void *uibegdialog( char *title, VFIELD *fields, ORD rows, ORD cols, int rpos, int cpos )
{
char *lines[1];
a_dialog *info;
lines[ 0 ] = NULL;
info = uicalloc( 1, sizeof( a_dialog ) );
if( info == NULL ) {
return( NULL );
}
info->vs = uiinitdialog( title, UIData->attrs[ ATTR_NORMAL ],
lines, rows, cols, rpos, cpos );
uireinitdialog( info, fields );
return( info );
}
a_list_info *uibeglistbox( VSCREEN *vs, SAREA *area, a_list *list )
{
a_list_info *box;
unsigned maxline;
box = uicalloc( 1, sizeof( a_list_info ) );
if( box == NULL ) {
return( NULL );
}
if( list->get == NULL ) {
list->get = ( bool (*) ( void *, unsigned, char *, unsigned ) )
uigetlistelement;
}
box->vs = vs;
box->area = *area;
box->line = list->choice;
box->row = list->choice;
box->attr = ATTR_EDIT;
maxline = uilistsize( list );
box->gadget.win = box->vs; // Initialize gadget
box->gadget.dir = VERTICAL;
box->gadget.anchor = box->area.col + box->area.width + 1;
box->gadget.start = box->area.row + 1;
box->gadget.end = box->area.row + box->area.height;
box->gadget.forward = EV_SCROLL_LINE_DOWN;
box->gadget.backward = EV_SCROLL_LINE_UP;
box->gadget.slider = EV_SCROLL_VERTICAL,
box->gadget.pageforward = EV_SCROLL_PAGE_DOWN;
box->gadget.pagebackward = EV_SCROLL_PAGE_UP;
box->gadget.total_size = (int)maxline;
if( box->gadget.total_size < (int)box->area.height )
box->gadget.total_size = (int)box->area.height;
box->gadget.page_size = box->area.height;
box->gadget.pos = 0;
box->gadget.flags = GADGET_NONE;
uiinitgadget( &box->gadget );
list->box = box;
setstartline( list );
uipaintlistbox( list );
return( box );
}
/* This function will add a string and matching event to KeyTrie. It adds
* with the trie arrays sorted using linear insertion. It may be possible
* to improve the performance, but I think any improvements would be slight,
* as this function is only called at initialization.
*/
int TrieAdd( EVENT event, const char *str )
{
eTrie *trie = &KeyTrie;
int i;
int depth = 1;
if( str != NULL && *str == '\0' )
return( TRUE );
for( ;; ) {
i = child_search( *str, trie );
if( i == trie->num_child || trie->child[i].c != *str ) {
// the char's not in the list, so we'd better add it
trie->num_child++;
if( trie->alc_child < trie->num_child ) {
//eNode *tmp;
// the array isn't big enough, expand it a bit
trie->alc_child += TRIE_ARRAY_GROWTH;
trie->child = uirealloc( trie->child, trie->alc_child * sizeof( eNode ) );
if( trie->child == NULL ) {
trie->alc_child = 0;
return( FALSE );
}
}
if( i < ( trie->num_child - 1 ) ) {
// We're in the middle of the list, so clear a spot
memmove( &(trie->child[i + 1]), &(trie->child[i]),
( trie->num_child - i - 1 ) * sizeof( eNode ) );
}
trie->child[i].c = *str;
trie->child[i].ev = EV_UNUSED;
trie->child[i].trie = NULL;
}
// advance current char pointer
str++;
// by this point, "i" is set to the index of a matching sub-trie.
if( *str == '\0' ) {
// at the end of the string, so insert the event
trie->child[i].ev = event;
return( TRUE );
}
if( trie->child[i].trie == NULL ) {
// our "matching sub-trie" does not yet exist...
trie->child[i].trie = uicalloc( 1, sizeof( eTrie ) );
if( trie->child[i].trie == NULL ) {
return( FALSE );
}
}
// go down a level, and work on the next char
trie = trie->child[i].trie;
depth++;
if( depth > KeyTrieDepth ) {
KeyTrieDepth = depth;
}
}
}
