zsh: update

.config/zsh/lib/term.zsh

@@ -1,5 +1,6 @@
 #!/bin/zsh
 
+typeset -gA ZSHU_TERM
 typeset -Uga ZSHU_TERM_MISSING
 
 z-ti-test() {
@@ -16,3 +17,136 @@ z-ti-test() {
 
     return $r
 }
+
+case "${TERM}" in
+xterm* | putty* | rxvt* | konsole* | mlterm* | alacritty* | foot* | contour* )
+    ZSHU_TERM[has_title_tab]=1
+    ZSHU_TERM[has_title_wnd]=1
+    ZSHU_TERM[want_cwd]=1
+
+    ZSHU_TERM[title_tab]=term
+    ZSHU_TERM[title_wnd]=term
+;;
+st* | wezterm* )
+    ZSHU_TERM[has_title_tab]=1
+    ZSHU_TERM[has_title_wnd]=1
+
+    ZSHU_TERM[title_tab]=term
+    ZSHU_TERM[title_wnd]=term
+;;
+cygwin | ansi )
+    ZSHU_TERM[has_title_tab]=1
+    ZSHU_TERM[has_title_wnd]=1
+
+    ZSHU_TERM[title_tab]=term
+    ZSHU_TERM[title_wnd]=term
+;;
+screen* | tmux* )
+    ZSHU_TERM[has_title_tab]=1
+    ZSHU_TERM[want_cwd]=1
+
+    ZSHU_TERM[title_tab]=mux
+;;
+* )
+    if z-ti-test fsl tsl ; then
+        ZSHU_TERM[has_title_tab]=1
+        ZSHU_TERM[want_cwd]=1
+
+        ZSHU_TERM[title_tab]=terminfo
+    fi
+;;
+esac
+
+z-term-title-tab() {
+    # [ "${ZSHU_TERM[has_title_tab]}" = 1 ] || return 1
+
+    case "${ZSHU_TERM[title_tab]:-}" in
+    term )
+        print -Pn "\e]1;${1:q}\a"
+    ;;
+    mux )
+        ## screen/tmux: hardstatus
+        print -Pn "\ek${1:q}\e\\"
+    ;;
+    terminfo )
+        echoti tsl
+        print -Pn "$1"
+        echoti fsl
+    ;;
+    esac
+}
+
+z-term-title-window() {
+    # [ "${ZSHU_TERM[has_title_wnd]}" = 1 ] || return 1
+
+    case "${ZSHU_TERM[title_wnd]:-}" in
+    term )
+        print -Pn "\e]2;${1:q}\a"
+    ;;
+    esac
+}
+
+z-term-title() {
+    ## if $2 is unset use $1 as default
+    ## if it is set and empty, leave it as is
+    : ${2=$1}
+
+    z-term-title-tab "$1"
+    z-term-title-window "$2"
+}
+
+z-term-cwd() {
+    [ "${ZSHU_TERM[want_cwd]}" = 1 ] || return 1
+
+    local host path
+    host=${HOST:-localhost}
+    path=${PWD}
+
+    ## Konsole doesn't want ${host}
+    while : ; do
+        [ -n "${KONSOLE_DBUS_SERVICE}" ] || break
+        [ -n "${KONSOLE_DBUS_SESSION}" ] || break
+        [ -n "${KONSOLE_DBUS_WINDOW}" ] || break
+        [ -n "${KONSOLE_PROFILE_NAME}" ] || break
+        host=
+    break ; done
+
+    printf "\e]7;file://%s%s\e\\" "${host}" "${path}"
+}
+
+if autoload -Uz add-zsh-hook ; then
+
+ZSHU[term_title]=1
+z-term-title-enable()  { ZSHU[term_title]=1 ; }
+z-term-title-disable() { ZSHU[term_title]=0 ; }
+
+ZSHU[title_tab]='%15<..<%~%<<'
+ZSHU[title_wnd]='%n@%m:%~'
+__z_term_title_precmd() {
+    [ "${ZSHU[term_title]}" = 1 ] || return
+    z-term-title "${ZSHU[title_tab]}" "${ZSHU[title_wnd]}"
+}
+add-zsh-hook precmd  __z_term_title_precmd
+
+ZSHU[term_cwd]=1
+z-term-cwd-enable()  { ZSHU[term_cwd]=1 ; }
+z-term-cwd-disable() { ZSHU[term_cwd]=0 ; }
+
+__z_term_cwd_precmd() {
+    [ "${ZSHU[term_cwd]}" = 1 ] || return
+    z-term-cwd
+}
+## "chpwd" doesn't always hook pwd changes
+add-zsh-hook precmd  __z_term_cwd_precmd
+
+else
+
+echo "current working directory and tab/window title handling is disabled due to missing hook support" >&2
+
+z-term-title-enable()  { __z_unsupported ; }
+z-term-title-disable() { __z_unsupported ; }
+
+z-term-cwd-enable()  { __z_unsupported ; }
+z-term-cwd-disable() { __z_unsupported ; }
+
+fi