patch-1.3.60 linux/scripts/lxdialog/yesno.c

• Lines: 115
• Date: Wed Feb 7 09:47:28 1996
• Orig file: v1.3.59/linux/scripts/lxdialog/yesno.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.59/linux/scripts/lxdialog/yesno.c linux/scripts/lxdialog/yesno.c
@@ -0,0 +1,114 @@
+/*
+ *  yesno.c -- implements the yes/no box
+ *
+ *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
+ *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "dialog.h"
+
+/*
+ * Display termination buttons
+ */
+static void
+print_buttons(WINDOW *dialog, int height, int width, int okval, int cancelval)
+{
+    int x = width / 2 - 10;
+    int y = height - 2;
+
+    print_button (dialog, " Yes ", y, x, okval);
+    print_button (dialog, "  No  ", y, x + 13, cancelval);
+
+    wrefresh (dialog);
+}
+
+/*
+ * Display a dialog box with two buttons - Yes and No
+ */
+int
+dialog_yesno (const char *title, const char *prompt, int height, int width)
+{
+    int i, x, y, key = 0, button = 0;
+    WINDOW *dialog;
+
+    /* center dialog box on screen */
+    x = (COLS - width) / 2;
+    y = (LINES - height) / 2;
+
+    draw_shadow (stdscr, y, x, height, width);
+
+    dialog = newwin (height, width, y, x);
+    keypad (dialog, TRUE);
+
+    draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr);
+    wattrset (dialog, border_attr);
+    mvwaddch (dialog, height-3, 0, ACS_LTEE);
+    for (i = 0; i < width - 2; i++)
+	waddch (dialog, ACS_HLINE);
+    wattrset (dialog, dialog_attr);
+    waddch (dialog, ACS_RTEE);
+
+    if (title != NULL) {
+	wattrset (dialog, title_attr);
+	mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' ');
+	waddstr (dialog, (char *)title);
+	waddch (dialog, ' ');
+    }
+
+    wattrset (dialog, dialog_attr);
+    print_autowrap (dialog, prompt, width - 2, 1, 3);
+
+    print_buttons(dialog, height, width, TRUE, FALSE);
+
+    while (key != ESC) {
+	key = wgetch (dialog);
+	switch (key) {
+	case 'Y':
+	case 'y':
+	    delwin (dialog);
+	    return 0;
+	case 'N':
+	case 'n':
+	    delwin (dialog);
+	    return 1;
+
+	case TAB:
+	case KEY_UP:
+	case KEY_DOWN:
+	case KEY_LEFT:
+	case KEY_RIGHT:
+	    if (!button) {
+		button = 1;	/* "No" button selected */
+    		print_buttons(dialog, height, width, FALSE, TRUE);
+	    } else {
+		button = 0;	/* "Yes" button selected */
+    		print_buttons(dialog, height, width, TRUE, FALSE);
+	    }
+	    wrefresh (dialog);
+	    break;
+	case ' ':
+	case '\n':
+	    delwin (dialog);
+	    return button;
+	case ESC:
+	    break;
+	}
+    }
+
+    delwin (dialog);
+    return -1;			/* ESC pressed */
+}