Combine source navigation and alias rename with canvas ownership guards

2026-09-12 19:49:26 -07:00
parent 95e0e12716
commit a17ca5d066
72 changed files with 21764 additions and 189 deletions
@@ -0,0 +1,260 @@
+use crate::{
+    app::{App, Message},
+    source_navigation::{
+        SymbolEvent,
+        query::{self, Declaration, Disposition, Evidence, Identity, Membership, Position},
+    },
+    style,
+};
+use iced::{
+    Element, Fill,
+    widget::{Space, button, column, container, row, scrollable, text, tooltip},
+};
+
+pub(super) fn panel(app: &App) -> Element<'_, Message> {
+    let state = &app.source_symbols;
+    if !state.open
+        || (state.results.is_none() && state.in_flight.is_none() && state.notice.is_none())
+    {
+        return column![].into();
+    }
+    let title = state.results.as_ref().map_or_else(
+        || "Source symbols".to_owned(),
+        |results| {
+            let action = match results.action {
+                query::Action::Definition => "Definitions",
+                query::Action::References => "References",
+            };
+            results.alias.as_ref().map_or_else(
+                || action.to_owned(),
+                |alias| format!("{action} · @{}", preview(alias, 40)),
+            )
+        },
+    );
+    let mut content = column![
+        row![
+            text(title).size(13),
+            Space::new().width(Fill),
+            button(text("Close").size(11))
+                .padding([3, 8])
+                .style(style::nav)
+                .on_press(app.source_symbol_message(SymbolEvent::Close)),
+        ]
+        .align_y(iced::Center)
+    ]
+    .spacing(5);
+
+    if let Some(notice) = &state.notice {
+        content = content.push(super::label(preview(notice, 240)));
+    }
+    if state.in_flight.is_some() {
+        content = content.push(super::label("Finding source symbols…"));
+    } else if let Some(results) = &state.results {
+        let stale = results.stamp.snapshot != app.source_key();
+        if stale {
+            content = content.push(super::label(
+                "Stale results — source changed. Run Definition or References again.",
+            ));
+        }
+        let scope = &results.scope;
+        content = content.push(super::label(format!(
+            "{} · {} · {} included / {} detached / {} unverified files · {} scope issues",
+            if scope.partial() {
+                "Partial scope"
+            } else {
+                "Complete include scope"
+            },
+            if !scope.applied {
+                "Unapplied drafts"
+            } else if scope.validated {
+                "Validated sources"
+            } else {
+                "Draft sources"
+            },
+            scope.included_files,
+            scope.detached_files,
+            scope.unverified_files,
+            scope.issues.len(),
+        )));
+        let explanation = match results.disposition {
+            Disposition::NoSymbol => "Place the caret on a declaration alias or an @reference.",
+            Disposition::NoDefinition => "No matching declaration in the loaded sources.",
+            Disposition::Choices => {
+                "Choose a declaration; draft and detached candidates need an explicit choice."
+            }
+            Disposition::Direct => "Definition in the current sources.",
+            Disposition::LexicalReferences => {
+                "Lexical uses of this alias; these do not establish a semantic target."
+            }
+        };
+        content = content.push(super::label(explanation));
+        if results.total_definitions > 1 {
+            content = content.push(super::label(format!(
+                "Alias collision: {} declarations. Uses are not attributed to a single declaration.",
+                results.total_definitions,
+            )));
+        }
+        let enabled = !stale && !app.busy;
+        let mut rows = column![super::label(counts(
+            "Declarations",
+            results.definitions.len(),
+            results.total_definitions,
+            results.omitted_definitions,
+        ))]
+        .spacing(4);
+        for (index, definition) in results.definitions.iter().enumerate() {
+            rows = rows.push(location_row(
+                declaration_title(&definition.declaration),
+                &definition.path,
+                definition.position,
+                provenance(
+                    definition.membership,
+                    definition.evidence,
+                    definition.declaration.identity,
+                    false,
+                ),
+                enabled.then(|| {
+                    app.source_symbol_message(SymbolEvent::Choose {
+                        stamp: results.stamp,
+                        reference: false,
+                        index,
+                    })
+                }),
+            ));
+        }
+        rows = rows.push(super::label(counts(
+            "Lexical uses",
+            results.references.len(),
+            results.total_references,
+            results.omitted_references,
+        )));
+        for (index, reference) in results.references.iter().enumerate() {
+            let title = reference.context.as_ref().map_or_else(
+                || format!("@{} · lexical use", preview(&reference.alias, 48)),
+                |context| {
+                    format!(
+                        "@{} · inside {}",
+                        preview(&reference.alias, 48),
+                        declaration_title(context)
+                    )
+                },
+            );
+            rows = rows.push(location_row(
+                title,
+                &reference.path,
+                reference.position,
+                provenance(
+                    reference.membership,
+                    reference.evidence,
+                    reference
+                        .context
+                        .as_ref()
+                        .map_or(Identity::Missing, |context| context.identity),
+                    true,
+                ),
+                enabled.then(|| {
+                    app.source_symbol_message(SymbolEvent::Choose {
+                        stamp: results.stamp,
+                        reference: true,
+                        index,
+                    })
+                }),
+            ));
+        }
+        let row_count = results.definitions.len() + results.references.len();
+        content =
+            content.push(scrollable(rows).height((44.0 + row_count as f32 * 48.0).min(180.0)));
+    }
+    container(content)
+        .padding(8)
+        .width(Fill)
+        .style(style::subtle)
+        .into()
+}
+
+fn counts(label: &str, shown: usize, total: usize, omitted: usize) -> String {
+    format!("{label}: {total} total · {shown} shown · {omitted} omitted")
+}
+
+fn declaration_title(declaration: &Declaration) -> String {
+    let name = declaration
+        .name
+        .as_ref()
+        .map_or_else(String::new, |name| format!(" \"{}\"", preview(name, 48)));
+    format!(
+        "{}{} · @{}",
+        preview(&declaration.kind, 24),
+        name,
+        preview(&declaration.alias, 48)
+    )
+}
+
+fn provenance(
+    membership: Membership,
+    evidence: Evidence,
+    identity: Identity,
+    context: bool,
+) -> String {
+    let membership = match membership {
+        Membership::Included => "Included",
+        Membership::Detached => "Detached",
+        Membership::Unverified => "Unverified",
+    };
+    let evidence = match evidence {
+        Evidence::Validated => "Validated",
+        Evidence::Draft => "Draft",
+    };
+    let collision = match identity {
+        Identity::Collision { count } => format!(
+            " · {}ID collision ({count})",
+            if context { "Context " } else { "" },
+        ),
+        Identity::Missing | Identity::Unique(_) => String::new(),
+    };
+    format!("{membership} · {evidence}{collision}")
+}
+
+fn location_row(
+    title: String,
+    path: &str,
+    position: Position,
+    status: String,
+    event: Option<Message>,
+) -> Element<'static, Message> {
+    let line = position.line.saturating_add(1);
+    let column = position.byte_column.saturating_add(1);
+    let location = format!("{}:{line}:{column}", preview(path, 72));
+    tooltip(
+        button(
+            column![
+                text(title).size(12),
+                super::label(format!("{location} · {status}"))
+            ]
+            .spacing(2),
+        )
+        .padding([4, 6])
+        .width(Fill)
+        .style(style::nav)
+        .on_press_maybe(event),
+        text(format!(
+            "{path}:{line}:{column} (1-based line and UTF-8 byte column)"
+        ))
+        .size(11),
+        tooltip::Position::Top,
+    )
+    .into()
+}
+
+/// Keep headings compact without copying the remainder of a long admitted value.
+fn preview(value: &str, limit: usize) -> String {
+    let mut chars = value.chars();
+    let mut result: String = chars
+        .by_ref()
+        .take(limit)
+        .map(|ch| if ch.is_whitespace() { ' ' } else { ch })
+        .collect();
+    if chars.next().is_some() {
+        result.push('…');
+    }
+    result
+}