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#!/bin/bash
# Animwall a gtkdialog-desklet animated gif background widget.
# use with small file size animated gif's is recommended.
# Suitable as a wallpaper if a none active desktop is acceptable,
# as no icons or rightclick menus are accessible. 
# To use select an animated gif file of appropriate dimensions
# and file size, select "Start", this will resize the gif to 
# desktop dimensions and create a script /root/Startup/anim_wall
# and runs the script, widget runs at startup.
# Selecting "Stop" kills the process and removes anim_wall from /root/Startup
# Geoffrey 22/07/2020
ps   >  /tmp/anim_wall.run
	if grep -c 'program=ANIM_WALL_GUI' /tmp/anim_wall.run; then 
	rm -f /tmp/anim_wall.run
	exit 0
	fi
	rm -f /tmp/anim_wall.run
mkdir -p /root/.config/animwall	

STOP_ANIMWALL(){
kill `ps | grep program=ANIMWALL | grep -v grep | awk '{print $1}'`
exit 0  	
}
export -f  STOP_ANIMWALL

START_ANIMWALL(){
echo "#!/bin/sh
ps   >  /tmp/animwall.run
	if grep -c '"'program=ANIMWALL'"' /tmp/animwall.run; then 
	rm -f /tmp/animwall.run
	exit 0
	fi
	rm -f /tmp/animwall.run
export ANIMWALL='<window margin="'"0"'" decorated="'"false"'" skip-taskbar-hint="'"true"'">
<pixmap><input file>/root/.config/animwall/anim.gif</input></pixmap>
</window>'  
gtkdialog-desklet --center --program=ANIMWALL " > /root/Startup/anim_wall
chmod a+x /root/Startup/anim_wall
exit 0  	
}
export -f  START_ANIMWALL

export RES=`xdpyinfo | grep dimensions | awk '{print $2}'`
CREATE(){
	gifsicle -i --resize $RES < $GIF > /root/.config/animwall/anim.gif
	gifsicle -i --resize-height 256 < $GIF > /root/.config/animwall/preview.gif
exit 0  	
}
export -f  	CREATE

export ANIM_WALL_GUI='	
<window title="Animwall Desktop Widget" image-name="/usr/share/pixmaps/preferences-desktop-wallpaper.png" resizable="false" decorated="true">
  <vbox spacing="0">
    <pixmap>
    <variable>IMAGE</variable>
    <input file>/root/.config/animwall/preview.gif</input>
    </pixmap>
    <hbox><text xalign="1" use-markup="true" width-chars="16"><label>Animated Gif</label></text>
	<entry fs-action="newfile" 
					fs-filters="*.gif"
					fs-title="Select an animated gif">
					<variable>GIF</variable>
	</entry>
	<button relief="2" tooltip-text="Select an animated gif" use-underline="true">
	<input file stock="gtk-open"></input>
	<action type="refresh">IMAGE</action>
	<action>fileselect:GIF</action>
	<action>CREATE</action>
    <action type="refresh">IMAGE</action>
    </button>
 	</hbox>
	<hbox space-fill="true" expand="true" homogeneous="true">
	<button use-underline="true">
		<label>'"▶ _Start"'</label>
		<action>STOP_ANIMWALL</action>
		<action>START_ANIMWALL</action>
		<action>/root/Startup/anim_wall &</action>
	</button>
	<button use-underline="true">
		<label>'"■ _Stop"'</label>
		<action>STOP_ANIMWALL</action>
		<action>rm -f /root/Startup/anim_wall</action>
	</button>
	<button use-underline="true">
		<label>✖ _Quit</label>
	</button>
	</hbox>
  </vbox> 
</window>'
gtkdialog --center --program=ANIM_WALL_GUI
exit 0