Stops the terminal sending focus events when process is running

shells/zsh/includes/focus.zsh

@@ -1,11 +1,11 @@
 #Gain focus
-
 gain_focus(){
 	export HASFOCUS="true"
 	set_prompts
 	zle reset-prompt
 }
 zle -N gain_focus
+bindkey '\033[I' gain_focus # Gain Focus
 
 loose_focus(){
 	export HASFOCUS="false"
@@ -13,10 +13,21 @@ loose_focus(){
 	zle reset-prompt
 }
 zle -N loose_focus
+bindkey '\033[O' loose_focus # Loose Focus
 
+# Stop terminal from sending focus events before a process runs
+# This eliviates the issue of getting weird characters when a read (or similar) prompt is visible
+dont_listen_for_focus(){
+	printf '\033[?1004l'
+}
+add-zsh-hook preexec dont_listen_for_focus
 
+# Make the terminal send focus events again when the prompt is being drawn
+# This almost works, although, if a long running process finishes in the background, that terminal will still look like it has focus
+listen_for_focus(){
 	# This makes sc (and maybe other terminals?) send escape codes to the shell when focus is gained / lost
 	printf '\033[?1004h'
-bindkey '\033[I' gain_focus # Gain Focus
-bindkey '\033[O' loose_focus # Loose Focus
+}
+add-zsh-hook precmd listen_for_focus
+
 HASFOCUS="true"