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Diffstat (limited to 'helix-core/src/selection.rs')
| -rw-r--r-- | helix-core/src/selection.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/helix-core/src/selection.rs b/helix-core/src/selection.rs index 18af4d08..f3b5d2c8 100644 --- a/helix-core/src/selection.rs +++ b/helix-core/src/selection.rs @@ -362,6 +362,11 @@ impl Selection { /// Adds a new range to the selection and makes it the primary range. pub fn remove(mut self, index: usize) -> Self { + assert!( + self.ranges.len() > 1, + "can't remove the last range from a selection!" + ); + self.ranges.remove(index); if index < self.primary_index || self.primary_index == self.ranges.len() { self.primary_index -= 1; @@ -369,6 +374,12 @@ impl Selection { self } + /// Replace a range in the selection with a new range. + pub fn replace(mut self, index: usize, range: Range) -> Self { + self.ranges[index] = range; + self.normalize() + } + /// Map selections over a set of changes. Useful for adjusting the selection position after /// applying changes to a document. pub fn map(self, changes: &ChangeSet) -> Self { |