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double prompt (#686)

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* double prompt

* prompt env var name
This commit is contained in:
Fernando Herrera
2022-01-06 12:57:55 +00:00
committed by GitHub
parent e44789556b
commit 8a0d2b4e32
3 changed files with 60 additions and 83 deletions
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37
crates/nu-cli/src/prompt.rs
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@ -10,7 +10,8 @@ use {
/// Nushell prompt definition
#[derive(Clone)]
pub struct NushellPrompt {
prompt_string: Option<String>,
left_prompt_string: Option<String>,
right_prompt_string: Option<String>,
default_prompt_indicator: String,
default_vi_insert_prompt_indicator: String,
default_vi_visual_prompt_indicator: String,
@ -26,7 +27,8 @@ impl Default for NushellPrompt {
impl NushellPrompt {
pub fn new() -> NushellPrompt {
NushellPrompt {
prompt_string: None,
left_prompt_string: None,
right_prompt_string: None,
default_prompt_indicator: "〉".to_string(),
default_vi_insert_prompt_indicator: ": ".to_string(),
default_vi_visual_prompt_indicator: "v ".to_string(),
@ -34,8 +36,12 @@ impl NushellPrompt {
}
}
pub fn update_prompt(&mut self, prompt_string: Option<String>) {
self.prompt_string = prompt_string;
pub fn update_prompt_left(&mut self, prompt_string: Option<String>) {
self.left_prompt_string = prompt_string;
}
pub fn update_prompt_right(&mut self, prompt_string: Option<String>) {
self.right_prompt_string = prompt_string;
}
pub fn update_prompt_indicator(&mut self, prompt_indicator_string: String) {
@ -56,13 +62,15 @@ impl NushellPrompt {
pub fn update_all_prompt_strings(
&mut self,
prompt_string: Option<String>,
left_prompt_string: Option<String>,
right_prompt_string: Option<String>,
prompt_indicator_string: String,
prompt_vi_insert_string: String,
prompt_vi_visual_string: String,
prompt_multiline_indicator_string: String,
) {
self.prompt_string = prompt_string;
self.left_prompt_string = left_prompt_string;
self.right_prompt_string = right_prompt_string;
self.default_prompt_indicator = prompt_indicator_string;
self.default_vi_insert_prompt_indicator = prompt_vi_insert_string;
self.default_vi_visual_prompt_indicator = prompt_vi_visual_string;
@ -75,12 +83,21 @@ impl NushellPrompt {
}
impl Prompt for NushellPrompt {
fn render_prompt(&self, width: usize) -> Cow<str> {
if let Some(prompt_string) = &self.prompt_string {
fn render_prompt_left(&self) -> Cow<str> {
if let Some(prompt_string) = &self.left_prompt_string {
prompt_string.into()
} else {
let default = DefaultPrompt::new(1);
default.render_prompt(width).to_string().into()
let default = DefaultPrompt::new();
default.render_prompt_left().to_string().into()
}
}
fn render_prompt_right(&self) -> Cow<str> {
if let Some(prompt_string) = &self.right_prompt_string {
prompt_string.into()
} else {
let default = DefaultPrompt::new();
default.render_prompt_right().to_string().into()
}
}