chore(debug): address comments

Signed-off-by: Filip Dutescu <[email protected]>

book/src/themes.md

@@ -260,8 +260,9 @@ These scopes are used for theming the editor interface.
 | `ui.cursor.primary.normal`  |                                                                                                |
 | `ui.cursor.primary.insert`  |                                                                                                |
 | `ui.cursor.primary.select`  |                                                                                                |
-| `ui.highlight.breakpoint`   | Color of the breakpoint signal, found in the gutter.                                           |
-| `ui.highlight.currentline`  | Color of the current line, at which debugging execution is paused at.                          |
+| `ui.debug.breakpoint`       | Color of the breakpoint signal, found in the gutter.                                           |
+| `ui.debug.current`          | Color of the current line at which debugging execution is paused at.                           |
+| `ui.debug.indicator`        | Gutter indicator for `ui.debug.current`. Falls back on `ui.debug.breakpoint`.                  |
 | `ui.gutter`                 | Gutter                                                                                         |
 | `ui.gutter.selected`        | Gutter for the line the cursor is on                                                           |
 | `ui.linenr`                 | Line numbers                                                                                   |

helix-dap/src/client.rs

@@ -477,4 +477,14 @@ impl Client {
 
         self.call::<requests::SetExceptionBreakpoints>(args)
     }
+
+    pub fn current_stack_frame(&self) -> Option<&StackFrame> {
+        if let (Some(frame), Some(thread_id)) = (self.active_frame, self.thread_id) {
+            self.stack_frames
+                .get(&thread_id)
+                .and_then(|bt| bt.get(frame))
+        } else {
+            None
+        }
+    }
 }

helix-term/src/ui/editor.rs

@@ -91,48 +91,40 @@ impl EditorView {
         let mut line_decorations: Vec<Box<dyn LineDecoration>> = Vec::new();
         let mut translated_positions: Vec<TranslatedPosition> = Vec::new();
 
+        if is_focused && config.cursorline {
+            line_decorations.push(Self::cursorline_decorator(doc, view, theme))
+        }
+
+        if is_focused && config.cursorcolumn {
+            Self::highlight_cursorcolumn(doc, view, surface, theme, inner, &text_annotations);
+        }
+
         // DAP: Highlight current stack frame position
-        let stack_frame = editor.debugger.as_ref().and_then(|debugger| {
-            if let (Some(frame), Some(thread_id)) = (debugger.active_frame, debugger.thread_id) {
-                debugger
-                    .stack_frames
-                    .get(&thread_id)
-                    .and_then(|bt| bt.get(frame))
-            } else {
-                None
-            }
-        });
-        if let Some(frame) = stack_frame {
+        if let Some(frame) = editor.current_stack_frame() {
             if doc.path().is_some()
                 && frame
                     .source
                     .as_ref()
                     .and_then(|source| source.path.as_ref())
                     == doc.path()
             {
-                let line = frame.line;
-                let style = theme.get("ui.highlight.currentline");
+                let line = frame.line - 1; // convert to 0-indexing
+                let style = theme.get("ui.debug.current");
                 let line_decoration = move |renderer: &mut TextRenderer, pos: LinePos| {
                     if pos.doc_line != line {
                         return;
                     }
-                    renderer
-                        .surface
-                        .set_style(Rect::new(inner.x, pos.visual_line, inner.width, 1), style);
+
+                    renderer.surface.set_style(
+                        Rect::new(inner.x, inner.y + pos.visual_line, inner.width, 1),
+                        style,
+                    );
                 };
 
                 line_decorations.push(Box::new(line_decoration));
             }
         }
 
-        if stack_frame.is_none() && is_focused && config.cursorline {
-            line_decorations.push(Self::cursorline_decorator(doc, view, theme))
-        }
-
-        if stack_frame.is_none() && is_focused && config.cursorcolumn {
-            Self::highlight_cursorcolumn(doc, view, surface, theme, inner, &text_annotations);
-        }
-
         let mut highlights =
             Self::doc_syntax_highlights(doc, view.offset.anchor, inner.height, theme);
         let overlay_highlights = Self::overlay_syntax_highlights(

helix-view/src/editor.rs

@@ -10,6 +10,7 @@ use crate::{
     view::ViewPosition,
     Align, Document, DocumentId, View, ViewId,
 };
+use dap::StackFrame;
 use helix_vcs::DiffProviderRegistry;
 
 use futures_util::stream::select_all::SelectAll;
@@ -1650,6 +1651,17 @@ impl Editor {
             doc.restore_cursor = false;
         }
     }
+
+    pub fn current_stack_frame(&self) -> Option<&StackFrame> {
+        let debugger = match self.debugger.as_ref() {
+            Some(debugger) => debugger,
+            None => {
+                return None;
+            }
+        };
+
+        debugger.current_stack_frame()
+    }
 }
 
 fn try_restore_indent(doc: &mut Document, view: &mut View) {

helix-view/src/gutter.rs

@@ -2,7 +2,7 @@ use std::fmt::Write;
 
 use crate::{
     editor::GutterType,
-    graphics::{Color, Style, UnderlineStyle},
+    graphics::{Style, UnderlineStyle},
     Document, Editor, Theme, View,
 };
 
@@ -247,7 +247,7 @@ pub fn breakpoints<'doc>(
 ) -> GutterFn<'doc> {
     let error = theme.get("error");
     let info = theme.get("info");
-    let breakpoint_style = theme.get("ui.highlight.breakpoint");
+    let breakpoint_style = theme.get("ui.debug.breakpoint");
 
     let breakpoints = doc.path().and_then(|path| editor.breakpoints.get(path));
 
@@ -265,7 +265,7 @@ pub fn breakpoints<'doc>(
                 .iter()
                 .find(|breakpoint| breakpoint.line == line)?;
 
-            let mut style = if breakpoint.condition.is_some() && breakpoint.log_message.is_some() {
+            let style = if breakpoint.condition.is_some() && breakpoint.log_message.is_some() {
                 error.underline_style(UnderlineStyle::Line)
             } else if breakpoint.condition.is_some() {
                 error
@@ -275,20 +275,48 @@ pub fn breakpoints<'doc>(
                 breakpoint_style
             };
 
-            if !breakpoint.verified {
-                // Faded colors
-                style = if let Some(Color::Rgb(r, g, b)) = breakpoint_style.fg {
-                    style.fg(Color::Rgb(
-                        ((r as f32) * 0.7).floor() as u8,
-                        ((g as f32) * 0.7).floor() as u8,
-                        ((b as f32) * 0.7).floor() as u8,
-                    ))
-                } else {
-                    style.fg(Color::Gray)
+            let sym = if breakpoint.verified { "●" } else { "◯" };
+            write!(out, "{}", sym).unwrap();
+            Some(style)
+        },
+    )
+}
+
+fn execution_pause_indicator<'doc>(
+    editor: &'doc Editor,
+    doc: &'doc Document,
+    theme: &Theme,
+    is_focused: bool,
+) -> GutterFn<'doc> {
+    let mut style = theme.get("ui.debug.indicator");
+    if style == Style::default() {
+        style = theme.get("ui.debug.breakpoint");
+    }
+
+    Box::new(
+        move |line: usize, _selected: bool, first_visual_line: bool, out: &mut String| {
+            if !first_visual_line || !is_focused {
+                return None;
+            }
+
+            let current_stack_frame = match editor.current_stack_frame() {
+                Some(frame) => frame,
+                None => {
+                    return None;
                 }
             };
+            if line != current_stack_frame.line - 1
+                || doc.path().is_none()
+                || current_stack_frame
+                    .source
+                    .as_ref()
+                    .and_then(|source| source.path.as_ref())
+                    != doc.path()
+            {
+                return None;
+            }
 
-            let sym = "●";
+            let sym = "▶";
             write!(out, "{}", sym).unwrap();
             Some(style)
         },
@@ -304,9 +332,11 @@ pub fn diagnostics_or_breakpoints<'doc>(
 ) -> GutterFn<'doc> {
     let mut diagnostics = diagnostic(editor, doc, view, theme, is_focused);
     let mut breakpoints = breakpoints(editor, doc, view, theme, is_focused);
+    let mut execution_pause_indicator = execution_pause_indicator(editor, doc, theme, is_focused);
 
     Box::new(move |line, selected, first_visual_line: bool, out| {
-        breakpoints(line, selected, first_visual_line, out)
+        execution_pause_indicator(line, selected, first_visual_line, out)
+            .or_else(|| breakpoints(line, selected, first_visual_line, out))
             .or_else(|| diagnostics(line, selected, first_visual_line, out))
     })
 }

runtime/themes/dracula.toml

@@ -25,8 +25,8 @@
 "ui.cursor.primary" = { fg = "background", bg = "cyan", modifiers = ["dim"] }
 "ui.cursorline.primary" = { bg = "background_dark" }
 "ui.help" = { fg = "foreground", bg = "background_dark" }
-"ui.highlight.breakpoint" = { fg = "red" }
-"ui.highlight.currentline" = { fg = "black", bg = "red", modifiers = ["bold"] }
+"ui.debug.breakpoint" = { fg = "red" }
+"ui.debug.current" = { fg = "black", bg = "red" }
 "ui.linenr" = { fg = "comment" }
 "ui.linenr.selected" = { fg = "foreground" }
 "ui.menu" = { fg = "foreground", bg = "background_dark" }

runtime/themes/dracula_at_night.toml

@@ -25,8 +25,8 @@
 "ui.cursor.match" = { fg = "green", modifiers = ["underlined"] }
 "ui.cursor.primary" = { fg = "background", bg = "cyan", modifiers = ["dim"] }
 "ui.help" = { fg = "foreground", bg = "background_dark" }
-"ui.highlight.breakpoint" = { fg = "red" }
-"ui.highlight.currentline" = { fg = "black", bg = "red", modifiers = ["bold"] }
+"ui.debug.breakpoint" = { fg = "red" }
+"ui.debug.current" = { fg = "black", bg = "red" }
 "ui.linenr" = { fg = "comment" }
 "ui.linenr.selected" = { fg = "foreground" }
 "ui.menu" = { fg = "foreground", bg = "background_dark" }

runtime/themes/onedark.toml

@@ -78,8 +78,8 @@
 "ui.text.focus" = { fg = "white", bg = "light-black", modifiers = ["bold"] }
 
 "ui.help" = { fg = "white", bg = "gray" }
-"ui.highlight.breakpoint" = { fg = "red" }
-"ui.highlight.currentline" = { fg = "black", bg = "red", modifiers = ["bold"] }
+"ui.debug.breakpoint" = { fg = "red" }
+"ui.debug.current" = { fg = "black", bg = "red" }
 "ui.popup" = { bg = "gray" }
 "ui.window" = { fg = "gray" }
 "ui.menu" = { fg = "white", bg = "gray" }

runtime/themes/onedarker.toml

@@ -78,8 +78,8 @@
 "ui.text.focus" = { fg = "white", bg = "light-black", modifiers = ["bold"] }
 
 "ui.help" = { fg = "white", bg = "gray" }
-"ui.highlight.breakpoint" = { fg = "red" }
-"ui.highlight.currentline" = { fg = "black", bg = "red", modifiers = ["bold"] }
+"ui.debug.breakpoint" = { fg = "red" }
+"ui.debug.current" = { fg = "black", bg = "red" }
 "ui.popup" = { bg = "gray" }
 "ui.window" = { fg = "gray" }
 "ui.menu" = { fg = "white", bg = "gray" }

theme.toml

@@ -68,9 +68,9 @@ label = "honey"
 "ui.cursor.match" = { fg = "#212121", bg = "#6C6999" }
 "ui.cursor" = { modifiers = ["reversed"] }
 "ui.cursorline.primary" = { bg = "bossanova" }
-"ui.highlight" = { bg = "bossanova" }
-"ui.highlight.breakpoint" = { fg = "apricot" }
-"ui.highlight.currentline" = { fg = "bossanova", bg = "apricot", modifiers = ["bold"] }
+"ui.debug.breakpoint" = { fg = "apricot" }
+"ui.debug.current" = { fg = "bossanova", bg = "lilac" }
+"ui.debug.indicator" = { fg = "lilac" }
 
 "ui.menu" = { fg = "lavender", bg = "revolver" }
 "ui.menu.selected" = { fg = "revolver", bg = "white" }