/*
* Calcurse - text-based organizer
*
* Copyright (c) 2004-2017 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 unsigned ui_todo_view = 0;
static struct todo *ui_todo_selitem(void)
{
return todo_get_item(listbox_get_sel(&lb_todo),
ui_todo_view == TODO_HIDE_COMPLETED_VIEW);
}
static void ui_todo_set_selitem(struct todo *todo)
{
int n = todo_get_position(todo,
ui_todo_view == TODO_HIDE_COMPLETED_VIEW);
if (n >= 0)
listbox_set_sel(&lb_todo, n);
}
/* 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 [0 (none), 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 < '0') || (ch > '9')) {
status_mesg(mesg_id, "");
ch = keys_wgetch(win[KEY].p);
}
struct todo *todo = todo_add(todo_input, ch - '0', 0, NULL);
ui_todo_load_items();
io_set_modified();
ui_todo_set_selitem(todo);
}
}
/* 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;
struct todo *item = ui_todo_selitem();
if (!item || (conf.confirm_delete &&
(status_ask_bool(del_todo_str) != 1))) {
wins_erase_status_bar();
return;
}
if (item->note)
answer = status_ask_choice(erase_warning, erase_choice,
nb_erase_choice);
else
answer = 1;
switch (answer) {
case 1:
todo_delete(item);
ui_todo_load_items();
io_set_modified();
break;
case 2:
todo_delete_note(item);
io_set_modified();
break;
default:
wins_erase_status_bar();
return;
}
}
/* Edit the description of an already existing todo item. */
void ui_todo_edit(void)
{
struct todo *item = ui_todo_selitem();
const char *mesg = _("Enter the new TODO description:");
if (!item)
return;
status_mesg(mesg, "");
updatestring(win[STA].p, &item->mesg, 0, 1);
todo_resort(item);
ui_todo_load_items();
io_set_modified();
ui_todo_set_selitem(item);
}
/* 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 *item = ui_todo_selitem();
if (!item)
return;
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_write(item, fpout);
fclose(fpout);
child_wait(NULL, &pout, pid);
press_any_key();
}
wins_unprepare_external();
}
/* Display todo items in the corresponding panel. */
void ui_todo_draw(int n, WINDOW *win, int y, int hilt, void *cb_data)
{
llist_item_t *i = *((llist_item_t **)cb_data);
struct todo *todo = LLIST_TS_GET_DATA(i);
char mark[] = { 0, 0, 0, 0 };
int width = lb_todo.sw.w - 2;
char buf[width * UTF8_MAXLEN];
char *mesg;
int j;
if (ui_todo_view == TODO_HIDE_COMPLETED_VIEW) {
while (i && todo->completed) {
i = i->next;
if (i)
todo = LLIST_TS_GET_DATA(i);
}
}
mark[0] = todo->completed ? 'X' : (todo->id > 0 ? '0' + todo->id : 0);
if (todo->note) {
if (mark[0] == '\0') {
mark[0] = '>';
mark[1] = ' ';
} else {
mark[1] = '>';
mark[2] = ' ';
}
} else if (mark[0] != '\0') {
mark[1] = '.';
mark[2] = ' ';
}
width -= strlen(mark);
hilt = hilt && (wins_slctd() == TOD);
if (hilt)
custom_apply_attr(win, ATTR_HIGHEST);
if (utf8_strwidth(todo->mesg) < width) {
mesg = todo->mesg;
} else {
width -= 3;
for (j = 0; todo->mesg[j] && width > 0; j++) {
if (!UTF8_ISCONT(todo->mesg[j]))
width -= utf8_width(&todo->mesg[j]);
buf[j] = todo->mesg[j];
}
if (j) {
buf[j - 1] = '.';
buf[j] = '.';
buf[j + 1] = '.';
buf[j + 2] = '\0';
} else {
buf[0] = 0;
}
mesg = buf;
}
mvwprintw(win, y, 0, "%s%s", mark, mesg);
if (hilt)
custom_remove_attr(win, ATTR_HIGHEST);
*((llist_item_t **)cb_data) = i->next;
}
enum listbox_row_type ui_todo_row_type(int i, void *cb_data)
{
return LISTBOX_ROW_TEXT;
}
int ui_todo_height(int n, void *cb_data)
{
return 1;
}
void ui_todo_load_items(void)
{
int n = 0;
llist_item_t *i;
/* TODO: Optimize this by keeping the list size in a variable. */
LLIST_FOREACH(&todolist, i) {
struct todo *todo = LLIST_TS_GET_DATA(i);
if (ui_todo_view == TODO_HIDE_COMPLETED_VIEW &&
todo->completed)
continue;
n++;
}
listbox_load_items(&lb_todo, n);
}
void ui_todo_sel_reset(void)
{
listbox_sel_move(&lb_todo, 0);
}
void ui_todo_sel_move(int delta)
{
listbox_sel_move(&lb_todo, delta);
}
/* Updates the TODO panel. */
void ui_todo_update_panel(int hilt)
{
/*
* This is used and modified by ui_todo_draw() to avoid quadratic
* running time.
*/
llist_item_t *p = LLIST_FIRST(&todolist);
listbox_set_cb_data(&lb_todo, &p);
listbox_display(&lb_todo, hilt);
}
/* Change an item priority by pressing '+' or '-' inside TODO panel. */
void ui_todo_chg_priority(int diff)
{
struct todo *item = ui_todo_selitem();
if (!item)
return;
int id = item->id + diff;
struct todo *item_new;
if (id < 0)
id = 0;
else if (id > 9)
id = 9;
item_new = todo_add(item->mesg, id, item->completed, item->note);
todo_delete(item);
io_set_modified();
ui_todo_set_selitem(item_new);
}
void ui_todo_popup_item(void)
{
struct todo *item = ui_todo_selitem();
if (!item)
return;
item_in_popup(NULL, NULL, item->mesg, _("TODO:"));
}
void ui_todo_flag(void)
{
struct todo *item = ui_todo_selitem();
if (!item)
return;
todo_flag(item);
ui_todo_load_items();
io_set_modified();
ui_todo_set_selitem(item);
}
void ui_todo_view_note(void)
{
struct todo *item = ui_todo_selitem();
if (!item)
return;
todo_view_note(item, conf.pager);
}
void ui_todo_edit_note(void)
{
struct todo *item = ui_todo_selitem();
if (!item)
return;
todo_edit_note(item, conf.editor);
io_set_modified();
}
/* Switch to next todo view. */
void ui_todo_view_next(void)
{
ui_todo_view++;
if (ui_todo_view == TODO_VIEWS)
ui_todo_view = 0;
ui_todo_load_items();
}
/* Switch to previous todo view. */
void ui_todo_view_prev(void)
{
if (ui_todo_view == 0)
ui_todo_view = TODO_VIEWS;
ui_todo_view--;
ui_todo_load_items();
}
void ui_todo_set_view(int view)
{
ui_todo_view = (view < 0 || view >= TODO_VIEWS) ?
TODO_SHOW_COMPLETED_VIEW : view;
}
int ui_todo_get_view(void)
{
return (int)ui_todo_view;
}