Now using xfce4-appfinder for $mod+d. Made floating and added some

transparency to it.

compton/compton.conf

@@ -61,6 +61,7 @@ opacity-rule = [
 #"99:name *?= 'dropdown-terminal'",
 #"93:class_g = 'URxvt' && !_NET_WM_STATE@:32a",
 ##"0:_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'",
+"80:class_g = 'Xfce4-appfinder'",
 "90:name = 'alttab'",
 "80:class_g = 'copyq'",
 "99:_NET_WM_STATE@:32a *= '_NET_WM_STATE_STICKY'"

i3/config

@@ -74,8 +74,8 @@ bindsym $mod+Shift+q kill
 
 # start program launcher
 #bindsym $mod+d exec --no-startup-id dmenu_recency
-#exec --no-startup-id kupfer
-bindsym $mod_next+d exec --no-startup-id "rofi -show-icons -modi windowcd,window,drun -show drun"
+#bindsym $mod_next+d exec --no-startup-id "rofi -show-icons -modi windowcd,window,drun -show drun"
+bindsym $mod_next+d exec --no-startup-id "xfce4-appfinder"
 bindsym $mod_next+Tab exec --no-startup-id "rofi -show-icons -modi windowcd,window,drun -show window"
 
 # launch categorized menu