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pub struct FileFinder {
    picker: Entity<Picker<FileFinderDelegate>>,
    picker_focus_handle: FocusHandle,
    init_modifiers: Option<Modifiers>,
}

actions!(
    file_finder,
    [
        /// Selects the previous item in the file finder.
        SelectPrevious,
        /// Toggles the file filter menu.
        ToggleFilterMenu,
        /// Toggles the split direction menu.
        ToggleSplitMenu
    ]
);

pub struct ProjectSymbolsDelegate {
    workspace: WeakEntity<Workspace>,
    project: Entity<Project>,
    selected_match_index: usize,
    symbols: Vec<Symbol>,
    visible_match_candidates: Vec<StringMatchCandidate>,
    external_match_candidates: Vec<StringMatchCandidate>,
    show_worktree_root_name: bool,
    matches: Vec<StringMatch>,
}

/// Goes to the definition of the symbol at cursor.
GoToDefinition,
/// Goes to definition in a split pane.
GoToDefinitionSplit,
/// Goes to the declaration of the symbol at cursor.
GoToDeclaration,
/// Goes to declaration in a split pane.
GoToDeclarationSplit,
/// Goes to the type definition of the symbol at cursor.
GoToTypeDefinition,
/// Goes to type definition in a split pane.
GoToTypeDefinitionSplit,
/// Goes to the implementation of the symbol at cursor.
GoToImplementation,
/// Goes to implementation in a split pane.
GoToImplementationSplit,

/// Finds all references to the symbol at cursor.
pub struct FindAllReferences {
    pub always_open_multibuffer: bool,
}

impl Default for FindAllReferences {
    fn default() -> Self {
        Self {
            always_open_multibuffer: true,
        }
    }
}

/// Goes to the parent module of the current file.
GoToParentModule,

/// Moves cursor to the enclosing bracket.
MoveToEnclosingBracket,

/// Moves cursor to the end of the paragraph.
MoveToEndOfParagraph,
/// Moves cursor to the start of the paragraph.
MoveToStartOfParagraph,

/// Goes to the next document highlight.
GoToNextDocumentHighlight,
/// Goes to the previous document highlight.
GoToPreviousDocumentHighlight,

/// Goes to the next reference to the symbol under the cursor.
GoToNextReference,
/// Goes to the previous reference to the symbol under the cursor.
GoToPreviousReference,

/// Goes to the next diagnostic in the file.
pub struct GoToDiagnostic {
    pub severity: GoToDiagnosticSeverityFilter,
}

/// Goes to the previous diagnostic in the file.
pub struct GoToPreviousDiagnostic {
    pub severity: GoToDiagnosticSeverityFilter,
}

/// Goes to the next change in the file.
GoToNextChange,
/// Goes to the previous change in the file.
GoToPreviousChange,
/// Goes to the next diff hunk.
GoToHunk,
/// Goes to the previous diff hunk.
GoToPreviousHunk,

actions!(
    go_to_line,
    [
        /// Toggles the go to line dialog.
        #[action(name = "Toggle")]
        ToggleGoToLine
    ]
);

/// Scrolls the cursor to the bottom of the viewport.
ScrollCursorBottom,
/// Scrolls the cursor to the center of the viewport.
ScrollCursorCenter,
/// Cycles cursor position between center, top, and bottom.
ScrollCursorCenterTopBottom,
/// Scrolls the cursor to the top of the viewport.
ScrollCursorTop,

/// Scrolls down by half a page.
HalfPageDown,
/// Scrolls up by half a page.
HalfPageUp,
/// Scrolls down by one page.
PageDown,
/// Scrolls up by one page.
PageUp,

/// Moves cursor to the start of the current excerpt.
MoveToStartOfExcerpt,
/// Moves cursor to the start of the next excerpt.
MoveToStartOfNextExcerpt,
/// Moves cursor to the end of the current excerpt.
MoveToEndOfExcerpt,
/// Moves cursor to the end of the previous excerpt.
MoveToEndOfPreviousExcerpt,

/// Shows hover information for the symbol at cursor.
Hover,
/// Shows git blame information for the current line.
BlameHover,

/// Opens the file whose name is selected in the editor.
OpenSelectedFilename,
/// Opens all selections in a multibuffer.
OpenSelectionsInMultibuffer,
/// Opens the URL at cursor position.
OpenUrl,
/// Opens excerpts from the current file.
OpenExcerpts,
/// Opens excerpts in a split pane.
OpenExcerptsSplit,