2 * Copyright (C) 2013 IBM Corporation
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 #if defined(HAVE_CONFIG_H)
22 #include <linux/input.h> /* This must be included before ncurses.h */
23 #if defined HAVE_NCURSESW_CURSES_H
24 # include <ncursesw/curses.h>
25 #elif defined HAVE_NCURSESW_H
26 # include <ncursesw.h>
27 #elif defined HAVE_NCURSES_CURSES_H
28 # include <ncurses/curses.h>
29 #elif defined HAVE_NCURSES_H
31 #elif defined HAVE_CURSES_H
34 # error "Curses header file not found."
37 #if defined HAVE_NCURSESW_FORM_H
38 # include <ncursesw/form.h>
39 #elif defined HAVE_NCURSES_FORM_H
40 # include <ncurses/form.h>
41 #elif defined HAVE_FORM_H
44 # error "Curses form.h not found."
50 #include <talloc/talloc.h>
51 #include <types/types.h>
53 #include <util/util.h>
54 #include <i18n/i18n.h>
55 #include <fold/fold.h>
58 #include "nc-widgets.h"
62 #define to_checkbox(w) container_of(w, struct nc_widget_checkbox, widget)
63 #define to_textbox(w) container_of(w, struct nc_widget_textbox, widget)
64 #define to_button(w) container_of(w, struct nc_widget_button, widget)
65 #define to_select(w) container_of(w, struct nc_widget_select, widget)
66 #define to_subset(w) container_of(w, struct nc_widget_subset, widget)
68 static const char *checkbox_checked_str = "[*]";
69 static const char *checkbox_unchecked_str = "[ ]";
71 static const char *select_selected_str = "(*)";
72 static const char *select_unselected_str = "( )";
79 int n_fields, n_alloc_fields;
80 void (*widget_focus)(struct nc_widget *, void *);
81 void *widget_focus_arg;
84 /* custom validators */
85 FIELDTYPE *ipv4_multi_type;
90 bool (*process_key)(struct nc_widget *, FORM *, int);
91 void (*set_visible)(struct nc_widget *, bool);
92 void (*move)(struct nc_widget *, int, int);
93 void (*field_focus)(struct nc_widget *, FIELD *);
103 struct nc_widget_label {
104 struct nc_widget widget;
108 struct nc_widget_checkbox {
109 struct nc_widget widget;
113 struct nc_widget_textbox {
114 struct nc_widgetset *set;
115 struct nc_widget widget;
118 struct nc_widget_subset {
119 struct nc_widget widget;
122 struct subset_option {
129 struct nc_widgetset *set;
130 void (*on_change)(void *, int);
132 void (*screen_cb)(void *,
133 struct nc_widget_subset *, int);
136 struct nc_widget_select {
137 struct nc_widget widget;
138 struct select_option {
145 int n_options, selected_option;
146 struct nc_widgetset *set;
147 void (*on_change)(void *, int);
151 struct nc_widget_button {
152 struct nc_widget widget;
153 void (*click)(void *arg);
157 static void widgetset_add_field(struct nc_widgetset *set, FIELD *field);
158 static void widgetset_remove_field(struct nc_widgetset *set, FIELD *field);
160 static bool key_is_select(int key)
162 return key == ' ' || key == '\r' || key == '\n' || key == KEY_ENTER;
165 static bool process_key_nop(struct nc_widget *widget __attribute__((unused)),
166 FORM *form __attribute((unused)),
167 int key __attribute__((unused)))
172 static void field_set_visible(FIELD *field, bool visible)
174 int opts = field_opts(field) & ~O_VISIBLE;
177 set_field_opts(field, opts);
180 static bool field_visible(FIELD *field)
182 return (field_opts(field) & O_VISIBLE) == O_VISIBLE;
185 static void field_move(FIELD *field, int y, int x)
187 move_field(field, y, x);
190 static int label_destructor(void *ptr)
192 struct nc_widget_label *label = ptr;
193 free_field(label->widget.field);
198 struct nc_widget_label *widget_new_label(struct nc_widgetset *set,
199 int y, int x, char *str)
201 struct nc_widget_label *label;
207 label = talloc_zero(set, struct nc_widget_label);
208 label->widget.height = 1;
209 label->widget.width = len;
212 label->widget.process_key = process_key_nop;
213 label->widget.field = f = new_field(1, len, y, x, 0, 0);
214 label->widget.focussed_attr = A_NORMAL;
215 label->widget.unfocussed_attr = A_NORMAL;
217 field_opts_off(f, O_ACTIVE);
218 set_field_buffer(f, 0, str);
219 set_field_userptr(f, &label->widget);
221 widgetset_add_field(set, label->widget.field);
222 talloc_set_destructor(label, label_destructor);
227 bool widget_checkbox_get_value(struct nc_widget_checkbox *checkbox)
229 return checkbox->checked;
232 static void checkbox_set_buffer(struct nc_widget_checkbox *checkbox)
235 str = checkbox->checked ? checkbox_checked_str : checkbox_unchecked_str;
236 set_field_buffer(checkbox->widget.field, 0, str);
239 static bool checkbox_process_key(struct nc_widget *widget,
240 FORM *form __attribute__((unused)), int key)
242 struct nc_widget_checkbox *checkbox = to_checkbox(widget);
244 if (!key_is_select(key))
247 checkbox->checked = !checkbox->checked;
248 checkbox_set_buffer(checkbox);
253 static int checkbox_destructor(void *ptr)
255 struct nc_widget_checkbox *checkbox = ptr;
256 free_field(checkbox->widget.field);
260 struct nc_widget_checkbox *widget_new_checkbox(struct nc_widgetset *set,
261 int y, int x, bool checked)
263 struct nc_widget_checkbox *checkbox;
266 checkbox = talloc_zero(set, struct nc_widget_checkbox);
267 checkbox->checked = checked;
268 checkbox->widget.height = 1;
269 checkbox->widget.width = strlen(checkbox_checked_str);
270 checkbox->widget.x = x;
271 checkbox->widget.y = y;
272 checkbox->widget.process_key = checkbox_process_key;
273 checkbox->widget.focussed_attr = A_REVERSE;
274 checkbox->widget.unfocussed_attr = A_NORMAL;
275 checkbox->widget.field = f = new_field(1, strlen(checkbox_checked_str),
278 field_opts_off(f, O_EDIT);
279 set_field_userptr(f, &checkbox->widget);
280 checkbox_set_buffer(checkbox);
282 widgetset_add_field(set, checkbox->widget.field);
283 talloc_set_destructor(checkbox, checkbox_destructor);
288 static char *strip_string(char *str)
294 /* clear trailing space */
295 for (i = len - 1; i >= 0; i--) {
296 if (!isspace(str[i]))
301 /* increment str past leading space */
302 for (i = 0; i < len; i++) {
303 if (str[i] == '\0' || !isspace(str[i]))
310 char *widget_textbox_get_value(struct nc_widget_textbox *textbox)
312 char *str = field_buffer(textbox->widget.field, 0);
313 return str ? strip_string(str) : NULL;
316 static bool textbox_process_key(
317 struct nc_widget *widget __attribute__((unused)),
322 form_driver(form, REQ_BEG_FIELD);
325 form_driver(form, REQ_END_FIELD);
328 form_driver(form, REQ_LEFT_CHAR);
331 form_driver(form, REQ_RIGHT_CHAR);
334 if (form_driver(form, REQ_LEFT_CHAR) != E_OK)
338 form_driver(form, REQ_DEL_CHAR);
341 form_driver(form, key);
348 static int textbox_destructor(void *ptr)
350 struct nc_widget_textbox *textbox = ptr;
351 free_field(textbox->widget.field);
355 struct nc_widget_textbox *widget_new_textbox(struct nc_widgetset *set,
356 int y, int x, int len, char *str)
358 struct nc_widget_textbox *textbox;
361 textbox = talloc_zero(set, struct nc_widget_textbox);
363 textbox->widget.height = 1;
364 textbox->widget.width = len;
365 textbox->widget.x = x;
366 textbox->widget.y = y;
367 textbox->widget.process_key = textbox_process_key;
368 textbox->widget.field = f = new_field(1, len, y, x, 0, 0);
369 textbox->widget.focussed_attr = A_REVERSE;
370 textbox->widget.unfocussed_attr = A_UNDERLINE;
372 field_opts_off(f, O_STATIC | O_WRAP | O_BLANK);
373 set_field_buffer(f, 0, str);
374 set_field_back(f, textbox->widget.unfocussed_attr);
375 set_field_userptr(f, &textbox->widget);
377 widgetset_add_field(set, textbox->widget.field);
378 talloc_set_destructor(textbox, textbox_destructor);
383 void widget_textbox_set_fixed_size(struct nc_widget_textbox *textbox)
385 field_opts_on(textbox->widget.field, O_STATIC);
388 void widget_textbox_set_validator_integer(struct nc_widget_textbox *textbox,
391 set_field_type(textbox->widget.field, TYPE_INTEGER, 1, min, max);
394 void widget_textbox_set_validator_ipv4(struct nc_widget_textbox *textbox)
396 set_field_type(textbox->widget.field, TYPE_IPV4);
399 static bool check_ipv4_multi_char(int c,
400 const void *arg __attribute__((unused)))
402 return isdigit(c) || c == '.' || c == ' ';
405 static bool check_ipv4_multi_field(FIELD *field,
406 const void *arg __attribute__((unused)))
408 char *buf = field_buffer(field, 0);
412 while (*buf != '\0') {
413 n = sscanf(buf, "%u.%u.%u.%u%n",
414 &ip[0], &ip[1], &ip[2], &ip[3], &len);
418 if (ip[0] > 255 || ip[1] > 255 || ip[2] > 255 || ip[3] > 255)
421 for (buf += len; *buf != '\0'; buf++) {
424 else if (isdigit(*buf))
434 void widget_textbox_set_validator_ipv4_multi(struct nc_widget_textbox *textbox)
436 if (!textbox->set->ipv4_multi_type) {
437 textbox->set->ipv4_multi_type = new_fieldtype(
438 check_ipv4_multi_field,
439 check_ipv4_multi_char);
441 set_field_type(textbox->widget.field, textbox->set->ipv4_multi_type);
444 static void subset_update_order(struct nc_widget_subset *subset)
449 for (i = 0; i < subset->n_active; i++) {
450 val = subset->active[i];
451 str = talloc_asprintf(subset, "(%d) %s",
452 i, subset->options[val].str);
453 set_field_buffer(subset->options[val].field, 0,
459 static void widget_focus_change(struct nc_widget *widget, FIELD *field,
462 static void subset_delete_active(struct nc_widget_subset *subset, int idx)
464 bool last = idx == (subset->n_active - 1);
465 struct nc_widgetset *set = subset->set;
466 struct nc_widget *widget;
470 /* Shift field focus to nearest active option or next visible field */
471 if (subset->n_active > 1) {
473 val = subset->active[idx - 1];
475 val = subset->active[idx + 1];
476 set->cur_field = subset->options[val].field;
478 for (i = 0; i < set->n_fields; i++)
479 if (field_visible(set->fields[i])) {
480 set->cur_field = set->fields[i];
485 set_current_field(set->form, set->cur_field);
486 widget = field_userptr(set->cur_field);
487 widget_focus_change(widget, set->cur_field, true);
488 if (set->widget_focus)
489 set->widget_focus(widget, set->widget_focus_arg);
491 /* Update active array */
492 rem = sizeof(int) * (subset->n_active - idx - 1);
493 val = subset->active[idx];
494 field_set_visible(subset->options[val].field, false);
496 memmove(&subset->active[idx], &subset->active[idx + 1], rem);
498 subset->active = talloc_realloc(subset, subset->active,
499 int, subset->n_active);
501 subset->widget.height = subset->n_active;
504 static bool subset_process_key(struct nc_widget *w, FORM *form, int key)
506 struct nc_widget_subset *subset = to_subset(w);
507 int i, val, opt_idx = -1;
510 if (key != '-' && key != '+' && key != KEY_DC && key != KEY_BACKSPACE)
513 field = current_field(form);
515 for (i = 0; i < subset->n_active; i++) {
516 val = subset->active[i];
517 if (subset->options[val].field == field) {
526 if (key == KEY_DC || key == KEY_BACKSPACE)
527 subset_delete_active(subset, opt_idx);
533 val = subset->active[opt_idx];
534 subset->active[opt_idx] = subset->active[opt_idx - 1];
535 subset->active[opt_idx - 1] = val;
539 if (opt_idx >= subset->n_active - 1)
542 val = subset->active[opt_idx];
543 subset->active[opt_idx] = subset->active[opt_idx + 1];
544 subset->active[opt_idx + 1] = val;
547 subset_update_order(subset);
549 if (subset->on_change)
550 subset->on_change(subset->on_change_arg, 0);
555 static void subset_set_visible(struct nc_widget *widget, bool visible)
557 struct nc_widget_subset *subset = to_subset(widget);
560 for (i = 0; i < subset->n_active; i++) {
561 val = subset->active[i];
562 field_set_visible(subset->options[val].field, visible);
566 static void subset_move(struct nc_widget *widget, int y, int x)
568 struct nc_widget_subset *subset = to_subset(widget);
571 for (i = 0; i < subset->n_active; i++) {
572 val = subset->active[i];
573 field_move(subset->options[val].field, y + i , x);
577 static void subset_field_focus(struct nc_widget *widget, FIELD *field)
579 struct nc_widget_subset *subset = to_subset(widget);
582 for (i = 0; i < subset->n_active; i++) {
583 val = subset->active[i];
584 if (field == subset->options[val].field) {
591 static int subset_destructor(void *ptr)
593 struct nc_widget_subset *subset = ptr;
596 for (i = 0; i < subset->n_options; i++)
597 free_field(subset->options[i].field);
602 struct nc_widget_subset *widget_new_subset(struct nc_widgetset *set,
603 int y, int x, int len, void *screen_cb)
605 struct nc_widget_subset *subset;
607 subset = talloc_zero(set, struct nc_widget_subset);
608 subset->widget.width = len;
609 subset->widget.height = 0;
610 subset->widget.x = x;
611 subset->widget.y = y;
612 subset->widget.process_key = subset_process_key;
613 subset->widget.set_visible = subset_set_visible;
614 subset->widget.move = subset_move;
615 subset->widget.field_focus = subset_field_focus;
616 subset->widget.focussed_attr = A_REVERSE;
617 subset->widget.unfocussed_attr = A_NORMAL;
622 subset->n_active = subset->n_options = 0;
623 subset->active = NULL;
624 subset->options = NULL;
625 subset->screen_cb = screen_cb;
627 talloc_set_destructor(subset, subset_destructor);
632 void widget_subset_add_option(struct nc_widget_subset *subset, const char *text)
637 i = subset->n_options++;
638 subset->options = talloc_realloc(subset, subset->options,
639 struct subset_option, i + 1);
641 subset->options[i].str = talloc_strdup(subset->options, text);
643 subset->options[i].field = f = new_field(1, subset->size, subset->top + i,
646 field_opts_off(f, O_WRAP | O_EDIT);
647 set_field_userptr(f, &subset->widget);
648 set_field_buffer(f, 0, subset->options[i].str);
649 field_set_visible(f, false);
650 widgetset_add_field(subset->set, f);
653 void widget_subset_make_active(struct nc_widget_subset *subset, int idx)
657 for (i = 0; i < subset->n_active; i++)
658 if (subset->active[i] == idx) {
659 pb_debug("%s: Index %d already active\n", __func__, idx);
663 i = subset->n_active++;
664 subset->widget.height = subset->n_active;
665 subset->active = talloc_realloc(subset, subset->active,
667 subset->active[i] = idx;
669 subset_update_order(subset);
672 int widget_subset_get_order(void *ctx, unsigned int **order,
673 struct nc_widget_subset *subset)
675 unsigned int *buf = talloc_array(ctx, unsigned int, subset->n_active);
678 for (i = 0; i < subset->n_active; i++)
679 buf[i] = subset->active[i];
685 void widget_subset_show_inactive(struct nc_widget_subset *subset,
686 struct nc_widget_select *select)
688 bool active = false, first = true;
691 for (i = 0; i < subset->n_options; i++) {
693 for (j = 0; j < subset->n_active; j++)
694 if (subset->active[j] == i)
700 widget_select_add_option(select, i,
701 subset->options[i].str, first);
707 int widget_subset_n_inactive(struct nc_widget_subset *subset)
709 return subset->n_options - subset->n_active;
712 int widget_subset_height(struct nc_widget_subset *subset)
714 return subset->n_active;
717 void widget_subset_on_change(struct nc_widget_subset *subset,
718 void (*on_change)(void *, int), void *arg)
720 subset->on_change = on_change;
721 subset->on_change_arg = arg;
724 void widget_subset_drop_options(struct nc_widget_subset *subset)
726 struct nc_widgetset *set = subset->set;
729 for (i = 0; i < subset->n_options; i++) {
730 FIELD *field = subset->options[i].field;
731 widgetset_remove_field(set, field);
732 if (field == set->cur_field)
733 set->cur_field = NULL;
734 free_field(subset->options[i].field);
737 talloc_free(subset->options);
738 talloc_free(subset->active);
739 subset->options = NULL;
740 subset->active = NULL;
741 subset->n_options = 0;
742 subset->n_active = 0;
743 subset->widget.height = 0;
744 subset->widget.focus_y = 0;
747 void widget_subset_clear_active(struct nc_widget_subset *subset)
751 for (i = 0; i < subset->n_options; i++)
752 field_set_visible(subset->options[i].field, false);
754 talloc_free(subset->active);
755 subset->active = NULL;
756 subset->n_active = 0;
757 subset->widget.height = 0;
758 subset->widget.focus_y = 0;
761 void widget_subset_callback(void *arg,
762 struct nc_widget_subset *subset, int idx)
764 subset->screen_cb(arg, subset, idx);
767 static void select_option_change(struct select_option *opt, bool selected)
771 str = selected ? select_selected_str : select_unselected_str;
773 memcpy(opt->str, str, strlen(str));
774 set_field_buffer(opt->field, 0, opt->str);
777 static bool select_process_key(struct nc_widget *w, FORM *form, int key)
779 struct nc_widget_select *select = to_select(w);
780 struct select_option *new_opt, *old_opt;
784 if (!key_is_select(key))
787 field = current_field(form);
790 for (i = 0; i < select->n_options; i++) {
791 if (select->options[i].field == field) {
792 new_opt = &select->options[i];
801 if (new_idx == select->selected_option)
804 old_opt = &select->options[select->selected_option];
806 select_option_change(old_opt, false);
807 select_option_change(new_opt, true);
809 select->selected_option = new_idx;
811 if (select->on_change)
812 select->on_change(select->on_change_arg, new_opt->val);
817 static void select_set_visible(struct nc_widget *widget, bool visible)
819 struct nc_widget_select *select = to_select(widget);
822 for (i = 0; i < select->n_options; i++)
823 field_set_visible(select->options[i].field, visible);
826 static void select_move(struct nc_widget *widget, int y, int x)
828 struct nc_widget_select *select = to_select(widget);
831 for (i = 0; i < select->n_options; i++) {
832 field_move(select->options[i].field, y + cur, x);
833 cur += select->options[i].lines;
837 static void select_field_focus(struct nc_widget *widget, FIELD *field)
839 struct nc_widget_select *select = to_select(widget);
842 for (i = 0; i < select->n_options; i++) {
843 if (field != select->options[i].field) {
844 cur += select->options[i].lines;
847 widget->focus_y = cur;
852 static int select_destructor(void *ptr)
854 struct nc_widget_select *select = ptr;
857 for (i = 0; i < select->n_options; i++)
858 free_field(select->options[i].field);
863 struct nc_widget_select *widget_new_select(struct nc_widgetset *set,
864 int y, int x, int len)
866 struct nc_widget_select *select;
868 select = talloc_zero(set, struct nc_widget_select);
869 select->widget.width = len;
870 select->widget.height = 0;
871 select->widget.x = x;
872 select->widget.y = y;
873 select->widget.process_key = select_process_key;
874 select->widget.set_visible = select_set_visible;
875 select->widget.move = select_move;
876 select->widget.field_focus = select_field_focus;
877 select->widget.focussed_attr = A_REVERSE;
878 select->widget.unfocussed_attr = A_NORMAL;
884 talloc_set_destructor(select, select_destructor);
889 static int widget_select_fold_cb(void *arg, const char *buf, int len)
891 struct nc_widget_select *select = arg;
892 char *line, *newstr, *padbuf = NULL;
898 line = talloc_strndup(select->options, buf, len);
900 i = select->n_options - 1;
901 pad = max(0, select->widget.width - strncols(line));
904 padbuf = talloc_array(select->options, char, pad + 1);
905 memset(padbuf, ' ', pad);
909 if (select->options[i].str)
910 newstr = talloc_asprintf_append(select->options[i].str,
914 newstr = talloc_asprintf(select->options, "%s%s", line,
917 select->options[i].str = newstr;
918 select->options[i].lines++;
925 void widget_select_add_option(struct nc_widget_select *select, int value,
926 const char *text, bool selected)
933 /* if we never see an option with selected set, we want the first
934 * one to be selected */
935 if (select->n_options == 0)
938 select_option_change(&select->options[select->selected_option],
942 select->selected_option = select->n_options;
943 str = select_selected_str;
945 str = select_unselected_str;
947 i = select->n_options++;
948 select->options = talloc_realloc(select, select->options,
949 struct select_option, i + 2);
950 select->options[i].val = value;
951 select->options[i].lines = 0;
952 select->options[i].str = NULL;
954 full_text = talloc_asprintf(select->options, "%s %s", str, text);
955 fold_text(full_text, select->widget.width,
956 widget_select_fold_cb, select);
958 select->options[i].field = f = new_field(select->options[i].lines,
960 select->top + select->widget.height,
963 select->widget.height += select->options[i].lines;
965 field_opts_off(f, O_EDIT);
966 set_field_userptr(f, &select->widget);
967 set_field_buffer(f, 0, select->options[i].str);
969 widgetset_add_field(select->set, f);
970 talloc_free(full_text);
973 int widget_select_get_value(struct nc_widget_select *select)
975 if (!select->n_options)
977 return select->options[select->selected_option].val;
980 int widget_select_height(struct nc_widget_select *select)
982 return select->widget.height;
985 void widget_select_on_change(struct nc_widget_select *select,
986 void (*on_change)(void *, int), void *arg)
988 select->on_change = on_change;
989 select->on_change_arg = arg;
992 void widget_select_drop_options(struct nc_widget_select *select)
994 struct nc_widgetset *set = select->set;
997 for (i = 0; i < select->n_options; i++) {
998 FIELD *field = select->options[i].field;
999 widgetset_remove_field(set, field);
1000 if (field == set->cur_field)
1001 set->cur_field = NULL;
1002 free_field(select->options[i].field);
1005 talloc_free(select->options);
1006 select->options = NULL;
1007 select->n_options = 0;
1008 select->widget.height = 0;
1009 select->widget.focus_y = 0;
1013 static bool button_process_key(struct nc_widget *widget,
1014 FORM *form __attribute__((unused)), int key)
1016 struct nc_widget_button *button = to_button(widget);
1021 if (!key_is_select(key))
1024 button->click(button->arg);
1028 static int button_destructor(void *ptr)
1030 struct nc_widget_button *button = ptr;
1031 free_field(button->widget.field);
1035 struct nc_widget_button *widget_new_button(struct nc_widgetset *set,
1036 int y, int x, int size, const char *str,
1037 void (*click)(void *), void *arg)
1039 struct nc_widget_button *button;
1040 int idx, len, pad1, pad2, bufsz;
1044 int field_size = size + 2;
1046 button = talloc_zero(set, struct nc_widget_button);
1047 button->widget.height = 1;
1048 button->widget.width = field_size;
1049 button->widget.x = x;
1050 button->widget.y = y;
1051 button->widget.field = f = new_field(1, field_size, y, x, 0, 0);
1052 button->widget.process_key = button_process_key;
1053 button->widget.focussed_attr = A_REVERSE;
1054 button->widget.unfocussed_attr = A_NORMAL;
1055 button->click = click;
1058 field_opts_off(f, O_EDIT);
1059 set_field_userptr(f, &button->widget);
1061 /* Center str in the field. This depends on the number of columns used
1062 * by the string, not the number of chars in str */
1063 len = strncols(str);
1065 idx = (field_size - len) / 2;
1068 pb_log("Warning: '%s' %d columns wide "
1069 "but button is %d columns wide\n",
1073 pad1 = max(idx - 1, 0);
1074 pad2 = max(size - len - pad1, 0);
1075 bufsz = 1 + pad1 + strlen(str) + pad2 + 2;
1077 text = talloc_array(button, char, bufsz);
1078 memset(text, ' ', bufsz);
1079 memcpy(text + idx, str, strlen(str));
1081 text[bufsz - 2] = ']';
1082 text[bufsz - 1] = '\0';
1084 set_field_buffer(f, 0, text);
1086 widgetset_add_field(set, button->widget.field);
1087 talloc_set_destructor(button, button_destructor);
1092 void widget_focus_change(struct nc_widget *widget, FIELD *field,
1095 int attr = focussed ? widget->focussed_attr : widget->unfocussed_attr;
1096 set_field_back(field, attr);
1099 bool widgetset_process_key(struct nc_widgetset *set, int key)
1101 struct nc_widget *widget;
1106 field = current_field(set->form);
1111 /* handle field change events */
1118 req = REQ_SPREV_FIELD;
1125 req = REQ_SNEXT_FIELD;
1128 req = REQ_SFIRST_FIELD;
1131 req = REQ_SLAST_FIELD;
1135 widget = field_userptr(field);
1137 widget_focus_change(widget, field, false);
1138 form_driver(set->form, req);
1140 /* if we're doing a tabbed-field-change, skip until we
1141 * see the next widget */
1143 field = current_field(set->form);
1145 for (; tab && tmp != field && field_userptr(field) == widget;) {
1146 form_driver(set->form, req);
1147 field = current_field(set->form);
1150 form_driver(set->form, REQ_END_FIELD);
1151 widget = field_userptr(field);
1152 widget_focus_change(widget, field, true);
1153 if (widget->field_focus)
1154 widget->field_focus(widget, field);
1155 if (set->widget_focus)
1156 set->widget_focus(widget, set->widget_focus_arg);
1160 if (!widget->process_key)
1163 return widget->process_key(widget, set->form, key);
1166 static int widgetset_destructor(void *ptr)
1168 struct nc_widgetset *set = ptr;
1169 free_form(set->form);
1170 if (set->ipv4_multi_type)
1171 free_fieldtype(set->ipv4_multi_type);
1175 struct nc_widgetset *widgetset_create(void *ctx, WINDOW *main, WINDOW *sub)
1177 struct nc_widgetset *set;
1179 set = talloc_zero(ctx, struct nc_widgetset);
1180 set->n_alloc_fields = 8;
1181 set->mainwin = main;
1183 set->fields = talloc_array(set, FIELD *, set->n_alloc_fields);
1184 talloc_set_destructor(set, widgetset_destructor);
1189 void widgetset_set_windows(struct nc_widgetset *set,
1190 WINDOW *main, WINDOW *sub)
1192 set->mainwin = main;
1196 void widgetset_set_widget_focus(struct nc_widgetset *set,
1197 widget_focus_cb cb, void *arg)
1199 set->widget_focus = cb;
1200 set->widget_focus_arg = arg;
1203 void widgetset_post(struct nc_widgetset *set)
1205 struct nc_widget *widget;
1208 set->form = new_form(set->fields);
1209 set_form_win(set->form, set->mainwin);
1210 set_form_sub(set->form, set->subwin);
1211 post_form(set->form);
1212 form_driver(set->form, REQ_END_FIELD);
1215 set_current_field(set->form, set->cur_field);
1217 field = current_field(set->form);
1218 widget = field_userptr(field);
1219 widget_focus_change(widget, field, true);
1220 if (set->widget_focus)
1221 set->widget_focus(widget, set->widget_focus_arg);
1224 void widgetset_unpost(struct nc_widgetset *set)
1226 set->cur_field = current_field(set->form);
1227 unpost_form(set->form);
1228 free_form(set->form);
1232 static void widgetset_add_field(struct nc_widgetset *set, FIELD *field)
1234 if (set->n_fields == set->n_alloc_fields - 1) {
1235 set->n_alloc_fields *= 2;
1236 set->fields = talloc_realloc(set, set->fields,
1237 FIELD *, set->n_alloc_fields);
1241 set->fields[set->n_fields - 1] = field;
1242 set->fields[set->n_fields] = NULL;
1245 static void widgetset_remove_field(struct nc_widgetset *set, FIELD *field)
1249 for (i = 0; i < set->n_fields; i++) {
1250 if (set->fields[i] == field)
1254 if (i == set->n_fields)
1257 memmove(&set->fields[i], &set->fields[i+i],
1258 (set->n_fields - i) * sizeof(set->fields[i]));
1262 #define DECLARE_BASEFN(type) \
1263 struct nc_widget *widget_ ## type ## _base \
1264 (struct nc_widget_ ## type *w) \
1265 { return &w->widget; }
1267 DECLARE_BASEFN(textbox);
1268 DECLARE_BASEFN(checkbox);
1269 DECLARE_BASEFN(subset);
1270 DECLARE_BASEFN(select);
1271 DECLARE_BASEFN(label);
1272 DECLARE_BASEFN(button);
1274 void widget_set_visible(struct nc_widget *widget, bool visible)
1276 if (widget->set_visible)
1277 widget->set_visible(widget, visible);
1279 field_set_visible(widget->field, visible);
1282 void widget_move(struct nc_widget *widget, int y, int x)
1285 widget->move(widget, y, x);
1287 field_move(widget->field, y, x);
1292 if (x + widget->width > COLS)
1293 pb_debug("%s: Widget at %d,%d runs over pad! (%d)", __func__,
1294 y, x, x + widget->width);
1297 int widget_height(struct nc_widget *widget)
1299 return widget->height;
1302 int widget_width(struct nc_widget *widget)
1304 return widget->width;
1307 int widget_x(struct nc_widget *widget)
1312 int widget_y(struct nc_widget *widget)
1317 int widget_focus_y(struct nc_widget *widget)
1319 return widget->focus_y;