Use upstream implementation of table column calculation
Changed in a68e38e59e
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This commit is contained in:
parent
9aafcb2b9a
commit
7a76c6cbba
2 changed files with 20 additions and 66 deletions
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@ -15,10 +15,7 @@ use tui::{
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use fuzzy_matcher::skim::SkimMatcherV2 as Matcher;
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use tui::widgets::Widget;
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use std::{
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cmp::{self, Ordering},
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time::Instant,
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};
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use std::cmp::{self, Ordering};
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use std::{collections::HashMap, io::Read, path::PathBuf};
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use crate::ui::{Prompt, PromptEvent};
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@ -4,14 +4,8 @@ use crate::{
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text::Text,
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widgets::{Block, Widget},
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};
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use cassowary::{
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strength::{MEDIUM, REQUIRED, WEAK},
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WeightedRelation::*,
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{Expression, Solver},
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};
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use helix_core::unicode::width::UnicodeWidthStr;
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use helix_view::graphics::{Rect, Style};
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use std::collections::HashMap;
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/// A [`Cell`] contains the [`Text`] to be displayed in a [`Row`] of a [`Table`].
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///
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@ -268,69 +262,32 @@ impl<'a> Table<'a> {
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}
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fn get_columns_widths(&self, max_width: u16, has_selection: bool) -> Vec<u16> {
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let mut solver = Solver::new();
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let mut var_indices = HashMap::new();
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let mut ccs = Vec::new();
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let mut variables = Vec::new();
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for i in 0..self.widths.len() {
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let var = cassowary::Variable::new();
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variables.push(var);
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var_indices.insert(var, i);
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}
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let spacing_width = (variables.len() as u16).saturating_sub(1) * self.column_spacing;
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let mut available_width = max_width.saturating_sub(spacing_width);
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let mut constraints = Vec::with_capacity(self.widths.len() * 2 + 1);
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if has_selection {
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let highlight_symbol_width =
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self.highlight_symbol.map(|s| s.width() as u16).unwrap_or(0);
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available_width = available_width.saturating_sub(highlight_symbol_width);
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constraints.push(Constraint::Length(highlight_symbol_width));
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}
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for (i, constraint) in self.widths.iter().enumerate() {
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ccs.push(variables[i] | GE(WEAK) | 0.);
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ccs.push(match *constraint {
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Constraint::Length(v) => variables[i] | EQ(MEDIUM) | f64::from(v),
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Constraint::Percentage(v) => {
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variables[i] | EQ(WEAK) | (f64::from(v * available_width) / 100.0)
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}
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Constraint::Ratio(n, d) => {
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variables[i]
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| EQ(WEAK)
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| (f64::from(available_width) * f64::from(n) / f64::from(d))
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}
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Constraint::Min(v) => variables[i] | GE(WEAK) | f64::from(v),
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Constraint::Max(v) => variables[i] | LE(WEAK) | f64::from(v),
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})
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for constraint in self.widths {
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constraints.push(*constraint);
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constraints.push(Constraint::Length(self.column_spacing));
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}
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solver
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.add_constraint(
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variables
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.iter()
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.fold(Expression::from_constant(0.), |acc, v| acc + *v)
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| LE(REQUIRED)
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| f64::from(available_width),
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)
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.unwrap();
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solver.add_constraints(&ccs).unwrap();
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let mut widths = vec![0; variables.len()];
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for &(var, value) in solver.fetch_changes() {
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let index = var_indices[&var];
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let value = if value.is_sign_negative() {
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0
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} else {
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value.round() as u16
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};
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widths[index] = value;
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if !self.widths.is_empty() {
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constraints.pop();
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}
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// Cassowary could still return columns widths greater than the max width when there are
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// fixed length constraints that cannot be satisfied. Therefore, we clamp the widths from
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// left to right.
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let mut available_width = max_width;
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for w in &mut widths {
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*w = available_width.min(*w);
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available_width = available_width
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.saturating_sub(*w)
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.saturating_sub(self.column_spacing);
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let mut chunks = crate::layout::Layout::default()
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.direction(crate::layout::Direction::Horizontal)
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.constraints(constraints)
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.split(Rect {
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x: 0,
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y: 0,
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width: max_width,
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height: 1,
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});
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if has_selection {
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chunks.remove(0);
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}
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widths
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chunks.iter().step_by(2).map(|c| c.width).collect()
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}
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fn get_row_bounds(
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