static void enter_field( a_dialog *ui_dlg_info, VFIELD *field ) { an_edit_control *edit; a_combo_box *combo; a_list *list; SAREA area; if( field == NULL ) return; area = field->area; switch( field->typ ) { case FLD_EDIT : case FLD_INVISIBLE_EDIT : case FLD_COMBOBOX : if( field->typ == FLD_COMBOBOX ) { combo = field->u.combo; edit = &combo->edit; } else { edit = field->u.edit; } if( ui_dlg_info->edit_data == NULL ) { ui_dlg_info->edit_data = uibegedit( ui_dlg_info->vs, area.row, area.col, area.width, UIData->attrs[ATTR_CURR_EDIT], edit->buffer, edit->length, 0, 0, true, 0, field->typ == FLD_INVISIBLE_EDIT ); } break; case FLD_LISTBOX : list = field->u.list; list->box->attr = ATTR_CURR_EDIT; uipaintlistbox( list ); break; case FLD_EDIT_MLE : list = field->u.list; list->box->attr = ATTR_NORMAL; uipaintlistbox( list ); break; } }
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 ); }
void uiupdatelistbox( a_list *list ) { int maxline; if( list->box == NULL ) { return; } maxline = uilistsize( list ); list->box->row = list->choice; list->box->gadget.total_size = maxline; if( list->box->gadget.total_size < (int)list->box->area.height ) list->box->gadget.total_size = (int)list->box->area.height; uisetgadget( &list->box->gadget, list->choice ); setstartline( list ); if( selectoutofrange( list->box ) ) { list->box->line = list->box->row; } setstartline( list ); uidrawgadget( &list->box->gadget ); uipaintlistbox( list ); }
static bool exit_field( a_dialog *info, VFIELD *field ) { bool flag; an_edit_control *edit; a_list *list; a_combo_box *combo; flag = FALSE; if( field != NULL ) { switch( field->typ ) { case FLD_EDIT : case FLD_INVISIBLE_EDIT: if( info->edit_data != NULL ) { edit = field->ptr; if( uieditisdirty() ) { flag = TRUE; } uiedittrim( info->edit_data->edit_buffer ); edit->buffer = info->edit_data->edit_buffer; edit->length = info->edit_data->edit_eline.length; uiendedit(); info->edit_data = NULL; } uinocursor( info->vs ); break; case FLD_COMBOBOX : combo = field->ptr; list = &combo->list; edit = &combo->edit; if( !combo->perm ) { uiendlistbox( list ); // Shut down listbox } if( info->edit_data != NULL ) { if( uieditisdirty() ) { flag = TRUE; } uiedittrim( info->edit_data->edit_buffer ); edit->buffer = info->edit_data->edit_buffer; edit->length = info->edit_data->edit_eline.length; uiendedit(); info->edit_data = NULL; } uinocursor( info->vs ); break; case FLD_PULLDOWN : list = field->ptr; uiendlistbox( list ); break; case FLD_LISTBOX : list = field->ptr; list->box->attr = ATTR_EDIT; uipaintlistbox( list ); break; case FLD_EDIT_MLE : list = field->ptr; list->box->attr = ATTR_NORMAL; uipaintlistbox( list ); break; } } return( flag ); }
EVENT uilistbox( EVENT ev, a_list *list, bool permanent ) { int listsize; int maxline; int newevent; a_list_info *box; int old_line; ORD old_row; bool close; if( Dclick ) { switch( ev ) { case EV_MOUSE_PRESS : Dclick = FALSE; /* must have gotten dlick without release */ /* fall through */ case EV_SCROLL_LINE_UP : case EV_SCROLL_LINE_DOWN : case EV_SCROLL_PAGE_UP : case EV_SCROLL_PAGE_DOWN : case EV_PAGE_UP : case EV_PAGE_DOWN : case EV_CURSOR_UP : case EV_CURSOR_DOWN : SelStart = FALSE; break; case EV_MOUSE_RELEASE : Dclick = FALSE; /* fall through */ default : return( ev ); } } close = FALSE; box = list->box; old_line = box->line; old_row = box->row; listsize = uilistsize( list ); if( listsize > box->area.height ) { maxline = listsize - box->area.height; } else { maxline = 0; } if( maxline > 0 ) { ev = uigadgetfilter( ev, &box->gadget ); } newevent = EV_NO_EVENT; switch( ev ) { case EV_MOUSE_DCLICK: Dclick = TRUE; case EV_MOUSE_PRESS: case EV_MOUSE_RELEASE: case EV_MOUSE_REPEAT: case EV_MOUSE_DRAG: { int row, col, mpos; mpos = getmouseregion( list, &row, &col ); newevent = ev; if( mpos == R_SEL ) { SelStart = TRUE; box->row = (ORD) row - box->area.row; box->row += box->line; } if( ev == EV_MOUSE_RELEASE ) { if( mpos == R_SEL ) { list->choice = list->box->row; newevent = EV_LIST_BOX_CHANGED; } if( SelStart ) { close = TRUE; SelStart = FALSE; } } else if( ev == EV_MOUSE_PRESS || ev == EV_MOUSE_DCLICK ) { if( mpos == R_SEL ) { if( ev == EV_MOUSE_DCLICK ) { newevent = EV_LIST_BOX_DCLICK; } } else { close = TRUE; } } else if( mpos == R_UP && box->line > 0 && SelStart ) { box->line--; box->row--; } else if( mpos == R_DOWN && box->line < maxline ) { box->line++; box->row++; } } break; case EV_CURSOR_UP : if( box->row > 0 ) { if( box->row == box->line ) { box->line--; } box->row--; list->choice = box->row; newevent = EV_LIST_BOX_CHANGED; } if( selectoutofrange( box ) ) { box->line = box->row; setstartline( list ); } break; case EV_SCROLL_LINE_UP : if( box->line > 0 ) { box->line--; } break; case EV_CURSOR_DOWN : if( box->row < listsize - 1 ) { if( box->row - box->line == box->area.height - 1 && box->line < maxline ) { ++box->line; } ++box->row; list->choice = box->row; newevent = EV_LIST_BOX_CHANGED; } if( selectoutofrange( box ) ) { box->line = box->row; setstartline( list ); } break; case EV_SCROLL_LINE_DOWN : if( box->line < maxline ) { box->line++; } break; case EV_PAGE_UP : if( box->row == box->line ) { if( box->line < ( box->area.height - 1 ) ) { box->line = 0; } else { box->line -= ( box->area.height - 1 ); } box->row -= old_line - box->line; } else { box->row = box->line; } if( box->row != old_row ) { list->choice = box->row; newevent = EV_LIST_BOX_CHANGED; } break; case EV_SCROLL_PAGE_UP : if( box->line < box->area.height ) { box->line = 0; } else { box->line -= box->area.height; } break; case EV_PAGE_DOWN : if( box->row == ( box->line + box->area.height - 1 ) ) { box->line += box->area.height - 1; if( box->line > maxline ) { box->line = maxline; } box->row += ( box->line - old_line ); } else { box->row = box->line + box->area.height - 1; } if( box->row != old_row ) { list->choice = box->row; newevent = EV_LIST_BOX_CHANGED; } break; case EV_SCROLL_PAGE_DOWN : box->line += box->area.height; if( box->line > maxline ) { box->line = maxline; } break; case EV_SCROLL_VERTICAL : box->line = box->gadget.pos; break; case EV_ALT_CURSOR_UP : close = TRUE; break; default : if( isalpha( ev ) ) { newevent = charselect( ev, list ); } else { newevent = ev; } break; } if( ( old_line != box->line ) && ( maxline > 0 ) ) { uisetgadget( &box->gadget, box->line ); } if( box->line != old_line || box->row != old_row ) { uipaintlistbox( list ); } if( !permanent && close ) { uiendlistbox( list ); newevent = EV_LIST_BOX_CLOSED; } return( newevent ); }