46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
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use crate::state::{Direction, Granularity, State};
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/// A command is a function that takes the current state and a count, and does a side-effect on the
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/// state (usually by creating and applying a transaction).
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type Command = fn(state: &mut State, count: usize);
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fn move_char_left(state: &mut State, count: usize) {
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// TODO: use a transaction
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state.selection = state.move_selection(
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state.selection,
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Direction::Backward,
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Granularity::Character,
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count,
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);
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}
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fn move_char_right(state: &mut State, count: usize) {
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// TODO: use a transaction
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state.selection = state.move_selection(
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state.selection,
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Direction::Forward,
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Granularity::Character,
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count,
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);
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}
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fn move_line_up(state: &mut State, count: usize) {
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// TODO: use a transaction
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state.selection = state.move_selection(
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state.selection,
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Direction::Backward,
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Granularity::Line,
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count,
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);
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}
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fn move_line_down(state: &mut State, count: usize) {
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// TODO: use a transaction
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state.selection = state.move_selection(
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state.selection,
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Direction::Forward,
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Granularity::Line,
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count,
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);
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}
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