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@ -218,6 +218,26 @@ impl View {
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pub fn pos_at_screen_coords(&self, doc: &Document, row: u16, column: u16) -> Option<usize> {
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self.text_pos_at_screen_coords(&doc.text().slice(..), row, column, doc.tab_width())
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}
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/// Translates screen coordinates into coordinates on the gutter of the view.
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/// Returns a tuple of usize typed line and column numbers starting with 0.
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/// Returns None if coordinates are not on the gutter.
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pub fn gutter_coords_at_screen_coords(&self, row: u16, column: u16) -> Option<(usize, usize)> {
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// 1 for status
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if row < self.area.top() || row >= self.area.bottom() {
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return None;
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}
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if column < self.area.left() || column > self.area.right() {
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return None;
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}
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Some((
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(row - self.area.top()) as usize,
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(column - self.area.left()) as usize,
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))
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}
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// pub fn traverse<F>(&self, text: RopeSlice, start: usize, end: usize, fun: F)
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// where
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// F: Fn(usize, usize),
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