summaryrefslogtreecommitdiffstats
path: root/src/ui-todo.c
blob: baecff8abecb17fcfa834c3817c6d774596f4ca0 (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
/*
 * Calcurse - text-based organizer
 *
 * Copyright (c) 2004-2013 calcurse Development Team <misc@calcurse.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 : misc@calcurse.org
 * Calcurse home page : http://calcurse.org
 *
 */

#include "calcurse.h"

static int hilt = 0;
static int todos = 0;
static int first = 1;
static char *msgsav;

/* Request user to enter a new todo item. */
void ui_todo_add(void)
{
  int ch = 0;
  const char *mesg = _("Enter the new ToDo item : ");
  const char *mesg_id =
      _("Enter the ToDo priority [1 (highest) - 9 (lowest)] :");
  char todo_input[BUFSIZ] = "";

  status_mesg(mesg, "");
  if (getstring(win[STA].p, todo_input, BUFSIZ, 0, 1) == GETSTRING_VALID) {
    while ((ch < '1') || (ch > '9')) {
      status_mesg(mesg_id, "");
      ch = wgetch(win[KEY].p);
    }
    todo_add(todo_input, ch - '0', NULL);
    ui_todo_set_nb(ui_todo_nb() + 1);
  }
}

/* Delete an item from the ToDo list. */
void ui_todo_delete(void)
{
  const char *del_todo_str = _("Do you really want to delete this task ?");
  const char *erase_warning =
      _("This item has a note attached to it. "
        "Delete (t)odo or just its (n)ote ?");
  const char *erase_choice = _("[tn]");
  const int nb_erase_choice = 2;
  int answer;

  if ((ui_todo_nb() <= 0) ||
      (conf.confirm_delete && (status_ask_bool(del_todo_str) != 1))) {
    wins_erase_status_bar();
    return;
  }

  /* This todo item doesn't have any note associated. */
  if (todo_get_item(ui_todo_hilt())->note == NULL)
    answer = 1;
  else
    answer = status_ask_choice(erase_warning, erase_choice, nb_erase_choice);

  switch (answer) {
  case 1:
    todo_delete(todo_get_item(ui_todo_hilt()));
    ui_todo_set_nb(ui_todo_nb() - 1);
    if (ui_todo_hilt() > 1)
      ui_todo_hilt_decrease(1);
    if (ui_todo_nb() == 0)
      ui_todo_hilt_set(0);
    if (ui_todo_hilt_pos() < 0)
      ui_todo_first_decrease(1);
    break;
  case 2:
    todo_delete_note(todo_get_item(ui_todo_hilt()));
    break;
  default:
    wins_erase_status_bar();
    return;
  }
}

/* Edit the description of an already existing todo item. */
void ui_todo_edit(void)
{
  struct todo *i;
  const char *mesg = _("Enter the new ToDo description :");

  status_mesg(mesg, "");
  i = todo_get_item(ui_todo_hilt());
  updatestring(win[STA].p, &i->mesg, 0, 1);
}

/* Pipe a todo item to an external program. */
void ui_todo_pipe(void)
{
  char cmd[BUFSIZ] = "";
  char const *arg[] = { cmd, NULL };
  int pout;
  int pid;
  FILE *fpout;
  struct todo *todo;

  status_mesg(_("Pipe item to external command:"), "");
  if (getstring(win[STA].p, cmd, BUFSIZ, 0, 1) != GETSTRING_VALID)
    return;

  wins_prepare_external();
  if ((pid = shell_exec(NULL, &pout, *arg, arg))) {
    fpout = fdopen(pout, "w");

    todo = todo_get_item(ui_todo_hilt());
    todo_write(todo, fpout);

    fclose(fpout);
    child_wait(NULL, &pout, pid);
    press_any_key();
  }
  wins_unprepare_external();
}

/* Sets which todo is highlighted. */
void ui_todo_hilt_set(int highlighted)
{
  hilt = highlighted;
}

void ui_todo_hilt_decrease(int n)
{
  hilt -= n;
}

void ui_todo_hilt_increase(int n)
{
  hilt += n;
}

/* Return which todo is highlighted. */
int ui_todo_hilt(void)
{
  return hilt;
}

/* Set the number of todos. */
void ui_todo_set_nb(int nb)
{
  todos = nb;
}

/* Set which one is the first todo to be displayed. */
void ui_todo_set_first(int nb)
{
  first = nb;
}

void ui_todo_first_increase(int n)
{
  first += n;
}

void ui_todo_first_decrease(int n)
{
  first -= n;
}

/*
 * Return the position of the hilghlighted item, relative to the first one
 * displayed.
 */
int ui_todo_hilt_pos(void)
{
  return hilt - first;
}

/* Return the number of todos. */
int ui_todo_nb(void)
{
  return todos;
}

/* Return the last visited todo. */
char *ui_todo_saved_mesg(void)
{
  return msgsav;
}

/* Display todo items in the corresponding panel. */
static void
display_todo_item(int incolor, char *msg, int prio, int note, int width, int y,
                  int x)
{
  WINDOW *w;
  int ch_note;
  char buf[width * UTF8_MAXLEN], priostr[2];
  int i;

  w = win[TOD].p;
  ch_note = (note) ? '>' : '.';
  if (prio > 0)
    snprintf(priostr, sizeof priostr, "%d", prio);
  else
    strncpy(priostr, "X", sizeof priostr);

  if (incolor == 0)
    custom_apply_attr(w, ATTR_HIGHEST);
  if (utf8_strwidth(msg) < width) {
    mvwprintw(w, y, x, "%s%c %s", priostr, ch_note, msg);
  } else {
    for (i = 0; msg[i] && width > 0; i++) {
      if (!UTF8_ISCONT(msg[i]))
        width -= utf8_width(&msg[i]);
      buf[i] = msg[i];
    }
    if (i)
      buf[i - 1] = 0;
    else
      buf[0] = 0;
    mvwprintw(w, y, x, "%s%c %s...", priostr, ch_note, buf);
  }
  if (incolor == 0)
    custom_remove_attr(w, ATTR_HIGHEST);
}

/* Updates the ToDo panel. */
void ui_todo_update_panel(int which_pan)
{
  llist_item_t *i;
  int len = win[TOD].w - 8;
  int num_todo = 0;
  int title_lines = conf.compact_panels ? 1 : 3;
  int y_offset = title_lines, x_offset = 1;
  int t_realpos = -1;
  int todo_lines = 1;
  int max_items = win[TOD].h - 4;
  int incolor = -1;

  if ((int)win[TOD].h < 4)
    return;

  /* Print todo item in the panel. */
  erase_window_part(win[TOD].p, 1, title_lines, win[TOD].w - 2, win[TOD].h - 2);
  LLIST_FOREACH(&todolist, i) {
    struct todo *todo = LLIST_TS_GET_DATA(i);
    num_todo++;
    t_realpos = num_todo - first;
    incolor = (which_pan == TOD) ? num_todo - hilt : num_todo;
    if (incolor == 0)
      msgsav = todo->mesg;
    if (t_realpos >= 0 && t_realpos < max_items) {
      display_todo_item(incolor, todo->mesg, todo->id,
                        (todo->note != NULL) ? 1 : 0, len, y_offset, x_offset);
      y_offset = y_offset + todo_lines;
    }
  }

  /* Draw the scrollbar if necessary. */
  if (todos > max_items) {
    int sbar_length = max_items * (max_items + 1) / todos;
    int highend = max_items * first / todos;
    unsigned hilt_bar = (which_pan == TOD) ? 1 : 0;
    int sbar_top = highend + title_lines;

    if ((sbar_top + sbar_length) > win[TOD].h - 1)
      sbar_length = win[TOD].h - 1 - sbar_top;
    draw_scrollbar(win[TOD].p, sbar_top, win[TOD].w - 2,
                   sbar_length, title_lines, win[TOD].h - 1, hilt_bar);
  }

  wnoutrefresh(win[TOD].p);
}

/* Change an item priority by pressing '+' or '-' inside TODO panel. */
void ui_todo_chg_priority(struct todo *todo, int diff)
{
  int id = todo->id + diff;
  struct todo *todo_new;

  if (id < 1)
    id = 1;
  else if (id > 9)
    id = 9;

  todo_new = todo_add(todo->mesg, id, todo->note);
  todo_delete(todo);
  hilt = todo_get_position(todo_new);
}