_same_item(i->start);	 
				*iptr = i->next;
				free(i->mesg);
				free(i);
				pthread_mutex_unlock(&(alist_p->mutex));
				if (need_check_notify) notify_check_next_app();
				return;
			}
			n++;
		}
		iptr = &i->next;
	}
	pthread_mutex_unlock(&(alist_p->mutex));

	/* NOTREACHED */
	fputs(_("FATAL ERROR in apoint_delete_bynum: no such appointment\n"), stderr);
	exit(EXIT_FAILURE);
}

/* 
 * Print an item date in the appointment panel.
 */
void display_item_date(WINDOW *win, int incolor, apoint_llist_node_t *i,
			int type, long date, int y, int x)
{
	char a_st[100], a_end[100];
	int recur = 0;

	apoint_sec2str(i, type, date, a_st, a_end);
	if (type == RECUR_EVNT || type == RECUR_APPT)
		recur = 1;
	if (incolor == 0) 
		custom_apply_attr(win, ATTR_HIGHEST);
	if (recur)
		if (i->state & APOINT_NOTIFY)
			mvwprintw(win, y, x, " *!%s -> %s", a_st, a_end);
		else
			mvwprintw(win, y, x, " * %s -> %s", a_st, a_end);
	else
		if (i->state & APOINT_NOTIFY)
			mvwprintw(win, y, x, " -!%s -> %s", a_st, a_end);
		else
			mvwprintw(win, y, x, " - %s -> %s", a_st, a_end);
	if (incolor == 0) 
		custom_remove_attr(awin, ATTR_HIGHEST);
}

/*
 * 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.
 */
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 scroll_pad_down(int item_nb, 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(item_nb, nb_events_inday);
	if (item_nb < 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 scroll_pad_up(int item_nb, int nb_events_inday)
{
	int item_first_line = 0;

	item_first_line = get_item_line(item_nb, 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_s *
apoint_check_next(struct notify_app_s *app, long start)
{
	apoint_llist_node_t *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 = mycpy(i->mesg);
				app->state = i->state;
				app->got_app = 1;
			} 
		}
	}
	pthread_mutex_unlock(&(alist_p->mutex));

	return app;
}

/* 
 * Returns a structure of type apoint_llist_t given a structure of type 
 * recur_apoint_s 
 */
apoint_llist_node_t *apoint_recur_s2apoint_s(
	recur_apoint_llist_node_t *p)
{
	apoint_llist_node_t *a;

	a = (apoint_llist_node_t *) malloc(sizeof(apoint_llist_node_t));
	a->mesg = (char *) malloc(strlen(p->mesg) + 1);
	a->start = p->start;
	a->dur = p->dur;
	a->mesg = p->mesg;
	return a;
}

/*
 * Switch notification state.
 */
void
apoint_switch_notify(int year, int month, int day, int item_num)
{
	apoint_llist_node_t *apoint;
	struct day_item_s *p;
	long date;
	int apoint_nb, n, need_chk_notify;

	p = day_get_item(item_num);
	if (p->type != APPT && p->type != RECUR_APPT)
		return;
	
	date = date2sec(year, month, day, 0, 0);

	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, item_num, 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));

	/* NOTREACHED */
	fputs(_("FATAL ERROR in apoint_switch_notify: no such appointment\n"), 
	    stderr);
	exit(EXIT_FAILURE);
}