2 * $Id: yesno.c,v 1.57 2012/12/01 01:48:21 tom Exp $
4 * yesno.c -- implements the yes/no box
6 * Copyright 1999-2011,2012 Thomas E. Dickey
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU Lesser General Public License, version 2.1
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this program; if not, write to
19 * Free Software Foundation, Inc.
20 * 51 Franklin St., Fifth Floor
21 * Boston, MA 02110, USA.
23 * An earlier version of this program lists as authors
24 * Savio Lam (lam836@cs.cuhk.hk)
31 * Display a dialog box with two buttons - Yes and No.
34 dialog_yesno(const char *title, const char *cprompt, int height, int width)
37 static DLG_KEYS_BINDING binding[] = {
49 int button = dlg_default_button();
51 int result = DLG_EXIT_UNKNOWN;
52 char *prompt = dlg_strclone(cprompt);
53 const char **buttons = dlg_yes_labels();
56 int page, last = 0, offset = 0;
59 int req_high = height;
64 dlg_tab_correct_str(prompt);
65 dlg_button_layout(buttons, &min_width);
66 dlg_auto_size(title, prompt, &height, &width, 2, min_width);
67 dlg_print_size(height, width);
68 dlg_ctl_size(height, width);
70 x = dlg_box_x_ordinate(width);
71 y = dlg_box_y_ordinate(height);
75 dlg_move_window(dialog, height, width, y, x);
79 dialog = dlg_new_window(height, width, y, x);
80 dlg_register_window(dialog, "yesno", binding);
81 dlg_register_buttons(dialog, "yesno", buttons);
84 dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
85 dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
86 dlg_draw_title(dialog, title);
87 dlg_draw_helpline(dialog, FALSE);
89 (void) wattrset(dialog, dialog_attr);
91 page = height - (1 + 3 * MARGIN);
92 dlg_draw_buttons(dialog,
93 height - 2 * MARGIN, 0,
94 buttons, button, FALSE, width);
96 while (result == DLG_EXIT_UNKNOWN) {
98 last = dlg_print_scrolled(dialog, prompt, offset,
100 dlg_trace_win(dialog);
103 key = dlg_mouse_wgetch(dialog, &fkey);
104 if (dlg_result_key(key, fkey, &result))
106 if ((code = dlg_char_to_button(key, buttons)) >= 0) {
107 result = dlg_ok_buttoncode(code);
110 /* handle function keys */
113 case DLGK_FIELD_NEXT:
114 button = dlg_next_button(buttons, button);
117 dlg_draw_buttons(dialog,
122 case DLGK_FIELD_PREV:
123 button = dlg_prev_button(buttons, button);
126 dlg_draw_buttons(dialog,
132 result = dlg_yes_buttoncode(button);
142 if (is_DLGK_MOUSE(key)) {
143 result = dlg_yes_buttoncode(key - M_EVENT);
145 result = DLG_EXIT_OK;
146 } else if (dlg_check_scrolled(key, last, page,
147 &show, &offset) != 0) {
157 dlg_del_window(dialog);
158 dlg_mouse_free_regions();