add POWERLEVEL9K_VIRTUALENV_GENERIC_NAMES; closes #350

internal/p10k.zsh

@@ -3094,7 +3094,9 @@ prompt_virtualenv() {
   if (( _POWERLEVEL9K_VIRTUALENV_SHOW_PYTHON_VERSION )) && _p9k_python_version; then
     msg="${_p9k_ret//\%/%%} "
   fi
-  msg+="$_POWERLEVEL9K_VIRTUALENV_LEFT_DELIMITER${${VIRTUAL_ENV:t}//\%/%%}$_POWERLEVEL9K_VIRTUALENV_RIGHT_DELIMITER"
+  local v=${VIRTUAL_ENV:t}
+  (( _POWERLEVEL9K_VIRTUALENV_GENERIC_NAMES[(I)$v] )) && v=${VIRTUAL_ENV:h:t}
+  msg+="$_POWERLEVEL9K_VIRTUALENV_LEFT_DELIMITER${v//\%/%%}$_POWERLEVEL9K_VIRTUALENV_RIGHT_DELIMITER"
   _p9k_prompt_segment "$0" "blue" "$_p9k_color1" 'PYTHON_ICON' 0 '' "$msg"
 }
 
@@ -4838,6 +4840,7 @@ _p9k_init_params() {
   _p9k_declare -b POWERLEVEL9K_VIRTUALENV_SHOW_PYTHON_VERSION 1
   _p9k_declare -e POWERLEVEL9K_VIRTUALENV_LEFT_DELIMITER "("
   _p9k_declare -e POWERLEVEL9K_VIRTUALENV_RIGHT_DELIMITER ")"
+  _p9k_declare -a POWERLEVEL9K_VIRTUALENV_GENERIC_NAMES -- virtualenv venv .venv
   _p9k_declare -b POWERLEVEL9K_PYENV_PROMPT_ALWAYS_SHOW 0
   _p9k_declare -b POWERLEVEL9K_NODEENV_SHOW_NODE_VERSION 1
   _p9k_declare -e POWERLEVEL9K_NODEENV_LEFT_DELIMITER "["
@@ -5324,7 +5327,7 @@ _p9k_must_init() {
     [[ $sig == $_p9k__param_sig ]] && return 1
     _p9k_deinit
   fi
-  _p9k__param_pat=$'v9\1'${ZSH_VERSION}$'\1'${ZSH_PATCHLEVEL}$'\1'
+  _p9k__param_pat=$'v10\1'${ZSH_VERSION}$'\1'${ZSH_PATCHLEVEL}$'\1'
   _p9k__param_pat+=$'${#parameters[(I)POWERLEVEL9K_*]}\1${(%):-%n%#}\1$GITSTATUS_LOG_LEVEL\1'
   _p9k__param_pat+=$'$GITSTATUS_ENABLE_LOGGING\1$GITSTATUS_DAEMON\1$GITSTATUS_NUM_THREADS\1'
   _p9k__param_pat+=$'$DEFAULT_USER\1${ZLE_RPROMPT_INDENT:-1}\1$P9K_SSH\1$__p9k_ksh_arrays'