support prefilling prompt (#2459)

* support prefilling prompt

* introduce with_line builder method in Prompt

* extract show_prompt

* use textobject_word as fallback input

1 files changed, 7 insertions, 0 deletions

diff --git a/helix-term/src/ui/prompt.rs b/helix-term/src/ui/prompt.rs
index 36ee62c3..6e7df907 100644
--- a/helix-term/src/ui/prompt.rs
+++ b/helix-term/src/ui/prompt.rs
@@ -84,6 +84,13 @@ impl Prompt {
         }
     }
 
+    pub fn with_line(mut self, line: String) -> Self {
+        let cursor = line.len();
+        self.line = line;
+        self.cursor = cursor;
+        self
+    }
+
     pub fn line(&self) -> &String {
         &self.line
     }