summaryrefslogtreecommitdiffstats
path: root/contrib/syslinux/syslinux-4.03/com32/cmenu/libmenu/tui.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/syslinux/syslinux-4.03/com32/cmenu/libmenu/tui.c')
-rw-r--r--contrib/syslinux/syslinux-4.03/com32/cmenu/libmenu/tui.c258
1 files changed, 0 insertions, 258 deletions
diff --git a/contrib/syslinux/syslinux-4.03/com32/cmenu/libmenu/tui.c b/contrib/syslinux/syslinux-4.03/com32/cmenu/libmenu/tui.c
deleted file mode 100644
index dd69277..0000000
--- a/contrib/syslinux/syslinux-4.03/com32/cmenu/libmenu/tui.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/* -*- c -*- ------------------------------------------------------------- *
- *
- * Copyright 2004-2006 Murali Krishnan Ganapathy - All Rights Reserved
- *
- * 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, Inc., 53 Temple Place Ste 330,
- * Boston MA 02111-1307, USA; either version 2 of the License, or
- * (at your option) any later version; incorporated herein by reference.
- *
- * ----------------------------------------------------------------------- */
-
-#include "tui.h"
-#include <string.h>
-#include <com32.h>
-#include <stdlib.h>
-#include "com32io.h"
-
-com32sys_t inreg, outreg; // Global register sets for use
-
-char bkspstr[] = " \b$";
-char eolstr[] = "\n$";
-
-// Reads a line of input from stdin. Replace CR with NUL byte
-// password <> 0 implies not echoed on screen
-// showoldvalue <> 0 implies currentvalue displayed first
-// If showoldvalue <> 0 then caller responsibility to ensure that
-// str is NULL terminated.
-void getuserinput(char *stra, unsigned int size, unsigned int password,
- unsigned int showoldvalue)
-{
- unsigned int c;
- char *p, *q; // p = current char of string, q = tmp
- char *last; // The current last char of string
- char *str; // pointer to string which is going to be allocated
- char row, col;
- char start, end; // Cursor shape
- char fudge; // How many chars should be removed from output
- char insmode; // Are we in insert or overwrite
-
- getpos(&row, &col, 0); // Get current position
- getcursorshape(&start, &end);
- insmode = 1;
-
- str = (char *)malloc(size + 1); // Allocate memory to store user input
- memset(str, 0, size + 1); // Zero it out
- if (password != 0)
- showoldvalue = 0; // Password's never displayed
-
- if (showoldvalue != 0)
- strcpy(str, stra); // If show old value copy current value
-
- last = str;
- while (*last) {
- last++;
- } // Find the terminating null byte
- p = str + strlen(str);
-
- if (insmode == 0)
- setcursorshape(1, 7); // Block cursor
- else
- setcursorshape(6, 7); // Normal cursor
-
- // Invariants: p is the current char
- // col is the corresponding column on the screen
- if (password == 0) // Not a password, print initial value
- {
- gotoxy(row, col);
- csprint(str, GETSTRATTR);
- }
- while (1) { // Do forever
- c = get_key(stdin, 0);
- if (c == KEY_ENTER)
- break; // User hit Enter getout of loop
- if (c == KEY_ESC) // User hit escape getout and nullify string
- {
- *str = 0;
- break;
- }
- fudge = 0;
- // if scan code is regognized do something
- // else if char code is recognized do something
- // else ignore
- switch (c) {
- case KEY_HOME:
- p = str;
- break;
- case KEY_END:
- p = last;
- break;
- case KEY_LEFT:
- if (p > str)
- p--;
- break;
- case KEY_CTRL(KEY_LEFT):
- if (p == str)
- break;
- if (*p == ' ')
- while ((p > str) && (*p == ' '))
- p--;
- else {
- if (*(p - 1) == ' ') {
- p--;
- while ((p > str) && (*p == ' '))
- p--;
- }
- }
- while ((p > str) && ((*p == ' ') || (*(p - 1) != ' ')))
- p--;
- break;
- case KEY_RIGHT:
- if (p < last)
- p++;
- break;
- case KEY_CTRL(KEY_RIGHT):
- if (*p == 0)
- break; // At end of string
- if (*p != ' ')
- while ((*p != 0) && (*p != ' '))
- p++;
- while ((*p != 0) && ((*p == ' ') && (*(p + 1) != ' ')))
- p++;
- if (*p == ' ')
- p++;
- break;
- case KEY_DEL:
- case KEY_DELETE:
- q = p;
- while (*(q + 1)) {
- *q = *(q + 1);
- q++;
- }
- if (last > str)
- last--;
- fudge = 1;
- break;
- case KEY_INSERT:
- insmode = 1 - insmode; // Switch mode
- if (insmode == 0)
- setcursorshape(1, 7); // Block cursor
- else
- setcursorshape(6, 7); // Normal cursor
- break;
- case KEY_BACKSPACE: // Move over by one
- q = p;
- while (q <= last) {
- *(q - 1) = *q;
- q++;
- }
- if (last > str)
- last--;
- if (p > str)
- p--;
- fudge = 1;
- break;
- case KEY_CTRL('U'): /* Ctrl-U: kill input */
- fudge = last - str;
- while (p > str)
- *p-- = 0;
- p = str;
- *p = 0;
- last = str;
- break;
- default: // Handle insert and overwrite mode
- if ((c >= ' ') && (c < 128) &&
- ((unsigned int)(p - str) < size - 1)) {
- if (insmode == 0) { // Overwrite mode
- if (p == last)
- last++;
- *last = 0;
- *p++ = c;
- } else { // Insert mode
- if (p == last) { // last char
- last++;
- *last = 0;
- *p++ = c;
- } else { // Non-last char
- q = last++;
- while (q >= p) {
- *q = *(q - 1);
- q--;
- }
- *p++ = c;
- }
- }
- } else
- beep();
- break;
- }
- // Now the string has been modified, print it
- if (password == 0) {
- gotoxy(row, col);
- csprint(str, GETSTRATTR);
- if (fudge > 0)
- cprint(' ', GETSTRATTR, fudge);
- gotoxy(row, col + (p - str));
- }
- } /* while */
- *p = '\0';
- if (password == 0)
- csprint("\r\n", GETSTRATTR);
- setcursorshape(start, end); // Block cursor
- // If user hit ESCAPE so return without any changes
- if (c != KEY_ESC)
- strcpy(stra, str);
- free(str);
-}
-
-//////////////////////////////Box Stuff
-
-// Draw box and lines
-void drawbox(const char top, const char left, const char bot,
- const char right, const char attr)
-{
- unsigned char x;
- putchar(SO);
- // Top border
- gotoxy(top, left);
- putch(TOP_LEFT_CORNER_BORDER, attr);
- cprint(TOP_BORDER, attr, right - left - 1);
- putch(TOP_RIGHT_CORNER_BORDER, attr);
- // Bottom border
- gotoxy(bot, left);
- putch(BOTTOM_LEFT_CORNER_BORDER, attr);
- cprint(BOTTOM_BORDER, attr, right - left - 1);
- putch(BOTTOM_RIGHT_CORNER_BORDER, attr);
- // Left & right borders
- for (x = top + 1; x < bot; x++) {
- gotoxy(x, left);
- putch(LEFT_BORDER, attr);
- gotoxy(x, right);
- putch(RIGHT_BORDER, attr);
- }
- putchar(SI);
-}
-
-void drawhorizline(const char top, const char left, const char right,
- const char attr, char dumb)
-{
- unsigned char start, end;
- if (dumb == 0) {
- start = left + 1;
- end = right - 1;
- } else {
- start = left;
- end = right;
- }
- gotoxy(top, start);
- putchar(SO);
- cprint(MIDDLE_BORDER, attr, end - start + 1);
- if (dumb == 0) {
- gotoxy(top, left);
- putch(MIDDLE_BORDER, attr);
- gotoxy(top, right);
- putch(MIDDLE_BORDER, attr);
- }
- putchar(SI);
-}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-09 06:56:07 +0200