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-rwxr-xr-xsrc/todo.c98
1 files changed, 80 insertions, 18 deletions
diff --git a/src/todo.c b/src/todo.c
index fffe029..385acc7 100755
--- a/src/todo.c
+++ b/src/todo.c
@@ -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
@@ -35,33 +35,30 @@
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 ch = 0;
char *mesg = _("Enter the new ToDo item : ");
+ char *mesg_id =
+ _("Enter the ToDo priority [1 (highest) - 9 (lowest)] :");
char todo_input[MAX_LENGTH];
status_mesg(mesg, "");
getstring(swin, colr, todo_input, 0, 1);
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++;
}
return total;
}
-struct todo_s *todo_insert(char *mesg)
-{
- 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;
-}
-
+/* Add an item in the todo linked list. */
struct todo_s *todo_add(char *mesg, int id)
{
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);
strcpy(o->mesg, mesg);
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;
}
+/* Delete an item from the todo linked list. */
void todo_delete_bynum(unsigned num)
{
unsigned n;
@@ -93,7 +96,66 @@ void todo_delete_bynum(unsigned num)
iptr = &i->next;
n++;
}
- /* not reached */
+ /* NOTREACHED */
fputs(_("FATAL ERROR in todo_delete_bynum: no such todo\n"), stderr);
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;
+}