zero block highlighting fixed, clippy, misc.

3 files changed, 27 insertions, 25 deletions

diff --git a/src/config.rs b/src/config.rs
index def35527..9404c5e4 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -262,13 +262,7 @@ impl From<cli::Opt> for Config {
                 // TODO, support multi-character symbols, and thus store
                 // right_align_symbol_len here?
                 use_wrap_right_permille: {
-                    let percent = if opt.side_by_side_wrap_right_percent < 0.0 {
-                        0.0
-                    } else if opt.side_by_side_wrap_right_percent > 100.0 {
-                        100.0
-                    } else {
-                        opt.side_by_side_wrap_right_percent
-                    };
+                    let percent = opt.side_by_side_wrap_right_percent.clamp(0.0, 100.0);
                     (percent * 10.0).round() as usize
                 },
                 max_lines: opt.side_by_side_wrap_max_lines,
diff --git a/src/features/side_by_side_wrap.rs b/src/features/side_by_side_wrap.rs
index bce9cfc9..20891e8d 100644
--- a/src/features/side_by_side_wrap.rs
+++ b/src/features/side_by_side_wrap.rs
@@ -16,6 +16,8 @@ pub struct WrapConfig {
     pub wrap_symbol: String,
     pub wrap_right_symbol: String,
     pub right_align_symbol: String,
+    // In fractions of 1000 so that a >100 wide panel can
+    // still be configured down to a single character.
     pub use_wrap_right_permille: usize,
     pub max_lines: usize,
 }
@@ -194,9 +196,9 @@ where
         if result.is_empty() {
             result.push(Vec::new());
         }
-        result
-            .last_mut()
-            .map(|vec| vec.extend(stack.into_iter().rev()));
+
+        // unwrap: previous `if` ensures result can not be empty
+        result.last_mut().unwrap().extend(stack.into_iter().rev());
     }
 
     result
@@ -461,7 +463,11 @@ pub fn wrap_zero_block<'c: 'a, 'a>(
             &config,
             diff_style_sections.into_iter().flatten(),
             line_width,
-            &config.null_style,
+            // To actually highlight `config.inline_hint_color` characters:
+            &Style {
+                is_syntax_highlighted: true,
+                ..config.null_style
+            },
             &None,
         );
 
diff --git a/src/paint.rs b/src/paint.rs
index 68fc389a..191160bd 100644
--- a/src/paint.rs
+++ b/src/paint.rs
@@ -164,13 +164,6 @@ impl<'a> Painter<'a> {
             Self::get_diff_style_sections(&self.minus_lines, &self.plus_lines, self.config);
 
         if self.config.side_by_side {
-            let avail_width = available_line_width(&self.config, &self.line_numbers_data);
-
-            let right_panel_too_long = self
-                .plus_lines
-                .iter()
-                .any(|(line, _)| side_by_side::line_is_too_long(&line, avail_width.right));
-
             let syntax_left_right = LeftRight::new(
                 minus_line_syntax_style_sections,
                 plus_line_syntax_style_sections,
@@ -199,13 +192,22 @@ impl<'a> Painter<'a> {
                 // the truncation symbol. And to be consistent, use spaces for the entire
                 // block.
 
-                // TODO, see prev. patch
-                if right_panel_too_long {
-                    // BgFillWidth::CfgDefault(BgFillMethod::Spaces)
-                    BgFillWidth::CfgDefault(BgFillMethod::TryAnsiSequence)
-                } else {
-                    BgFillWidth::CfgDefault(BgFillMethod::TryAnsiSequence)
-                },
+                // TODO, see "background extending" patch
+                /*
+
+                let avail_width = available_line_width(&self.config, &self.line_numbers_data);
+                let right_panel_too_long = self
+                    .plus_lines
+                    .iter()
+                    .any(|(line, _)| side_by_side::line_is_too_long(&line, avail_width.right));
+
+                        if right_panel_too_long {
+                        // BgFillWidth::CfgDefault(BgFillMethod::Spaces)
+                        BgFillWidth::CfgDefault(BgFillMethod::TryAnsiSequence)
+                    } else {
+                        BgFillWidth::CfgDefault(BgFillMethod::TryAnsiSequence)
+                    }, */
+                BgFillWidth::CfgDefault(BgFillMethod::TryAnsiSequence),
             );
 
             // Only set `should_wrap` to true if wrapping is wanted and lines which are