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|
use serde::{Deserialize, Serialize};
use std::path::{Path, PathBuf};
use std::{fs::File, io::prelude::*};
use zellij_utils::pane_size::PositionAndSize;
fn split_space_to_parts_vertically(
space_to_split: &PositionAndSize,
sizes: Vec<Option<SplitSize>>,
) -> Vec<PositionAndSize> {
let mut split_parts = Vec::new();
let mut current_x_position = space_to_split.x;
let mut current_width = 0;
let max_width = space_to_split.columns - (sizes.len() - 1); // minus space for gaps
let mut parts_to_grow = Vec::new();
// First fit in the parameterized sizes
for size in sizes {
let (columns, max_columns) = match size {
Some(SplitSize::Percent(percent)) => {
((max_width as f32 * (percent as f32 / 100.0)) as usize, None)
} // TODO: round properly
Some(SplitSize::Fixed(size)) => (size as usize, Some(size as usize)),
None => {
parts_to_grow.push(current_x_position);
(
1, // This is grown later on
None,
)
}
};
split_parts.push(PositionAndSize {
x: current_x_position,
y: space_to_split.y,
columns,
rows: space_to_split.rows,
max_columns,
..Default::default()
});
current_width += columns;
current_x_position += columns + 1; // 1 for gap
}
if current_width > max_width {
panic!("Layout contained too many columns to fit onto the screen!");
}
let mut last_flexible_index = split_parts.len() - 1;
if let Some(new_columns) = (max_width - current_width).checked_div(parts_to_grow.len()) {
current_width = 0;
current_x_position = 0;
for (idx, part) in split_parts.iter_mut().enumerate() {
part.x = current_x_position;
if parts_to_grow.contains(&part.x) {
part.columns = new_columns;
last_flexible_index = idx;
}
current_width += part.columns;
current_x_position += part.columns + 1; // 1 for gap
}
}
if current_width < max_width {
// we have some extra space left, let's add it to the last flexible part
let extra = max_width - current_width;
let mut last_part = split_parts.get_mut(last_flexible_index).unwrap();
last_part.columns += extra;
for part in (&mut split_parts[last_flexible_index + 1..]).iter_mut() {
part.x += extra;
}
}
split_parts
}
fn split_space_to_parts_horizontally(
space_to_split: &PositionAndSize,
sizes: Vec<Option<SplitSize>>,
) -> Vec<PositionAndSize> {
let mut split_parts = Vec::new();
let mut current_y_position = space_to_split.y;
let mut current_height = 0;
let max_height = space_to_split.rows - (sizes.len() - 1); // minus space for gaps
let mut parts_to_grow = Vec::new();
for size in sizes {
let (rows, max_rows) = match size {
Some(SplitSize::Percent(percent)) => (
(max_height as f32 * (percent as f32 / 100.0)) as usize,
None,
), // TODO: round properly
Some(SplitSize::Fixed(size)) => (size as usize, Some(size as usize)),
None => {
parts_to_grow.push(current_y_position);
(
1, // This is grown later on
None,
)
}
};
split_parts.push(PositionAndSize {
x: space_to_split.x,
y: current_y_position,
columns: space_to_split.columns,
rows,
max_rows,
..Default::default()
});
current_height += rows;
current_y_position += rows + 1; // 1 for gap
}
if current_height > max_height {
panic!("Layout contained too many rows to fit onto the screen!");
}
let mut last_flexible_index = split_parts.len() - 1;
if let Some(new_rows) = (max_height - current_height).checked_div(parts_to_grow.len()) {
current_height = 0;
current_y_position = 0;
for (idx, part) in split_parts.iter_mut().enumerate() {
part.y = current_y_position;
if parts_to_grow.contains(&part.y) {
part.rows = new_rows;
last_flexible_index = idx;
}
current_height += part.rows;
current_y_position += part.rows + 1; // 1 for gap
}
}
if current_height < max_height {
// we have some extra space left, let's add it to the last flexible part
let extra = max_height - current_height;
let mut last_part = split_parts.get_mut(last_flexible_index).unwrap();
last_part.rows += extra;
for part in (&mut split_parts[last_flexible_index + 1..]).iter_mut() {
part.y += extra;
}
}
split_parts
}
fn split_space(
space_to_split: &PositionAndSize,
layout: &Layout,
) -> Vec<(Layout, PositionAndSize)> {
let mut pane_positions = Vec::new();
let sizes: Vec<Option<SplitSize>> = layout.parts.iter().map(|part| part.split_size).collect();
let split_parts = match layout.direction {
Direction::Vertical => split_space_to_parts_vertically(space_to_split, sizes),
Direction::Horizontal => split_space_to_parts_horizontally(space_to_split, sizes),
};
for (i, part) in layout.parts.iter().enumerate() {
let part_position_and_size = split_parts.get(i).unwrap
|
