4  *  formbox.c -- implements the form (i.e., some pairs label/editbox)
6  *  Copyright 2003-2020,2021	Thomas E. Dickey
45     return ((item->type & 2) != 0) || (item->text_flen <= 0);  in is_readonly()
51     return ((item->type & 1) != 0);  in is_hidden()
57     return (y >= scrollamt && y - scrollamt < getmaxy(win));  in in_window()
64 	&& (wmove(win, y - scrollamt, x) != ERR);  in ok_move()
71 	wmove(win, y, getmaxx(win) - 1);  in move_past()
80     int count = 0;  in print_item()  local
83     if (ok_move(win, scrollamt, item->name_y, item->name_x)) {  in print_item()
84 	len = item->name_len;  in print_item()
85 	len = MIN(len, getmaxx(win) - item->name_x);  in print_item()
88 			    item->name,  in print_item()
91 			    item->name_y - scrollamt,  in print_item()
92 			    item->name_x,  in print_item()
96 	    move_past(win, item->name_y - scrollamt, item->name_x + len);  in print_item()
97 	    count = 1;  in print_item()
100     if (item->text_len && ok_move(win, scrollamt, item->text_y, item->text_x)) {  in print_item()
103 	len = item->text_len;  in print_item()
104 	len = MIN(len, getmaxx(win) - item->text_x);  in print_item()
116 			    item->text,  in print_item()
119 			    item->text_y - scrollamt,  in print_item()
120 			    item->text_x,  in print_item()
124 	    move_past(win, item->text_y - scrollamt, item->text_x + len);  in print_item()
125 	    count = 1;  in print_item()
128     return count;  in print_item()
138     int count = 0;  in print_form()  local
141 	count += print_item(win, item + n, scrollamt, n == choice);  in print_form()
143     if (count) {  in print_form()
153     int result = -1;  in set_choice()
176  * Find the last y-value in the form.
195     int count = 0;  in is_first_field()  local
198 	    ++count;  in is_first_field()
200 	--choice;  in is_first_field()
203     return (count == 1);  in is_first_field()
209     int count = 0;  in is_last_field()  local
212 	    ++count;  in is_last_field()
217     return (count == 1);  in is_last_field()
239 		*choice = item_no - 1;  in tab_next()
255 	    if (*scrollamt < lo + 1 - getmaxy(win))  in tab_next()
256 		*scrollamt = lo + 1 - getmaxy(win);  in tab_next()
260 	     * If we have to scroll to show a wrap-around, it does get  in tab_next()
262 	     * next field in a multi-column form is a different matter.  Scroll  in tab_next()
272 		    wscrl(win, *scrollamt - old_scroll);  in tab_next()
285  * in that page.  Note that fields are not necessarily in top-to-bottom order,
317 		if (abs(new_row - target) < abs(old_row - target)) {  in scroll_next()
330 	    wscrl(win, *scrollamt - old_scroll);  in scroll_next()
346     return (item->text_flen > 0  in real_length()
347 	    ? item->text_flen  in real_length()
348 	    : (item->text_flen < 0  in real_length()
349 	       ? -item->text_flen  in real_length()
350 	       : item->text_len));  in real_length()
413 	int count = 0;  in dlg_default_formitem()  local
414 	while (items->name != 0) {  in dlg_default_formitem()
415 	    if (!strcmp(dialog_vars.default_item, items->name)) {  in dlg_default_formitem()
416 		result = count;  in dlg_default_formitem()
420 	    count++;  in dlg_default_formitem()
426 #define sTEXT -1
466 	 int width,  in dlg_form()  argument
472     /* *INDENT-OFF* */  in dlg_form()
488     /* *INDENT-ON* */  in dlg_form()
492     int old_width = width;  in dlg_form()
510     bool was_autosize = (height == 0 || width == 0);  in dlg_form()
526     DLG_TRACE2N("width", width);  in dlg_form()
542     dlg_auto_size(title, prompt, &height, &width,  in dlg_form()
550 	form_height = MIN(SLINES - height, form_height);  in dlg_form()
555 	dlg_auto_size(title, prompt, &thigh, &twide, 0, width);  in dlg_form()
556 	thigh = SLINES - (height - (thigh + 1 + 3 * MARGIN));  in dlg_form()
560     dlg_print_size(height, width);  in dlg_form()
561     dlg_ctl_size(height, width);  in dlg_form()
563     x = dlg_box_x_ordinate(width);  in dlg_form()
566     dialog = dlg_new_window(height, width, y, x);  in dlg_form()
572     dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);  in dlg_form()
577     dlg_print_autowrap(dialog, prompt, height, width);  in dlg_form()
579     form_width = width - 6;  in dlg_form()
583     box_x = (width - form_width) / 2 - 1;  in dlg_form()
595     dlg_mouse_mkbigregion(getbegy(form) - getbegy(dialog),  in dlg_form()
596 			  getbegx(form) - getbegx(dialog),  in dlg_form()
631 	    dlg_draw_buttons(dialog, height - 2, 0, buttons,  in dlg_form()
635 			     FALSE, width);  in dlg_form()
648 	    dialog_vars.max_input = current->text_ilen;  in dlg_form()
649 	    dlg_item_help(current->help);  in dlg_form()
650 	    dlg_show_string(form, current->text, chr_offset,  in dlg_form()
652 			    current->text_y - scrollamt,  in dlg_form()
653 			    current->text_x,  in dlg_form()
654 			    current->text_len,  in dlg_form()
666 	/* handle non-functionkeys */  in dlg_form()
688 		move_by = -form_height;  in dlg_form()
714 		    move_by = -1;  in dlg_form()
725 		    move_by = -1;  in dlg_form()
732 			new_choice = item_no - 1;  in dlg_form()
787 		width = old_width;  in dlg_form()
798 			int cell = key - DLGK_MOUSE(KEY_MAX);  in dlg_form()
829 		    } else if ((code = dlg_ok_buttoncode(key - M_EVENT)) >= 0) {  in dlg_form()
870 		edit = dlg_edit_string(current->text, &chr_offset, key,  in dlg_form()
873 		dlg_show_string(form, current->text, chr_offset,  in dlg_form()
875 				current->text_y - scrollamt,  in dlg_form()
876 				current->text_x,  in dlg_form()
877 				current->text_len,  in dlg_form()
920 	--result;  in dlg_ordinate()
930 	    int width,  in dialog_form()  argument
969 		      width,  in dialog_form()
995 	dlg_add_last_key(-1);  in dialog_form()