bool GUIListBoxDeleteItem( a_list *list, int choice )
{
int size;
char **data;
int i;
size = GUIListSize( list );
if( choice >= size ) {
return( FALSE );
}
data = (char **)list->data;
list->data = (char ** )GUIMemAlloc( sizeof( char * ) * size );
if( list->data == NULL ) {
list->data = data;
return( FALSE );
}
for( i = 0; i < choice; i++ ) {
((char**)list->data)[i] = data[i];
}
GUIMemFree( data[choice] );
for( i = choice; i < size; i++ ) {
((char **)list->data)[i] = data[i+1];
}
GUIMemFree( data );
if( choice >= GUIListSize( list ) ) {
list->choice = 0;
}
uiupdatelistbox( list );
return( TRUE );
}
bool GUIListBoxDeleteItem( a_list *list, gui_ctl_idx choice )
{
gui_ctl_idx size;
lb_data old_data;
lb_data new_data;
gui_ctl_idx i;
size = GUIListSize( list );
if( choice >= size ) {
return( false );
}
new_data = (lb_data)GUIMemAlloc( sizeof( char * ) * size );
if( new_data == NULL ) {
return( false );
}
old_data = (lb_data)list->data_handle;
for( i = 0; i < choice; i++ ) {
new_data[i] = old_data[i];
}
GUIMemFree( (void *)old_data[choice] );
for( i = choice; i < size; i++ ) {
new_data[i] = old_data[i + 1];
}
GUIMemFree( (void *)old_data );
list->data_handle = (const void *)new_data;
if( choice >= GUIListSize( list ) ) {
list->choice = 0;
}
uiupdatelistbox( list );
return( true );
}
static lb_data ResizeList( a_list *list, unsigned num_to_add, gui_ctl_idx *choice )
{
gui_ctl_idx num;
lb_data old_data;
lb_data new_data;
if( list->get == NULL ) {
list->get = uigetlistelement;
}
num = GUIListSize( list );
new_data = (lb_data)GUIMemAlloc( ( num + num_to_add + 1 ) * sizeof( char * ) );
if( new_data == NULL ) {
return( NULL );
}
if( *choice == -1 ) {
*choice = num;
}
old_data = (lb_data)list->data_handle;
if( old_data != NULL ) {
memcpy( (void *)new_data, old_data, *choice * sizeof( char * ) );
memcpy( (void *)&new_data[*choice + num_to_add], &old_data[*choice], ( num - *choice ) * sizeof( char * ) );
}
new_data[num + num_to_add] = NULL;
return( new_data );
}
int GUIGetListSize( gui_window *wnd, unsigned id )
{
VFIELD *field;
a_list *list;
if( GetList( wnd, id, &field, &list ) ) {
return( GUIListSize( list ) );
}
return( 0 );
}
bool GUIListCurr( a_list *list, gui_ctl_idx choice, bool set, gui_ctl_idx *ret )
{
if( set ) {
/* set */
if( list->get == NULL ) {
list->get = uigetlistelement;
}
if( GUIListSize( list ) >= choice ) {
list->choice = choice;
uiupdatelistbox( list );
return( true );
} else {
return( false );
}
} else {
/* get */
*ret = list->choice;
return( true );
}
}
bool GUIListCurr( a_list *list, int choice, bool set, int *ret )
{
if( set ) {
/* set */
if( list->get == NULL ) {
list->get = ( bool (*) ( void *, unsigned, char *, unsigned ) )
uigetlistelement;
}
if( GUIListSize( list ) >= choice ) {
list->choice = choice;
uiupdatelistbox( list );
return( TRUE );
} else {
return( FALSE );
}
} else {
/* get */
*ret = list->choice;
return( TRUE );
}
}
void GUIFreeList( a_list *list, bool free_list )
{
gui_ctl_idx num;
gui_ctl_idx i;
lb_data data;
if( list->get == NULL ) {
list->get = uigetlistelement;
}
num = GUIListSize( list );
data = (lb_data)list->data_handle;
for( i = 0; i < num; i++ ) {
GUIMemFree( (void *)data[i] );
}
GUIMemFree( (void *)data );
list->choice = 0;
list->data_handle = NULL;
if( free_list ) {
GUIMemFree( list );
}
}
void GUIFreeList( a_list *list, bool free_list )
{
int num;
int i;
char ** data;
if( list->get == NULL ) {
list->get = ( bool (*) ( void *, unsigned, char *, unsigned ) )
uigetlistelement;
}
num = GUIListSize( list );
data = (char **)list->data;
for( i = 0; i < num; i++ ) {
GUIMemFree( data[i] );
}
GUIMemFree( data );
list->choice = 0;
list->data = NULL;
if( free_list ) {
GUIMemFree( list );
}
}
