bugs fixed

canvas/src/canvas/actions/types.rs

@@ -1,6 +1,7 @@
 // src/canvas/actions/types.rs
 
 /// All available canvas actions
+#[non_exhaustive]
 #[derive(Debug, Clone, PartialEq)]
 pub enum CanvasAction {
     // Movement actions
@@ -42,6 +43,7 @@ pub enum CanvasAction {
 }
 
 /// Result type for canvas actions
+#[non_exhaustive]
 #[derive(Debug, Clone)]
 pub enum ActionResult {
     Success,

canvas/src/canvas/gui.rs

@@ -73,6 +73,9 @@ fn clip_with_indicator_line<'a>(s: &'a str, width: u16, indicator: char) -> Line
     Line::from(vec![Span::raw(out), Span::raw(indicator.to_string())])
 }
 
+#[cfg(feature = "gui")]
+const RIGHT_PAD: u16 = 3;
+
 #[cfg(feature = "gui")]
 fn slice_by_display_cols(s: &str, start_cols: u16, max_cols: u16) -> String {
     if max_cols == 0 {
@@ -107,15 +110,9 @@ fn slice_by_display_cols(s: &str, start_cols: u16, max_cols: u16) -> String {
     out
 }
 
-#[cfg(feature = "gui")]
-const RIGHT_PAD: u16 = 3;
-
 #[cfg(feature = "gui")]
 fn compute_h_scroll_with_padding(cursor_cols: u16, width: u16) -> (u16, u16) {
-    // Returns (h_scroll, left_cols). left_cols = 1 if a left indicator is shown.
-    // We pre-emptively keep the caret out of the last RIGHT_PAD columns.
     let mut h = 0u16;
-    // Two passes are enough to converge (second pass accounts for left indicator).
     for _ in 0..2 {
         let left_cols = if h > 0 { 1 } else { 0 };
         let max_x_visible = width.saturating_sub(1 + RIGHT_PAD + left_cols);
@@ -130,21 +127,21 @@ fn compute_h_scroll_with_padding(cursor_cols: u16, width: u16) -> (u16, u16) {
 }
 
 #[cfg(feature = "gui")]
-fn active_indicator_viewport(
-    s: &str,
+fn render_active_line_with_indicator<T: CanvasTheme>(
+    typed_text: &str,
+    completion: Option<&str>,
     width: u16,
     indicator: char,
     cursor_chars: usize,
-    _right_padding: u16, // kept for signature symmetry; we use RIGHT_PAD constant
+    theme: &T,
 ) -> (Line<'static>, u16, u16) {
     if width == 0 {
         return (Line::from(""), 0, 0);
     }
 
-    // Total display width of the string and cursor display column
-    let total_cols = display_width(s);
+    // Cursor display column
     let mut cursor_cols: u16 = 0;
-    for (i, ch) in s.chars().enumerate() {
+    for (i, ch) in typed_text.chars().enumerate() {
         if i >= cursor_chars {
             break;
         }
@@ -152,22 +149,41 @@ fn active_indicator_viewport(
             .saturating_add(UnicodeWidthChar::width(ch).unwrap_or(0) as u16);
     }
 
-    // Pre-emptive scroll: never let caret enter the last RIGHT_PAD columns
     let (h_scroll, left_cols) = compute_h_scroll_with_padding(cursor_cols, width);
 
-    // Right indicator if more content beyond the window start
+    let total_cols = display_width(typed_text);
     let content_budget = width.saturating_sub(left_cols);
     let show_right = total_cols.saturating_sub(h_scroll) > content_budget;
     let right_cols: u16 = if show_right { 1 } else { 0 };
 
     let visible_cols = width.saturating_sub(left_cols + right_cols);
-    let visible = slice_by_display_cols(s, h_scroll, visible_cols);
+    let visible_typed = slice_by_display_cols(typed_text, h_scroll, visible_cols);
+
+    let used_typed_cols = display_width(&visible_typed);
+    let mut remaining_cols = visible_cols.saturating_sub(used_typed_cols);
+    let mut visible_completion = String::new();
+
+    if let Some(comp) = completion {
+        if !comp.is_empty() && remaining_cols > 0 {
+            visible_completion = slice_by_display_cols(comp, 0, remaining_cols);
+            remaining_cols = remaining_cols.saturating_sub(display_width(&visible_completion));
+        }
+    }
 
     let mut spans: Vec<Span> = Vec::with_capacity(3);
     if left_cols == 1 {
         spans.push(Span::raw(indicator.to_string()));
     }
-    spans.push(Span::raw(visible));
+    spans.push(Span::styled(
+        visible_typed,
+        Style::default().fg(theme.fg()),
+    ));
+    if !visible_completion.is_empty() {
+        spans.push(Span::styled(
+            visible_completion,
+            Style::default().fg(theme.suggestion_gray()),
+        ));
+    }
     if show_right {
         spans.push(Span::raw(indicator.to_string()));
     }
@@ -175,7 +191,6 @@ fn active_indicator_viewport(
     (Line::from(spans), h_scroll, left_cols)
 }
 
-/// Default renderer: overflow indicator '$'
 #[cfg(feature = "gui")]
 pub fn render_canvas<T: CanvasTheme, D: DataProvider>(
     f: &mut Frame,
@@ -187,7 +202,6 @@ pub fn render_canvas<T: CanvasTheme, D: DataProvider>(
     render_canvas_with_options(f, area, editor, theme, opts)
 }
 
-/// Wrapped variant: opt into soft wrap instead of overflow indicator
 #[cfg(feature = "gui")]
 pub fn render_canvas_with_options<T: CanvasTheme, D: DataProvider>(
     f: &mut Frame,
@@ -198,10 +212,30 @@ pub fn render_canvas_with_options<T: CanvasTheme, D: DataProvider>(
 ) -> Option<Rect> {
     let highlight_state =
         convert_selection_to_highlight(editor.ui_state().selection_state());
-    render_canvas_with_highlight_and_options(f, area, editor, theme, &highlight_state, opts)
+
+    #[cfg(feature = "suggestions")]
+    let active_completion = if editor.ui_state().is_suggestions_active()
+        && editor.ui_state().suggestions.active_field
+            == Some(editor.ui_state().current_field())
+    {
+        editor.ui_state().suggestions.completion_text.clone()
+    } else {
+        None
+    };
+    #[cfg(not(feature = "suggestions"))]
+    let active_completion: Option<String> = None;
+
+    render_canvas_with_highlight_and_options(
+        f,
+        area,
+        editor,
+        theme,
+        &highlight_state,
+        active_completion,
+        opts,
+    )
 }
 
-/// Render canvas with explicit highlight state (with options)
 #[cfg(feature = "gui")]
 fn render_canvas_with_highlight_and_options<T: CanvasTheme, D: DataProvider>(
     f: &mut Frame,
@@ -209,6 +243,7 @@ fn render_canvas_with_highlight_and_options<T: CanvasTheme, D: DataProvider>(
     editor: &FormEditor<D>,
     theme: &T,
     highlight_state: &HighlightState,
+    active_completion: Option<String>,
     opts: CanvasDisplayOptions,
 ) -> Option<Rect> {
     let ui_state = editor.ui_state();
@@ -233,17 +268,6 @@ fn render_canvas_with_highlight_and_options<T: CanvasTheme, D: DataProvider>(
     let current_field_idx = ui_state.current_field();
     let is_edit_mode = matches!(ui_state.mode(), crate::canvas::modes::AppMode::Edit);
 
-    #[cfg(feature = "suggestions")]
-    let active_completion = if ui_state.is_suggestions_active()
-        && ui_state.suggestions.active_field == Some(current_field_idx)
-    {
-        ui_state.suggestions.completion_text.clone()
-    } else {
-        None
-    };
-    #[cfg(not(feature = "suggestions"))]
-    let active_completion: Option<String> = None;
-
     render_canvas_fields_with_options(
         f,
         area,
@@ -270,13 +294,7 @@ fn render_canvas_with_highlight_and_options<T: CanvasTheme, D: DataProvider>(
         },
         #[cfg(not(feature = "validation"))]
         |_field_idx| false,
-        |field_idx| {
-            if field_idx == current_field_idx {
-                active_completion.clone()
-            } else {
-                None
-            }
-        },
+        active_completion,
         opts,
     )
 }
@@ -302,7 +320,7 @@ fn convert_selection_to_highlight(
 
 /// Core canvas field rendering with options
 #[cfg(feature = "gui")]
-fn render_canvas_fields_with_options<T: CanvasTheme, F1, F2, F3>(
+fn render_canvas_fields_with_options<T: CanvasTheme, F1, F2>(
     f: &mut Frame,
     area: Rect,
     fields: &[&str],
@@ -315,13 +333,12 @@ fn render_canvas_fields_with_options<T: CanvasTheme, F1, F2, F3>(
     has_unsaved_changes: bool,
     get_display_value: F1,
     has_display_override: F2,
-    get_completion: F3,
+    active_completion: Option<String>,
     opts: CanvasDisplayOptions,
 ) -> Option<Rect>
 where
     F1: Fn(usize) -> String,
     F2: Fn(usize) -> bool,
-    F3: Fn(usize) -> Option<String>,
 {
     let columns = Layout::default()
         .direction(Direction::Horizontal)
@@ -353,9 +370,6 @@ where
 
     let input_area = input_container.inner(input_block);
 
-    // NOTE: We keep one visual row per field; Wrap mode renders wrapped content
-    // visually within that row (ratatui handles visual wrapping). To fully
-    // expand rows by wrapped height, we'd convert to per-field dynamic heights.
     let input_rows = Layout::default()
         .direction(Direction::Vertical)
         .constraints(vec![Constraint::Length(1); fields.len()])
@@ -370,69 +384,71 @@ where
         let typed_text = get_display_value(i);
         let inner_width = input_rows[i].width;
 
+        // ---- BEGIN MODIFIED SECTION ----
         let mut h_scroll_for_cursor: u16 = 0;
         let mut left_offset_for_cursor: u16 = 0;
 
-        let line = match (opts.overflow, highlight_state) {
-            (OverflowMode::Indicator(ind), HighlightState::Off) => {
-                if is_active {
-                    let (l, hs, left_cols) = active_indicator_viewport(
-                        &typed_text,
-                        inner_width,
-                        ind,
-                        current_cursor_pos,
-                        RIGHT_PAD,
-                    );
-                    h_scroll_for_cursor = hs;
-                    left_offset_for_cursor = left_cols;
-                    l
-                } else {
-                    if display_width(&typed_text) <= inner_width {
+        let line = match highlight_state {
+            // Selection highlighting active: always use highlighting, even for the active field
+            HighlightState::Characterwise { .. } | HighlightState::Linewise { .. } => {
+                apply_highlighting(
+                    &typed_text,
+                    i,
+                    current_field_idx,
+                    current_cursor_pos,
+                    highlight_state,
+                    theme,
+                    is_active,
+                )
+            }
+
+            // No selection highlighting
+            HighlightState::Off => match opts.overflow {
+                // Indicator mode: special-case the active field to preserve h-scroll + indicators
+                OverflowMode::Indicator(ind) => {
+                    if is_active {
+                        let (l, hs, left_cols) = render_active_line_with_indicator(
+                            &typed_text,
+                            active_completion.as_deref(),
+                            inner_width,
+                            ind,
+                            current_cursor_pos,
+                            theme,
+                        );
+                        h_scroll_for_cursor = hs;
+                        left_offset_for_cursor = left_cols;
+                        l
+                    } else if display_width(&typed_text) <= inner_width {
                         Line::from(Span::raw(typed_text.clone()))
                     } else {
                         clip_with_indicator_line(&typed_text, inner_width, ind)
                     }
                 }
-            }
 
-            // Existing highlighting paths (unchanged)
-            (OverflowMode::Indicator(_ind), HighlightState::Characterwise { .. }) => {
-                apply_highlighting(
-                    &typed_text,
-                    i,
-                    current_field_idx,
-                    current_cursor_pos,
-                    highlight_state,
-                    theme,
-                    is_active,
-                )
-            }
-            (OverflowMode::Indicator(_ind), HighlightState::Linewise { .. }) => {
-                apply_highlighting(
-                    &typed_text,
-                    i,
-                    current_field_idx,
-                    current_cursor_pos,
-                    highlight_state,
-                    theme,
-                    is_active,
-                )
-            }
-
-            // Wrap mode unchanged (Paragraph::wrap will handle it)
-            (OverflowMode::Wrap, HighlightState::Off) => Line::from(Span::raw(typed_text.clone())),
-            (OverflowMode::Wrap, _) => {
-                apply_highlighting(
-                    &typed_text,
-                    i,
-                    current_field_idx,
-                    current_cursor_pos,
-                    highlight_state,
-                    theme,
-                    is_active,
-                )
-            }
-        };
+                // Wrap mode: keep active completion for active line
+                OverflowMode::Wrap => {
+                    if is_active {
+                        let mut spans: Vec<Span> = Vec::new();
+                        spans.push(Span::styled(
+                                typed_text.clone(),
+                                Style::default().fg(theme.fg()),
+                        ));
+                        if let Some(completion) = &active_completion {
+                            if !completion.is_empty() {
+                                spans.push(Span::styled(
+                                        completion.clone(),
+                                        Style::default().fg(theme.suggestion_gray()),
+                                ));
+                            }
+                        }
+                        Line::from(spans)
+                    } else {
+                        Line::from(Span::raw(typed_text.clone()))
+                    }
+                }
+            },
+        };        
+        // ---- END MODIFIED SECTION ----
 
         let mut p = Paragraph::new(line).alignment(Alignment::Left);
 
@@ -675,10 +691,8 @@ fn set_cursor_position_scrolled(
         cols = cols.saturating_add(UnicodeWidthChar::width(ch).unwrap_or(0) as u16);
     }
 
-    // Visible x = (cursor columns - scroll) + left indicator column (if any)
     let mut visible_x = cols.saturating_sub(h_scroll).saturating_add(left_offset);
 
-    // Hard clamp: keep RIGHT_PAD columns free at the right border
     let limit = field_rect.width.saturating_sub(1 + RIGHT_PAD);
     if visible_x > limit {
         visible_x = limit;

canvas/src/textarea/mod.rs

@@ -5,9 +5,6 @@ pub mod state;
 #[cfg(feature = "gui")]
 pub mod widget;
 
-#[cfg(feature = "keymaps")]
-pub mod commands_impl;
-
 pub use provider::TextAreaProvider;
 pub use state::{TextAreaEditor, TextAreaState, TextOverflowMode};
 

canvas/src/textarea/state.rs

@@ -1,7 +1,6 @@
 // src/textarea/state.rs
 use std::ops::{Deref, DerefMut};
 
-use anyhow::Result;
 use crossterm::event::{KeyCode, KeyEvent, KeyEventKind, KeyModifiers};
 
 use crate::editor::FormEditor;
@@ -14,45 +13,6 @@ use ratatui::{layout::Rect, widgets::Block};
 #[cfg(feature = "gui")]
 use unicode_width::UnicodeWidthChar;
 
-#[cfg(feature = "gui")]
-pub(crate) fn wrapped_rows(s: &str, width: u16) -> u16 {
-    if width == 0 {
-        return 1;
-    }
-    let mut rows: u16 = 1;
-    let mut cols: u16 = 0;
-    for ch in s.chars() {
-        let w = UnicodeWidthChar::width(ch).unwrap_or(0) as u16;
-        if cols.saturating_add(w) > width {
-            rows = rows.saturating_add(1);
-            cols = 0;
-        }
-        cols = cols.saturating_add(w);
-    }
-    rows
-}
-
-#[cfg(feature = "gui")]
-pub(crate) fn wrapped_rows_to_cursor(s: &str, width: u16, cursor_chars: usize) -> (u16, u16) {
-    if width == 0 {
-        return (0, 0);
-    }
-    let mut row: u16 = 0;
-    let mut cols: u16 = 0;
-    for (i, ch) in s.chars().enumerate() {
-        if i >= cursor_chars {
-            break;
-        }
-        let w = UnicodeWidthChar::width(ch).unwrap_or(0) as u16;
-        if cols.saturating_add(w) > width {
-            row = row.saturating_add(1);
-            cols = 0;
-        }
-        cols = cols.saturating_add(w);
-    }
-    (row, cols)
-}
-
 #[cfg(feature = "gui")]
 pub(crate) const RIGHT_PAD: u16 = 3;
 

canvas/src/textarea/widget.rs

@@ -6,7 +6,7 @@ use ratatui::{
     style::Style,
     text::{Line, Span},
     widgets::{
-        Block, BorderType, Borders, Paragraph, StatefulWidget, Widget, Wrap,
+        Block, BorderType, Borders, Paragraph, StatefulWidget, Widget,
     },
 };
 
@@ -87,31 +87,6 @@ fn display_cols_up_to(s: &str, char_count: usize) -> u16 {
     cols
 }
 
-#[cfg(feature = "gui")]
-fn clip_with_indicator(s: &str, width: u16, indicator: char) -> Line<'static> {
-    if width == 0 {
-        return Line::from("");
-    }
-
-    if display_width(s) <= width {
-        return Line::from(Span::raw(s.to_string()));
-    }
-
-    let budget = width.saturating_sub(1);
-    let mut out = String::new();
-    let mut used: u16 = 0;
-    for ch in s.chars() {
-        let w = UnicodeWidthChar::width(ch).unwrap_or(0) as u16;
-        if used + w > budget {
-            break;
-        }
-        out.push(ch);
-        used = used.saturating_add(w);
-    }
-
-    Line::from(vec![Span::raw(out), Span::raw(indicator.to_string())])
-}
-
 #[cfg(feature = "gui")]
 fn slice_by_display_cols(s: &str, start_cols: u16, max_cols: u16) -> String {
     if max_cols == 0 {