1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
use crate::state::{Direction, Granularity, State};
/// A command is a function that takes the current state and a count, and does a side-effect on the
/// state (usually by creating and applying a transaction).
type Command = fn(state: &mut State, count: usize);
fn move_char_left(state: &mut State, count: usize) {
// TODO: use a transaction
state.selection = state.move_selection(
state.selection,
Direction::Backward,
Granularity::Character,
count,
);
}
fn move_char_right(state: &mut State, count: usize) {
// TODO: use a transaction
state.selection = state.move_selection(
state.selection,
Direction::Forward,
Granularity::Character,
count,
);
}
fn move_line_up(state: &mut State, count: usize) {
// TODO: use a transaction
state.selection = state.move_selection(
state.selection,
Direction::Backward,
Granularity::Line,
count,
);
}
fn move_line_down(state: &mut State, count: usize) {
// TODO: use a transaction
state.selection = state.move_selection(
state.selection,
Direction::Forward,
Granularity::Line,
count,
);
}
|
