void ui_playlist_widget_update (GtkWidget * widget, int type, int at,
int count)
{
PlaylistWidgetData * data = audgui_list_get_user (widget);
g_return_if_fail (data);
if (type == PLAYLIST_UPDATE_STRUCTURE)
{
int old_entries = audgui_list_row_count (widget);
int entries = aud_playlist_entry_count (data->list);
audgui_list_delete_rows (widget, at, old_entries - (entries - count));
audgui_list_insert_rows (widget, at, count);
/* scroll to end of playlist if entries were added there
(but not if a newly added entry is playing) */
if (entries > old_entries && at + count == entries &&
aud_playlist_get_focus (data->list) < old_entries)
aud_playlist_set_focus (data->list, entries - 1);
ui_playlist_widget_scroll (widget);
}
else if (type == PLAYLIST_UPDATE_METADATA)
audgui_list_update_rows (widget, at, count);
audgui_list_update_selection (widget, at, count);
audgui_list_set_focus (widget, aud_playlist_get_focus (data->list));
update_queue (widget, data);
}
void ui_playlist_widget_update (GtkWidget * widget, gint type, gint at,
gint count)
{
PlaylistWidgetData * data = audgui_list_get_user (widget);
g_return_if_fail (data);
if (type >= PLAYLIST_UPDATE_STRUCTURE)
{
gint diff = aud_playlist_entry_count (data->list) -
audgui_list_row_count (widget);
if (diff > 0)
audgui_list_insert_rows (widget, at, diff);
else if (diff < 0)
audgui_list_delete_rows (widget, at, -diff);
ui_playlist_widget_scroll (widget);
}
if (type >= PLAYLIST_UPDATE_METADATA)
audgui_list_update_rows (widget, at, count);
audgui_list_update_selection (widget, at, count);
audgui_list_set_focus (widget, aud_playlist_get_focus (data->list));
update_queue (widget, data);
}
static gint adjust_position (PlaylistData * data, gboolean relative, gint
position)
{
if (active_length == 0)
return -1;
if (relative)
{
gint focus = aud_playlist_get_focus (active_playlist);
if (focus == -1)
return 0;
position += focus;
}
if (position < 0)
return 0;
if (position >= active_length)
return active_length - 1;
return position;
}