/*
* 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);
}
