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Better pane weight adjustment

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This commit is contained in:
Joshua Barretto 2025-11-20 17:36:10 +00:00
parent 38a8e44053
commit ed3168b056
1 changed files with 29 additions and 16 deletions
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45
src/ui/panes.rs
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@ -87,11 +87,9 @@ pub struct HBox {
selected: usize,
panes: Vec<Pane>,
last_area: Area,
size_weight: usize,
size_weight: f32,
}
const DEFAULT_WEIGHT: usize = 4;
impl Element<()> for HBox {
fn handle(&mut self, state: &mut State, event: Event) -> Result<Resp<()>, Event> {
match event.to_action(|e| {
@ -99,7 +97,6 @@ impl Element<()> for HBox {
.map(Action::PaneMove)
.or_else(|| e.to_pane_open().map(Action::PaneOpen))
.or_else(|| e.to_pane_close())
.or_else(|| e.to_pane_resize())
}) {
Some(Action::PaneMove(Dir::Left)) => {
self.selected = (self.selected + self.panes.len() - 1) % self.panes.len();
@ -146,11 +143,6 @@ impl Element<()> for HBox {
self.selected = new_idx;
Ok(Resp::handled(None))
}
Some(Action::PaneResize(by)) => {
self.size_weight =
(self.size_weight as i32 + by).clamp(1, DEFAULT_WEIGHT.pow(2) as i32) as usize;
Ok(Resp::handled(None))
}
Some(action @ Action::Mouse(m_action, pos, is_ctrl, drag_id)) => {
for (i, pane) in self.panes.iter_mut().enumerate() {
if pane.last_area.contains(pos).is_some() {
@ -221,7 +213,7 @@ impl Panes {
task: None,
}],
last_area: Area::default(),
size_weight: DEFAULT_WEIGHT,
size_weight: 1.0,
})
.collect(),
last_area: Default::default(),
@ -236,15 +228,24 @@ impl Panes {
pub fn selected_hbox_mut(&mut self) -> Option<&mut HBox> {
self.hboxes.get_mut(self.selected)
}
fn rescale(&mut self) {
let total_weight = self.hboxes.iter().map(|h| h.size_weight).sum::<f32>();
let sz = self.last_area.size()[1] as f32;
self.hboxes
.iter_mut()
.for_each(|h| h.size_weight = (h.size_weight / total_weight).max(3.0 / sz).min(10.0));
}
}
impl Element for Panes {
fn handle(&mut self, state: &mut State, event: Event) -> Result<Resp, Event> {
match event.to_action(|e| {
let res = match event.to_action(|e| {
e.to_pane_move()
.map(Action::PaneMove)
.or_else(|| e.to_pane_open().map(Action::PaneOpen))
.or_else(|| e.to_pane_close())
.or_else(|| e.to_pane_resize())
}) {
Some(Action::PaneMove(Dir::Up)) => {
self.selected = (self.selected + self.hboxes.len() - 1) % self.hboxes.len();
@ -264,6 +265,7 @@ impl Element for Panes {
Some(b) => PaneKind::Doc(Doc::new(state, b)),
None => PaneKind::Empty,
};
let size_weight = 1.0 / self.hboxes.len().max(1) as f32;
self.hboxes.insert(
new_idx,
HBox {
@ -274,12 +276,18 @@ impl Element for Panes {
task: None,
}],
last_area: Area::default(),
size_weight: DEFAULT_WEIGHT,
size_weight,
},
);
self.selected = new_idx;
Ok(Resp::handled(None))
}
Some(Action::PaneResize(by)) => {
if let Some(hbox) = self.hboxes.get_mut(self.selected) {
hbox.size_weight *= 1.3f32.powi(by);
}
Ok(Resp::handled(None))
}
Some(action @ Action::Mouse(m_action, pos, is_ctrl, drag_id)) => {
for (i, hbox) in self.hboxes.iter_mut().enumerate() {
if hbox.last_area.contains(pos).is_some() {
@ -325,7 +333,9 @@ impl Element for Panes {
Err(event)
}
}
}
};
self.rescale();
res
}
}
@ -336,7 +346,7 @@ impl Visual for Panes {
return;
}
let total_weight = self.hboxes.iter().map(|h| h.size_weight).sum::<usize>();
let total_weight = self.hboxes.iter().map(|h| h.size_weight).sum::<f32>();
self.last_area = frame.area();
@ -345,12 +355,15 @@ impl Visual for Panes {
let y1 = if i == n - 1 {
frame.size()[1]
} else {
y0 + hbox.size_weight * frame.size()[1] / total_weight
y0 + ((hbox.size_weight * frame.size()[1] as f32 / total_weight)
.round()
.max(1.0) as usize)
.min(/*frame.size()[1] - (n - 1) * 3*/ !0)
};
// Draw pane contents
frame
.rect([0, y0], [frame.size()[0], y1 - y0])
.rect([0, y0], [frame.size()[0], y1.saturating_sub(y0)])
.with_focus(self.selected == i)
.with(|frame| hbox.render(state, frame));