static MEMO_EL * DoActions( MEMO_EL * el, ACTION act )
/****************************************************/
/* Perform one action on the memos.
*/
{
MEMO_EL * new_el;
MEMO_EL * prev_el;
switch( act ) {
case HELP:
Help();
break;
case ADD:
new_el = AddMemo( el );
if( new_el != NULL ) {
el = new_el;
MemosModified = TRUE;
}
break;
case DELETE:
el = DeleteMemo( el );
MemosModified = TRUE;
break;
case REPLACE:
prev_el = el;
new_el = AddMemo( el );
if( new_el != NULL ) {
DeleteMemo( prev_el );
MemosModified = TRUE;
}
break;
case SHOW:
DisplayMemo( el );
break;
case UP:
el = DoUpAction( el );
break;
case DOWN:
el = DoDownAction( el );
break;
case TOP:
el = NULL;
break;
case TODAY:
el = ShowTodaysMemos();
break;
case SAVE:
if( SaveMemos() ) {
MemosModified = FALSE;
}
break;
case QUIT:
if( WantToQuit() ) {
QuitFlag = TRUE;
el = NULL;
}
}
return( el );
}
int
PurgeMemos(struct MemoInfo *mptr)
{
int ret;
struct Memo *memoptr, *next;
if (!mptr)
return 0;
ret = 0;
for (memoptr = mptr->memos; memoptr; memoptr = next)
{
next = memoptr->next;
if (memoptr->flags & MS_DELETE)
{
++ret;
DeleteMemo(mptr, memoptr);
}
}
mptr->memocnt -= ret;
if (!mptr->memocnt)
{
/*
* mptr has no more memos - delete it from the memolist[]
* array
*/
DeleteMemoList(mptr);
return (ret);
}
else if (ret)
{
int cnt;
/*
* its possible that the indices of the memos are now
* messed up - if you have 3 memos, and you delete the 2nd one,
* you'll have 2 memos, one with an index of 1, and the other
* with an index of 3 - check if consecutive indices are
* one higher than the previous - if not, fix it
*/
cnt = 0;
for (memoptr = mptr->memos; memoptr; memoptr = memoptr->next)
{
if (memoptr->index != (cnt + 1))
memoptr->index = cnt + 1;
++cnt;
}
}
return (ret);
} /* PurgeMemos() */
