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118 lines
3.0 KiB
118 lines
3.0 KiB
/* |
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* yesno.c -- implements the yes/no box |
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* |
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* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk) |
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* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include "dialog.h" |
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/* |
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* Display termination buttons |
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*/ |
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static void |
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print_buttons(WINDOW *dialog, int height, int width, int selected) |
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{ |
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int x = width / 2 - 10; |
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int y = height - 2; |
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print_button (dialog, " Yes ", y, x, selected == 0); |
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print_button (dialog, " No ", y, x + 13, selected == 1); |
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wmove(dialog, y, x+1 + 13*selected ); |
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wrefresh (dialog); |
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} |
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/* |
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* Display a dialog box with two buttons - Yes and No |
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*/ |
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int |
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dialog_yesno (const char *title, const char *prompt, int height, int width) |
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{ |
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int i, x, y, key = 0, button = 0; |
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WINDOW *dialog; |
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/* center dialog box on screen */ |
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x = (COLS - width) / 2; |
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y = (LINES - height) / 2; |
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draw_shadow (stdscr, y, x, height, width); |
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dialog = newwin (height, width, y, x); |
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keypad (dialog, TRUE); |
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draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr); |
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wattrset (dialog, border_attr); |
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mvwaddch (dialog, height-3, 0, ACS_LTEE); |
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for (i = 0; i < width - 2; i++) |
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waddch (dialog, ACS_HLINE); |
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wattrset (dialog, dialog_attr); |
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waddch (dialog, ACS_RTEE); |
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if (title != NULL && strlen(title) >= width-2 ) { |
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/* truncate long title -- mec */ |
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char * title2 = malloc(width-2+1); |
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memcpy( title2, title, width-2 ); |
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title2[width-2] = '\0'; |
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title = title2; |
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} |
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if (title != NULL) { |
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wattrset (dialog, title_attr); |
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mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' '); |
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waddstr (dialog, (char *)title); |
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waddch (dialog, ' '); |
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} |
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wattrset (dialog, dialog_attr); |
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print_autowrap (dialog, prompt, width - 2, 1, 3); |
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print_buttons(dialog, height, width, 0); |
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while (key != ESC) { |
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key = wgetch (dialog); |
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switch (key) { |
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case 'Y': |
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case 'y': |
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delwin (dialog); |
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return 0; |
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case 'N': |
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case 'n': |
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delwin (dialog); |
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return 1; |
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case TAB: |
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case KEY_LEFT: |
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case KEY_RIGHT: |
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button = ((key == KEY_LEFT ? --button : ++button) < 0) |
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? 1 : (button > 1 ? 0 : button); |
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print_buttons(dialog, height, width, button); |
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wrefresh (dialog); |
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break; |
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case ' ': |
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case '\n': |
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delwin (dialog); |
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return button; |
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case ESC: |
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break; |
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} |
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} |
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delwin (dialog); |
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return -1; /* ESC pressed */ |
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}
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