Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
492 lines
19 KiB
Rust
492 lines
19 KiB
Rust
//! Several open designs, as tabs in the application bar. The active design lives in the app as
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//! always (`app.session`, `app.cam`…); the others wait here with their own session (undo,
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//! selection), camera and per-design view state, and are swapped in when their tab is picked.
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//! Closing a design with unsaved changes asks first.
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use egui::{Align2, Color32, FontId, Rect, Sense, Stroke, pos2, vec2};
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use serde_json::{Value, json};
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use solvecraft_engine::Session;
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use solvecraft_engine::render::Camera;
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use crate::SolveApp;
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use crate::theme::Tokens;
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/// Most designs open at once.
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pub const MAX_OPEN: usize = 32;
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/// A design that is not the active one: everything that belongs to it alone.
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pub struct DocSlot {
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session: Session,
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cam: Camera,
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pre_sketch_cam: Option<Camera>,
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pre_sketch_marker: Option<Option<usize>>,
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view: DocView,
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}
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/// The per-design part of the UI state (what is hidden, shown or locked).
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#[derive(Clone, Debug, Default)]
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struct DocView {
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hidden_bodies: Vec<String>,
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hidden_origin: Vec<String>,
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hidden_sketches: Vec<u64>,
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shown_sketches: Vec<u64>,
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hidden_profiles: Vec<u64>,
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shown_dims: Vec<u64>,
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locked_bodies: Vec<String>,
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}
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impl DocSlot {
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fn new(session: Session) -> DocSlot {
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DocSlot { session, cam: Camera::default(), pre_sketch_cam: None, pre_sketch_marker: None, view: DocView::default() }
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}
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}
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/// The open designs: one slot per tab; the active tab's slot is empty (its design is in the app).
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#[derive(Default)]
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pub struct Documents {
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slots: Vec<Option<DocSlot>>,
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pub active: usize,
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/// A tab waiting for the answer to "save changes?".
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pub closing: Option<usize>,
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}
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impl Documents {
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/// Number of open designs (at least the active one).
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pub fn count(&self) -> usize {
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self.slots.len().max(1)
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}
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}
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fn take_view(app: &mut SolveApp) -> DocView {
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let u = &mut app.ui;
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DocView {
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hidden_bodies: std::mem::take(&mut u.hidden_bodies),
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hidden_origin: std::mem::take(&mut u.hidden_origin),
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hidden_sketches: std::mem::take(&mut u.hidden_sketches),
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shown_sketches: std::mem::take(&mut u.shown_sketches),
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hidden_profiles: std::mem::take(&mut u.hidden_profiles),
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shown_dims: std::mem::take(&mut u.shown_dims),
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locked_bodies: std::mem::take(&mut u.locked_bodies),
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}
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}
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fn put_view(app: &mut SolveApp, v: DocView) {
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let u = &mut app.ui;
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u.hidden_bodies = v.hidden_bodies;
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u.hidden_origin = v.hidden_origin;
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u.hidden_sketches = v.hidden_sketches;
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u.shown_sketches = v.shown_sketches;
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u.hidden_profiles = v.hidden_profiles;
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u.shown_dims = v.shown_dims;
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u.locked_bodies = v.locked_bodies;
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}
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/// Put `slot` into the app and return what was there.
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fn swap_in(app: &mut SolveApp, slot: DocSlot) -> DocSlot {
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// Whatever was going on in the design leaves with it.
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crate::dialogs::cancel(app);
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app.tool = None;
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app.params = None;
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app.cam_anim = None;
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app.preview = crate::preview::PreviewState::default();
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app.viewport.hover = None;
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let out_rev = app.session.revision;
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let out = DocSlot {
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session: std::mem::replace(&mut app.session, slot.session),
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cam: std::mem::replace(&mut app.cam, slot.cam),
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pre_sketch_cam: std::mem::replace(&mut app.pre_sketch_cam, slot.pre_sketch_cam),
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pre_sketch_marker: std::mem::replace(&mut app.pre_sketch_marker, slot.pre_sketch_marker),
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view: take_view(app),
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};
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put_view(app, slot.view);
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// Views cache by revision: the incoming design must not look unchanged.
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app.session.revision = app.session.revision.max(out_rev) + 1;
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app.ui.tab = if app.session.active_sketch.is_some() { "SKETCH".into() } else { "SOLID".into() };
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out
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}
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/// Make tab `i` the active design.
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pub fn switch(app: &mut SolveApp, i: usize) {
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if i == app.docs.active || i >= app.docs.slots.len() {
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return;
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}
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let Some(incoming) = app.docs.slots.get_mut(i).and_then(Option::take) else { return };
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let out = swap_in(app, incoming);
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let a = app.docs.active;
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if let Some(s) = app.docs.slots.get_mut(a) {
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*s = Some(out);
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}
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app.docs.active = i;
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}
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/// Open `session` in a new tab after the active one and switch to it (`fit`: frame its model).
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pub fn open_tab(app: &mut SolveApp, session: Session) -> Result<(), String> {
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if app.docs.slots.is_empty() {
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app.docs.slots.push(None);
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app.docs.active = 0;
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}
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if app.docs.slots.len() >= MAX_OPEN {
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return Err(format!("at most {MAX_OPEN} designs can be open"));
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}
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let at = app.docs.active + 1;
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app.docs.slots.insert(at, Some(DocSlot::new(session)));
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switch(app, at);
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app.fit_view();
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Ok(())
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}
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/// Is the active design an untouched new one (it can be replaced instead of opening a tab)?
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pub fn active_is_blank(app: &SolveApp) -> bool {
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let s = &app.session;
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s.path.is_none() && s.doc.features.is_empty() && s.doc.params.is_empty() && s.doc.components.is_empty() && !s.is_dirty()
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}
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/// Show `session` (a design built or read elsewhere): in place of a blank active design,
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/// otherwise in a new tab.
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pub fn adopt(app: &mut SolveApp, session: Session) {
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if active_is_blank(app) {
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let rev = app.session.revision;
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crate::dialogs::cancel(app);
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app.tool = None;
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app.session = session;
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app.session.revision = app.session.revision.max(rev) + 1;
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app.cam = Camera::default();
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app.fit_view();
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} else if let Err(e) = open_tab(app, session) {
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app.set_status(e, true);
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}
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}
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/// A new, empty design in its own tab.
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pub fn new_design(app: &mut SolveApp) {
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app.home.open = false;
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if active_is_blank(app) {
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return;
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}
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if let Err(e) = open_tab(app, Session::default()) {
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app.set_status(e, true);
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}
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crate::prefs::apply_new_design(app);
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}
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/// Before opening a file: a fresh tab unless the active design is blank.
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pub fn prepare_open(app: &mut SolveApp) {
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if !active_is_blank(app)
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&& let Err(e) = open_tab(app, Session::default())
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{
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app.set_status(e, true);
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}
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}
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/// Close tab `i`: asks first when it has unsaved changes (`force`: close anyway).
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pub fn close(app: &mut SolveApp, i: usize, force: bool) {
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let n = app.docs.count();
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if i >= n {
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return;
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}
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if !force && dirty(app, i) {
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app.docs.closing = Some(i);
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return;
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}
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app.docs.closing = None;
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if n <= 1 {
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// The last design: a blank one takes its place.
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let rev = app.session.revision;
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crate::dialogs::cancel(app);
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app.tool = None;
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app.session = Session::default();
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app.session.revision = rev + 1;
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app.cam = Camera::default();
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app.fit_view();
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put_view(app, DocView::default());
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app.docs = Documents::default();
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app.home.open = true;
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return;
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}
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if i == app.docs.active {
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// Show a neighbour first, then drop this one.
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let next = if i + 1 < n { i + 1 } else { i - 1 };
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switch(app, next);
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}
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app.docs.slots.remove(i);
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if app.docs.active > i {
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app.docs.active -= 1;
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}
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}
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fn dirty(app: &SolveApp, i: usize) -> bool {
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if i == app.docs.active || app.docs.slots.is_empty() {
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return app.session.is_dirty();
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}
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app.docs.slots.get(i).and_then(Option::as_ref).is_some_and(|s| s.session.is_dirty())
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}
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/// Tab names (with an unsaved-changes flag), in order.
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pub fn tabs_info(app: &SolveApp) -> Vec<(String, bool)> {
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if app.docs.slots.is_empty() {
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return vec![(app.session.doc.name.clone(), app.session.is_dirty())];
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}
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app.docs
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.slots
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.iter()
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.map(|s| match s {
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Some(d) => (d.session.doc.name.clone(), d.session.is_dirty()),
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None => (app.session.doc.name.clone(), app.session.is_dirty()),
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})
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.collect()
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}
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/// The control channel's `ui.documents`: list, `new`, `switch` or `close` (by index; `force`
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/// closes without asking).
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pub fn control(app: &mut SolveApp, p: &Value) -> Value {
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let i = p.get("index").and_then(Value::as_u64).map(|x| x as usize);
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match p.get("action").and_then(Value::as_str) {
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Some("new") => new_design(app),
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Some("switch") => switch(app, i.unwrap_or(app.docs.active)),
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Some("close") => close(app, i.unwrap_or(app.docs.active), p.get("force").and_then(Value::as_bool).unwrap_or(false)),
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_ => {}
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}
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let tabs: Vec<Value> = tabs_info(app).into_iter().map(|(name, dirty)| json!({"name": name, "dirty": dirty})).collect();
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json!({"documents": tabs, "active": app.docs.active, "closing": app.docs.closing})
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}
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/// The document tabs in the application bar, from `x0` to `x1`: click to switch, × to close,
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/// + for a new design.
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pub fn tabs(app: &mut SolveApp, ui: &mut egui::Ui, r: Rect, x0: f32, x1: f32) {
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let t = Tokens::get();
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let info = tabs_info(app);
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let n = info.len();
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let (first, shown, w) = layout(n, app.docs.active, x1 - x0);
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let mut x = x0;
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let mut pick: Option<usize> = None;
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let mut shut: Option<usize> = None;
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for (i, (name, dirty)) in info.iter().enumerate().skip(first).take(shown) {
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let tr = Rect::from_min_size(pos2(x, r.top() + 5.0), vec2(w - 2.0, r.height() - 5.0));
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let active = i == app.docs.active || app.docs.slots.is_empty();
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let resp = ui.interact(tr, ui.id().with(("doc_tab", i)), Sense::click_and_drag());
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// The tabs are part of the title bar: dragging one moves the window, a double click
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// maximizes it.
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if app.custom_titlebar || app.integrated_titlebar {
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if resp.drag_started_by(egui::PointerButton::Primary) {
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ui.ctx().send_viewport_cmd(egui::ViewportCommand::StartDrag);
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} else if resp.double_clicked() {
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crate::titlebar::toggle_maximize(ui.ctx());
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}
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}
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let fill = if active {
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t.toolbar
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} else if resp.hovered() {
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Color32::from_white_alpha(28)
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} else {
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Color32::from_white_alpha(10)
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};
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ui.painter().rect_filled(tr, egui::CornerRadius { nw: 5, ne: 5, sw: 0, se: 0 }, fill);
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let ink = if active { t.text } else { t.app_bar_text };
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let label = format!("{name}{}", if *dirty { " •" } else { "" });
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let g = ui.painter().layout_no_wrap(label, FontId::proportional(13.0), ink);
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let text_w = (tr.width() - 30.0).max(10.0);
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let clip = Rect::from_min_size(tr.min, vec2(text_w + 10.0, tr.height()));
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ui.painter().with_clip_rect(clip).galley(pos2(tr.left() + 10.0, tr.center().y - g.size().y / 2.0), g, ink);
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// ×
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let xr = Rect::from_center_size(pos2(tr.right() - 13.0, tr.center().y), vec2(16.0, 16.0));
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let xresp = ui.interact(xr, ui.id().with(("doc_close", i)), Sense::click());
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if xresp.hovered() {
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ui.painter().rect_filled(xr, 3.0, Color32::from_white_alpha(40));
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}
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let c = xr.center();
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let s = Stroke::new(1.3, if active { t.text_dim } else { t.app_bar_text });
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ui.painter().line_segment([c - vec2(3.5, 3.5), c + vec2(3.5, 3.5)], s);
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ui.painter().line_segment([c - vec2(3.5, -3.5), c + vec2(3.5, -3.5)], s);
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if xresp.on_hover_text("Close").clicked() {
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shut = Some(i);
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} else if resp.on_hover_text(name.as_str()).clicked() {
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pick = Some(i);
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}
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x += w;
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}
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// More tabs than fit: a chevron lists them all.
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if shown < n {
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let mr = Rect::from_center_size(pos2(x + 12.0, r.center().y + 2.0), vec2(20.0, 22.0));
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let mresp = ui.interact(mr, ui.id().with("doc_more"), Sense::click());
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if mresp.hovered() {
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ui.painter().rect_filled(mr, 4.0, Color32::from_white_alpha(30));
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}
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ui.painter().text(mr.center(), egui::Align2::CENTER_CENTER, format!("»{}", n - shown), FontId::proportional(12.0), t.app_bar_text);
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let id = egui::Id::new("sc_doc_more");
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if mresp.clone().on_hover_text("All open designs").clicked() {
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ui.ctx().data_mut(|d| d.insert_temp(id, !d.get_temp::<bool>(id).unwrap_or(false)));
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}
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if ui.ctx().data(|d| d.get_temp::<bool>(id).unwrap_or(false)) {
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let resp = egui::Area::new(id.with("area")).fixed_pos(pos2(mr.left(), r.bottom())).order(egui::Order::Foreground).show(ui.ctx(), |ui| {
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crate::context_menu::menu_frame(ui, |ui| {
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for (i, (name, dirty)) in info.iter().enumerate() {
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let item = crate::context_menu::Item::action(
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"doc",
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&format!("{name}{}", if *dirty { " •" } else { "" }),
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if i == app.docs.active { "box" } else { "" },
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);
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if crate::context_menu::list_row(ui, &item).is_some() {
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pick = Some(i);
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}
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}
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})
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});
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let pressed_outside = ui.ctx().input(|i| i.pointer.any_pressed()) && !resp.response.contains_pointer() && !mresp.contains_pointer();
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if pick.is_some() || pressed_outside {
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ui.ctx().data_mut(|d| d.insert_temp(id, false));
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}
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}
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x += 26.0;
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}
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// New design: a new tab showing the start page.
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let pr = Rect::from_center_size(pos2(x + 14.0, r.center().y + 2.0), vec2(22.0, 22.0));
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let presp = ui.interact(pr, ui.id().with("doc_new"), Sense::click());
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if presp.hovered() {
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ui.painter().rect_filled(pr, 4.0, Color32::from_white_alpha(30));
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}
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let c = pr.center();
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let s = Stroke::new(1.6, t.app_bar_text);
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ui.painter().line_segment([c - vec2(6.0, 0.0), c + vec2(6.0, 0.0)], s);
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ui.painter().line_segment([c - vec2(0.0, 6.0), c + vec2(0.0, 6.0)], s);
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if presp.on_hover_text("New Design (Ctrl+N)").clicked() {
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new_design(app);
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app.home.show(app.session.revision);
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}
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if let Some(i) = shut {
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close(app, i, false);
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} else if let Some(i) = pick {
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switch(app, i);
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}
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}
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/// Which tabs the strip shows in `room` points: (first, how many, tab width). Tabs shrink to
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/// `MIN_TAB`; past that a window of tabs around the active one is shown and the rest go in the »
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/// list.
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pub fn layout(n: usize, active: usize, room: f32) -> (usize, usize, f32) {
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const MIN_TAB: f32 = 90.0;
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let n = n.max(1);
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let avail = (room - 34.0).max(MIN_TAB);
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if avail / n as f32 >= MIN_TAB {
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return (0, n, (avail / n as f32).min(220.0));
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}
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// Leave room for the » button.
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let fit = (((avail - 26.0) / MIN_TAB).floor() as usize).max(1);
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let first = active.saturating_sub(fit - 1).min(n - fit);
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(first, fit, MIN_TAB)
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}
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/// The "save changes?" prompt for a tab being closed.
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pub fn prompt(app: &mut SolveApp, ctx: &egui::Context) {
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let Some(i) = app.docs.closing else { return };
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let name = tabs_info(app).get(i).map(|x| x.0.clone()).unwrap_or_default();
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let mut answer: Option<u8> = None;
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egui::Window::new("Save changes?")
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.id(egui::Id::new("sc_close_prompt"))
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.collapsible(false)
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.resizable(false)
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.anchor(Align2::CENTER_CENTER, vec2(0.0, 0.0))
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.show(ctx, |ui| {
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ui.label(format!("{name} has unsaved changes."));
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ui.add_space(8.0);
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ui.horizontal(|ui| {
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if ui.button("Save").clicked() {
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answer = Some(0);
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}
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if ui.button("Don't Save").clicked() {
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answer = Some(1);
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}
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if ui.button("Cancel").clicked() {
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answer = Some(2);
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}
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});
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});
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if ctx.input(|x| x.key_pressed(egui::Key::Escape)) {
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answer = Some(2);
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app.esc_handled = true;
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}
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match answer {
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Some(0) => {
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switch(app, i);
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crate::toolbar::save(app);
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// Saved (not cancelled in the file picker): close it.
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if !app.session.is_dirty() {
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close(app, app.docs.active, true);
|
||
} else {
|
||
app.docs.closing = None;
|
||
}
|
||
}
|
||
Some(1) => close(app, i, true),
|
||
Some(2) => app.docs.closing = None,
|
||
_ => {}
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use super::*;
|
||
use crate::Services;
|
||
|
||
fn app() -> SolveApp {
|
||
SolveApp::new(Session::default(), Services::default())
|
||
}
|
||
|
||
/// Each tab keeps its own design, undo, selection and camera; closing asks when there are
|
||
/// unsaved changes; the last tab closing leaves a blank design.
|
||
#[test]
|
||
fn the_tab_strip_overflows_into_a_list_keeping_the_active_tab() {
|
||
assert_eq!(layout(2, 0, 800.0), (0, 2, 220.0));
|
||
let (first, shown, w) = layout(12, 11, 600.0);
|
||
assert!(shown < 12 && w == 90.0);
|
||
assert!((first..first + shown).contains(&11), "the active tab stays visible");
|
||
assert!(shown as f32 * w + 26.0 + 34.0 <= 600.0 + 0.5);
|
||
assert_eq!(layout(12, 0, 600.0).0, 0);
|
||
}
|
||
|
||
#[test]
|
||
fn tabs_keep_their_own_design() {
|
||
let mut a = app();
|
||
a.run("PrimitiveBox", json!({"length": 10, "width": 10, "height": 10})).unwrap();
|
||
a.session.selection = vec![solvecraft_engine::Sel::Body { name: "Body1".into() }];
|
||
a.cam.distance = 123.0;
|
||
new_design(&mut a);
|
||
assert_eq!(a.docs.count(), 2);
|
||
assert_eq!(a.docs.active, 1);
|
||
assert!(a.session.doc.features.is_empty() && a.session.selection.is_empty());
|
||
a.run("PrimitiveSphere", json!({"diameter": 8})).unwrap();
|
||
a.run("PrimitiveSphere", json!({"diameter": 4})).unwrap();
|
||
switch(&mut a, 0);
|
||
assert_eq!(a.session.doc.features.len(), 1);
|
||
assert_eq!(a.session.selection.len(), 1);
|
||
assert!((a.cam.distance - 123.0).abs() < 1e-9);
|
||
a.run("UndoCommand", json!({})).unwrap();
|
||
assert!(a.session.doc.features.is_empty(), "undo is this design's");
|
||
switch(&mut a, 1);
|
||
assert_eq!(a.session.doc.features.len(), 2, "the other design kept its features");
|
||
// Unsaved: closing asks, Don't Save closes.
|
||
close(&mut a, 1, false);
|
||
assert_eq!(a.docs.closing, Some(1));
|
||
assert_eq!(a.docs.count(), 2);
|
||
close(&mut a, 1, true);
|
||
assert_eq!(a.docs.count(), 1);
|
||
assert_eq!(a.docs.active, 0);
|
||
close(&mut a, 0, true);
|
||
assert!(active_is_blank(&a) && a.home.open);
|
||
}
|
||
|
||
/// A design built elsewhere replaces a blank one and gets a tab otherwise.
|
||
#[test]
|
||
fn adopt_reuses_a_blank_design() {
|
||
let mut a = app();
|
||
let mut s = Session::default();
|
||
s.run_script(&solvecraft_engine::sample::script()).unwrap();
|
||
adopt(&mut a, s);
|
||
assert_eq!(a.docs.count(), 1);
|
||
assert!(!a.session.doc.features.is_empty());
|
||
adopt(&mut a, Session::default());
|
||
assert_eq!(a.docs.count(), 2);
|
||
let v = control(&mut a, &json!({"action": "switch", "index": 0}));
|
||
assert_eq!(v["active"], 0);
|
||
assert_eq!(v["documents"].as_array().map(Vec::len), Some(2));
|
||
}
|
||
}
|