Enable customization of keybindings

1 files changed, 44 insertions, 19 deletions

@@ -137,6 +137,15 @@ bollux_config() {
         : "${BOLLUX_PROTO:=gemini}"                    # default protocol
         : "${BOLLUX_URL:=}"                            # start url
         : "${BOLLUX_BYEMSG:=See You Space Cowboy ...}" # bye message
+        ## lesskeys
+        : "${KEY_OPEN:=o}"      # prompt for a link to open
+        : "${KEY_GOTO:=g}"      # prompt for a page to 'goto'
+        : "${KEY_GOTO_FROM:=G}" # goto a page with current prefilled
+        : "${KEY_BACK:='['}"    # go back in the history
+        : "${KEY_FORWARD:=']'}" # go forward in the history
+        : "${KEY_REFRESH:=r}"   # refresh the page
+        : "${KEY_CYCLE_PRE:=p}" # cycle T_PRE_DISPLAY
+        : "${BOLLUX_CUSTOM_LESSKEY:=${XDG_CONFIG_HOME:-$HOME/.config}/bollux/bollux.lesskey}"
         ## files
         : "${BOLLUX_DATADIR:=${XDG_DATA_HOME:-$HOME/.local/share}/bollux}"
         : "${BOLLUX_DOWNDIR:=.}"                       # where to save downloads
@@ -689,8 +698,13 @@ display() { # display METADATA [TITLE]
                 set_title "$title${title:+ - }bollux"
                 # render ANSI color escapes and don't wrap pre-formatted blocks
                 less_cmd=(less -RS)
-                mklesskey "$BOLLUX_LESSKEY" && less_cmd+=(-k "$BOLLUX_LESSKEY")
-                local helpline="o:open, g/G:goto, [:back, ]:forward, r:refresh"
+                mklesskey && less_cmd+=(-k "$BOLLUX_LESSKEY")
+                local helpline="${KEY_OPEN}:open, "
+                helpline+="${KEY_GOTO}/"
+                helpline+="${KEY_GOTO_FROM}:goto, "
+                helpline+="${KEY_BACK}:back, "
+                helpline+="${KEY_FORWARD}:forward, "
+                helpline+="${KEY_REFRESH}:refresh"
                 less_cmd+=(
                         # 'status'line
                         -Pm"$(less_prompt_escape "$BOLLUX_URL") - bollux$"
@@ -735,23 +749,31 @@ less_prompt_escape() { # less_prompt_escape STRING
 }
 
 # generate a lesskey(1) file for custom keybinds
-mklesskey() { # mklesskey FILENAME
-        lesskey -o "$1" - <<-\END
-                #command
-                o quit 0 # 48 open a link
-                g quit 1 # 49 goto a url
-                [ quit 2 # 50 back
-                ] quit 3 # 51 forward
-                r quit 4 # 52 re-request / download
-                G quit 5 # 53 goto a url (pre-filled)
-                p quit 6 # 54 cycle T_PRE_DISPLAY and refresh
-                # other keybinds
-                \40 forw-screen-force
-                h left-scroll
-                l right-scroll
-                ? status   # 'status' will show a little help thing.
-                = noaction
-        END
+mklesskey() { # mklesskey
+        if [[ -f "$BOLLUX_CUSTOM_LESSKEY" ]]; then
+                log d "Using custom lesskey: '$BOLLUX_CUSTOM_LESSKEY'"
+                BOLLUX_LESSKEY="${BOLLUX_CUSTOM_LESSKEY}"
+        elif [[ ! -f "$BOLLUX_LESSKEY" ]]; then
+                log d "Generating lesskey: '$BOLLUX_LESSKEY'"
+                lesskey -o "$BOLLUX_LESSKEY" - <<END
+#command
+${KEY_OPEN} quit 0 # 48 open a link
+${KEY_GOTO} quit 1 # 49 goto a url
+${KEY_BACK} quit 2 # 50 back
+${KEY_FORWARD} quit 3 # 51 forward
+${KEY_REFRESH} quit 4 # 52 re-request / download
+${KEY_GOTO_FROM} quit 5 # 53 goto a url (pre-filled)
+${KEY_CYCLE_PRE} quit 6 # 54 cycle T_PRE_DISPLAY and refresh
+# other keybinds
+\\40 forw-screen-force
+h left-scroll
+l right-scroll
+? status   # 'status' will show a little help thing.
+= noaction
+END
+        else
+                log d "Found lesskey: '$BOLLUX_LESSKEY'"
+        fi
 }
 
 # normalize files
@@ -1081,6 +1103,9 @@ bollux_init() {
         declare -a HISTORY # history is kept in an array
         HN=0               # position of history in the array
         run mkdir -p "${BOLLUX_HISTFILE%/*}"
+        # Remove $BOLLUX_LESSKEY and re-generate keybindings (to catch rebinds)
+        run rm "$BOLLUX_LESSKEY"
+        mklesskey
 }
 
 # clean up on exit