Implement dir auto-select in nav-as-you-type mode.

If only one entry matches regex filter and it it a directory, cd into it.

diff --git a/README.md b/README.md
index 9dfff77249db53471b2d1f20d130be7e82ca3635..1e4cae8f34379f34b89dd9a94f32baac07a16f04 100644 (file)
--- a/README.md
+++ b/README.md
@@ -276,6 +276,8 @@ If `nnn` is invoked as root or the environment variable `NNN_SHOW_HIDDEN` is set
 
 In this mode directories are opened in filter mode, allowing continuous navigation. Works best with the **arrow keys**.
 
+In case of only one match and it's a directory, `nnn` auto selects the directory and enters it in this mode.
+
 #### File indicators
 
 The following indicators are used in the detail view:

diff --git a/nnn.1 b/nnn.1
index 0c71ebd95f41eef319cbcbe21535ef17aca30f93..fba08f2fa9b7b8de69262b060936dc9c278af137 100644 (file)
--- a/nnn.1
+++ b/nnn.1
@@ -206,6 +206,8 @@ is invoked as root or the environment variable \fBNNN_SHOW_HIDDEN\fR is set the
 .Pp
 In the \fInavigate-as-you-type\fR mode directories are opened in filter mode,
 allowing continuous navigation. Works best with the \fBarrow keys\fR.
+.br
+In case of only one match and it's a directory, `nnn` auto selects the directory and enters it in this mode.
 .Sh MULTI-COPY MODE
 The absolute path of a single file can be copied to clipboard by pressing \fI^K\fR if
 NNN_COPIER is set (see ENVIRONMENT section below).

diff --git a/nnn.c b/nnn.c
index 179a804ee15f148465702e66df4ce5c42e6acc5e..5975040480df1bde6e5829e5a792a8f847aa22de 100644 (file)
--- a/nnn.c
+++ b/nnn.c
@@ -1161,6 +1161,21 @@ filterentries(char *path)
                                ndents = total;
                                if (matches(pln) == -1)
                                        continue;
+
+                               /* If the only match is a dir, auto-select and cd into it */
+                               if (cfg.filtermode && ndents == 1 && S_ISDIR(dents[0].mode)) {
+                                       *ch = KEY_ENTER;
+                                       cur = 0;
+                                       goto end;
+                               }
+
+                               /*
+                                * redraw() should be above the auto-select optimization, for
+                                * the case where there's an issue with dir auto-select, say,
+                                * due to a permission problem. The transition is jumpy in
+                                * case of such an error. However, we optimize for successful
+                                * cases where the dir has permissions. This skips a redraw().
+                                */
                                redraw(path);
                                printprompt(ln);
                        }