#!/bin/bash
# Let any running instances of wmiirc know that we're starting
wmiir xwrite /event Start

. "$HOME/.wmii/include.sh"

echo ' ==> Starting wmiirc'
mount9p=/opt/plan9/bin/9pfuse
mkdir -p $WMII_NAMESPACE/mnt
$mount9p $WMII_NAMESPACE/{wmii,mnt}

MODKEY=Mod4 # super
UP=p
DOWN=n
LEFT=b
RIGHT=f

# Colors tuples: "<text> <background> <border>"
. `conffile theme-solarized-dark`

# Menu history
hist="`conffile history`"

# Tagging Rules
echo '/Emacs|Navigator/ -> +sel' >> $WMII_DIR/tagrules
echo '/Eclipse/ -> +sel' >> $WMII_DIR/tagrules
echo '/panel/ -> /.*/' >> $WMII_DIR/tagrules

Event() {
	event=$1; shift;
	case "$event" in
		## Mouse event meanings:
		##   MouseDown = mouse down
		##   Click     = mouse up
		##   DND       = hover, while dragging something (Drag 'n' Drop)
		##               The associated mouse button is always "1"
		##
		## Mouse-button IDs:
		##   1 = left
		##   2 = middle
		##   3 = right

		## WMII-meta events
		Quit) ## No args
			echo ' ==> Stopping wmiirc'
			echo "  -> unmounting WMII_DIR=$WMII_DIR..."
			# might complain about /etc/mtab if the x server has already stopped
			fusermount -u "$WMII_DIR" 2>>/dev/null
			echo "  -> rmdir'ing WMII_DIR=$WMII_DIR..."
			rmdir "$WMII_DIR";;
		Warning) ## $@=string
			notify-send "wmii warning: $*";;
		Key) ## $1=keystroke
			Key "$@";;

		## WMII Window management events
		FocusFloating) ## No args
			;;
		AreaFocus) ## $1=area
			;;
		DestroyArea) ## $1=area
			;;
		ColumnFocus) ## $1=column
			;;
		CreateColumn) ## $1=column
			;;

		## Client events
		CreateClient) ## $1=client
			;;
		DestroyClient) ## $1=client
			;;
		Urgent) ## $1=client $2=[Manager|Client]
			;;
		NotUrgent) ## $1=client $2=[Manager|Client]
			;;
		ClientMouseDown) ## $1=client $2=button
			client=$1
			button=$2
			case $button in
				1) ;;
				2) ;;
				3)
					{
						case `wmii9menu Delete Fullscreen` in
							Delete)
								echo kill |a $WMII_DIR/client/$client/ctl;;
							Fullscreen)
								echo Fullscreen on |a $WMII_DIR/client/$1/ctl;;
						esac
					}& ;;
			esac;;
		ClientClick) ## $1=client $2=button
			;;
		Unresponsive) ## $1=client
			client=$1
			client_name=`cat $WMII_DIR/client/$client/label`
			msg="The client \`${client_name}' is not responding."
			msg+=" What would you like to do?"
			{
				resp=$(wihack -transient $client \
					xmessage -nearmouse -buttons Kill,Wait -print "$msg")
				if [ "$resp" = Kill ]; then
					echo slay |a $WMII_DIR/client/$client/ctl
				fi
			}& ;;
		Fullscreen) ## $1=client $2=[on|off]
			# TODO: hide any clients with the 'panel' class
			;;

		## Tag events
		CreateTag) ## $1=tag
			echo "$WMII_NORMCOLORS"   $@ |a $WMII_DIR/lbar/$1;;
		DestroyTag) ## $1=tag
			rm $WMII_DIR/lbar/$1;;
		FocusTag) ## $1=tag
			echo "$WMII_FOCUSCOLORS"  $1 |a $WMII_DIR/lbar/$1;;
		UnfocusTag) ## $1=tag
			echo "$WMII_NORMCOLORS" $1 |a $WMII_DIR/lbar/$1;;
		UrgentTag) ## $1=tag $2=[Manager|Client]
			echo "$WMII_URGENTCOLORS" $1 |a $WMII_DIR/lbar/$1;;
		NotUrgentTag) ## $1=tag $2=[Manager|Client]
			echo "$WMII_NORMCOLORS" $1 |a $WMII_DIR/lbar/$1;;

		## LeftBar events (usually tag buttons)
		LeftBarMouseDown) ## $1=button $2=bar_item
			;;
		LeftBarClick) ## $1=button $2=bar_item
			shift # ignore the button
			echo view "$@" |a $WMII_DIR/ctl;;
		LeftMouseDND) ## $1=button $2=bar_item
			Event LeftBarClick "$@";;

		## RightBar events
		RightBarMouseDown) ## $1=button $2=bar_item
			;;
		RightBarClick) ## $1=button $2=bar_item
			;;
		RightMouseDND) ## $1=button $2=bar_item
			Event RightBarClick "$@";;

		## Custom (non-WMII-generated) events
		Start) ## No args
			Event Quit;; # get out of the way for a new event loop
	esac
} ## End Event

# Key Bindings
Key() {
	key=$1
	case "$key" in
		## Moving around

		$MODKEY-$LEFT) ## Select the client to the left
			echo select left |a $WMII_DIR/tag/sel/ctl;;
		$MODKEY-$RIGHT) ## Select the client to the right
			echo select right |a $WMII_DIR/tag/sel/ctl;;
		$MODKEY-$UP) ## Select the client above
			echo select up |a $WMII_DIR/tag/sel/ctl;;
		$MODKEY-$DOWN) ## Select the client below
			echo select down |a $WMII_DIR/tag/sel/ctl;;

		$MODKEY-space) ## Toggle between floating and managed layers
			echo select toggle |a $WMII_DIR/tag/sel/ctl;;

		## Moving clients around

		$MODKEY-Shift-$LEFT) ## Move selected client to the left
			wmiir xwrite /tag/sel/ctl send sel left;;
		$MODKEY-Shift-$RIGHT) ## Move selected client to the right
			wmiir xwrite /tag/sel/ctl send sel right;;
		$MODKEY-Shift-$UP) ## Move selected client up
			wmiir xwrite /tag/sel/ctl send sel up;;
		$MODKEY-Shift-$DOWN) ## Move selected client down
			wmiir xwrite /tag/sel/ctl send sel down;;

		$MODKEY-Shift-space) ## Toggle selected client between floating and managed layers
			wmiir xwrite /tag/sel/ctl send sel toggle;;

		## Moving through stacks
		$MODKEY-Control-$UP) ## Select the stack above
			wmiir xwrite /tag/sel/ctl select up stack;;
		$MODKEY-Control-$DOWN)  # Select the stack below
			wmiir xwrite /tag/sel/ctl select down stack;;

		## Client actions
		$MODKEY-shift-1) ## Toggle selected client's fullsceen state
			wmiir xwrite /client/sel/ctl Fullscreen toggle;;
		$MODKEY-shift-0) ## Close client
			wmiir xwrite /client/sel/ctl kill;;

		## Changing column modes
		$MODKEY-d) ## Set column to default mode
			wmiir xwrite /tag/sel/ctl colmode sel default-max;;
		$MODKEY-s) ## Set column to stack mode
			wmiir xwrite /tag/sel/ctl colmode sel stack-max;;
		$MODKEY-m) ## Set column to max mode
			wmiir xwrite /tag/sel/ctl colmode sel stack+max;;

		## Running programs
		$MODKEY-a) ## Open wmii actions menu
			Action $(path_ls $WMII_CONFPATH | wimenu -h "${hist}.actions" -n 5000) & ;;
		$MODKEY-x) ## Open program menu
			setsid $(wimenu -h "${hist}.progs" -n 5000 <$progsfile) & ;;
		$MODKEY-Return) ## Launch a terminal
			setsid x-terminal-emulator & ;;

		## Other
		$MODKEY-Control-t) ## Toggle all other key bindings
			case $(wmiir read /keys | wc -l | tr -d ' \t\n') in
				0|1)
					echo -n "$Keys" | wmiir write /keys
					wmiir xwrite /ctl grabmod $MODKEY;;
				*)
					wmiir xwrite /keys $MODKEY-Control-t
					wmiir xwrite /ctl grabmod Mod3;;
			esac;;

		## Tag actions
		$MODKEY-t) ## Change to another tag
			{
				tag=$(lstags | wimenu -h "${hist}.tags" -n 50) || return
				wmiir xwrite /ctl view $tag
			}& ;;
		$MODKEY-Shift-t) ## Retag the selected client
			sel=$(sed 1q $WMII_DIR/client/sel/ctl)
			{
				tag=$(lstags | wimenu -h "${hist}.tags" -n 50) || return
				wmiir xwrite /client/$sel/tags $tag
			}& ;;
	esac
} ## End Key

# WM Configuration
echo font        xft:Monospace-8   |a $WMII_DIR/ctl
echo focuscolors $WMII_FOCUSCOLORS |a $WMII_DIR/ctl
echo normcolors  $WMII_NORMCOLORS  |a $WMII_DIR/ctl
echo grabmod     $MODKEY           |a $WMII_DIR/ctl
echo border      1                 |a $WMII_DIR/ctl
xsetroot -solid "$WMII_BACKGROUND" &

progsfile=$WMII_NAMESPACE/.proglist
path_ls $PATH > $progsfile &

eval arg `scansection Key|cut -sf2` |a $WMII_DIR/keys

# Clear the LBar
find $WMII_DIR/lbar -type f -delete

# Emulate [Create|Focus]Tag events
seltag=`sed 1q $WMII_DIR/tag/sel/ctl`
lstags | while read tag; do
	Event CreateTag "$tag"
	if [ "$tag" = "$seltag" ]; then
		Event FocusTag "$tag"
	fi
done

Action autostart 2>/dev/null &

if [ -f "`conffile wmiirc_local`" ]; then
	. "`conffile wmiirc_local`"
fi

trap "Event Quit" EXIT

# use wmiir so it doesn't look like an open file
wmiir read /event 2>/dev/null | while read event; do
	Event $event
done