* Dmitrij D. Czarkoff <[email protected]> [110721 14:49]:
> Hello!
>
> I tried both documentation and google, and I could only figure out how to
> enable arrow keys in emacs mode of ksh.
>
> Is there a way to enable them in vi mode? Same goes for HOME and END buttons.
Try the patch below.
You probably wonder why cursor movement is done in such a strange way,
reimplementing both domove() and vi_cmd(), but I couldn't find a better
way to go to "end of line + one".
diff --git a/vi.c b/vi.c
index 0bac6be..c1a7b7d 100644
--- a/vi.c
+++ b/vi.c
@@ -247,6 +247,48 @@ x_vi(char *buf, size_t len)
return es->linelen;
}
+static void keypad(int ch) {
+ int cur = 0;
+ char cmd;
+
+ switch (ch) {
+ case 'D': /* left */
+ cur--;
+ break;
+ case 'C': /* right */
+ cur++;
+ break;
+ case 'A': /* up */
+ cmd = 'k';
+ vi_cmd(1, &cmd);
+ break;
+ case 'B': /* down */
+ cmd = 'j';
+ vi_cmd(1, &cmd);
+ break;
+ case 'H': /* home */
+ es->cursor = 0;
+ break;
+ case 'F': /* end */
+ es->cursor = es->linelen;
+ break;
+ default:
+ vi_error();
+ return;
+ }
+ if ((cur += es->cursor) >= 0) {
+ if (cur > es->linelen && cur != 0) {
+ cur--;
+ vi_error();
+ }
+ es->cursor = cur;
+ } else
+ vi_error();
+
+ refresh(0);
+ return;
+}
+
static int
vi_hook(int ch)
{
@@ -261,6 +303,15 @@ vi_hook(int ch)
state = VLIT;
ch = '^';
}
+
+ if (ch == '\033') {
+ if (x_getc() == '[')
+ keypad(x_getc());
+ else /* unknown sequence */
+ vi_error();
+ return 0;
+ }
+
switch (vi_insert(ch)) {
case -1:
vi_error();
--
Alexander Polakov | plhk.ru
