ZIm/crates/vim2/src/normal/change.rs
2023-12-11 15:06:33 -07:00

502 lines
14 KiB
Rust

use crate::{motion::Motion, object::Object, state::Mode, utils::copy_selections_content, Vim};
use editor::{
char_kind,
display_map::DisplaySnapshot,
movement::{self, FindRange, TextLayoutDetails},
scroll::autoscroll::Autoscroll,
CharKind, DisplayPoint,
};
use gpui::WindowContext;
use language::Selection;
pub fn change_motion(vim: &mut Vim, motion: Motion, times: Option<usize>, cx: &mut WindowContext) {
// Some motions ignore failure when switching to normal mode
let mut motion_succeeded = matches!(
motion,
Motion::Left
| Motion::Right
| Motion::EndOfLine { .. }
| Motion::Backspace
| Motion::StartOfLine { .. }
);
vim.update_active_editor(cx, |editor, cx| {
let text_layout_details = editor.text_layout_details(cx);
editor.transact(cx, |editor, cx| {
// We are swapping to insert mode anyway. Just set the line end clipping behavior now
editor.set_clip_at_line_ends(false, cx);
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
motion_succeeded |= if let Motion::NextWordStart { ignore_punctuation } = motion
{
expand_changed_word_selection(
map,
selection,
times,
ignore_punctuation,
&text_layout_details,
)
} else {
motion.expand_selection(map, selection, times, false, &text_layout_details)
};
});
});
copy_selections_content(editor, motion.linewise(), cx);
editor.insert("", cx);
});
});
if motion_succeeded {
vim.switch_mode(Mode::Insert, false, cx)
} else {
vim.switch_mode(Mode::Normal, false, cx)
}
}
pub fn change_object(vim: &mut Vim, object: Object, around: bool, cx: &mut WindowContext) {
let mut objects_found = false;
vim.update_active_editor(cx, |editor, cx| {
// We are swapping to insert mode anyway. Just set the line end clipping behavior now
editor.set_clip_at_line_ends(false, cx);
editor.transact(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
objects_found |= object.expand_selection(map, selection, around);
});
});
if objects_found {
copy_selections_content(editor, false, cx);
editor.insert("", cx);
}
});
});
if objects_found {
vim.switch_mode(Mode::Insert, false, cx);
} else {
vim.switch_mode(Mode::Normal, false, cx);
}
}
// From the docs https://vimdoc.sourceforge.net/htmldoc/motion.html
// Special case: "cw" and "cW" are treated like "ce" and "cE" if the cursor is
// on a non-blank. This is because "cw" is interpreted as change-word, and a
// word does not include the following white space. {Vi: "cw" when on a blank
// followed by other blanks changes only the first blank; this is probably a
// bug, because "dw" deletes all the blanks}
fn expand_changed_word_selection(
map: &DisplaySnapshot,
selection: &mut Selection<DisplayPoint>,
times: Option<usize>,
ignore_punctuation: bool,
text_layout_details: &TextLayoutDetails,
) -> bool {
if times.is_none() || times.unwrap() == 1 {
let scope = map
.buffer_snapshot
.language_scope_at(selection.start.to_point(map));
let in_word = map
.chars_at(selection.head())
.next()
.map(|(c, _)| char_kind(&scope, c) != CharKind::Whitespace)
.unwrap_or_default();
if in_word {
selection.end =
movement::find_boundary(map, selection.end, FindRange::MultiLine, |left, right| {
let left_kind = char_kind(&scope, left).coerce_punctuation(ignore_punctuation);
let right_kind =
char_kind(&scope, right).coerce_punctuation(ignore_punctuation);
left_kind != right_kind && left_kind != CharKind::Whitespace
});
true
} else {
Motion::NextWordStart { ignore_punctuation }.expand_selection(
map,
selection,
None,
false,
&text_layout_details,
)
}
} else {
Motion::NextWordStart { ignore_punctuation }.expand_selection(
map,
selection,
times,
false,
&text_layout_details,
)
}
}
#[cfg(test)]
mod test {
use indoc::indoc;
use crate::test::NeovimBackedTestContext;
#[gpui::test]
async fn test_change_h(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await.binding(["c", "h"]);
cx.assert("Teˇst").await;
cx.assert("Tˇest").await;
cx.assert("ˇTest").await;
cx.assert(indoc! {"
Test
ˇtest"})
.await;
}
#[gpui::test]
async fn test_change_backspace(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx)
.await
.binding(["c", "backspace"]);
cx.assert("Teˇst").await;
cx.assert("Tˇest").await;
cx.assert("ˇTest").await;
cx.assert(indoc! {"
Test
ˇtest"})
.await;
}
#[gpui::test]
async fn test_change_l(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await.binding(["c", "l"]);
cx.assert("Teˇst").await;
cx.assert("Tesˇt").await;
}
#[gpui::test]
async fn test_change_w(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await.binding(["c", "w"]);
cx.assert("Teˇst").await;
cx.assert("Tˇest test").await;
cx.assert("Testˇ test").await;
cx.assert(indoc! {"
Test teˇst
test"})
.await;
cx.assert(indoc! {"
Test tesˇt
test"})
.await;
cx.assert(indoc! {"
Test test
ˇ
test"})
.await;
let mut cx = cx.binding(["c", "shift-w"]);
cx.assert("Test teˇst-test test").await;
}
#[gpui::test]
async fn test_change_e(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await.binding(["c", "e"]);
cx.assert("Teˇst Test").await;
cx.assert("Tˇest test").await;
cx.assert(indoc! {"
Test teˇst
test"})
.await;
cx.assert(indoc! {"
Test tesˇt
test"})
.await;
cx.assert(indoc! {"
Test test
ˇ
test"})
.await;
let mut cx = cx.binding(["c", "shift-e"]);
cx.assert("Test teˇst-test test").await;
}
#[gpui::test]
async fn test_change_b(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await.binding(["c", "b"]);
cx.assert("Teˇst Test").await;
cx.assert("Test ˇtest").await;
cx.assert("Test1 test2 ˇtest3").await;
cx.assert(indoc! {"
Test test
ˇtest"})
.await;
cx.assert(indoc! {"
Test test
ˇ
test"})
.await;
let mut cx = cx.binding(["c", "shift-b"]);
cx.assert("Test test-test ˇtest").await;
}
#[gpui::test]
async fn test_change_end_of_line(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await.binding(["c", "$"]);
cx.assert(indoc! {"
The qˇuick
brown fox"})
.await;
cx.assert(indoc! {"
The quick
ˇ
brown fox"})
.await;
}
#[gpui::test]
async fn test_change_0(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
cx.assert_neovim_compatible(
indoc! {"
The qˇuick
brown fox"},
["c", "0"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The quick
ˇ
brown fox"},
["c", "0"],
)
.await;
}
#[gpui::test]
async fn test_change_k(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brown ˇfox
jumps over"},
["c", "k"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brown fox
jumps ˇover"},
["c", "k"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The qˇuick
brown fox
jumps over"},
["c", "k"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
ˇ
brown fox
jumps over"},
["c", "k"],
)
.await;
}
#[gpui::test]
async fn test_change_j(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brown ˇfox
jumps over"},
["c", "j"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brown fox
jumps ˇover"},
["c", "j"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The qˇuick
brown fox
jumps over"},
["c", "j"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brown fox
ˇ"},
["c", "j"],
)
.await;
}
#[gpui::test]
async fn test_change_end_of_document(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brownˇ fox
jumps over
the lazy"},
["c", "shift-g"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brownˇ fox
jumps over
the lazy"},
["c", "shift-g"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brown fox
jumps over
the lˇazy"},
["c", "shift-g"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brown fox
jumps over
ˇ"},
["c", "shift-g"],
)
.await;
}
#[gpui::test]
async fn test_change_gg(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brownˇ fox
jumps over
the lazy"},
["c", "g", "g"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The quick
brown fox
jumps over
the lˇazy"},
["c", "g", "g"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
The qˇuick
brown fox
jumps over
the lazy"},
["c", "g", "g"],
)
.await;
cx.assert_neovim_compatible(
indoc! {"
ˇ
brown fox
jumps over
the lazy"},
["c", "g", "g"],
)
.await;
}
#[gpui::test]
async fn test_repeated_cj(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
for count in 1..=5 {
cx.assert_binding_matches_all(
["c", &count.to_string(), "j"],
indoc! {"
ˇThe quˇickˇ browˇn
ˇ
ˇfox ˇjumpsˇ-ˇoˇver
ˇthe lazy dog
"},
)
.await;
}
}
#[gpui::test]
async fn test_repeated_cl(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
for count in 1..=5 {
cx.assert_binding_matches_all(
["c", &count.to_string(), "l"],
indoc! {"
ˇThe quˇickˇ browˇn
ˇ
ˇfox ˇjumpsˇ-ˇoˇver
ˇthe lazy dog
"},
)
.await;
}
}
#[gpui::test]
async fn test_repeated_cb(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
for count in 1..=5 {
for marked_text in cx.each_marked_position(indoc! {"
ˇThe quˇickˇ browˇn
ˇ
ˇfox ˇjumpsˇ-ˇoˇver
ˇthe lazy dog
"})
{
cx.assert_neovim_compatible(&marked_text, ["c", &count.to_string(), "b"])
.await;
}
}
}
#[gpui::test]
async fn test_repeated_ce(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
for count in 1..=5 {
cx.assert_binding_matches_all(
["c", &count.to_string(), "e"],
indoc! {"
ˇThe quˇickˇ browˇn
ˇ
ˇfox ˇjumpsˇ-ˇoˇver
ˇthe lazy dog
"},
)
.await;
}
}
}