886 lines
33 KiB
Rust
886 lines
33 KiB
Rust
use crate::{
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config::{self, Action, Config},
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input,
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layout::{Axis, Direction, Layout, PaneId, Tab},
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pane::{self, Pane},
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theme::{self, Theme},
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};
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use anyhow::{Result, ensure};
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use egui::{CornerRadius, Rect, Stroke, vec2};
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use std::{
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collections::{BTreeMap, HashSet},
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path::PathBuf,
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};
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pub struct App {
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config: Config,
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theme: Theme,
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config_path: PathBuf,
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panes: BTreeMap<PaneId, Pane>,
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tabs: Vec<Tab>,
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current: usize,
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next_id: u64,
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error: Option<String>,
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suppressed: HashSet<egui::Key>,
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}
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/// Width kept free at the left of the tab bar for the macOS traffic lights,
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/// which float over the content once the titlebar is hidden.
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const TITLEBAR_INSET: f32 = 70.0;
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/// Height the tab bar needs so the traffic lights fit inside it.
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const TITLEBAR_HEIGHT: f32 = 28.0;
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/// With the titlebar hidden the tab bar takes its place, so let the empty space
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/// beside the tabs drag the window and double-click to zoom, like a titlebar.
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fn drag_window(ui: &mut egui::Ui) {
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let used = ui.min_rect();
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let free = Rect::from_min_max(
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egui::pos2(used.right(), used.top()),
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egui::pos2(ui.max_rect().right(), used.bottom()),
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);
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if free.width() <= 0.0 {
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return;
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}
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let response = ui.interact(
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free,
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ui.id().with("titlebar drag"),
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egui::Sense::click_and_drag(),
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);
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if response.double_clicked() {
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let maximized = ui.input(|i| i.viewport().maximized.unwrap_or(false));
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ui.ctx()
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.send_viewport_cmd(egui::ViewportCommand::Maximized(!maximized));
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} else if response.drag_started_by(egui::PointerButton::Primary) {
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ui.ctx().send_viewport_cmd(egui::ViewportCommand::StartDrag);
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}
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}
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pub fn fonts(config: &Config) -> Result<egui::FontDefinitions> {
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crate::fonts::load(config)
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}
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impl App {
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pub fn new(
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cc: &eframe::CreationContext<'_>,
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config: Config,
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config_path: PathBuf,
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) -> Result<Self> {
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let theme = config.theme()?;
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cc.egui_ctx.set_visuals(theme.visuals());
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cc.egui_ctx.set_fonts(fonts(&config)?);
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let pane = Pane::new(&config, &theme, &cc.egui_ctx, None)?;
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Ok(Self {
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config,
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theme,
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config_path,
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panes: BTreeMap::from([(1, pane)]),
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tabs: vec![Tab::new(1, 1)],
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current: 0,
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next_id: 2,
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error: None,
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suppressed: HashSet::new(),
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})
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}
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fn spawn(&mut self, ctx: &egui::Context) -> Result<PaneId> {
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ensure!(
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self.panes.len() < self.config.multiplexer.max_panes,
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"Pane limit reached"
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);
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// A new pane starts where the pane it was spawned from currently sits.
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let cwd = self
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.tabs
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.get(self.current)
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.and_then(|tab| self.panes.get(&tab.active))
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.and_then(Pane::cwd);
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let pane = Pane::new(&self.config, &self.theme, ctx, cwd.as_deref())?;
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let id = self.next_id;
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self.next_id += 1;
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self.panes.insert(id, pane);
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Ok(id)
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}
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/// Switches theme for this session. Every open pane is retinted, since a
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/// terminal keeps its palette rather than asking for it each frame.
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fn set_theme(&mut self, name: &str, ctx: &egui::Context) -> Result<()> {
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let previous = std::mem::replace(&mut self.config.theme, name.to_owned());
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self.theme = self.config.theme().inspect_err(|_| {
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self.config.theme = previous;
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})?;
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for pane in self.panes.values_mut() {
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pane::apply_config(&mut pane.terminal, &self.config, &self.theme)?;
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}
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ctx.set_visuals(self.theme.visuals());
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Ok(())
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}
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fn action(&mut self, action: Action, ctx: &egui::Context) -> Result<()> {
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let active = self.tabs[self.current].active;
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match action {
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Action::NewPane => {
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let tab = &self.tabs[self.current];
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let action = if tab.floats_visible && !tab.floats.is_empty() {
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Action::NewFloating
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} else {
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let rect = self.panes[&active].last_rect;
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if rect.is_positive() && rect.height() > rect.width() {
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Action::SplitDown
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} else {
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Action::SplitRight
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}
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};
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self.action(action, ctx)?;
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}
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Action::SplitRight | Action::SplitDown => {
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let id = self.spawn(ctx)?;
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let tab = &mut self.tabs[self.current];
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let axis = if action == Action::SplitRight {
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Axis::Horizontal
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} else {
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Axis::Vertical
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};
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if let Some(root) = &mut tab.root {
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root.split(
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if tab.floats.contains(&active) {
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root.first()
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} else {
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active
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},
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id,
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axis,
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);
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} else {
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tab.root = Some(Layout::Pane(id));
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}
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tab.active = id;
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tab.zoomed = false;
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}
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Action::NewFloating => {
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let id = self.spawn(ctx)?;
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let tab = &mut self.tabs[self.current];
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tab.floats.push(id);
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tab.active = id;
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tab.floats_visible = true;
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tab.zoomed = false;
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}
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Action::ToggleFloating => {
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let tab = &mut self.tabs[self.current];
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let was_floating = tab.floats.contains(&active);
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tab.detach(active);
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if was_floating {
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if let Some(root) = &mut tab.root {
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root.split(root.first(), active, Axis::Horizontal);
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} else {
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tab.root = Some(Layout::Pane(active));
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}
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} else {
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tab.floats.push(active);
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tab.floats_visible = true;
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}
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}
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Action::ToggleFloats => {
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if self.tabs[self.current].floats.is_empty() {
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self.action(Action::NewFloating, ctx)?;
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} else {
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self.tabs[self.current].toggle_floats();
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}
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}
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Action::FocusLeft | Action::FocusDown | Action::FocusUp | Action::FocusRight => {
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let direction = match action {
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Action::FocusLeft => Direction::Left,
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Action::FocusDown => Direction::Down,
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Action::FocusUp => Direction::Up,
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_ => Direction::Right,
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};
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let rects = self
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.panes
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.iter()
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.map(|(id, pane)| (*id, pane.last_rect))
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.collect::<Vec<_>>();
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self.tabs[self.current].focus_direction(direction, &rects);
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}
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Action::NextPane | Action::PreviousPane => {
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self.tabs[self.current].cycle(action == Action::PreviousPane)
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}
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Action::ClosePane => self.close(active, ctx),
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Action::ZoomPane => {
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let tab = &mut self.tabs[self.current];
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if tab.is_visible(tab.active) {
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tab.zoomed = !tab.zoomed;
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}
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}
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Action::NewTab => {
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let id = self.spawn(ctx)?;
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self.tabs.push(Tab::new(id, id));
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self.current = self.tabs.len() - 1;
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}
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Action::NextTab => self.current = (self.current + 1) % self.tabs.len(),
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Action::PreviousTab => {
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self.current = (self.current + self.tabs.len() - 1) % self.tabs.len()
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}
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Action::ReloadConfig => {
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let config = Config::load(&self.config_path)?;
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let fonts = fonts(&config)?;
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self.theme = config.theme()?;
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for pane in self.panes.values_mut() {
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pane::apply_config(&mut pane.terminal, &config, &self.theme)?;
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}
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ctx.set_fonts(fonts);
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ctx.set_visuals(self.theme.visuals());
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self.config = config;
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}
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Action::Copy => {
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if let Some(text) = self.panes[&active].copy()? {
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ctx.copy_text(text);
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}
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}
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Action::Paste => ctx.send_viewport_cmd(egui::ViewportCommand::RequestPaste),
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Action::OpenScrollback => {
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self.panes.get_mut(&active).unwrap().open_scrollback(
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&self.config,
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&self.theme,
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ctx,
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)?;
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}
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}
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Ok(())
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}
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fn close(&mut self, id: PaneId, ctx: &egui::Context) {
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let closed_rect = self
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.panes
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.remove(&id)
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.map(|pane| pane.last_rect)
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.filter(|rect| rect.is_positive() && rect.is_finite());
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for tab in &mut self.tabs {
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if !tab.ids().contains(&id) {
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continue;
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}
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let was_floating = tab.floats.contains(&id);
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tab.detach(id);
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if tab.root.is_none() {
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tab.floats_visible = true;
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}
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if tab.active == id {
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if was_floating && !tab.floats.is_empty() {
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let nearest = tab
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.floats
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.iter()
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.map(|candidate| {
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let rect = self.panes[candidate].last_rect;
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let distance = closed_rect
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.filter(|_| rect.is_positive() && rect.is_finite())
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.map_or(f32::INFINITY, |source| {
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source.center().distance_sq(rect.center())
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});
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(*candidate, distance)
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})
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.min_by(|a, b| a.1.total_cmp(&b.1).then_with(|| a.0.cmp(&b.0)));
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if let Some((next, _)) = nearest {
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tab.active = next;
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tab.floats_visible = true;
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}
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} else if let Some(next) = tab.navigation_ids().first() {
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tab.active = *next;
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}
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}
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}
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self.tabs.retain(|t| !t.ids().is_empty());
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self.current = self.current.min(self.tabs.len().saturating_sub(1));
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if self.tabs.is_empty() {
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ctx.send_viewport_cmd(egui::ViewportCommand::Close);
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}
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}
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fn keyboard(&mut self, ctx: &egui::Context) -> Result<()> {
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let events = ctx.input(|i| i.events.clone());
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let modifiers = ctx.input(|i| i.modifiers);
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let mut terminal_events = vec![];
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let mut suppress_text = false;
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for event in events {
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if let egui::Event::Key {
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key,
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pressed,
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repeat,
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modifiers,
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..
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} = &event
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{
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suppress_text = false;
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if !pressed && self.suppressed.remove(key) {
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continue;
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}
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let action = self.config.keys.iter().find_map(|(s, a)| {
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let shortcut = config::shortcut(s).ok()?;
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let m = shortcut.modifiers;
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(shortcut.logical_key == *key
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&& m.ctrl == modifiers.ctrl
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&& m.shift == modifiers.shift
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&& m.alt == modifiers.alt
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&& m.mac_cmd == modifiers.mac_cmd)
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.then_some(*a)
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});
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if *pressed && let Some(action) = action {
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self.flush_keys(&mut terminal_events)?;
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self.suppressed.insert(*key);
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suppress_text = true;
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if !repeat {
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self.action(action, ctx)?;
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}
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if self.tabs.is_empty() {
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return Ok(());
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}
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continue;
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}
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}
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if suppress_text && matches!(event, egui::Event::Text(_)) {
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continue;
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}
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let active = self.tabs[self.current].active;
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if !self.tabs[self.current].is_visible(active) {
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continue;
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}
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match event {
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egui::Event::Paste(text) => {
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self.flush_keys(&mut terminal_events)?;
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self.panes.get_mut(&active).unwrap().paste(&text)?;
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}
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egui::Event::Copy => {
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self.flush_keys(&mut terminal_events)?;
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if modifiers.shift || modifiers.mac_cmd {
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self.action(Action::Copy, ctx)?;
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} else {
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self.panes.get_mut(&active).unwrap().send(vec![3])?;
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}
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}
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egui::Event::Cut => {
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self.flush_keys(&mut terminal_events)?;
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self.panes.get_mut(&active).unwrap().send(vec![24])?;
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}
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other => terminal_events.push(other),
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}
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}
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self.flush_keys(&mut terminal_events)
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}
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fn flush_keys(&mut self, events: &mut Vec<egui::Event>) -> Result<()> {
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if events.is_empty() {
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return Ok(());
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}
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let active = self.tabs[self.current].active;
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if !self.tabs[self.current].is_visible(active) {
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events.clear();
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return Ok(());
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}
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let pane = self.panes.get_mut(&active).unwrap();
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let encoded = input::encode(&pane.terminal, events)?;
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pane.send(encoded)?;
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events.clear();
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Ok(())
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}
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}
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impl eframe::App for App {
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fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
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if self.tabs.is_empty() {
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return;
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}
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for pane in self.panes.values_mut() {
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pane.drain(ctx);
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}
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grab_keys(ctx);
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if let Err(e) = self.keyboard(ctx) {
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self.error = Some(e.to_string());
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}
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if self.tabs.is_empty() {
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return;
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}
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let mut action = None;
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let mut picked = None;
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egui::TopBottomPanel::top("tabs").show(ctx, |ui| {
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ui.horizontal_wrapped(|ui| {
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if cfg!(target_os = "macos") {
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ui.add_space(TITLEBAR_INSET);
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ui.set_min_height(TITLEBAR_HEIGHT);
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}
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for (index, tab) in self.tabs.iter().enumerate() {
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let title = self.panes[&tab.active].terminal.title().unwrap_or("");
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let label = if title.is_empty() {
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format!("{}: shell", index + 1)
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} else {
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format!(
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"{}: {}",
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index + 1,
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title.chars().take(28).collect::<String>()
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)
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};
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if ui.selectable_label(self.current == index, label).clicked() {
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self.current = index;
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}
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}
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if ui.button("+").on_hover_text("New tab").clicked() {
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action = Some(Action::NewTab);
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}
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ui.menu_button("Pane", |ui| {
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for (label, a) in [
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("New pane", Action::NewPane),
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("Split right", Action::SplitRight),
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("Split down", Action::SplitDown),
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("New floating pane", Action::NewFloating),
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("Float / dock", Action::ToggleFloating),
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("Show / hide floating panes", Action::ToggleFloats),
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("Zoom / restore", Action::ZoomPane),
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("Next pane", Action::NextPane),
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("Close pane", Action::ClosePane),
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("Open scrollback in editor", Action::OpenScrollback),
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] {
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if ui.button(label).clicked() {
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action = Some(a);
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ui.close();
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}
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}
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});
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ui.menu_button("Settings", |ui| {
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if ui.button("Reload config").clicked() {
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action = Some(Action::ReloadConfig);
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ui.close();
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}
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ui.menu_button("Theme", |ui| {
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ui.label("Applies now; set `theme` in the config to keep it.");
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egui::ScrollArea::vertical()
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.max_height(420.0)
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.show(ui, |ui| {
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for name in theme::names() {
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let current = self.config.theme == name;
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if ui.selectable_label(current, name).clicked() && !current {
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picked = Some(name);
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ui.close();
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}
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}
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});
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});
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});
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});
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if cfg!(target_os = "macos") {
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drag_window(ui);
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}
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});
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if let Some(error) = self.error.clone() {
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egui::TopBottomPanel::bottom("error").show(ctx, |ui| {
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ui.horizontal_wrapped(|ui| {
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ui.colored_label(theme::color(self.theme.ansi[9]), error);
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if ui.button("Dismiss").clicked() {
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self.error = None;
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}
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});
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});
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}
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let bg = theme::color(self.theme.background);
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let tab = &mut self.tabs[self.current];
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let mut tiled = vec![];
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let mut workspace = Rect::NOTHING;
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egui::CentralPanel::default()
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.frame(egui::Frame::NONE.fill(bg))
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.show(ctx, |ui| {
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workspace = ui.max_rect();
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if tab.zoomed {
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tiled.push((tab.active, workspace));
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} else if let Some(root) = &mut tab.root {
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root.arrange(ui, workspace, &mut tiled, 1);
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}
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for (id, rect) in &tiled {
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let pane = self.panes.get_mut(id).unwrap();
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let active = tab.active == *id;
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if !tab.zoomed {
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pane.last_rect = *rect;
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}
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if show_pane(ui, *id, pane, *rect, &self.config, &self.theme, active) {
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tab.active = *id;
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}
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}
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});
|
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if tab.floats_visible && !tab.zoomed {
|
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for (index, id) in tab.floats.clone().into_iter().enumerate() {
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let pane = self.panes.get_mut(&id).unwrap();
|
|
let window_id = egui::Id::new(("float", tab.id, id));
|
|
let active = tab.active == id;
|
|
let (pos, size) = float_placement(workspace, index, &self.config.multiplexer);
|
|
let result = egui::Window::new(pane_title(id, pane))
|
|
.id(window_id)
|
|
.title_bar(false)
|
|
.constrain_to(workspace)
|
|
.default_pos(pos)
|
|
.default_size(size)
|
|
.min_size(vec2(160.0, 100.0))
|
|
.frame(egui::Frame::NONE.fill(bg))
|
|
.show(ctx, |ui| {
|
|
let rect = ui.available_rect_before_wrap();
|
|
ui.allocate_rect(rect, egui::Sense::hover());
|
|
pane.last_rect = rect;
|
|
if show_pane(ui, id, pane, rect, &self.config, &self.theme, active) {
|
|
tab.active = id;
|
|
}
|
|
});
|
|
if let Some(result) = result
|
|
&& result.response.contains_pointer()
|
|
&& ctx.input(|i| i.pointer.any_pressed())
|
|
{
|
|
tab.active = id;
|
|
}
|
|
if active {
|
|
ctx.move_to_top(egui::LayerId::new(egui::Order::Middle, window_id));
|
|
}
|
|
}
|
|
}
|
|
let active = tab.active;
|
|
for (id, pane) in &mut self.panes {
|
|
if let Err(e) =
|
|
pane.focus(*id == active && tab.is_visible(*id) && ctx.input(|i| i.focused))
|
|
{
|
|
pane.error = Some(e.to_string());
|
|
}
|
|
}
|
|
if let Some(name) = picked
|
|
&& let Err(e) = self.set_theme(name, ctx)
|
|
{
|
|
self.error = Some(e.to_string());
|
|
}
|
|
if !self.tabs.is_empty()
|
|
&& let Some(action) = action
|
|
&& let Err(e) = self.action(action, ctx)
|
|
{
|
|
self.error = Some(e.to_string());
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Parks keyboard focus on a widget that never exists, with every navigation key
|
|
/// filtered out. Otherwise egui spends Tab, the arrows and Escape on moving focus
|
|
/// between the tab bar and the menu buttons instead of leaving them for the shell.
|
|
fn grab_keys(ctx: &egui::Context) {
|
|
let id = egui::Id::new("keys");
|
|
// Registers the id for this pass so egui's dead-mans-switch keeps the focus.
|
|
ctx.check_for_id_clash(id, Rect::NOTHING, "key sink");
|
|
ctx.memory_mut(|m| {
|
|
if m.focused() != Some(id) {
|
|
m.request_focus(id);
|
|
}
|
|
// Only applies once the sink has held focus for a full frame.
|
|
m.set_focus_lock_filter(
|
|
id,
|
|
egui::EventFilter {
|
|
tab: true,
|
|
horizontal_arrows: true,
|
|
vertical_arrows: true,
|
|
escape: true,
|
|
},
|
|
);
|
|
});
|
|
}
|
|
|
|
/// Corner rounding shared by a pane's border and its title bar.
|
|
const CORNER: u8 = theme::CORNER_RADIUS;
|
|
|
|
fn show_pane(
|
|
ui: &mut egui::Ui,
|
|
id: PaneId,
|
|
pane: &mut Pane,
|
|
rect: Rect,
|
|
config: &Config,
|
|
theme: &Theme,
|
|
active: bool,
|
|
) -> bool {
|
|
let accent = theme::color(theme.accent);
|
|
let title_rect = Rect::from_min_size(rect.min, vec2(rect.width(), 25.0_f32.min(rect.height())));
|
|
// The title bar only rounds off the top of the pane, unless the pane is so
|
|
// short that the bar is all there is of it.
|
|
let bottom = if title_rect.height() < rect.height() {
|
|
0
|
|
} else {
|
|
CORNER
|
|
};
|
|
ui.painter().rect_filled(
|
|
title_rect,
|
|
CornerRadius {
|
|
nw: CORNER,
|
|
ne: CORNER,
|
|
sw: bottom,
|
|
se: bottom,
|
|
},
|
|
theme::color(if active {
|
|
theme.chrome_active_bg
|
|
} else {
|
|
theme.chrome_bg
|
|
}),
|
|
);
|
|
ui.painter()
|
|
.with_clip_rect(title_rect.shrink(3.0).intersect(ui.clip_rect()))
|
|
.text(
|
|
title_rect.min + vec2(7.0, 4.0),
|
|
egui::Align2::LEFT_TOP,
|
|
pane_title(id, pane),
|
|
egui::FontId::proportional(13.0),
|
|
if active {
|
|
accent
|
|
} else {
|
|
theme::color(theme.chrome_fg)
|
|
},
|
|
);
|
|
// Click-only leaves dragging to the floating window's existing move handler.
|
|
let header = ui.interact(
|
|
title_rect,
|
|
ui.id().with(("title", id)),
|
|
egui::Sense::click(),
|
|
);
|
|
let mut focused =
|
|
header.clicked() || (header.contains_pointer() && ui.input(|i| i.pointer.any_pressed()));
|
|
let content = Rect::from_min_max(egui::pos2(rect.left(), title_rect.bottom()), rect.max);
|
|
// The pane rectangle is already allocated; a layout scope would grow its parent.
|
|
let mut content_ui = ui.new_child(egui::UiBuilder::new().id_salt(id).max_rect(content));
|
|
content_ui.set_clip_rect(content.intersect(ui.clip_rect()));
|
|
match pane.show(&mut content_ui, content, config, theme, active) {
|
|
Ok(clicked) => focused |= clicked,
|
|
Err(e) => pane.error = Some(e.to_string()),
|
|
}
|
|
ui.painter().rect_stroke(
|
|
rect,
|
|
CORNER,
|
|
Stroke::new(
|
|
theme::BORDER_WIDTH,
|
|
if active {
|
|
accent
|
|
} else {
|
|
theme::color(theme.border)
|
|
},
|
|
),
|
|
egui::StrokeKind::Inside,
|
|
);
|
|
focused
|
|
}
|
|
|
|
/// Where a floating pane opens, from its place in the tab's float list rather than
|
|
/// its pane id: the first one is centred and every later one steps down and right
|
|
/// from it, so the same slot always lands in the same spot. The cascade wraps
|
|
/// before it can walk a float off the far edge.
|
|
fn float_placement(
|
|
workspace: Rect,
|
|
index: usize,
|
|
config: &config::Multiplexer,
|
|
) -> (egui::Pos2, egui::Vec2) {
|
|
// The fractions are of the workspace, so on a large display they hand a scratch
|
|
// terminal far more room than it needs; the maximums keep it in hand.
|
|
let size = (workspace.size() * vec2(config.floating_width, config.floating_height))
|
|
.min(vec2(config.floating_max_width, config.floating_max_height));
|
|
let step = (index % 6) as f32 * 28.0;
|
|
(workspace.center() - size / 2.0 + vec2(step, step), size)
|
|
}
|
|
|
|
fn pane_title(id: PaneId, pane: &Pane) -> String {
|
|
let title = pane.terminal.title().unwrap_or("");
|
|
format!(
|
|
"{id} {}{}",
|
|
if title.is_empty() { "shell" } else { title },
|
|
if pane.dead { " [exited]" } else { "" }
|
|
)
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
fn test_app(ctx: &egui::Context) -> App {
|
|
let config = Config {
|
|
shell: vec!["/bin/sh".into()],
|
|
..Default::default()
|
|
};
|
|
let theme = config.theme().unwrap();
|
|
let pane = Pane::new(&config, &theme, ctx, None).unwrap();
|
|
App {
|
|
config,
|
|
theme,
|
|
config_path: PathBuf::new(),
|
|
panes: BTreeMap::from([(1, pane)]),
|
|
tabs: vec![Tab::new(1, 1)],
|
|
current: 0,
|
|
next_id: 2,
|
|
error: None,
|
|
suppressed: HashSet::new(),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn floating_pane_size_stays_constant_across_frames() {
|
|
let ctx = egui::Context::default();
|
|
let mut app = test_app(&ctx);
|
|
let mut sizes = vec![];
|
|
for frame in 0..20 {
|
|
let input = egui::RawInput {
|
|
screen_rect: Some(Rect::from_min_size(egui::Pos2::ZERO, vec2(1000.0, 800.0))),
|
|
time: Some(frame as f64 / 60.0),
|
|
..Default::default()
|
|
};
|
|
let _ = ctx.run(input, |ctx| {
|
|
let window = egui::Window::new("float")
|
|
.title_bar(false)
|
|
.default_size(vec2(400.0, 240.0))
|
|
.frame(egui::Frame::NONE)
|
|
.show(ctx, |ui| {
|
|
let rect = ui.available_rect_before_wrap();
|
|
ui.allocate_rect(rect, egui::Sense::hover());
|
|
show_pane(
|
|
ui,
|
|
1,
|
|
app.panes.get_mut(&1).unwrap(),
|
|
rect,
|
|
&app.config,
|
|
&app.theme,
|
|
true,
|
|
);
|
|
})
|
|
.unwrap();
|
|
if frame >= 2 {
|
|
sizes.push(window.response.rect.size());
|
|
}
|
|
});
|
|
}
|
|
assert!(
|
|
sizes.iter().all(|size| *size == sizes[0]),
|
|
"floating pane grew: {sizes:?}"
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn floats_open_centered_then_cascade_and_stay_within_the_maximums() {
|
|
let config = config::Multiplexer::default();
|
|
let workspace = Rect::from_min_size(egui::pos2(0.0, 30.0), vec2(3000.0, 1800.0));
|
|
let (first, size) = float_placement(workspace, 0, &config);
|
|
assert_eq!(
|
|
size,
|
|
vec2(config.floating_max_width, config.floating_max_height),
|
|
"a large workspace must not hand out a proportionally large float"
|
|
);
|
|
assert_eq!(
|
|
first + size / 2.0,
|
|
workspace.center(),
|
|
"the first is centered"
|
|
);
|
|
|
|
let (second, _) = float_placement(workspace, 1, &config);
|
|
assert!(
|
|
second.x > first.x && second.y > first.y,
|
|
"later floats step off it"
|
|
);
|
|
// Six slots later the cascade is back where it started, so it cannot walk away.
|
|
assert_eq!(float_placement(workspace, 6, &config).0, first);
|
|
assert_eq!(float_placement(workspace, 7, &config).0, second);
|
|
|
|
// A small workspace keeps the fractions instead of the maximums.
|
|
let small = Rect::from_min_size(egui::Pos2::ZERO, vec2(800.0, 600.0));
|
|
let (pos, size) = float_placement(small, 0, &config);
|
|
assert_eq!(
|
|
size,
|
|
small.size() * vec2(config.floating_width, config.floating_height)
|
|
);
|
|
assert_eq!(pos + size / 2.0, small.center());
|
|
}
|
|
|
|
#[test]
|
|
fn toggle_creates_first_float_then_reuses_it_and_close_removes_focus() {
|
|
let ctx = egui::Context::default();
|
|
let mut app = test_app(&ctx);
|
|
app.action(Action::ToggleFloats, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].floats, vec![2]);
|
|
assert_eq!(app.tabs[0].active, 2);
|
|
assert!(app.tabs[0].floats_visible);
|
|
app.action(Action::ToggleFloats, &ctx).unwrap();
|
|
assert!(!app.tabs[0].floats_visible);
|
|
assert_eq!(app.tabs[0].active, 1);
|
|
app.action(Action::ToggleFloats, &ctx).unwrap();
|
|
assert_eq!(app.panes.len(), 2);
|
|
assert_eq!(app.tabs[0].active, 2);
|
|
app.action(Action::ClosePane, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].active, 1);
|
|
assert!(!app.panes.contains_key(&2));
|
|
app.action(Action::ToggleFloats, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].floats, vec![3]);
|
|
assert!(app.tabs[0].floats_visible);
|
|
}
|
|
|
|
#[test]
|
|
fn new_pane_floats_only_when_existing_floats_are_visible() {
|
|
let ctx = egui::Context::default();
|
|
let mut app = test_app(&ctx);
|
|
app.action(Action::NewPane, &ctx).unwrap();
|
|
assert!(app.tabs[0].floats.is_empty());
|
|
assert_eq!(app.tabs[0].active, 2);
|
|
|
|
app.action(Action::ToggleFloats, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].floats, vec![3]);
|
|
app.action(Action::NewPane, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].floats, vec![3, 4]);
|
|
|
|
app.action(Action::ToggleFloats, &ctx).unwrap();
|
|
app.action(Action::NewPane, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].floats, vec![3, 4]);
|
|
assert_eq!(app.tabs[0].active, 5);
|
|
assert!(!app.tabs[0].floats_visible);
|
|
|
|
app.action(Action::ToggleFloats, &ctx).unwrap();
|
|
app.action(Action::ClosePane, &ctx).unwrap();
|
|
app.action(Action::ClosePane, &ctx).unwrap();
|
|
assert!(app.tabs[0].floats.is_empty());
|
|
assert!(!app.tabs[0].floats_visible);
|
|
app.action(Action::NewPane, &ctx).unwrap();
|
|
assert!(app.tabs[0].floats.is_empty());
|
|
assert_eq!(app.tabs[0].active, 6);
|
|
|
|
app.action(Action::ToggleFloats, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].floats, vec![7]);
|
|
app.action(Action::ToggleFloating, &ctx).unwrap();
|
|
assert!(!app.tabs[0].floats_visible);
|
|
app.action(Action::NewPane, &ctx).unwrap();
|
|
assert!(app.tabs[0].floats.is_empty());
|
|
assert_eq!(app.tabs[0].active, 8);
|
|
}
|
|
|
|
#[test]
|
|
fn closing_float_focuses_another_float_before_tiles() {
|
|
let ctx = egui::Context::default();
|
|
let mut app = test_app(&ctx);
|
|
app.action(Action::NewFloating, &ctx).unwrap();
|
|
app.action(Action::NewFloating, &ctx).unwrap();
|
|
app.action(Action::ClosePane, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].active, 2);
|
|
app.action(Action::NewFloating, &ctx).unwrap();
|
|
app.close(1, &ctx);
|
|
app.action(Action::ToggleFloats, &ctx).unwrap();
|
|
app.action(Action::ClosePane, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].active, 2);
|
|
assert!(app.tabs[0].floats_visible);
|
|
}
|
|
|
|
#[test]
|
|
fn closing_float_selects_nearest_float_not_first_or_nearer_tile() {
|
|
let ctx = egui::Context::default();
|
|
let mut app = test_app(&ctx);
|
|
for _ in 0..3 {
|
|
app.action(Action::NewFloating, &ctx).unwrap();
|
|
}
|
|
for (id, x, y) in [
|
|
(1, 200.0, 200.0),
|
|
(2, 0.0, 0.0),
|
|
(3, 180.0, 180.0),
|
|
(4, 200.0, 200.0),
|
|
] {
|
|
app.panes.get_mut(&id).unwrap().last_rect =
|
|
Rect::from_min_size(egui::pos2(x, y), vec2(100.0, 100.0));
|
|
}
|
|
app.action(Action::ClosePane, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].active, 3);
|
|
app.action(Action::ClosePane, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].active, 2);
|
|
app.action(Action::ClosePane, &ctx).unwrap();
|
|
assert_eq!(app.tabs[0].active, 1);
|
|
}
|
|
}
|