From fce012bb93ce4ee7fb691a46e5b3bda355a6b9c0 Mon Sep 17 00:00:00 2001
From: Jorge Morante <jorge@morante.eu>
Date: Thu, 28 Apr 2016 22:27:40 +0200
Subject: [PATCH] working in copy mode

---
 scripts/fingers.sh      | 17 +++++++++++------
 scripts/tmux-fingers.sh | 32 ++++++++++++++++++++++++++------
 tmux-fingers.tmux       |  2 +-
 3 files changed, 38 insertions(+), 13 deletions(-)

diff --git a/scripts/fingers.sh b/scripts/fingers.sh
index 1d72379..b8bce00 100755
--- a/scripts/fingers.sh
+++ b/scripts/fingers.sh
@@ -1,5 +1,4 @@
 #!/bin/bash
-clear
 
 #TODO move this out of here!
 current_pane_id=$1
@@ -9,6 +8,11 @@ ALPHABET=asdfqwertjkluiop
 ALPHABET_SIZE=${#ALPHABET}
 HINTS=(aa as ad af aq aw ae ar at aj ak al au ai ao ap sa ss sd sf sq sw se sr st sj sk sl su si so sp da ds dd df dq dw de dr dt dj dk dl du di do dp fa fs fd ff fq fw fe fr ft fj fk fl fu fi fo fp qa qs qd qf qq qw qe qr qt qj qk ql qu qi qo qp wa ws wd wf wq ww we wr wt wj e r t j k l u i o p)
 
+function clear_screen() {
+  clear
+  tmux clearhist
+}
+
 function get_hint() {
   echo ${HINTS[$1]}
 }
@@ -17,6 +21,8 @@ function fancy() {
   printf "\033[1;33m$1\033[0m"
 }
 
+clear_screen
+
 PATTERNS=
 
 lines=''
@@ -35,17 +41,16 @@ match_lookup=''
 OLDIFS=$IFS
 IFS=$(echo -en "\n\b") # wtf bash?
 for match in $matches ; do
-  echo "for match [$match]"
   hint=`get_hint $i`
   linenumber=`echo $match | cut -f1 -d:`
   text=`echo $match | cut -f2 -d:`
-  output=`echo -e "$output" | sed "${linenumber}s!$text!$(fancy $text) $(fancy "[$hint]")!g"`
+  output=`echo -ne "$output" | sed "${linenumber}s!$text!$(fancy $text) $(fancy "[$hint]")!g"`
   match_lookup="$match_lookup\n$hint:$text"
   i=$(($i+1))
 done
 IFS=$OLDIFS
 
-echo -e "$output"
+echo -ne "$output"
 
 function handle_exit() {
   tmux swap-pane -s $current_pane_id -t $fingers_pane_id
@@ -55,7 +60,7 @@ function handle_exit() {
 trap "handle_exit" EXIT
 
 input=''
-while read -n 1 char
+while read -r -s -n1 char
 do
   input="$input$char"
   result=`echo -e $match_lookup | grep "^$input:" | cut -f2 -d:`
@@ -64,7 +69,7 @@ do
 
   if [[ ! -z $result ]]; then
     clear
-    echo "$result"
+    echo -n "$result"
 
     tmux copy-mode
     tmux send-key "H" # top of buffer
diff --git a/scripts/tmux-fingers.sh b/scripts/tmux-fingers.sh
index f2902d5..049b603 100755
--- a/scripts/tmux-fingers.sh
+++ b/scripts/tmux-fingers.sh
@@ -11,27 +11,47 @@ function pane_exec() {
 }
 
 function init_fingers_pane() {
-  local pane_id=`tmux new-window -P -d -n "!fingers" | cut -d: -f2`
-
+  local pane_id=`tmux new-window -F "#{pane_id}" -P -d -n "!fingers"`
   echo $pane_id
 }
 
+function capture_pane() {
+  local pane_id=$1
+  local out_path=$2
+  local pane_info=`tmux list-panes -s -F "#{pane_id}:#{pane_height}:#{scroll_position}:#{?pane_in_mode,1,0}" | grep "^$pane_id"`
+
+  local pane_height=`echo $pane_info | cut -d: -f2`
+  local pane_scroll_position=`echo $pane_info | cut -d: -f3`
+  local pane_in_copy_mode=`echo $pane_info | cut -d: -f4`
+
+  local start_capture=""
+
+  if [[ "$pane_in_copy_mode" == "1" ]]; then
+    start_capture=$((-$pane_scroll_position))
+    end_capture=$(($pane_height - $pane_scroll_position - 1))
+  else
+    start_capture=0
+    end_capture="-"
+  fi
+
+  tmux capture-pane -p -t $pane_id -E $end_capture -S $start_capture > $out_path
+}
+
 function prompt_fingers_for_pane() {
   local current_pane_id=$1
   local fingers_pane_id=`init_fingers_pane`
   local tmp_path=`mktemp --suffix "tmux-fingers"`
   wait
 
-  tmux capture-pane -p -t $current_pane_id > $tmp_path
+  capture_pane "$current_pane_id" "$tmp_path"
   pane_exec $fingers_pane_id "cat $tmp_path | $CURRENT_DIR/fingers.sh $current_pane_id $fingers_pane_id"
 
   tmux swap-pane -s $current_pane_id -t $fingers_pane_id
 
-  #rm $tmp_path
+  ##rm $tmp_path
 
   echo $fingers_pane_id
 }
 
-current_pane_id=`tmux list-panes | grep active | grep -oE ^[[:digit:]]+`
+current_pane_id=`tmux list-panes -F "#{pane_id}:#{?pane_active,active,nope}" | grep active | cut -d: -f1`
 fingers_pane_id=`prompt_fingers_for_pane $current_pane_id`
-
diff --git a/tmux-fingers.tmux b/tmux-fingers.tmux
index 9483463..d9212a7 100755
--- a/tmux-fingers.tmux
+++ b/tmux-fingers.tmux
@@ -1,4 +1,4 @@
 #!/usr/bin/env bash
 
 CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-tmux bind -n C-f run-shell "tmux capture-pane -p | $CURRENT_DIR/scripts/tmux-fingers.sh"
+tmux bind-key F run-shell "tmux capture-pane -p | $CURRENT_DIR/scripts/tmux-fingers.sh"