44d67de187
* fix(compatibility): support wide characters * style(fmt): rustfmt * style(fmt): make clippy happy
2271 lines
94 KiB
Rust
2271 lines
94 KiB
Rust
//! `Tab`s holds multiple panes. It tracks their coordinates (x/y) and size,
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//! as well as how they should be resized
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use zellij_utils::{serde, zellij_tile};
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use crate::{
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os_input_output::ServerOsApi,
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panes::{PaneId, PluginPane, TerminalPane},
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pty::{PtyInstruction, VteBytes},
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thread_bus::ThreadSenders,
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ui::{boundaries::Boundaries, layout::Layout, pane_resizer::PaneResizer},
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wasm_vm::PluginInstruction,
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ServerInstruction, SessionState,
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};
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use serde::{Deserialize, Serialize};
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use std::os::unix::io::RawFd;
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use std::sync::{mpsc::channel, Arc, RwLock};
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use std::time::Instant;
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use std::{
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cmp::Reverse,
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collections::{BTreeMap, HashSet},
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};
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use zellij_tile::data::{Event, InputMode, ModeInfo, Palette};
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use zellij_utils::{input::parse_keys, pane_size::PositionAndSize, shared::adjust_to_size};
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const CURSOR_HEIGHT_WIDTH_RATIO: usize = 4; // this is not accurate and kind of a magic number, TODO: look into this
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// MIN_TERMINAL_HEIGHT here must be larger than the height of any of the status bars
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// this is a dirty hack until we implement fixed panes
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const MIN_TERMINAL_HEIGHT: usize = 3;
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const MIN_TERMINAL_WIDTH: usize = 4;
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type BorderAndPaneIds = (usize, Vec<PaneId>);
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fn split_vertically_with_gap(rect: &PositionAndSize) -> (PositionAndSize, PositionAndSize) {
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let width_of_each_half = (rect.columns - 1) / 2;
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let mut first_rect = *rect;
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let mut second_rect = *rect;
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if rect.columns % 2 == 0 {
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first_rect.columns = width_of_each_half + 1;
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} else {
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first_rect.columns = width_of_each_half;
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}
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second_rect.x = first_rect.x + first_rect.columns + 1;
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second_rect.columns = width_of_each_half;
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(first_rect, second_rect)
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}
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fn split_horizontally_with_gap(rect: &PositionAndSize) -> (PositionAndSize, PositionAndSize) {
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let height_of_each_half = (rect.rows - 1) / 2;
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let mut first_rect = *rect;
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let mut second_rect = *rect;
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if rect.rows % 2 == 0 {
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first_rect.rows = height_of_each_half + 1;
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} else {
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first_rect.rows = height_of_each_half;
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}
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second_rect.y = first_rect.y + first_rect.rows + 1;
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second_rect.rows = height_of_each_half;
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(first_rect, second_rect)
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}
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pub(crate) struct Tab {
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pub index: usize,
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pub position: usize,
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pub name: String,
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panes: BTreeMap<PaneId, Box<dyn Pane>>,
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panes_to_hide: HashSet<PaneId>,
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active_terminal: Option<PaneId>,
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max_panes: Option<usize>,
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full_screen_ws: PositionAndSize,
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fullscreen_is_active: bool,
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os_api: Box<dyn ServerOsApi>,
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pub senders: ThreadSenders,
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synchronize_is_active: bool,
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should_clear_display_before_rendering: bool,
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session_state: Arc<RwLock<SessionState>>,
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pub mode_info: ModeInfo,
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pub input_mode: InputMode,
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pub colors: Palette,
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}
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#[derive(Clone, Debug, Default, Serialize, Deserialize)]
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#[serde(crate = "self::serde")]
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pub(crate) struct TabData {
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/* subset of fields to publish to plugins */
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pub position: usize,
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pub name: String,
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pub active: bool,
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pub mode_info: ModeInfo,
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pub input_mode: InputMode,
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pub colors: Palette,
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}
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// FIXME: Use a struct that has a pane_type enum, to reduce all of the duplication
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pub trait Pane {
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fn x(&self) -> usize;
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fn y(&self) -> usize;
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fn rows(&self) -> usize;
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fn columns(&self) -> usize;
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fn reset_size_and_position_override(&mut self);
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fn change_pos_and_size(&mut self, position_and_size: &PositionAndSize);
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fn override_size_and_position(&mut self, x: usize, y: usize, size: &PositionAndSize);
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fn handle_pty_bytes(&mut self, bytes: VteBytes);
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fn cursor_coordinates(&self) -> Option<(usize, usize)>;
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fn adjust_input_to_terminal(&self, input_bytes: Vec<u8>) -> Vec<u8>;
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fn position_and_size_override(&self) -> Option<PositionAndSize>;
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fn should_render(&self) -> bool;
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fn set_should_render(&mut self, should_render: bool);
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fn selectable(&self) -> bool;
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fn set_selectable(&mut self, selectable: bool);
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fn set_invisible_borders(&mut self, invisible_borders: bool);
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fn set_max_height(&mut self, max_height: usize);
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fn set_max_width(&mut self, max_width: usize);
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fn render(&mut self) -> Option<String>;
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fn pid(&self) -> PaneId;
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fn reduce_height_down(&mut self, count: usize);
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fn increase_height_down(&mut self, count: usize);
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fn increase_height_up(&mut self, count: usize);
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fn reduce_height_up(&mut self, count: usize);
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fn increase_width_right(&mut self, count: usize);
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fn reduce_width_right(&mut self, count: usize);
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fn reduce_width_left(&mut self, count: usize);
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fn increase_width_left(&mut self, count: usize);
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fn push_down(&mut self, count: usize);
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fn push_right(&mut self, count: usize);
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fn pull_left(&mut self, count: usize);
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fn pull_up(&mut self, count: usize);
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fn scroll_up(&mut self, count: usize);
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fn scroll_down(&mut self, count: usize);
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fn clear_scroll(&mut self);
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fn active_at(&self) -> Instant;
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fn set_active_at(&mut self, instant: Instant);
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fn cursor_shape_csi(&self) -> String {
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"\u{1b}[0 q".to_string() // default to non blinking block
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}
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fn right_boundary_x_coords(&self) -> usize {
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self.x() + self.columns()
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}
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fn bottom_boundary_y_coords(&self) -> usize {
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self.y() + self.rows()
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}
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fn is_directly_right_of(&self, other: &dyn Pane) -> bool {
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self.x() == other.x() + other.columns() + 1
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}
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fn is_directly_left_of(&self, other: &dyn Pane) -> bool {
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self.x() + self.columns() + 1 == other.x()
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}
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fn is_directly_below(&self, other: &dyn Pane) -> bool {
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self.y() == other.y() + other.rows() + 1
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}
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fn is_directly_above(&self, other: &dyn Pane) -> bool {
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self.y() + self.rows() + 1 == other.y()
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}
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fn horizontally_overlaps_with(&self, other: &dyn Pane) -> bool {
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(self.y() >= other.y() && self.y() <= (other.y() + other.rows()))
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|| ((self.y() + self.rows()) <= (other.y() + other.rows())
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&& (self.y() + self.rows()) > other.y())
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|| (self.y() <= other.y() && (self.y() + self.rows() >= (other.y() + other.rows())))
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|| (other.y() <= self.y() && (other.y() + other.rows() >= (self.y() + self.rows())))
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}
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fn get_horizontal_overlap_with(&self, other: &dyn Pane) -> usize {
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std::cmp::min(self.y() + self.rows(), other.y() + other.rows())
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- std::cmp::max(self.y(), other.y())
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}
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fn vertically_overlaps_with(&self, other: &dyn Pane) -> bool {
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(self.x() >= other.x() && self.x() <= (other.x() + other.columns()))
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|| ((self.x() + self.columns()) <= (other.x() + other.columns())
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&& (self.x() + self.columns()) > other.x())
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|| (self.x() <= other.x()
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&& (self.x() + self.columns() >= (other.x() + other.columns())))
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|| (other.x() <= self.x()
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&& (other.x() + other.columns() >= (self.x() + self.columns())))
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}
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fn get_vertical_overlap_with(&self, other: &dyn Pane) -> usize {
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std::cmp::min(self.x() + self.columns(), other.x() + other.columns())
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- std::cmp::max(self.x(), other.x())
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}
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fn position_and_size(&self) -> PositionAndSize {
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PositionAndSize {
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x: self.x(),
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y: self.y(),
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columns: self.columns(),
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rows: self.rows(),
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..Default::default()
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}
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}
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fn can_increase_height_by(&self, increase_by: usize) -> bool {
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self.max_height()
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.map(|max_height| self.rows() + increase_by <= max_height)
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.unwrap_or(true)
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}
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fn can_increase_width_by(&self, increase_by: usize) -> bool {
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self.max_width()
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.map(|max_width| self.columns() + increase_by <= max_width)
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.unwrap_or(true)
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}
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fn can_reduce_height_by(&self, reduce_by: usize) -> bool {
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self.rows() > reduce_by && self.rows() - reduce_by >= self.min_height()
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}
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fn can_reduce_width_by(&self, reduce_by: usize) -> bool {
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self.columns() > reduce_by && self.columns() - reduce_by >= self.min_width()
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}
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fn min_width(&self) -> usize {
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MIN_TERMINAL_WIDTH
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}
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fn min_height(&self) -> usize {
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MIN_TERMINAL_HEIGHT
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}
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fn max_width(&self) -> Option<usize> {
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None
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}
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fn max_height(&self) -> Option<usize> {
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None
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}
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fn invisible_borders(&self) -> bool {
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false
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}
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fn drain_messages_to_pty(&mut self) -> Vec<Vec<u8>> {
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// TODO: this is only relevant to terminal panes
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// we should probably refactor away from this trait at some point
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vec![]
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}
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}
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impl Tab {
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// FIXME: Still too many arguments for clippy to be happy...
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#[allow(clippy::too_many_arguments)]
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pub fn new(
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index: usize,
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position: usize,
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name: String,
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full_screen_ws: &PositionAndSize,
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os_api: Box<dyn ServerOsApi>,
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senders: ThreadSenders,
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max_panes: Option<usize>,
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pane_id: Option<PaneId>,
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mode_info: ModeInfo,
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input_mode: InputMode,
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colors: Palette,
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session_state: Arc<RwLock<SessionState>>,
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) -> Self {
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let panes = if let Some(PaneId::Terminal(pid)) = pane_id {
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let new_terminal = TerminalPane::new(pid, *full_screen_ws, colors);
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os_api.set_terminal_size_using_fd(
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new_terminal.pid,
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new_terminal.columns() as u16,
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new_terminal.rows() as u16,
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);
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let mut panes: BTreeMap<PaneId, Box<dyn Pane>> = BTreeMap::new();
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panes.insert(PaneId::Terminal(pid), Box::new(new_terminal));
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panes
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} else {
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BTreeMap::new()
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};
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Tab {
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index,
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position,
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panes,
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name,
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max_panes,
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panes_to_hide: HashSet::new(),
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active_terminal: pane_id,
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full_screen_ws: *full_screen_ws,
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fullscreen_is_active: false,
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synchronize_is_active: false,
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os_api,
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senders,
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should_clear_display_before_rendering: false,
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mode_info,
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input_mode,
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colors,
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session_state,
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}
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}
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pub fn apply_layout(&mut self, layout: Layout, new_pids: Vec<RawFd>) {
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// TODO: this should be an attribute on Screen instead of full_screen_ws
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let free_space = PositionAndSize {
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x: 0,
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y: 0,
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rows: self.full_screen_ws.rows,
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columns: self.full_screen_ws.columns,
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..Default::default()
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};
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self.panes_to_hide.clear();
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let positions_in_layout = layout.position_panes_in_space(&free_space);
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let mut positions_and_size = positions_in_layout.iter();
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for (pane_kind, terminal_pane) in self.panes.iter_mut() {
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// for now the layout only supports terminal panes
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if let PaneId::Terminal(pid) = pane_kind {
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match positions_and_size.next() {
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Some((_, position_and_size)) => {
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terminal_pane.reset_size_and_position_override();
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if let Some(max_rows) = position_and_size.max_rows {
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terminal_pane.set_max_height(max_rows);
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}
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if let Some(max_columns) = position_and_size.max_columns {
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terminal_pane.set_max_width(max_columns);
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}
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terminal_pane.change_pos_and_size(&position_and_size);
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self.os_api.set_terminal_size_using_fd(
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*pid,
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position_and_size.columns as u16,
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position_and_size.rows as u16,
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);
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}
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None => {
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// we filled the entire layout, no room for this pane
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// TODO: handle active terminal
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self.panes_to_hide.insert(PaneId::Terminal(*pid));
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}
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}
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}
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}
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let mut new_pids = new_pids.iter();
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for (layout, position_and_size) in positions_and_size {
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// Just a regular terminal
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if let Some(plugin) = &layout.plugin {
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let (pid_tx, pid_rx) = channel();
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self.senders
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.send_to_plugin(PluginInstruction::Load(pid_tx, plugin.clone()))
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.unwrap();
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let pid = pid_rx.recv().unwrap();
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let mut new_plugin = PluginPane::new(
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pid,
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*position_and_size,
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self.senders.to_plugin.as_ref().unwrap().clone(),
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);
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if let Some(max_rows) = position_and_size.max_rows {
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new_plugin.set_max_height(max_rows);
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}
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if let Some(max_columns) = position_and_size.max_columns {
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new_plugin.set_max_width(max_columns);
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}
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self.panes.insert(PaneId::Plugin(pid), Box::new(new_plugin));
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// Send an initial mode update to the newly loaded plugin only!
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self.senders
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.send_to_plugin(PluginInstruction::Update(
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Some(pid),
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Event::ModeUpdate(self.mode_info.clone()),
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))
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.unwrap();
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} else {
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// there are still panes left to fill, use the pids we received in this method
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let pid = new_pids.next().unwrap(); // if this crashes it means we got less pids than there are panes in this layout
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let new_terminal = TerminalPane::new(*pid, *position_and_size, self.colors);
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self.os_api.set_terminal_size_using_fd(
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new_terminal.pid,
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new_terminal.columns() as u16,
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new_terminal.rows() as u16,
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);
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self.panes
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.insert(PaneId::Terminal(*pid), Box::new(new_terminal));
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}
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}
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for unused_pid in new_pids {
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// this is a bit of a hack and happens because we don't have any central location that
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// can query the screen as to how many panes it needs to create a layout
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// fixing this will require a bit of an architecture change
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self.senders
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.send_to_pty(PtyInstruction::ClosePane(PaneId::Terminal(*unused_pid)))
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.unwrap();
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}
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self.active_terminal = self.panes.iter().map(|(id, _)| id.to_owned()).next();
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self.render();
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}
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pub fn new_pane(&mut self, pid: PaneId) {
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self.close_down_to_max_terminals();
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if self.fullscreen_is_active {
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self.toggle_active_pane_fullscreen();
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}
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if !self.has_panes() {
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if let PaneId::Terminal(term_pid) = pid {
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let new_terminal = TerminalPane::new(term_pid, self.full_screen_ws, self.colors);
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self.os_api.set_terminal_size_using_fd(
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new_terminal.pid,
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new_terminal.columns() as u16,
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new_terminal.rows() as u16,
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);
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self.panes.insert(pid, Box::new(new_terminal));
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self.active_terminal = Some(pid);
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}
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} else {
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// TODO: check minimum size of active terminal
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let (_largest_terminal_size, terminal_id_to_split) = self.get_panes().fold(
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(0, None),
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|(current_largest_terminal_size, current_terminal_id_to_split),
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id_and_terminal_to_check| {
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let (id_of_terminal_to_check, terminal_to_check) = id_and_terminal_to_check;
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let terminal_size = (terminal_to_check.rows() * CURSOR_HEIGHT_WIDTH_RATIO)
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* terminal_to_check.columns();
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let terminal_can_be_split = terminal_to_check.columns() >= MIN_TERMINAL_WIDTH
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&& terminal_to_check.rows() >= MIN_TERMINAL_HEIGHT
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&& ((terminal_to_check.columns() > terminal_to_check.min_width() * 2)
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|| (terminal_to_check.rows() > terminal_to_check.min_height() * 2));
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if terminal_can_be_split && terminal_size > current_largest_terminal_size {
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(terminal_size, Some(*id_of_terminal_to_check))
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} else {
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(current_largest_terminal_size, current_terminal_id_to_split)
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}
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},
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);
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if terminal_id_to_split.is_none() {
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self.senders
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.send_to_pty(PtyInstruction::ClosePane(pid)) // we can't open this pane, close the pty
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.unwrap();
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return; // likely no terminal large enough to split
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}
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let terminal_id_to_split = terminal_id_to_split.unwrap();
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let terminal_to_split = self.panes.get_mut(&terminal_id_to_split).unwrap();
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let terminal_ws = PositionAndSize {
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rows: terminal_to_split.rows(),
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columns: terminal_to_split.columns(),
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x: terminal_to_split.x(),
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y: terminal_to_split.y(),
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..Default::default()
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};
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if terminal_to_split.rows() * CURSOR_HEIGHT_WIDTH_RATIO > terminal_to_split.columns()
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&& terminal_to_split.rows() > terminal_to_split.min_height() * 2
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{
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if let PaneId::Terminal(term_pid) = pid {
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let (top_winsize, bottom_winsize) = split_horizontally_with_gap(&terminal_ws);
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let new_terminal = TerminalPane::new(term_pid, bottom_winsize, self.colors);
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self.os_api.set_terminal_size_using_fd(
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new_terminal.pid,
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bottom_winsize.columns as u16,
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bottom_winsize.rows as u16,
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);
|
|
terminal_to_split.change_pos_and_size(&top_winsize);
|
|
self.panes.insert(pid, Box::new(new_terminal));
|
|
if let PaneId::Terminal(terminal_id_to_split) = terminal_id_to_split {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
terminal_id_to_split,
|
|
top_winsize.columns as u16,
|
|
top_winsize.rows as u16,
|
|
);
|
|
}
|
|
self.active_terminal = Some(pid);
|
|
}
|
|
} else if terminal_to_split.columns() > terminal_to_split.min_width() * 2 {
|
|
if let PaneId::Terminal(term_pid) = pid {
|
|
let (left_winsize, right_winsize) = split_vertically_with_gap(&terminal_ws);
|
|
let new_terminal = TerminalPane::new(term_pid, right_winsize, self.colors);
|
|
self.os_api.set_terminal_size_using_fd(
|
|
new_terminal.pid,
|
|
right_winsize.columns as u16,
|
|
right_winsize.rows as u16,
|
|
);
|
|
terminal_to_split.change_pos_and_size(&left_winsize);
|
|
self.panes.insert(pid, Box::new(new_terminal));
|
|
if let PaneId::Terminal(terminal_id_to_split) = terminal_id_to_split {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
terminal_id_to_split,
|
|
left_winsize.columns as u16,
|
|
left_winsize.rows as u16,
|
|
);
|
|
}
|
|
}
|
|
}
|
|
self.active_terminal = Some(pid);
|
|
self.render();
|
|
}
|
|
}
|
|
pub fn horizontal_split(&mut self, pid: PaneId) {
|
|
self.close_down_to_max_terminals();
|
|
if self.fullscreen_is_active {
|
|
self.toggle_active_pane_fullscreen();
|
|
}
|
|
if !self.has_panes() {
|
|
if let PaneId::Terminal(term_pid) = pid {
|
|
let new_terminal = TerminalPane::new(term_pid, self.full_screen_ws, self.colors);
|
|
self.os_api.set_terminal_size_using_fd(
|
|
new_terminal.pid,
|
|
new_terminal.columns() as u16,
|
|
new_terminal.rows() as u16,
|
|
);
|
|
self.panes.insert(pid, Box::new(new_terminal));
|
|
self.active_terminal = Some(pid);
|
|
}
|
|
} else if let PaneId::Terminal(term_pid) = pid {
|
|
// TODO: check minimum size of active terminal
|
|
let active_pane_id = &self.get_active_pane_id().unwrap();
|
|
let active_pane = self.panes.get_mut(active_pane_id).unwrap();
|
|
if active_pane.rows() < MIN_TERMINAL_HEIGHT * 2 + 1 {
|
|
self.senders
|
|
.send_to_pty(PtyInstruction::ClosePane(pid)) // we can't open this pane, close the pty
|
|
.unwrap();
|
|
return;
|
|
}
|
|
let terminal_ws = PositionAndSize {
|
|
x: active_pane.x(),
|
|
y: active_pane.y(),
|
|
rows: active_pane.rows(),
|
|
columns: active_pane.columns(),
|
|
..Default::default()
|
|
};
|
|
let (top_winsize, bottom_winsize) = split_horizontally_with_gap(&terminal_ws);
|
|
|
|
active_pane.change_pos_and_size(&top_winsize);
|
|
|
|
let new_terminal = TerminalPane::new(term_pid, bottom_winsize, self.colors);
|
|
self.os_api.set_terminal_size_using_fd(
|
|
new_terminal.pid,
|
|
bottom_winsize.columns as u16,
|
|
bottom_winsize.rows as u16,
|
|
);
|
|
self.panes.insert(pid, Box::new(new_terminal));
|
|
|
|
if let PaneId::Terminal(active_terminal_pid) = active_pane_id {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
*active_terminal_pid,
|
|
top_winsize.columns as u16,
|
|
top_winsize.rows as u16,
|
|
);
|
|
}
|
|
|
|
self.active_terminal = Some(pid);
|
|
self.render();
|
|
}
|
|
}
|
|
pub fn vertical_split(&mut self, pid: PaneId) {
|
|
self.close_down_to_max_terminals();
|
|
if self.fullscreen_is_active {
|
|
self.toggle_active_pane_fullscreen();
|
|
}
|
|
if !self.has_panes() {
|
|
if let PaneId::Terminal(term_pid) = pid {
|
|
let new_terminal = TerminalPane::new(term_pid, self.full_screen_ws, self.colors);
|
|
self.os_api.set_terminal_size_using_fd(
|
|
new_terminal.pid,
|
|
new_terminal.columns() as u16,
|
|
new_terminal.rows() as u16,
|
|
);
|
|
self.panes.insert(pid, Box::new(new_terminal));
|
|
self.active_terminal = Some(pid);
|
|
}
|
|
} else if let PaneId::Terminal(term_pid) = pid {
|
|
// TODO: check minimum size of active terminal
|
|
let active_pane_id = &self.get_active_pane_id().unwrap();
|
|
let active_pane = self.panes.get_mut(active_pane_id).unwrap();
|
|
if active_pane.columns() < MIN_TERMINAL_WIDTH * 2 + 1 {
|
|
self.senders
|
|
.send_to_pty(PtyInstruction::ClosePane(pid)) // we can't open this pane, close the pty
|
|
.unwrap();
|
|
return;
|
|
}
|
|
let terminal_ws = PositionAndSize {
|
|
x: active_pane.x(),
|
|
y: active_pane.y(),
|
|
rows: active_pane.rows(),
|
|
columns: active_pane.columns(),
|
|
..Default::default()
|
|
};
|
|
let (left_winsize, right_winsize) = split_vertically_with_gap(&terminal_ws);
|
|
|
|
active_pane.change_pos_and_size(&left_winsize);
|
|
|
|
let new_terminal = TerminalPane::new(term_pid, right_winsize, self.colors);
|
|
self.os_api.set_terminal_size_using_fd(
|
|
new_terminal.pid,
|
|
right_winsize.columns as u16,
|
|
right_winsize.rows as u16,
|
|
);
|
|
self.panes.insert(pid, Box::new(new_terminal));
|
|
|
|
if let PaneId::Terminal(active_terminal_pid) = active_pane_id {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
*active_terminal_pid,
|
|
left_winsize.columns as u16,
|
|
left_winsize.rows as u16,
|
|
);
|
|
}
|
|
|
|
self.active_terminal = Some(pid);
|
|
self.render();
|
|
}
|
|
}
|
|
pub fn get_active_pane(&self) -> Option<&dyn Pane> {
|
|
// FIXME: Could use Option::map() here
|
|
match self.get_active_pane_id() {
|
|
Some(active_pane) => self.panes.get(&active_pane).map(Box::as_ref),
|
|
None => None,
|
|
}
|
|
}
|
|
fn get_active_pane_id(&self) -> Option<PaneId> {
|
|
self.active_terminal
|
|
}
|
|
fn get_active_terminal_id(&self) -> Option<RawFd> {
|
|
// FIXME: Is there a better way to do this?
|
|
if let Some(PaneId::Terminal(pid)) = self.active_terminal {
|
|
Some(pid)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
pub fn has_terminal_pid(&self, pid: RawFd) -> bool {
|
|
self.panes.contains_key(&PaneId::Terminal(pid))
|
|
}
|
|
pub fn handle_pty_bytes(&mut self, pid: RawFd, bytes: VteBytes) {
|
|
// if we don't have the terminal in self.terminals it's probably because
|
|
// of a race condition where the terminal was created in pty but has not
|
|
// yet been created in Screen. These events are currently not buffered, so
|
|
// if you're debugging seemingly randomly missing stdout data, this is
|
|
// the reason
|
|
if let Some(terminal_output) = self.panes.get_mut(&PaneId::Terminal(pid)) {
|
|
terminal_output.handle_pty_bytes(bytes);
|
|
let messages_to_pty = terminal_output.drain_messages_to_pty();
|
|
for message in messages_to_pty {
|
|
self.write_to_pane_id(message, PaneId::Terminal(pid));
|
|
}
|
|
}
|
|
}
|
|
pub fn write_to_terminals_on_current_tab(&mut self, input_bytes: Vec<u8>) {
|
|
let pane_ids = self.get_pane_ids();
|
|
pane_ids.iter().for_each(|&pane_id| {
|
|
self.write_to_pane_id(input_bytes.clone(), pane_id);
|
|
});
|
|
}
|
|
pub fn write_to_active_terminal(&mut self, input_bytes: Vec<u8>) {
|
|
self.write_to_pane_id(input_bytes, self.get_active_pane_id().unwrap());
|
|
}
|
|
pub fn write_to_pane_id(&mut self, input_bytes: Vec<u8>, pane_id: PaneId) {
|
|
match pane_id {
|
|
PaneId::Terminal(active_terminal_id) => {
|
|
let active_terminal = self.panes.get(&pane_id).unwrap();
|
|
let adjusted_input = active_terminal.adjust_input_to_terminal(input_bytes);
|
|
self.os_api
|
|
.write_to_tty_stdin(active_terminal_id, &adjusted_input)
|
|
.expect("failed to write to terminal");
|
|
self.os_api
|
|
.tcdrain(active_terminal_id)
|
|
.expect("failed to drain terminal");
|
|
}
|
|
PaneId::Plugin(pid) => {
|
|
for key in parse_keys(&input_bytes) {
|
|
self.senders
|
|
.send_to_plugin(PluginInstruction::Update(Some(pid), Event::KeyPress(key)))
|
|
.unwrap()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
pub fn get_active_terminal_cursor_position(&self) -> Option<(usize, usize)> {
|
|
// (x, y)
|
|
let active_terminal = &self.get_active_pane()?;
|
|
active_terminal
|
|
.cursor_coordinates()
|
|
.map(|(x_in_terminal, y_in_terminal)| {
|
|
let x = active_terminal.x() + x_in_terminal;
|
|
let y = active_terminal.y() + y_in_terminal;
|
|
(x, y)
|
|
})
|
|
}
|
|
pub fn toggle_active_pane_fullscreen(&mut self) {
|
|
if let Some(active_pane_id) = self.get_active_pane_id() {
|
|
if self.fullscreen_is_active {
|
|
for terminal_id in self.panes_to_hide.iter() {
|
|
self.panes
|
|
.get_mut(terminal_id)
|
|
.unwrap()
|
|
.set_should_render(true);
|
|
}
|
|
self.panes_to_hide.clear();
|
|
let active_terminal = self.panes.get_mut(&active_pane_id).unwrap();
|
|
active_terminal.reset_size_and_position_override();
|
|
} else {
|
|
let panes = self.get_panes();
|
|
let pane_ids_to_hide =
|
|
panes.filter_map(
|
|
|(&id, _)| {
|
|
if id != active_pane_id {
|
|
Some(id)
|
|
} else {
|
|
None
|
|
}
|
|
},
|
|
);
|
|
self.panes_to_hide = pane_ids_to_hide.collect();
|
|
if self.panes_to_hide.is_empty() {
|
|
// nothing to do, pane is already as fullscreen as it can be, let's bail
|
|
return;
|
|
} else {
|
|
let active_terminal = self.panes.get_mut(&active_pane_id).unwrap();
|
|
active_terminal.override_size_and_position(
|
|
self.full_screen_ws.x,
|
|
self.full_screen_ws.y,
|
|
&self.full_screen_ws,
|
|
);
|
|
}
|
|
}
|
|
let active_terminal = self.panes.get(&active_pane_id).unwrap();
|
|
if let PaneId::Terminal(active_pid) = active_pane_id {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
active_pid,
|
|
active_terminal.columns() as u16,
|
|
active_terminal.rows() as u16,
|
|
);
|
|
}
|
|
self.render();
|
|
self.toggle_fullscreen_is_active();
|
|
}
|
|
}
|
|
pub fn toggle_fullscreen_is_active(&mut self) {
|
|
self.fullscreen_is_active = !self.fullscreen_is_active;
|
|
}
|
|
pub fn set_force_render(&mut self) {
|
|
for pane in self.panes.values_mut() {
|
|
pane.set_should_render(true);
|
|
}
|
|
}
|
|
pub fn is_sync_panes_active(&self) -> bool {
|
|
self.synchronize_is_active
|
|
}
|
|
pub fn toggle_sync_panes_is_active(&mut self) {
|
|
self.synchronize_is_active = !self.synchronize_is_active;
|
|
}
|
|
pub fn render(&mut self) {
|
|
if self.active_terminal.is_none()
|
|
|| *self.session_state.read().unwrap() != SessionState::Attached
|
|
{
|
|
// we might not have an active terminal if we closed the last pane
|
|
// in that case, we should not render as the app is exiting
|
|
// or if this session is not attached to a client, we do not have to render
|
|
return;
|
|
}
|
|
let mut output = String::new();
|
|
let mut boundaries = Boundaries::new(
|
|
self.full_screen_ws.columns as u16,
|
|
self.full_screen_ws.rows as u16,
|
|
);
|
|
let hide_cursor = "\u{1b}[?25l";
|
|
output.push_str(hide_cursor);
|
|
if self.should_clear_display_before_rendering {
|
|
let clear_display = "\u{1b}[2J";
|
|
output.push_str(clear_display);
|
|
self.should_clear_display_before_rendering = false;
|
|
}
|
|
for (kind, pane) in self.panes.iter_mut() {
|
|
if !self.panes_to_hide.contains(&pane.pid()) {
|
|
match self.active_terminal.unwrap() == pane.pid() {
|
|
true => {
|
|
pane.set_active_at(Instant::now());
|
|
boundaries.add_rect(pane.as_ref(), self.mode_info.mode, Some(self.colors))
|
|
}
|
|
false => boundaries.add_rect(pane.as_ref(), self.mode_info.mode, None),
|
|
}
|
|
if let Some(vte_output) = pane.render() {
|
|
let vte_output = if let PaneId::Terminal(_) = kind {
|
|
vte_output
|
|
} else {
|
|
adjust_to_size(&vte_output, pane.rows(), pane.columns())
|
|
};
|
|
// FIXME: Use Termion for cursor and style clearing?
|
|
output.push_str(&format!(
|
|
"\u{1b}[{};{}H\u{1b}[m{}",
|
|
pane.y() + 1,
|
|
pane.x() + 1,
|
|
vte_output
|
|
));
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO: only render (and calculate) boundaries if there was a resize
|
|
output.push_str(&boundaries.vte_output());
|
|
|
|
match self.get_active_terminal_cursor_position() {
|
|
Some((cursor_position_x, cursor_position_y)) => {
|
|
let show_cursor = "\u{1b}[?25h";
|
|
let change_cursor_shape = self.get_active_pane().unwrap().cursor_shape_csi();
|
|
let goto_cursor_position = &format!(
|
|
"\u{1b}[{};{}H\u{1b}[m{}",
|
|
cursor_position_y + 1,
|
|
cursor_position_x + 1,
|
|
change_cursor_shape
|
|
); // goto row/col
|
|
output.push_str(show_cursor);
|
|
output.push_str(goto_cursor_position);
|
|
}
|
|
None => {
|
|
let hide_cursor = "\u{1b}[?25l";
|
|
output.push_str(hide_cursor);
|
|
}
|
|
}
|
|
|
|
self.senders
|
|
.send_to_server(ServerInstruction::Render(Some(output)))
|
|
.unwrap();
|
|
}
|
|
fn get_panes(&self) -> impl Iterator<Item = (&PaneId, &Box<dyn Pane>)> {
|
|
self.panes.iter()
|
|
}
|
|
// FIXME: This is some shameful duplication...
|
|
fn get_selectable_panes(&self) -> impl Iterator<Item = (&PaneId, &Box<dyn Pane>)> {
|
|
self.panes.iter().filter(|(_, p)| p.selectable())
|
|
}
|
|
fn has_panes(&self) -> bool {
|
|
let mut all_terminals = self.get_panes();
|
|
all_terminals.next().is_some()
|
|
}
|
|
fn has_selectable_panes(&self) -> bool {
|
|
let mut all_terminals = self.get_selectable_panes();
|
|
all_terminals.next().is_some()
|
|
}
|
|
fn next_active_pane(&self, panes: Vec<PaneId>) -> Option<PaneId> {
|
|
panes
|
|
.into_iter()
|
|
.rev()
|
|
.find(|pid| self.panes.get(pid).unwrap().selectable())
|
|
}
|
|
fn pane_ids_directly_left_of(&self, id: &PaneId) -> Option<Vec<PaneId>> {
|
|
let mut ids = vec![];
|
|
let terminal_to_check = self.panes.get(id).unwrap();
|
|
if terminal_to_check.x() == 0 {
|
|
return None;
|
|
}
|
|
for (&pid, terminal) in self.get_panes() {
|
|
if terminal.x() + terminal.columns() == terminal_to_check.x() - 1 {
|
|
ids.push(pid);
|
|
}
|
|
}
|
|
if ids.is_empty() {
|
|
None
|
|
} else {
|
|
Some(ids)
|
|
}
|
|
}
|
|
fn pane_ids_directly_right_of(&self, id: &PaneId) -> Option<Vec<PaneId>> {
|
|
let mut ids = vec![];
|
|
let terminal_to_check = self.panes.get(id).unwrap();
|
|
for (&pid, terminal) in self.get_panes() {
|
|
if terminal.x() == terminal_to_check.x() + terminal_to_check.columns() + 1 {
|
|
ids.push(pid);
|
|
}
|
|
}
|
|
if ids.is_empty() {
|
|
None
|
|
} else {
|
|
Some(ids)
|
|
}
|
|
}
|
|
fn pane_ids_directly_below(&self, id: &PaneId) -> Option<Vec<PaneId>> {
|
|
let mut ids = vec![];
|
|
let terminal_to_check = self.panes.get(id).unwrap();
|
|
for (&pid, terminal) in self.get_panes() {
|
|
if terminal.y() == terminal_to_check.y() + terminal_to_check.rows() + 1 {
|
|
ids.push(pid);
|
|
}
|
|
}
|
|
if ids.is_empty() {
|
|
None
|
|
} else {
|
|
Some(ids)
|
|
}
|
|
}
|
|
fn pane_ids_directly_above(&self, id: &PaneId) -> Option<Vec<PaneId>> {
|
|
let mut ids = vec![];
|
|
let terminal_to_check = self.panes.get(id).unwrap();
|
|
for (&pid, terminal) in self.get_panes() {
|
|
if terminal.y() + terminal.rows() + 1 == terminal_to_check.y() {
|
|
ids.push(pid);
|
|
}
|
|
}
|
|
if ids.is_empty() {
|
|
None
|
|
} else {
|
|
Some(ids)
|
|
}
|
|
}
|
|
fn panes_top_aligned_with_pane(&self, pane: &dyn Pane) -> Vec<&dyn Pane> {
|
|
self.panes
|
|
.keys()
|
|
.map(|t_id| self.panes.get(&t_id).unwrap().as_ref())
|
|
.filter(|terminal| terminal.pid() != pane.pid() && terminal.y() == pane.y())
|
|
.collect()
|
|
}
|
|
fn panes_bottom_aligned_with_pane(&self, pane: &dyn Pane) -> Vec<&dyn Pane> {
|
|
self.panes
|
|
.keys()
|
|
.map(|t_id| self.panes.get(&t_id).unwrap().as_ref())
|
|
.filter(|terminal| {
|
|
terminal.pid() != pane.pid()
|
|
&& terminal.y() + terminal.rows() == pane.y() + pane.rows()
|
|
})
|
|
.collect()
|
|
}
|
|
fn panes_right_aligned_with_pane(&self, pane: &dyn Pane) -> Vec<&dyn Pane> {
|
|
self.panes
|
|
.keys()
|
|
.map(|t_id| self.panes.get(&t_id).unwrap().as_ref())
|
|
.filter(|terminal| {
|
|
terminal.pid() != pane.pid()
|
|
&& terminal.x() + terminal.columns() == pane.x() + pane.columns()
|
|
})
|
|
.collect()
|
|
}
|
|
fn panes_left_aligned_with_pane(&self, pane: &dyn Pane) -> Vec<&dyn Pane> {
|
|
self.panes
|
|
.keys()
|
|
.map(|t_id| self.panes.get(&t_id).unwrap().as_ref())
|
|
.filter(|terminal| terminal.pid() != pane.pid() && terminal.x() == pane.x())
|
|
.collect()
|
|
}
|
|
fn right_aligned_contiguous_panes_above(
|
|
&self,
|
|
id: &PaneId,
|
|
terminal_borders_to_the_right: &HashSet<usize>,
|
|
) -> BorderAndPaneIds {
|
|
let mut terminals = vec![];
|
|
let terminal_to_check = self
|
|
.panes
|
|
.get(id)
|
|
.expect("terminal id does not exist")
|
|
.as_ref();
|
|
let mut right_aligned_terminals = self.panes_right_aligned_with_pane(terminal_to_check);
|
|
// terminals that are next to each other up to current
|
|
right_aligned_terminals.sort_by_key(|a| Reverse(a.y()));
|
|
for terminal in right_aligned_terminals {
|
|
let terminal_to_check = terminals.last().unwrap_or(&terminal_to_check);
|
|
if terminal.y() + terminal.rows() + 1 == terminal_to_check.y() {
|
|
terminals.push(terminal);
|
|
}
|
|
}
|
|
// top-most border aligned with a pane border to the right
|
|
let mut top_resize_border = 0;
|
|
for terminal in &terminals {
|
|
let bottom_terminal_boundary = terminal.y() + terminal.rows();
|
|
if terminal_borders_to_the_right
|
|
.get(&(bottom_terminal_boundary + 1))
|
|
.is_some()
|
|
&& top_resize_border < bottom_terminal_boundary
|
|
{
|
|
top_resize_border = bottom_terminal_boundary + 1;
|
|
}
|
|
}
|
|
terminals.retain(|terminal| terminal.y() >= top_resize_border);
|
|
// if there are no adjacent panes to resize, we use the border of the main pane we're
|
|
// resizing
|
|
let top_resize_border = if terminals.is_empty() {
|
|
terminal_to_check.y()
|
|
} else {
|
|
top_resize_border
|
|
};
|
|
let terminal_ids: Vec<PaneId> = terminals.iter().map(|t| t.pid()).collect();
|
|
(top_resize_border, terminal_ids)
|
|
}
|
|
fn right_aligned_contiguous_panes_below(
|
|
&self,
|
|
id: &PaneId,
|
|
terminal_borders_to_the_right: &HashSet<usize>,
|
|
) -> BorderAndPaneIds {
|
|
let mut terminals = vec![];
|
|
let terminal_to_check = self
|
|
.panes
|
|
.get(id)
|
|
.expect("terminal id does not exist")
|
|
.as_ref();
|
|
let mut right_aligned_terminals = self.panes_right_aligned_with_pane(terminal_to_check);
|
|
// terminals that are next to each other up to current
|
|
right_aligned_terminals.sort_by_key(|a| a.y());
|
|
for terminal in right_aligned_terminals {
|
|
let terminal_to_check = terminals.last().unwrap_or(&terminal_to_check);
|
|
if terminal.y() == terminal_to_check.y() + terminal_to_check.rows() + 1 {
|
|
terminals.push(terminal);
|
|
}
|
|
}
|
|
// bottom-most border aligned with a pane border to the right
|
|
let mut bottom_resize_border = self.full_screen_ws.rows;
|
|
for terminal in &terminals {
|
|
let top_terminal_boundary = terminal.y();
|
|
if terminal_borders_to_the_right
|
|
.get(&(top_terminal_boundary))
|
|
.is_some()
|
|
&& top_terminal_boundary < bottom_resize_border
|
|
{
|
|
bottom_resize_border = top_terminal_boundary;
|
|
}
|
|
}
|
|
terminals.retain(|terminal| terminal.y() + terminal.rows() <= bottom_resize_border);
|
|
// if there are no adjacent panes to resize, we use the border of the main pane we're
|
|
// resizing
|
|
let bottom_resize_border = if terminals.is_empty() {
|
|
terminal_to_check.y() + terminal_to_check.rows()
|
|
} else {
|
|
bottom_resize_border
|
|
};
|
|
let terminal_ids: Vec<PaneId> = terminals.iter().map(|t| t.pid()).collect();
|
|
(bottom_resize_border, terminal_ids)
|
|
}
|
|
fn left_aligned_contiguous_panes_above(
|
|
&self,
|
|
id: &PaneId,
|
|
terminal_borders_to_the_left: &HashSet<usize>,
|
|
) -> BorderAndPaneIds {
|
|
let mut terminals = vec![];
|
|
let terminal_to_check = self
|
|
.panes
|
|
.get(id)
|
|
.expect("terminal id does not exist")
|
|
.as_ref();
|
|
let mut left_aligned_terminals = self.panes_left_aligned_with_pane(terminal_to_check);
|
|
// terminals that are next to each other up to current
|
|
left_aligned_terminals.sort_by_key(|a| Reverse(a.y()));
|
|
for terminal in left_aligned_terminals {
|
|
let terminal_to_check = terminals.last().unwrap_or(&terminal_to_check);
|
|
if terminal.y() + terminal.rows() + 1 == terminal_to_check.y() {
|
|
terminals.push(terminal);
|
|
}
|
|
}
|
|
// top-most border aligned with a pane border to the right
|
|
let mut top_resize_border = 0;
|
|
for terminal in &terminals {
|
|
let bottom_terminal_boundary = terminal.y() + terminal.rows();
|
|
if terminal_borders_to_the_left
|
|
.get(&(bottom_terminal_boundary + 1))
|
|
.is_some()
|
|
&& top_resize_border < bottom_terminal_boundary
|
|
{
|
|
top_resize_border = bottom_terminal_boundary + 1;
|
|
}
|
|
}
|
|
terminals.retain(|terminal| terminal.y() >= top_resize_border);
|
|
// if there are no adjacent panes to resize, we use the border of the main pane we're
|
|
// resizing
|
|
let top_resize_border = if terminals.is_empty() {
|
|
terminal_to_check.y()
|
|
} else {
|
|
top_resize_border
|
|
};
|
|
let terminal_ids: Vec<PaneId> = terminals.iter().map(|t| t.pid()).collect();
|
|
(top_resize_border, terminal_ids)
|
|
}
|
|
fn left_aligned_contiguous_panes_below(
|
|
&self,
|
|
id: &PaneId,
|
|
terminal_borders_to_the_left: &HashSet<usize>,
|
|
) -> BorderAndPaneIds {
|
|
let mut terminals = vec![];
|
|
let terminal_to_check = self
|
|
.panes
|
|
.get(id)
|
|
.expect("terminal id does not exist")
|
|
.as_ref();
|
|
let mut left_aligned_terminals = self.panes_left_aligned_with_pane(terminal_to_check);
|
|
// terminals that are next to each other up to current
|
|
left_aligned_terminals.sort_by_key(|a| a.y());
|
|
for terminal in left_aligned_terminals {
|
|
let terminal_to_check = terminals.last().unwrap_or(&terminal_to_check);
|
|
if terminal.y() == terminal_to_check.y() + terminal_to_check.rows() + 1 {
|
|
terminals.push(terminal);
|
|
}
|
|
}
|
|
// bottom-most border aligned with a pane border to the left
|
|
let mut bottom_resize_border = self.full_screen_ws.rows;
|
|
for terminal in &terminals {
|
|
let top_terminal_boundary = terminal.y();
|
|
if terminal_borders_to_the_left
|
|
.get(&(top_terminal_boundary))
|
|
.is_some()
|
|
&& top_terminal_boundary < bottom_resize_border
|
|
{
|
|
bottom_resize_border = top_terminal_boundary;
|
|
}
|
|
}
|
|
terminals.retain(|terminal| {
|
|
// terminal.y() + terminal.rows() < bottom_resize_border
|
|
terminal.y() + terminal.rows() <= bottom_resize_border
|
|
});
|
|
// if there are no adjacent panes to resize, we use the border of the main pane we're
|
|
// resizing
|
|
let bottom_resize_border = if terminals.is_empty() {
|
|
terminal_to_check.y() + terminal_to_check.rows()
|
|
} else {
|
|
bottom_resize_border
|
|
};
|
|
let terminal_ids: Vec<PaneId> = terminals.iter().map(|t| t.pid()).collect();
|
|
(bottom_resize_border, terminal_ids)
|
|
}
|
|
fn top_aligned_contiguous_panes_to_the_left(
|
|
&self,
|
|
id: &PaneId,
|
|
terminal_borders_above: &HashSet<usize>,
|
|
) -> BorderAndPaneIds {
|
|
let mut terminals = vec![];
|
|
let terminal_to_check = self
|
|
.panes
|
|
.get(id)
|
|
.expect("terminal id does not exist")
|
|
.as_ref();
|
|
let mut top_aligned_terminals = self.panes_top_aligned_with_pane(terminal_to_check);
|
|
// terminals that are next to each other up to current
|
|
top_aligned_terminals.sort_by_key(|a| Reverse(a.x()));
|
|
for terminal in top_aligned_terminals {
|
|
let terminal_to_check = terminals.last().unwrap_or(&terminal_to_check);
|
|
if terminal.x() + terminal.columns() + 1 == terminal_to_check.x() {
|
|
terminals.push(terminal);
|
|
}
|
|
}
|
|
// leftmost border aligned with a pane border above
|
|
let mut left_resize_border = 0;
|
|
for terminal in &terminals {
|
|
let right_terminal_boundary = terminal.x() + terminal.columns();
|
|
if terminal_borders_above
|
|
.get(&(right_terminal_boundary + 1))
|
|
.is_some()
|
|
&& left_resize_border < right_terminal_boundary
|
|
{
|
|
left_resize_border = right_terminal_boundary + 1;
|
|
}
|
|
}
|
|
terminals.retain(|terminal| terminal.x() >= left_resize_border);
|
|
// if there are no adjacent panes to resize, we use the border of the main pane we're
|
|
// resizing
|
|
let left_resize_border = if terminals.is_empty() {
|
|
terminal_to_check.x()
|
|
} else {
|
|
left_resize_border
|
|
};
|
|
let terminal_ids: Vec<PaneId> = terminals.iter().map(|t| t.pid()).collect();
|
|
(left_resize_border, terminal_ids)
|
|
}
|
|
fn top_aligned_contiguous_panes_to_the_right(
|
|
&self,
|
|
id: &PaneId,
|
|
terminal_borders_above: &HashSet<usize>,
|
|
) -> BorderAndPaneIds {
|
|
let mut terminals = vec![];
|
|
let terminal_to_check = self.panes.get(id).unwrap().as_ref();
|
|
let mut top_aligned_terminals = self.panes_top_aligned_with_pane(terminal_to_check);
|
|
// terminals that are next to each other up to current
|
|
top_aligned_terminals.sort_by_key(|a| a.x());
|
|
for terminal in top_aligned_terminals {
|
|
let terminal_to_check = terminals.last().unwrap_or(&terminal_to_check);
|
|
if terminal.x() == terminal_to_check.x() + terminal_to_check.columns() + 1 {
|
|
terminals.push(terminal);
|
|
}
|
|
}
|
|
// rightmost border aligned with a pane border above
|
|
let mut right_resize_border = self.full_screen_ws.columns;
|
|
for terminal in &terminals {
|
|
let left_terminal_boundary = terminal.x();
|
|
if terminal_borders_above
|
|
.get(&left_terminal_boundary)
|
|
.is_some()
|
|
&& right_resize_border > left_terminal_boundary
|
|
{
|
|
right_resize_border = left_terminal_boundary;
|
|
}
|
|
}
|
|
terminals.retain(|terminal| terminal.x() + terminal.columns() <= right_resize_border);
|
|
// if there are no adjacent panes to resize, we use the border of the main pane we're
|
|
// resizing
|
|
let right_resize_border = if terminals.is_empty() {
|
|
terminal_to_check.x() + terminal_to_check.columns()
|
|
} else {
|
|
right_resize_border
|
|
};
|
|
let terminal_ids: Vec<PaneId> = terminals.iter().map(|t| t.pid()).collect();
|
|
(right_resize_border, terminal_ids)
|
|
}
|
|
fn bottom_aligned_contiguous_panes_to_the_left(
|
|
&self,
|
|
id: &PaneId,
|
|
terminal_borders_below: &HashSet<usize>,
|
|
) -> BorderAndPaneIds {
|
|
let mut terminals = vec![];
|
|
let terminal_to_check = self.panes.get(id).unwrap().as_ref();
|
|
let mut bottom_aligned_terminals = self.panes_bottom_aligned_with_pane(terminal_to_check);
|
|
bottom_aligned_terminals.sort_by_key(|a| Reverse(a.x()));
|
|
// terminals that are next to each other up to current
|
|
for terminal in bottom_aligned_terminals {
|
|
let terminal_to_check = terminals.last().unwrap_or(&terminal_to_check);
|
|
if terminal.x() + terminal.columns() + 1 == terminal_to_check.x() {
|
|
terminals.push(terminal);
|
|
}
|
|
}
|
|
// leftmost border aligned with a pane border above
|
|
let mut left_resize_border = 0;
|
|
for terminal in &terminals {
|
|
let right_terminal_boundary = terminal.x() + terminal.columns();
|
|
if terminal_borders_below
|
|
.get(&(right_terminal_boundary + 1))
|
|
.is_some()
|
|
&& left_resize_border < right_terminal_boundary
|
|
{
|
|
left_resize_border = right_terminal_boundary + 1;
|
|
}
|
|
}
|
|
terminals.retain(|terminal| terminal.x() >= left_resize_border);
|
|
// if there are no adjacent panes to resize, we use the border of the main pane we're
|
|
// resizing
|
|
let left_resize_border = if terminals.is_empty() {
|
|
terminal_to_check.x()
|
|
} else {
|
|
left_resize_border
|
|
};
|
|
let terminal_ids: Vec<PaneId> = terminals.iter().map(|t| t.pid()).collect();
|
|
(left_resize_border, terminal_ids)
|
|
}
|
|
fn bottom_aligned_contiguous_panes_to_the_right(
|
|
&self,
|
|
id: &PaneId,
|
|
terminal_borders_below: &HashSet<usize>,
|
|
) -> BorderAndPaneIds {
|
|
let mut terminals = vec![];
|
|
let terminal_to_check = self.panes.get(id).unwrap().as_ref();
|
|
let mut bottom_aligned_terminals = self.panes_bottom_aligned_with_pane(terminal_to_check);
|
|
bottom_aligned_terminals.sort_by_key(|a| a.x());
|
|
// terminals that are next to each other up to current
|
|
for terminal in bottom_aligned_terminals {
|
|
let terminal_to_check = terminals.last().unwrap_or(&terminal_to_check);
|
|
if terminal.x() == terminal_to_check.x() + terminal_to_check.columns() + 1 {
|
|
terminals.push(terminal);
|
|
}
|
|
}
|
|
// leftmost border aligned with a pane border above
|
|
let mut right_resize_border = self.full_screen_ws.columns;
|
|
for terminal in &terminals {
|
|
let left_terminal_boundary = terminal.x();
|
|
if terminal_borders_below
|
|
.get(&left_terminal_boundary)
|
|
.is_some()
|
|
&& right_resize_border > left_terminal_boundary
|
|
{
|
|
right_resize_border = left_terminal_boundary;
|
|
}
|
|
}
|
|
terminals.retain(|terminal| terminal.x() + terminal.columns() <= right_resize_border);
|
|
let right_resize_border = if terminals.is_empty() {
|
|
terminal_to_check.x() + terminal_to_check.columns()
|
|
} else {
|
|
right_resize_border
|
|
};
|
|
let terminal_ids: Vec<PaneId> = terminals.iter().map(|t| t.pid()).collect();
|
|
(right_resize_border, terminal_ids)
|
|
}
|
|
fn reduce_pane_height_down(&mut self, id: &PaneId, count: usize) {
|
|
let terminal = self.panes.get_mut(id).unwrap();
|
|
terminal.reduce_height_down(count);
|
|
if let PaneId::Terminal(pid) = id {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
*pid,
|
|
terminal.columns() as u16,
|
|
terminal.rows() as u16,
|
|
);
|
|
}
|
|
}
|
|
fn reduce_pane_height_up(&mut self, id: &PaneId, count: usize) {
|
|
let terminal = self.panes.get_mut(id).unwrap();
|
|
terminal.reduce_height_up(count);
|
|
if let PaneId::Terminal(pid) = id {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
*pid,
|
|
terminal.columns() as u16,
|
|
terminal.rows() as u16,
|
|
);
|
|
}
|
|
}
|
|
fn increase_pane_height_down(&mut self, id: &PaneId, count: usize) {
|
|
let terminal = self.panes.get_mut(id).unwrap();
|
|
terminal.increase_height_down(count);
|
|
if let PaneId::Terminal(pid) = terminal.pid() {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
pid,
|
|
terminal.columns() as u16,
|
|
terminal.rows() as u16,
|
|
);
|
|
}
|
|
}
|
|
fn increase_pane_height_up(&mut self, id: &PaneId, count: usize) {
|
|
let terminal = self.panes.get_mut(id).unwrap();
|
|
terminal.increase_height_up(count);
|
|
if let PaneId::Terminal(pid) = terminal.pid() {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
pid,
|
|
terminal.columns() as u16,
|
|
terminal.rows() as u16,
|
|
);
|
|
}
|
|
}
|
|
fn increase_pane_width_right(&mut self, id: &PaneId, count: usize) {
|
|
let terminal = self.panes.get_mut(id).unwrap();
|
|
terminal.increase_width_right(count);
|
|
if let PaneId::Terminal(pid) = terminal.pid() {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
pid,
|
|
terminal.columns() as u16,
|
|
terminal.rows() as u16,
|
|
);
|
|
}
|
|
}
|
|
fn increase_pane_width_left(&mut self, id: &PaneId, count: usize) {
|
|
let terminal = self.panes.get_mut(id).unwrap();
|
|
terminal.increase_width_left(count);
|
|
if let PaneId::Terminal(pid) = terminal.pid() {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
pid,
|
|
terminal.columns() as u16,
|
|
terminal.rows() as u16,
|
|
);
|
|
}
|
|
}
|
|
fn reduce_pane_width_right(&mut self, id: &PaneId, count: usize) {
|
|
let terminal = self.panes.get_mut(id).unwrap();
|
|
terminal.reduce_width_right(count);
|
|
if let PaneId::Terminal(pid) = terminal.pid() {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
pid,
|
|
terminal.columns() as u16,
|
|
terminal.rows() as u16,
|
|
);
|
|
}
|
|
}
|
|
fn reduce_pane_width_left(&mut self, id: &PaneId, count: usize) {
|
|
let terminal = self.panes.get_mut(id).unwrap();
|
|
terminal.reduce_width_left(count);
|
|
if let PaneId::Terminal(pid) = terminal.pid() {
|
|
self.os_api.set_terminal_size_using_fd(
|
|
pid,
|
|
terminal.columns() as u16,
|
|
terminal.rows() as u16,
|
|
);
|
|
}
|
|
}
|
|
fn pane_is_between_vertical_borders(
|
|
&self,
|
|
id: &PaneId,
|
|
left_border_x: usize,
|
|
right_border_x: usize,
|
|
) -> bool {
|
|
let terminal = self
|
|
.panes
|
|
.get(id)
|
|
.expect("could not find terminal to check between borders");
|
|
terminal.x() >= left_border_x && terminal.x() + terminal.columns() <= right_border_x
|
|
}
|
|
fn pane_is_between_horizontal_borders(
|
|
&self,
|
|
id: &PaneId,
|
|
top_border_y: usize,
|
|
bottom_border_y: usize,
|
|
) -> bool {
|
|
let terminal = self
|
|
.panes
|
|
.get(id)
|
|
.expect("could not find terminal to check between borders");
|
|
terminal.y() >= top_border_y && terminal.y() + terminal.rows() <= bottom_border_y
|
|
}
|
|
fn reduce_pane_and_surroundings_up(&mut self, id: &PaneId, count: usize) {
|
|
let mut terminals_below = self
|
|
.pane_ids_directly_below(&id)
|
|
.expect("can't reduce pane size up if there are no terminals below");
|
|
let terminal_borders_below: HashSet<usize> = terminals_below
|
|
.iter()
|
|
.map(|t| self.panes.get(t).unwrap().x())
|
|
.collect();
|
|
let (left_resize_border, terminals_to_the_left) =
|
|
self.bottom_aligned_contiguous_panes_to_the_left(&id, &terminal_borders_below);
|
|
let (right_resize_border, terminals_to_the_right) =
|
|
self.bottom_aligned_contiguous_panes_to_the_right(&id, &terminal_borders_below);
|
|
terminals_below.retain(|t| {
|
|
self.pane_is_between_vertical_borders(t, left_resize_border, right_resize_border)
|
|
});
|
|
self.reduce_pane_height_up(&id, count);
|
|
for terminal_id in terminals_below {
|
|
self.increase_pane_height_up(&terminal_id, count);
|
|
}
|
|
for terminal_id in terminals_to_the_left
|
|
.iter()
|
|
.chain(terminals_to_the_right.iter())
|
|
{
|
|
self.reduce_pane_height_up(&terminal_id, count);
|
|
}
|
|
}
|
|
fn reduce_pane_and_surroundings_down(&mut self, id: &PaneId, count: usize) {
|
|
let mut terminals_above = self
|
|
.pane_ids_directly_above(&id)
|
|
.expect("can't reduce pane size down if there are no terminals above");
|
|
let terminal_borders_above: HashSet<usize> = terminals_above
|
|
.iter()
|
|
.map(|t| self.panes.get(t).unwrap().x())
|
|
.collect();
|
|
let (left_resize_border, terminals_to_the_left) =
|
|
self.top_aligned_contiguous_panes_to_the_left(&id, &terminal_borders_above);
|
|
let (right_resize_border, terminals_to_the_right) =
|
|
self.top_aligned_contiguous_panes_to_the_right(&id, &terminal_borders_above);
|
|
terminals_above.retain(|t| {
|
|
self.pane_is_between_vertical_borders(t, left_resize_border, right_resize_border)
|
|
});
|
|
self.reduce_pane_height_down(&id, count);
|
|
for terminal_id in terminals_above {
|
|
self.increase_pane_height_down(&terminal_id, count);
|
|
}
|
|
for terminal_id in terminals_to_the_left
|
|
.iter()
|
|
.chain(terminals_to_the_right.iter())
|
|
{
|
|
self.reduce_pane_height_down(&terminal_id, count);
|
|
}
|
|
}
|
|
fn reduce_pane_and_surroundings_right(&mut self, id: &PaneId, count: usize) {
|
|
let mut terminals_to_the_left = self
|
|
.pane_ids_directly_left_of(&id)
|
|
.expect("can't reduce pane size right if there are no terminals to the left");
|
|
let terminal_borders_to_the_left: HashSet<usize> = terminals_to_the_left
|
|
.iter()
|
|
.map(|t| self.panes.get(t).unwrap().y())
|
|
.collect();
|
|
let (top_resize_border, terminals_above) =
|
|
self.left_aligned_contiguous_panes_above(&id, &terminal_borders_to_the_left);
|
|
let (bottom_resize_border, terminals_below) =
|
|
self.left_aligned_contiguous_panes_below(&id, &terminal_borders_to_the_left);
|
|
terminals_to_the_left.retain(|t| {
|
|
self.pane_is_between_horizontal_borders(t, top_resize_border, bottom_resize_border)
|
|
});
|
|
self.reduce_pane_width_right(&id, count);
|
|
for terminal_id in terminals_to_the_left {
|
|
self.increase_pane_width_right(&terminal_id, count);
|
|
}
|
|
for terminal_id in terminals_above.iter().chain(terminals_below.iter()) {
|
|
self.reduce_pane_width_right(&terminal_id, count);
|
|
}
|
|
}
|
|
fn reduce_pane_and_surroundings_left(&mut self, id: &PaneId, count: usize) {
|
|
let mut terminals_to_the_right = self
|
|
.pane_ids_directly_right_of(&id)
|
|
.expect("can't reduce pane size left if there are no terminals to the right");
|
|
let terminal_borders_to_the_right: HashSet<usize> = terminals_to_the_right
|
|
.iter()
|
|
.map(|t| self.panes.get(t).unwrap().y())
|
|
.collect();
|
|
let (top_resize_border, terminals_above) =
|
|
self.right_aligned_contiguous_panes_above(&id, &terminal_borders_to_the_right);
|
|
let (bottom_resize_border, terminals_below) =
|
|
self.right_aligned_contiguous_panes_below(&id, &terminal_borders_to_the_right);
|
|
terminals_to_the_right.retain(|t| {
|
|
self.pane_is_between_horizontal_borders(t, top_resize_border, bottom_resize_border)
|
|
});
|
|
self.reduce_pane_width_left(&id, count);
|
|
for terminal_id in terminals_to_the_right {
|
|
self.increase_pane_width_left(&terminal_id, count);
|
|
}
|
|
for terminal_id in terminals_above.iter().chain(terminals_below.iter()) {
|
|
self.reduce_pane_width_left(&terminal_id, count);
|
|
}
|
|
}
|
|
fn increase_pane_and_surroundings_up(&mut self, id: &PaneId, count: usize) {
|
|
let mut terminals_above = self
|
|
.pane_ids_directly_above(&id)
|
|
.expect("can't increase pane size up if there are no terminals above");
|
|
let terminal_borders_above: HashSet<usize> = terminals_above
|
|
.iter()
|
|
.map(|t| self.panes.get(t).unwrap().x())
|
|
.collect();
|
|
let (left_resize_border, terminals_to_the_left) =
|
|
self.top_aligned_contiguous_panes_to_the_left(&id, &terminal_borders_above);
|
|
let (right_resize_border, terminals_to_the_right) =
|
|
self.top_aligned_contiguous_panes_to_the_right(&id, &terminal_borders_above);
|
|
terminals_above.retain(|t| {
|
|
self.pane_is_between_vertical_borders(t, left_resize_border, right_resize_border)
|
|
});
|
|
self.increase_pane_height_up(&id, count);
|
|
for terminal_id in terminals_above {
|
|
self.reduce_pane_height_up(&terminal_id, count);
|
|
}
|
|
for terminal_id in terminals_to_the_left
|
|
.iter()
|
|
.chain(terminals_to_the_right.iter())
|
|
{
|
|
self.increase_pane_height_up(&terminal_id, count);
|
|
}
|
|
}
|
|
fn increase_pane_and_surroundings_down(&mut self, id: &PaneId, count: usize) {
|
|
let mut terminals_below = self
|
|
.pane_ids_directly_below(&id)
|
|
.expect("can't increase pane size down if there are no terminals below");
|
|
let terminal_borders_below: HashSet<usize> = terminals_below
|
|
.iter()
|
|
.map(|t| self.panes.get(t).unwrap().x())
|
|
.collect();
|
|
let (left_resize_border, terminals_to_the_left) =
|
|
self.bottom_aligned_contiguous_panes_to_the_left(&id, &terminal_borders_below);
|
|
let (right_resize_border, terminals_to_the_right) =
|
|
self.bottom_aligned_contiguous_panes_to_the_right(&id, &terminal_borders_below);
|
|
terminals_below.retain(|t| {
|
|
self.pane_is_between_vertical_borders(t, left_resize_border, right_resize_border)
|
|
});
|
|
self.increase_pane_height_down(&id, count);
|
|
for terminal_id in terminals_below {
|
|
self.reduce_pane_height_down(&terminal_id, count);
|
|
}
|
|
for terminal_id in terminals_to_the_left
|
|
.iter()
|
|
.chain(terminals_to_the_right.iter())
|
|
{
|
|
self.increase_pane_height_down(&terminal_id, count);
|
|
}
|
|
}
|
|
fn increase_pane_and_surroundings_right(&mut self, id: &PaneId, count: usize) {
|
|
let mut terminals_to_the_right = self
|
|
.pane_ids_directly_right_of(&id)
|
|
.expect("can't increase pane size right if there are no terminals to the right");
|
|
let terminal_borders_to_the_right: HashSet<usize> = terminals_to_the_right
|
|
.iter()
|
|
.map(|t| self.panes.get(t).unwrap().y())
|
|
.collect();
|
|
let (top_resize_border, terminals_above) =
|
|
self.right_aligned_contiguous_panes_above(&id, &terminal_borders_to_the_right);
|
|
let (bottom_resize_border, terminals_below) =
|
|
self.right_aligned_contiguous_panes_below(&id, &terminal_borders_to_the_right);
|
|
terminals_to_the_right.retain(|t| {
|
|
self.pane_is_between_horizontal_borders(t, top_resize_border, bottom_resize_border)
|
|
});
|
|
self.increase_pane_width_right(&id, count);
|
|
for terminal_id in terminals_to_the_right {
|
|
self.reduce_pane_width_right(&terminal_id, count);
|
|
}
|
|
for terminal_id in terminals_above.iter().chain(terminals_below.iter()) {
|
|
self.increase_pane_width_right(&terminal_id, count);
|
|
}
|
|
}
|
|
fn increase_pane_and_surroundings_left(&mut self, id: &PaneId, count: usize) {
|
|
let mut terminals_to_the_left = self
|
|
.pane_ids_directly_left_of(&id)
|
|
.expect("can't increase pane size right if there are no terminals to the right");
|
|
let terminal_borders_to_the_left: HashSet<usize> = terminals_to_the_left
|
|
.iter()
|
|
.map(|t| self.panes.get(t).unwrap().y())
|
|
.collect();
|
|
let (top_resize_border, terminals_above) =
|
|
self.left_aligned_contiguous_panes_above(&id, &terminal_borders_to_the_left);
|
|
let (bottom_resize_border, terminals_below) =
|
|
self.left_aligned_contiguous_panes_below(&id, &terminal_borders_to_the_left);
|
|
terminals_to_the_left.retain(|t| {
|
|
self.pane_is_between_horizontal_borders(t, top_resize_border, bottom_resize_border)
|
|
});
|
|
self.increase_pane_width_left(&id, count);
|
|
for terminal_id in terminals_to_the_left {
|
|
self.reduce_pane_width_left(&terminal_id, count);
|
|
}
|
|
for terminal_id in terminals_above.iter().chain(terminals_below.iter()) {
|
|
self.increase_pane_width_left(&terminal_id, count);
|
|
}
|
|
}
|
|
fn can_increase_pane_and_surroundings_right(
|
|
&self,
|
|
pane_id: &PaneId,
|
|
increase_by: usize,
|
|
) -> bool {
|
|
let pane = self.panes.get(pane_id).unwrap();
|
|
let can_increase_pane_size = pane
|
|
.max_width()
|
|
.map(|max_width| pane.columns() + increase_by <= max_width)
|
|
.unwrap_or(true); // no max width, increase to your heart's content
|
|
if !can_increase_pane_size {
|
|
return false;
|
|
}
|
|
let mut new_pos_and_size_for_pane = pane.position_and_size();
|
|
new_pos_and_size_for_pane.columns += increase_by;
|
|
|
|
if let Some(panes_to_the_right) = self.pane_ids_directly_right_of(&pane_id) {
|
|
return panes_to_the_right.iter().all(|id| {
|
|
let p = self.panes.get(id).unwrap();
|
|
p.columns() > increase_by && p.columns() - increase_by >= p.min_width()
|
|
});
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
fn can_increase_pane_and_surroundings_left(
|
|
&self,
|
|
pane_id: &PaneId,
|
|
increase_by: usize,
|
|
) -> bool {
|
|
let pane = self.panes.get(pane_id).unwrap();
|
|
let can_increase_pane_size = pane
|
|
.max_width()
|
|
.map(|max_width| pane.columns() + increase_by <= max_width)
|
|
.unwrap_or(true); // no max width, increase to your heart's content
|
|
if !can_increase_pane_size {
|
|
return false;
|
|
}
|
|
let mut new_pos_and_size_for_pane = pane.position_and_size();
|
|
new_pos_and_size_for_pane.x = new_pos_and_size_for_pane.x.saturating_sub(increase_by);
|
|
|
|
if let Some(panes_to_the_left) = self.pane_ids_directly_left_of(&pane_id) {
|
|
return panes_to_the_left.iter().all(|id| {
|
|
let p = self.panes.get(id).unwrap();
|
|
p.columns() > increase_by && p.columns() - increase_by >= p.min_width()
|
|
});
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
fn can_increase_pane_and_surroundings_down(
|
|
&self,
|
|
pane_id: &PaneId,
|
|
increase_by: usize,
|
|
) -> bool {
|
|
let pane = self.panes.get(pane_id).unwrap();
|
|
let can_increase_pane_size = pane
|
|
.max_height()
|
|
.map(|max_height| pane.rows() + increase_by <= max_height)
|
|
.unwrap_or(true); // no max width, increase to your heart's content
|
|
if !can_increase_pane_size {
|
|
return false;
|
|
}
|
|
let mut new_pos_and_size_for_pane = pane.position_and_size();
|
|
new_pos_and_size_for_pane.rows += increase_by;
|
|
|
|
if let Some(panes_below) = self.pane_ids_directly_below(&pane_id) {
|
|
return panes_below.iter().all(|id| {
|
|
let p = self.panes.get(id).unwrap();
|
|
p.rows() > increase_by && p.rows() - increase_by >= p.min_height()
|
|
});
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
fn can_increase_pane_and_surroundings_up(&self, pane_id: &PaneId, increase_by: usize) -> bool {
|
|
let pane = self.panes.get(pane_id).unwrap();
|
|
let can_increase_pane_size = pane
|
|
.max_height()
|
|
.map(|max_height| pane.rows() + increase_by <= max_height)
|
|
.unwrap_or(true); // no max width, increase to your heart's content
|
|
if !can_increase_pane_size {
|
|
return false;
|
|
}
|
|
let mut new_pos_and_size_for_pane = pane.position_and_size();
|
|
new_pos_and_size_for_pane.y = new_pos_and_size_for_pane.y.saturating_sub(increase_by);
|
|
|
|
if let Some(panes_above) = self.pane_ids_directly_above(&pane_id) {
|
|
return panes_above.iter().all(|id| {
|
|
let p = self.panes.get(id).unwrap();
|
|
p.rows() > increase_by && p.rows() - increase_by >= p.min_height()
|
|
});
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
fn can_reduce_pane_and_surroundings_right(&self, pane_id: &PaneId, reduce_by: usize) -> bool {
|
|
let pane = self.panes.get(pane_id).unwrap();
|
|
let pane_columns = pane.columns();
|
|
let can_reduce_pane_size =
|
|
pane_columns > reduce_by && pane_columns - reduce_by >= pane.min_width();
|
|
if !can_reduce_pane_size {
|
|
return false;
|
|
}
|
|
if let Some(panes_to_the_left) = self.pane_ids_directly_left_of(&pane_id) {
|
|
return panes_to_the_left.iter().all(|id| {
|
|
let p = self.panes.get(id).unwrap();
|
|
p.max_width()
|
|
.map(|max_width| p.columns() + reduce_by <= max_width)
|
|
.unwrap_or(true) // no max width, increase to your heart's content
|
|
});
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
fn can_reduce_pane_and_surroundings_left(&self, pane_id: &PaneId, reduce_by: usize) -> bool {
|
|
let pane = self.panes.get(pane_id).unwrap();
|
|
let pane_columns = pane.columns();
|
|
let can_reduce_pane_size =
|
|
pane_columns > reduce_by && pane_columns - reduce_by >= pane.min_width();
|
|
if !can_reduce_pane_size {
|
|
return false;
|
|
}
|
|
if let Some(panes_to_the_right) = self.pane_ids_directly_right_of(&pane_id) {
|
|
return panes_to_the_right.iter().all(|id| {
|
|
let p = self.panes.get(id).unwrap();
|
|
p.max_width()
|
|
.map(|max_width| p.columns() + reduce_by <= max_width)
|
|
.unwrap_or(true) // no max width, increase to your heart's content
|
|
});
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
fn can_reduce_pane_and_surroundings_down(&self, pane_id: &PaneId, reduce_by: usize) -> bool {
|
|
let pane = self.panes.get(pane_id).unwrap();
|
|
let pane_rows = pane.rows();
|
|
let can_reduce_pane_size =
|
|
pane_rows > reduce_by && pane_rows - reduce_by >= pane.min_height();
|
|
if !can_reduce_pane_size {
|
|
return false;
|
|
}
|
|
if let Some(panes_above) = self.pane_ids_directly_above(&pane_id) {
|
|
return panes_above.iter().all(|id| {
|
|
let p = self.panes.get(id).unwrap();
|
|
p.max_height()
|
|
.map(|max_height| p.rows() + reduce_by <= max_height)
|
|
.unwrap_or(true) // no max height, increase to your heart's content
|
|
});
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
fn can_reduce_pane_and_surroundings_up(&self, pane_id: &PaneId, reduce_by: usize) -> bool {
|
|
let pane = self.panes.get(pane_id).unwrap();
|
|
let pane_rows = pane.rows();
|
|
let can_reduce_pane_size =
|
|
pane_rows > reduce_by && pane_rows - reduce_by >= pane.min_height();
|
|
if !can_reduce_pane_size {
|
|
return false;
|
|
}
|
|
if let Some(panes_below) = self.pane_ids_directly_below(&pane_id) {
|
|
return panes_below.iter().all(|id| {
|
|
let p = self.panes.get(id).unwrap();
|
|
p.max_height()
|
|
.map(|max_height| p.rows() + reduce_by <= max_height)
|
|
.unwrap_or(true) // no max height, increase to your heart's content
|
|
});
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
pub fn resize_whole_tab(&mut self, new_screen_size: PositionAndSize) {
|
|
if self.fullscreen_is_active {
|
|
// this is not ideal, we can improve this
|
|
self.toggle_active_pane_fullscreen();
|
|
}
|
|
if let Some((column_difference, row_difference)) =
|
|
PaneResizer::new(&mut self.panes, &mut self.os_api)
|
|
.resize(self.full_screen_ws, new_screen_size)
|
|
{
|
|
self.should_clear_display_before_rendering = true;
|
|
self.full_screen_ws.columns =
|
|
(self.full_screen_ws.columns as isize + column_difference) as usize;
|
|
self.full_screen_ws.rows =
|
|
(self.full_screen_ws.rows as isize + row_difference) as usize;
|
|
};
|
|
}
|
|
pub fn resize_left(&mut self) {
|
|
// TODO: find out by how much we actually reduced and only reduce by that much
|
|
let count = 10;
|
|
if let Some(active_pane_id) = self.get_active_pane_id() {
|
|
if self.can_increase_pane_and_surroundings_left(&active_pane_id, count) {
|
|
self.increase_pane_and_surroundings_left(&active_pane_id, count);
|
|
} else if self.can_reduce_pane_and_surroundings_left(&active_pane_id, count) {
|
|
self.reduce_pane_and_surroundings_left(&active_pane_id, count);
|
|
}
|
|
}
|
|
self.render();
|
|
}
|
|
pub fn resize_right(&mut self) {
|
|
// TODO: find out by how much we actually reduced and only reduce by that much
|
|
let count = 10;
|
|
if let Some(active_pane_id) = self.get_active_pane_id() {
|
|
if self.can_increase_pane_and_surroundings_right(&active_pane_id, count) {
|
|
self.increase_pane_and_surroundings_right(&active_pane_id, count);
|
|
} else if self.can_reduce_pane_and_surroundings_right(&active_pane_id, count) {
|
|
self.reduce_pane_and_surroundings_right(&active_pane_id, count);
|
|
}
|
|
}
|
|
self.render();
|
|
}
|
|
pub fn resize_down(&mut self) {
|
|
// TODO: find out by how much we actually reduced and only reduce by that much
|
|
let count = 2;
|
|
if let Some(active_pane_id) = self.get_active_pane_id() {
|
|
if self.can_increase_pane_and_surroundings_down(&active_pane_id, count) {
|
|
self.increase_pane_and_surroundings_down(&active_pane_id, count);
|
|
} else if self.can_reduce_pane_and_surroundings_down(&active_pane_id, count) {
|
|
self.reduce_pane_and_surroundings_down(&active_pane_id, count);
|
|
}
|
|
}
|
|
self.render();
|
|
}
|
|
pub fn resize_up(&mut self) {
|
|
// TODO: find out by how much we actually reduced and only reduce by that much
|
|
let count = 2;
|
|
if let Some(active_pane_id) = self.get_active_pane_id() {
|
|
if self.can_increase_pane_and_surroundings_up(&active_pane_id, count) {
|
|
self.increase_pane_and_surroundings_up(&active_pane_id, count);
|
|
} else if self.can_reduce_pane_and_surroundings_up(&active_pane_id, count) {
|
|
self.reduce_pane_and_surroundings_up(&active_pane_id, count);
|
|
}
|
|
}
|
|
self.render();
|
|
}
|
|
pub fn move_focus(&mut self) {
|
|
if !self.has_selectable_panes() {
|
|
return;
|
|
}
|
|
if self.fullscreen_is_active {
|
|
return;
|
|
}
|
|
let active_terminal_id = self.get_active_pane_id().unwrap();
|
|
let terminal_ids: Vec<PaneId> = self.get_selectable_panes().map(|(&pid, _)| pid).collect(); // TODO: better, no allocations
|
|
let first_terminal = terminal_ids.get(0).unwrap();
|
|
let active_terminal_id_position = terminal_ids
|
|
.iter()
|
|
.position(|id| id == &active_terminal_id)
|
|
.unwrap();
|
|
if let Some(next_terminal) = terminal_ids.get(active_terminal_id_position + 1) {
|
|
self.active_terminal = Some(*next_terminal);
|
|
} else {
|
|
self.active_terminal = Some(*first_terminal);
|
|
}
|
|
self.render();
|
|
}
|
|
pub fn focus_next_pane(&mut self) {
|
|
if !self.has_selectable_panes() {
|
|
return;
|
|
}
|
|
if self.fullscreen_is_active {
|
|
return;
|
|
}
|
|
let active_pane_id = self.get_active_pane_id().unwrap();
|
|
let mut panes: Vec<(&PaneId, &Box<dyn Pane>)> = self.get_selectable_panes().collect();
|
|
panes.sort_by(|(_a_id, a_pane), (_b_id, b_pane)| {
|
|
if a_pane.y() == b_pane.y() {
|
|
a_pane.x().cmp(&b_pane.x())
|
|
} else {
|
|
a_pane.y().cmp(&b_pane.y())
|
|
}
|
|
});
|
|
let first_pane = panes.get(0).unwrap();
|
|
let active_pane_position = panes
|
|
.iter()
|
|
.position(|(id, _)| *id == &active_pane_id) // TODO: better
|
|
.unwrap();
|
|
if let Some(next_pane) = panes.get(active_pane_position + 1) {
|
|
self.active_terminal = Some(*next_pane.0);
|
|
} else {
|
|
self.active_terminal = Some(*first_pane.0);
|
|
}
|
|
self.render();
|
|
}
|
|
pub fn focus_previous_pane(&mut self) {
|
|
if !self.has_selectable_panes() {
|
|
return;
|
|
}
|
|
if self.fullscreen_is_active {
|
|
return;
|
|
}
|
|
let active_pane_id = self.get_active_pane_id().unwrap();
|
|
let mut panes: Vec<(&PaneId, &Box<dyn Pane>)> = self.get_selectable_panes().collect();
|
|
panes.sort_by(|(_a_id, a_pane), (_b_id, b_pane)| {
|
|
if a_pane.y() == b_pane.y() {
|
|
a_pane.x().cmp(&b_pane.x())
|
|
} else {
|
|
a_pane.y().cmp(&b_pane.y())
|
|
}
|
|
});
|
|
let last_pane = panes.last().unwrap();
|
|
let active_pane_position = panes
|
|
.iter()
|
|
.position(|(id, _)| *id == &active_pane_id) // TODO: better
|
|
.unwrap();
|
|
if active_pane_position == 0 {
|
|
self.active_terminal = Some(*last_pane.0);
|
|
} else {
|
|
self.active_terminal = Some(*panes.get(active_pane_position - 1).unwrap().0);
|
|
}
|
|
self.render();
|
|
}
|
|
// returns a boolean that indicates whether the focus moved
|
|
pub fn move_focus_left(&mut self) -> bool {
|
|
if !self.has_selectable_panes() {
|
|
return false;
|
|
}
|
|
if self.fullscreen_is_active {
|
|
return false;
|
|
}
|
|
let active_terminal = self.get_active_pane();
|
|
if let Some(active) = active_terminal {
|
|
let terminals = self.get_selectable_panes();
|
|
let next_index = terminals
|
|
.enumerate()
|
|
.filter(|(_, (_, c))| {
|
|
c.is_directly_left_of(active) && c.horizontally_overlaps_with(active)
|
|
})
|
|
.max_by_key(|(_, (_, c))| c.active_at())
|
|
.map(|(_, (pid, _))| pid);
|
|
match next_index {
|
|
Some(&p) => {
|
|
self.active_terminal = Some(p);
|
|
self.render();
|
|
return true;
|
|
}
|
|
None => {
|
|
self.active_terminal = Some(active.pid());
|
|
}
|
|
}
|
|
} else {
|
|
self.active_terminal = Some(active_terminal.unwrap().pid());
|
|
}
|
|
false
|
|
}
|
|
pub fn move_focus_down(&mut self) {
|
|
if !self.has_selectable_panes() {
|
|
return;
|
|
}
|
|
if self.fullscreen_is_active {
|
|
return;
|
|
}
|
|
let active_terminal = self.get_active_pane();
|
|
if let Some(active) = active_terminal {
|
|
let terminals = self.get_selectable_panes();
|
|
let next_index = terminals
|
|
.enumerate()
|
|
.filter(|(_, (_, c))| {
|
|
c.is_directly_below(active) && c.vertically_overlaps_with(active)
|
|
})
|
|
.max_by_key(|(_, (_, c))| c.active_at())
|
|
.map(|(_, (pid, _))| pid);
|
|
match next_index {
|
|
Some(&p) => {
|
|
self.active_terminal = Some(p);
|
|
}
|
|
None => {
|
|
self.active_terminal = Some(active.pid());
|
|
}
|
|
}
|
|
} else {
|
|
self.active_terminal = Some(active_terminal.unwrap().pid());
|
|
}
|
|
self.render();
|
|
}
|
|
pub fn move_focus_up(&mut self) {
|
|
if !self.has_selectable_panes() {
|
|
return;
|
|
}
|
|
if self.fullscreen_is_active {
|
|
return;
|
|
}
|
|
let active_terminal = self.get_active_pane();
|
|
if let Some(active) = active_terminal {
|
|
let terminals = self.get_selectable_panes();
|
|
let next_index = terminals
|
|
.enumerate()
|
|
.filter(|(_, (_, c))| {
|
|
c.is_directly_above(active) && c.vertically_overlaps_with(active)
|
|
})
|
|
.max_by_key(|(_, (_, c))| c.active_at())
|
|
.map(|(_, (pid, _))| pid);
|
|
match next_index {
|
|
Some(&p) => {
|
|
self.active_terminal = Some(p);
|
|
}
|
|
None => {
|
|
self.active_terminal = Some(active.pid());
|
|
}
|
|
}
|
|
} else {
|
|
self.active_terminal = Some(active_terminal.unwrap().pid());
|
|
}
|
|
self.render();
|
|
}
|
|
// returns a boolean that indicates whether the focus moved
|
|
pub fn move_focus_right(&mut self) -> bool {
|
|
if !self.has_selectable_panes() {
|
|
return false;
|
|
}
|
|
if self.fullscreen_is_active {
|
|
return false;
|
|
}
|
|
let active_terminal = self.get_active_pane();
|
|
if let Some(active) = active_terminal {
|
|
let terminals = self.get_selectable_panes();
|
|
let next_index = terminals
|
|
.enumerate()
|
|
.filter(|(_, (_, c))| {
|
|
c.is_directly_right_of(active) && c.horizontally_overlaps_with(active)
|
|
})
|
|
.max_by_key(|(_, (_, c))| c.active_at())
|
|
.map(|(_, (pid, _))| pid);
|
|
match next_index {
|
|
Some(&p) => {
|
|
self.active_terminal = Some(p);
|
|
self.render();
|
|
return true;
|
|
}
|
|
None => {
|
|
self.active_terminal = Some(active.pid());
|
|
}
|
|
}
|
|
} else {
|
|
self.active_terminal = Some(active_terminal.unwrap().pid());
|
|
}
|
|
false
|
|
}
|
|
fn horizontal_borders(&self, terminals: &[PaneId]) -> HashSet<usize> {
|
|
terminals.iter().fold(HashSet::new(), |mut borders, t| {
|
|
let terminal = self.panes.get(t).unwrap();
|
|
borders.insert(terminal.y());
|
|
borders.insert(terminal.y() + terminal.rows() + 1); // 1 for the border width
|
|
borders
|
|
})
|
|
}
|
|
fn vertical_borders(&self, terminals: &[PaneId]) -> HashSet<usize> {
|
|
terminals.iter().fold(HashSet::new(), |mut borders, t| {
|
|
let terminal = self.panes.get(t).unwrap();
|
|
borders.insert(terminal.x());
|
|
borders.insert(terminal.x() + terminal.columns() + 1); // 1 for the border width
|
|
borders
|
|
})
|
|
}
|
|
fn panes_to_the_left_between_aligning_borders(&self, id: PaneId) -> Option<Vec<PaneId>> {
|
|
if let Some(terminal) = self.panes.get(&id) {
|
|
let upper_close_border = terminal.y();
|
|
let lower_close_border = terminal.y() + terminal.rows() + 1;
|
|
|
|
if let Some(mut terminals_to_the_left) = self.pane_ids_directly_left_of(&id) {
|
|
let terminal_borders_to_the_left = self.horizontal_borders(&terminals_to_the_left);
|
|
if terminal_borders_to_the_left.contains(&upper_close_border)
|
|
&& terminal_borders_to_the_left.contains(&lower_close_border)
|
|
{
|
|
terminals_to_the_left.retain(|t| {
|
|
self.pane_is_between_horizontal_borders(
|
|
t,
|
|
upper_close_border,
|
|
lower_close_border,
|
|
)
|
|
});
|
|
return Some(terminals_to_the_left);
|
|
}
|
|
}
|
|
}
|
|
None
|
|
}
|
|
fn panes_to_the_right_between_aligning_borders(&self, id: PaneId) -> Option<Vec<PaneId>> {
|
|
if let Some(terminal) = self.panes.get(&id) {
|
|
let upper_close_border = terminal.y();
|
|
let lower_close_border = terminal.y() + terminal.rows() + 1;
|
|
|
|
if let Some(mut terminals_to_the_right) = self.pane_ids_directly_right_of(&id) {
|
|
let terminal_borders_to_the_right =
|
|
self.horizontal_borders(&terminals_to_the_right);
|
|
if terminal_borders_to_the_right.contains(&upper_close_border)
|
|
&& terminal_borders_to_the_right.contains(&lower_close_border)
|
|
{
|
|
terminals_to_the_right.retain(|t| {
|
|
self.pane_is_between_horizontal_borders(
|
|
t,
|
|
upper_close_border,
|
|
lower_close_border,
|
|
)
|
|
});
|
|
return Some(terminals_to_the_right);
|
|
}
|
|
}
|
|
}
|
|
None
|
|
}
|
|
fn panes_above_between_aligning_borders(&self, id: PaneId) -> Option<Vec<PaneId>> {
|
|
if let Some(terminal) = self.panes.get(&id) {
|
|
let left_close_border = terminal.x();
|
|
let right_close_border = terminal.x() + terminal.columns() + 1;
|
|
|
|
if let Some(mut terminals_above) = self.pane_ids_directly_above(&id) {
|
|
let terminal_borders_above = self.vertical_borders(&terminals_above);
|
|
if terminal_borders_above.contains(&left_close_border)
|
|
&& terminal_borders_above.contains(&right_close_border)
|
|
{
|
|
terminals_above.retain(|t| {
|
|
self.pane_is_between_vertical_borders(
|
|
t,
|
|
left_close_border,
|
|
right_close_border,
|
|
)
|
|
});
|
|
return Some(terminals_above);
|
|
}
|
|
}
|
|
}
|
|
None
|
|
}
|
|
fn panes_below_between_aligning_borders(&self, id: PaneId) -> Option<Vec<PaneId>> {
|
|
if let Some(terminal) = self.panes.get(&id) {
|
|
let left_close_border = terminal.x();
|
|
let right_close_border = terminal.x() + terminal.columns() + 1;
|
|
|
|
if let Some(mut terminals_below) = self.pane_ids_directly_below(&id) {
|
|
let terminal_borders_below = self.vertical_borders(&terminals_below);
|
|
if terminal_borders_below.contains(&left_close_border)
|
|
&& terminal_borders_below.contains(&right_close_border)
|
|
{
|
|
terminals_below.retain(|t| {
|
|
self.pane_is_between_vertical_borders(
|
|
t,
|
|
left_close_border,
|
|
right_close_border,
|
|
)
|
|
});
|
|
return Some(terminals_below);
|
|
}
|
|
}
|
|
}
|
|
None
|
|
}
|
|
fn close_down_to_max_terminals(&mut self) {
|
|
if let Some(max_panes) = self.max_panes {
|
|
let terminals = self.get_pane_ids();
|
|
for &pid in terminals.iter().skip(max_panes - 1) {
|
|
self.senders
|
|
.send_to_pty(PtyInstruction::ClosePane(pid))
|
|
.unwrap();
|
|
self.close_pane_without_rerender(pid);
|
|
}
|
|
}
|
|
}
|
|
pub fn get_pane_ids(&self) -> Vec<PaneId> {
|
|
self.get_panes().map(|(&pid, _)| pid).collect()
|
|
}
|
|
pub fn set_pane_selectable(&mut self, id: PaneId, selectable: bool) {
|
|
if let Some(pane) = self.panes.get_mut(&id) {
|
|
pane.set_selectable(selectable);
|
|
if self.get_active_pane_id() == Some(id) && !selectable {
|
|
self.active_terminal = self.next_active_pane(self.get_pane_ids())
|
|
}
|
|
}
|
|
}
|
|
pub fn set_pane_invisible_borders(&mut self, id: PaneId, invisible_borders: bool) {
|
|
if let Some(pane) = self.panes.get_mut(&id) {
|
|
pane.set_invisible_borders(invisible_borders);
|
|
}
|
|
}
|
|
pub fn set_pane_max_height(&mut self, id: PaneId, max_height: usize) {
|
|
if let Some(pane) = self.panes.get_mut(&id) {
|
|
pane.set_max_height(max_height);
|
|
}
|
|
}
|
|
pub fn close_pane(&mut self, id: PaneId) {
|
|
if self.panes.get(&id).is_some() {
|
|
self.close_pane_without_rerender(id);
|
|
}
|
|
}
|
|
pub fn close_pane_without_rerender(&mut self, id: PaneId) {
|
|
if self.fullscreen_is_active {
|
|
self.toggle_active_pane_fullscreen();
|
|
}
|
|
if let Some(pane_to_close) = self.panes.get(&id) {
|
|
let pane_to_close_width = pane_to_close.columns();
|
|
let pane_to_close_height = pane_to_close.rows();
|
|
if let Some(panes) = self.panes_to_the_left_between_aligning_borders(id) {
|
|
if panes.iter().all(|p| {
|
|
let pane = self.panes.get(p).unwrap();
|
|
pane.can_increase_width_by(pane_to_close_width + 1)
|
|
}) {
|
|
for pane_id in panes.iter() {
|
|
self.increase_pane_width_right(&pane_id, pane_to_close_width + 1);
|
|
// 1 for the border
|
|
}
|
|
self.panes.remove(&id);
|
|
if self.active_terminal == Some(id) {
|
|
self.active_terminal = self.next_active_pane(panes);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
if let Some(panes) = self.panes_to_the_right_between_aligning_borders(id) {
|
|
if panes.iter().all(|p| {
|
|
let pane = self.panes.get(p).unwrap();
|
|
pane.can_increase_width_by(pane_to_close_width + 1)
|
|
}) {
|
|
for pane_id in panes.iter() {
|
|
self.increase_pane_width_left(&pane_id, pane_to_close_width + 1);
|
|
// 1 for the border
|
|
}
|
|
self.panes.remove(&id);
|
|
if self.active_terminal == Some(id) {
|
|
self.active_terminal = self.next_active_pane(panes);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
if let Some(panes) = self.panes_above_between_aligning_borders(id) {
|
|
if panes.iter().all(|p| {
|
|
let pane = self.panes.get(p).unwrap();
|
|
pane.can_increase_height_by(pane_to_close_height + 1)
|
|
}) {
|
|
for pane_id in panes.iter() {
|
|
self.increase_pane_height_down(&pane_id, pane_to_close_height + 1);
|
|
// 1 for the border
|
|
}
|
|
self.panes.remove(&id);
|
|
if self.active_terminal == Some(id) {
|
|
self.active_terminal = self.next_active_pane(panes);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
if let Some(panes) = self.panes_below_between_aligning_borders(id) {
|
|
if panes.iter().all(|p| {
|
|
let pane = self.panes.get(p).unwrap();
|
|
pane.can_increase_height_by(pane_to_close_height + 1)
|
|
}) {
|
|
for pane_id in panes.iter() {
|
|
self.increase_pane_height_up(&pane_id, pane_to_close_height + 1);
|
|
// 1 for the border
|
|
}
|
|
self.panes.remove(&id);
|
|
if self.active_terminal == Some(id) {
|
|
self.active_terminal = self.next_active_pane(panes);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
// if we reached here, this is either the last pane or there's some sort of
|
|
// configuration error (eg. we're trying to close a pane surrounded by fixed panes)
|
|
self.panes.remove(&id);
|
|
}
|
|
}
|
|
pub fn close_focused_pane(&mut self) {
|
|
if let Some(active_pane_id) = self.get_active_pane_id() {
|
|
self.close_pane(active_pane_id);
|
|
self.senders
|
|
.send_to_pty(PtyInstruction::ClosePane(active_pane_id))
|
|
.unwrap();
|
|
}
|
|
}
|
|
pub fn scroll_active_terminal_up(&mut self) {
|
|
if let Some(active_terminal_id) = self.get_active_terminal_id() {
|
|
let active_terminal = self
|
|
.panes
|
|
.get_mut(&PaneId::Terminal(active_terminal_id))
|
|
.unwrap();
|
|
active_terminal.scroll_up(1);
|
|
self.render();
|
|
}
|
|
}
|
|
pub fn scroll_active_terminal_down(&mut self) {
|
|
if let Some(active_terminal_id) = self.get_active_terminal_id() {
|
|
let active_terminal = self
|
|
.panes
|
|
.get_mut(&PaneId::Terminal(active_terminal_id))
|
|
.unwrap();
|
|
active_terminal.scroll_down(1);
|
|
self.render();
|
|
}
|
|
}
|
|
pub fn scroll_active_terminal_up_page(&mut self) {
|
|
if let Some(active_terminal_id) = self.get_active_terminal_id() {
|
|
let active_terminal = self
|
|
.panes
|
|
.get_mut(&PaneId::Terminal(active_terminal_id))
|
|
.unwrap();
|
|
// prevent overflow when row == 0
|
|
let scroll_columns = active_terminal.rows().max(1) - 1;
|
|
active_terminal.scroll_up(scroll_columns);
|
|
self.render();
|
|
}
|
|
}
|
|
pub fn scroll_active_terminal_down_page(&mut self) {
|
|
if let Some(active_terminal_id) = self.get_active_terminal_id() {
|
|
let active_terminal = self
|
|
.panes
|
|
.get_mut(&PaneId::Terminal(active_terminal_id))
|
|
.unwrap();
|
|
// prevent overflow when row == 0
|
|
let scroll_columns = active_terminal.rows().max(1) - 1;
|
|
active_terminal.scroll_down(scroll_columns);
|
|
self.render();
|
|
}
|
|
}
|
|
pub fn clear_active_terminal_scroll(&mut self) {
|
|
if let Some(active_terminal_id) = self.get_active_terminal_id() {
|
|
let active_terminal = self
|
|
.panes
|
|
.get_mut(&PaneId::Terminal(active_terminal_id))
|
|
.unwrap();
|
|
active_terminal.clear_scroll();
|
|
}
|
|
}
|
|
}
|