Macintosh-SW/EMILE
1
0
Fork 0
mirror of https://github.com/vivier/EMILE.git synced 2025-04-03 01:29:52 +00:00
Code Issues Projects Releases Wiki Activity

Manage righ arrow, left arrow and delete keys

Browse Source
This commit is contained in:
Laurent Vivier 2005-09-02 23:53:02 +00:00
parent 00ebe00960
commit dc4745097f
1 changed files with 46 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
second/cli.c
View File

@ -9,6 +9,28 @@
#include "console.h"
#define LEFT_ARROW() if (pos > 0) \
{ \
putchar('\b'); \
pos--; \
}
#define RIGHT_ARROW() if (pos < l) \
{ \
putchar(s[pos]);\
pos++; \
}
#define DELETE() if (pos < l) \
{ \
strcpy(s + pos, s + pos + 1); \
l--; \
console_cursor_save(); \
printf("%s", s + pos); \
putchar(' '); \
console_cursor_restore(); \
}
void cli_edit(char *s, int length)
{
int l = strlen(s);
@ -16,10 +38,13 @@ void cli_edit(char *s, int length)
int c = 1;
int i;
console_cursor_off();
printf("%s", s);
console_cursor_on();
while ((c = console_getchar()) != '\r')
{
retry:
if ( (c > 0x1f) && (c < 0x7f) && (l < length - 1) )
{
for (i = l; i > pos; i--)
@ -34,19 +59,30 @@ void cli_edit(char *s, int length)
}
else switch(c)
{
case '':
if (pos > 0)
case '':
if ( (c = console_getchar()) != '[' )
goto retry;
switch(c = console_getchar())
{
putchar('\b');
pos--;
case 'D':
LEFT_ARROW();
break;
case 'C':
RIGHT_ARROW();
break;
case '3':
if (console_getchar() == '~')
DELETE();
break;
default:
goto retry;
}
break;
case '':
LEFT_ARROW();
break;
case '':
if (pos < l)
{
putchar(s[pos]);
pos++;
}
RIGHT_ARROW();
break;
case '\b': /* backspace */
if (pos > 0)
@ -62,15 +98,7 @@ void cli_edit(char *s, int length)
}
break;
case 0x7f: /* Delete */
if (pos < l)
{
strcpy(s + pos, s + pos + 1);
l--;
console_cursor_save();
printf("%s", s + pos);
putchar(' ');
console_cursor_restore();
}
DELETE();
break;
}
}