Adds key combinations for fuzzy search

Currently:
* ctrl-n - new file from query
* ctrl-o - view file
* ctrl-e - edit file
* ctrl-d - delete file

close #11

inc/file-management

@@ -109,3 +109,14 @@ deleteFile(){
 	fi
 }
 
+viewFile(){
+	cd "$dataDir" || return
+
+	local id="$1"
+	local filename
+
+	filename="$(findFile "$id")"
+
+	bat --color=always --style=full "$filename"
+}
+

kb

@@ -18,6 +18,7 @@
 RED='\033[1;31m'
 GREEN='\033[1;32m'
 YELLOW='\033[1;33m'
+WHITE='\033[1;37m'
 NC='\033[0m'
 
 # Provide a variable with the location of this script.
@@ -239,16 +240,42 @@ listEntries(){
 fuzzySelect(){
 	cd "$dataDir" || return
 	local id
+	local query
+	local operation
+	local output
+	local header="$(echo -e "Type to filter
+
+${YELLOW}ctrl+n $WHITE create new
+${YELLOW}ctrl+v $WHITE view selected
+${YELLOW}ctrl+e $WHITE edit selected
+${YELLOW}ctrl+d $WHITE delete selected
+")"
 	export -f fzfPreview
 	export dataDir
-	id="$(listEntries | fzf --header-lines=2 --delimiter="  +" --with-nth=3,5 \
-		--preview='bash -c "fzfPreview {}"' | awk '{print $1}')"
-	if [ -n "$id" ]; then
-		case "$1" in
-			edit) editFile "$id"; safeExit ;;
-			view) viewFile "$id"; safeExit ;;
-		esac
-	fi
+	output="$(listEntries |
+		fzf --header="$header" --header-lines=2 --print-query \
+		--delimiter="  +" --with-nth=3,5 \
+		--expect="ctrl-n,ctrl-o,ctrl-e,ctrl-d"  \
+		--preview='bash -c "fzfPreview {}"')"
+
+	query="$(echo "$output" | sed -n '1p')"
+	operation="$(echo "$output" | sed -n '2p')"
+	id="$(echo "$output" | sed -n '3p' | cut -d' ' -f1)"
+
+	case "$operation" in
+		'ctrl-n') newFile "$query" ;;
+		'ctrl-o') viewFile "$id" ;;
+		'ctrl-e') editFile "$id" ;;
+		'ctrl-d') deleteFile "$id" ;;
+		'')
+			case "$1" in
+				edit) editFile "$id"; safeExit ;;
+				view) viewFile "$id"; safeExit ;;
+			esac
+			;;
+		*) die "unknown operation '$operation'" ;;
+	esac
+
 }
 
 fzfPreview(){
@@ -271,17 +298,6 @@ fzfPreview(){
 	fi
 }
 
-viewFile(){
-	cd "$dataDir" || return
-
-	local id="$1"
-	local filename
-
-	filename="$(findFile "$id")"
-
-	bat --color=always --style=full "$filename"
-}
-
 doDeepSearch(){
 	cd "$dataDir" || return
 	local query="$1"