feat(tmux): add popup session for vimwiki

changes:
    + moved tmux config to .config/tmux
    + add bash script (wiki.sh) to open a tmux session
      in popup.

.config/tmux/scripts/wiki.sh

@@ -0,0 +1,47 @@
+#!/bin/sh
+
+# Script to open Vimwiki dir in tmux popup
+
+# exit if tmux not running
+# -z checks if len of string is zero
+# $TMX variable is automatically set if tmux server is running
+[ -z "$TMUX" ] && exit 1
+
+SESSION="wiki"
+
+if [ "$(tmux display-message -p -F "#{session_name}")" = "${SESSION}" ];then
+    echo "Detaching from ${SESSION}"
+    tmux detach-client # detach if already in the popup
+    tmux display-message "detached from session:${SESSION}"
+    exit 1
+fi
+
+WINDOW="vimwiki"
+SESSION_EXISTS=0
+
+WIKI_INDEX_FILE="/d/dotfiles/wiki/vimwiki/index.md"
+
+open_wiki(){
+ echo "Creating wiki session..."
+# create a session if doesn't exist in a detached state
+ tmux new-session -d -s "${SESSION}" \;\
+      rename-window -t "${SESSION}:0" "${WINDOW}" \;\
+      split-window -t "${SESSION}:${WINDOW}.0" -h \;\
+      send-keys -t ${SESSION}:${WINDOW}.0 "vi ${WIKI_INDEX_FILE}" ENTER \;\
+       send-keys -t ${SESSION}:${WINDOW}.1 "cd \$(dirname ${WIKI_INDEX_FILE});clear" ENTER \;\
+      select-pane -t "${SESSION}:${WINDOW}.0" \;
+}
+
+tmux has-session -t "${SESSION}" &> /dev/null
+[ $? == 0 ] && SESSION_EXISTS=1
+[ ${SESSION_EXISTS} == 0 ] && open_wiki
+echo "Attaching to session 'wiki'"
+tmux display-message "Attaching to session:${SESSION}"
+tmux display-popup -E -h "80%" -w "80%" "tmux attach -t ${SESSION}"
+
+#tmux display-popup -E -h "80%" -w "80%" "tmux new-session -A -s ${SESSION} \;\
+                        #rename-window -t 0 \"${WINDOW}\" \;\
+                        #split-window -h \;\
+                        #select-pane -t 0 \;\
+                       #send-keys -t ${SESSION}.0 \"${VI_CMD}\" ENTER"
+

.tmux.conf → .config/tmux/tmux.conf

@@ -1,4 +1,10 @@
 set -s default-terminal 'xterm-256color'
+
+######################
+# Custom scripts
+######################
+bind-key N run-shell -b "bash ~/.config/tmux/scripts/wiki.sh"
+
 # credits : https://www.hamvocke.com/blog/a-guide-to-customizing-your-tmux-conf/
 ######################
 # Prefix
@@ -20,16 +26,19 @@ bind -n M-Right select-pane -R
 bind -n M-Up select-pane -U
 bind -n M-Down select-pane -D
 
+unbind-key l
+# by default used for last used window
 bind h select-pane -L
 bind l select-pane -R
 bind k select-pane -U
 bind j select-pane -D
 
+
 ######################
 # Source config
 ######################
 
-bind R source-file ~/.tmux.conf \; display-message "Reloading tmux config"
+bind R source-file ~/.config/tmux/tmux.conf \; display-message "Reloading tmux config"
 
 ######################
 # Mouse control
@@ -45,6 +54,7 @@ set -g mouse on
 ######################
 set-option -g allow-rename off
 set-window-option -g mode-keys vi
+bind L last-window
 ######################
 # Copy-Paste Mode
 ######################