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1.1 root 1: /*
2: * yesno.c -- implements the yes/no box
3: *
4: * ORIGINAL AUTHOR: Savio Lam ([email protected])
5: * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap ([email protected])
6: *
7: * This program is free software; you can redistribute it and/or
8: * modify it under the terms of the GNU General Public License
9: * as published by the Free Software Foundation; either version 2
10: * of the License, or (at your option) any later version.
11: *
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU General Public License for more details.
16: *
17: * You should have received a copy of the GNU General Public License
18: * along with this program; if not, write to the Free Software
19: * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20: */
21:
22: #include "dialog.h"
23:
24: /*
25: * Display termination buttons
26: */
27: static void print_buttons(WINDOW * dialog, int height, int width, int selected)
28: {
29: int x = width / 2 - 10;
30: int y = height - 2;
31:
32: print_button(dialog, gettext(" Yes "), y, x, selected == 0);
33: print_button(dialog, gettext(" No "), y, x + 13, selected == 1);
34:
35: wmove(dialog, y, x + 1 + 13 * selected);
36: wrefresh(dialog);
37: }
38:
39: /*
40: * Display a dialog box with two buttons - Yes and No
41: */
42: int dialog_yesno(const char *title, const char *prompt, int height, int width)
43: {
44: int i, x, y, key = 0, button = 0;
45: WINDOW *dialog;
46:
47: do_resize:
48: if (getmaxy(stdscr) < (height + 4))
49: return -ERRDISPLAYTOOSMALL;
50: if (getmaxx(stdscr) < (width + 4))
51: return -ERRDISPLAYTOOSMALL;
52:
53: /* center dialog box on screen */
54: x = (COLS - width) / 2;
55: y = (LINES - height) / 2;
56:
57: draw_shadow(stdscr, y, x, height, width);
58:
59: dialog = newwin(height, width, y, x);
60: keypad(dialog, TRUE);
61:
62: draw_box(dialog, 0, 0, height, width,
63: dlg.dialog.atr, dlg.border.atr);
64: wattrset(dialog, dlg.border.atr);
65: mvwaddch(dialog, height - 3, 0, ACS_LTEE);
66: for (i = 0; i < width - 2; i++)
67: waddch(dialog, ACS_HLINE);
68: wattrset(dialog, dlg.dialog.atr);
69: waddch(dialog, ACS_RTEE);
70:
71: print_title(dialog, title, width);
72:
73: wattrset(dialog, dlg.dialog.atr);
74: print_autowrap(dialog, prompt, width - 2, 1, 3);
75:
76: print_buttons(dialog, height, width, 0);
77:
78: while (key != KEY_ESC) {
79: key = wgetch(dialog);
80: switch (key) {
81: case 'Y':
82: case 'y':
83: delwin(dialog);
84: return 0;
85: case 'N':
86: case 'n':
87: delwin(dialog);
88: return 1;
89:
90: case TAB:
91: case KEY_LEFT:
92: case KEY_RIGHT:
93: button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);
94:
95: print_buttons(dialog, height, width, button);
96: wrefresh(dialog);
97: break;
98: case ' ':
99: case '\n':
100: delwin(dialog);
101: return button;
102: case KEY_ESC:
103: key = on_key_esc(dialog);
104: break;
105: case KEY_RESIZE:
106: delwin(dialog);
107: on_key_resize();
108: goto do_resize;
109: }
110: }
111:
112: delwin(dialog);
113: return key; /* ESC pressed */
114: }
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