Fix #27: use catfish as default search utility

README.md

@@ -146,6 +146,7 @@ Right, Enter, l, ^M | Open file or enter dir
                   - | Jump to last visited dir
                   o | Open dir in NNN_DE_FILE_MANAGER
                   / | Filter dir contents
+                 ^/ | Search dir in catfish
                   c | Show change dir prompt
                   d | Toggle detail view
                   D | Toggle current file details screen
@@ -200,11 +201,12 @@ nnn is designed to play files using multiple strategies (in order of decreasing
         export NNN_OPENER=xdg-open
         export NNN_OPENER="gio open"
         export NNN_OPENER=gvfs-open
-  - If nnn recognizes the file extension, it invokes nlay (which invokes the players). Default players:
+  - If nnn recognizes the file extension, it invokes nlay (which invokes the players). Default apps:
     - mpv - audio and video
     - viewnior - image
     - [zathura](https://pwmt.org/projects/zathura/) - pdf
     - vim - plain text
+    - catfish - search
     - to add, remove recognized extensions in nnn, see [how to change file associations](#change-file-associations)
   - If a file without any extension is a plain text file, it is opened in EDITOR (fallback vi)
   - Set `NNN_FALLBACK_OPENER` as the fallback opener. E.g.:

config.def.h

@@ -35,6 +35,8 @@ static struct key bindings[] = {
 	{ 'l',            SEL_GOIN,      "",     "" },
 	/* Filter */
 	{ '/',            SEL_FLTR,      "",     "" },
+	/* Desktop search */
+	{ CONTROL('_'),   SEL_SEARCH,    "",     "" },
 	/* Next */
 	{ 'j',            SEL_NEXT,      "",     "" },
 	{ KEY_DOWN,       SEL_NEXT,      "",     "" },

nlay

@@ -120,3 +120,14 @@ if [ "$2" == "text" ]; then
     eval $app $txt_opts "\"$1\"" $bg
     exit 0
 fi
+
+#----------------- SEARCH -------------------
+if [ "$2" == "search" ]; then
+    app=catfish
+    #search_opts=
+
+    bg=">/dev/null 2>&1 &"
+
+    eval $app $search_opts "\"$1\"" $bg
+    exit 0
+fi

nnn.1

@@ -51,6 +51,8 @@ Change to the last visited directory
 Open directory in NNN_DE_FILE_MANAGER
 .It Ic /
 Change filter (more information below)
+.It Ic ^/
+Search directory in catfish
 .It Ic c
 Change into the given directory
 .It Ic d

nnn.c

@@ -84,6 +84,7 @@ enum action {
 	SEL_BACK,
 	SEL_GOIN,
 	SEL_FLTR,
+	SEL_SEARCH,
 	SEL_NEXT,
 	SEL_PREV,
 	SEL_PGDN,
@@ -1212,6 +1213,7 @@ show_help(void)
                     - | Jump to last visited dir\n\
                     o | Open dir in NNN_DE_FILE_MANAGER\n\
                     / | Filter dir contents\n\
+		   ^/ | Search dir in catfish\n\
                     c | Show change dir prompt\n\
                     d | Toggle detail view\n\
                     D | Toggle current file details screen\n\
@@ -1658,6 +1660,14 @@ nochange:
 			if (ndents > 0)
 				mkpath(path, dents[cur].name, oldpath, PATH_MAX);
 			goto nochange;
+		case SEL_SEARCH:
+			exitcurses();
+			if (player)
+				spawn(player, path, "search", NULL, 0);
+			else
+				spawn("nlay", path, "search", NULL, 0);
+			initcurses();
+			break;
 		case SEL_NEXT:
 			if (cur < ndents - 1)
 				cur++;