Implement new axzsh_is_dumb_terminal() function, and use it

[ax-zsh.git] / core / 10_terminal / 10_terminal.zshrc

diff --git a/core/10_terminal/10_terminal.zshrc b/core/10_terminal/10_terminal.zshrc
index 7a5538db88f81e50ae45129fd48bd7beaa834acb..88b8f0460915f9e3c9c92ec742ff71fa25240e15 100644 (file)
--- a/core/10_terminal/10_terminal.zshrc
+++ b/core/10_terminal/10_terminal.zshrc
@@ -1,23 +1,107 @@
 # AX-ZSH: Alex' Modular ZSH Configuration
 # 10_terminal.zshrc: Initialize terminal settings
 
+# Common helper functions
+
+# Check if terminal supports Unicode.
+# <https://wiki.grml.org/doku.php?id=utf8>
+function axzsh_is_utf_terminal {
+       case "$LANG $CHARSET $LANGUAGE" in
+               (*utf*) return 0 ;;
+               (*UTF*) return 0 ;;
+               (*) return 1 ;;
+       esac
+}
+alias isutfenv=axzsh_is_utf_terminal
+
+# Test for "modern" terminal
+function axzsh_is_modern_terminal {
+       [[ "$TERM" = screen* ]] && return 0
+       [[ "$TERM" = tmux* ]] && return 0
+       [[ "$TERM" = xterm* ]] && return 0
+       return 1
+}
+
+# Test for "dumb" terminal
+function axzsh_is_dumb_terminal {
+       axzsh_is_modern_terminal && return 1
+       [[ "$TERM" = dumb* ]] && return 0
+       [[ "$TERM" = "vt52" ]] && return 0
+       return 1
+}
+
+# Resize terminal window (when possible)
+function axzsh_resize_terminal {
+       printf '\e[8;%d;%dt' "$2" "$1"
+}
+
 # Set terminal title
 
+# Set terminal "hardstatus" and "icon title"
+function axzsh_terminal_set_icon_title {
+       [[ "$TERM" == "screen"* ]] && printf '\ek%s\e\\' "$1"
+       printf '\e]1;%s\a' "$1"
+}
+
+# Set terminal window title
+function axzsh_terminal_set_window_title {
+       printf '\e]2;%s\a' "$1"
+}
+
+# Update terminal titles befor echoing the shell prompt
 function axzsh_terminal_title_precmd {
-       if [[ $TERM_PROGRAM == Apple_Terminal ]]; then
+       axzsh_is_modern_terminal || return
+       axzsh_terminal_set_icon_title 'zsh'
+       if [[ "$TERM_PROGRAM" == "Apple_Terminal" && "$TERM" != "screen"* ]]; then
+               axzsh_terminal_set_window_title "$LOGNAME@$SHORT_HOST"
+               # Update CWD in Terminal.app
                local url=$(echo "file://$HOSTNAME$PWD" | sed -e 's| |%20|g')
                printf '\e]7;%s\a' "$url"
-               printf '\e]0;%s\a' "$LOGNAME@$SHORT_HOST"
        else
-               printf '\e]0;%s\a' "$LOGNAME@$SHORT_HOST:$PWD"
+               axzsh_terminal_set_window_title "$LOGNAME@$SHORT_HOST:$PWD"
        fi
 }
 
 precmd_functions+=(axzsh_terminal_title_precmd)
 
+# Update terminal titles befor executing a command
+function axzsh_terminal_title_preexec {
+       axzsh_is_modern_terminal || return
+
+       local cmd="${1[(w)1]}"
+       local remote=""
+
+       case "$cmd" in
+         "mosh"*|"root"*|"ssh"*|"telnet"*)
+               remote=1
+               ;;
+       esac
+       if [[ "$TERM_PROGRAM" == "Apple_Terminal" ]]; then
+               # Apple Terminal.app ...
+               if [[ -n "$remote" ]]; then
+                       # Reset CWD for remote commands
+                       printf '\e]7;%s\a' ''
+               fi
+       fi
+       if [[ "$TERM_PROGRAM" == "iTerm.app" ]]; then
+               # iTerm.app ...
+               [[ -n "$cmd" ]] && TITLE_ADD=" – $cmd"
+       fi
+
+       axzsh_terminal_set_icon_title "$cmd"
+
+       [[ -z "$remote" ]] \
+               && axzsh_terminal_set_window_title "$LOGNAME@$SHORT_HOST$TITLE_ADD" \
+               || axzsh_terminal_set_window_title "$1"
+}
+
+preexec_functions+=(axzsh_terminal_title_preexec)
+
+axzsh_is_dumb_terminal && return 0
+
 # Colors
 
-autoload -U colors
+autoload -Uz colors
 colors
 
 # Text effects (FX)