todo_insert() suppressed

todo_new_item() updated to ask for priority
todo_add() updated to sort items by priority order
todo_get_priority(), todo_get_item() and todo_get_position() created
This commit is contained in:
Frederic Culot 2006-08-31 18:47:54 +00:00
parent 5f1ff985a9
commit bdbc063e9e

View File

@ -1,4 +1,4 @@
/* $calcurse: todo.c,v 1.2 2006/08/30 17:48:41 culot Exp $ */ /* $calcurse: todo.c,v 1.3 2006/08/31 18:47:54 culot Exp $ */
/* /*
* Calcurse - text-based organizer * Calcurse - text-based organizer
@ -35,33 +35,30 @@
struct todo_s *todolist; struct todo_s *todolist;
/* Add an item in the todo list. */ /* Request user to enter a new todo item. */
int todo_new_item(int total, int colr) int todo_new_item(int total, int colr)
{ {
int ch = 0;
char *mesg = _("Enter the new ToDo item : "); char *mesg = _("Enter the new ToDo item : ");
char *mesg_id =
_("Enter the ToDo priority [1 (highest) - 9 (lowest)] :");
char todo_input[MAX_LENGTH]; char todo_input[MAX_LENGTH];
status_mesg(mesg, ""); status_mesg(mesg, "");
getstring(swin, colr, todo_input, 0, 1); getstring(swin, colr, todo_input, 0, 1);
if (strlen(todo_input) != 0) { if (strlen(todo_input) != 0) {
todo_insert(todo_input); while ( (ch < '1') || (ch > '9') ) {
status_mesg(mesg_id, "");
ch = wgetch(swin);
}
todo_add(todo_input, ch - '0');
total++; total++;
} }
return total; return total;
} }
struct todo_s *todo_insert(char *mesg) /* Add an item in the todo linked list. */
{
struct todo_s *o;
o = (struct todo_s *) malloc(sizeof(struct todo_s));
o->mesg = (char *) malloc(strlen(mesg) + 1);
strcpy(o->mesg, mesg);
o->next = todolist;
todolist = o;
return o;
}
struct todo_s *todo_add(char *mesg, int id) struct todo_s *todo_add(char *mesg, int id)
{ {
struct todo_s *o, **i; struct todo_s *o, **i;
@ -69,13 +66,19 @@ struct todo_s *todo_add(char *mesg, int id)
o->mesg = (char *) malloc(strlen(mesg) + 1); o->mesg = (char *) malloc(strlen(mesg) + 1);
strcpy(o->mesg, mesg); strcpy(o->mesg, mesg);
o->id = id; o->id = id;
for (i = &todolist; *i != 0; i = &(*i)->next) { i = &todolist;
for (;;) {
if (*i == 0 || (*i)->id > id) {
o->next = *i;
*i = o;
break;
}
i = &(*i)->next;
} }
o->next = *i;
*i = o;
return o; return o;
} }
/* Delete an item from the todo linked list. */
void todo_delete_bynum(unsigned num) void todo_delete_bynum(unsigned num)
{ {
unsigned n; unsigned n;
@ -93,7 +96,66 @@ void todo_delete_bynum(unsigned num)
iptr = &i->next; iptr = &i->next;
n++; n++;
} }
/* not reached */ /* NOTREACHED */
fputs(_("FATAL ERROR in todo_delete_bynum: no such todo\n"), stderr); fputs(_("FATAL ERROR in todo_delete_bynum: no such todo\n"), stderr);
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
/* Returns a structure containing the selected item. */
struct todo_s *todo_get_item(int item_number)
{
struct todo_s *o;
int i;
o = todolist;
for (i = 1; i < item_number; i++) {
o = o->next;
}
return o;
}
/*
* Returns the position into the linked list corresponding to the
* given todo_s item.
*/
int todo_get_position(struct todo_s *i)
{
struct todo_s *o = todolist;
int n = 1;
for (;;) {
if (o == i) break;
o = o->next;
n++;
}
return n;
}
/* Change an item priority by pressing '+' or '-' inside TODO panel. */
int todo_chg_priority(int action, int item_num)
{
struct todo_s *backup;
char backup_mesg[MAX_LENGTH];
int backup_id;
int do_chg = 1, new_position;
backup = todo_get_item(item_num);
strncpy(backup_mesg, backup->mesg, strlen(backup->mesg) + 1);
backup_id = backup->id;
if (action == '+') {
(backup_id > 1) ? backup_id-- : do_chg--;
} else if (action == '-') {
(backup_id < 9) ? backup_id++ : do_chg--;
} else { /* NOTREACHED */
fputs(_("FATAL ERROR in todo_chg_priority: no such action\n"),
stderr);
}
if (do_chg) {
todo_delete_bynum(item_num - 1);
backup = todo_add(backup_mesg, backup_id);
new_position = todo_get_position(backup);
} else {
new_position = item_num;
}
return new_position;
}