2  *  $Id: treeview.c,v 1.43 2020/11/23 00:38:31 tom Exp $
4  *  treeview.c -- implements the treeview dialog
6  *  Copyright 2012-2019,2020	Thomas E. Dickey
31     /* the outer-window */
40     /* the inner-window */
45     const char *states;  member
55 	   const char *states,  in print_item()  argument
60     WINDOW *win = data->list;  in print_item()
64     int climit = (getmaxx(win) - data->check_x + 1);  in print_item()
66 			? item->name  in print_item()
67 			: item->text);  in print_item()
72     for (i = 0; i < data->use_width; i++)  in print_item()
75     (void) wmove(win, choice, data->check_x);  in print_item()
78 		   data->is_check ? "[%c]" : "(%c)",  in print_item()
79 		   states[item->state]);  in print_item()
85 	(void) wmove(win, choice, data->item_x + INDENT * i);  in print_item()
87 	for (j = INDENT - 1; j > 0; --j)  in print_item()
90     (void) wmove(win, choice, data->item_x + INDENT * depths);  in print_item()
95 	dlg_item_help(item->help);  in print_item()
109     getyx(data->dialog, cur_y, cur_x);  in print_list()
113 		   &data->items[scrollamt + i],  in print_list()
114 		   data->states,  in print_list()
115 		   data->depths[scrollamt + i],  in print_list()
118     (void) wnoutrefresh(data->list);  in print_list()
120     dlg_draw_scrollbar(data->dialog,  in print_list()
124 		       (long) (data->item_no),  in print_list()
125 		       data->box_x + data->check_x,  in print_list()
126 		       data->box_x + data->use_width,  in print_list()
127 		       data->box_y,  in print_list()
128 		       data->box_y + data->use_height + 1,  in print_list()
132     (void) wmove(data->dialog, cur_y, cur_x);  in print_list()
151  * to read the list item states back directly without putting them in the
162 	     const char *states,  in dlg_treeview()  argument
167     /* *INDENT-OFF* */  in dlg_treeview()
181 	DLG_KEYS_DATA( DLGK_ITEM_PREV,	'-' ),  in dlg_treeview()
191     /* *INDENT-ON* */  in dlg_treeview()
200     int button = dialog_state.visit_items ? -1 : dlg_default_button();  in dlg_treeview()
213     /* we need at least two states */  in dlg_treeview()
214     if (states == 0 || strlen(states) < 2)  in dlg_treeview()
215 	states = " *";  in dlg_treeview()
216     num_states = (int) strlen(states);  in dlg_treeview()
223     all.states = states;  in dlg_treeview()
284     all.use_width = width - 4;  in dlg_treeview()
287     box_x = (width - all.use_width) / 2 - 1;  in dlg_treeview()
291      * Limit the list to avoid overwriting the ok-button.  in dlg_treeview()
293     use_height = height - MIN_HIGH - cur_y;  in dlg_treeview()
326     use_width = (all.use_width - 4);  in dlg_treeview()
329     all.check_x = (use_width - tree_width) / 2;  in dlg_treeview()
339 	scrollamt = choice - max_choice + 1;  in dlg_treeview()
340 	choice = max_choice - 1;  in dlg_treeview()
355     dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);  in dlg_treeview()
362 	if (button < 0)		/* --visit-items */  in dlg_treeview()
373 	    key -= M_EVENT;  in dlg_treeview()
376 	    i = (key - KEY_MAX);  in dlg_treeview()
378 		choice = (key - KEY_MAX);  in dlg_treeview()
430 			i = j - scrollamt;  in dlg_treeview()
438 			    i = j - scrollamt;  in dlg_treeview()
453 	 * A single digit (1-9) positions the selection to that line in the  in dlg_treeview()
459 	    && (key - '1' < max_choice)) {  in dlg_treeview()
461 	    i = key - '1';  in dlg_treeview()
469 		    i = -scrollamt;  in dlg_treeview()
472 		    i = item_no - 1 - scrollamt;  in dlg_treeview()
478 			i = -MIN(scrollamt, max_choice);  in dlg_treeview()
483 		    i = MIN(choice + max_choice, item_no - scrollamt - 1);  in dlg_treeview()
486 		    i = choice - 1;  in dlg_treeview()
492 		    if (scrollamt + choice >= item_no - 1)  in dlg_treeview()
509 			choice = max_choice - 1;  in dlg_treeview()
510 			scrollamt += (i - max_choice + 1);  in dlg_treeview()
531 		dlg_draw_buttons(dialog, height - 2, 0, buttons, button,  in dlg_treeview()
536 		dlg_draw_buttons(dialog, height - 2, 0, buttons, button,  in dlg_treeview()