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nu-explore/ Add handlers for HOME/END keys (#9666)

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close #9665

It could be good to run it though and see if it does what indented.
(I did but cause there's no test coverage for it it's better to recheck)

PS: Surely... this cursor logic much more complex then it shall be ...
the method names ....

cc: @fdncred

---------

Signed-off-by: Maxim Zhiburt <zhiburt@gmail.com>
This commit is contained in:
Maxim Zhiburt 2023-07-12 22:13:35 +03:00 committed by GitHub
parent 545697c0b2
commit b2043135ed
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 95 additions and 61 deletions
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67
crates/nu-explore/src/views/configuration.rs
View File

@ -118,6 +118,10 @@ impl ConfigurationView {
Some(&mut self.options[i].options[j])
}
fn get_cursor_mut(&mut self) -> &mut WindowCursor {
self.peeked_cursor.as_mut().unwrap_or(&mut self.cursor)
}
}
#[derive(Debug, Default)]
@ -245,52 +249,40 @@ impl View for ConfigurationView {
}
}
KeyCode::Up => {
match &mut self.peeked_cursor {
Some(cursor) => cursor.prev(1),
None => self.cursor.prev(1),
};
let cursor = self.get_cursor_mut();
cursor.prev(1);
if let Some((group, opt)) = self.peek_current() {
return Some(Transition::Cmd(build_tweak_cmd(group, opt)));
}
Some(Transition::Ok)
Some(transition_tweak_if(self))
}
KeyCode::Down => {
match &mut self.peeked_cursor {
Some(cursor) => cursor.next(1),
None => self.cursor.next(1),
};
let cursor = self.get_cursor_mut();
cursor.next(1);
if let Some((group, opt)) = self.peek_current() {
return Some(Transition::Cmd(build_tweak_cmd(group, opt)));
}
Some(Transition::Ok)
Some(transition_tweak_if(self))
}
KeyCode::PageUp => {
match &mut self.peeked_cursor {
Some(cursor) => cursor.prev_window(),
None => self.cursor.prev_window(),
};
let cursor = self.get_cursor_mut();
cursor.prev_window();
if let Some((group, opt)) = self.peek_current() {
return Some(Transition::Cmd(build_tweak_cmd(group, opt)));
}
Some(Transition::Ok)
Some(transition_tweak_if(self))
}
KeyCode::PageDown => {
match &mut self.peeked_cursor {
Some(cursor) => cursor.next_window(),
None => self.cursor.next_window(),
};
let cursor = self.get_cursor_mut();
cursor.next_window();
if let Some((group, opt)) = self.peek_current() {
return Some(Transition::Cmd(build_tweak_cmd(group, opt)));
Some(transition_tweak_if(self))
}
KeyCode::Home => {
let cursor = self.get_cursor_mut();
cursor.prev(cursor.index());
Some(Transition::Ok)
Some(transition_tweak_if(self))
}
KeyCode::End => {
let cursor = self.get_cursor_mut();
cursor.next(cursor.cap());
Some(transition_tweak_if(self))
}
KeyCode::Enter => {
if self.peeked_cursor.is_some() {
@ -299,7 +291,6 @@ impl View for ConfigurationView {
self.peeked_cursor = Some(WindowCursor::default());
let length = self.peek_current().expect("...").0.options.len();
self.peeked_cursor = WindowCursor::new(length, length);
let (group, opt) = self.peek_current().expect("...");
@ -428,3 +419,9 @@ fn render_list(
layout.push(&name, area.x, area.y, area.width, 1);
}
}
fn transition_tweak_if(view: &ConfigurationView) -> Transition {
view.peek_current().map_or(Transition::Ok, |(group, opt)| {
Transition::Cmd(build_tweak_cmd(group, opt))
})
}

2
crates/nu-explore/src/views/cursor/mod.rs
View File

@ -16,7 +16,7 @@ impl Cursor {
}
#[allow(dead_code)]
pub fn index(&self) -> usize {
pub fn get_index(&self) -> usize {
self.index
}

9
crates/nu-explore/src/views/cursor/xycursor.rs
View File

@ -67,6 +67,7 @@ impl XYCursor {
self.x.offset()
}
#[allow(dead_code)]
pub fn row_window_size(&self) -> usize {
self.y.window()
}
@ -88,6 +89,14 @@ impl XYCursor {
self.y.next_window()
}
pub fn row_move_to_end(&mut self) -> bool {
self.y.next(self.y.cap())
}
pub fn row_move_to_start(&mut self) -> bool {
self.y.prev(self.y.index())
}
pub fn prev_row(&mut self) -> bool {
self.y.prev(1)
}

52
crates/nu-explore/src/views/preview.rs
View File

@ -83,45 +83,37 @@ impl View for Preview {
}
KeyCode::Up => {
self.cursor.prev_row_i();
if self.cursor.row_starts_at() == 0 {
info.status = Some(Report::info("TOP"));
} else {
info.status = Some(Report::default());
}
set_status_top(self, info);
Some(Transition::Ok)
}
KeyCode::Down => {
if self.cursor.row() + self.cursor.row_window_size() < self.cursor.row_limit() {
self.cursor.next_row_i();
info.status = Some(Report::info("END"));
} else {
info.status = Some(Report::default());
}
set_status_end(self, info);
Some(Transition::Ok)
}
KeyCode::PageUp => {
self.cursor.prev_row_page();
if self.cursor.row_starts_at() == 0 {
info.status = Some(Report::info("TOP"));
} else {
info.status = Some(Report::default());
}
set_status_top(self, info);
Some(Transition::Ok)
}
KeyCode::PageDown => {
self.cursor.next_row_page();
set_status_end(self, info);
if self.cursor.row() + 1 == self.cursor.row_limit() {
info.status = Some(Report::info("END"));
} else {
info.status = Some(Report::default());
Some(Transition::Ok)
}
KeyCode::Home => {
self.cursor.row_move_to_start();
set_status_top(self, info);
Some(Transition::Ok)
}
KeyCode::End => {
self.cursor.row_move_to_end();
set_status_end(self, info);
Some(Transition::Ok)
}
@ -156,3 +148,19 @@ impl View for Preview {
}
}
}
fn set_status_end(view: &Preview, info: &mut ViewInfo) {
if view.cursor.row() + 1 == view.cursor.row_limit() {
info.status = Some(Report::info("END"));
} else {
info.status = Some(Report::default());
}
}
fn set_status_top(view: &Preview, info: &mut ViewInfo) {
if view.cursor.row_starts_at() == 0 {
info.status = Some(Report::info("TOP"));
} else {
info.status = Some(Report::default());
}
}

20
crates/nu-explore/src/views/record/mod.rs
View File

@ -503,6 +503,16 @@ fn handle_key_event_view_mode(view: &mut RecordView, key: &KeyEvent) -> Option<T
Some(Transition::Ok)
}
KeyCode::Home => {
view.get_layer_last_mut().cursor.row_move_to_start();
Some(Transition::Ok)
}
KeyCode::End => {
view.get_layer_last_mut().cursor.row_move_to_end();
Some(Transition::Ok)
}
_ => None,
}
}
@ -544,6 +554,16 @@ fn handle_key_event_cursor_mode(view: &mut RecordView, key: &KeyEvent) -> Option
Some(Transition::Ok)
}
KeyCode::Home => {
view.get_layer_last_mut().cursor.row_move_to_start();
Some(Transition::Ok)
}
KeyCode::End => {
view.get_layer_last_mut().cursor.row_move_to_end();
Some(Transition::Ok)
}
KeyCode::Enter => {
let value = view.get_current_value();
let is_record = matches!(value, Value::Record { .. });