inline eval results below /= lines, remove status bar panel

viewport/Cargo.toml

@@ -16,6 +16,7 @@ wgpu = "27"
 raw-window-handle = "0.6"
 pollster = "0.4"
 smol_str = "0.2"
+serde_json = "1"
 
 [build-dependencies]
 cbindgen = "0.27"

viewport/include/acord.h

@@ -13,6 +13,10 @@
 #include <stdint.h>
 #include <stdlib.h>
 
+#define EVAL_RESULT_KIND 24
+
+#define EVAL_ERROR_KIND 25
+
 typedef struct ViewportHandle ViewportHandle;
 
 struct ViewportHandle *viewport_create(void *nsview, float width, float height, float scale);

viewport/src/editor.rs

@@ -8,7 +8,7 @@ use iced_wgpu::core::{
 };
 use iced_widget::container;
 use iced_widget::markdown;
-use iced_widget::text_editor::{self, Binding, KeyPress, Motion, Status, Style};
+use iced_widget::text_editor::{self, Binding, Cursor, KeyPress, Motion, Position, Status, Style};
 use iced_wgpu::core::text::highlighter::Format;
 use crate::syntax::{self, SyntaxHighlighter, SyntaxSettings};
 
@@ -28,13 +28,14 @@ pub enum Message {
     ZoomReset,
 }
 
+pub const RESULT_PREFIX: &str = "→ ";
+pub const ERROR_PREFIX: &str = "⚠ ";
+
 pub struct EditorState {
     pub content: text_editor::Content<iced_wgpu::Renderer>,
     pub font_size: f32,
     pub preview: bool,
     pub parsed: Vec<markdown::Item>,
-    pub eval_results: Vec<(usize, String)>,
-    pub eval_errors: Vec<(usize, String)>,
     pub lang: Option<String>,
 }
 
@@ -85,8 +86,6 @@ impl EditorState {
             font_size: 14.0,
             preview: false,
             parsed: Vec::new(),
-            eval_results: Vec::new(),
-            eval_errors: Vec::new(),
             lang: Some("rust".into()),
         }
     }
@@ -101,7 +100,7 @@ impl EditorState {
     }
 
     fn reparse(&mut self) {
-        let text = self.content.text();
+        let text = self.get_clean_text();
         self.parsed = markdown::parse(&text).collect();
     }
 
@@ -133,11 +132,49 @@ impl EditorState {
         self.reparse();
     }
 
+    pub fn get_clean_text(&self) -> String {
+        strip_result_lines(&self.content.text())
+    }
+
     fn run_eval(&mut self) {
-        let text = self.content.text();
-        let doc = crate::eval::evaluate_document(&text);
-        self.eval_results = doc.results.into_iter().map(|r| (r.line, r.result)).collect();
-        self.eval_errors = doc.errors.into_iter().map(|e| (e.line, e.error)).collect();
+        let old_cursor = self.content.cursor();
+        let old_text = self.content.text();
+        let clean_line = to_clean_line(&old_text, old_cursor.position.line);
+        let clean_col = old_cursor.position.column;
+
+        let clean = strip_result_lines(&old_text);
+        let doc = crate::eval::evaluate_document(&clean);
+
+        let mut insertions: Vec<(usize, Vec<String>)> = Vec::new();
+        for r in &doc.results {
+            let lines = format_result_lines(&r.result, &r.format);
+            if !lines.is_empty() {
+                insertions.push((r.line, lines));
+            }
+        }
+        for e in &doc.errors {
+            insertions.push((e.line, vec![format!("{}{}", ERROR_PREFIX, e.error)]));
+        }
+        insertions.sort_by_key(|(line, _)| *line);
+
+        let mut out_lines: Vec<String> = clean.lines().map(|l| l.to_string()).collect();
+        let mut offset = 0usize;
+        for (line, inject) in &insertions {
+            let insert_at = (*line + 1 + offset).min(out_lines.len());
+            for (i, injected) in inject.iter().enumerate() {
+                out_lines.insert(insert_at + i, injected.clone());
+            }
+            offset += inject.len();
+        }
+
+        let new_text = out_lines.join("\n");
+        let new_line = from_clean_line(&new_text, clean_line);
+
+        self.content = text_editor::Content::with_text(&new_text);
+        self.content.move_to(Cursor {
+            position: Position { line: new_line, column: clean_col },
+            selection: None,
+        });
     }
 
     pub fn update(&mut self, message: Message) {
@@ -244,28 +281,25 @@ impl EditorState {
                     selection: Color::from_rgba(0.3, 0.5, 0.8, 0.4),
                 });
 
-            if let Some(lang) = &self.lang {
-                let settings = SyntaxSettings {
-                    lang: lang.clone(),
-                    source: self.content.text(),
-                };
-                editor
-                    .highlight_with::<SyntaxHighlighter>(
-                        settings,
-                        |highlight, _theme| Format {
-                            color: Some(syntax::highlight_color(highlight.kind)),
-                            font: None,
-                        },
-                    )
-                    .into()
-            } else {
-                editor.into()
-            }
+            let settings = SyntaxSettings {
+                lang: self.lang.clone().unwrap_or_default(),
+                source: self.content.text(),
+            };
+            editor
+                .highlight_with::<SyntaxHighlighter>(
+                    settings,
+                    |highlight, _theme| Format {
+                        color: Some(syntax::highlight_color(highlight.kind)),
+                        font: None,
+                    },
+                )
+                .into()
         };
 
         let mode_label = if self.preview { "Preview" } else { "Edit" };
         let cursor = self.content.cursor();
-        let line = cursor.position.line + 1;
+        let text = self.content.text();
+        let line = to_clean_line(&text, cursor.position.line) + 1;
         let col = cursor.position.column + 1;
 
         let status_bar = iced_widget::container(
@@ -290,44 +324,6 @@ impl EditorState {
         let mut col_items: Vec<Element<'_, Message, Theme, iced_wgpu::Renderer>> =
             vec![main_content];
 
-        if !self.eval_results.is_empty() || !self.eval_errors.is_empty() {
-            let mut result_items: Vec<Element<'_, Message, Theme, iced_wgpu::Renderer>> = Vec::new();
-
-            for (ln, val) in &self.eval_results {
-                result_items.push(
-                    iced_widget::text(format!("Ln {}: {}", ln + 1, val))
-                        .font(Font::MONOSPACE)
-                        .size(11.0)
-                        .color(Color::from_rgb(0.651, 0.890, 0.631))
-                        .into(),
-                );
-            }
-            for (ln, err) in &self.eval_errors {
-                result_items.push(
-                    iced_widget::text(format!("Ln {}: {}", ln + 1, err))
-                        .font(Font::MONOSPACE)
-                        .size(11.0)
-                        .color(Color::from_rgb(0.890, 0.400, 0.400))
-                        .into(),
-                );
-            }
-
-            let eval_panel = iced_widget::container(
-                iced_widget::column(result_items).spacing(2.0),
-            )
-            .width(Length::Fill)
-            .padding(Padding { top: 4.0, right: 10.0, bottom: 4.0, left: 10.0 })
-            .style(|_theme: &Theme| container::Style {
-                background: Some(Background::Color(Color::from_rgb(0.10, 0.10, 0.12))),
-                border: Border::default(),
-                text_color: None,
-                shadow: Shadow::default(),
-                snap: false,
-            });
-
-            col_items.push(eval_panel.into());
-        }
-
         col_items.push(status_bar.into());
 
         iced_widget::column(col_items)
@@ -336,6 +332,121 @@ impl EditorState {
     }
 }
 
+fn to_clean_line(text: &str, display_line: usize) -> usize {
+    let mut clean = 0;
+    for (i, line) in text.lines().enumerate() {
+        if i == display_line {
+            return clean;
+        }
+        if !is_result_line(line) {
+            clean += 1;
+        }
+    }
+    clean
+}
+
+fn from_clean_line(text: &str, clean_target: usize) -> usize {
+    let mut clean = 0;
+    for (i, line) in text.lines().enumerate() {
+        if !is_result_line(line) {
+            if clean == clean_target {
+                return i;
+            }
+            clean += 1;
+        }
+    }
+    text.lines().count().saturating_sub(1)
+}
+
+pub fn is_result_line(line: &str) -> bool {
+    let trimmed = line.trim_start();
+    trimmed.starts_with(RESULT_PREFIX) || trimmed.starts_with(ERROR_PREFIX)
+}
+
+fn strip_result_lines(text: &str) -> String {
+    let lines: Vec<&str> = text.lines().filter(|l| !is_result_line(l)).collect();
+    let mut result = lines.join("\n");
+    if text.ends_with('\n') {
+        result.push('\n');
+    }
+    result
+}
+
+fn format_result_lines(result: &str, format: &str) -> Vec<String> {
+    match format {
+        "table" => format_table(result),
+        "tree" => format_tree(result),
+        _ => vec![format!("{}{}", RESULT_PREFIX, result)],
+    }
+}
+
+fn format_table(json: &str) -> Vec<String> {
+    let rows: Vec<Vec<String>> = match serde_json::from_str(json) {
+        Ok(r) => r,
+        Err(_) => return vec![format!("{}{}", RESULT_PREFIX, json)],
+    };
+    if rows.is_empty() {
+        return vec![format!("{}(empty table)", RESULT_PREFIX)];
+    }
+
+    let col_count = rows.iter().map(|r| r.len()).max().unwrap_or(0);
+    let mut widths = vec![0usize; col_count];
+    for row in &rows {
+        for (i, cell) in row.iter().enumerate() {
+            if i < col_count {
+                widths[i] = widths[i].max(cell.len());
+            }
+        }
+    }
+
+    let mut lines = Vec::new();
+    for (ri, row) in rows.iter().enumerate() {
+        let cells: Vec<String> = (0..col_count)
+            .map(|i| {
+                let val = row.get(i).map(|s| s.as_str()).unwrap_or("");
+                format!("{:width$}", val, width = widths[i])
+            })
+            .collect();
+        lines.push(format!("{}│ {} │", RESULT_PREFIX, cells.join(" │ ")));
+        if ri == 0 && rows.len() > 1 {
+            let sep: Vec<String> = widths.iter().map(|w| "─".repeat(*w)).collect();
+            lines.push(format!("{}├─{}─┤", RESULT_PREFIX, sep.join("─┼─")));
+        }
+    }
+    lines
+}
+
+fn format_tree(json: &str) -> Vec<String> {
+    let val: serde_json::Value = match serde_json::from_str(json) {
+        Ok(v) => v,
+        Err(_) => return vec![format!("{}{}", RESULT_PREFIX, json)],
+    };
+    let mut lines = Vec::new();
+    render_tree_node(&val, &mut lines, 0);
+    lines
+}
+
+fn render_tree_node(val: &serde_json::Value, lines: &mut Vec<String>, depth: usize) {
+    let indent = "  ".repeat(depth);
+    match val {
+        serde_json::Value::Array(items) => {
+            for item in items {
+                render_tree_node(item, lines, depth + 1);
+            }
+        }
+        other => {
+            let display = match other {
+                serde_json::Value::String(s) => s.clone(),
+                serde_json::Value::Number(n) => n.to_string(),
+                serde_json::Value::Bool(b) => b.to_string(),
+                serde_json::Value::Null => "null".to_string(),
+                _ => other.to_string(),
+            };
+            lines.push(format!("{}{}{}", RESULT_PREFIX, indent, display));
+        }
+    }
+}
+
 fn parse_let_binding(line: &str) -> Option<String> {
     let rest = line.strip_prefix("let ")?;
     let eq_pos = rest.find('=')?;

viewport/src/lib.rs

@@ -163,7 +163,7 @@ pub extern "C" fn viewport_get_text(handle: *mut ViewportHandle) -> *mut c_char
         Some(h) => h,
         None => return std::ptr::null_mut(),
     };
-    let text = h.state.content.text();
+    let text = h.state.get_clean_text();
     CString::new(text).unwrap_or_default().into_raw()
 }
 

viewport/src/syntax.rs

@@ -3,6 +3,10 @@ use std::ops::Range;
 use iced_wgpu::core::text::highlighter;
 use iced_wgpu::core::Color;
 use acord_core::highlight::{highlight_source, HighlightSpan};
+use crate::editor::{RESULT_PREFIX, ERROR_PREFIX};
+
+pub const EVAL_RESULT_KIND: u8 = 24;
+pub const EVAL_ERROR_KIND: u8 = 25;
 
 #[derive(Clone, PartialEq)]
 pub struct SyntaxSettings {
@@ -64,6 +68,14 @@ impl highlighter::Highlighter for SyntaxHighlighter {
         let ln = self.current_line;
         self.current_line += 1;
 
+        let trimmed = _line.trim_start();
+        if trimmed.starts_with(RESULT_PREFIX) {
+            return vec![(0.._line.len(), SyntaxHighlight { kind: EVAL_RESULT_KIND })].into_iter();
+        }
+        if trimmed.starts_with(ERROR_PREFIX) {
+            return vec![(0.._line.len(), SyntaxHighlight { kind: EVAL_ERROR_KIND })].into_iter();
+        }
+
         if ln >= self.line_offsets.len() {
             return Vec::new().into_iter();
         }
@@ -120,6 +132,8 @@ pub fn highlight_color(kind: u8) -> Color {
         21 => Color::from_rgb(0.569, 0.878, 0.800),  // label - teal
         22 => Color::from_rgb(0.949, 0.604, 0.584),  // escape - red
         23 => Color::from_rgb(0.804, 0.839, 0.957),  // embedded - text
+        24 => Color::from_rgb(0.651, 0.890, 0.631),  // eval result - green
+        25 => Color::from_rgb(0.890, 0.400, 0.400),  // eval error - muted red
         _ => Color::from_rgb(0.804, 0.839, 0.957),   // default text
     }
 }