add 'grow' and 'shrink' commands for adjusting pane sizes

bunkdeck

@@ -1,6 +1,10 @@
 #!/bin/bash
 set -e
 
+heedPane="bunkdeck:0.0"
+proclaimPane="bunkdeck:0.1"
+shellPane="bunkdeck:0.2"
+
 function isExistingDeck {
 	set +e
 	sessions=$(tmux list-sessions)
@@ -16,16 +20,75 @@ function isExistingDeck {
 function startNewDeck {
 	tmux new -d -s bunkdeck heed
 	tmux split-window -h -t bunkdeck -p 70
-	tmux split-window -t bunkdeck:0.0 -v -p 10
-	tmux send-keys -t bunkdeck:0.1 'proclaim' C-m
-	tmux send-keys -t bunkdeck:0.2 'cowsay "press [CTRL+b then o] to cycle through panes"' C-m
-	tmux attach -t bunkdeck:0.2
+	tmux split-window -t $heedPane -v -p 3
+	tmux send-keys -t $proclaimPane 'proclaim' C-m
+	tmux send-keys -t $shellPane 'cowsay "press [CTRL+b then o] to cycle through panes"' C-m
+	# turn on pane titling
+	tmux select-pane -t $heedPane -T heed
+	tmux select-pane -t $proclaimPane -T proclaim
+	tmux select-pane -t $shellPane -T shell
+	tmux set -g set-titles on
+	# attach session to shell
+	tmux attach -t $shellPane
 }
 
 function killDeck {
 	tmux kill-session -t bunkdeck
 }
 
+function growPane {
+	case $2 in
+		shell)
+			tmux resize-pane -t $shellPane -L "$3"
+		;;
+		proclaim)
+			tmux resize-pane -t $proclaimPane -U "$3"
+		;;
+		heed)
+			tmux resize-pane -t $heedPane -D "$3"
+		;;
+		*)
+			echo "usage: bunkdeck grow [WINDOW] [SIZE]"
+			echo 
+			echo "windows:"
+			echo "  shell         horizontally grow the shell window"
+			echo "  proclaim      vertically grow the window where you send text"
+			echo "  heed          vertically grow the window where you read texts"
+		       	echo
+			echo "size:"
+			echo "  number of cells to grow the selected window"
+			exit 1
+		;;
+	esac
+}
+
+function shrinkPane {
+	case $2 in
+		shell)
+			tmux resize-pane -t $shellPane -R "$3"
+		;;
+		proclaim)
+			tmux resize-pane -t $proclaimPane -D "$3"
+		;;
+		heed)
+			tmux resize-pane -t $heedPane -U "$3"
+		;;
+		*)
+			echo "usage: bunkdeck shrink [WINDOW] [SIZE]"
+			echo 
+			echo "windows:"
+			echo "  shell         horizontally shrink the shell window"
+			echo "  proclaim      vertically shrink the window where you send text"
+			echo "  heed          vertically shrink the window where you read texts"
+		       	echo
+			echo "size:"
+			echo "  number of cells to shrink the selected window"
+			exit 1
+		;;
+	esac
+}
+
+
 case $1 in
 
 	kill)
@@ -38,12 +101,21 @@ case $1 in
 			startNewDeck
 		fi
 	;;
+	grow)
+		growPane "$@"
+	;;
+	shrink)
+		shrinkPane "$@"
+	;;
 	*)
 		echo "usage: bunkdeck [COMMAND]"
 		echo
 		echo "commands:"
 		echo "  (none)      attach to existing bunkdeck or start new one"
 		echo "  kill        kill running bunkdeck"
+		echo "  grow        grow the size of a bunkdeck window"
+		echo "  shrink      shrink the size of a bunkdeck window"
 		exit 1
   	;;
 esac
+