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Move cursor to prev/next sibling

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This commit is contained in:
Joscha 2022-08-09 15:44:35 +02:00
parent d65183e0ae
commit a4b79d4e81
3 changed files with 52 additions and 62 deletions
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3
src/ui/chat/tree.rs
View file

@ -67,6 +67,7 @@ impl<M: Msg, S: MsgStore<M>> InnerTreeViewState<M, S> {
pub fn list_movement_key_bindings(&self, bindings: &mut KeyBindingsList) {
bindings.binding("j/k, ↓/↑", "move cursor up/down");
bindings.binding("J/K, ctrl+↓/↑", "move cursor to prev/next sibling");
bindings.binding("h/l, ←/→", "move cursor chronologically");
bindings.binding("H/L, ctrl+←/→", "move cursor to prev/next unseen message");
bindings.binding("g, home", "move cursor to top");
@ -82,6 +83,8 @@ impl<M: Msg, S: MsgStore<M>> InnerTreeViewState<M, S> {
match event {
key!('k') | key!(Up) => self.move_cursor_up().await,
key!('j') | key!(Down) => self.move_cursor_down().await,
key!('K') | key!(Ctrl + Up) => self.move_cursor_up_sibling().await,
key!('J') | key!(Ctrl + Down) => self.move_cursor_down_sibling().await,
key!('h') | key!(Left) => self.move_cursor_older().await,
key!('l') | key!(Right) => self.move_cursor_newer().await,
key!('H') | key!(Ctrl + Left) => self.move_cursor_older_unseen().await,

110
src/ui/chat/tree/cursor.rs
View file

@ -240,6 +240,54 @@ impl<M: Msg, S: MsgStore<M>> InnerTreeViewState<M, S> {
self.correction = Some(Correction::MakeCursorVisible);
}
pub async fn move_cursor_up_sibling(&mut self) {
match &mut self.cursor {
Cursor::Bottom | Cursor::Pseudo { parent: None, .. } => {
if let Some(last_tree_id) = self.store.last_tree_id().await {
self.cursor = Cursor::Msg(last_tree_id);
}
}
Cursor::Msg(ref mut msg) => {
let path = self.store.path(msg).await;
let mut tree = self.store.tree(path.first()).await;
Self::find_prev_sibling(&self.store, &mut tree, msg).await;
}
Cursor::Editor { .. } => {}
Cursor::Pseudo {
parent: Some(parent),
..
} => {
let path = self.store.path(parent).await;
let tree = self.store.tree(path.first()).await;
if let Some(children) = tree.children(parent) {
if let Some(last_child) = children.last() {
self.cursor = Cursor::Msg(last_child.clone());
}
}
}
}
self.correction = Some(Correction::MakeCursorVisible);
}
pub async fn move_cursor_down_sibling(&mut self) {
match &mut self.cursor {
Cursor::Msg(ref mut msg) => {
let path = self.store.path(msg).await;
let mut tree = self.store.tree(path.first()).await;
if !Self::find_next_sibling(&self.store, &mut tree, msg).await
&& tree.parent(msg).is_none()
{
self.cursor = Cursor::Bottom;
}
}
Cursor::Pseudo { parent: None, .. } => {
self.cursor = Cursor::Bottom;
}
_ => {}
}
self.correction = Some(Correction::MakeCursorVisible);
}
pub async fn move_cursor_older(&mut self) {
match &mut self.cursor {
Cursor::Msg(id) => {
@ -385,68 +433,6 @@ impl<M: Msg, S: MsgStore<M>> InnerTreeViewState<M, S> {
}
/*
pub async fn move_up_sibling<S: MsgStore<M>>(
&mut self,
store: &S,
cursor: &mut Option<Cursor<M::Id>>,
frame: &mut Frame,
size: Size,
) {
let old_blocks = self
.layout_blocks(store, cursor.as_ref(), frame, size)
.await;
let old_cursor_id = cursor.as_ref().map(|c| c.id.clone());
if let Some(cursor) = cursor {
let path = store.path(&cursor.id).await;
let mut tree = store.tree(path.first()).await;
self.find_prev_sibling(store, &mut tree, &mut cursor.id)
.await;
} else if let Some(last_tree) = store.last_tree().await {
// I think moving to the root of the last tree makes the most sense
// here. Alternatively, we could just not move the cursor, but that
// wouldn't be very useful.
*cursor = Some(Cursor::new(last_tree));
}
// If neither condition holds, we can't set a cursor because there's no
// message to move to.
if let Some(cursor) = cursor {
self.correct_cursor_offset(store, frame, size, &old_blocks, &old_cursor_id, cursor)
.await;
}
}
pub async fn move_down_sibling<S: MsgStore<M>>(
&mut self,
store: &S,
cursor: &mut Option<Cursor<M::Id>>,
frame: &mut Frame,
size: Size,
) {
let old_blocks = self
.layout_blocks(store, cursor.as_ref(), frame, size)
.await;
let old_cursor_id = cursor.as_ref().map(|c| c.id.clone());
if let Some(cursor) = cursor {
let path = store.path(&cursor.id).await;
let mut tree = store.tree(path.first()).await;
self.find_next_sibling(store, &mut tree, &mut cursor.id)
.await;
}
// If that condition doesn't hold, we're already at the bottom in
// cursor-less mode and can't move further down anyways.
if let Some(cursor) = cursor {
self.correct_cursor_offset(store, frame, size, &old_blocks, &old_cursor_id, cursor)
.await;
}
}
// TODO move_older[_unseen]
// TODO move_newer[_unseen]
pub async fn center_cursor<S: MsgStore<M>>(
&mut self,
store: &S,