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-rw-r--r--helix-view/src/prompt.rs38
1 files changed, 20 insertions, 18 deletions
diff --git a/helix-view/src/prompt.rs b/helix-view/src/prompt.rs
index beb5e76d..749e54d2 100644
--- a/helix-view/src/prompt.rs
+++ b/helix-view/src/prompt.rs
@@ -39,7 +39,7 @@ impl Prompt {
}
pub fn move_char_left(&mut self) {
- if self.cursor > 1 {
+ if self.cursor > 0 {
self.cursor -= 1;
}
}
@@ -68,23 +68,25 @@ impl Prompt {
}
pub fn change_completion_selection(&mut self) {
- self.completion_selection_index = self
- .completion_selection_index
- .map(|i| {
- if i == self.completion.as_ref().unwrap().len() - 1 {
- 0
- } else {
- i + 1
- }
- })
- .or(Some(0));
- self.line = String::from(
- self.completion
- .as_ref()
- .unwrap()
- .get(self.completion_selection_index.unwrap())
- .unwrap(),
- );
+ if self.completion.is_some() {
+ self.completion_selection_index = self
+ .completion_selection_index
+ .map(|i| {
+ if i == self.completion.as_ref().unwrap().len() - 1 {
+ 0
+ } else {
+ i + 1
+ }
+ })
+ .or(Some(0));
+ self.line = String::from(
+ self.completion
+ .as_ref()
+ .unwrap()
+ .get(self.completion_selection_index.unwrap())
+ .unwrap(),
+ );
+ }
}
pub fn exit_selection(&mut self) {