Re: zle: vi mode: wrong undo handling on fresh lines

[Peter Stephenson <p.w.stephenson@ntlworld.com>]

On Sun, 22 Sep 2013 14:37:25 +0200
Hauke Petersen <hkptrsn@gmail.com> wrote:
> Insert operations should count as a single step in the undo history,
> i.e. from command mode
> 
>     ifoo<ESC>u
> 
> should effectively be a no-op.
> 
> AFAICT, zsh handles this fine with the exception of fresh lines.

Is it something like this, perhaps?

diff --git a/Src/Zle/zle_main.c b/Src/Zle/zle_main.c
index 756ff11..5798e74 100644
--- a/Src/Zle/zle_main.c
+++ b/Src/Zle/zle_main.c
@@ -1188,6 +1188,13 @@ zleread(char **lp, char **rp, int flags, int context, char *init, char *finish)
     viinsbegin = 0;
     statusline = NULL;
     selectkeymap("main", 1);
+    /*
+     * If main is linked to the viins keymap, we need to register
+     * explicitly that we're now in vi insert mode as there's
+     * no user operation to indicate this.
+     */
+    if (openkeymap("main") == openkeymap("viins"))
+	viinsert(NULL);
     selectlocalmap(NULL);
     fixsuffix();
     if ((s = getlinknode(bufstack))) {

-- 
Peter Stephenson <p.w.stephenson@ntlworld.com>
Web page now at http://homepage.ntlworld.com/p.w.stephenson/